45 files changed, 12512 insertions, 0 deletions

diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/metrics/.gitignore b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/metrics/.gitignore
new file mode 100644
index 00000000..3e7cd5e2
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/metrics/.gitignore
@@ -0,0 +1,2 @@
+/.CoverageMetric.java._trace
+/.SatelliteMetrics.java._trace
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/metrics/internal/.gitignore b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/metrics/internal/.gitignore
new file mode 100644
index 00000000..d3195cfc
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/metrics/internal/.gitignore
@@ -0,0 +1,2 @@
+/.MissionCoverage.java._trace
+/.SatelliteMetricsAll.java._trace
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/.gitignore b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/.gitignore
new file mode 100644
index 00000000..5f0d5b4b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/.gitignore
@@ -0,0 +1,22 @@
+/.SatelliteQueries.java._trace
+/.NoLinkToGroundStation.java._trace
+/.CommunicationLoop.java._trace
+/.SingleInterferometryPayload.java._trace
+/.NoInterferometryPayload.java._trace
+/.NotENoughInterferometryPayloads.java._trace
+/.NotEnoughInterferometryPayloads.java._trace
+/.UhfAntennaGainNotLow.java._trace
+/.XAntennaGainNotMedium.java._trace
+/.KaAntennaGainLow.java._trace
+/.IncompatibleSourceAndTarget.java._trace
+/.IncompatibleSourceAndTargetBand.java._trace
+/.IncompatibleSourceAndTargetGain.java._trace
+/.CubeSatWithKaAntenna.java._trace
+/.ThreeUCubeSatWithNonUhfCrossLink.java._trace
+/.CommunicationLinkDoesNotStartAtContainingElement.java._trace
+/.SpacecraftWithInterferometryPayload.java._trace
+/.SatelliteMetrics.java._trace
+/.CoverageMetric.java._trace
+/.TimeMetric.java._trace
+/.CostMetric.java._trace
+/.SpacecraftCost.java._trace
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CommunicationLinkDoesNotStartAtContainingElement.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CommunicationLinkDoesNotStartAtContainingElement.java
new file mode 100644
index 00000000..dde3c20f
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CommunicationLinkDoesNotStartAtContainingElement.java
@@ -0,0 +1,579 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         {@literal @}Constraint(severity = "error", key = {Link},
+ *              message = "Communication links must start from the containing element.")
+ *         pattern communicationLinkDoesNotStartAtContainingElement(Link : DirectedCommunicationLink) {
+ *              CommunicatingElement.communicationLink(Element, Link);
+ *              DirectedCommunicationLink.source(Link, SourceComm);
+ *              CommunicatingElement.commSubsystem(SourceElement, SourceComm);
+ *              Element != SourceElement;
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommunicationLinkDoesNotStartAtContainingElement extends BaseGeneratedEMFQuerySpecification<CommunicationLinkDoesNotStartAtContainingElement.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLinkDoesNotStartAtContainingElement pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private DirectedCommunicationLink fLink;
+    
+    private static List<String> parameterNames = makeImmutableList("Link");
+    
+    private Match(final DirectedCommunicationLink pLink) {
+      this.fLink = pLink;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Link".equals(parameterName)) return this.fLink;
+      return null;
+    }
+    
+    public DirectedCommunicationLink getLink() {
+      return this.fLink;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Link".equals(parameterName) ) {
+          this.fLink = (DirectedCommunicationLink) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setLink(final DirectedCommunicationLink pLink) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fLink = pLink;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLinkDoesNotStartAtContainingElement";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return CommunicationLinkDoesNotStartAtContainingElement.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fLink};
+    }
+    
+    @Override
+    public CommunicationLinkDoesNotStartAtContainingElement.Match toImmutable() {
+      return isMutable() ? newMatch(fLink) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Link\"=" + prettyPrintValue(fLink));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fLink);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof CommunicationLinkDoesNotStartAtContainingElement.Match)) {
+          CommunicationLinkDoesNotStartAtContainingElement.Match other = (CommunicationLinkDoesNotStartAtContainingElement.Match) obj;
+          return Objects.equals(fLink, other.fLink);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public CommunicationLinkDoesNotStartAtContainingElement specification() {
+      return CommunicationLinkDoesNotStartAtContainingElement.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static CommunicationLinkDoesNotStartAtContainingElement.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static CommunicationLinkDoesNotStartAtContainingElement.Match newMutableMatch(final DirectedCommunicationLink pLink) {
+      return new Mutable(pLink);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static CommunicationLinkDoesNotStartAtContainingElement.Match newMatch(final DirectedCommunicationLink pLink) {
+      return new Immutable(pLink);
+    }
+    
+    private static final class Mutable extends CommunicationLinkDoesNotStartAtContainingElement.Match {
+      Mutable(final DirectedCommunicationLink pLink) {
+        super(pLink);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends CommunicationLinkDoesNotStartAtContainingElement.Match {
+      Immutable(final DirectedCommunicationLink pLink) {
+        super(pLink);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLinkDoesNotStartAtContainingElement pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * {@literal @}Constraint(severity = "error", key = {Link},
+   *    message = "Communication links must start from the containing element.")
+   * pattern communicationLinkDoesNotStartAtContainingElement(Link : DirectedCommunicationLink) {
+   *    CommunicatingElement.communicationLink(Element, Link);
+   *    DirectedCommunicationLink.source(Link, SourceComm);
+   *    CommunicatingElement.commSubsystem(SourceElement, SourceComm);
+   *    Element != SourceElement;
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see CommunicationLinkDoesNotStartAtContainingElement
+   * 
+   */
+  public static class Matcher extends BaseMatcher<CommunicationLinkDoesNotStartAtContainingElement.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static CommunicationLinkDoesNotStartAtContainingElement.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static CommunicationLinkDoesNotStartAtContainingElement.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_LINK = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(CommunicationLinkDoesNotStartAtContainingElement.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<CommunicationLinkDoesNotStartAtContainingElement.Match> getAllMatches(final DirectedCommunicationLink pLink) {
+      return rawStreamAllMatches(new Object[]{pLink}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<CommunicationLinkDoesNotStartAtContainingElement.Match> streamAllMatches(final DirectedCommunicationLink pLink) {
+      return rawStreamAllMatches(new Object[]{pLink});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<CommunicationLinkDoesNotStartAtContainingElement.Match> getOneArbitraryMatch(final DirectedCommunicationLink pLink) {
+      return rawGetOneArbitraryMatch(new Object[]{pLink});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final DirectedCommunicationLink pLink) {
+      return rawHasMatch(new Object[]{pLink});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final DirectedCommunicationLink pLink) {
+      return rawCountMatches(new Object[]{pLink});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final DirectedCommunicationLink pLink, final Consumer<? super CommunicationLinkDoesNotStartAtContainingElement.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pLink}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public CommunicationLinkDoesNotStartAtContainingElement.Match newMatch(final DirectedCommunicationLink pLink) {
+      return CommunicationLinkDoesNotStartAtContainingElement.Match.newMatch(pLink);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<DirectedCommunicationLink> rawStreamAllValuesOfLink(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_LINK, parameters).map(DirectedCommunicationLink.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<DirectedCommunicationLink> getAllValuesOfLink() {
+      return rawStreamAllValuesOfLink(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<DirectedCommunicationLink> streamAllValuesOfLink() {
+      return rawStreamAllValuesOfLink(emptyArray());
+    }
+    
+    @Override
+    protected CommunicationLinkDoesNotStartAtContainingElement.Match tupleToMatch(final Tuple t) {
+      try {
+          return CommunicationLinkDoesNotStartAtContainingElement.Match.newMatch((DirectedCommunicationLink) t.get(POSITION_LINK));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CommunicationLinkDoesNotStartAtContainingElement.Match arrayToMatch(final Object[] match) {
+      try {
+          return CommunicationLinkDoesNotStartAtContainingElement.Match.newMatch((DirectedCommunicationLink) match[POSITION_LINK]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CommunicationLinkDoesNotStartAtContainingElement.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return CommunicationLinkDoesNotStartAtContainingElement.Match.newMutableMatch((DirectedCommunicationLink) match[POSITION_LINK]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<CommunicationLinkDoesNotStartAtContainingElement.Matcher> querySpecification() {
+      return CommunicationLinkDoesNotStartAtContainingElement.instance();
+    }
+  }
+  
+  private CommunicationLinkDoesNotStartAtContainingElement() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommunicationLinkDoesNotStartAtContainingElement instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected CommunicationLinkDoesNotStartAtContainingElement.Matcher instantiate(final ViatraQueryEngine engine) {
+    return CommunicationLinkDoesNotStartAtContainingElement.Matcher.on(engine);
+  }
+  
+  @Override
+  public CommunicationLinkDoesNotStartAtContainingElement.Matcher instantiate() {
+    return CommunicationLinkDoesNotStartAtContainingElement.Matcher.create();
+  }
+  
+  @Override
+  public CommunicationLinkDoesNotStartAtContainingElement.Match newEmptyMatch() {
+    return CommunicationLinkDoesNotStartAtContainingElement.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public CommunicationLinkDoesNotStartAtContainingElement.Match newMatch(final Object... parameters) {
+    return CommunicationLinkDoesNotStartAtContainingElement.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLinkDoesNotStartAtContainingElement (visibility: PUBLIC, simpleName: CommunicationLinkDoesNotStartAtContainingElement, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLinkDoesNotStartAtContainingElement, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLinkDoesNotStartAtContainingElement (visibility: PUBLIC, simpleName: CommunicationLinkDoesNotStartAtContainingElement, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLinkDoesNotStartAtContainingElement, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommunicationLinkDoesNotStartAtContainingElement INSTANCE = new CommunicationLinkDoesNotStartAtContainingElement();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommunicationLinkDoesNotStartAtContainingElement.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Link = new PParameter("Link", "hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "DirectedCommunicationLink")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Link);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLinkDoesNotStartAtContainingElement";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Link");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Link = body.getOrCreateVariableByName("Link");
+          PVariable var_Element = body.getOrCreateVariableByName("Element");
+          PVariable var_SourceComm = body.getOrCreateVariableByName("SourceComm");
+          PVariable var_SourceElement = body.getOrCreateVariableByName("SourceElement");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Link, parameter_Link)
+          ));
+          //    CommunicatingElement.communicationLink(Element, Link)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Element), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Element, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "communicationLink")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          new Equality(body, var__virtual_0_, var_Link);
+          //    DirectedCommunicationLink.source(Link, SourceComm)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "source")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_1_, var_SourceComm);
+          //    CommunicatingElement.commSubsystem(SourceElement, SourceComm)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_SourceElement), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_SourceElement, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_2_, var_SourceComm);
+          //    Element != SourceElement
+          new Inequality(body, var_Element, var_SourceElement);
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Link")
+                              }));
+          annotation.addAttribute("message", "Communication links must start from the containing element.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CommunicationLoop.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CommunicationLoop.java
new file mode 100644
index 00000000..f5835baf
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CommunicationLoop.java
@@ -0,0 +1,557 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // No communication loops may exist
+ *         // No spacecraft may directly communicate with itself
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Element},
+ *              message = "Communication loop.")
+ *         pattern communicationLoop(Element : CommunicatingElement) {
+ *              find indirectCommunicationLink(Element, Element);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommunicationLoop extends BaseGeneratedEMFQuerySpecification<CommunicationLoop.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLoop pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private CommunicatingElement fElement;
+    
+    private static List<String> parameterNames = makeImmutableList("Element");
+    
+    private Match(final CommunicatingElement pElement) {
+      this.fElement = pElement;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Element".equals(parameterName)) return this.fElement;
+      return null;
+    }
+    
+    public CommunicatingElement getElement() {
+      return this.fElement;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Element".equals(parameterName) ) {
+          this.fElement = (CommunicatingElement) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setElement(final CommunicatingElement pElement) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fElement = pElement;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLoop";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return CommunicationLoop.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fElement};
+    }
+    
+    @Override
+    public CommunicationLoop.Match toImmutable() {
+      return isMutable() ? newMatch(fElement) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Element\"=" + prettyPrintValue(fElement));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fElement);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof CommunicationLoop.Match)) {
+          CommunicationLoop.Match other = (CommunicationLoop.Match) obj;
+          return Objects.equals(fElement, other.fElement);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public CommunicationLoop specification() {
+      return CommunicationLoop.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static CommunicationLoop.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static CommunicationLoop.Match newMutableMatch(final CommunicatingElement pElement) {
+      return new Mutable(pElement);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static CommunicationLoop.Match newMatch(final CommunicatingElement pElement) {
+      return new Immutable(pElement);
+    }
+    
+    private static final class Mutable extends CommunicationLoop.Match {
+      Mutable(final CommunicatingElement pElement) {
+        super(pElement);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends CommunicationLoop.Match {
+      Immutable(final CommunicatingElement pElement) {
+        super(pElement);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLoop pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // No communication loops may exist
+   * // No spacecraft may directly communicate with itself
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Element},
+   *    message = "Communication loop.")
+   * pattern communicationLoop(Element : CommunicatingElement) {
+   *    find indirectCommunicationLink(Element, Element);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see CommunicationLoop
+   * 
+   */
+  public static class Matcher extends BaseMatcher<CommunicationLoop.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static CommunicationLoop.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static CommunicationLoop.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_ELEMENT = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(CommunicationLoop.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<CommunicationLoop.Match> getAllMatches(final CommunicatingElement pElement) {
+      return rawStreamAllMatches(new Object[]{pElement}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<CommunicationLoop.Match> streamAllMatches(final CommunicatingElement pElement) {
+      return rawStreamAllMatches(new Object[]{pElement});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<CommunicationLoop.Match> getOneArbitraryMatch(final CommunicatingElement pElement) {
+      return rawGetOneArbitraryMatch(new Object[]{pElement});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final CommunicatingElement pElement) {
+      return rawHasMatch(new Object[]{pElement});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final CommunicatingElement pElement) {
+      return rawCountMatches(new Object[]{pElement});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final CommunicatingElement pElement, final Consumer<? super CommunicationLoop.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pElement}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pElement the fixed value of pattern parameter Element, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public CommunicationLoop.Match newMatch(final CommunicatingElement pElement) {
+      return CommunicationLoop.Match.newMatch(pElement);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Element.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<CommunicatingElement> rawStreamAllValuesOfElement(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_ELEMENT, parameters).map(CommunicatingElement.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Element.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<CommunicatingElement> getAllValuesOfElement() {
+      return rawStreamAllValuesOfElement(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Element.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<CommunicatingElement> streamAllValuesOfElement() {
+      return rawStreamAllValuesOfElement(emptyArray());
+    }
+    
+    @Override
+    protected CommunicationLoop.Match tupleToMatch(final Tuple t) {
+      try {
+          return CommunicationLoop.Match.newMatch((CommunicatingElement) t.get(POSITION_ELEMENT));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CommunicationLoop.Match arrayToMatch(final Object[] match) {
+      try {
+          return CommunicationLoop.Match.newMatch((CommunicatingElement) match[POSITION_ELEMENT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CommunicationLoop.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return CommunicationLoop.Match.newMutableMatch((CommunicatingElement) match[POSITION_ELEMENT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<CommunicationLoop.Matcher> querySpecification() {
+      return CommunicationLoop.instance();
+    }
+  }
+  
+  private CommunicationLoop() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommunicationLoop instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected CommunicationLoop.Matcher instantiate(final ViatraQueryEngine engine) {
+    return CommunicationLoop.Matcher.on(engine);
+  }
+  
+  @Override
+  public CommunicationLoop.Matcher instantiate() {
+    return CommunicationLoop.Matcher.create();
+  }
+  
+  @Override
+  public CommunicationLoop.Match newEmptyMatch() {
+    return CommunicationLoop.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public CommunicationLoop.Match newMatch(final Object... parameters) {
+    return CommunicationLoop.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLoop (visibility: PUBLIC, simpleName: CommunicationLoop, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLoop, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLoop (visibility: PUBLIC, simpleName: CommunicationLoop, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLoop, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommunicationLoop INSTANCE = new CommunicationLoop();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommunicationLoop.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Element = new PParameter("Element", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommunicatingElement")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Element);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.communicationLoop";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Element");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Element = body.getOrCreateVariableByName("Element");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Element), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Element, parameter_Element)
+          ));
+          //    find indirectCommunicationLink(Element, Element)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Element, var_Element), IndirectCommunicationLink.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Element")
+                              }));
+          annotation.addAttribute("message", "Communication loop.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CostMetric.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CostMetric.java
new file mode 100644
index 00000000..474719b2
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CostMetric.java
@@ -0,0 +1,544 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCost;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // Cost
+ *         
+ *         pattern costMetric(Cost : java Double) {
+ *              Cost == sum find missionCost(_, #_);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class CostMetric extends BaseGeneratedEMFQuerySpecification<CostMetric.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.costMetric pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private Double fCost;
+    
+    private static List<String> parameterNames = makeImmutableList("Cost");
+    
+    private Match(final Double pCost) {
+      this.fCost = pCost;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Cost".equals(parameterName)) return this.fCost;
+      return null;
+    }
+    
+    public Double getCost() {
+      return this.fCost;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Cost".equals(parameterName) ) {
+          this.fCost = (Double) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setCost(final Double pCost) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fCost = pCost;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.costMetric";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return CostMetric.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fCost};
+    }
+    
+    @Override
+    public CostMetric.Match toImmutable() {
+      return isMutable() ? newMatch(fCost) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Cost\"=" + prettyPrintValue(fCost));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fCost);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof CostMetric.Match)) {
+          CostMetric.Match other = (CostMetric.Match) obj;
+          return Objects.equals(fCost, other.fCost);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public CostMetric specification() {
+      return CostMetric.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static CostMetric.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static CostMetric.Match newMutableMatch(final Double pCost) {
+      return new Mutable(pCost);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static CostMetric.Match newMatch(final Double pCost) {
+      return new Immutable(pCost);
+    }
+    
+    private static final class Mutable extends CostMetric.Match {
+      Mutable(final Double pCost) {
+        super(pCost);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends CostMetric.Match {
+      Immutable(final Double pCost) {
+        super(pCost);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.costMetric pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // Cost
+   * 
+   * pattern costMetric(Cost : java Double) {
+   *    Cost == sum find missionCost(_, #_);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see CostMetric
+   * 
+   */
+  public static class Matcher extends BaseMatcher<CostMetric.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static CostMetric.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static CostMetric.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_COST = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(CostMetric.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<CostMetric.Match> getAllMatches(final Double pCost) {
+      return rawStreamAllMatches(new Object[]{pCost}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<CostMetric.Match> streamAllMatches(final Double pCost) {
+      return rawStreamAllMatches(new Object[]{pCost});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<CostMetric.Match> getOneArbitraryMatch(final Double pCost) {
+      return rawGetOneArbitraryMatch(new Object[]{pCost});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final Double pCost) {
+      return rawHasMatch(new Object[]{pCost});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final Double pCost) {
+      return rawCountMatches(new Object[]{pCost});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final Double pCost, final Consumer<? super CostMetric.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pCost}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pCost the fixed value of pattern parameter Cost, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public CostMetric.Match newMatch(final Double pCost) {
+      return CostMetric.Match.newMatch(pCost);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Cost.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<Double> rawStreamAllValuesOfCost(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_COST, parameters).map(Double.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Cost.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<Double> getAllValuesOfCost() {
+      return rawStreamAllValuesOfCost(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Cost.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<Double> streamAllValuesOfCost() {
+      return rawStreamAllValuesOfCost(emptyArray());
+    }
+    
+    @Override
+    protected CostMetric.Match tupleToMatch(final Tuple t) {
+      try {
+          return CostMetric.Match.newMatch((Double) t.get(POSITION_COST));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CostMetric.Match arrayToMatch(final Object[] match) {
+      try {
+          return CostMetric.Match.newMatch((Double) match[POSITION_COST]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CostMetric.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return CostMetric.Match.newMutableMatch((Double) match[POSITION_COST]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<CostMetric.Matcher> querySpecification() {
+      return CostMetric.instance();
+    }
+  }
+  
+  private CostMetric() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CostMetric instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected CostMetric.Matcher instantiate(final ViatraQueryEngine engine) {
+    return CostMetric.Matcher.on(engine);
+  }
+  
+  @Override
+  public CostMetric.Matcher instantiate() {
+    return CostMetric.Matcher.create();
+  }
+  
+  @Override
+  public CostMetric.Match newEmptyMatch() {
+    return CostMetric.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public CostMetric.Match newMatch(final Object... parameters) {
+    return CostMetric.Match.newMatch((java.lang.Double) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CostMetric (visibility: PUBLIC, simpleName: CostMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CostMetric, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CostMetric (visibility: PUBLIC, simpleName: CostMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CostMetric, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CostMetric INSTANCE = new CostMetric();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CostMetric.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Cost = new PParameter("Cost", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Cost);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.costMetric";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Cost");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    Cost == sum find missionCost(_, #_)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new AggregatorConstraint(new sum().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var___0_, var___1_), MissionCost.instance().getInternalQueryRepresentation(), var__virtual_0_, 1);
+          new Equality(body, var_Cost, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CoverageMetric.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CoverageMetric.java
new file mode 100644
index 00000000..23b02ce4
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CoverageMetric.java
@@ -0,0 +1,552 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCoverage;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         //
+ *         // Metrics
+ *         //
+ *         
+ *         // Coverage
+ *         
+ *         pattern coverageMetric(Coverage : java Double) {
+ *              Coverage == sum find missionCoverage(_, #_);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class CoverageMetric extends BaseGeneratedEMFQuerySpecification<CoverageMetric.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.coverageMetric pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private Double fCoverage;
+    
+    private static List<String> parameterNames = makeImmutableList("Coverage");
+    
+    private Match(final Double pCoverage) {
+      this.fCoverage = pCoverage;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Coverage".equals(parameterName)) return this.fCoverage;
+      return null;
+    }
+    
+    public Double getCoverage() {
+      return this.fCoverage;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Coverage".equals(parameterName) ) {
+          this.fCoverage = (Double) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setCoverage(final Double pCoverage) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fCoverage = pCoverage;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.coverageMetric";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return CoverageMetric.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fCoverage};
+    }
+    
+    @Override
+    public CoverageMetric.Match toImmutable() {
+      return isMutable() ? newMatch(fCoverage) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Coverage\"=" + prettyPrintValue(fCoverage));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fCoverage);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof CoverageMetric.Match)) {
+          CoverageMetric.Match other = (CoverageMetric.Match) obj;
+          return Objects.equals(fCoverage, other.fCoverage);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public CoverageMetric specification() {
+      return CoverageMetric.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static CoverageMetric.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static CoverageMetric.Match newMutableMatch(final Double pCoverage) {
+      return new Mutable(pCoverage);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static CoverageMetric.Match newMatch(final Double pCoverage) {
+      return new Immutable(pCoverage);
+    }
+    
+    private static final class Mutable extends CoverageMetric.Match {
+      Mutable(final Double pCoverage) {
+        super(pCoverage);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends CoverageMetric.Match {
+      Immutable(final Double pCoverage) {
+        super(pCoverage);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.coverageMetric pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * //
+   * // Metrics
+   * //
+   * 
+   * // Coverage
+   * 
+   * pattern coverageMetric(Coverage : java Double) {
+   *    Coverage == sum find missionCoverage(_, #_);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see CoverageMetric
+   * 
+   */
+  public static class Matcher extends BaseMatcher<CoverageMetric.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static CoverageMetric.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static CoverageMetric.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_COVERAGE = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(CoverageMetric.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<CoverageMetric.Match> getAllMatches(final Double pCoverage) {
+      return rawStreamAllMatches(new Object[]{pCoverage}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<CoverageMetric.Match> streamAllMatches(final Double pCoverage) {
+      return rawStreamAllMatches(new Object[]{pCoverage});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<CoverageMetric.Match> getOneArbitraryMatch(final Double pCoverage) {
+      return rawGetOneArbitraryMatch(new Object[]{pCoverage});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final Double pCoverage) {
+      return rawHasMatch(new Object[]{pCoverage});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final Double pCoverage) {
+      return rawCountMatches(new Object[]{pCoverage});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final Double pCoverage, final Consumer<? super CoverageMetric.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pCoverage}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pCoverage the fixed value of pattern parameter Coverage, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public CoverageMetric.Match newMatch(final Double pCoverage) {
+      return CoverageMetric.Match.newMatch(pCoverage);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Coverage.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<Double> rawStreamAllValuesOfCoverage(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_COVERAGE, parameters).map(Double.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Coverage.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<Double> getAllValuesOfCoverage() {
+      return rawStreamAllValuesOfCoverage(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Coverage.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<Double> streamAllValuesOfCoverage() {
+      return rawStreamAllValuesOfCoverage(emptyArray());
+    }
+    
+    @Override
+    protected CoverageMetric.Match tupleToMatch(final Tuple t) {
+      try {
+          return CoverageMetric.Match.newMatch((Double) t.get(POSITION_COVERAGE));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CoverageMetric.Match arrayToMatch(final Object[] match) {
+      try {
+          return CoverageMetric.Match.newMatch((Double) match[POSITION_COVERAGE]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CoverageMetric.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return CoverageMetric.Match.newMutableMatch((Double) match[POSITION_COVERAGE]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<CoverageMetric.Matcher> querySpecification() {
+      return CoverageMetric.instance();
+    }
+  }
+  
+  private CoverageMetric() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CoverageMetric instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected CoverageMetric.Matcher instantiate(final ViatraQueryEngine engine) {
+    return CoverageMetric.Matcher.on(engine);
+  }
+  
+  @Override
+  public CoverageMetric.Matcher instantiate() {
+    return CoverageMetric.Matcher.create();
+  }
+  
+  @Override
+  public CoverageMetric.Match newEmptyMatch() {
+    return CoverageMetric.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public CoverageMetric.Match newMatch(final Object... parameters) {
+    return CoverageMetric.Match.newMatch((java.lang.Double) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CoverageMetric (visibility: PUBLIC, simpleName: CoverageMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CoverageMetric, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CoverageMetric (visibility: PUBLIC, simpleName: CoverageMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CoverageMetric, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CoverageMetric INSTANCE = new CoverageMetric();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CoverageMetric.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Coverage = new PParameter("Coverage", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Coverage);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.coverageMetric";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Coverage");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Coverage = body.getOrCreateVariableByName("Coverage");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Coverage), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Coverage, parameter_Coverage)
+          ));
+          //    Coverage == sum find missionCoverage(_, #_)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new AggregatorConstraint(new sum().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var___0_, var___1_), MissionCoverage.instance().getInternalQueryRepresentation(), var__virtual_0_, 1);
+          new Equality(body, var_Coverage, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CubeSatWithKaAntenna.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CubeSatWithKaAntenna.java
new file mode 100644
index 00000000..c15563ff
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/CubeSatWithKaAntenna.java
@@ -0,0 +1,573 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SmallSat;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // Only a Small Satellite can be configured with a Ka-band communication system
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Spacecraft},
+ *              message = "Only a Small Satellite can be configured with a Ka-band communication system.")
+ *         pattern cubeSatWithKaAntenna(Spacecraft : Spacecraft) {
+ *              CommunicatingElement.commSubsystem.band(Spacecraft, TransceiverBand::Ka);
+ *              neg find smallSat(Spacecraft);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class CubeSatWithKaAntenna extends BaseGeneratedEMFQuerySpecification<CubeSatWithKaAntenna.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.cubeSatWithKaAntenna pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private Spacecraft fSpacecraft;
+    
+    private static List<String> parameterNames = makeImmutableList("Spacecraft");
+    
+    private Match(final Spacecraft pSpacecraft) {
+      this.fSpacecraft = pSpacecraft;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Spacecraft".equals(parameterName)) return this.fSpacecraft;
+      return null;
+    }
+    
+    public Spacecraft getSpacecraft() {
+      return this.fSpacecraft;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Spacecraft".equals(parameterName) ) {
+          this.fSpacecraft = (Spacecraft) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setSpacecraft(final Spacecraft pSpacecraft) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fSpacecraft = pSpacecraft;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.cubeSatWithKaAntenna";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return CubeSatWithKaAntenna.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fSpacecraft};
+    }
+    
+    @Override
+    public CubeSatWithKaAntenna.Match toImmutable() {
+      return isMutable() ? newMatch(fSpacecraft) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Spacecraft\"=" + prettyPrintValue(fSpacecraft));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fSpacecraft);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof CubeSatWithKaAntenna.Match)) {
+          CubeSatWithKaAntenna.Match other = (CubeSatWithKaAntenna.Match) obj;
+          return Objects.equals(fSpacecraft, other.fSpacecraft);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public CubeSatWithKaAntenna specification() {
+      return CubeSatWithKaAntenna.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static CubeSatWithKaAntenna.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static CubeSatWithKaAntenna.Match newMutableMatch(final Spacecraft pSpacecraft) {
+      return new Mutable(pSpacecraft);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static CubeSatWithKaAntenna.Match newMatch(final Spacecraft pSpacecraft) {
+      return new Immutable(pSpacecraft);
+    }
+    
+    private static final class Mutable extends CubeSatWithKaAntenna.Match {
+      Mutable(final Spacecraft pSpacecraft) {
+        super(pSpacecraft);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends CubeSatWithKaAntenna.Match {
+      Immutable(final Spacecraft pSpacecraft) {
+        super(pSpacecraft);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.cubeSatWithKaAntenna pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // Only a Small Satellite can be configured with a Ka-band communication system
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Spacecraft},
+   *    message = "Only a Small Satellite can be configured with a Ka-band communication system.")
+   * pattern cubeSatWithKaAntenna(Spacecraft : Spacecraft) {
+   *    CommunicatingElement.commSubsystem.band(Spacecraft, TransceiverBand::Ka);
+   *    neg find smallSat(Spacecraft);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see CubeSatWithKaAntenna
+   * 
+   */
+  public static class Matcher extends BaseMatcher<CubeSatWithKaAntenna.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static CubeSatWithKaAntenna.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static CubeSatWithKaAntenna.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_SPACECRAFT = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(CubeSatWithKaAntenna.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<CubeSatWithKaAntenna.Match> getAllMatches(final Spacecraft pSpacecraft) {
+      return rawStreamAllMatches(new Object[]{pSpacecraft}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<CubeSatWithKaAntenna.Match> streamAllMatches(final Spacecraft pSpacecraft) {
+      return rawStreamAllMatches(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<CubeSatWithKaAntenna.Match> getOneArbitraryMatch(final Spacecraft pSpacecraft) {
+      return rawGetOneArbitraryMatch(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final Spacecraft pSpacecraft) {
+      return rawHasMatch(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final Spacecraft pSpacecraft) {
+      return rawCountMatches(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final Spacecraft pSpacecraft, final Consumer<? super CubeSatWithKaAntenna.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pSpacecraft}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public CubeSatWithKaAntenna.Match newMatch(final Spacecraft pSpacecraft) {
+      return CubeSatWithKaAntenna.Match.newMatch(pSpacecraft);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Spacecraft.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<Spacecraft> rawStreamAllValuesOfSpacecraft(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_SPACECRAFT, parameters).map(Spacecraft.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Spacecraft.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<Spacecraft> getAllValuesOfSpacecraft() {
+      return rawStreamAllValuesOfSpacecraft(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Spacecraft.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<Spacecraft> streamAllValuesOfSpacecraft() {
+      return rawStreamAllValuesOfSpacecraft(emptyArray());
+    }
+    
+    @Override
+    protected CubeSatWithKaAntenna.Match tupleToMatch(final Tuple t) {
+      try {
+          return CubeSatWithKaAntenna.Match.newMatch((Spacecraft) t.get(POSITION_SPACECRAFT));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CubeSatWithKaAntenna.Match arrayToMatch(final Object[] match) {
+      try {
+          return CubeSatWithKaAntenna.Match.newMatch((Spacecraft) match[POSITION_SPACECRAFT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected CubeSatWithKaAntenna.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return CubeSatWithKaAntenna.Match.newMutableMatch((Spacecraft) match[POSITION_SPACECRAFT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<CubeSatWithKaAntenna.Matcher> querySpecification() {
+      return CubeSatWithKaAntenna.instance();
+    }
+  }
+  
+  private CubeSatWithKaAntenna() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CubeSatWithKaAntenna instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected CubeSatWithKaAntenna.Matcher instantiate(final ViatraQueryEngine engine) {
+    return CubeSatWithKaAntenna.Matcher.on(engine);
+  }
+  
+  @Override
+  public CubeSatWithKaAntenna.Matcher instantiate() {
+    return CubeSatWithKaAntenna.Matcher.create();
+  }
+  
+  @Override
+  public CubeSatWithKaAntenna.Match newEmptyMatch() {
+    return CubeSatWithKaAntenna.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public CubeSatWithKaAntenna.Match newMatch(final Object... parameters) {
+    return CubeSatWithKaAntenna.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CubeSatWithKaAntenna (visibility: PUBLIC, simpleName: CubeSatWithKaAntenna, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CubeSatWithKaAntenna, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CubeSatWithKaAntenna (visibility: PUBLIC, simpleName: CubeSatWithKaAntenna, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CubeSatWithKaAntenna, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CubeSatWithKaAntenna INSTANCE = new CubeSatWithKaAntenna();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CubeSatWithKaAntenna.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.cubeSatWithKaAntenna";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft)
+          ));
+          //    CommunicatingElement.commSubsystem.band(Spacecraft, TransceiverBand::Ka)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "Ka").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_2_, var__virtual_0_);
+          //    neg find smallSat(Spacecraft)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Spacecraft), SmallSat.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Spacecraft")
+                              }));
+          annotation.addAttribute("message", "Only a Small Satellite can be configured with a Ka-band communication system.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/IncompatibleSourceAndTargetBand.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/IncompatibleSourceAndTargetBand.java
new file mode 100644
index 00000000..4cacc34b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/IncompatibleSourceAndTargetBand.java
@@ -0,0 +1,586 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBand;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // Source and target communication systems must be compatible.
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Link},
+ *              message = "Two ends of a communication link must use the same band.")
+ *         pattern incompatibleSourceAndTargetBand(Link : DirectedCommunicationLink) {
+ *              DirectedCommunicationLink.source(Link, SourceSubsystem);
+ *              DirectedCommunicationLink.target(Link, TargetSubsystem);
+ *              CommSubsystem.band(SourceSubsystem, Band);
+ *              neg find commSubsystemBand(TargetSubsystem, Band);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class IncompatibleSourceAndTargetBand extends BaseGeneratedEMFQuerySpecification<IncompatibleSourceAndTargetBand.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetBand pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private DirectedCommunicationLink fLink;
+    
+    private static List<String> parameterNames = makeImmutableList("Link");
+    
+    private Match(final DirectedCommunicationLink pLink) {
+      this.fLink = pLink;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Link".equals(parameterName)) return this.fLink;
+      return null;
+    }
+    
+    public DirectedCommunicationLink getLink() {
+      return this.fLink;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Link".equals(parameterName) ) {
+          this.fLink = (DirectedCommunicationLink) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setLink(final DirectedCommunicationLink pLink) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fLink = pLink;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetBand";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return IncompatibleSourceAndTargetBand.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fLink};
+    }
+    
+    @Override
+    public IncompatibleSourceAndTargetBand.Match toImmutable() {
+      return isMutable() ? newMatch(fLink) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Link\"=" + prettyPrintValue(fLink));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fLink);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof IncompatibleSourceAndTargetBand.Match)) {
+          IncompatibleSourceAndTargetBand.Match other = (IncompatibleSourceAndTargetBand.Match) obj;
+          return Objects.equals(fLink, other.fLink);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public IncompatibleSourceAndTargetBand specification() {
+      return IncompatibleSourceAndTargetBand.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static IncompatibleSourceAndTargetBand.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static IncompatibleSourceAndTargetBand.Match newMutableMatch(final DirectedCommunicationLink pLink) {
+      return new Mutable(pLink);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static IncompatibleSourceAndTargetBand.Match newMatch(final DirectedCommunicationLink pLink) {
+      return new Immutable(pLink);
+    }
+    
+    private static final class Mutable extends IncompatibleSourceAndTargetBand.Match {
+      Mutable(final DirectedCommunicationLink pLink) {
+        super(pLink);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends IncompatibleSourceAndTargetBand.Match {
+      Immutable(final DirectedCommunicationLink pLink) {
+        super(pLink);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetBand pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // Source and target communication systems must be compatible.
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Link},
+   *    message = "Two ends of a communication link must use the same band.")
+   * pattern incompatibleSourceAndTargetBand(Link : DirectedCommunicationLink) {
+   *    DirectedCommunicationLink.source(Link, SourceSubsystem);
+   *    DirectedCommunicationLink.target(Link, TargetSubsystem);
+   *    CommSubsystem.band(SourceSubsystem, Band);
+   *    neg find commSubsystemBand(TargetSubsystem, Band);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see IncompatibleSourceAndTargetBand
+   * 
+   */
+  public static class Matcher extends BaseMatcher<IncompatibleSourceAndTargetBand.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static IncompatibleSourceAndTargetBand.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static IncompatibleSourceAndTargetBand.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_LINK = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(IncompatibleSourceAndTargetBand.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<IncompatibleSourceAndTargetBand.Match> getAllMatches(final DirectedCommunicationLink pLink) {
+      return rawStreamAllMatches(new Object[]{pLink}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<IncompatibleSourceAndTargetBand.Match> streamAllMatches(final DirectedCommunicationLink pLink) {
+      return rawStreamAllMatches(new Object[]{pLink});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<IncompatibleSourceAndTargetBand.Match> getOneArbitraryMatch(final DirectedCommunicationLink pLink) {
+      return rawGetOneArbitraryMatch(new Object[]{pLink});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final DirectedCommunicationLink pLink) {
+      return rawHasMatch(new Object[]{pLink});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final DirectedCommunicationLink pLink) {
+      return rawCountMatches(new Object[]{pLink});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final DirectedCommunicationLink pLink, final Consumer<? super IncompatibleSourceAndTargetBand.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pLink}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public IncompatibleSourceAndTargetBand.Match newMatch(final DirectedCommunicationLink pLink) {
+      return IncompatibleSourceAndTargetBand.Match.newMatch(pLink);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<DirectedCommunicationLink> rawStreamAllValuesOfLink(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_LINK, parameters).map(DirectedCommunicationLink.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<DirectedCommunicationLink> getAllValuesOfLink() {
+      return rawStreamAllValuesOfLink(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<DirectedCommunicationLink> streamAllValuesOfLink() {
+      return rawStreamAllValuesOfLink(emptyArray());
+    }
+    
+    @Override
+    protected IncompatibleSourceAndTargetBand.Match tupleToMatch(final Tuple t) {
+      try {
+          return IncompatibleSourceAndTargetBand.Match.newMatch((DirectedCommunicationLink) t.get(POSITION_LINK));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected IncompatibleSourceAndTargetBand.Match arrayToMatch(final Object[] match) {
+      try {
+          return IncompatibleSourceAndTargetBand.Match.newMatch((DirectedCommunicationLink) match[POSITION_LINK]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected IncompatibleSourceAndTargetBand.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return IncompatibleSourceAndTargetBand.Match.newMutableMatch((DirectedCommunicationLink) match[POSITION_LINK]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<IncompatibleSourceAndTargetBand.Matcher> querySpecification() {
+      return IncompatibleSourceAndTargetBand.instance();
+    }
+  }
+  
+  private IncompatibleSourceAndTargetBand() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static IncompatibleSourceAndTargetBand instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected IncompatibleSourceAndTargetBand.Matcher instantiate(final ViatraQueryEngine engine) {
+    return IncompatibleSourceAndTargetBand.Matcher.on(engine);
+  }
+  
+  @Override
+  public IncompatibleSourceAndTargetBand.Matcher instantiate() {
+    return IncompatibleSourceAndTargetBand.Matcher.create();
+  }
+  
+  @Override
+  public IncompatibleSourceAndTargetBand.Match newEmptyMatch() {
+    return IncompatibleSourceAndTargetBand.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public IncompatibleSourceAndTargetBand.Match newMatch(final Object... parameters) {
+    return IncompatibleSourceAndTargetBand.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetBand (visibility: PUBLIC, simpleName: IncompatibleSourceAndTargetBand, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetBand, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetBand (visibility: PUBLIC, simpleName: IncompatibleSourceAndTargetBand, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetBand, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final IncompatibleSourceAndTargetBand INSTANCE = new IncompatibleSourceAndTargetBand();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final IncompatibleSourceAndTargetBand.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Link = new PParameter("Link", "hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "DirectedCommunicationLink")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Link);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetBand";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Link");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Link = body.getOrCreateVariableByName("Link");
+          PVariable var_SourceSubsystem = body.getOrCreateVariableByName("SourceSubsystem");
+          PVariable var_TargetSubsystem = body.getOrCreateVariableByName("TargetSubsystem");
+          PVariable var_Band = body.getOrCreateVariableByName("Band");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Link, parameter_Link)
+          ));
+          //    DirectedCommunicationLink.source(Link, SourceSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "source")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_0_, var_SourceSubsystem);
+          //    DirectedCommunicationLink.target(Link, TargetSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "target")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_1_, var_TargetSubsystem);
+          //    CommSubsystem.band(SourceSubsystem, Band)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_SourceSubsystem), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_SourceSubsystem, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_2_, var_Band);
+          //    neg find commSubsystemBand(TargetSubsystem, Band)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_TargetSubsystem, var_Band), CommSubsystemBand.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Link")
+                              }));
+          annotation.addAttribute("message", "Two ends of a communication link must use the same band.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/IncompatibleSourceAndTargetGain.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/IncompatibleSourceAndTargetGain.java
new file mode 100644
index 00000000..3f247613
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/IncompatibleSourceAndTargetGain.java
@@ -0,0 +1,582 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGain;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         {@literal @}Constraint(severity = "error", key = {Link},
+ *              message = "Two ends of a communication link must use the same antenna gain.")
+ *         pattern incompatibleSourceAndTargetGain(Link : DirectedCommunicationLink) {
+ *              DirectedCommunicationLink.source(Link, SourceSubsystem);
+ *              DirectedCommunicationLink.target(Link, TargetSubsystem);
+ *              CommSubsystem.gain(SourceSubsystem, Gain);
+ *              neg find commSubsystemGain(TargetSubsystem, Gain);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class IncompatibleSourceAndTargetGain extends BaseGeneratedEMFQuerySpecification<IncompatibleSourceAndTargetGain.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetGain pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private DirectedCommunicationLink fLink;
+    
+    private static List<String> parameterNames = makeImmutableList("Link");
+    
+    private Match(final DirectedCommunicationLink pLink) {
+      this.fLink = pLink;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Link".equals(parameterName)) return this.fLink;
+      return null;
+    }
+    
+    public DirectedCommunicationLink getLink() {
+      return this.fLink;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Link".equals(parameterName) ) {
+          this.fLink = (DirectedCommunicationLink) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setLink(final DirectedCommunicationLink pLink) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fLink = pLink;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetGain";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return IncompatibleSourceAndTargetGain.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fLink};
+    }
+    
+    @Override
+    public IncompatibleSourceAndTargetGain.Match toImmutable() {
+      return isMutable() ? newMatch(fLink) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Link\"=" + prettyPrintValue(fLink));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fLink);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof IncompatibleSourceAndTargetGain.Match)) {
+          IncompatibleSourceAndTargetGain.Match other = (IncompatibleSourceAndTargetGain.Match) obj;
+          return Objects.equals(fLink, other.fLink);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public IncompatibleSourceAndTargetGain specification() {
+      return IncompatibleSourceAndTargetGain.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static IncompatibleSourceAndTargetGain.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static IncompatibleSourceAndTargetGain.Match newMutableMatch(final DirectedCommunicationLink pLink) {
+      return new Mutable(pLink);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static IncompatibleSourceAndTargetGain.Match newMatch(final DirectedCommunicationLink pLink) {
+      return new Immutable(pLink);
+    }
+    
+    private static final class Mutable extends IncompatibleSourceAndTargetGain.Match {
+      Mutable(final DirectedCommunicationLink pLink) {
+        super(pLink);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends IncompatibleSourceAndTargetGain.Match {
+      Immutable(final DirectedCommunicationLink pLink) {
+        super(pLink);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetGain pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * {@literal @}Constraint(severity = "error", key = {Link},
+   *    message = "Two ends of a communication link must use the same antenna gain.")
+   * pattern incompatibleSourceAndTargetGain(Link : DirectedCommunicationLink) {
+   *    DirectedCommunicationLink.source(Link, SourceSubsystem);
+   *    DirectedCommunicationLink.target(Link, TargetSubsystem);
+   *    CommSubsystem.gain(SourceSubsystem, Gain);
+   *    neg find commSubsystemGain(TargetSubsystem, Gain);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see IncompatibleSourceAndTargetGain
+   * 
+   */
+  public static class Matcher extends BaseMatcher<IncompatibleSourceAndTargetGain.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static IncompatibleSourceAndTargetGain.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static IncompatibleSourceAndTargetGain.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_LINK = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(IncompatibleSourceAndTargetGain.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<IncompatibleSourceAndTargetGain.Match> getAllMatches(final DirectedCommunicationLink pLink) {
+      return rawStreamAllMatches(new Object[]{pLink}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<IncompatibleSourceAndTargetGain.Match> streamAllMatches(final DirectedCommunicationLink pLink) {
+      return rawStreamAllMatches(new Object[]{pLink});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<IncompatibleSourceAndTargetGain.Match> getOneArbitraryMatch(final DirectedCommunicationLink pLink) {
+      return rawGetOneArbitraryMatch(new Object[]{pLink});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final DirectedCommunicationLink pLink) {
+      return rawHasMatch(new Object[]{pLink});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final DirectedCommunicationLink pLink) {
+      return rawCountMatches(new Object[]{pLink});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final DirectedCommunicationLink pLink, final Consumer<? super IncompatibleSourceAndTargetGain.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pLink}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pLink the fixed value of pattern parameter Link, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public IncompatibleSourceAndTargetGain.Match newMatch(final DirectedCommunicationLink pLink) {
+      return IncompatibleSourceAndTargetGain.Match.newMatch(pLink);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<DirectedCommunicationLink> rawStreamAllValuesOfLink(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_LINK, parameters).map(DirectedCommunicationLink.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<DirectedCommunicationLink> getAllValuesOfLink() {
+      return rawStreamAllValuesOfLink(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Link.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<DirectedCommunicationLink> streamAllValuesOfLink() {
+      return rawStreamAllValuesOfLink(emptyArray());
+    }
+    
+    @Override
+    protected IncompatibleSourceAndTargetGain.Match tupleToMatch(final Tuple t) {
+      try {
+          return IncompatibleSourceAndTargetGain.Match.newMatch((DirectedCommunicationLink) t.get(POSITION_LINK));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected IncompatibleSourceAndTargetGain.Match arrayToMatch(final Object[] match) {
+      try {
+          return IncompatibleSourceAndTargetGain.Match.newMatch((DirectedCommunicationLink) match[POSITION_LINK]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected IncompatibleSourceAndTargetGain.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return IncompatibleSourceAndTargetGain.Match.newMutableMatch((DirectedCommunicationLink) match[POSITION_LINK]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<IncompatibleSourceAndTargetGain.Matcher> querySpecification() {
+      return IncompatibleSourceAndTargetGain.instance();
+    }
+  }
+  
+  private IncompatibleSourceAndTargetGain() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static IncompatibleSourceAndTargetGain instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected IncompatibleSourceAndTargetGain.Matcher instantiate(final ViatraQueryEngine engine) {
+    return IncompatibleSourceAndTargetGain.Matcher.on(engine);
+  }
+  
+  @Override
+  public IncompatibleSourceAndTargetGain.Matcher instantiate() {
+    return IncompatibleSourceAndTargetGain.Matcher.create();
+  }
+  
+  @Override
+  public IncompatibleSourceAndTargetGain.Match newEmptyMatch() {
+    return IncompatibleSourceAndTargetGain.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public IncompatibleSourceAndTargetGain.Match newMatch(final Object... parameters) {
+    return IncompatibleSourceAndTargetGain.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetGain (visibility: PUBLIC, simpleName: IncompatibleSourceAndTargetGain, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetGain, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetGain (visibility: PUBLIC, simpleName: IncompatibleSourceAndTargetGain, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetGain, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final IncompatibleSourceAndTargetGain INSTANCE = new IncompatibleSourceAndTargetGain();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final IncompatibleSourceAndTargetGain.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Link = new PParameter("Link", "hu.bme.mit.inf.dslreasoner.domains.satellite.DirectedCommunicationLink", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "DirectedCommunicationLink")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Link);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incompatibleSourceAndTargetGain";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Link");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Link = body.getOrCreateVariableByName("Link");
+          PVariable var_SourceSubsystem = body.getOrCreateVariableByName("SourceSubsystem");
+          PVariable var_TargetSubsystem = body.getOrCreateVariableByName("TargetSubsystem");
+          PVariable var_Gain = body.getOrCreateVariableByName("Gain");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Link, parameter_Link)
+          ));
+          //    DirectedCommunicationLink.source(Link, SourceSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "source")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_0_, var_SourceSubsystem);
+          //    DirectedCommunicationLink.target(Link, TargetSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "target")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_1_, var_TargetSubsystem);
+          //    CommSubsystem.gain(SourceSubsystem, Gain)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_SourceSubsystem), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_SourceSubsystem, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "gain")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "AntennaGain")));
+          new Equality(body, var__virtual_2_, var_Gain);
+          //    neg find commSubsystemGain(TargetSubsystem, Gain)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_TargetSubsystem, var_Gain), CommSubsystemGain.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Link")
+                              }));
+          annotation.addAttribute("message", "Two ends of a communication link must use the same antenna gain.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/KaAntennaGainLow.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/KaAntennaGainLow.java
new file mode 100644
index 00000000..18f6c32f
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/KaAntennaGainLow.java
@@ -0,0 +1,574 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // Ka-band transmitters may only be combined with a medium or high gain antenna
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Comm},
+ *              message = "Ka-band transceiver must be combined with a medium or high gain antenna.")
+ *         pattern kaAntennaGainLow(Comm : CommSubsystem) {
+ *              CommSubsystem.band(Comm, TransceiverBand::Ka);
+ *              CommSubsystem.gain(Comm, AntennaGain::LOW);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class KaAntennaGainLow extends BaseGeneratedEMFQuerySpecification<KaAntennaGainLow.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.kaAntennaGainLow pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private CommSubsystem fComm;
+    
+    private static List<String> parameterNames = makeImmutableList("Comm");
+    
+    private Match(final CommSubsystem pComm) {
+      this.fComm = pComm;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Comm".equals(parameterName)) return this.fComm;
+      return null;
+    }
+    
+    public CommSubsystem getComm() {
+      return this.fComm;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Comm".equals(parameterName) ) {
+          this.fComm = (CommSubsystem) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setComm(final CommSubsystem pComm) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fComm = pComm;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.kaAntennaGainLow";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return KaAntennaGainLow.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fComm};
+    }
+    
+    @Override
+    public KaAntennaGainLow.Match toImmutable() {
+      return isMutable() ? newMatch(fComm) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Comm\"=" + prettyPrintValue(fComm));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fComm);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof KaAntennaGainLow.Match)) {
+          KaAntennaGainLow.Match other = (KaAntennaGainLow.Match) obj;
+          return Objects.equals(fComm, other.fComm);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public KaAntennaGainLow specification() {
+      return KaAntennaGainLow.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static KaAntennaGainLow.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static KaAntennaGainLow.Match newMutableMatch(final CommSubsystem pComm) {
+      return new Mutable(pComm);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static KaAntennaGainLow.Match newMatch(final CommSubsystem pComm) {
+      return new Immutable(pComm);
+    }
+    
+    private static final class Mutable extends KaAntennaGainLow.Match {
+      Mutable(final CommSubsystem pComm) {
+        super(pComm);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends KaAntennaGainLow.Match {
+      Immutable(final CommSubsystem pComm) {
+        super(pComm);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.kaAntennaGainLow pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // Ka-band transmitters may only be combined with a medium or high gain antenna
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Comm},
+   *    message = "Ka-band transceiver must be combined with a medium or high gain antenna.")
+   * pattern kaAntennaGainLow(Comm : CommSubsystem) {
+   *    CommSubsystem.band(Comm, TransceiverBand::Ka);
+   *    CommSubsystem.gain(Comm, AntennaGain::LOW);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see KaAntennaGainLow
+   * 
+   */
+  public static class Matcher extends BaseMatcher<KaAntennaGainLow.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static KaAntennaGainLow.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static KaAntennaGainLow.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_COMM = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(KaAntennaGainLow.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<KaAntennaGainLow.Match> getAllMatches(final CommSubsystem pComm) {
+      return rawStreamAllMatches(new Object[]{pComm}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<KaAntennaGainLow.Match> streamAllMatches(final CommSubsystem pComm) {
+      return rawStreamAllMatches(new Object[]{pComm});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<KaAntennaGainLow.Match> getOneArbitraryMatch(final CommSubsystem pComm) {
+      return rawGetOneArbitraryMatch(new Object[]{pComm});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final CommSubsystem pComm) {
+      return rawHasMatch(new Object[]{pComm});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final CommSubsystem pComm) {
+      return rawCountMatches(new Object[]{pComm});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final CommSubsystem pComm, final Consumer<? super KaAntennaGainLow.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pComm}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public KaAntennaGainLow.Match newMatch(final CommSubsystem pComm) {
+      return KaAntennaGainLow.Match.newMatch(pComm);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<CommSubsystem> rawStreamAllValuesOfComm(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_COMM, parameters).map(CommSubsystem.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<CommSubsystem> getAllValuesOfComm() {
+      return rawStreamAllValuesOfComm(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<CommSubsystem> streamAllValuesOfComm() {
+      return rawStreamAllValuesOfComm(emptyArray());
+    }
+    
+    @Override
+    protected KaAntennaGainLow.Match tupleToMatch(final Tuple t) {
+      try {
+          return KaAntennaGainLow.Match.newMatch((CommSubsystem) t.get(POSITION_COMM));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected KaAntennaGainLow.Match arrayToMatch(final Object[] match) {
+      try {
+          return KaAntennaGainLow.Match.newMatch((CommSubsystem) match[POSITION_COMM]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected KaAntennaGainLow.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return KaAntennaGainLow.Match.newMutableMatch((CommSubsystem) match[POSITION_COMM]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<KaAntennaGainLow.Matcher> querySpecification() {
+      return KaAntennaGainLow.instance();
+    }
+  }
+  
+  private KaAntennaGainLow() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static KaAntennaGainLow instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected KaAntennaGainLow.Matcher instantiate(final ViatraQueryEngine engine) {
+    return KaAntennaGainLow.Matcher.on(engine);
+  }
+  
+  @Override
+  public KaAntennaGainLow.Matcher instantiate() {
+    return KaAntennaGainLow.Matcher.create();
+  }
+  
+  @Override
+  public KaAntennaGainLow.Match newEmptyMatch() {
+    return KaAntennaGainLow.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public KaAntennaGainLow.Match newMatch(final Object... parameters) {
+    return KaAntennaGainLow.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.KaAntennaGainLow (visibility: PUBLIC, simpleName: KaAntennaGainLow, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.KaAntennaGainLow, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.KaAntennaGainLow (visibility: PUBLIC, simpleName: KaAntennaGainLow, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.KaAntennaGainLow, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final KaAntennaGainLow INSTANCE = new KaAntennaGainLow();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final KaAntennaGainLow.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.kaAntennaGainLow";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm)
+          ));
+          //    CommSubsystem.band(Comm, TransceiverBand::Ka)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "Ka").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    CommSubsystem.gain(Comm, AntennaGain::LOW)
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ConstantValue(body, var__virtual_2_, getEnumLiteral("http://www.example.org/satellite", "AntennaGain", "LOW").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "gain")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "AntennaGain")));
+          new Equality(body, var__virtual_3_, var__virtual_2_);
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Comm")
+                              }));
+          annotation.addAttribute("message", "Ka-band transceiver must be combined with a medium or high gain antenna.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/NoLinkToGroundStation.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/NoLinkToGroundStation.java
new file mode 100644
index 00000000..598f3a6b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/NoLinkToGroundStation.java
@@ -0,0 +1,575 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // All spacecraft must have some communication path to the ground station
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Spacecraft},
+ *              message = "Spacecraft has no communication path to the ground station.")
+ *         pattern noLinkToGroundStation(Spacecraft : Spacecraft) {
+ *              ConstellationMission.groundStationNetwork(Mission, GroundStation);
+ *              ConstellationMission.spacecraft(Mission, Spacecraft);
+ *              neg find indirectCommunicationLink(Spacecraft, GroundStation);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class NoLinkToGroundStation extends BaseGeneratedEMFQuerySpecification<NoLinkToGroundStation.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.noLinkToGroundStation pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private Spacecraft fSpacecraft;
+    
+    private static List<String> parameterNames = makeImmutableList("Spacecraft");
+    
+    private Match(final Spacecraft pSpacecraft) {
+      this.fSpacecraft = pSpacecraft;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Spacecraft".equals(parameterName)) return this.fSpacecraft;
+      return null;
+    }
+    
+    public Spacecraft getSpacecraft() {
+      return this.fSpacecraft;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Spacecraft".equals(parameterName) ) {
+          this.fSpacecraft = (Spacecraft) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setSpacecraft(final Spacecraft pSpacecraft) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fSpacecraft = pSpacecraft;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.noLinkToGroundStation";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return NoLinkToGroundStation.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fSpacecraft};
+    }
+    
+    @Override
+    public NoLinkToGroundStation.Match toImmutable() {
+      return isMutable() ? newMatch(fSpacecraft) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Spacecraft\"=" + prettyPrintValue(fSpacecraft));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fSpacecraft);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof NoLinkToGroundStation.Match)) {
+          NoLinkToGroundStation.Match other = (NoLinkToGroundStation.Match) obj;
+          return Objects.equals(fSpacecraft, other.fSpacecraft);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public NoLinkToGroundStation specification() {
+      return NoLinkToGroundStation.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static NoLinkToGroundStation.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static NoLinkToGroundStation.Match newMutableMatch(final Spacecraft pSpacecraft) {
+      return new Mutable(pSpacecraft);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static NoLinkToGroundStation.Match newMatch(final Spacecraft pSpacecraft) {
+      return new Immutable(pSpacecraft);
+    }
+    
+    private static final class Mutable extends NoLinkToGroundStation.Match {
+      Mutable(final Spacecraft pSpacecraft) {
+        super(pSpacecraft);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends NoLinkToGroundStation.Match {
+      Immutable(final Spacecraft pSpacecraft) {
+        super(pSpacecraft);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.noLinkToGroundStation pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // All spacecraft must have some communication path to the ground station
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Spacecraft},
+   *    message = "Spacecraft has no communication path to the ground station.")
+   * pattern noLinkToGroundStation(Spacecraft : Spacecraft) {
+   *    ConstellationMission.groundStationNetwork(Mission, GroundStation);
+   *    ConstellationMission.spacecraft(Mission, Spacecraft);
+   *    neg find indirectCommunicationLink(Spacecraft, GroundStation);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see NoLinkToGroundStation
+   * 
+   */
+  public static class Matcher extends BaseMatcher<NoLinkToGroundStation.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static NoLinkToGroundStation.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static NoLinkToGroundStation.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_SPACECRAFT = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(NoLinkToGroundStation.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<NoLinkToGroundStation.Match> getAllMatches(final Spacecraft pSpacecraft) {
+      return rawStreamAllMatches(new Object[]{pSpacecraft}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<NoLinkToGroundStation.Match> streamAllMatches(final Spacecraft pSpacecraft) {
+      return rawStreamAllMatches(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<NoLinkToGroundStation.Match> getOneArbitraryMatch(final Spacecraft pSpacecraft) {
+      return rawGetOneArbitraryMatch(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final Spacecraft pSpacecraft) {
+      return rawHasMatch(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final Spacecraft pSpacecraft) {
+      return rawCountMatches(new Object[]{pSpacecraft});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final Spacecraft pSpacecraft, final Consumer<? super NoLinkToGroundStation.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pSpacecraft}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pSpacecraft the fixed value of pattern parameter Spacecraft, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public NoLinkToGroundStation.Match newMatch(final Spacecraft pSpacecraft) {
+      return NoLinkToGroundStation.Match.newMatch(pSpacecraft);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Spacecraft.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<Spacecraft> rawStreamAllValuesOfSpacecraft(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_SPACECRAFT, parameters).map(Spacecraft.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Spacecraft.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<Spacecraft> getAllValuesOfSpacecraft() {
+      return rawStreamAllValuesOfSpacecraft(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Spacecraft.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<Spacecraft> streamAllValuesOfSpacecraft() {
+      return rawStreamAllValuesOfSpacecraft(emptyArray());
+    }
+    
+    @Override
+    protected NoLinkToGroundStation.Match tupleToMatch(final Tuple t) {
+      try {
+          return NoLinkToGroundStation.Match.newMatch((Spacecraft) t.get(POSITION_SPACECRAFT));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected NoLinkToGroundStation.Match arrayToMatch(final Object[] match) {
+      try {
+          return NoLinkToGroundStation.Match.newMatch((Spacecraft) match[POSITION_SPACECRAFT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected NoLinkToGroundStation.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return NoLinkToGroundStation.Match.newMutableMatch((Spacecraft) match[POSITION_SPACECRAFT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<NoLinkToGroundStation.Matcher> querySpecification() {
+      return NoLinkToGroundStation.instance();
+    }
+  }
+  
+  private NoLinkToGroundStation() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static NoLinkToGroundStation instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected NoLinkToGroundStation.Matcher instantiate(final ViatraQueryEngine engine) {
+    return NoLinkToGroundStation.Matcher.on(engine);
+  }
+  
+  @Override
+  public NoLinkToGroundStation.Matcher instantiate() {
+    return NoLinkToGroundStation.Matcher.create();
+  }
+  
+  @Override
+  public NoLinkToGroundStation.Match newEmptyMatch() {
+    return NoLinkToGroundStation.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public NoLinkToGroundStation.Match newMatch(final Object... parameters) {
+    return NoLinkToGroundStation.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NoLinkToGroundStation (visibility: PUBLIC, simpleName: NoLinkToGroundStation, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NoLinkToGroundStation, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NoLinkToGroundStation (visibility: PUBLIC, simpleName: NoLinkToGroundStation, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NoLinkToGroundStation, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final NoLinkToGroundStation INSTANCE = new NoLinkToGroundStation();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final NoLinkToGroundStation.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.noLinkToGroundStation";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_GroundStation = body.getOrCreateVariableByName("GroundStation");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft)
+          ));
+          //    ConstellationMission.groundStationNetwork(Mission, GroundStation)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "ConstellationMission", "groundStationNetwork")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "GroundStationNetwork")));
+          new Equality(body, var__virtual_0_, var_GroundStation);
+          //    ConstellationMission.spacecraft(Mission, Spacecraft)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "ConstellationMission", "spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new Equality(body, var__virtual_1_, var_Spacecraft);
+          //    neg find indirectCommunicationLink(Spacecraft, GroundStation)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var_GroundStation), IndirectCommunicationLink.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Spacecraft")
+                              }));
+          annotation.addAttribute("message", "Spacecraft has no communication path to the ground station.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/NotEnoughInterferometryPayloads.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/NotEnoughInterferometryPayloads.java
new file mode 100644
index 00000000..39af9d5b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/NotEnoughInterferometryPayloads.java
@@ -0,0 +1,548 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AtLeastTwoInterferometryPayloads;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // At least two spacecraft must have the interferometry payload configured
+ *         
+ *         //{@literal @}Constraint(severity = "error", key = {Mission},
+ *         //   message = "Interferometry mission needs at least two spacecraft configured with the interferometry payload.")
+ *         pattern notEnoughInterferometryPayloads(Mission : InterferometryMission) {
+ *              InterferometryMission(Mission);
+ *              neg find atLeastTwoInterferometryPayloads(Mission);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class NotEnoughInterferometryPayloads extends BaseGeneratedEMFQuerySpecification<NotEnoughInterferometryPayloads.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.notEnoughInterferometryPayloads pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private InterferometryMission fMission;
+    
+    private static List<String> parameterNames = makeImmutableList("Mission");
+    
+    private Match(final InterferometryMission pMission) {
+      this.fMission = pMission;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Mission".equals(parameterName)) return this.fMission;
+      return null;
+    }
+    
+    public InterferometryMission getMission() {
+      return this.fMission;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Mission".equals(parameterName) ) {
+          this.fMission = (InterferometryMission) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setMission(final InterferometryMission pMission) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fMission = pMission;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.notEnoughInterferometryPayloads";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return NotEnoughInterferometryPayloads.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fMission};
+    }
+    
+    @Override
+    public NotEnoughInterferometryPayloads.Match toImmutable() {
+      return isMutable() ? newMatch(fMission) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Mission\"=" + prettyPrintValue(fMission));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fMission);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof NotEnoughInterferometryPayloads.Match)) {
+          NotEnoughInterferometryPayloads.Match other = (NotEnoughInterferometryPayloads.Match) obj;
+          return Objects.equals(fMission, other.fMission);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public NotEnoughInterferometryPayloads specification() {
+      return NotEnoughInterferometryPayloads.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static NotEnoughInterferometryPayloads.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static NotEnoughInterferometryPayloads.Match newMutableMatch(final InterferometryMission pMission) {
+      return new Mutable(pMission);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static NotEnoughInterferometryPayloads.Match newMatch(final InterferometryMission pMission) {
+      return new Immutable(pMission);
+    }
+    
+    private static final class Mutable extends NotEnoughInterferometryPayloads.Match {
+      Mutable(final InterferometryMission pMission) {
+        super(pMission);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends NotEnoughInterferometryPayloads.Match {
+      Immutable(final InterferometryMission pMission) {
+        super(pMission);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.notEnoughInterferometryPayloads pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // At least two spacecraft must have the interferometry payload configured
+   * 
+   * //{@literal @}Constraint(severity = "error", key = {Mission},
+   * // message = "Interferometry mission needs at least two spacecraft configured with the interferometry payload.")
+   * pattern notEnoughInterferometryPayloads(Mission : InterferometryMission) {
+   *    InterferometryMission(Mission);
+   *    neg find atLeastTwoInterferometryPayloads(Mission);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see NotEnoughInterferometryPayloads
+   * 
+   */
+  public static class Matcher extends BaseMatcher<NotEnoughInterferometryPayloads.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static NotEnoughInterferometryPayloads.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static NotEnoughInterferometryPayloads.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_MISSION = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(NotEnoughInterferometryPayloads.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<NotEnoughInterferometryPayloads.Match> getAllMatches(final InterferometryMission pMission) {
+      return rawStreamAllMatches(new Object[]{pMission}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<NotEnoughInterferometryPayloads.Match> streamAllMatches(final InterferometryMission pMission) {
+      return rawStreamAllMatches(new Object[]{pMission});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<NotEnoughInterferometryPayloads.Match> getOneArbitraryMatch(final InterferometryMission pMission) {
+      return rawGetOneArbitraryMatch(new Object[]{pMission});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final InterferometryMission pMission) {
+      return rawHasMatch(new Object[]{pMission});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final InterferometryMission pMission) {
+      return rawCountMatches(new Object[]{pMission});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final InterferometryMission pMission, final Consumer<? super NotEnoughInterferometryPayloads.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pMission}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pMission the fixed value of pattern parameter Mission, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public NotEnoughInterferometryPayloads.Match newMatch(final InterferometryMission pMission) {
+      return NotEnoughInterferometryPayloads.Match.newMatch(pMission);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Mission.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<InterferometryMission> rawStreamAllValuesOfMission(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_MISSION, parameters).map(InterferometryMission.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Mission.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<InterferometryMission> getAllValuesOfMission() {
+      return rawStreamAllValuesOfMission(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Mission.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<InterferometryMission> streamAllValuesOfMission() {
+      return rawStreamAllValuesOfMission(emptyArray());
+    }
+    
+    @Override
+    protected NotEnoughInterferometryPayloads.Match tupleToMatch(final Tuple t) {
+      try {
+          return NotEnoughInterferometryPayloads.Match.newMatch((InterferometryMission) t.get(POSITION_MISSION));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected NotEnoughInterferometryPayloads.Match arrayToMatch(final Object[] match) {
+      try {
+          return NotEnoughInterferometryPayloads.Match.newMatch((InterferometryMission) match[POSITION_MISSION]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected NotEnoughInterferometryPayloads.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return NotEnoughInterferometryPayloads.Match.newMutableMatch((InterferometryMission) match[POSITION_MISSION]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<NotEnoughInterferometryPayloads.Matcher> querySpecification() {
+      return NotEnoughInterferometryPayloads.instance();
+    }
+  }
+  
+  private NotEnoughInterferometryPayloads() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static NotEnoughInterferometryPayloads instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected NotEnoughInterferometryPayloads.Matcher instantiate(final ViatraQueryEngine engine) {
+    return NotEnoughInterferometryPayloads.Matcher.on(engine);
+  }
+  
+  @Override
+  public NotEnoughInterferometryPayloads.Matcher instantiate() {
+    return NotEnoughInterferometryPayloads.Matcher.create();
+  }
+  
+  @Override
+  public NotEnoughInterferometryPayloads.Match newEmptyMatch() {
+    return NotEnoughInterferometryPayloads.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public NotEnoughInterferometryPayloads.Match newMatch(final Object... parameters) {
+    return NotEnoughInterferometryPayloads.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NotEnoughInterferometryPayloads (visibility: PUBLIC, simpleName: NotEnoughInterferometryPayloads, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NotEnoughInterferometryPayloads, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NotEnoughInterferometryPayloads (visibility: PUBLIC, simpleName: NotEnoughInterferometryPayloads, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NotEnoughInterferometryPayloads, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final NotEnoughInterferometryPayloads INSTANCE = new NotEnoughInterferometryPayloads();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final NotEnoughInterferometryPayloads.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.notEnoughInterferometryPayloads";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission)
+          ));
+          //    InterferometryMission(Mission)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          //    neg find atLeastTwoInterferometryPayloads(Mission)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Mission), AtLeastTwoInterferometryPayloads.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.java
new file mode 100644
index 00000000..b6601c28
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.java
@@ -0,0 +1,196 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLinkDoesNotStartAtContainingElement;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLoop;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CostMetric;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CoverageMetric;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CubeSatWithKaAntenna;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetBand;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetGain;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.KaAntennaGainLow;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NoLinkToGroundStation;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NotEnoughInterferometryPayloads;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.ThreeUCubeSatWithNonUhfCrossLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.TimeMetric;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.UhfAntennaGainNotLow;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.XAntennaGainNotMedium;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedPatternGroup;
+
+/**
+ * A pattern group formed of all public patterns defined in SatelliteQueries.vql.
+ * 
+ * <p>Use the static instance as any {@link interface org.eclipse.viatra.query.runtime.api.IQueryGroup}, to conveniently prepare
+ * a VIATRA Query engine for matching all patterns originally defined in file SatelliteQueries.vql,
+ * in order to achieve better performance than one-by-one on-demand matcher initialization.
+ * 
+ * <p> From package hu.bme.mit.inf.dslreasoner.domains.satellite.queries, the group contains the definition of the following patterns: <ul>
+ * <li>communicationLinkDoesNotStartAtContainingElement</li>
+ * <li>notEnoughInterferometryPayloads</li>
+ * <li>noLinkToGroundStation</li>
+ * <li>communicationLoop</li>
+ * <li>incompatibleSourceAndTargetBand</li>
+ * <li>incompatibleSourceAndTargetGain</li>
+ * <li>uhfAntennaGainNotLow</li>
+ * <li>xAntennaGainNotMedium</li>
+ * <li>kaAntennaGainLow</li>
+ * <li>threeUCubeSatWithNonUhfCrossLink</li>
+ * <li>cubeSatWithKaAntenna</li>
+ * <li>coverageMetric</li>
+ * <li>timeMetric</li>
+ * <li>costMetric</li>
+ * </ul>
+ * 
+ * @see IQueryGroup
+ * 
+ */
+@SuppressWarnings("all")
+public final class SatelliteQueries extends BaseGeneratedPatternGroup {
+  /**
+   * Access the pattern group.
+   * 
+   * @return the singleton instance of the group
+   * @throws ViatraQueryRuntimeException if there was an error loading the generated code of pattern specifications
+   * 
+   */
+  public static SatelliteQueries instance() {
+    if (INSTANCE == null) {
+        INSTANCE = new SatelliteQueries();
+    }
+    return INSTANCE;
+  }
+  
+  private static SatelliteQueries INSTANCE;
+  
+  private SatelliteQueries() {
+    querySpecifications.add(CommunicationLinkDoesNotStartAtContainingElement.instance());
+    querySpecifications.add(NotEnoughInterferometryPayloads.instance());
+    querySpecifications.add(NoLinkToGroundStation.instance());
+    querySpecifications.add(CommunicationLoop.instance());
+    querySpecifications.add(IncompatibleSourceAndTargetBand.instance());
+    querySpecifications.add(IncompatibleSourceAndTargetGain.instance());
+    querySpecifications.add(UhfAntennaGainNotLow.instance());
+    querySpecifications.add(XAntennaGainNotMedium.instance());
+    querySpecifications.add(KaAntennaGainLow.instance());
+    querySpecifications.add(ThreeUCubeSatWithNonUhfCrossLink.instance());
+    querySpecifications.add(CubeSatWithKaAntenna.instance());
+    querySpecifications.add(CoverageMetric.instance());
+    querySpecifications.add(TimeMetric.instance());
+    querySpecifications.add(CostMetric.instance());
+  }
+  
+  public CommunicationLinkDoesNotStartAtContainingElement getCommunicationLinkDoesNotStartAtContainingElement() {
+    return CommunicationLinkDoesNotStartAtContainingElement.instance();
+  }
+  
+  public CommunicationLinkDoesNotStartAtContainingElement.Matcher getCommunicationLinkDoesNotStartAtContainingElement(final ViatraQueryEngine engine) {
+    return CommunicationLinkDoesNotStartAtContainingElement.Matcher.on(engine);
+  }
+  
+  public NotEnoughInterferometryPayloads getNotEnoughInterferometryPayloads() {
+    return NotEnoughInterferometryPayloads.instance();
+  }
+  
+  public NotEnoughInterferometryPayloads.Matcher getNotEnoughInterferometryPayloads(final ViatraQueryEngine engine) {
+    return NotEnoughInterferometryPayloads.Matcher.on(engine);
+  }
+  
+  public NoLinkToGroundStation getNoLinkToGroundStation() {
+    return NoLinkToGroundStation.instance();
+  }
+  
+  public NoLinkToGroundStation.Matcher getNoLinkToGroundStation(final ViatraQueryEngine engine) {
+    return NoLinkToGroundStation.Matcher.on(engine);
+  }
+  
+  public CommunicationLoop getCommunicationLoop() {
+    return CommunicationLoop.instance();
+  }
+  
+  public CommunicationLoop.Matcher getCommunicationLoop(final ViatraQueryEngine engine) {
+    return CommunicationLoop.Matcher.on(engine);
+  }
+  
+  public IncompatibleSourceAndTargetBand getIncompatibleSourceAndTargetBand() {
+    return IncompatibleSourceAndTargetBand.instance();
+  }
+  
+  public IncompatibleSourceAndTargetBand.Matcher getIncompatibleSourceAndTargetBand(final ViatraQueryEngine engine) {
+    return IncompatibleSourceAndTargetBand.Matcher.on(engine);
+  }
+  
+  public IncompatibleSourceAndTargetGain getIncompatibleSourceAndTargetGain() {
+    return IncompatibleSourceAndTargetGain.instance();
+  }
+  
+  public IncompatibleSourceAndTargetGain.Matcher getIncompatibleSourceAndTargetGain(final ViatraQueryEngine engine) {
+    return IncompatibleSourceAndTargetGain.Matcher.on(engine);
+  }
+  
+  public UhfAntennaGainNotLow getUhfAntennaGainNotLow() {
+    return UhfAntennaGainNotLow.instance();
+  }
+  
+  public UhfAntennaGainNotLow.Matcher getUhfAntennaGainNotLow(final ViatraQueryEngine engine) {
+    return UhfAntennaGainNotLow.Matcher.on(engine);
+  }
+  
+  public XAntennaGainNotMedium getXAntennaGainNotMedium() {
+    return XAntennaGainNotMedium.instance();
+  }
+  
+  public XAntennaGainNotMedium.Matcher getXAntennaGainNotMedium(final ViatraQueryEngine engine) {
+    return XAntennaGainNotMedium.Matcher.on(engine);
+  }
+  
+  public KaAntennaGainLow getKaAntennaGainLow() {
+    return KaAntennaGainLow.instance();
+  }
+  
+  public KaAntennaGainLow.Matcher getKaAntennaGainLow(final ViatraQueryEngine engine) {
+    return KaAntennaGainLow.Matcher.on(engine);
+  }
+  
+  public ThreeUCubeSatWithNonUhfCrossLink getThreeUCubeSatWithNonUhfCrossLink() {
+    return ThreeUCubeSatWithNonUhfCrossLink.instance();
+  }
+  
+  public ThreeUCubeSatWithNonUhfCrossLink.Matcher getThreeUCubeSatWithNonUhfCrossLink(final ViatraQueryEngine engine) {
+    return ThreeUCubeSatWithNonUhfCrossLink.Matcher.on(engine);
+  }
+  
+  public CubeSatWithKaAntenna getCubeSatWithKaAntenna() {
+    return CubeSatWithKaAntenna.instance();
+  }
+  
+  public CubeSatWithKaAntenna.Matcher getCubeSatWithKaAntenna(final ViatraQueryEngine engine) {
+    return CubeSatWithKaAntenna.Matcher.on(engine);
+  }
+  
+  public CoverageMetric getCoverageMetric() {
+    return CoverageMetric.instance();
+  }
+  
+  public CoverageMetric.Matcher getCoverageMetric(final ViatraQueryEngine engine) {
+    return CoverageMetric.Matcher.on(engine);
+  }
+  
+  public TimeMetric getTimeMetric() {
+    return TimeMetric.instance();
+  }
+  
+  public TimeMetric.Matcher getTimeMetric(final ViatraQueryEngine engine) {
+    return TimeMetric.Matcher.on(engine);
+  }
+  
+  public CostMetric getCostMetric() {
+    return CostMetric.instance();
+  }
+  
+  public CostMetric.Matcher getCostMetric(final ViatraQueryEngine engine) {
+    return CostMetric.Matcher.on(engine);
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/ThreeUCubeSatWithNonUhfCrossLink.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/ThreeUCubeSatWithNonUhfCrossLink.java
new file mode 100644
index 00000000..6500c9d3
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/ThreeUCubeSatWithNonUhfCrossLink.java
@@ -0,0 +1,613 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBandUhf;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.GroundStationNetwork;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // 3U CubeSats are assumed to only be able to downlink to Earth using an X-band trasmitter,
+ *         // but cross-link using UHF
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Sat},
+ *              message = "3U CubeSats can only cross-link using UHF.")
+ *         pattern threeUCubeSatWithNonUhfCrossLink(Sat : Spacecraft) {
+ *              Spacecraft.kind(Sat, SpacecraftKind::CubeSat3U);
+ *              CommunicatingElement.commSubsystem(Sat, SourceComm);
+ *              neg find commSubsystemBandUhf(SourceComm);
+ *              DirectedCommunicationLink.source(Link, SourceComm);
+ *              DirectedCommunicationLink.target(Link, TargetComm);
+ *              CommunicatingElement.commSubsystem(Target, TargetComm);
+ *              neg find groundStationNetwork(Target);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class ThreeUCubeSatWithNonUhfCrossLink extends BaseGeneratedEMFQuerySpecification<ThreeUCubeSatWithNonUhfCrossLink.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.threeUCubeSatWithNonUhfCrossLink pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private Spacecraft fSat;
+    
+    private static List<String> parameterNames = makeImmutableList("Sat");
+    
+    private Match(final Spacecraft pSat) {
+      this.fSat = pSat;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Sat".equals(parameterName)) return this.fSat;
+      return null;
+    }
+    
+    public Spacecraft getSat() {
+      return this.fSat;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Sat".equals(parameterName) ) {
+          this.fSat = (Spacecraft) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setSat(final Spacecraft pSat) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fSat = pSat;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.threeUCubeSatWithNonUhfCrossLink";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return ThreeUCubeSatWithNonUhfCrossLink.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fSat};
+    }
+    
+    @Override
+    public ThreeUCubeSatWithNonUhfCrossLink.Match toImmutable() {
+      return isMutable() ? newMatch(fSat) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Sat\"=" + prettyPrintValue(fSat));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fSat);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof ThreeUCubeSatWithNonUhfCrossLink.Match)) {
+          ThreeUCubeSatWithNonUhfCrossLink.Match other = (ThreeUCubeSatWithNonUhfCrossLink.Match) obj;
+          return Objects.equals(fSat, other.fSat);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public ThreeUCubeSatWithNonUhfCrossLink specification() {
+      return ThreeUCubeSatWithNonUhfCrossLink.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static ThreeUCubeSatWithNonUhfCrossLink.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static ThreeUCubeSatWithNonUhfCrossLink.Match newMutableMatch(final Spacecraft pSat) {
+      return new Mutable(pSat);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static ThreeUCubeSatWithNonUhfCrossLink.Match newMatch(final Spacecraft pSat) {
+      return new Immutable(pSat);
+    }
+    
+    private static final class Mutable extends ThreeUCubeSatWithNonUhfCrossLink.Match {
+      Mutable(final Spacecraft pSat) {
+        super(pSat);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends ThreeUCubeSatWithNonUhfCrossLink.Match {
+      Immutable(final Spacecraft pSat) {
+        super(pSat);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.threeUCubeSatWithNonUhfCrossLink pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // 3U CubeSats are assumed to only be able to downlink to Earth using an X-band trasmitter,
+   * // but cross-link using UHF
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Sat},
+   *    message = "3U CubeSats can only cross-link using UHF.")
+   * pattern threeUCubeSatWithNonUhfCrossLink(Sat : Spacecraft) {
+   *    Spacecraft.kind(Sat, SpacecraftKind::CubeSat3U);
+   *    CommunicatingElement.commSubsystem(Sat, SourceComm);
+   *    neg find commSubsystemBandUhf(SourceComm);
+   *    DirectedCommunicationLink.source(Link, SourceComm);
+   *    DirectedCommunicationLink.target(Link, TargetComm);
+   *    CommunicatingElement.commSubsystem(Target, TargetComm);
+   *    neg find groundStationNetwork(Target);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see ThreeUCubeSatWithNonUhfCrossLink
+   * 
+   */
+  public static class Matcher extends BaseMatcher<ThreeUCubeSatWithNonUhfCrossLink.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static ThreeUCubeSatWithNonUhfCrossLink.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static ThreeUCubeSatWithNonUhfCrossLink.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_SAT = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(ThreeUCubeSatWithNonUhfCrossLink.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<ThreeUCubeSatWithNonUhfCrossLink.Match> getAllMatches(final Spacecraft pSat) {
+      return rawStreamAllMatches(new Object[]{pSat}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<ThreeUCubeSatWithNonUhfCrossLink.Match> streamAllMatches(final Spacecraft pSat) {
+      return rawStreamAllMatches(new Object[]{pSat});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<ThreeUCubeSatWithNonUhfCrossLink.Match> getOneArbitraryMatch(final Spacecraft pSat) {
+      return rawGetOneArbitraryMatch(new Object[]{pSat});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final Spacecraft pSat) {
+      return rawHasMatch(new Object[]{pSat});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final Spacecraft pSat) {
+      return rawCountMatches(new Object[]{pSat});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final Spacecraft pSat, final Consumer<? super ThreeUCubeSatWithNonUhfCrossLink.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pSat}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pSat the fixed value of pattern parameter Sat, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public ThreeUCubeSatWithNonUhfCrossLink.Match newMatch(final Spacecraft pSat) {
+      return ThreeUCubeSatWithNonUhfCrossLink.Match.newMatch(pSat);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Sat.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<Spacecraft> rawStreamAllValuesOfSat(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_SAT, parameters).map(Spacecraft.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Sat.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<Spacecraft> getAllValuesOfSat() {
+      return rawStreamAllValuesOfSat(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Sat.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<Spacecraft> streamAllValuesOfSat() {
+      return rawStreamAllValuesOfSat(emptyArray());
+    }
+    
+    @Override
+    protected ThreeUCubeSatWithNonUhfCrossLink.Match tupleToMatch(final Tuple t) {
+      try {
+          return ThreeUCubeSatWithNonUhfCrossLink.Match.newMatch((Spacecraft) t.get(POSITION_SAT));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected ThreeUCubeSatWithNonUhfCrossLink.Match arrayToMatch(final Object[] match) {
+      try {
+          return ThreeUCubeSatWithNonUhfCrossLink.Match.newMatch((Spacecraft) match[POSITION_SAT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected ThreeUCubeSatWithNonUhfCrossLink.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return ThreeUCubeSatWithNonUhfCrossLink.Match.newMutableMatch((Spacecraft) match[POSITION_SAT]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<ThreeUCubeSatWithNonUhfCrossLink.Matcher> querySpecification() {
+      return ThreeUCubeSatWithNonUhfCrossLink.instance();
+    }
+  }
+  
+  private ThreeUCubeSatWithNonUhfCrossLink() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static ThreeUCubeSatWithNonUhfCrossLink instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected ThreeUCubeSatWithNonUhfCrossLink.Matcher instantiate(final ViatraQueryEngine engine) {
+    return ThreeUCubeSatWithNonUhfCrossLink.Matcher.on(engine);
+  }
+  
+  @Override
+  public ThreeUCubeSatWithNonUhfCrossLink.Matcher instantiate() {
+    return ThreeUCubeSatWithNonUhfCrossLink.Matcher.create();
+  }
+  
+  @Override
+  public ThreeUCubeSatWithNonUhfCrossLink.Match newEmptyMatch() {
+    return ThreeUCubeSatWithNonUhfCrossLink.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public ThreeUCubeSatWithNonUhfCrossLink.Match newMatch(final Object... parameters) {
+    return ThreeUCubeSatWithNonUhfCrossLink.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.ThreeUCubeSatWithNonUhfCrossLink (visibility: PUBLIC, simpleName: ThreeUCubeSatWithNonUhfCrossLink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.ThreeUCubeSatWithNonUhfCrossLink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.ThreeUCubeSatWithNonUhfCrossLink (visibility: PUBLIC, simpleName: ThreeUCubeSatWithNonUhfCrossLink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.ThreeUCubeSatWithNonUhfCrossLink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final ThreeUCubeSatWithNonUhfCrossLink INSTANCE = new ThreeUCubeSatWithNonUhfCrossLink();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final ThreeUCubeSatWithNonUhfCrossLink.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Sat = new PParameter("Sat", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Sat);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.threeUCubeSatWithNonUhfCrossLink";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Sat");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Sat = body.getOrCreateVariableByName("Sat");
+          PVariable var_SourceComm = body.getOrCreateVariableByName("SourceComm");
+          PVariable var_Link = body.getOrCreateVariableByName("Link");
+          PVariable var_TargetComm = body.getOrCreateVariableByName("TargetComm");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Sat, parameter_Sat)
+          ));
+          //    Spacecraft.kind(Sat, SpacecraftKind::CubeSat3U)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "SpacecraftKind", "CubeSat3U").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    CommunicatingElement.commSubsystem(Sat, SourceComm)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_2_, var_SourceComm);
+          //    neg find commSubsystemBandUhf(SourceComm)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_SourceComm), CommSubsystemBandUhf.instance().getInternalQueryRepresentation());
+          //    DirectedCommunicationLink.source(Link, SourceComm)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "source")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_3_, var_SourceComm);
+          //    DirectedCommunicationLink.target(Link, TargetComm)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_4_ = body.getOrCreateVariableByName(".virtual{4}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_4_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "target")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_4_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_4_, var_TargetComm);
+          //    CommunicatingElement.commSubsystem(Target, TargetComm)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_5_ = body.getOrCreateVariableByName(".virtual{5}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target, var__virtual_5_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_5_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_5_, var_TargetComm);
+          //    neg find groundStationNetwork(Target)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Target), GroundStationNetwork.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Sat")
+                              }));
+          annotation.addAttribute("message", "3U CubeSats can only cross-link using UHF.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/TimeMetric.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/TimeMetric.java
new file mode 100644
index 00000000..45d4cc35
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/TimeMetric.java
@@ -0,0 +1,544 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionTime;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // Time
+ *         
+ *         pattern timeMetric(Time : java Double) {
+ *              Time == sum find missionTime(_, #_);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class TimeMetric extends BaseGeneratedEMFQuerySpecification<TimeMetric.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.timeMetric pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private Double fTime;
+    
+    private static List<String> parameterNames = makeImmutableList("Time");
+    
+    private Match(final Double pTime) {
+      this.fTime = pTime;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Time".equals(parameterName)) return this.fTime;
+      return null;
+    }
+    
+    public Double getTime() {
+      return this.fTime;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Time".equals(parameterName) ) {
+          this.fTime = (Double) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setTime(final Double pTime) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fTime = pTime;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.timeMetric";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return TimeMetric.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fTime};
+    }
+    
+    @Override
+    public TimeMetric.Match toImmutable() {
+      return isMutable() ? newMatch(fTime) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Time\"=" + prettyPrintValue(fTime));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fTime);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof TimeMetric.Match)) {
+          TimeMetric.Match other = (TimeMetric.Match) obj;
+          return Objects.equals(fTime, other.fTime);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public TimeMetric specification() {
+      return TimeMetric.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static TimeMetric.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static TimeMetric.Match newMutableMatch(final Double pTime) {
+      return new Mutable(pTime);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static TimeMetric.Match newMatch(final Double pTime) {
+      return new Immutable(pTime);
+    }
+    
+    private static final class Mutable extends TimeMetric.Match {
+      Mutable(final Double pTime) {
+        super(pTime);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends TimeMetric.Match {
+      Immutable(final Double pTime) {
+        super(pTime);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.timeMetric pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // Time
+   * 
+   * pattern timeMetric(Time : java Double) {
+   *    Time == sum find missionTime(_, #_);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see TimeMetric
+   * 
+   */
+  public static class Matcher extends BaseMatcher<TimeMetric.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static TimeMetric.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static TimeMetric.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_TIME = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(TimeMetric.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<TimeMetric.Match> getAllMatches(final Double pTime) {
+      return rawStreamAllMatches(new Object[]{pTime}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<TimeMetric.Match> streamAllMatches(final Double pTime) {
+      return rawStreamAllMatches(new Object[]{pTime});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<TimeMetric.Match> getOneArbitraryMatch(final Double pTime) {
+      return rawGetOneArbitraryMatch(new Object[]{pTime});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final Double pTime) {
+      return rawHasMatch(new Object[]{pTime});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final Double pTime) {
+      return rawCountMatches(new Object[]{pTime});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final Double pTime, final Consumer<? super TimeMetric.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pTime}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pTime the fixed value of pattern parameter Time, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public TimeMetric.Match newMatch(final Double pTime) {
+      return TimeMetric.Match.newMatch(pTime);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Time.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<Double> rawStreamAllValuesOfTime(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_TIME, parameters).map(Double.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Time.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<Double> getAllValuesOfTime() {
+      return rawStreamAllValuesOfTime(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Time.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<Double> streamAllValuesOfTime() {
+      return rawStreamAllValuesOfTime(emptyArray());
+    }
+    
+    @Override
+    protected TimeMetric.Match tupleToMatch(final Tuple t) {
+      try {
+          return TimeMetric.Match.newMatch((Double) t.get(POSITION_TIME));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected TimeMetric.Match arrayToMatch(final Object[] match) {
+      try {
+          return TimeMetric.Match.newMatch((Double) match[POSITION_TIME]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected TimeMetric.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return TimeMetric.Match.newMutableMatch((Double) match[POSITION_TIME]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<TimeMetric.Matcher> querySpecification() {
+      return TimeMetric.instance();
+    }
+  }
+  
+  private TimeMetric() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static TimeMetric instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected TimeMetric.Matcher instantiate(final ViatraQueryEngine engine) {
+    return TimeMetric.Matcher.on(engine);
+  }
+  
+  @Override
+  public TimeMetric.Matcher instantiate() {
+    return TimeMetric.Matcher.create();
+  }
+  
+  @Override
+  public TimeMetric.Match newEmptyMatch() {
+    return TimeMetric.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public TimeMetric.Match newMatch(final Object... parameters) {
+    return TimeMetric.Match.newMatch((java.lang.Double) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.TimeMetric (visibility: PUBLIC, simpleName: TimeMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.TimeMetric, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.TimeMetric (visibility: PUBLIC, simpleName: TimeMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.TimeMetric, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final TimeMetric INSTANCE = new TimeMetric();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final TimeMetric.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Time = new PParameter("Time", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Time);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.timeMetric";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Time");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Time = body.getOrCreateVariableByName("Time");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Time), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Time, parameter_Time)
+          ));
+          //    Time == sum find missionTime(_, #_)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new AggregatorConstraint(new sum().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var___0_, var___1_), MissionTime.instance().getInternalQueryRepresentation(), var__virtual_0_, 1);
+          new Equality(body, var_Time, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/UhfAntennaGainNotLow.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/UhfAntennaGainNotLow.java
new file mode 100644
index 00000000..62222ded
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/UhfAntennaGainNotLow.java
@@ -0,0 +1,576 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainLow;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // UHF-band transmitters may only be combined with a low gain antenna
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Comm},
+ *              message = "UHF transceiver must be combined with a low gain antenna.")
+ *         pattern uhfAntennaGainNotLow(Comm : CommSubsystem) {
+ *              CommSubsystem.band(Comm, TransceiverBand::UHF);
+ *              // VIATRA will fail to infer a type constraint for the virtual variable introduced
+ *              // when an enum literal appears in a negative pattern call, so we use a helper pattern
+ *              // instead of neg find commSubsystemGain(Comm, AntennaGain::LOW);
+ *              neg find commSubsystemGainLow(Comm);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class UhfAntennaGainNotLow extends BaseGeneratedEMFQuerySpecification<UhfAntennaGainNotLow.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.uhfAntennaGainNotLow pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private CommSubsystem fComm;
+    
+    private static List<String> parameterNames = makeImmutableList("Comm");
+    
+    private Match(final CommSubsystem pComm) {
+      this.fComm = pComm;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Comm".equals(parameterName)) return this.fComm;
+      return null;
+    }
+    
+    public CommSubsystem getComm() {
+      return this.fComm;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Comm".equals(parameterName) ) {
+          this.fComm = (CommSubsystem) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setComm(final CommSubsystem pComm) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fComm = pComm;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.uhfAntennaGainNotLow";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return UhfAntennaGainNotLow.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fComm};
+    }
+    
+    @Override
+    public UhfAntennaGainNotLow.Match toImmutable() {
+      return isMutable() ? newMatch(fComm) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Comm\"=" + prettyPrintValue(fComm));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fComm);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof UhfAntennaGainNotLow.Match)) {
+          UhfAntennaGainNotLow.Match other = (UhfAntennaGainNotLow.Match) obj;
+          return Objects.equals(fComm, other.fComm);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public UhfAntennaGainNotLow specification() {
+      return UhfAntennaGainNotLow.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static UhfAntennaGainNotLow.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static UhfAntennaGainNotLow.Match newMutableMatch(final CommSubsystem pComm) {
+      return new Mutable(pComm);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static UhfAntennaGainNotLow.Match newMatch(final CommSubsystem pComm) {
+      return new Immutable(pComm);
+    }
+    
+    private static final class Mutable extends UhfAntennaGainNotLow.Match {
+      Mutable(final CommSubsystem pComm) {
+        super(pComm);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends UhfAntennaGainNotLow.Match {
+      Immutable(final CommSubsystem pComm) {
+        super(pComm);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.uhfAntennaGainNotLow pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // UHF-band transmitters may only be combined with a low gain antenna
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Comm},
+   *    message = "UHF transceiver must be combined with a low gain antenna.")
+   * pattern uhfAntennaGainNotLow(Comm : CommSubsystem) {
+   *    CommSubsystem.band(Comm, TransceiverBand::UHF);
+   *    // VIATRA will fail to infer a type constraint for the virtual variable introduced
+   *    // when an enum literal appears in a negative pattern call, so we use a helper pattern
+   *    // instead of neg find commSubsystemGain(Comm, AntennaGain::LOW);
+   *    neg find commSubsystemGainLow(Comm);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see UhfAntennaGainNotLow
+   * 
+   */
+  public static class Matcher extends BaseMatcher<UhfAntennaGainNotLow.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static UhfAntennaGainNotLow.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static UhfAntennaGainNotLow.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_COMM = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(UhfAntennaGainNotLow.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<UhfAntennaGainNotLow.Match> getAllMatches(final CommSubsystem pComm) {
+      return rawStreamAllMatches(new Object[]{pComm}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<UhfAntennaGainNotLow.Match> streamAllMatches(final CommSubsystem pComm) {
+      return rawStreamAllMatches(new Object[]{pComm});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<UhfAntennaGainNotLow.Match> getOneArbitraryMatch(final CommSubsystem pComm) {
+      return rawGetOneArbitraryMatch(new Object[]{pComm});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final CommSubsystem pComm) {
+      return rawHasMatch(new Object[]{pComm});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final CommSubsystem pComm) {
+      return rawCountMatches(new Object[]{pComm});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final CommSubsystem pComm, final Consumer<? super UhfAntennaGainNotLow.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pComm}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public UhfAntennaGainNotLow.Match newMatch(final CommSubsystem pComm) {
+      return UhfAntennaGainNotLow.Match.newMatch(pComm);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<CommSubsystem> rawStreamAllValuesOfComm(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_COMM, parameters).map(CommSubsystem.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<CommSubsystem> getAllValuesOfComm() {
+      return rawStreamAllValuesOfComm(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<CommSubsystem> streamAllValuesOfComm() {
+      return rawStreamAllValuesOfComm(emptyArray());
+    }
+    
+    @Override
+    protected UhfAntennaGainNotLow.Match tupleToMatch(final Tuple t) {
+      try {
+          return UhfAntennaGainNotLow.Match.newMatch((CommSubsystem) t.get(POSITION_COMM));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected UhfAntennaGainNotLow.Match arrayToMatch(final Object[] match) {
+      try {
+          return UhfAntennaGainNotLow.Match.newMatch((CommSubsystem) match[POSITION_COMM]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected UhfAntennaGainNotLow.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return UhfAntennaGainNotLow.Match.newMutableMatch((CommSubsystem) match[POSITION_COMM]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<UhfAntennaGainNotLow.Matcher> querySpecification() {
+      return UhfAntennaGainNotLow.instance();
+    }
+  }
+  
+  private UhfAntennaGainNotLow() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static UhfAntennaGainNotLow instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected UhfAntennaGainNotLow.Matcher instantiate(final ViatraQueryEngine engine) {
+    return UhfAntennaGainNotLow.Matcher.on(engine);
+  }
+  
+  @Override
+  public UhfAntennaGainNotLow.Matcher instantiate() {
+    return UhfAntennaGainNotLow.Matcher.create();
+  }
+  
+  @Override
+  public UhfAntennaGainNotLow.Match newEmptyMatch() {
+    return UhfAntennaGainNotLow.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public UhfAntennaGainNotLow.Match newMatch(final Object... parameters) {
+    return UhfAntennaGainNotLow.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.UhfAntennaGainNotLow (visibility: PUBLIC, simpleName: UhfAntennaGainNotLow, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.UhfAntennaGainNotLow, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.UhfAntennaGainNotLow (visibility: PUBLIC, simpleName: UhfAntennaGainNotLow, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.UhfAntennaGainNotLow, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final UhfAntennaGainNotLow INSTANCE = new UhfAntennaGainNotLow();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final UhfAntennaGainNotLow.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.uhfAntennaGainNotLow";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm)
+          ));
+          //    CommSubsystem.band(Comm, TransceiverBand::UHF)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "UHF").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    // VIATRA will fail to infer a type constraint for the virtual variable introduced      // when an enum literal appears in a negative pattern call, so we use a helper pattern  // instead of neg find commSubsystemGain(Comm, AntennaGain::LOW);       neg find commSubsystemGainLow(Comm)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Comm), CommSubsystemGainLow.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Comm")
+                              }));
+          annotation.addAttribute("message", "UHF transceiver must be combined with a low gain antenna.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/XAntennaGainNotMedium.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/XAntennaGainNotMedium.java
new file mode 100644
index 00000000..dbe6d26e
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/XAntennaGainNotMedium.java
@@ -0,0 +1,570 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainMedium;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         // X-band transmitters may only be combined with a medium gain antenna
+ *         
+ *         {@literal @}Constraint(severity = "error", key = {Comm},
+ *              message = "X-band transceiver must be combined with a medium gain antenna.")
+ *         pattern xAntennaGainNotMedium(Comm : CommSubsystem) {
+ *              CommSubsystem.band(Comm, TransceiverBand::X);
+ *              neg find commSubsystemGainMedium(Comm);
+ *         }
+ * </pre></code>
+ * 
+ * @see Matcher
+ * @see Match
+ * 
+ */
+@SuppressWarnings("all")
+public final class XAntennaGainNotMedium extends BaseGeneratedEMFQuerySpecification<XAntennaGainNotMedium.Matcher> {
+  /**
+   * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.xAntennaGainNotMedium pattern,
+   * to be used in conjunction with {@link Matcher}.
+   * 
+   * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+   * Each instance is a (possibly partial) substitution of pattern parameters,
+   * usable to represent a match of the pattern in the result of a query,
+   * or to specify the bound (fixed) input parameters when issuing a query.
+   * 
+   * @see Matcher
+   * 
+   */
+  public static abstract class Match extends BasePatternMatch {
+    private CommSubsystem fComm;
+    
+    private static List<String> parameterNames = makeImmutableList("Comm");
+    
+    private Match(final CommSubsystem pComm) {
+      this.fComm = pComm;
+    }
+    
+    @Override
+    public Object get(final String parameterName) {
+      if ("Comm".equals(parameterName)) return this.fComm;
+      return null;
+    }
+    
+    public CommSubsystem getComm() {
+      return this.fComm;
+    }
+    
+    @Override
+    public boolean set(final String parameterName, final Object newValue) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      if ("Comm".equals(parameterName) ) {
+          this.fComm = (CommSubsystem) newValue;
+          return true;
+      }
+      return false;
+    }
+    
+    public void setComm(final CommSubsystem pComm) {
+      if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+      this.fComm = pComm;
+    }
+    
+    @Override
+    public String patternName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.xAntennaGainNotMedium";
+    }
+    
+    @Override
+    public List<String> parameterNames() {
+      return XAntennaGainNotMedium.Match.parameterNames;
+    }
+    
+    @Override
+    public Object[] toArray() {
+      return new Object[]{fComm};
+    }
+    
+    @Override
+    public XAntennaGainNotMedium.Match toImmutable() {
+      return isMutable() ? newMatch(fComm) : this;
+    }
+    
+    @Override
+    public String prettyPrint() {
+      StringBuilder result = new StringBuilder();
+      result.append("\"Comm\"=" + prettyPrintValue(fComm));
+      return result.toString();
+    }
+    
+    @Override
+    public int hashCode() {
+      return Objects.hash(fComm);
+    }
+    
+    @Override
+    public boolean equals(final Object obj) {
+      if (this == obj)
+          return true;
+      if (obj == null) {
+          return false;
+      }
+      if ((obj instanceof XAntennaGainNotMedium.Match)) {
+          XAntennaGainNotMedium.Match other = (XAntennaGainNotMedium.Match) obj;
+          return Objects.equals(fComm, other.fComm);
+      } else {
+          // this should be infrequent
+          if (!(obj instanceof IPatternMatch)) {
+              return false;
+          }
+          IPatternMatch otherSig  = (IPatternMatch) obj;
+          return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+      }
+    }
+    
+    @Override
+    public XAntennaGainNotMedium specification() {
+      return XAntennaGainNotMedium.instance();
+    }
+    
+    /**
+     * Returns an empty, mutable match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @return the empty match.
+     * 
+     */
+    public static XAntennaGainNotMedium.Match newEmptyMatch() {
+      return new Mutable(null);
+    }
+    
+    /**
+     * Returns a mutable (partial) match.
+     * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+     * 
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the new, mutable (partial) match object.
+     * 
+     */
+    public static XAntennaGainNotMedium.Match newMutableMatch(final CommSubsystem pComm) {
+      return new Mutable(pComm);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public static XAntennaGainNotMedium.Match newMatch(final CommSubsystem pComm) {
+      return new Immutable(pComm);
+    }
+    
+    private static final class Mutable extends XAntennaGainNotMedium.Match {
+      Mutable(final CommSubsystem pComm) {
+        super(pComm);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return true;
+      }
+    }
+    
+    private static final class Immutable extends XAntennaGainNotMedium.Match {
+      Immutable(final CommSubsystem pComm) {
+        super(pComm);
+      }
+      
+      @Override
+      public boolean isMutable() {
+        return false;
+      }
+    }
+  }
+  
+  /**
+   * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.satellite.queries.xAntennaGainNotMedium pattern,
+   * providing pattern-specific query methods.
+   * 
+   * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+   * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+   * 
+   * <p>Matches of the pattern will be represented as {@link Match}.
+   * 
+   * <p>Original source:
+   * <code><pre>
+   * // X-band transmitters may only be combined with a medium gain antenna
+   * 
+   * {@literal @}Constraint(severity = "error", key = {Comm},
+   *    message = "X-band transceiver must be combined with a medium gain antenna.")
+   * pattern xAntennaGainNotMedium(Comm : CommSubsystem) {
+   *    CommSubsystem.band(Comm, TransceiverBand::X);
+   *    neg find commSubsystemGainMedium(Comm);
+   * }
+   * </pre></code>
+   * 
+   * @see Match
+   * @see XAntennaGainNotMedium
+   * 
+   */
+  public static class Matcher extends BaseMatcher<XAntennaGainNotMedium.Match> {
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    public static XAntennaGainNotMedium.Matcher on(final ViatraQueryEngine engine) {
+      // check if matcher already exists
+      Matcher matcher = engine.getExistingMatcher(querySpecification());
+      if (matcher == null) {
+          matcher = (Matcher)engine.getMatcher(querySpecification());
+      }
+      return matcher;
+    }
+    
+    /**
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * @return an initialized matcher
+     * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+     * 
+     */
+    public static XAntennaGainNotMedium.Matcher create() {
+      return new Matcher();
+    }
+    
+    private static final int POSITION_COMM = 0;
+    
+    private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(XAntennaGainNotMedium.Matcher.class);
+    
+    /**
+     * Initializes the pattern matcher within an existing VIATRA Query engine.
+     * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+     * 
+     * @param engine the existing VIATRA Query engine in which this matcher will be created.
+     * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+     * 
+     */
+    private Matcher() {
+      super(querySpecification());
+    }
+    
+    /**
+     * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return matches represented as a Match object.
+     * 
+     */
+    public Collection<XAntennaGainNotMedium.Match> getAllMatches(final CommSubsystem pComm) {
+      return rawStreamAllMatches(new Object[]{pComm}).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+     * </p>
+     * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
+     * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
+     * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return a stream of matches represented as a Match object.
+     * 
+     */
+    public Stream<XAntennaGainNotMedium.Match> streamAllMatches(final CommSubsystem pComm) {
+      return rawStreamAllMatches(new Object[]{pComm});
+    }
+    
+    /**
+     * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return a match represented as a Match object, or null if no match is found.
+     * 
+     */
+    public Optional<XAntennaGainNotMedium.Match> getOneArbitraryMatch(final CommSubsystem pComm) {
+      return rawGetOneArbitraryMatch(new Object[]{pComm});
+    }
+    
+    /**
+     * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+     * under any possible substitution of the unspecified parameters (if any).
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return true if the input is a valid (partial) match of the pattern.
+     * 
+     */
+    public boolean hasMatch(final CommSubsystem pComm) {
+      return rawHasMatch(new Object[]{pComm});
+    }
+    
+    /**
+     * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the number of pattern matches found.
+     * 
+     */
+    public int countMatches(final CommSubsystem pComm) {
+      return rawCountMatches(new Object[]{pComm});
+    }
+    
+    /**
+     * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+     * Neither determinism nor randomness of selection is guaranteed.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @param processor the action that will process the selected match.
+     * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+     * 
+     */
+    public boolean forOneArbitraryMatch(final CommSubsystem pComm, final Consumer<? super XAntennaGainNotMedium.Match> processor) {
+      return rawForOneArbitraryMatch(new Object[]{pComm}, processor);
+    }
+    
+    /**
+     * Returns a new (partial) match.
+     * This can be used e.g. to call the matcher with a partial match.
+     * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+     * @param pComm the fixed value of pattern parameter Comm, or null if not bound.
+     * @return the (partial) match object.
+     * 
+     */
+    public XAntennaGainNotMedium.Match newMatch(final CommSubsystem pComm) {
+      return XAntennaGainNotMedium.Match.newMatch(pComm);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    protected Stream<CommSubsystem> rawStreamAllValuesOfComm(final Object[] parameters) {
+      return rawStreamAllValues(POSITION_COMM, parameters).map(CommSubsystem.class::cast);
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Set<CommSubsystem> getAllValuesOfComm() {
+      return rawStreamAllValuesOfComm(emptyArray()).collect(Collectors.toSet());
+    }
+    
+    /**
+     * Retrieve the set of values that occur in matches for Comm.
+     * @return the Set of all values or empty set if there are no matches
+     * 
+     */
+    public Stream<CommSubsystem> streamAllValuesOfComm() {
+      return rawStreamAllValuesOfComm(emptyArray());
+    }
+    
+    @Override
+    protected XAntennaGainNotMedium.Match tupleToMatch(final Tuple t) {
+      try {
+          return XAntennaGainNotMedium.Match.newMatch((CommSubsystem) t.get(POSITION_COMM));
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in tuple not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected XAntennaGainNotMedium.Match arrayToMatch(final Object[] match) {
+      try {
+          return XAntennaGainNotMedium.Match.newMatch((CommSubsystem) match[POSITION_COMM]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    @Override
+    protected XAntennaGainNotMedium.Match arrayToMatchMutable(final Object[] match) {
+      try {
+          return XAntennaGainNotMedium.Match.newMutableMatch((CommSubsystem) match[POSITION_COMM]);
+      } catch(ClassCastException e) {
+          LOGGER.error("Element(s) in array not properly typed!",e);
+          return null;
+      }
+    }
+    
+    /**
+     * @return the singleton instance of the query specification of this pattern
+     * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+     * 
+     */
+    public static IQuerySpecification<XAntennaGainNotMedium.Matcher> querySpecification() {
+      return XAntennaGainNotMedium.instance();
+    }
+  }
+  
+  private XAntennaGainNotMedium() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static XAntennaGainNotMedium instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  @Override
+  protected XAntennaGainNotMedium.Matcher instantiate(final ViatraQueryEngine engine) {
+    return XAntennaGainNotMedium.Matcher.on(engine);
+  }
+  
+  @Override
+  public XAntennaGainNotMedium.Matcher instantiate() {
+    return XAntennaGainNotMedium.Matcher.create();
+  }
+  
+  @Override
+  public XAntennaGainNotMedium.Match newEmptyMatch() {
+    return XAntennaGainNotMedium.Match.newEmptyMatch();
+  }
+  
+  @Override
+  public XAntennaGainNotMedium.Match newMatch(final Object... parameters) {
+    return XAntennaGainNotMedium.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem) parameters[0]);
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.XAntennaGainNotMedium (visibility: PUBLIC, simpleName: XAntennaGainNotMedium, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.XAntennaGainNotMedium, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.XAntennaGainNotMedium (visibility: PUBLIC, simpleName: XAntennaGainNotMedium, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.XAntennaGainNotMedium, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final XAntennaGainNotMedium INSTANCE = new XAntennaGainNotMedium();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final XAntennaGainNotMedium.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PUBLIC);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.xAntennaGainNotMedium";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm)
+          ));
+          //    CommSubsystem.band(Comm, TransceiverBand::X)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "X").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    neg find commSubsystemGainMedium(Comm)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Comm), CommSubsystemGainMedium.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      {
+          PAnnotation annotation = new PAnnotation("Constraint");
+          annotation.addAttribute("severity", "error");
+          annotation.addAttribute("key", Arrays.asList(new Object[] {
+                              new ParameterReference("Comm")
+                              }));
+          annotation.addAttribute("message", "X-band transceiver must be combined with a medium gain antenna.");
+          addAnnotation(annotation);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/.gitignore b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/.gitignore
new file mode 100644
index 00000000..f72ce8f1
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/.gitignore
@@ -0,0 +1,33 @@
+/.CommunicationLink.java._trace
+/.SatelliteQueriesAll.java._trace
+/.IndirectCommunicationLink.java._trace
+/.DirectCommunicationLink.java._trace
+/.SpacecraftWithInterferometryPayload.java._trace
+/.SingleInterferometryPayload.java._trace
+/.AtLeastTwoInterferometryPayloads.java._trace
+/.DirectCommunicationLink2.java._trace
+/.CommSubsystemBand.java._trace
+/.CommSubsystemGain.java._trace
+/.GroundStationNetwork.java._trace
+/.SmallSat.java._trace
+/.CommSubsystemGainLow.java._trace
+/.CommSubsystemGainMedium.java._trace
+/.CommSubsystemBandUhf.java._trace
+/.MissionCoverage.java._trace
+/.SatelliteMetricsAll.java._trace
+/.MissionTime.java._trace
+/.TimeMetric.java._trace
+/.TransmitTime.java._trace
+/.TransmitRate.java._trace
+/.SpacecraftUplink.java._trace
+/.MissionScienceData.java._trace
+/.IndirectScienceData.java._trace
+/.ScienceData.java._trace
+/.IncomingData.java._trace
+/.MissionCost.java._trace
+/.BasePrice.java._trace
+/.SpacecraftOfKind.java._trace
+/.InterferometryPayloadCost.java._trace
+/.AdditionalCommSubsystemCost.java._trace
+/.SpacecraftWithTwoCommSubsystems.java._trace
+/.SpacecraftCost.java._trace
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/AdditionalCommSubsystemCost.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/AdditionalCommSubsystemCost.java
new file mode 100644
index 00000000..61b1da52
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/AdditionalCommSubsystemCost.java
@@ -0,0 +1,173 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithTwoCommSubsystems;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern additionalCommSubsystemCost(Spacecraft : Spacecraft, Cost : java Double) {
+ *              find spacecraftWithTwoCommSubsystems(Spacecraft);
+ *              Cost == 100000.0;
+ *         } or {
+ *              neg find spacecraftWithTwoCommSubsystems(Spacecraft);
+ *              Cost == 0.0;
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class AdditionalCommSubsystemCost extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private AdditionalCommSubsystemCost() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static AdditionalCommSubsystemCost instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AdditionalCommSubsystemCost (visibility: PUBLIC, simpleName: AdditionalCommSubsystemCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AdditionalCommSubsystemCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AdditionalCommSubsystemCost (visibility: PUBLIC, simpleName: AdditionalCommSubsystemCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AdditionalCommSubsystemCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final AdditionalCommSubsystemCost INSTANCE = new AdditionalCommSubsystemCost();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final AdditionalCommSubsystemCost.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Cost = new PParameter("Cost", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_Cost);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.additionalCommSubsystemCost";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","Cost");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    find spacecraftWithTwoCommSubsystems(Spacecraft)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft), SpacecraftWithTwoCommSubsystems.instance().getInternalQueryRepresentation());
+          //    Cost == 100000.0
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, 100000.0);
+          new Equality(body, var_Cost, var__virtual_0_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    neg find spacecraftWithTwoCommSubsystems(Spacecraft)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var_Spacecraft), SpacecraftWithTwoCommSubsystems.instance().getInternalQueryRepresentation());
+          //    Cost == 0.0
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, 0.0);
+          new Equality(body, var_Cost, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1() {
+    return 100000.0;
+  }
+  
+  private static double evaluateExpression_2_1() {
+    return 0.0;
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/AtLeastTwoInterferometryPayloads.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/AtLeastTwoInterferometryPayloads.java
new file mode 100644
index 00000000..d560ac93
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/AtLeastTwoInterferometryPayloads.java
@@ -0,0 +1,138 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern atLeastTwoInterferometryPayloads(Mission : InterferometryMission) {
+ *              find spacecraftWithInterferometryPayload(Mission, Spacecraft1);
+ *              find spacecraftWithInterferometryPayload(Mission, Spacecraft2);
+ *              Spacecraft1 != Spacecraft2;
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class AtLeastTwoInterferometryPayloads extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private AtLeastTwoInterferometryPayloads() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static AtLeastTwoInterferometryPayloads instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AtLeastTwoInterferometryPayloads (visibility: PUBLIC, simpleName: AtLeastTwoInterferometryPayloads, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AtLeastTwoInterferometryPayloads, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AtLeastTwoInterferometryPayloads (visibility: PUBLIC, simpleName: AtLeastTwoInterferometryPayloads, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AtLeastTwoInterferometryPayloads, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final AtLeastTwoInterferometryPayloads INSTANCE = new AtLeastTwoInterferometryPayloads();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final AtLeastTwoInterferometryPayloads.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.atLeastTwoInterferometryPayloads";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Spacecraft1 = body.getOrCreateVariableByName("Spacecraft1");
+          PVariable var_Spacecraft2 = body.getOrCreateVariableByName("Spacecraft2");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission)
+          ));
+          //    find spacecraftWithInterferometryPayload(Mission, Spacecraft1)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Mission, var_Spacecraft1), SpacecraftWithInterferometryPayload.instance().getInternalQueryRepresentation());
+          //    find spacecraftWithInterferometryPayload(Mission, Spacecraft2)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Mission, var_Spacecraft2), SpacecraftWithInterferometryPayload.instance().getInternalQueryRepresentation());
+          //    Spacecraft1 != Spacecraft2
+          new Inequality(body, var_Spacecraft1, var_Spacecraft2);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/BasePrice.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/BasePrice.java
new file mode 100644
index 00000000..c70f4c8b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/BasePrice.java
@@ -0,0 +1,216 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern basePrice(Spacecraft : Spacecraft, BasePrice : java Double) {
+ *              Spacecraft.kind(Spacecraft, SpacecraftKind::CubeSat3U);
+ *              BasePrice == 250000.0;
+ *         } or {
+ *              Spacecraft.kind(Spacecraft, SpacecraftKind::CubeSat6U);
+ *              BasePrice == 750000.0;
+ *         } or {
+ *              Spacecraft.kind(Spacecraft, SpacecraftKind::SmallSat);
+ *              BasePrice == 3000000.0;
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class BasePrice extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private BasePrice() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static BasePrice instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.BasePrice (visibility: PUBLIC, simpleName: BasePrice, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.BasePrice, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.BasePrice (visibility: PUBLIC, simpleName: BasePrice, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.BasePrice, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final BasePrice INSTANCE = new BasePrice();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final BasePrice.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_BasePrice = new PParameter("BasePrice", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_BasePrice);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.basePrice";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","BasePrice");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_BasePrice = body.getOrCreateVariableByName("BasePrice");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_BasePrice), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_BasePrice, parameter_BasePrice)
+          ));
+          //    Spacecraft.kind(Spacecraft, SpacecraftKind::CubeSat3U)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "SpacecraftKind", "CubeSat3U").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    BasePrice == 250000.0
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ConstantValue(body, var__virtual_2_, 250000.0);
+          new Equality(body, var_BasePrice, var__virtual_2_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_BasePrice = body.getOrCreateVariableByName("BasePrice");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_BasePrice), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_BasePrice, parameter_BasePrice)
+          ));
+          //    Spacecraft.kind(Spacecraft, SpacecraftKind::CubeSat6U)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "SpacecraftKind", "CubeSat6U").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    BasePrice == 750000.0
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ConstantValue(body, var__virtual_2_, 750000.0);
+          new Equality(body, var_BasePrice, var__virtual_2_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_BasePrice = body.getOrCreateVariableByName("BasePrice");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_BasePrice), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_BasePrice, parameter_BasePrice)
+          ));
+          //    Spacecraft.kind(Spacecraft, SpacecraftKind::SmallSat)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "SpacecraftKind", "SmallSat").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          //    BasePrice == 3000000.0
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ConstantValue(body, var__virtual_2_, 3000000.0);
+          new Equality(body, var_BasePrice, var__virtual_2_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1() {
+    return 250000.0;
+  }
+  
+  private static double evaluateExpression_2_1() {
+    return 750000.0;
+  }
+  
+  private static double evaluateExpression_3_1() {
+    return 3000000.0;
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemBand.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemBand.java
new file mode 100644
index 00000000..a0009587
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemBand.java
@@ -0,0 +1,140 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern commSubsystemBand(Comm : CommSubsystem, Band : TransceiverBand) {
+ *              CommSubsystem.band(Comm, Band);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommSubsystemBand extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private CommSubsystemBand() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommSubsystemBand instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBand (visibility: PUBLIC, simpleName: CommSubsystemBand, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBand, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBand (visibility: PUBLIC, simpleName: CommSubsystemBand, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBand, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommSubsystemBand INSTANCE = new CommSubsystemBand();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommSubsystemBand.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Band = new PParameter("Band", "hu.bme.mit.inf.dslreasoner.domains.satellite.TransceiverBand", new EDataTypeInSlotsKey((EDataType)getClassifierLiteralSafe("http://www.example.org/satellite", "TransceiverBand")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm, parameter_Band);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.commSubsystemBand";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm","Band");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          PVariable var_Band = body.getOrCreateVariableByName("Band");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Band), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm),
+             new ExportedParameter(body, var_Band, parameter_Band)
+          ));
+          //    CommSubsystem.band(Comm, Band)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_0_, var_Band);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemBandUhf.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemBandUhf.java
new file mode 100644
index 00000000..51175ce3
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemBandUhf.java
@@ -0,0 +1,138 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern commSubsystemBandUhf(Comm : CommSubsystem) {
+ *              CommSubsystem.band(Comm, TransceiverBand::UHF);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommSubsystemBandUhf extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private CommSubsystemBandUhf() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommSubsystemBandUhf instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBandUhf (visibility: PUBLIC, simpleName: CommSubsystemBandUhf, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBandUhf, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBandUhf (visibility: PUBLIC, simpleName: CommSubsystemBandUhf, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBandUhf, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommSubsystemBandUhf INSTANCE = new CommSubsystemBandUhf();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommSubsystemBandUhf.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.commSubsystemBandUhf";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm)
+          ));
+          //    CommSubsystem.band(Comm, TransceiverBand::UHF)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "UHF").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGain.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGain.java
new file mode 100644
index 00000000..e2e0e2a1
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGain.java
@@ -0,0 +1,140 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern commSubsystemGain(Comm : CommSubsystem, Gain : AntennaGain) {
+ *              CommSubsystem.gain(Comm, Gain);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommSubsystemGain extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private CommSubsystemGain() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommSubsystemGain instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGain (visibility: PUBLIC, simpleName: CommSubsystemGain, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGain, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGain (visibility: PUBLIC, simpleName: CommSubsystemGain, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGain, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommSubsystemGain INSTANCE = new CommSubsystemGain();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommSubsystemGain.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Gain = new PParameter("Gain", "hu.bme.mit.inf.dslreasoner.domains.satellite.AntennaGain", new EDataTypeInSlotsKey((EDataType)getClassifierLiteralSafe("http://www.example.org/satellite", "AntennaGain")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm, parameter_Gain);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.commSubsystemGain";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm","Gain");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          PVariable var_Gain = body.getOrCreateVariableByName("Gain");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Gain), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "AntennaGain")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm),
+             new ExportedParameter(body, var_Gain, parameter_Gain)
+          ));
+          //    CommSubsystem.gain(Comm, Gain)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "gain")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "AntennaGain")));
+          new Equality(body, var__virtual_0_, var_Gain);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGainLow.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGainLow.java
new file mode 100644
index 00000000..04ee67da
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGainLow.java
@@ -0,0 +1,138 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern commSubsystemGainLow(Comm : CommSubsystem) {
+ *              CommSubsystem.gain(Comm, AntennaGain::LOW);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommSubsystemGainLow extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private CommSubsystemGainLow() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommSubsystemGainLow instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainLow (visibility: PUBLIC, simpleName: CommSubsystemGainLow, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainLow, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainLow (visibility: PUBLIC, simpleName: CommSubsystemGainLow, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainLow, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommSubsystemGainLow INSTANCE = new CommSubsystemGainLow();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommSubsystemGainLow.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.commSubsystemGainLow";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm)
+          ));
+          //    CommSubsystem.gain(Comm, AntennaGain::LOW)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "AntennaGain", "LOW").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "gain")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "AntennaGain")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGainMedium.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGainMedium.java
new file mode 100644
index 00000000..4b3bc03b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/CommSubsystemGainMedium.java
@@ -0,0 +1,138 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern commSubsystemGainMedium(Comm : CommSubsystem) {
+ *              CommSubsystem.gain(Comm, AntennaGain::MEDIUM);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class CommSubsystemGainMedium extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private CommSubsystemGainMedium() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static CommSubsystemGainMedium instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainMedium (visibility: PUBLIC, simpleName: CommSubsystemGainMedium, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainMedium, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainMedium (visibility: PUBLIC, simpleName: CommSubsystemGainMedium, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainMedium, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final CommSubsystemGainMedium INSTANCE = new CommSubsystemGainMedium();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final CommSubsystemGainMedium.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Comm = new PParameter("Comm", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommSubsystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommSubsystem")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Comm);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.commSubsystemGainMedium";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Comm");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Comm = body.getOrCreateVariableByName("Comm");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Comm, parameter_Comm)
+          ));
+          //    CommSubsystem.gain(Comm, AntennaGain::MEDIUM)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "AntennaGain", "MEDIUM").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Comm, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "gain")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "AntennaGain")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/DirectCommunicationLink.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/DirectCommunicationLink.java
new file mode 100644
index 00000000..d6f5c53b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/DirectCommunicationLink.java
@@ -0,0 +1,162 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern directCommunicationLink(Source : CommunicatingElement, Target : CommunicatingElement) {
+ *              DirectedCommunicationLink.source(Link, SourceSubsystem);
+ *              DirectedCommunicationLink.target(Link, TargetSubsystem);
+ *              CommunicatingElement.commSubsystem(Source, SourceSubsystem);
+ *              CommunicatingElement.commSubsystem(Target, TargetSubsystem);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class DirectCommunicationLink extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private DirectCommunicationLink() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static DirectCommunicationLink instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.DirectCommunicationLink (visibility: PUBLIC, simpleName: DirectCommunicationLink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.DirectCommunicationLink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.DirectCommunicationLink (visibility: PUBLIC, simpleName: DirectCommunicationLink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.DirectCommunicationLink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final DirectCommunicationLink INSTANCE = new DirectCommunicationLink();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final DirectCommunicationLink.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Source = new PParameter("Source", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommunicatingElement")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Target = new PParameter("Target", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommunicatingElement")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Source, parameter_Target);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.directCommunicationLink";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Source","Target");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Source = body.getOrCreateVariableByName("Source");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          PVariable var_Link = body.getOrCreateVariableByName("Link");
+          PVariable var_SourceSubsystem = body.getOrCreateVariableByName("SourceSubsystem");
+          PVariable var_TargetSubsystem = body.getOrCreateVariableByName("TargetSubsystem");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Source), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Source, parameter_Source),
+             new ExportedParameter(body, var_Target, parameter_Target)
+          ));
+          //    DirectedCommunicationLink.source(Link, SourceSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "source")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_0_, var_SourceSubsystem);
+          //    DirectedCommunicationLink.target(Link, TargetSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "target")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_1_, var_TargetSubsystem);
+          //    CommunicatingElement.commSubsystem(Source, SourceSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Source), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Source, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_2_, var_SourceSubsystem);
+          //    CommunicatingElement.commSubsystem(Target, TargetSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_3_, var_TargetSubsystem);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/GroundStationNetwork.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/GroundStationNetwork.java
new file mode 100644
index 00000000..93b1a01b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/GroundStationNetwork.java
@@ -0,0 +1,127 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern groundStationNetwork(Network : GroundStationNetwork) {
+ *              GroundStationNetwork(Network);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class GroundStationNetwork extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private GroundStationNetwork() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static GroundStationNetwork instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.GroundStationNetwork (visibility: PUBLIC, simpleName: GroundStationNetwork, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.GroundStationNetwork, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.GroundStationNetwork (visibility: PUBLIC, simpleName: GroundStationNetwork, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.GroundStationNetwork, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final GroundStationNetwork INSTANCE = new GroundStationNetwork();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final GroundStationNetwork.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Network = new PParameter("Network", "hu.bme.mit.inf.dslreasoner.domains.satellite.GroundStationNetwork", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "GroundStationNetwork")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Network);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.groundStationNetwork";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Network");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Network = body.getOrCreateVariableByName("Network");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Network), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "GroundStationNetwork")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Network, parameter_Network)
+          ));
+          //    GroundStationNetwork(Network)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Network), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "GroundStationNetwork")));
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/IncomingData.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/IncomingData.java
new file mode 100644
index 00000000..114bbf33
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/IncomingData.java
@@ -0,0 +1,145 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern incomingData(Spacecraft : Spacecraft, Source : Spacecraft, Data : java Double) {
+ *              find indirectCommunicationLink(Source, Spacecraft);
+ *              find scienceData(Source, Data);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class IncomingData extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private IncomingData() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static IncomingData instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IncomingData (visibility: PUBLIC, simpleName: IncomingData, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IncomingData, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IncomingData (visibility: PUBLIC, simpleName: IncomingData, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IncomingData, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final IncomingData INSTANCE = new IncomingData();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final IncomingData.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Source = new PParameter("Source", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Data = new PParameter("Data", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_Source, parameter_Data);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.incomingData";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","Source","Data");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Source = body.getOrCreateVariableByName("Source");
+          PVariable var_Data = body.getOrCreateVariableByName("Data");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Source), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Data), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Source, parameter_Source),
+             new ExportedParameter(body, var_Data, parameter_Data)
+          ));
+          //    find indirectCommunicationLink(Source, Spacecraft)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Source, var_Spacecraft), IndirectCommunicationLink.instance().getInternalQueryRepresentation());
+          //    find scienceData(Source, Data)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Source, var_Data), ScienceData.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/IndirectCommunicationLink.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/IndirectCommunicationLink.java
new file mode 100644
index 00000000..6d5e475c
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/IndirectCommunicationLink.java
@@ -0,0 +1,134 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.DirectCommunicationLink;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.BinaryTransitiveClosure;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern indirectCommunicationLink(Source : CommunicatingElement, Target : CommunicatingElement) {
+ *              find directCommunicationLink+(Source, Target);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class IndirectCommunicationLink extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private IndirectCommunicationLink() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static IndirectCommunicationLink instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink (visibility: PUBLIC, simpleName: IndirectCommunicationLink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink (visibility: PUBLIC, simpleName: IndirectCommunicationLink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final IndirectCommunicationLink INSTANCE = new IndirectCommunicationLink();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final IndirectCommunicationLink.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Source = new PParameter("Source", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommunicatingElement")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Target = new PParameter("Target", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommunicatingElement")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Source, parameter_Target);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.indirectCommunicationLink";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Source","Target");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Source = body.getOrCreateVariableByName("Source");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Source), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Source, parameter_Source),
+             new ExportedParameter(body, var_Target, parameter_Target)
+          ));
+          //    find directCommunicationLink+(Source, Target)
+          new BinaryTransitiveClosure(body, Tuples.flatTupleOf(var_Source, var_Target), DirectCommunicationLink.instance().getInternalQueryRepresentation());
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/InterferometryPayloadCost.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/InterferometryPayloadCost.java
new file mode 100644
index 00000000..205d896a
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/InterferometryPayloadCost.java
@@ -0,0 +1,175 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern interferometryPayloadCost(Spacecraft : Spacecraft, Cost : java Double) {
+ *              find spacecraftWithInterferometryPayload(_, Spacecraft);
+ *              Cost == 50000.0;
+ *         } or {
+ *              neg find spacecraftWithInterferometryPayload(_, Spacecraft);
+ *              Cost == 0.0;
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class InterferometryPayloadCost extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private InterferometryPayloadCost() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static InterferometryPayloadCost instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.InterferometryPayloadCost (visibility: PUBLIC, simpleName: InterferometryPayloadCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.InterferometryPayloadCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.InterferometryPayloadCost (visibility: PUBLIC, simpleName: InterferometryPayloadCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.InterferometryPayloadCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final InterferometryPayloadCost INSTANCE = new InterferometryPayloadCost();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final InterferometryPayloadCost.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Cost = new PParameter("Cost", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_Cost);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.interferometryPayloadCost";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","Cost");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    find spacecraftWithInterferometryPayload(_, Spacecraft)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var___0_, var_Spacecraft), SpacecraftWithInterferometryPayload.instance().getInternalQueryRepresentation());
+          //    Cost == 50000.0
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, 50000.0);
+          new Equality(body, var_Cost, var__virtual_0_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    neg find spacecraftWithInterferometryPayload(_, Spacecraft)
+          new NegativePatternCall(body, Tuples.flatTupleOf(var___0_, var_Spacecraft), SpacecraftWithInterferometryPayload.instance().getInternalQueryRepresentation());
+          //    Cost == 0.0
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, 0.0);
+          new Equality(body, var_Cost, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1() {
+    return 50000.0;
+  }
+  
+  private static double evaluateExpression_2_1() {
+    return 0.0;
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionCost.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionCost.java
new file mode 100644
index 00000000..0374195f
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionCost.java
@@ -0,0 +1,183 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftCost;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern missionCost(Mission : InterferometryMission, Cost : java Double) {
+ *              InterferometryMission.observationTime(Mission, ObservationTime);
+ *              SpacecraftCost == sum find spacecraftCost(Mission, _, #_);
+ *              Cost == eval(SpacecraftCost + 100000.0  ObservationTime);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class MissionCost extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private MissionCost() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static MissionCost instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCost (visibility: PUBLIC, simpleName: MissionCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCost (visibility: PUBLIC, simpleName: MissionCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final MissionCost INSTANCE = new MissionCost();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final MissionCost.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Cost = new PParameter("Cost", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission, parameter_Cost);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.missionCost";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission","Cost");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          PVariable var_ObservationTime = body.getOrCreateVariableByName("ObservationTime");
+          PVariable var_SpacecraftCost = body.getOrCreateVariableByName("SpacecraftCost");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission),
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    InterferometryMission.observationTime(Mission, ObservationTime)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "InterferometryMission", "observationTime")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EFloat")));
+          new Equality(body, var__virtual_0_, var_ObservationTime);
+          //    SpacecraftCost == sum find spacecraftCost(Mission, _, #_)
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new AggregatorConstraint(new sum().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var_Mission, var___0_, var___1_), SpacecraftCost.instance().getInternalQueryRepresentation(), var__virtual_1_, 2);
+          new Equality(body, var_SpacecraftCost, var__virtual_1_);
+          //    Cost == eval(SpacecraftCost + 100000.0 * ObservationTime)
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ExpressionEvaluation(body, new IExpressionEvaluator() {
+          
+              @Override
+              public String getShortDescription() {
+                  return "Expression evaluation from pattern missionCost";
+              }
+              
+              @Override
+              public Iterable<String> getInputParameterNames() {
+                  return Arrays.asList("ObservationTime", "SpacecraftCost");}
+          
+              @Override
+              public Object evaluateExpression(IValueProvider provider) throws Exception {
+                  Float ObservationTime = (Float) provider.getValue("ObservationTime");
+                  Double SpacecraftCost = (Double) provider.getValue("SpacecraftCost");
+                  return evaluateExpression_1_1(ObservationTime, SpacecraftCost);
+              }
+          },  var__virtual_2_ ); 
+          new Equality(body, var_Cost, var__virtual_2_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1(final Float ObservationTime, final Double SpacecraftCost) {
+    return ((SpacecraftCost).doubleValue() + (100000.0 * (ObservationTime).floatValue()));
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionCoverage.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionCoverage.java
new file mode 100644
index 00000000..583c2175
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionCoverage.java
@@ -0,0 +1,183 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.PatternMatchCounter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern missionCoverage(Mission : InterferometryMission, Coverage : java Double) {
+ *              InterferometryMission.observationTime(Mission, ObservationTime);
+ *              ObserverCount == count find spacecraftWithInterferometryPayload(Mission, _);
+ *              Coverage == eval(Math.pow(1 - 2.0 / ObserverCount, 1 + 9  (1.0 / ObservationTime)) + 0.05  ObservationTime / 3);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class MissionCoverage extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private MissionCoverage() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static MissionCoverage instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCoverage (visibility: PUBLIC, simpleName: MissionCoverage, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCoverage, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCoverage (visibility: PUBLIC, simpleName: MissionCoverage, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCoverage, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final MissionCoverage INSTANCE = new MissionCoverage();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final MissionCoverage.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Coverage = new PParameter("Coverage", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission, parameter_Coverage);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.missionCoverage";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission","Coverage");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Coverage = body.getOrCreateVariableByName("Coverage");
+          PVariable var_ObservationTime = body.getOrCreateVariableByName("ObservationTime");
+          PVariable var_ObserverCount = body.getOrCreateVariableByName("ObserverCount");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Coverage), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission),
+             new ExportedParameter(body, var_Coverage, parameter_Coverage)
+          ));
+          //    InterferometryMission.observationTime(Mission, ObservationTime)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "InterferometryMission", "observationTime")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EFloat")));
+          new Equality(body, var__virtual_0_, var_ObservationTime);
+          //    ObserverCount == count find spacecraftWithInterferometryPayload(Mission, _)
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new PatternMatchCounter(body, Tuples.flatTupleOf(var_Mission, var___0_), SpacecraftWithInterferometryPayload.instance().getInternalQueryRepresentation(), var__virtual_1_);
+          new Equality(body, var_ObserverCount, var__virtual_1_);
+          //    Coverage == eval(Math.pow(1 - 2.0 / ObserverCount, 1 + 9 * (1.0 / ObservationTime)) + 0.05 * ObservationTime / 3)
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ExpressionEvaluation(body, new IExpressionEvaluator() {
+          
+              @Override
+              public String getShortDescription() {
+                  return "Expression evaluation from pattern missionCoverage";
+              }
+              
+              @Override
+              public Iterable<String> getInputParameterNames() {
+                  return Arrays.asList("ObservationTime", "ObserverCount");}
+          
+              @Override
+              public Object evaluateExpression(IValueProvider provider) throws Exception {
+                  Float ObservationTime = (Float) provider.getValue("ObservationTime");
+                  Integer ObserverCount = (Integer) provider.getValue("ObserverCount");
+                  return evaluateExpression_1_1(ObservationTime, ObserverCount);
+              }
+          },  var__virtual_2_ ); 
+          new Equality(body, var_Coverage, var__virtual_2_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1(final Float ObservationTime, final Integer ObserverCount) {
+    double _pow = Math.pow((1 - (2.0 / (ObserverCount).intValue())), (1 + (9 * (1.0 / (ObservationTime).floatValue()))));
+    double _plus = (_pow + ((0.05 * (ObservationTime).floatValue()) / 3));
+    return _plus;
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionTime.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionTime.java
new file mode 100644
index 00000000..3ad42bf5
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/MissionTime.java
@@ -0,0 +1,183 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitTime;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern missionTime(Mission : InterferometryMission, Time : java Double) {
+ *              InterferometryMission.observationTime(Mission, ObservationTime);
+ *              TrasmitTime == sum find transmitTime(Mission, _, #_);
+ *              Time == eval(TrasmitTime + 60.0  ObservationTime);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class MissionTime extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private MissionTime() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static MissionTime instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionTime (visibility: PUBLIC, simpleName: MissionTime, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionTime, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionTime (visibility: PUBLIC, simpleName: MissionTime, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionTime, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final MissionTime INSTANCE = new MissionTime();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final MissionTime.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Time = new PParameter("Time", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission, parameter_Time);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.missionTime";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission","Time");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Time = body.getOrCreateVariableByName("Time");
+          PVariable var_ObservationTime = body.getOrCreateVariableByName("ObservationTime");
+          PVariable var_TrasmitTime = body.getOrCreateVariableByName("TrasmitTime");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Time), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission),
+             new ExportedParameter(body, var_Time, parameter_Time)
+          ));
+          //    InterferometryMission.observationTime(Mission, ObservationTime)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "InterferometryMission", "observationTime")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EFloat")));
+          new Equality(body, var__virtual_0_, var_ObservationTime);
+          //    TrasmitTime == sum find transmitTime(Mission, _, #_)
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new AggregatorConstraint(new sum().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var_Mission, var___0_, var___1_), TransmitTime.instance().getInternalQueryRepresentation(), var__virtual_1_, 2);
+          new Equality(body, var_TrasmitTime, var__virtual_1_);
+          //    Time == eval(TrasmitTime + 60.0 * ObservationTime)
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ExpressionEvaluation(body, new IExpressionEvaluator() {
+          
+              @Override
+              public String getShortDescription() {
+                  return "Expression evaluation from pattern missionTime";
+              }
+              
+              @Override
+              public Iterable<String> getInputParameterNames() {
+                  return Arrays.asList("ObservationTime", "TrasmitTime");}
+          
+              @Override
+              public Object evaluateExpression(IValueProvider provider) throws Exception {
+                  Float ObservationTime = (Float) provider.getValue("ObservationTime");
+                  Double TrasmitTime = (Double) provider.getValue("TrasmitTime");
+                  return evaluateExpression_1_1(ObservationTime, TrasmitTime);
+              }
+          },  var__virtual_2_ ); 
+          new Equality(body, var_Time, var__virtual_2_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1(final Float ObservationTime, final Double TrasmitTime) {
+    return ((TrasmitTime).doubleValue() + (60.0 * (ObservationTime).floatValue()));
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SatelliteQueriesAll.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SatelliteQueriesAll.java
new file mode 100644
index 00000000..2f310711
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SatelliteQueriesAll.java
@@ -0,0 +1,156 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLinkDoesNotStartAtContainingElement;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CommunicationLoop;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CostMetric;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CoverageMetric;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.CubeSatWithKaAntenna;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetBand;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.IncompatibleSourceAndTargetGain;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.KaAntennaGainLow;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NoLinkToGroundStation;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.NotEnoughInterferometryPayloads;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.ThreeUCubeSatWithNonUhfCrossLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.TimeMetric;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.UhfAntennaGainNotLow;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.XAntennaGainNotMedium;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AdditionalCommSubsystemCost;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AtLeastTwoInterferometryPayloads;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.BasePrice;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBand;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemBandUhf;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGain;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainLow;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.CommSubsystemGainMedium;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.DirectCommunicationLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.GroundStationNetwork;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IncomingData;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IndirectCommunicationLink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.InterferometryPayloadCost;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCost;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionCoverage;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.MissionTime;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SmallSat;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftCost;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftOfKind;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftUplink;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithTwoCommSubsystems;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitRate;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitTime;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedPatternGroup;
+
+/**
+ * A pattern group formed of all patterns defined in SatelliteQueries.vql.
+ * 
+ * <p>A private group that includes private patterns as well. Only intended use case is for pattern testing.
+ * 
+ * <p> From package hu.bme.mit.inf.dslreasoner.domains.satellite.queries, the group contains the definition of the following patterns: <ul>
+ * <li>communicationLinkDoesNotStartAtContainingElement</li>
+ * <li>notEnoughInterferometryPayloads</li>
+ * <li>atLeastTwoInterferometryPayloads</li>
+ * <li>spacecraftWithInterferometryPayload</li>
+ * <li>noLinkToGroundStation</li>
+ * <li>communicationLoop</li>
+ * <li>indirectCommunicationLink</li>
+ * <li>directCommunicationLink</li>
+ * <li>incompatibleSourceAndTargetBand</li>
+ * <li>commSubsystemBand</li>
+ * <li>incompatibleSourceAndTargetGain</li>
+ * <li>commSubsystemGain</li>
+ * <li>uhfAntennaGainNotLow</li>
+ * <li>commSubsystemGainLow</li>
+ * <li>xAntennaGainNotMedium</li>
+ * <li>commSubsystemGainMedium</li>
+ * <li>kaAntennaGainLow</li>
+ * <li>threeUCubeSatWithNonUhfCrossLink</li>
+ * <li>commSubsystemBandUhf</li>
+ * <li>groundStationNetwork</li>
+ * <li>cubeSatWithKaAntenna</li>
+ * <li>smallSat</li>
+ * <li>coverageMetric</li>
+ * <li>missionCoverage</li>
+ * <li>timeMetric</li>
+ * <li>missionTime</li>
+ * <li>transmitTime</li>
+ * <li>incomingData</li>
+ * <li>scienceData</li>
+ * <li>transmitRate</li>
+ * <li>spacecraftUplink</li>
+ * <li>costMetric</li>
+ * <li>missionCost</li>
+ * <li>spacecraftCost</li>
+ * <li>spacecraftOfKind</li>
+ * <li>basePrice</li>
+ * <li>interferometryPayloadCost</li>
+ * <li>additionalCommSubsystemCost</li>
+ * <li>spacecraftWithTwoCommSubsystems</li>
+ * </ul>
+ * 
+ * @see IQueryGroup
+ * 
+ */
+@SuppressWarnings("all")
+public final class SatelliteQueriesAll extends BaseGeneratedPatternGroup {
+  /**
+   * Access the pattern group.
+   * 
+   * @return the singleton instance of the group
+   * @throws ViatraQueryRuntimeException if there was an error loading the generated code of pattern specifications
+   * 
+   */
+  public static SatelliteQueriesAll instance() {
+    if (INSTANCE == null) {
+        INSTANCE = new SatelliteQueriesAll();
+    }
+    return INSTANCE;
+  }
+  
+  private static SatelliteQueriesAll INSTANCE;
+  
+  private SatelliteQueriesAll() {
+    querySpecifications.add(CommunicationLinkDoesNotStartAtContainingElement.instance());
+    querySpecifications.add(NotEnoughInterferometryPayloads.instance());
+    querySpecifications.add(AtLeastTwoInterferometryPayloads.instance());
+    querySpecifications.add(SpacecraftWithInterferometryPayload.instance());
+    querySpecifications.add(NoLinkToGroundStation.instance());
+    querySpecifications.add(CommunicationLoop.instance());
+    querySpecifications.add(IndirectCommunicationLink.instance());
+    querySpecifications.add(DirectCommunicationLink.instance());
+    querySpecifications.add(IncompatibleSourceAndTargetBand.instance());
+    querySpecifications.add(CommSubsystemBand.instance());
+    querySpecifications.add(IncompatibleSourceAndTargetGain.instance());
+    querySpecifications.add(CommSubsystemGain.instance());
+    querySpecifications.add(UhfAntennaGainNotLow.instance());
+    querySpecifications.add(CommSubsystemGainLow.instance());
+    querySpecifications.add(XAntennaGainNotMedium.instance());
+    querySpecifications.add(CommSubsystemGainMedium.instance());
+    querySpecifications.add(KaAntennaGainLow.instance());
+    querySpecifications.add(ThreeUCubeSatWithNonUhfCrossLink.instance());
+    querySpecifications.add(CommSubsystemBandUhf.instance());
+    querySpecifications.add(GroundStationNetwork.instance());
+    querySpecifications.add(CubeSatWithKaAntenna.instance());
+    querySpecifications.add(SmallSat.instance());
+    querySpecifications.add(CoverageMetric.instance());
+    querySpecifications.add(MissionCoverage.instance());
+    querySpecifications.add(TimeMetric.instance());
+    querySpecifications.add(MissionTime.instance());
+    querySpecifications.add(TransmitTime.instance());
+    querySpecifications.add(IncomingData.instance());
+    querySpecifications.add(ScienceData.instance());
+    querySpecifications.add(TransmitRate.instance());
+    querySpecifications.add(SpacecraftUplink.instance());
+    querySpecifications.add(CostMetric.instance());
+    querySpecifications.add(MissionCost.instance());
+    querySpecifications.add(SpacecraftCost.instance());
+    querySpecifications.add(SpacecraftOfKind.instance());
+    querySpecifications.add(BasePrice.instance());
+    querySpecifications.add(InterferometryPayloadCost.instance());
+    querySpecifications.add(AdditionalCommSubsystemCost.instance());
+    querySpecifications.add(SpacecraftWithTwoCommSubsystems.instance());
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/ScienceData.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/ScienceData.java
new file mode 100644
index 00000000..b558e51e
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/ScienceData.java
@@ -0,0 +1,179 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern scienceData(Spacecraft : Spacecraft, Data : java Double) {
+ *              ConstellationMission.spacecraft(Mission, Spacecraft);
+ *              InterferometryMission.observationTime(Mission, ObservationTime);
+ *              Data == eval(12.0  ObservationTime);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class ScienceData extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private ScienceData() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static ScienceData instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData (visibility: PUBLIC, simpleName: ScienceData, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData (visibility: PUBLIC, simpleName: ScienceData, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final ScienceData INSTANCE = new ScienceData();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final ScienceData.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Data = new PParameter("Data", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_Data);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.scienceData";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","Data");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Data = body.getOrCreateVariableByName("Data");
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_ObservationTime = body.getOrCreateVariableByName("ObservationTime");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Data), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Data, parameter_Data)
+          ));
+          //    ConstellationMission.spacecraft(Mission, Spacecraft)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "ConstellationMission", "spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new Equality(body, var__virtual_0_, var_Spacecraft);
+          //    InterferometryMission.observationTime(Mission, ObservationTime)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "InterferometryMission", "observationTime")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EFloat")));
+          new Equality(body, var__virtual_1_, var_ObservationTime);
+          //    Data == eval(12.0 * ObservationTime)
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ExpressionEvaluation(body, new IExpressionEvaluator() {
+          
+              @Override
+              public String getShortDescription() {
+                  return "Expression evaluation from pattern scienceData";
+              }
+              
+              @Override
+              public Iterable<String> getInputParameterNames() {
+                  return Arrays.asList("ObservationTime");}
+          
+              @Override
+              public Object evaluateExpression(IValueProvider provider) throws Exception {
+                  Float ObservationTime = (Float) provider.getValue("ObservationTime");
+                  return evaluateExpression_1_1(ObservationTime);
+              }
+          },  var__virtual_2_ ); 
+          new Equality(body, var_Data, var__virtual_2_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1(final Float ObservationTime) {
+    return (12.0 * (ObservationTime).floatValue());
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SmallSat.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SmallSat.java
new file mode 100644
index 00000000..d74ed28a
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SmallSat.java
@@ -0,0 +1,138 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern smallSat(Sat : Spacecraft) {
+ *              Spacecraft.kind(Sat, SpacecraftKind::SmallSat);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class SmallSat extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private SmallSat() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static SmallSat instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SmallSat (visibility: PUBLIC, simpleName: SmallSat, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SmallSat, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SmallSat (visibility: PUBLIC, simpleName: SmallSat, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SmallSat, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final SmallSat INSTANCE = new SmallSat();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final SmallSat.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Sat = new PParameter("Sat", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Sat);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.smallSat";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Sat");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Sat = body.getOrCreateVariableByName("Sat");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Sat, parameter_Sat)
+          ));
+          //    Spacecraft.kind(Sat, SpacecraftKind::SmallSat)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "SpacecraftKind", "SmallSat").getInstance());
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Sat, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_1_, var__virtual_0_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftCost.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftCost.java
new file mode 100644
index 00000000..65fed74a
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftCost.java
@@ -0,0 +1,215 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.AdditionalCommSubsystemCost;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.BasePrice;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.InterferometryPayloadCost;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftOfKind;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.PatternMatchCounter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern spacecraftCost(Mission : InterferometryMission, Spacecraft : Spacecraft, Cost : java Double) {
+ *              ConstellationMission.spacecraft(Mission, Spacecraft);
+ *              Spacecraft.kind(Spacecraft, Kind);
+ *              KindCount == count find spacecraftOfKind(_, Kind);
+ *              find basePrice(Spacecraft, BasePrice);
+ *              find interferometryPayloadCost(Spacecraft, InterferometryPayloadCost);
+ *              find additionalCommSubsystemCost(Spacecraft, AdditionalCommSubsystemCost);
+ *              Cost == eval(BasePrice  Math.pow(KindCount, -0.25) + InterferometryPayloadCost + AdditionalCommSubsystemCost);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class SpacecraftCost extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private SpacecraftCost() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static SpacecraftCost instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftCost (visibility: PUBLIC, simpleName: SpacecraftCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftCost (visibility: PUBLIC, simpleName: SpacecraftCost, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftCost, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final SpacecraftCost INSTANCE = new SpacecraftCost();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final SpacecraftCost.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Cost = new PParameter("Cost", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission, parameter_Spacecraft, parameter_Cost);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.spacecraftCost";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission","Spacecraft","Cost");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Cost = body.getOrCreateVariableByName("Cost");
+          PVariable var_Kind = body.getOrCreateVariableByName("Kind");
+          PVariable var_KindCount = body.getOrCreateVariableByName("KindCount");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var_BasePrice = body.getOrCreateVariableByName("BasePrice");
+          PVariable var_InterferometryPayloadCost = body.getOrCreateVariableByName("InterferometryPayloadCost");
+          PVariable var_AdditionalCommSubsystemCost = body.getOrCreateVariableByName("AdditionalCommSubsystemCost");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Cost), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission),
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Cost, parameter_Cost)
+          ));
+          //    ConstellationMission.spacecraft(Mission, Spacecraft)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "ConstellationMission", "spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new Equality(body, var__virtual_0_, var_Spacecraft);
+          //    Spacecraft.kind(Spacecraft, Kind)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_1_, var_Kind);
+          //    KindCount == count find spacecraftOfKind(_, Kind)
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new PatternMatchCounter(body, Tuples.flatTupleOf(var___0_, var_Kind), SpacecraftOfKind.instance().getInternalQueryRepresentation(), var__virtual_2_);
+          new Equality(body, var_KindCount, var__virtual_2_);
+          //    find basePrice(Spacecraft, BasePrice)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var_BasePrice), BasePrice.instance().getInternalQueryRepresentation());
+          //    find interferometryPayloadCost(Spacecraft, InterferometryPayloadCost)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var_InterferometryPayloadCost), InterferometryPayloadCost.instance().getInternalQueryRepresentation());
+          //    find additionalCommSubsystemCost(Spacecraft, AdditionalCommSubsystemCost)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var_AdditionalCommSubsystemCost), AdditionalCommSubsystemCost.instance().getInternalQueryRepresentation());
+          //    Cost == eval(BasePrice * Math.pow(KindCount, -0.25) + InterferometryPayloadCost + AdditionalCommSubsystemCost)
+          PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
+          new ExpressionEvaluation(body, new IExpressionEvaluator() {
+          
+              @Override
+              public String getShortDescription() {
+                  return "Expression evaluation from pattern spacecraftCost";
+              }
+              
+              @Override
+              public Iterable<String> getInputParameterNames() {
+                  return Arrays.asList("AdditionalCommSubsystemCost", "BasePrice", "InterferometryPayloadCost", "KindCount");}
+          
+              @Override
+              public Object evaluateExpression(IValueProvider provider) throws Exception {
+                  Double AdditionalCommSubsystemCost = (Double) provider.getValue("AdditionalCommSubsystemCost");
+                  Double BasePrice = (Double) provider.getValue("BasePrice");
+                  Double InterferometryPayloadCost = (Double) provider.getValue("InterferometryPayloadCost");
+                  Integer KindCount = (Integer) provider.getValue("KindCount");
+                  return evaluateExpression_1_1(AdditionalCommSubsystemCost, BasePrice, InterferometryPayloadCost, KindCount);
+              }
+          },  var__virtual_3_ ); 
+          new Equality(body, var_Cost, var__virtual_3_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1(final Double AdditionalCommSubsystemCost, final Double BasePrice, final Double InterferometryPayloadCost, final Integer KindCount) {
+    double _pow = Math.pow((KindCount).intValue(), (-0.25));
+    double _multiply = ((BasePrice).doubleValue() * _pow);
+    double _plus = (_multiply + (InterferometryPayloadCost).doubleValue());
+    double _plus_1 = (_plus + (AdditionalCommSubsystemCost).doubleValue());
+    return _plus_1;
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftOfKind.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftOfKind.java
new file mode 100644
index 00000000..5e49aa58
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftOfKind.java
@@ -0,0 +1,140 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern spacecraftOfKind(Spacecraft : Spacecraft, Kind : SpacecraftKind) {
+ *              Spacecraft.kind(Spacecraft, Kind);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class SpacecraftOfKind extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private SpacecraftOfKind() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static SpacecraftOfKind instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftOfKind (visibility: PUBLIC, simpleName: SpacecraftOfKind, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftOfKind, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftOfKind (visibility: PUBLIC, simpleName: SpacecraftOfKind, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftOfKind, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final SpacecraftOfKind INSTANCE = new SpacecraftOfKind();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final SpacecraftOfKind.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Kind = new PParameter("Kind", "hu.bme.mit.inf.dslreasoner.domains.satellite.SpacecraftKind", new EDataTypeInSlotsKey((EDataType)getClassifierLiteralSafe("http://www.example.org/satellite", "SpacecraftKind")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_Kind);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.spacecraftOfKind";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","Kind");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Kind = body.getOrCreateVariableByName("Kind");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Kind), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Kind, parameter_Kind)
+          ));
+          //    Spacecraft.kind(Spacecraft, Kind)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "kind")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "SpacecraftKind")));
+          new Equality(body, var__virtual_0_, var_Kind);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftUplink.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftUplink.java
new file mode 100644
index 00000000..966ff6f8
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftUplink.java
@@ -0,0 +1,171 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern spacecraftUplink(Spacecraft : Spacecraft, Band : TransceiverBand, Target : CommunicatingElement) {
+ *              CommunicatingElement.communicationLink(Spacecraft, Link);
+ *              DirectedCommunicationLink.source.band(Link, Band);
+ *              DirectedCommunicationLink.target(Link, TargetSubsystem);
+ *              CommunicatingElement.commSubsystem(Target, TargetSubsystem);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class SpacecraftUplink extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private SpacecraftUplink() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static SpacecraftUplink instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftUplink (visibility: PUBLIC, simpleName: SpacecraftUplink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftUplink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftUplink (visibility: PUBLIC, simpleName: SpacecraftUplink, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftUplink, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final SpacecraftUplink INSTANCE = new SpacecraftUplink();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final SpacecraftUplink.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Band = new PParameter("Band", "hu.bme.mit.inf.dslreasoner.domains.satellite.TransceiverBand", new EDataTypeInSlotsKey((EDataType)getClassifierLiteralSafe("http://www.example.org/satellite", "TransceiverBand")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Target = new PParameter("Target", "hu.bme.mit.inf.dslreasoner.domains.satellite.CommunicatingElement", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "CommunicatingElement")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_Band, parameter_Target);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.spacecraftUplink";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","Band","Target");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Band = body.getOrCreateVariableByName("Band");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          PVariable var_Link = body.getOrCreateVariableByName("Link");
+          PVariable var_TargetSubsystem = body.getOrCreateVariableByName("TargetSubsystem");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Band), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_Band, parameter_Band),
+             new ExportedParameter(body, var_Target, parameter_Target)
+          ));
+          //    CommunicatingElement.communicationLink(Spacecraft, Link)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "communicationLink")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          new Equality(body, var__virtual_0_, var_Link);
+          //    DirectedCommunicationLink.source.band(Link, Band)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "source")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommSubsystem", "band")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.example.org/satellite", "TransceiverBand")));
+          new Equality(body, var__virtual_2_, var_Band);
+          //    DirectedCommunicationLink.target(Link, TargetSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "DirectedCommunicationLink")));
+          PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Link, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "DirectedCommunicationLink", "target")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_3_, var_TargetSubsystem);
+          //    CommunicatingElement.commSubsystem(Target, TargetSubsystem)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommunicatingElement")));
+          PVariable var__virtual_4_ = body.getOrCreateVariableByName(".virtual{4}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target, var__virtual_4_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_4_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_4_, var_TargetSubsystem);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftWithInterferometryPayload.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftWithInterferometryPayload.java
new file mode 100644
index 00000000..f8e6ca4f
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftWithInterferometryPayload.java
@@ -0,0 +1,149 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern spacecraftWithInterferometryPayload(Mission : ConstellationMission, Spacecraft : Spacecraft) {
+ *              ConstellationMission.spacecraft(Mission, Spacecraft);
+ *              Spacecraft.payload(Spacecraft, Payload);
+ *              InterferometryPayload(Payload);
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class SpacecraftWithInterferometryPayload extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private SpacecraftWithInterferometryPayload() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static SpacecraftWithInterferometryPayload instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload (visibility: PUBLIC, simpleName: SpacecraftWithInterferometryPayload, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload (visibility: PUBLIC, simpleName: SpacecraftWithInterferometryPayload, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithInterferometryPayload, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final SpacecraftWithInterferometryPayload INSTANCE = new SpacecraftWithInterferometryPayload();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final SpacecraftWithInterferometryPayload.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.ConstellationMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "ConstellationMission")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission, parameter_Spacecraft);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.spacecraftWithInterferometryPayload";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission","Spacecraft");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Payload = body.getOrCreateVariableByName("Payload");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission),
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft)
+          ));
+          //    ConstellationMission.spacecraft(Mission, Spacecraft)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "ConstellationMission", "spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new Equality(body, var__virtual_0_, var_Spacecraft);
+          //    Spacecraft.payload(Spacecraft, Payload)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "Spacecraft", "payload")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Payload")));
+          new Equality(body, var__virtual_1_, var_Payload);
+          //    InterferometryPayload(Payload)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Payload), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryPayload")));
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftWithTwoCommSubsystems.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftWithTwoCommSubsystems.java
new file mode 100644
index 00000000..98f1be7b
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/SpacecraftWithTwoCommSubsystems.java
@@ -0,0 +1,146 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern spacecraftWithTwoCommSubsystems(Spacecraft : Spacecraft) {
+ *              Spacecraft.commSubsystem(Spacecraft, Subsystem1);
+ *              Spacecraft.commSubsystem(Spacecraft, Subsystem2);
+ *              Subsystem1 != Subsystem2;
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class SpacecraftWithTwoCommSubsystems extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private SpacecraftWithTwoCommSubsystems() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static SpacecraftWithTwoCommSubsystems instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithTwoCommSubsystems (visibility: PUBLIC, simpleName: SpacecraftWithTwoCommSubsystems, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithTwoCommSubsystems, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithTwoCommSubsystems (visibility: PUBLIC, simpleName: SpacecraftWithTwoCommSubsystems, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftWithTwoCommSubsystems, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final SpacecraftWithTwoCommSubsystems INSTANCE = new SpacecraftWithTwoCommSubsystems();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final SpacecraftWithTwoCommSubsystems.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.spacecraftWithTwoCommSubsystems";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_Subsystem1 = body.getOrCreateVariableByName("Subsystem1");
+          PVariable var_Subsystem2 = body.getOrCreateVariableByName("Subsystem2");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft)
+          ));
+          //    Spacecraft.commSubsystem(Spacecraft, Subsystem1)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_0_, var_Subsystem1);
+          //    Spacecraft.commSubsystem(Spacecraft, Subsystem2)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "CommunicatingElement", "commSubsystem")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "CommSubsystem")));
+          new Equality(body, var__virtual_1_, var_Subsystem2);
+          //    Subsystem1 != Subsystem2
+          new Inequality(body, var_Subsystem1, var_Subsystem2);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/TransmitRate.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/TransmitRate.java
new file mode 100644
index 00000000..2faa7733
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/TransmitRate.java
@@ -0,0 +1,277 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.SpacecraftUplink;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern transmitRate(Spacecraft : Spacecraft, TransmitRate : java Double) {
+ *              find spacecraftUplink(Spacecraft, TransceiverBand::UHF, Target);
+ *              Spacecraft(Target);
+ *              TransmitRate == 5.0;
+ *         } or {
+ *              find spacecraftUplink(Spacecraft, TransceiverBand::X, Target);
+ *              Spacecraft(Target);
+ *              TransmitRate == 1.6;
+ *         } or {
+ *              find spacecraftUplink(Spacecraft, TransceiverBand::X, Target);
+ *              GroundStationNetwork(Target);
+ *              TransmitRate == 0.7;
+ *         } or {
+ *              find spacecraftUplink(Spacecraft, TransceiverBand::Ka, Target);
+ *              Spacecraft(Target);
+ *              TransmitRate == 220.0;
+ *         } or {
+ *              find spacecraftUplink(Spacecraft, TransceiverBand::Ka, Target);
+ *              GroundStationNetwork(Target);
+ *              TransmitRate == 80.0;
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class TransmitRate extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private TransmitRate() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static TransmitRate instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitRate (visibility: PUBLIC, simpleName: TransmitRate, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitRate, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitRate (visibility: PUBLIC, simpleName: TransmitRate, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitRate, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final TransmitRate INSTANCE = new TransmitRate();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final TransmitRate.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_TransmitRate = new PParameter("TransmitRate", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Spacecraft, parameter_TransmitRate);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.transmitRate";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Spacecraft","TransmitRate");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_TransmitRate = body.getOrCreateVariableByName("TransmitRate");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_TransmitRate), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_TransmitRate, parameter_TransmitRate)
+          ));
+          //    find spacecraftUplink(Spacecraft, TransceiverBand::UHF, Target)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "UHF").getInstance());
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_, var_Target), SpacecraftUplink.instance().getInternalQueryRepresentation());
+          //    Spacecraft(Target)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          //    TransmitRate == 5.0
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new ConstantValue(body, var__virtual_1_, 5.0);
+          new Equality(body, var_TransmitRate, var__virtual_1_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_TransmitRate = body.getOrCreateVariableByName("TransmitRate");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_TransmitRate), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_TransmitRate, parameter_TransmitRate)
+          ));
+          //    find spacecraftUplink(Spacecraft, TransceiverBand::X, Target)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "X").getInstance());
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_, var_Target), SpacecraftUplink.instance().getInternalQueryRepresentation());
+          //    Spacecraft(Target)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          //    TransmitRate == 1.6
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new ConstantValue(body, var__virtual_1_, 1.6);
+          new Equality(body, var_TransmitRate, var__virtual_1_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_TransmitRate = body.getOrCreateVariableByName("TransmitRate");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_TransmitRate), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_TransmitRate, parameter_TransmitRate)
+          ));
+          //    find spacecraftUplink(Spacecraft, TransceiverBand::X, Target)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "X").getInstance());
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_, var_Target), SpacecraftUplink.instance().getInternalQueryRepresentation());
+          //    GroundStationNetwork(Target)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "GroundStationNetwork")));
+          //    TransmitRate == 0.7
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new ConstantValue(body, var__virtual_1_, 0.7);
+          new Equality(body, var_TransmitRate, var__virtual_1_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_TransmitRate = body.getOrCreateVariableByName("TransmitRate");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_TransmitRate), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_TransmitRate, parameter_TransmitRate)
+          ));
+          //    find spacecraftUplink(Spacecraft, TransceiverBand::Ka, Target)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "Ka").getInstance());
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_, var_Target), SpacecraftUplink.instance().getInternalQueryRepresentation());
+          //    Spacecraft(Target)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          //    TransmitRate == 220.0
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new ConstantValue(body, var__virtual_1_, 220.0);
+          new Equality(body, var_TransmitRate, var__virtual_1_);
+          bodies.add(body);
+      }
+      {
+          PBody body = new PBody(this);
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_TransmitRate = body.getOrCreateVariableByName("TransmitRate");
+          PVariable var_Target = body.getOrCreateVariableByName("Target");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_TransmitRate), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_TransmitRate, parameter_TransmitRate)
+          ));
+          //    find spacecraftUplink(Spacecraft, TransceiverBand::Ka, Target)
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new ConstantValue(body, var__virtual_0_, getEnumLiteral("http://www.example.org/satellite", "TransceiverBand", "Ka").getInstance());
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var__virtual_0_, var_Target), SpacecraftUplink.instance().getInternalQueryRepresentation());
+          //    GroundStationNetwork(Target)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Target), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "GroundStationNetwork")));
+          //    TransmitRate == 80.0
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new ConstantValue(body, var__virtual_1_, 80.0);
+          new Equality(body, var_TransmitRate, var__virtual_1_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1() {
+    return 5.0;
+  }
+  
+  private static double evaluateExpression_2_1() {
+    return 1.6;
+  }
+  
+  private static double evaluateExpression_3_1() {
+    return 0.7;
+  }
+  
+  private static double evaluateExpression_4_1() {
+    return 220.0;
+  }
+  
+  private static double evaluateExpression_5_1() {
+    return 80.0;
+  }
+}
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/TransmitTime.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/TransmitTime.java
new file mode 100644
index 00000000..eb338bec
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.satellite/src-gen/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/internal/TransmitTime.java
@@ -0,0 +1,200 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.satellite/src/hu/bme/mit/inf/dslreasoner/domains/satellite/queries/SatelliteQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal;
+
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.IncomingData;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.ScienceData;
+import hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitRate;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.xtext.xbase.lib.DoubleExtensions;
+
+/**
+ * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way.
+ * 
+ * <p>Original source:
+ *         <code><pre>
+ *         private pattern transmitTime(Mission : InterferometryMission, Spacecraft : Spacecraft, TransmitTime : java Double) {
+ *              ConstellationMission.spacecraft(Mission, Spacecraft);
+ *              find scienceData(Spacecraft, ScienceData);
+ *              IncomingData == sum find incomingData(Spacecraft, _, #_);
+ *              find transmitRate(Spacecraft, TransmitRate);
+ *              TransmitTime == eval((ScienceData + IncomingData) / (7.5  TransmitRate));
+ *         }
+ * </pre></code>
+ * 
+ * @see GenericPatternMatcher
+ * @see GenericPatternMatch
+ * 
+ */
+@SuppressWarnings("all")
+public final class TransmitTime extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher {
+  private TransmitTime() {
+    super(GeneratedPQuery.INSTANCE);
+  }
+  
+  /**
+   * @return the singleton instance of the query specification
+   * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+   * 
+   */
+  public static TransmitTime instance() {
+    try{
+        return LazyHolder.INSTANCE;
+    } catch (ExceptionInInitializerError err) {
+        throw processInitializerError(err);
+    }
+  }
+  
+  /**
+   * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitTime (visibility: PUBLIC, simpleName: TransmitTime, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitTime, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created 
+   *     <b>not</b> at the class load time of the outer class, 
+   *     but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitTime (visibility: PUBLIC, simpleName: TransmitTime, identifier: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal.TransmitTime, deprecated: <unset>) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.satellite.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+   * 
+   * <p> This workaround is required e.g. to support recursion.
+   * 
+   */
+  private static class LazyHolder {
+    private static final TransmitTime INSTANCE = new TransmitTime();
+    
+    /**
+     * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
+     * This initialization order is required to support indirect recursion.
+     * 
+     * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
+     * 
+     */
+    private static final Object STATIC_INITIALIZER = ensureInitialized();
+    
+    public static Object ensureInitialized() {
+      INSTANCE.ensureInitializedInternal();
+      return null;
+    }
+  }
+  
+  private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+    private static final TransmitTime.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+    
+    private final PParameter parameter_Mission = new PParameter("Mission", "hu.bme.mit.inf.dslreasoner.domains.satellite.InterferometryMission", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "InterferometryMission")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_Spacecraft = new PParameter("Spacecraft", "hu.bme.mit.inf.dslreasoner.domains.satellite.Spacecraft", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/satellite", "Spacecraft")), PParameterDirection.INOUT);
+    
+    private final PParameter parameter_TransmitTime = new PParameter("TransmitTime", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT);
+    
+    private final List<PParameter> parameters = Arrays.asList(parameter_Mission, parameter_Spacecraft, parameter_TransmitTime);
+    
+    private GeneratedPQuery() {
+      super(PVisibility.PRIVATE);
+    }
+    
+    @Override
+    public String getFullyQualifiedName() {
+      return "hu.bme.mit.inf.dslreasoner.domains.satellite.queries.transmitTime";
+    }
+    
+    @Override
+    public List<String> getParameterNames() {
+      return Arrays.asList("Mission","Spacecraft","TransmitTime");
+    }
+    
+    @Override
+    public List<PParameter> getParameters() {
+      return parameters;
+    }
+    
+    @Override
+    public Set<PBody> doGetContainedBodies() {
+      setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+      Set<PBody> bodies = new LinkedHashSet<>();
+      {
+          PBody body = new PBody(this);
+          PVariable var_Mission = body.getOrCreateVariableByName("Mission");
+          PVariable var_Spacecraft = body.getOrCreateVariableByName("Spacecraft");
+          PVariable var_TransmitTime = body.getOrCreateVariableByName("TransmitTime");
+          PVariable var_ScienceData = body.getOrCreateVariableByName("ScienceData");
+          PVariable var_IncomingData = body.getOrCreateVariableByName("IncomingData");
+          PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+          PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+          PVariable var_TransmitRate = body.getOrCreateVariableByName("TransmitRate");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "InterferometryMission")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Spacecraft), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new TypeFilterConstraint(body, Tuples.flatTupleOf(var_TransmitTime), new JavaTransitiveInstancesKey(java.lang.Double.class));
+          body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
+             new ExportedParameter(body, var_Mission, parameter_Mission),
+             new ExportedParameter(body, var_Spacecraft, parameter_Spacecraft),
+             new ExportedParameter(body, var_TransmitTime, parameter_TransmitTime)
+          ));
+          //    ConstellationMission.spacecraft(Mission, Spacecraft)
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "ConstellationMission")));
+          PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+          new TypeConstraint(body, Tuples.flatTupleOf(var_Mission, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/satellite", "ConstellationMission", "spacecraft")));
+          new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/satellite", "Spacecraft")));
+          new Equality(body, var__virtual_0_, var_Spacecraft);
+          //    find scienceData(Spacecraft, ScienceData)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var_ScienceData), ScienceData.instance().getInternalQueryRepresentation());
+          //    IncomingData == sum find incomingData(Spacecraft, _, #_)
+          PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+          new AggregatorConstraint(new sum().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var_Spacecraft, var___0_, var___1_), IncomingData.instance().getInternalQueryRepresentation(), var__virtual_1_, 2);
+          new Equality(body, var_IncomingData, var__virtual_1_);
+          //    find transmitRate(Spacecraft, TransmitRate)
+          new PositivePatternCall(body, Tuples.flatTupleOf(var_Spacecraft, var_TransmitRate), TransmitRate.instance().getInternalQueryRepresentation());
+          //    TransmitTime == eval((ScienceData + IncomingData) / (7.5 * TransmitRate))
+          PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
+          new ExpressionEvaluation(body, new IExpressionEvaluator() {
+          
+              @Override
+              public String getShortDescription() {
+                  return "Expression evaluation from pattern transmitTime";
+              }
+              
+              @Override
+              public Iterable<String> getInputParameterNames() {
+                  return Arrays.asList("IncomingData", "ScienceData", "TransmitRate");}
+          
+              @Override
+              public Object evaluateExpression(IValueProvider provider) throws Exception {
+                  Double IncomingData = (Double) provider.getValue("IncomingData");
+                  Double ScienceData = (Double) provider.getValue("ScienceData");
+                  Double TransmitRate = (Double) provider.getValue("TransmitRate");
+                  return evaluateExpression_1_1(IncomingData, ScienceData, TransmitRate);
+              }
+          },  var__virtual_2_ ); 
+          new Equality(body, var_TransmitTime, var__virtual_2_);
+          bodies.add(body);
+      }
+      return bodies;
+    }
+  }
+  
+  private static double evaluateExpression_1_1(final Double IncomingData, final Double ScienceData, final Double TransmitRate) {
+    double _plus = DoubleExtensions.operator_plus(ScienceData, IncomingData);
+    double _divide = (_plus / (7.5 * (TransmitRate).doubleValue()));
+    return _divide;
+  }
+}