initial commit

author: Oszkar Semerath <semerath@mit.bme.hu> 2020-04-28 20:43:04 +0200
committer: Oszkar Semerath <semerath@mit.bme.hu> 2020-04-28 20:43:04 +0200
commit: 8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe (patch)
tree: d525bef75519f364d637e0779f8e63d4199dee31 /Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl
parent: check expressions are mapped to WF constraints (diff)
download: VIATRA-Generator-8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe.tar.gz
VIATRA-Generator-8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe.tar.zst
VIATRA-Generator-8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe.zip
56 files changed, 9765 insertions, 0 deletions
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/AllInstancesImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/AllInstancesImpl.java
new file mode 100644
index 00000000..5da3bf30
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/AllInstancesImpl.java
@@ -0,0 +1,196 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.AllInstances;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>All Instances</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.AllInstancesImpl#getSymbol <em>Symbol</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class AllInstancesImpl extends ComplexObjectImpl implements AllInstances
+{
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected Symbol symbol;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected AllInstancesImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.ALL_INSTANCES;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(Symbol newSymbol, NotificationChain msgs)
+  {
+    Symbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ALL_INSTANCES__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(Symbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.ALL_INSTANCES__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.ALL_INSTANCES__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ALL_INSTANCES__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ALL_INSTANCES__SYMBOL:
+        return basicSetSymbol(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ALL_INSTANCES__SYMBOL:
+        return getSymbol();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ALL_INSTANCES__SYMBOL:
+        setSymbol((Symbol)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ALL_INSTANCES__SYMBOL:
+        setSymbol((Symbol)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ALL_INSTANCES__SYMBOL:
+        return symbol != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //AllInstancesImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/AllObjectsImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/AllObjectsImpl.java
new file mode 100644
index 00000000..b1e9c3d0
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/AllObjectsImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.AllObjects;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>All Objects</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class AllObjectsImpl extends ComplexObjectImpl implements AllObjects
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected AllObjectsImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.ALL_OBJECTS;
+  }
+} //AllObjectsImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BasicInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BasicInterpretationImpl.java
new file mode 100644
index 00000000..aef515f6
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BasicInterpretationImpl.java
@@ -0,0 +1,318 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.BasicInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ComplexObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+import org.eclipse.viatra.solver.language.solverLanguage.TruthValue;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Basic Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.BasicInterpretationImpl#getSymbol <em>Symbol</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.BasicInterpretationImpl#getObjects <em>Objects</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.BasicInterpretationImpl#getValue <em>Value</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class BasicInterpretationImpl extends InterpretationImpl implements BasicInterpretation
+{
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected Symbol symbol;
+  /**
+   * The cached value of the '{@link #getObjects() <em>Objects</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getObjects()
+   * @generated
+   * @ordered
+   */
+  protected EList<ComplexObject> objects;
+  /**
+   * The cached value of the '{@link #getValue() <em>Value</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected TruthValue value;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected BasicInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.BASIC_INTERPRETATION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(Symbol newSymbol, NotificationChain msgs)
+  {
+    Symbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(Symbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<ComplexObject> getObjects()
+  {
+    if (objects == null)
+    {
+      objects = new EObjectContainmentEList<ComplexObject>(ComplexObject.class, this, SolverLanguagePackage.BASIC_INTERPRETATION__OBJECTS);
+    }
+    return objects;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public TruthValue getValue()
+  {
+    return value;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetValue(TruthValue newValue, NotificationChain msgs)
+  {
+    TruthValue oldValue = value;
+    value = newValue;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.BASIC_INTERPRETATION__VALUE, oldValue, newValue);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setValue(TruthValue newValue)
+  {
+    if (newValue != value)
+    {
+      NotificationChain msgs = null;
+      if (value != null)
+        msgs = ((InternalEObject)value).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.BASIC_INTERPRETATION__VALUE, null, msgs);
+      if (newValue != null)
+        msgs = ((InternalEObject)newValue).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.BASIC_INTERPRETATION__VALUE, null, msgs);
+      msgs = basicSetValue(newValue, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.BASIC_INTERPRETATION__VALUE, newValue, newValue));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL:
+        return basicSetSymbol(null, msgs);
+      case SolverLanguagePackage.BASIC_INTERPRETATION__OBJECTS:
+        return ((InternalEList<?>)getObjects()).basicRemove(otherEnd, msgs);
+      case SolverLanguagePackage.BASIC_INTERPRETATION__VALUE:
+        return basicSetValue(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL:
+        return getSymbol();
+      case SolverLanguagePackage.BASIC_INTERPRETATION__OBJECTS:
+        return getObjects();
+      case SolverLanguagePackage.BASIC_INTERPRETATION__VALUE:
+        return getValue();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL:
+        setSymbol((Symbol)newValue);
+        return;
+      case SolverLanguagePackage.BASIC_INTERPRETATION__OBJECTS:
+        getObjects().clear();
+        getObjects().addAll((Collection<? extends ComplexObject>)newValue);
+        return;
+      case SolverLanguagePackage.BASIC_INTERPRETATION__VALUE:
+        setValue((TruthValue)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL:
+        setSymbol((Symbol)null);
+        return;
+      case SolverLanguagePackage.BASIC_INTERPRETATION__OBJECTS:
+        getObjects().clear();
+        return;
+      case SolverLanguagePackage.BASIC_INTERPRETATION__VALUE:
+        setValue((TruthValue)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BASIC_INTERPRETATION__SYMBOL:
+        return symbol != null;
+      case SolverLanguagePackage.BASIC_INTERPRETATION__OBJECTS:
+        return objects != null && !objects.isEmpty();
+      case SolverLanguagePackage.BASIC_INTERPRETATION__VALUE:
+        return value != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //BasicInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanFalseImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanFalseImpl.java
new file mode 100644
index 00000000..ae78f540
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanFalseImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanFalse;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Boolean False</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class BooleanFalseImpl extends BooleanValueImpl implements BooleanFalse
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected BooleanFalseImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.BOOLEAN_FALSE;
+  }
+} //BooleanFalseImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanObjectImpl.java
new file mode 100644
index 00000000..cb1a3ff4
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanObjectImpl.java
@@ -0,0 +1,196 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanObject;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanValue;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Boolean Object</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.BooleanObjectImpl#getValue <em>Value</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class BooleanObjectImpl extends DataObjectImpl implements BooleanObject
+{
+  /**
+   * The cached value of the '{@link #getValue() <em>Value</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected BooleanValue value;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected BooleanObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.BOOLEAN_OBJECT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BooleanValue getValue()
+  {
+    return value;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetValue(BooleanValue newValue, NotificationChain msgs)
+  {
+    BooleanValue oldValue = value;
+    value = newValue;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.BOOLEAN_OBJECT__VALUE, oldValue, newValue);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setValue(BooleanValue newValue)
+  {
+    if (newValue != value)
+    {
+      NotificationChain msgs = null;
+      if (value != null)
+        msgs = ((InternalEObject)value).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.BOOLEAN_OBJECT__VALUE, null, msgs);
+      if (newValue != null)
+        msgs = ((InternalEObject)newValue).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.BOOLEAN_OBJECT__VALUE, null, msgs);
+      msgs = basicSetValue(newValue, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.BOOLEAN_OBJECT__VALUE, newValue, newValue));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BOOLEAN_OBJECT__VALUE:
+        return basicSetValue(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BOOLEAN_OBJECT__VALUE:
+        return getValue();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BOOLEAN_OBJECT__VALUE:
+        setValue((BooleanValue)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BOOLEAN_OBJECT__VALUE:
+        setValue((BooleanValue)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.BOOLEAN_OBJECT__VALUE:
+        return value != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //BooleanObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanSymbolImpl.java
new file mode 100644
index 00000000..49258091
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Boolean Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class BooleanSymbolImpl extends DataSymbolImpl implements BooleanSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected BooleanSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.BOOLEAN_SYMBOL;
+  }
+} //BooleanSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanTrueImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanTrueImpl.java
new file mode 100644
index 00000000..4d110ee9
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanTrueImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanTrue;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Boolean True</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class BooleanTrueImpl extends BooleanValueImpl implements BooleanTrue
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected BooleanTrueImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.BOOLEAN_TRUE;
+  }
+} //BooleanTrueImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanValueImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanValueImpl.java
new file mode 100644
index 00000000..b27ab959
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/BooleanValueImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanValue;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Boolean Value</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class BooleanValueImpl extends MinimalEObjectImpl.Container implements BooleanValue
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected BooleanValueImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.BOOLEAN_VALUE;
+  }
+} //BooleanValueImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/CDInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/CDInterpretationImpl.java
new file mode 100644
index 00000000..b23bbba5
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/CDInterpretationImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.CDInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>CD Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class CDInterpretationImpl extends InterpretationImpl implements CDInterpretation
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected CDInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.CD_INTERPRETATION;
+  }
+} //CDInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ClassInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ClassInterpretationImpl.java
new file mode 100644
index 00000000..effc5970
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ClassInterpretationImpl.java
@@ -0,0 +1,356 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.ClassInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.FieldRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Class Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ClassInterpretationImpl#isAbstract <em>Abstract</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ClassInterpretationImpl#getSymbol <em>Symbol</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ClassInterpretationImpl#getSupertypes <em>Supertypes</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ClassInterpretationImpl#getFielt <em>Fielt</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ClassInterpretationImpl extends CDInterpretationImpl implements ClassInterpretation
+{
+  /**
+   * The default value of the '{@link #isAbstract() <em>Abstract</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isAbstract()
+   * @generated
+   * @ordered
+   */
+  protected static final boolean ABSTRACT_EDEFAULT = false;
+  /**
+   * The cached value of the '{@link #isAbstract() <em>Abstract</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isAbstract()
+   * @generated
+   * @ordered
+   */
+  protected boolean abstract_ = ABSTRACT_EDEFAULT;
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected ModelSymbol symbol;
+  /**
+   * The cached value of the '{@link #getSupertypes() <em>Supertypes</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSupertypes()
+   * @generated
+   * @ordered
+   */
+  protected EList<ModelSymbol> supertypes;
+  /**
+   * The cached value of the '{@link #getFielt() <em>Fielt</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getFielt()
+   * @generated
+   * @ordered
+   */
+  protected EList<FieldRelationInterpretation> fielt;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ClassInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.CLASS_INTERPRETATION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean isAbstract()
+  {
+    return abstract_;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setAbstract(boolean newAbstract)
+  {
+    boolean oldAbstract = abstract_;
+    abstract_ = newAbstract;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CLASS_INTERPRETATION__ABSTRACT, oldAbstract, abstract_));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
+  {
+    ModelSymbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(ModelSymbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<ModelSymbol> getSupertypes()
+  {
+    if (supertypes == null)
+    {
+      supertypes = new EObjectContainmentEList<ModelSymbol>(ModelSymbol.class, this, SolverLanguagePackage.CLASS_INTERPRETATION__SUPERTYPES);
+    }
+    return supertypes;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<FieldRelationInterpretation> getFielt()
+  {
+    if (fielt == null)
+    {
+      fielt = new EObjectContainmentEList<FieldRelationInterpretation>(FieldRelationInterpretation.class, this, SolverLanguagePackage.CLASS_INTERPRETATION__FIELT);
+    }
+    return fielt;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL:
+        return basicSetSymbol(null, msgs);
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SUPERTYPES:
+        return ((InternalEList<?>)getSupertypes()).basicRemove(otherEnd, msgs);
+      case SolverLanguagePackage.CLASS_INTERPRETATION__FIELT:
+        return ((InternalEList<?>)getFielt()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CLASS_INTERPRETATION__ABSTRACT:
+        return isAbstract();
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL:
+        return getSymbol();
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SUPERTYPES:
+        return getSupertypes();
+      case SolverLanguagePackage.CLASS_INTERPRETATION__FIELT:
+        return getFielt();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CLASS_INTERPRETATION__ABSTRACT:
+        setAbstract((Boolean)newValue);
+        return;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)newValue);
+        return;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SUPERTYPES:
+        getSupertypes().clear();
+        getSupertypes().addAll((Collection<? extends ModelSymbol>)newValue);
+        return;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__FIELT:
+        getFielt().clear();
+        getFielt().addAll((Collection<? extends FieldRelationInterpretation>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CLASS_INTERPRETATION__ABSTRACT:
+        setAbstract(ABSTRACT_EDEFAULT);
+        return;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)null);
+        return;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SUPERTYPES:
+        getSupertypes().clear();
+        return;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__FIELT:
+        getFielt().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CLASS_INTERPRETATION__ABSTRACT:
+        return abstract_ != ABSTRACT_EDEFAULT;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SYMBOL:
+        return symbol != null;
+      case SolverLanguagePackage.CLASS_INTERPRETATION__SUPERTYPES:
+        return supertypes != null && !supertypes.isEmpty();
+      case SolverLanguagePackage.CLASS_INTERPRETATION__FIELT:
+        return fielt != null && !fielt.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (abstract: ");
+    result.append(abstract_);
+    result.append(')');
+    return result.toString();
+  }
+} //ClassInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ClosureTypeImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ClosureTypeImpl.java
new file mode 100644
index 00000000..98136f79
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ClosureTypeImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.ClosureType;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Closure Type</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ClosureTypeImpl extends MinimalEObjectImpl.Container implements ClosureType
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ClosureTypeImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.CLOSURE_TYPE;
+  }
+} //ClosureTypeImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ComplexObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ComplexObjectImpl.java
new file mode 100644
index 00000000..09ad8a6d
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ComplexObjectImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.ComplexObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Complex Object</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ComplexObjectImpl extends MinimalEObjectImpl.Container implements ComplexObject
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ComplexObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.COMPLEX_OBJECT;
+  }
+} //ComplexObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ConstraintImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ConstraintImpl.java
new file mode 100644
index 00000000..2f990fee
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ConstraintImpl.java
@@ -0,0 +1,393 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.ClosureType;
+import org.eclipse.viatra.solver.language.solverLanguage.Constraint;
+import org.eclipse.viatra.solver.language.solverLanguage.Literal;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Polarity;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Constraint</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getPolarity <em>Polarity</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getSymbol <em>Symbol</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getParams <em>Params</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ConstraintImpl#getClosureType <em>Closure Type</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ConstraintImpl extends MinimalEObjectImpl.Container implements Constraint
+{
+  /**
+   * The cached value of the '{@link #getPolarity() <em>Polarity</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getPolarity()
+   * @generated
+   * @ordered
+   */
+  protected Polarity polarity;
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected ModelSymbol symbol;
+  /**
+   * The cached value of the '{@link #getParams() <em>Params</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getParams()
+   * @generated
+   * @ordered
+   */
+  protected EList<Literal> params;
+  /**
+   * The cached value of the '{@link #getClosureType() <em>Closure Type</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getClosureType()
+   * @generated
+   * @ordered
+   */
+  protected ClosureType closureType;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ConstraintImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.CONSTRAINT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Polarity getPolarity()
+  {
+    return polarity;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetPolarity(Polarity newPolarity, NotificationChain msgs)
+  {
+    Polarity oldPolarity = polarity;
+    polarity = newPolarity;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__POLARITY, oldPolarity, newPolarity);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setPolarity(Polarity newPolarity)
+  {
+    if (newPolarity != polarity)
+    {
+      NotificationChain msgs = null;
+      if (polarity != null)
+        msgs = ((InternalEObject)polarity).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__POLARITY, null, msgs);
+      if (newPolarity != null)
+        msgs = ((InternalEObject)newPolarity).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__POLARITY, null, msgs);
+      msgs = basicSetPolarity(newPolarity, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__POLARITY, newPolarity, newPolarity));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
+  {
+    ModelSymbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(ModelSymbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<Literal> getParams()
+  {
+    if (params == null)
+    {
+      params = new EObjectContainmentEList<Literal>(Literal.class, this, SolverLanguagePackage.CONSTRAINT__PARAMS);
+    }
+    return params;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ClosureType getClosureType()
+  {
+    return closureType;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetClosureType(ClosureType newClosureType, NotificationChain msgs)
+  {
+    ClosureType oldClosureType = closureType;
+    closureType = newClosureType;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, oldClosureType, newClosureType);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setClosureType(ClosureType newClosureType)
+  {
+    if (newClosureType != closureType)
+    {
+      NotificationChain msgs = null;
+      if (closureType != null)
+        msgs = ((InternalEObject)closureType).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, null, msgs);
+      if (newClosureType != null)
+        msgs = ((InternalEObject)newClosureType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, null, msgs);
+      msgs = basicSetClosureType(newClosureType, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE, newClosureType, newClosureType));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CONSTRAINT__POLARITY:
+        return basicSetPolarity(null, msgs);
+      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
+        return basicSetSymbol(null, msgs);
+      case SolverLanguagePackage.CONSTRAINT__PARAMS:
+        return ((InternalEList<?>)getParams()).basicRemove(otherEnd, msgs);
+      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
+        return basicSetClosureType(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CONSTRAINT__POLARITY:
+        return getPolarity();
+      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
+        return getSymbol();
+      case SolverLanguagePackage.CONSTRAINT__PARAMS:
+        return getParams();
+      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
+        return getClosureType();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CONSTRAINT__POLARITY:
+        setPolarity((Polarity)newValue);
+        return;
+      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
+        setSymbol((ModelSymbol)newValue);
+        return;
+      case SolverLanguagePackage.CONSTRAINT__PARAMS:
+        getParams().clear();
+        getParams().addAll((Collection<? extends Literal>)newValue);
+        return;
+      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
+        setClosureType((ClosureType)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CONSTRAINT__POLARITY:
+        setPolarity((Polarity)null);
+        return;
+      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
+        setSymbol((ModelSymbol)null);
+        return;
+      case SolverLanguagePackage.CONSTRAINT__PARAMS:
+        getParams().clear();
+        return;
+      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
+        setClosureType((ClosureType)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.CONSTRAINT__POLARITY:
+        return polarity != null;
+      case SolverLanguagePackage.CONSTRAINT__SYMBOL:
+        return symbol != null;
+      case SolverLanguagePackage.CONSTRAINT__PARAMS:
+        return params != null && !params.isEmpty();
+      case SolverLanguagePackage.CONSTRAINT__CLOSURE_TYPE:
+        return closureType != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //ConstraintImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DataObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DataObjectImpl.java
new file mode 100644
index 00000000..33bee29f
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DataObjectImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.DataObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Data Object</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class DataObjectImpl extends ObjectImpl implements DataObject
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected DataObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.DATA_OBJECT;
+  }
+} //DataObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DataSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DataSymbolImpl.java
new file mode 100644
index 00000000..221b4783
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DataSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.DataSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Data Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class DataSymbolImpl extends SymbolImpl implements DataSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected DataSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.DATA_SYMBOL;
+  }
+} //DataSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DefaultInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DefaultInterpretationImpl.java
new file mode 100644
index 00000000..eb2835a0
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/DefaultInterpretationImpl.java
@@ -0,0 +1,196 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.BasicInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.DefaultInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Default Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.DefaultInterpretationImpl#getInterpretation <em>Interpretation</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class DefaultInterpretationImpl extends InterpretationImpl implements DefaultInterpretation
+{
+  /**
+   * The cached value of the '{@link #getInterpretation() <em>Interpretation</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getInterpretation()
+   * @generated
+   * @ordered
+   */
+  protected BasicInterpretation interpretation;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected DefaultInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.DEFAULT_INTERPRETATION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BasicInterpretation getInterpretation()
+  {
+    return interpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetInterpretation(BasicInterpretation newInterpretation, NotificationChain msgs)
+  {
+    BasicInterpretation oldInterpretation = interpretation;
+    interpretation = newInterpretation;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION, oldInterpretation, newInterpretation);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setInterpretation(BasicInterpretation newInterpretation)
+  {
+    if (newInterpretation != interpretation)
+    {
+      NotificationChain msgs = null;
+      if (interpretation != null)
+        msgs = ((InternalEObject)interpretation).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION, null, msgs);
+      if (newInterpretation != null)
+        msgs = ((InternalEObject)newInterpretation).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION, null, msgs);
+      msgs = basicSetInterpretation(newInterpretation, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION, newInterpretation, newInterpretation));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION:
+        return basicSetInterpretation(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION:
+        return getInterpretation();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION:
+        setInterpretation((BasicInterpretation)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION:
+        setInterpretation((BasicInterpretation)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.DEFAULT_INTERPRETATION__INTERPRETATION:
+        return interpretation != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //DefaultInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/EnumInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/EnumInterpretationImpl.java
new file mode 100644
index 00000000..efa12ea6
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/EnumInterpretationImpl.java
@@ -0,0 +1,244 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.EnumInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.NamedObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Enum Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.EnumInterpretationImpl#getSymbol <em>Symbol</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.EnumInterpretationImpl#getObjects <em>Objects</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class EnumInterpretationImpl extends CDInterpretationImpl implements EnumInterpretation
+{
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected ModelSymbol symbol;
+  /**
+   * The cached value of the '{@link #getObjects() <em>Objects</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getObjects()
+   * @generated
+   * @ordered
+   */
+  protected EList<NamedObject> objects;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected EnumInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.ENUM_INTERPRETATION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
+  {
+    ModelSymbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(ModelSymbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<NamedObject> getObjects()
+  {
+    if (objects == null)
+    {
+      objects = new EObjectContainmentEList<NamedObject>(NamedObject.class, this, SolverLanguagePackage.ENUM_INTERPRETATION__OBJECTS);
+    }
+    return objects;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL:
+        return basicSetSymbol(null, msgs);
+      case SolverLanguagePackage.ENUM_INTERPRETATION__OBJECTS:
+        return ((InternalEList<?>)getObjects()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL:
+        return getSymbol();
+      case SolverLanguagePackage.ENUM_INTERPRETATION__OBJECTS:
+        return getObjects();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)newValue);
+        return;
+      case SolverLanguagePackage.ENUM_INTERPRETATION__OBJECTS:
+        getObjects().clear();
+        getObjects().addAll((Collection<? extends NamedObject>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)null);
+        return;
+      case SolverLanguagePackage.ENUM_INTERPRETATION__OBJECTS:
+        getObjects().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ENUM_INTERPRETATION__SYMBOL:
+        return symbol != null;
+      case SolverLanguagePackage.ENUM_INTERPRETATION__OBJECTS:
+        return objects != null && !objects.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+} //EnumInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/EqualsSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/EqualsSymbolImpl.java
new file mode 100644
index 00000000..33929f42
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/EqualsSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.EqualsSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Equals Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class EqualsSymbolImpl extends PartialitySymbolImpl implements EqualsSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected EqualsSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.EQUALS_SYMBOL;
+  }
+} //EqualsSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ErrorImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ErrorImpl.java
new file mode 100644
index 00000000..e58094a7
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ErrorImpl.java
@@ -0,0 +1,40 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Error</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ErrorImpl extends TruthValueImpl implements org.eclipse.viatra.solver.language.solverLanguage.Error
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ErrorImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.ERROR;
+  }
+} //ErrorImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ErrorPredicateImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ErrorPredicateImpl.java
new file mode 100644
index 00000000..f9b0e8c8
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ErrorPredicateImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.ErrorPredicate;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Error Predicate</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ErrorPredicateImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ErrorPredicateImpl extends PredicateImpl implements ErrorPredicate
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ErrorPredicateImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.ERROR_PREDICATE;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String getName()
+  {
+    return name;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ERROR_PREDICATE__NAME, oldName, name));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ERROR_PREDICATE__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ERROR_PREDICATE__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ERROR_PREDICATE__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.ERROR_PREDICATE__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+} //ErrorPredicateImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ExistSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ExistSymbolImpl.java
new file mode 100644
index 00000000..2fd59e41
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ExistSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.ExistSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Exist Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ExistSymbolImpl extends PartialitySymbolImpl implements ExistSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ExistSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.EXIST_SYMBOL;
+  }
+} //ExistSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/FalseImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/FalseImpl.java
new file mode 100644
index 00000000..332f9af3
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/FalseImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.False;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>False</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class FalseImpl extends TruthValueImpl implements False
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected FalseImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.FALSE;
+  }
+} //FalseImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/FieldRelationInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/FieldRelationInterpretationImpl.java
new file mode 100644
index 00000000..ea9b80b2
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/FieldRelationInterpretationImpl.java
@@ -0,0 +1,418 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.FieldRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.MultiplicityDefinition;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Field Relation Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.FieldRelationInterpretationImpl#isContainment <em>Containment</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.FieldRelationInterpretationImpl#getSymbol <em>Symbol</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.FieldRelationInterpretationImpl#getMultiplicity <em>Multiplicity</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.FieldRelationInterpretationImpl#getTarget <em>Target</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class FieldRelationInterpretationImpl extends MinimalEObjectImpl.Container implements FieldRelationInterpretation
+{
+  /**
+   * The default value of the '{@link #isContainment() <em>Containment</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isContainment()
+   * @generated
+   * @ordered
+   */
+  protected static final boolean CONTAINMENT_EDEFAULT = false;
+  /**
+   * The cached value of the '{@link #isContainment() <em>Containment</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isContainment()
+   * @generated
+   * @ordered
+   */
+  protected boolean containment = CONTAINMENT_EDEFAULT;
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected ModelSymbol symbol;
+  /**
+   * The cached value of the '{@link #getMultiplicity() <em>Multiplicity</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getMultiplicity()
+   * @generated
+   * @ordered
+   */
+  protected MultiplicityDefinition multiplicity;
+  /**
+   * The cached value of the '{@link #getTarget() <em>Target</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getTarget()
+   * @generated
+   * @ordered
+   */
+  protected Symbol target;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected FieldRelationInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.FIELD_RELATION_INTERPRETATION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean isContainment()
+  {
+    return containment;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setContainment(boolean newContainment)
+  {
+    boolean oldContainment = containment;
+    containment = newContainment;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__CONTAINMENT, oldContainment, containment));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
+  {
+    ModelSymbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(ModelSymbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public MultiplicityDefinition getMultiplicity()
+  {
+    return multiplicity;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetMultiplicity(MultiplicityDefinition newMultiplicity, NotificationChain msgs)
+  {
+    MultiplicityDefinition oldMultiplicity = multiplicity;
+    multiplicity = newMultiplicity;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY, oldMultiplicity, newMultiplicity);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setMultiplicity(MultiplicityDefinition newMultiplicity)
+  {
+    if (newMultiplicity != multiplicity)
+    {
+      NotificationChain msgs = null;
+      if (multiplicity != null)
+        msgs = ((InternalEObject)multiplicity).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY, null, msgs);
+      if (newMultiplicity != null)
+        msgs = ((InternalEObject)newMultiplicity).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY, null, msgs);
+      msgs = basicSetMultiplicity(newMultiplicity, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY, newMultiplicity, newMultiplicity));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol getTarget()
+  {
+    return target;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetTarget(Symbol newTarget, NotificationChain msgs)
+  {
+    Symbol oldTarget = target;
+    target = newTarget;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET, oldTarget, newTarget);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setTarget(Symbol newTarget)
+  {
+    if (newTarget != target)
+    {
+      NotificationChain msgs = null;
+      if (target != null)
+        msgs = ((InternalEObject)target).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET, null, msgs);
+      if (newTarget != null)
+        msgs = ((InternalEObject)newTarget).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET, null, msgs);
+      msgs = basicSetTarget(newTarget, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET, newTarget, newTarget));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL:
+        return basicSetSymbol(null, msgs);
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY:
+        return basicSetMultiplicity(null, msgs);
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET:
+        return basicSetTarget(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__CONTAINMENT:
+        return isContainment();
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL:
+        return getSymbol();
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY:
+        return getMultiplicity();
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET:
+        return getTarget();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__CONTAINMENT:
+        setContainment((Boolean)newValue);
+        return;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)newValue);
+        return;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY:
+        setMultiplicity((MultiplicityDefinition)newValue);
+        return;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET:
+        setTarget((Symbol)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__CONTAINMENT:
+        setContainment(CONTAINMENT_EDEFAULT);
+        return;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)null);
+        return;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY:
+        setMultiplicity((MultiplicityDefinition)null);
+        return;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET:
+        setTarget((Symbol)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__CONTAINMENT:
+        return containment != CONTAINMENT_EDEFAULT;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__SYMBOL:
+        return symbol != null;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__MULTIPLICITY:
+        return multiplicity != null;
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION__TARGET:
+        return target != null;
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (containment: ");
+    result.append(containment);
+    result.append(')');
+    return result.toString();
+  }
+} //FieldRelationInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/GlobalRelationInterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/GlobalRelationInterpretationImpl.java
new file mode 100644
index 00000000..52f7a67d
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/GlobalRelationInterpretationImpl.java
@@ -0,0 +1,563 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.GlobalRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.MultiplicityDefinition;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Global Relation Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.GlobalRelationInterpretationImpl#isContainment <em>Containment</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.GlobalRelationInterpretationImpl#getSymbol <em>Symbol</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.GlobalRelationInterpretationImpl#getSourceMultiplicity <em>Source Multiplicity</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.GlobalRelationInterpretationImpl#getSource <em>Source</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.GlobalRelationInterpretationImpl#getTargetMultiplicity <em>Target Multiplicity</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.GlobalRelationInterpretationImpl#getTarget <em>Target</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class GlobalRelationInterpretationImpl extends CDInterpretationImpl implements GlobalRelationInterpretation
+{
+  /**
+   * The default value of the '{@link #isContainment() <em>Containment</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isContainment()
+   * @generated
+   * @ordered
+   */
+  protected static final boolean CONTAINMENT_EDEFAULT = false;
+  /**
+   * The cached value of the '{@link #isContainment() <em>Containment</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isContainment()
+   * @generated
+   * @ordered
+   */
+  protected boolean containment = CONTAINMENT_EDEFAULT;
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected ModelSymbol symbol;
+  /**
+   * The cached value of the '{@link #getSourceMultiplicity() <em>Source Multiplicity</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSourceMultiplicity()
+   * @generated
+   * @ordered
+   */
+  protected MultiplicityDefinition sourceMultiplicity;
+  /**
+   * The cached value of the '{@link #getSource() <em>Source</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSource()
+   * @generated
+   * @ordered
+   */
+  protected Symbol source;
+  /**
+   * The cached value of the '{@link #getTargetMultiplicity() <em>Target Multiplicity</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getTargetMultiplicity()
+   * @generated
+   * @ordered
+   */
+  protected MultiplicityDefinition targetMultiplicity;
+  /**
+   * The cached value of the '{@link #getTarget() <em>Target</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getTarget()
+   * @generated
+   * @ordered
+   */
+  protected Symbol target;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected GlobalRelationInterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.GLOBAL_RELATION_INTERPRETATION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean isContainment()
+  {
+    return containment;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setContainment(boolean newContainment)
+  {
+    boolean oldContainment = containment;
+    containment = newContainment;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__CONTAINMENT, oldContainment, containment));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
+  {
+    ModelSymbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(ModelSymbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public MultiplicityDefinition getSourceMultiplicity()
+  {
+    return sourceMultiplicity;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSourceMultiplicity(MultiplicityDefinition newSourceMultiplicity, NotificationChain msgs)
+  {
+    MultiplicityDefinition oldSourceMultiplicity = sourceMultiplicity;
+    sourceMultiplicity = newSourceMultiplicity;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY, oldSourceMultiplicity, newSourceMultiplicity);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSourceMultiplicity(MultiplicityDefinition newSourceMultiplicity)
+  {
+    if (newSourceMultiplicity != sourceMultiplicity)
+    {
+      NotificationChain msgs = null;
+      if (sourceMultiplicity != null)
+        msgs = ((InternalEObject)sourceMultiplicity).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY, null, msgs);
+      if (newSourceMultiplicity != null)
+        msgs = ((InternalEObject)newSourceMultiplicity).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY, null, msgs);
+      msgs = basicSetSourceMultiplicity(newSourceMultiplicity, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY, newSourceMultiplicity, newSourceMultiplicity));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol getSource()
+  {
+    return source;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSource(Symbol newSource, NotificationChain msgs)
+  {
+    Symbol oldSource = source;
+    source = newSource;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE, oldSource, newSource);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSource(Symbol newSource)
+  {
+    if (newSource != source)
+    {
+      NotificationChain msgs = null;
+      if (source != null)
+        msgs = ((InternalEObject)source).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE, null, msgs);
+      if (newSource != null)
+        msgs = ((InternalEObject)newSource).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE, null, msgs);
+      msgs = basicSetSource(newSource, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE, newSource, newSource));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public MultiplicityDefinition getTargetMultiplicity()
+  {
+    return targetMultiplicity;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetTargetMultiplicity(MultiplicityDefinition newTargetMultiplicity, NotificationChain msgs)
+  {
+    MultiplicityDefinition oldTargetMultiplicity = targetMultiplicity;
+    targetMultiplicity = newTargetMultiplicity;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY, oldTargetMultiplicity, newTargetMultiplicity);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setTargetMultiplicity(MultiplicityDefinition newTargetMultiplicity)
+  {
+    if (newTargetMultiplicity != targetMultiplicity)
+    {
+      NotificationChain msgs = null;
+      if (targetMultiplicity != null)
+        msgs = ((InternalEObject)targetMultiplicity).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY, null, msgs);
+      if (newTargetMultiplicity != null)
+        msgs = ((InternalEObject)newTargetMultiplicity).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY, null, msgs);
+      msgs = basicSetTargetMultiplicity(newTargetMultiplicity, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY, newTargetMultiplicity, newTargetMultiplicity));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol getTarget()
+  {
+    return target;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetTarget(Symbol newTarget, NotificationChain msgs)
+  {
+    Symbol oldTarget = target;
+    target = newTarget;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET, oldTarget, newTarget);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setTarget(Symbol newTarget)
+  {
+    if (newTarget != target)
+    {
+      NotificationChain msgs = null;
+      if (target != null)
+        msgs = ((InternalEObject)target).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET, null, msgs);
+      if (newTarget != null)
+        msgs = ((InternalEObject)newTarget).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET, null, msgs);
+      msgs = basicSetTarget(newTarget, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET, newTarget, newTarget));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL:
+        return basicSetSymbol(null, msgs);
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY:
+        return basicSetSourceMultiplicity(null, msgs);
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE:
+        return basicSetSource(null, msgs);
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY:
+        return basicSetTargetMultiplicity(null, msgs);
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET:
+        return basicSetTarget(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__CONTAINMENT:
+        return isContainment();
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL:
+        return getSymbol();
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY:
+        return getSourceMultiplicity();
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE:
+        return getSource();
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY:
+        return getTargetMultiplicity();
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET:
+        return getTarget();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__CONTAINMENT:
+        setContainment((Boolean)newValue);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)newValue);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY:
+        setSourceMultiplicity((MultiplicityDefinition)newValue);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE:
+        setSource((Symbol)newValue);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY:
+        setTargetMultiplicity((MultiplicityDefinition)newValue);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET:
+        setTarget((Symbol)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__CONTAINMENT:
+        setContainment(CONTAINMENT_EDEFAULT);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL:
+        setSymbol((ModelSymbol)null);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY:
+        setSourceMultiplicity((MultiplicityDefinition)null);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE:
+        setSource((Symbol)null);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY:
+        setTargetMultiplicity((MultiplicityDefinition)null);
+        return;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET:
+        setTarget((Symbol)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__CONTAINMENT:
+        return containment != CONTAINMENT_EDEFAULT;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SYMBOL:
+        return symbol != null;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY:
+        return sourceMultiplicity != null;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__SOURCE:
+        return source != null;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY:
+        return targetMultiplicity != null;
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION__TARGET:
+        return target != null;
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (containment: ");
+    result.append(containment);
+    result.append(')');
+    return result.toString();
+  }
+} //GlobalRelationInterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IntObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IntObjectImpl.java
new file mode 100644
index 00000000..fa844b68
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IntObjectImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.IntObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Int Object</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.IntObjectImpl#getValue <em>Value</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class IntObjectImpl extends DataObjectImpl implements IntObject
+{
+  /**
+   * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected static final int VALUE_EDEFAULT = 0;
+  /**
+   * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected int value = VALUE_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected IntObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.INT_OBJECT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public int getValue()
+  {
+    return value;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setValue(int newValue)
+  {
+    int oldValue = value;
+    value = newValue;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.INT_OBJECT__VALUE, oldValue, value));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.INT_OBJECT__VALUE:
+        return getValue();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.INT_OBJECT__VALUE:
+        setValue((Integer)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.INT_OBJECT__VALUE:
+        setValue(VALUE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.INT_OBJECT__VALUE:
+        return value != VALUE_EDEFAULT;
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (value: ");
+    result.append(value);
+    result.append(')');
+    return result.toString();
+  }
+} //IntObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IntegerSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IntegerSymbolImpl.java
new file mode 100644
index 00000000..bcd978fa
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IntegerSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.IntegerSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Integer Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class IntegerSymbolImpl extends DataSymbolImpl implements IntegerSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected IntegerSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.INTEGER_SYMBOL;
+  }
+} //IntegerSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/InterpretationImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/InterpretationImpl.java
new file mode 100644
index 00000000..fb41d77d
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/InterpretationImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.Interpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Interpretation</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class InterpretationImpl extends StatementImpl implements Interpretation
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected InterpretationImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.INTERPRETATION;
+  }
+} //InterpretationImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IrreflexiveClosureImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IrreflexiveClosureImpl.java
new file mode 100644
index 00000000..07ad66f9
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/IrreflexiveClosureImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.IrreflexiveClosure;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Irreflexive Closure</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class IrreflexiveClosureImpl extends ClosureTypeImpl implements IrreflexiveClosure
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected IrreflexiveClosureImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.IRREFLEXIVE_CLOSURE;
+  }
+} //IrreflexiveClosureImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/LiteralImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/LiteralImpl.java
new file mode 100644
index 00000000..518aa2b7
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/LiteralImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.Literal;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Literal</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class LiteralImpl extends MinimalEObjectImpl.Container implements Literal
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected LiteralImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.LITERAL;
+  }
+} //LiteralImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ModelSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ModelSymbolImpl.java
new file mode 100644
index 00000000..bd195572
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ModelSymbolImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Model Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ModelSymbolImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ModelSymbolImpl extends SymbolImpl implements ModelSymbol
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ModelSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.MODEL_SYMBOL;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String getName()
+  {
+    return name;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.MODEL_SYMBOL__NAME, oldName, name));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MODEL_SYMBOL__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MODEL_SYMBOL__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MODEL_SYMBOL__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MODEL_SYMBOL__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+} //ModelSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/MultiplicityDefinitionImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/MultiplicityDefinitionImpl.java
new file mode 100644
index 00000000..a346568c
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/MultiplicityDefinitionImpl.java
@@ -0,0 +1,296 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.MultiplicityDefinition;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Multiplicity Definition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.MultiplicityDefinitionImpl#getLower <em>Lower</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.MultiplicityDefinitionImpl#getUpper <em>Upper</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.MultiplicityDefinitionImpl#isUnlimitedUpper <em>Unlimited Upper</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class MultiplicityDefinitionImpl extends MinimalEObjectImpl.Container implements MultiplicityDefinition
+{
+  /**
+   * The default value of the '{@link #getLower() <em>Lower</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getLower()
+   * @generated
+   * @ordered
+   */
+  protected static final int LOWER_EDEFAULT = 0;
+  /**
+   * The cached value of the '{@link #getLower() <em>Lower</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getLower()
+   * @generated
+   * @ordered
+   */
+  protected int lower = LOWER_EDEFAULT;
+  /**
+   * The default value of the '{@link #getUpper() <em>Upper</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getUpper()
+   * @generated
+   * @ordered
+   */
+  protected static final int UPPER_EDEFAULT = 0;
+  /**
+   * The cached value of the '{@link #getUpper() <em>Upper</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getUpper()
+   * @generated
+   * @ordered
+   */
+  protected int upper = UPPER_EDEFAULT;
+  /**
+   * The default value of the '{@link #isUnlimitedUpper() <em>Unlimited Upper</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isUnlimitedUpper()
+   * @generated
+   * @ordered
+   */
+  protected static final boolean UNLIMITED_UPPER_EDEFAULT = false;
+  /**
+   * The cached value of the '{@link #isUnlimitedUpper() <em>Unlimited Upper</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #isUnlimitedUpper()
+   * @generated
+   * @ordered
+   */
+  protected boolean unlimitedUpper = UNLIMITED_UPPER_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected MultiplicityDefinitionImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.MULTIPLICITY_DEFINITION;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public int getLower()
+  {
+    return lower;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setLower(int newLower)
+  {
+    int oldLower = lower;
+    lower = newLower;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.MULTIPLICITY_DEFINITION__LOWER, oldLower, lower));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public int getUpper()
+  {
+    return upper;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setUpper(int newUpper)
+  {
+    int oldUpper = upper;
+    upper = newUpper;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.MULTIPLICITY_DEFINITION__UPPER, oldUpper, upper));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean isUnlimitedUpper()
+  {
+    return unlimitedUpper;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setUnlimitedUpper(boolean newUnlimitedUpper)
+  {
+    boolean oldUnlimitedUpper = unlimitedUpper;
+    unlimitedUpper = newUnlimitedUpper;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.MULTIPLICITY_DEFINITION__UNLIMITED_UPPER, oldUnlimitedUpper, unlimitedUpper));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__LOWER:
+        return getLower();
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UPPER:
+        return getUpper();
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UNLIMITED_UPPER:
+        return isUnlimitedUpper();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__LOWER:
+        setLower((Integer)newValue);
+        return;
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UPPER:
+        setUpper((Integer)newValue);
+        return;
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UNLIMITED_UPPER:
+        setUnlimitedUpper((Boolean)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__LOWER:
+        setLower(LOWER_EDEFAULT);
+        return;
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UPPER:
+        setUpper(UPPER_EDEFAULT);
+        return;
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UNLIMITED_UPPER:
+        setUnlimitedUpper(UNLIMITED_UPPER_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__LOWER:
+        return lower != LOWER_EDEFAULT;
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UPPER:
+        return upper != UPPER_EDEFAULT;
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION__UNLIMITED_UPPER:
+        return unlimitedUpper != UNLIMITED_UPPER_EDEFAULT;
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (lower: ");
+    result.append(lower);
+    result.append(", upper: ");
+    result.append(upper);
+    result.append(", unlimitedUpper: ");
+    result.append(unlimitedUpper);
+    result.append(')');
+    return result.toString();
+  }
+} //MultiplicityDefinitionImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/NamedObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/NamedObjectImpl.java
new file mode 100644
index 00000000..9d907661
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/NamedObjectImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.NamedObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Named Object</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.NamedObjectImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class NamedObjectImpl extends ObjectImpl implements NamedObject
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected NamedObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.NAMED_OBJECT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String getName()
+  {
+    return name;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.NAMED_OBJECT__NAME, oldName, name));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.NAMED_OBJECT__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.NAMED_OBJECT__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.NAMED_OBJECT__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.NAMED_OBJECT__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+} //NamedObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/NegativeImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/NegativeImpl.java
new file mode 100644
index 00000000..a30b228f
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/NegativeImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.Negative;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Negative</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class NegativeImpl extends PolarityImpl implements Negative
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected NegativeImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.NEGATIVE;
+  }
+} //NegativeImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ObjectImpl.java
new file mode 100644
index 00000000..d2f9b8d9
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ObjectImpl.java
@@ -0,0 +1,40 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Object</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ObjectImpl extends ComplexObjectImpl implements org.eclipse.viatra.solver.language.solverLanguage.Object
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.OBJECT;
+  }
+} //ObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ParameterImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ParameterImpl.java
new file mode 100644
index 00000000..6281c4bc
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ParameterImpl.java
@@ -0,0 +1,271 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.Parameter;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Variable;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Parameter</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ParameterImpl#getVariable <em>Variable</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ParameterImpl#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ParameterImpl extends MinimalEObjectImpl.Container implements Parameter
+{
+  /**
+   * The cached value of the '{@link #getVariable() <em>Variable</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getVariable()
+   * @generated
+   * @ordered
+   */
+  protected Variable variable;
+  /**
+   * The cached value of the '{@link #getType() <em>Type</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getType()
+   * @generated
+   * @ordered
+   */
+  protected Symbol type;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ParameterImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.PARAMETER;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Variable getVariable()
+  {
+    return variable;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetVariable(Variable newVariable, NotificationChain msgs)
+  {
+    Variable oldVariable = variable;
+    variable = newVariable;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PARAMETER__VARIABLE, oldVariable, newVariable);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setVariable(Variable newVariable)
+  {
+    if (newVariable != variable)
+    {
+      NotificationChain msgs = null;
+      if (variable != null)
+        msgs = ((InternalEObject)variable).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PARAMETER__VARIABLE, null, msgs);
+      if (newVariable != null)
+        msgs = ((InternalEObject)newVariable).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PARAMETER__VARIABLE, null, msgs);
+      msgs = basicSetVariable(newVariable, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PARAMETER__VARIABLE, newVariable, newVariable));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol getType()
+  {
+    return type;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetType(Symbol newType, NotificationChain msgs)
+  {
+    Symbol oldType = type;
+    type = newType;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PARAMETER__TYPE, oldType, newType);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setType(Symbol newType)
+  {
+    if (newType != type)
+    {
+      NotificationChain msgs = null;
+      if (type != null)
+        msgs = ((InternalEObject)type).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PARAMETER__TYPE, null, msgs);
+      if (newType != null)
+        msgs = ((InternalEObject)newType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PARAMETER__TYPE, null, msgs);
+      msgs = basicSetType(newType, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PARAMETER__TYPE, newType, newType));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PARAMETER__VARIABLE:
+        return basicSetVariable(null, msgs);
+      case SolverLanguagePackage.PARAMETER__TYPE:
+        return basicSetType(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PARAMETER__VARIABLE:
+        return getVariable();
+      case SolverLanguagePackage.PARAMETER__TYPE:
+        return getType();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PARAMETER__VARIABLE:
+        setVariable((Variable)newValue);
+        return;
+      case SolverLanguagePackage.PARAMETER__TYPE:
+        setType((Symbol)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PARAMETER__VARIABLE:
+        setVariable((Variable)null);
+        return;
+      case SolverLanguagePackage.PARAMETER__TYPE:
+        setType((Symbol)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PARAMETER__VARIABLE:
+        return variable != null;
+      case SolverLanguagePackage.PARAMETER__TYPE:
+        return type != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //ParameterImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PartialitySymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PartialitySymbolImpl.java
new file mode 100644
index 00000000..efc2c5f5
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PartialitySymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.PartialitySymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Partiality Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class PartialitySymbolImpl extends SymbolImpl implements PartialitySymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PartialitySymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.PARTIALITY_SYMBOL;
+  }
+} //PartialitySymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PatternBodyImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PatternBodyImpl.java
new file mode 100644
index 00000000..5cd03fbf
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PatternBodyImpl.java
@@ -0,0 +1,169 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.Constraint;
+import org.eclipse.viatra.solver.language.solverLanguage.PatternBody;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Pattern Body</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PatternBodyImpl#getConstraints <em>Constraints</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class PatternBodyImpl extends MinimalEObjectImpl.Container implements PatternBody
+{
+  /**
+   * The cached value of the '{@link #getConstraints() <em>Constraints</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getConstraints()
+   * @generated
+   * @ordered
+   */
+  protected EList<Constraint> constraints;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PatternBodyImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.PATTERN_BODY;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<Constraint> getConstraints()
+  {
+    if (constraints == null)
+    {
+      constraints = new EObjectContainmentEList<Constraint>(Constraint.class, this, SolverLanguagePackage.PATTERN_BODY__CONSTRAINTS);
+    }
+    return constraints;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PATTERN_BODY__CONSTRAINTS:
+        return ((InternalEList<?>)getConstraints()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PATTERN_BODY__CONSTRAINTS:
+        return getConstraints();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PATTERN_BODY__CONSTRAINTS:
+        getConstraints().clear();
+        getConstraints().addAll((Collection<? extends Constraint>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PATTERN_BODY__CONSTRAINTS:
+        getConstraints().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PATTERN_BODY__CONSTRAINTS:
+        return constraints != null && !constraints.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+} //PatternBodyImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PolarityImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PolarityImpl.java
new file mode 100644
index 00000000..7c2ae07d
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PolarityImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.Polarity;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Polarity</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class PolarityImpl extends MinimalEObjectImpl.Container implements Polarity
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PolarityImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.POLARITY;
+  }
+} //PolarityImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PositiveImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PositiveImpl.java
new file mode 100644
index 00000000..130cfe7a
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PositiveImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.Positive;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Positive</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class PositiveImpl extends PolarityImpl implements Positive
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PositiveImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.POSITIVE;
+  }
+} //PositiveImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PredicateImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PredicateImpl.java
new file mode 100644
index 00000000..947d74bb
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PredicateImpl.java
@@ -0,0 +1,207 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.Parameter;
+import org.eclipse.viatra.solver.language.solverLanguage.PatternBody;
+import org.eclipse.viatra.solver.language.solverLanguage.Predicate;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Predicate</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateImpl#getParameters <em>Parameters</em>}</li>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateImpl#getBodies <em>Bodies</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class PredicateImpl extends StatementImpl implements Predicate
+{
+  /**
+   * The cached value of the '{@link #getParameters() <em>Parameters</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getParameters()
+   * @generated
+   * @ordered
+   */
+  protected EList<Parameter> parameters;
+  /**
+   * The cached value of the '{@link #getBodies() <em>Bodies</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getBodies()
+   * @generated
+   * @ordered
+   */
+  protected EList<PatternBody> bodies;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PredicateImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.PREDICATE;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<Parameter> getParameters()
+  {
+    if (parameters == null)
+    {
+      parameters = new EObjectContainmentEList<Parameter>(Parameter.class, this, SolverLanguagePackage.PREDICATE__PARAMETERS);
+    }
+    return parameters;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<PatternBody> getBodies()
+  {
+    if (bodies == null)
+    {
+      bodies = new EObjectContainmentEList<PatternBody>(PatternBody.class, this, SolverLanguagePackage.PREDICATE__BODIES);
+    }
+    return bodies;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE__PARAMETERS:
+        return ((InternalEList<?>)getParameters()).basicRemove(otherEnd, msgs);
+      case SolverLanguagePackage.PREDICATE__BODIES:
+        return ((InternalEList<?>)getBodies()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE__PARAMETERS:
+        return getParameters();
+      case SolverLanguagePackage.PREDICATE__BODIES:
+        return getBodies();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE__PARAMETERS:
+        getParameters().clear();
+        getParameters().addAll((Collection<? extends Parameter>)newValue);
+        return;
+      case SolverLanguagePackage.PREDICATE__BODIES:
+        getBodies().clear();
+        getBodies().addAll((Collection<? extends PatternBody>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE__PARAMETERS:
+        getParameters().clear();
+        return;
+      case SolverLanguagePackage.PREDICATE__BODIES:
+        getBodies().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE__PARAMETERS:
+        return parameters != null && !parameters.isEmpty();
+      case SolverLanguagePackage.PREDICATE__BODIES:
+        return bodies != null && !bodies.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+} //PredicateImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PredicateSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PredicateSymbolImpl.java
new file mode 100644
index 00000000..f49c6701
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/PredicateSymbolImpl.java
@@ -0,0 +1,196 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.PredicateSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Predicate Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.PredicateSymbolImpl#getSymbol <em>Symbol</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class PredicateSymbolImpl extends PredicateImpl implements PredicateSymbol
+{
+  /**
+   * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getSymbol()
+   * @generated
+   * @ordered
+   */
+  protected ModelSymbol symbol;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PredicateSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.PREDICATE_SYMBOL;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol getSymbol()
+  {
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetSymbol(ModelSymbol newSymbol, NotificationChain msgs)
+  {
+    ModelSymbol oldSymbol = symbol;
+    symbol = newSymbol;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL, oldSymbol, newSymbol);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setSymbol(ModelSymbol newSymbol)
+  {
+    if (newSymbol != symbol)
+    {
+      NotificationChain msgs = null;
+      if (symbol != null)
+        msgs = ((InternalEObject)symbol).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL, null, msgs);
+      if (newSymbol != null)
+        msgs = ((InternalEObject)newSymbol).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL, null, msgs);
+      msgs = basicSetSymbol(newSymbol, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL, newSymbol, newSymbol));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL:
+        return basicSetSymbol(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL:
+        return getSymbol();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL:
+        setSymbol((ModelSymbol)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL:
+        setSymbol((ModelSymbol)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PREDICATE_SYMBOL__SYMBOL:
+        return symbol != null;
+    }
+    return super.eIsSet(featureID);
+  }
+} //PredicateSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ProblemImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ProblemImpl.java
new file mode 100644
index 00000000..e5cc3585
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ProblemImpl.java
@@ -0,0 +1,169 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.util.Collection;
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.viatra.solver.language.solverLanguage.Problem;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Statement;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Problem</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.ProblemImpl#getStatements <em>Statements</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ProblemImpl extends MinimalEObjectImpl.Container implements Problem
+{
+  /**
+   * The cached value of the '{@link #getStatements() <em>Statements</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getStatements()
+   * @generated
+   * @ordered
+   */
+  protected EList<Statement> statements;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ProblemImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.PROBLEM;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EList<Statement> getStatements()
+  {
+    if (statements == null)
+    {
+      statements = new EObjectContainmentEList<Statement>(Statement.class, this, SolverLanguagePackage.PROBLEM__STATEMENTS);
+    }
+    return statements;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PROBLEM__STATEMENTS:
+        return ((InternalEList<?>)getStatements()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PROBLEM__STATEMENTS:
+        return getStatements();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PROBLEM__STATEMENTS:
+        getStatements().clear();
+        getStatements().addAll((Collection<? extends Statement>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PROBLEM__STATEMENTS:
+        getStatements().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.PROBLEM__STATEMENTS:
+        return statements != null && !statements.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+} //ProblemImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/RealObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/RealObjectImpl.java
new file mode 100644
index 00000000..bc32a9a6
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/RealObjectImpl.java
@@ -0,0 +1,181 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import java.math.BigDecimal;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.RealObject;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Real Object</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.RealObjectImpl#getValue <em>Value</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class RealObjectImpl extends DataObjectImpl implements RealObject
+{
+  /**
+   * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected static final BigDecimal VALUE_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected BigDecimal value = VALUE_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected RealObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.REAL_OBJECT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BigDecimal getValue()
+  {
+    return value;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setValue(BigDecimal newValue)
+  {
+    BigDecimal oldValue = value;
+    value = newValue;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.REAL_OBJECT__VALUE, oldValue, value));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.REAL_OBJECT__VALUE:
+        return getValue();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.REAL_OBJECT__VALUE:
+        setValue((BigDecimal)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.REAL_OBJECT__VALUE:
+        setValue(VALUE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.REAL_OBJECT__VALUE:
+        return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (value: ");
+    result.append(value);
+    result.append(')');
+    return result.toString();
+  }
+} //RealObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/RealSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/RealSymbolImpl.java
new file mode 100644
index 00000000..8cfd0980
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/RealSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.RealSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Real Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class RealSymbolImpl extends DataSymbolImpl implements RealSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected RealSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.REAL_SYMBOL;
+  }
+} //RealSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ReflexiveClosureImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ReflexiveClosureImpl.java
new file mode 100644
index 00000000..111b48cb
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/ReflexiveClosureImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.ReflexiveClosure;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Reflexive Closure</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class ReflexiveClosureImpl extends ClosureTypeImpl implements ReflexiveClosure
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ReflexiveClosureImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.REFLEXIVE_CLOSURE;
+  }
+} //ReflexiveClosureImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SolverLanguageFactoryImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SolverLanguageFactoryImpl.java
new file mode 100644
index 00000000..12ffc551
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SolverLanguageFactoryImpl.java
@@ -0,0 +1,851 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+import org.eclipse.viatra.solver.language.solverLanguage.AllInstances;
+import org.eclipse.viatra.solver.language.solverLanguage.AllObjects;
+import org.eclipse.viatra.solver.language.solverLanguage.BasicInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanFalse;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanObject;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanTrue;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanValue;
+import org.eclipse.viatra.solver.language.solverLanguage.CDInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ClassInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ClosureType;
+import org.eclipse.viatra.solver.language.solverLanguage.ComplexObject;
+import org.eclipse.viatra.solver.language.solverLanguage.Constraint;
+import org.eclipse.viatra.solver.language.solverLanguage.DataObject;
+import org.eclipse.viatra.solver.language.solverLanguage.DataSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.DefaultInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.EnumInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.EqualsSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.ErrorPredicate;
+import org.eclipse.viatra.solver.language.solverLanguage.ExistSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.False;
+import org.eclipse.viatra.solver.language.solverLanguage.FieldRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.GlobalRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.IntObject;
+import org.eclipse.viatra.solver.language.solverLanguage.IntegerSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Interpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.IrreflexiveClosure;
+import org.eclipse.viatra.solver.language.solverLanguage.Literal;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.MultiplicityDefinition;
+import org.eclipse.viatra.solver.language.solverLanguage.NamedObject;
+import org.eclipse.viatra.solver.language.solverLanguage.Negative;
+import org.eclipse.viatra.solver.language.solverLanguage.Parameter;
+import org.eclipse.viatra.solver.language.solverLanguage.PartialitySymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.PatternBody;
+import org.eclipse.viatra.solver.language.solverLanguage.Polarity;
+import org.eclipse.viatra.solver.language.solverLanguage.Positive;
+import org.eclipse.viatra.solver.language.solverLanguage.Predicate;
+import org.eclipse.viatra.solver.language.solverLanguage.PredicateSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Problem;
+import org.eclipse.viatra.solver.language.solverLanguage.RealObject;
+import org.eclipse.viatra.solver.language.solverLanguage.RealSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.ReflexiveClosure;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguageFactory;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Statement;
+import org.eclipse.viatra.solver.language.solverLanguage.StringObject;
+import org.eclipse.viatra.solver.language.solverLanguage.StringSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+import org.eclipse.viatra.solver.language.solverLanguage.True;
+import org.eclipse.viatra.solver.language.solverLanguage.TruthValue;
+import org.eclipse.viatra.solver.language.solverLanguage.Unknown;
+import org.eclipse.viatra.solver.language.solverLanguage.UnnamedObject;
+import org.eclipse.viatra.solver.language.solverLanguage.Variable;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class SolverLanguageFactoryImpl extends EFactoryImpl implements SolverLanguageFactory
+{
+  /**
+   * Creates the default factory implementation.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public static SolverLanguageFactory init()
+  {
+    try
+    {
+      SolverLanguageFactory theSolverLanguageFactory = (SolverLanguageFactory)EPackage.Registry.INSTANCE.getEFactory(SolverLanguagePackage.eNS_URI);
+      if (theSolverLanguageFactory != null)
+      {
+        return theSolverLanguageFactory;
+      }
+    }
+    catch (Exception exception)
+    {
+      EcorePlugin.INSTANCE.log(exception);
+    }
+    return new SolverLanguageFactoryImpl();
+  }
+  /**
+   * Creates an instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public SolverLanguageFactoryImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EObject create(EClass eClass)
+  {
+    switch (eClass.getClassifierID())
+    {
+      case SolverLanguagePackage.PROBLEM: return createProblem();
+      case SolverLanguagePackage.STATEMENT: return createStatement();
+      case SolverLanguagePackage.BOOLEAN_VALUE: return createBooleanValue();
+      case SolverLanguagePackage.TRUTH_VALUE: return createTruthValue();
+      case SolverLanguagePackage.INTERPRETATION: return createInterpretation();
+      case SolverLanguagePackage.BASIC_INTERPRETATION: return createBasicInterpretation();
+      case SolverLanguagePackage.SYMBOL: return createSymbol();
+      case SolverLanguagePackage.MODEL_SYMBOL: return createModelSymbol();
+      case SolverLanguagePackage.PARTIALITY_SYMBOL: return createPartialitySymbol();
+      case SolverLanguagePackage.EXIST_SYMBOL: return createExistSymbol();
+      case SolverLanguagePackage.EQUALS_SYMBOL: return createEqualsSymbol();
+      case SolverLanguagePackage.DATA_SYMBOL: return createDataSymbol();
+      case SolverLanguagePackage.BOOLEAN_SYMBOL: return createBooleanSymbol();
+      case SolverLanguagePackage.INTEGER_SYMBOL: return createIntegerSymbol();
+      case SolverLanguagePackage.REAL_SYMBOL: return createRealSymbol();
+      case SolverLanguagePackage.STRING_SYMBOL: return createStringSymbol();
+      case SolverLanguagePackage.COMPLEX_OBJECT: return createComplexObject();
+      case SolverLanguagePackage.OBJECT: return createObject();
+      case SolverLanguagePackage.NAMED_OBJECT: return createNamedObject();
+      case SolverLanguagePackage.UNNAMED_OBJECT: return createUnnamedObject();
+      case SolverLanguagePackage.DATA_OBJECT: return createDataObject();
+      case SolverLanguagePackage.BOOLEAN_OBJECT: return createBooleanObject();
+      case SolverLanguagePackage.INT_OBJECT: return createIntObject();
+      case SolverLanguagePackage.REAL_OBJECT: return createRealObject();
+      case SolverLanguagePackage.STRING_OBJECT: return createStringObject();
+      case SolverLanguagePackage.PREDICATE: return createPredicate();
+      case SolverLanguagePackage.PREDICATE_SYMBOL: return createPredicateSymbol();
+      case SolverLanguagePackage.ERROR_PREDICATE: return createErrorPredicate();
+      case SolverLanguagePackage.PARAMETER: return createParameter();
+      case SolverLanguagePackage.PATTERN_BODY: return createPatternBody();
+      case SolverLanguagePackage.POLARITY: return createPolarity();
+      case SolverLanguagePackage.CONSTRAINT: return createConstraint();
+      case SolverLanguagePackage.CLOSURE_TYPE: return createClosureType();
+      case SolverLanguagePackage.LITERAL: return createLiteral();
+      case SolverLanguagePackage.VARIABLE: return createVariable();
+      case SolverLanguagePackage.ALL_INSTANCES: return createAllInstances();
+      case SolverLanguagePackage.ALL_OBJECTS: return createAllObjects();
+      case SolverLanguagePackage.DEFAULT_INTERPRETATION: return createDefaultInterpretation();
+      case SolverLanguagePackage.CD_INTERPRETATION: return createCDInterpretation();
+      case SolverLanguagePackage.CLASS_INTERPRETATION: return createClassInterpretation();
+      case SolverLanguagePackage.ENUM_INTERPRETATION: return createEnumInterpretation();
+      case SolverLanguagePackage.FIELD_RELATION_INTERPRETATION: return createFieldRelationInterpretation();
+      case SolverLanguagePackage.GLOBAL_RELATION_INTERPRETATION: return createGlobalRelationInterpretation();
+      case SolverLanguagePackage.MULTIPLICITY_DEFINITION: return createMultiplicityDefinition();
+      case SolverLanguagePackage.BOOLEAN_TRUE: return createBooleanTrue();
+      case SolverLanguagePackage.BOOLEAN_FALSE: return createBooleanFalse();
+      case SolverLanguagePackage.TRUE: return createTrue();
+      case SolverLanguagePackage.FALSE: return createFalse();
+      case SolverLanguagePackage.UNKNOWN: return createUnknown();
+      case SolverLanguagePackage.ERROR: return createError();
+      case SolverLanguagePackage.POSITIVE: return createPositive();
+      case SolverLanguagePackage.NEGATIVE: return createNegative();
+      case SolverLanguagePackage.REFLEXIVE_CLOSURE: return createReflexiveClosure();
+      case SolverLanguagePackage.IRREFLEXIVE_CLOSURE: return createIrreflexiveClosure();
+      default:
+        throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+    }
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Problem createProblem()
+  {
+    ProblemImpl problem = new ProblemImpl();
+    return problem;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Statement createStatement()
+  {
+    StatementImpl statement = new StatementImpl();
+    return statement;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BooleanValue createBooleanValue()
+  {
+    BooleanValueImpl booleanValue = new BooleanValueImpl();
+    return booleanValue;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public TruthValue createTruthValue()
+  {
+    TruthValueImpl truthValue = new TruthValueImpl();
+    return truthValue;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Interpretation createInterpretation()
+  {
+    InterpretationImpl interpretation = new InterpretationImpl();
+    return interpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BasicInterpretation createBasicInterpretation()
+  {
+    BasicInterpretationImpl basicInterpretation = new BasicInterpretationImpl();
+    return basicInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Symbol createSymbol()
+  {
+    SymbolImpl symbol = new SymbolImpl();
+    return symbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ModelSymbol createModelSymbol()
+  {
+    ModelSymbolImpl modelSymbol = new ModelSymbolImpl();
+    return modelSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public PartialitySymbol createPartialitySymbol()
+  {
+    PartialitySymbolImpl partialitySymbol = new PartialitySymbolImpl();
+    return partialitySymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ExistSymbol createExistSymbol()
+  {
+    ExistSymbolImpl existSymbol = new ExistSymbolImpl();
+    return existSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EqualsSymbol createEqualsSymbol()
+  {
+    EqualsSymbolImpl equalsSymbol = new EqualsSymbolImpl();
+    return equalsSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public DataSymbol createDataSymbol()
+  {
+    DataSymbolImpl dataSymbol = new DataSymbolImpl();
+    return dataSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BooleanSymbol createBooleanSymbol()
+  {
+    BooleanSymbolImpl booleanSymbol = new BooleanSymbolImpl();
+    return booleanSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public IntegerSymbol createIntegerSymbol()
+  {
+    IntegerSymbolImpl integerSymbol = new IntegerSymbolImpl();
+    return integerSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public RealSymbol createRealSymbol()
+  {
+    RealSymbolImpl realSymbol = new RealSymbolImpl();
+    return realSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public StringSymbol createStringSymbol()
+  {
+    StringSymbolImpl stringSymbol = new StringSymbolImpl();
+    return stringSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ComplexObject createComplexObject()
+  {
+    ComplexObjectImpl complexObject = new ComplexObjectImpl();
+    return complexObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public org.eclipse.viatra.solver.language.solverLanguage.Object createObject()
+  {
+    ObjectImpl object = new ObjectImpl();
+    return object;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NamedObject createNamedObject()
+  {
+    NamedObjectImpl namedObject = new NamedObjectImpl();
+    return namedObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public UnnamedObject createUnnamedObject()
+  {
+    UnnamedObjectImpl unnamedObject = new UnnamedObjectImpl();
+    return unnamedObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public DataObject createDataObject()
+  {
+    DataObjectImpl dataObject = new DataObjectImpl();
+    return dataObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BooleanObject createBooleanObject()
+  {
+    BooleanObjectImpl booleanObject = new BooleanObjectImpl();
+    return booleanObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public IntObject createIntObject()
+  {
+    IntObjectImpl intObject = new IntObjectImpl();
+    return intObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public RealObject createRealObject()
+  {
+    RealObjectImpl realObject = new RealObjectImpl();
+    return realObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public StringObject createStringObject()
+  {
+    StringObjectImpl stringObject = new StringObjectImpl();
+    return stringObject;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Predicate createPredicate()
+  {
+    PredicateImpl predicate = new PredicateImpl();
+    return predicate;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public PredicateSymbol createPredicateSymbol()
+  {
+    PredicateSymbolImpl predicateSymbol = new PredicateSymbolImpl();
+    return predicateSymbol;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ErrorPredicate createErrorPredicate()
+  {
+    ErrorPredicateImpl errorPredicate = new ErrorPredicateImpl();
+    return errorPredicate;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Parameter createParameter()
+  {
+    ParameterImpl parameter = new ParameterImpl();
+    return parameter;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public PatternBody createPatternBody()
+  {
+    PatternBodyImpl patternBody = new PatternBodyImpl();
+    return patternBody;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Polarity createPolarity()
+  {
+    PolarityImpl polarity = new PolarityImpl();
+    return polarity;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Constraint createConstraint()
+  {
+    ConstraintImpl constraint = new ConstraintImpl();
+    return constraint;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ClosureType createClosureType()
+  {
+    ClosureTypeImpl closureType = new ClosureTypeImpl();
+    return closureType;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Literal createLiteral()
+  {
+    LiteralImpl literal = new LiteralImpl();
+    return literal;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Variable createVariable()
+  {
+    VariableImpl variable = new VariableImpl();
+    return variable;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public AllInstances createAllInstances()
+  {
+    AllInstancesImpl allInstances = new AllInstancesImpl();
+    return allInstances;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public AllObjects createAllObjects()
+  {
+    AllObjectsImpl allObjects = new AllObjectsImpl();
+    return allObjects;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public DefaultInterpretation createDefaultInterpretation()
+  {
+    DefaultInterpretationImpl defaultInterpretation = new DefaultInterpretationImpl();
+    return defaultInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public CDInterpretation createCDInterpretation()
+  {
+    CDInterpretationImpl cdInterpretation = new CDInterpretationImpl();
+    return cdInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ClassInterpretation createClassInterpretation()
+  {
+    ClassInterpretationImpl classInterpretation = new ClassInterpretationImpl();
+    return classInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EnumInterpretation createEnumInterpretation()
+  {
+    EnumInterpretationImpl enumInterpretation = new EnumInterpretationImpl();
+    return enumInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public FieldRelationInterpretation createFieldRelationInterpretation()
+  {
+    FieldRelationInterpretationImpl fieldRelationInterpretation = new FieldRelationInterpretationImpl();
+    return fieldRelationInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public GlobalRelationInterpretation createGlobalRelationInterpretation()
+  {
+    GlobalRelationInterpretationImpl globalRelationInterpretation = new GlobalRelationInterpretationImpl();
+    return globalRelationInterpretation;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public MultiplicityDefinition createMultiplicityDefinition()
+  {
+    MultiplicityDefinitionImpl multiplicityDefinition = new MultiplicityDefinitionImpl();
+    return multiplicityDefinition;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BooleanTrue createBooleanTrue()
+  {
+    BooleanTrueImpl booleanTrue = new BooleanTrueImpl();
+    return booleanTrue;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public BooleanFalse createBooleanFalse()
+  {
+    BooleanFalseImpl booleanFalse = new BooleanFalseImpl();
+    return booleanFalse;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public True createTrue()
+  {
+    TrueImpl true_ = new TrueImpl();
+    return true_;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public False createFalse()
+  {
+    FalseImpl false_ = new FalseImpl();
+    return false_;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Unknown createUnknown()
+  {
+    UnknownImpl unknown = new UnknownImpl();
+    return unknown;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public org.eclipse.viatra.solver.language.solverLanguage.Error createError()
+  {
+    ErrorImpl error = new ErrorImpl();
+    return error;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Positive createPositive()
+  {
+    PositiveImpl positive = new PositiveImpl();
+    return positive;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Negative createNegative()
+  {
+    NegativeImpl negative = new NegativeImpl();
+    return negative;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public ReflexiveClosure createReflexiveClosure()
+  {
+    ReflexiveClosureImpl reflexiveClosure = new ReflexiveClosureImpl();
+    return reflexiveClosure;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public IrreflexiveClosure createIrreflexiveClosure()
+  {
+    IrreflexiveClosureImpl irreflexiveClosure = new IrreflexiveClosureImpl();
+    return irreflexiveClosure;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public SolverLanguagePackage getSolverLanguagePackage()
+  {
+    return (SolverLanguagePackage)getEPackage();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @deprecated
+   * @generated
+   */
+  @Deprecated
+  public static SolverLanguagePackage getPackage()
+  {
+    return SolverLanguagePackage.eINSTANCE;
+  }
+} //SolverLanguageFactoryImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SolverLanguagePackageImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SolverLanguagePackageImpl.java
new file mode 100644
index 00000000..9e5d391b
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SolverLanguagePackageImpl.java
@@ -0,0 +1,2007 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.AllInstances;
+import org.eclipse.viatra.solver.language.solverLanguage.AllObjects;
+import org.eclipse.viatra.solver.language.solverLanguage.BasicInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanFalse;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanObject;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanTrue;
+import org.eclipse.viatra.solver.language.solverLanguage.BooleanValue;
+import org.eclipse.viatra.solver.language.solverLanguage.CDInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ClassInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.ClosureType;
+import org.eclipse.viatra.solver.language.solverLanguage.ComplexObject;
+import org.eclipse.viatra.solver.language.solverLanguage.Constraint;
+import org.eclipse.viatra.solver.language.solverLanguage.DataObject;
+import org.eclipse.viatra.solver.language.solverLanguage.DataSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.DefaultInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.EnumInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.EqualsSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.ErrorPredicate;
+import org.eclipse.viatra.solver.language.solverLanguage.ExistSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.False;
+import org.eclipse.viatra.solver.language.solverLanguage.FieldRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.GlobalRelationInterpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.IntObject;
+import org.eclipse.viatra.solver.language.solverLanguage.IntegerSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Interpretation;
+import org.eclipse.viatra.solver.language.solverLanguage.IrreflexiveClosure;
+import org.eclipse.viatra.solver.language.solverLanguage.Literal;
+import org.eclipse.viatra.solver.language.solverLanguage.ModelSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.MultiplicityDefinition;
+import org.eclipse.viatra.solver.language.solverLanguage.NamedObject;
+import org.eclipse.viatra.solver.language.solverLanguage.Negative;
+import org.eclipse.viatra.solver.language.solverLanguage.Parameter;
+import org.eclipse.viatra.solver.language.solverLanguage.PartialitySymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.PatternBody;
+import org.eclipse.viatra.solver.language.solverLanguage.Polarity;
+import org.eclipse.viatra.solver.language.solverLanguage.Positive;
+import org.eclipse.viatra.solver.language.solverLanguage.Predicate;
+import org.eclipse.viatra.solver.language.solverLanguage.PredicateSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Problem;
+import org.eclipse.viatra.solver.language.solverLanguage.RealObject;
+import org.eclipse.viatra.solver.language.solverLanguage.RealSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.ReflexiveClosure;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguageFactory;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Statement;
+import org.eclipse.viatra.solver.language.solverLanguage.StringObject;
+import org.eclipse.viatra.solver.language.solverLanguage.StringSymbol;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+import org.eclipse.viatra.solver.language.solverLanguage.True;
+import org.eclipse.viatra.solver.language.solverLanguage.TruthValue;
+import org.eclipse.viatra.solver.language.solverLanguage.Unknown;
+import org.eclipse.viatra.solver.language.solverLanguage.UnnamedObject;
+import org.eclipse.viatra.solver.language.solverLanguage.Variable;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class SolverLanguagePackageImpl extends EPackageImpl implements SolverLanguagePackage
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass problemEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass statementEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass booleanValueEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass truthValueEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass interpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass basicInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass symbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass modelSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass partialitySymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass existSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass equalsSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass dataSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass booleanSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass integerSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass realSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass stringSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass complexObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass objectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass namedObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass unnamedObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass dataObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass booleanObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass intObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass realObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass stringObjectEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass predicateEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass predicateSymbolEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass errorPredicateEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass parameterEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass patternBodyEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass polarityEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass constraintEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass closureTypeEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass literalEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass variableEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass allInstancesEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass allObjectsEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass defaultInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass cdInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass classInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass enumInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass fieldRelationInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass globalRelationInterpretationEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass multiplicityDefinitionEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass booleanTrueEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass booleanFalseEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass trueEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass falseEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass unknownEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass errorEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass positiveEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass negativeEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass reflexiveClosureEClass = null;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass irreflexiveClosureEClass = null;
+  /**
+   * Creates an instance of the model <b>Package</b>, registered with
+   * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+   * package URI value.
+   * <p>Note: the correct way to create the package is via the static
+   * factory method {@link #init init()}, which also performs
+   * initialization of the package, or returns the registered package,
+   * if one already exists.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.emf.ecore.EPackage.Registry
+   * @see org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage#eNS_URI
+   * @see #init()
+   * @generated
+   */
+  private SolverLanguagePackageImpl()
+  {
+    super(eNS_URI, SolverLanguageFactory.eINSTANCE);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private static boolean isInited = false;
+  /**
+   * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+   *
+   * <p>This method is used to initialize {@link SolverLanguagePackage#eINSTANCE} when that field is accessed.
+   * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #eNS_URI
+   * @see #createPackageContents()
+   * @see #initializePackageContents()
+   * @generated
+   */
+  public static SolverLanguagePackage init()
+  {
+    if (isInited) return (SolverLanguagePackage)EPackage.Registry.INSTANCE.getEPackage(SolverLanguagePackage.eNS_URI);
+    // Obtain or create and register package
+    Object registeredSolverLanguagePackage = EPackage.Registry.INSTANCE.get(eNS_URI);
+    SolverLanguagePackageImpl theSolverLanguagePackage = registeredSolverLanguagePackage instanceof SolverLanguagePackageImpl ? (SolverLanguagePackageImpl)registeredSolverLanguagePackage : new SolverLanguagePackageImpl();
+    isInited = true;
+    // Create package meta-data objects
+    theSolverLanguagePackage.createPackageContents();
+    // Initialize created meta-data
+    theSolverLanguagePackage.initializePackageContents();
+    // Mark meta-data to indicate it can't be changed
+    theSolverLanguagePackage.freeze();
+    // Update the registry and return the package
+    EPackage.Registry.INSTANCE.put(SolverLanguagePackage.eNS_URI, theSolverLanguagePackage);
+    return theSolverLanguagePackage;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getProblem()
+  {
+    return problemEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getProblem_Statements()
+  {
+    return (EReference)problemEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getStatement()
+  {
+    return statementEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getBooleanValue()
+  {
+    return booleanValueEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getTruthValue()
+  {
+    return truthValueEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getInterpretation()
+  {
+    return interpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getBasicInterpretation()
+  {
+    return basicInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getBasicInterpretation_Symbol()
+  {
+    return (EReference)basicInterpretationEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getBasicInterpretation_Objects()
+  {
+    return (EReference)basicInterpretationEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getBasicInterpretation_Value()
+  {
+    return (EReference)basicInterpretationEClass.getEStructuralFeatures().get(2);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getSymbol()
+  {
+    return symbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getModelSymbol()
+  {
+    return modelSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getModelSymbol_Name()
+  {
+    return (EAttribute)modelSymbolEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getPartialitySymbol()
+  {
+    return partialitySymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getExistSymbol()
+  {
+    return existSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getEqualsSymbol()
+  {
+    return equalsSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getDataSymbol()
+  {
+    return dataSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getBooleanSymbol()
+  {
+    return booleanSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getIntegerSymbol()
+  {
+    return integerSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getRealSymbol()
+  {
+    return realSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getStringSymbol()
+  {
+    return stringSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getComplexObject()
+  {
+    return complexObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getObject()
+  {
+    return objectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getNamedObject()
+  {
+    return namedObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getNamedObject_Name()
+  {
+    return (EAttribute)namedObjectEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getUnnamedObject()
+  {
+    return unnamedObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getUnnamedObject_Name()
+  {
+    return (EAttribute)unnamedObjectEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getDataObject()
+  {
+    return dataObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getBooleanObject()
+  {
+    return booleanObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getBooleanObject_Value()
+  {
+    return (EReference)booleanObjectEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getIntObject()
+  {
+    return intObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getIntObject_Value()
+  {
+    return (EAttribute)intObjectEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getRealObject()
+  {
+    return realObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getRealObject_Value()
+  {
+    return (EAttribute)realObjectEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getStringObject()
+  {
+    return stringObjectEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getStringObject_Value()
+  {
+    return (EAttribute)stringObjectEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getPredicate()
+  {
+    return predicateEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getPredicate_Parameters()
+  {
+    return (EReference)predicateEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getPredicate_Bodies()
+  {
+    return (EReference)predicateEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getPredicateSymbol()
+  {
+    return predicateSymbolEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getPredicateSymbol_Symbol()
+  {
+    return (EReference)predicateSymbolEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getErrorPredicate()
+  {
+    return errorPredicateEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getErrorPredicate_Name()
+  {
+    return (EAttribute)errorPredicateEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getParameter()
+  {
+    return parameterEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getParameter_Variable()
+  {
+    return (EReference)parameterEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getParameter_Type()
+  {
+    return (EReference)parameterEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getPatternBody()
+  {
+    return patternBodyEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getPatternBody_Constraints()
+  {
+    return (EReference)patternBodyEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getPolarity()
+  {
+    return polarityEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getConstraint()
+  {
+    return constraintEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getConstraint_Polarity()
+  {
+    return (EReference)constraintEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getConstraint_Symbol()
+  {
+    return (EReference)constraintEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getConstraint_Params()
+  {
+    return (EReference)constraintEClass.getEStructuralFeatures().get(2);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getConstraint_ClosureType()
+  {
+    return (EReference)constraintEClass.getEStructuralFeatures().get(3);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getClosureType()
+  {
+    return closureTypeEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getLiteral()
+  {
+    return literalEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getVariable()
+  {
+    return variableEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getVariable_Name()
+  {
+    return (EAttribute)variableEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getAllInstances()
+  {
+    return allInstancesEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getAllInstances_Symbol()
+  {
+    return (EReference)allInstancesEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getAllObjects()
+  {
+    return allObjectsEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getDefaultInterpretation()
+  {
+    return defaultInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getDefaultInterpretation_Interpretation()
+  {
+    return (EReference)defaultInterpretationEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getCDInterpretation()
+  {
+    return cdInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getClassInterpretation()
+  {
+    return classInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getClassInterpretation_Abstract()
+  {
+    return (EAttribute)classInterpretationEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getClassInterpretation_Symbol()
+  {
+    return (EReference)classInterpretationEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getClassInterpretation_Supertypes()
+  {
+    return (EReference)classInterpretationEClass.getEStructuralFeatures().get(2);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getClassInterpretation_Fielt()
+  {
+    return (EReference)classInterpretationEClass.getEStructuralFeatures().get(3);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getEnumInterpretation()
+  {
+    return enumInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getEnumInterpretation_Symbol()
+  {
+    return (EReference)enumInterpretationEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getEnumInterpretation_Objects()
+  {
+    return (EReference)enumInterpretationEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getFieldRelationInterpretation()
+  {
+    return fieldRelationInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getFieldRelationInterpretation_Containment()
+  {
+    return (EAttribute)fieldRelationInterpretationEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getFieldRelationInterpretation_Symbol()
+  {
+    return (EReference)fieldRelationInterpretationEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getFieldRelationInterpretation_Multiplicity()
+  {
+    return (EReference)fieldRelationInterpretationEClass.getEStructuralFeatures().get(2);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getFieldRelationInterpretation_Target()
+  {
+    return (EReference)fieldRelationInterpretationEClass.getEStructuralFeatures().get(3);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getGlobalRelationInterpretation()
+  {
+    return globalRelationInterpretationEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getGlobalRelationInterpretation_Containment()
+  {
+    return (EAttribute)globalRelationInterpretationEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getGlobalRelationInterpretation_Symbol()
+  {
+    return (EReference)globalRelationInterpretationEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getGlobalRelationInterpretation_SourceMultiplicity()
+  {
+    return (EReference)globalRelationInterpretationEClass.getEStructuralFeatures().get(2);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getGlobalRelationInterpretation_Source()
+  {
+    return (EReference)globalRelationInterpretationEClass.getEStructuralFeatures().get(3);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getGlobalRelationInterpretation_TargetMultiplicity()
+  {
+    return (EReference)globalRelationInterpretationEClass.getEStructuralFeatures().get(4);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EReference getGlobalRelationInterpretation_Target()
+  {
+    return (EReference)globalRelationInterpretationEClass.getEStructuralFeatures().get(5);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getMultiplicityDefinition()
+  {
+    return multiplicityDefinitionEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getMultiplicityDefinition_Lower()
+  {
+    return (EAttribute)multiplicityDefinitionEClass.getEStructuralFeatures().get(0);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getMultiplicityDefinition_Upper()
+  {
+    return (EAttribute)multiplicityDefinitionEClass.getEStructuralFeatures().get(1);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EAttribute getMultiplicityDefinition_UnlimitedUpper()
+  {
+    return (EAttribute)multiplicityDefinitionEClass.getEStructuralFeatures().get(2);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getBooleanTrue()
+  {
+    return booleanTrueEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getBooleanFalse()
+  {
+    return booleanFalseEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getTrue()
+  {
+    return trueEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getFalse()
+  {
+    return falseEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getUnknown()
+  {
+    return unknownEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getError()
+  {
+    return errorEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getPositive()
+  {
+    return positiveEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getNegative()
+  {
+    return negativeEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getReflexiveClosure()
+  {
+    return reflexiveClosureEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EClass getIrreflexiveClosure()
+  {
+    return irreflexiveClosureEClass;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public SolverLanguageFactory getSolverLanguageFactory()
+  {
+    return (SolverLanguageFactory)getEFactoryInstance();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isCreated = false;
+  /**
+   * Creates the meta-model objects for the package.  This method is
+   * guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void createPackageContents()
+  {
+    if (isCreated) return;
+    isCreated = true;
+    // Create classes and their features
+    problemEClass = createEClass(PROBLEM);
+    createEReference(problemEClass, PROBLEM__STATEMENTS);
+    statementEClass = createEClass(STATEMENT);
+    booleanValueEClass = createEClass(BOOLEAN_VALUE);
+    truthValueEClass = createEClass(TRUTH_VALUE);
+    interpretationEClass = createEClass(INTERPRETATION);
+    basicInterpretationEClass = createEClass(BASIC_INTERPRETATION);
+    createEReference(basicInterpretationEClass, BASIC_INTERPRETATION__SYMBOL);
+    createEReference(basicInterpretationEClass, BASIC_INTERPRETATION__OBJECTS);
+    createEReference(basicInterpretationEClass, BASIC_INTERPRETATION__VALUE);
+    symbolEClass = createEClass(SYMBOL);
+    modelSymbolEClass = createEClass(MODEL_SYMBOL);
+    createEAttribute(modelSymbolEClass, MODEL_SYMBOL__NAME);
+    partialitySymbolEClass = createEClass(PARTIALITY_SYMBOL);
+    existSymbolEClass = createEClass(EXIST_SYMBOL);
+    equalsSymbolEClass = createEClass(EQUALS_SYMBOL);
+    dataSymbolEClass = createEClass(DATA_SYMBOL);
+    booleanSymbolEClass = createEClass(BOOLEAN_SYMBOL);
+    integerSymbolEClass = createEClass(INTEGER_SYMBOL);
+    realSymbolEClass = createEClass(REAL_SYMBOL);
+    stringSymbolEClass = createEClass(STRING_SYMBOL);
+    complexObjectEClass = createEClass(COMPLEX_OBJECT);
+    objectEClass = createEClass(OBJECT);
+    namedObjectEClass = createEClass(NAMED_OBJECT);
+    createEAttribute(namedObjectEClass, NAMED_OBJECT__NAME);
+    unnamedObjectEClass = createEClass(UNNAMED_OBJECT);
+    createEAttribute(unnamedObjectEClass, UNNAMED_OBJECT__NAME);
+    dataObjectEClass = createEClass(DATA_OBJECT);
+    booleanObjectEClass = createEClass(BOOLEAN_OBJECT);
+    createEReference(booleanObjectEClass, BOOLEAN_OBJECT__VALUE);
+    intObjectEClass = createEClass(INT_OBJECT);
+    createEAttribute(intObjectEClass, INT_OBJECT__VALUE);
+    realObjectEClass = createEClass(REAL_OBJECT);
+    createEAttribute(realObjectEClass, REAL_OBJECT__VALUE);
+    stringObjectEClass = createEClass(STRING_OBJECT);
+    createEAttribute(stringObjectEClass, STRING_OBJECT__VALUE);
+    predicateEClass = createEClass(PREDICATE);
+    createEReference(predicateEClass, PREDICATE__PARAMETERS);
+    createEReference(predicateEClass, PREDICATE__BODIES);
+    predicateSymbolEClass = createEClass(PREDICATE_SYMBOL);
+    createEReference(predicateSymbolEClass, PREDICATE_SYMBOL__SYMBOL);
+    errorPredicateEClass = createEClass(ERROR_PREDICATE);
+    createEAttribute(errorPredicateEClass, ERROR_PREDICATE__NAME);
+    parameterEClass = createEClass(PARAMETER);
+    createEReference(parameterEClass, PARAMETER__VARIABLE);
+    createEReference(parameterEClass, PARAMETER__TYPE);
+    patternBodyEClass = createEClass(PATTERN_BODY);
+    createEReference(patternBodyEClass, PATTERN_BODY__CONSTRAINTS);
+    polarityEClass = createEClass(POLARITY);
+    constraintEClass = createEClass(CONSTRAINT);
+    createEReference(constraintEClass, CONSTRAINT__POLARITY);
+    createEReference(constraintEClass, CONSTRAINT__SYMBOL);
+    createEReference(constraintEClass, CONSTRAINT__PARAMS);
+    createEReference(constraintEClass, CONSTRAINT__CLOSURE_TYPE);
+    closureTypeEClass = createEClass(CLOSURE_TYPE);
+    literalEClass = createEClass(LITERAL);
+    variableEClass = createEClass(VARIABLE);
+    createEAttribute(variableEClass, VARIABLE__NAME);
+    allInstancesEClass = createEClass(ALL_INSTANCES);
+    createEReference(allInstancesEClass, ALL_INSTANCES__SYMBOL);
+    allObjectsEClass = createEClass(ALL_OBJECTS);
+    defaultInterpretationEClass = createEClass(DEFAULT_INTERPRETATION);
+    createEReference(defaultInterpretationEClass, DEFAULT_INTERPRETATION__INTERPRETATION);
+    cdInterpretationEClass = createEClass(CD_INTERPRETATION);
+    classInterpretationEClass = createEClass(CLASS_INTERPRETATION);
+    createEAttribute(classInterpretationEClass, CLASS_INTERPRETATION__ABSTRACT);
+    createEReference(classInterpretationEClass, CLASS_INTERPRETATION__SYMBOL);
+    createEReference(classInterpretationEClass, CLASS_INTERPRETATION__SUPERTYPES);
+    createEReference(classInterpretationEClass, CLASS_INTERPRETATION__FIELT);
+    enumInterpretationEClass = createEClass(ENUM_INTERPRETATION);
+    createEReference(enumInterpretationEClass, ENUM_INTERPRETATION__SYMBOL);
+    createEReference(enumInterpretationEClass, ENUM_INTERPRETATION__OBJECTS);
+    fieldRelationInterpretationEClass = createEClass(FIELD_RELATION_INTERPRETATION);
+    createEAttribute(fieldRelationInterpretationEClass, FIELD_RELATION_INTERPRETATION__CONTAINMENT);
+    createEReference(fieldRelationInterpretationEClass, FIELD_RELATION_INTERPRETATION__SYMBOL);
+    createEReference(fieldRelationInterpretationEClass, FIELD_RELATION_INTERPRETATION__MULTIPLICITY);
+    createEReference(fieldRelationInterpretationEClass, FIELD_RELATION_INTERPRETATION__TARGET);
+    globalRelationInterpretationEClass = createEClass(GLOBAL_RELATION_INTERPRETATION);
+    createEAttribute(globalRelationInterpretationEClass, GLOBAL_RELATION_INTERPRETATION__CONTAINMENT);
+    createEReference(globalRelationInterpretationEClass, GLOBAL_RELATION_INTERPRETATION__SYMBOL);
+    createEReference(globalRelationInterpretationEClass, GLOBAL_RELATION_INTERPRETATION__SOURCE_MULTIPLICITY);
+    createEReference(globalRelationInterpretationEClass, GLOBAL_RELATION_INTERPRETATION__SOURCE);
+    createEReference(globalRelationInterpretationEClass, GLOBAL_RELATION_INTERPRETATION__TARGET_MULTIPLICITY);
+    createEReference(globalRelationInterpretationEClass, GLOBAL_RELATION_INTERPRETATION__TARGET);
+    multiplicityDefinitionEClass = createEClass(MULTIPLICITY_DEFINITION);
+    createEAttribute(multiplicityDefinitionEClass, MULTIPLICITY_DEFINITION__LOWER);
+    createEAttribute(multiplicityDefinitionEClass, MULTIPLICITY_DEFINITION__UPPER);
+    createEAttribute(multiplicityDefinitionEClass, MULTIPLICITY_DEFINITION__UNLIMITED_UPPER);
+    booleanTrueEClass = createEClass(BOOLEAN_TRUE);
+    booleanFalseEClass = createEClass(BOOLEAN_FALSE);
+    trueEClass = createEClass(TRUE);
+    falseEClass = createEClass(FALSE);
+    unknownEClass = createEClass(UNKNOWN);
+    errorEClass = createEClass(ERROR);
+    positiveEClass = createEClass(POSITIVE);
+    negativeEClass = createEClass(NEGATIVE);
+    reflexiveClosureEClass = createEClass(REFLEXIVE_CLOSURE);
+    irreflexiveClosureEClass = createEClass(IRREFLEXIVE_CLOSURE);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isInitialized = false;
+  /**
+   * Complete the initialization of the package and its meta-model.  This
+   * method is guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void initializePackageContents()
+  {
+    if (isInitialized) return;
+    isInitialized = true;
+    // Initialize package
+    setName(eNAME);
+    setNsPrefix(eNS_PREFIX);
+    setNsURI(eNS_URI);
+    // Create type parameters
+    // Set bounds for type parameters
+    // Add supertypes to classes
+    interpretationEClass.getESuperTypes().add(this.getStatement());
+    basicInterpretationEClass.getESuperTypes().add(this.getInterpretation());
+    modelSymbolEClass.getESuperTypes().add(this.getSymbol());
+    partialitySymbolEClass.getESuperTypes().add(this.getSymbol());
+    existSymbolEClass.getESuperTypes().add(this.getPartialitySymbol());
+    equalsSymbolEClass.getESuperTypes().add(this.getPartialitySymbol());
+    dataSymbolEClass.getESuperTypes().add(this.getSymbol());
+    booleanSymbolEClass.getESuperTypes().add(this.getDataSymbol());
+    integerSymbolEClass.getESuperTypes().add(this.getDataSymbol());
+    realSymbolEClass.getESuperTypes().add(this.getDataSymbol());
+    stringSymbolEClass.getESuperTypes().add(this.getDataSymbol());
+    objectEClass.getESuperTypes().add(this.getComplexObject());
+    namedObjectEClass.getESuperTypes().add(this.getObject());
+    unnamedObjectEClass.getESuperTypes().add(this.getObject());
+    dataObjectEClass.getESuperTypes().add(this.getObject());
+    dataObjectEClass.getESuperTypes().add(this.getLiteral());
+    booleanObjectEClass.getESuperTypes().add(this.getDataObject());
+    intObjectEClass.getESuperTypes().add(this.getDataObject());
+    realObjectEClass.getESuperTypes().add(this.getDataObject());
+    stringObjectEClass.getESuperTypes().add(this.getDataObject());
+    predicateEClass.getESuperTypes().add(this.getStatement());
+    predicateSymbolEClass.getESuperTypes().add(this.getPredicate());
+    errorPredicateEClass.getESuperTypes().add(this.getPredicate());
+    variableEClass.getESuperTypes().add(this.getLiteral());
+    allInstancesEClass.getESuperTypes().add(this.getComplexObject());
+    allObjectsEClass.getESuperTypes().add(this.getComplexObject());
+    defaultInterpretationEClass.getESuperTypes().add(this.getInterpretation());
+    cdInterpretationEClass.getESuperTypes().add(this.getInterpretation());
+    classInterpretationEClass.getESuperTypes().add(this.getCDInterpretation());
+    enumInterpretationEClass.getESuperTypes().add(this.getCDInterpretation());
+    globalRelationInterpretationEClass.getESuperTypes().add(this.getCDInterpretation());
+    booleanTrueEClass.getESuperTypes().add(this.getBooleanValue());
+    booleanFalseEClass.getESuperTypes().add(this.getBooleanValue());
+    trueEClass.getESuperTypes().add(this.getTruthValue());
+    falseEClass.getESuperTypes().add(this.getTruthValue());
+    unknownEClass.getESuperTypes().add(this.getTruthValue());
+    errorEClass.getESuperTypes().add(this.getTruthValue());
+    positiveEClass.getESuperTypes().add(this.getPolarity());
+    negativeEClass.getESuperTypes().add(this.getPolarity());
+    reflexiveClosureEClass.getESuperTypes().add(this.getClosureType());
+    irreflexiveClosureEClass.getESuperTypes().add(this.getClosureType());
+    // Initialize classes and features; add operations and parameters
+    initEClass(problemEClass, Problem.class, "Problem", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getProblem_Statements(), this.getStatement(), null, "statements", null, 0, -1, Problem.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(statementEClass, Statement.class, "Statement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(booleanValueEClass, BooleanValue.class, "BooleanValue", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(truthValueEClass, TruthValue.class, "TruthValue", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(interpretationEClass, Interpretation.class, "Interpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(basicInterpretationEClass, BasicInterpretation.class, "BasicInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getBasicInterpretation_Symbol(), this.getSymbol(), null, "symbol", null, 0, 1, BasicInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getBasicInterpretation_Objects(), this.getComplexObject(), null, "objects", null, 0, -1, BasicInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getBasicInterpretation_Value(), this.getTruthValue(), null, "value", null, 0, 1, BasicInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(symbolEClass, Symbol.class, "Symbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(modelSymbolEClass, ModelSymbol.class, "ModelSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getModelSymbol_Name(), ecorePackage.getEString(), "name", null, 0, 1, ModelSymbol.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(partialitySymbolEClass, PartialitySymbol.class, "PartialitySymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(existSymbolEClass, ExistSymbol.class, "ExistSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(equalsSymbolEClass, EqualsSymbol.class, "EqualsSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(dataSymbolEClass, DataSymbol.class, "DataSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(booleanSymbolEClass, BooleanSymbol.class, "BooleanSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(integerSymbolEClass, IntegerSymbol.class, "IntegerSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(realSymbolEClass, RealSymbol.class, "RealSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(stringSymbolEClass, StringSymbol.class, "StringSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(complexObjectEClass, ComplexObject.class, "ComplexObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(objectEClass, org.eclipse.viatra.solver.language.solverLanguage.Object.class, "Object", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(namedObjectEClass, NamedObject.class, "NamedObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getNamedObject_Name(), ecorePackage.getEString(), "name", null, 0, 1, NamedObject.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(unnamedObjectEClass, UnnamedObject.class, "UnnamedObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getUnnamedObject_Name(), ecorePackage.getEString(), "name", null, 0, 1, UnnamedObject.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(dataObjectEClass, DataObject.class, "DataObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(booleanObjectEClass, BooleanObject.class, "BooleanObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getBooleanObject_Value(), this.getBooleanValue(), null, "value", null, 0, 1, BooleanObject.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(intObjectEClass, IntObject.class, "IntObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getIntObject_Value(), ecorePackage.getEInt(), "value", null, 0, 1, IntObject.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(realObjectEClass, RealObject.class, "RealObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getRealObject_Value(), ecorePackage.getEBigDecimal(), "value", null, 0, 1, RealObject.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(stringObjectEClass, StringObject.class, "StringObject", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getStringObject_Value(), ecorePackage.getEString(), "value", null, 0, 1, StringObject.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(predicateEClass, Predicate.class, "Predicate", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getPredicate_Parameters(), this.getParameter(), null, "parameters", null, 0, -1, Predicate.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getPredicate_Bodies(), this.getPatternBody(), null, "bodies", null, 0, -1, Predicate.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(predicateSymbolEClass, PredicateSymbol.class, "PredicateSymbol", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getPredicateSymbol_Symbol(), this.getModelSymbol(), null, "symbol", null, 0, 1, PredicateSymbol.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(errorPredicateEClass, ErrorPredicate.class, "ErrorPredicate", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getErrorPredicate_Name(), ecorePackage.getEString(), "name", null, 0, 1, ErrorPredicate.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(parameterEClass, Parameter.class, "Parameter", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getParameter_Variable(), this.getVariable(), null, "variable", null, 0, 1, Parameter.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getParameter_Type(), this.getSymbol(), null, "type", null, 0, 1, Parameter.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(patternBodyEClass, PatternBody.class, "PatternBody", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getPatternBody_Constraints(), this.getConstraint(), null, "constraints", null, 0, -1, PatternBody.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(polarityEClass, Polarity.class, "Polarity", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(constraintEClass, Constraint.class, "Constraint", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getConstraint_Polarity(), this.getPolarity(), null, "polarity", null, 0, 1, Constraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getConstraint_Symbol(), this.getModelSymbol(), null, "symbol", null, 0, 1, Constraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getConstraint_Params(), this.getLiteral(), null, "params", null, 0, -1, Constraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getConstraint_ClosureType(), this.getClosureType(), null, "closureType", null, 0, 1, Constraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(closureTypeEClass, ClosureType.class, "ClosureType", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(literalEClass, Literal.class, "Literal", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(variableEClass, Variable.class, "Variable", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getVariable_Name(), ecorePackage.getEString(), "name", null, 0, 1, Variable.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(allInstancesEClass, AllInstances.class, "AllInstances", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getAllInstances_Symbol(), this.getSymbol(), null, "symbol", null, 0, 1, AllInstances.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(allObjectsEClass, AllObjects.class, "AllObjects", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(defaultInterpretationEClass, DefaultInterpretation.class, "DefaultInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getDefaultInterpretation_Interpretation(), this.getBasicInterpretation(), null, "interpretation", null, 0, 1, DefaultInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(cdInterpretationEClass, CDInterpretation.class, "CDInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(classInterpretationEClass, ClassInterpretation.class, "ClassInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getClassInterpretation_Abstract(), ecorePackage.getEBoolean(), "abstract", null, 0, 1, ClassInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getClassInterpretation_Symbol(), this.getModelSymbol(), null, "symbol", null, 0, 1, ClassInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getClassInterpretation_Supertypes(), this.getModelSymbol(), null, "supertypes", null, 0, -1, ClassInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getClassInterpretation_Fielt(), this.getFieldRelationInterpretation(), null, "fielt", null, 0, -1, ClassInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(enumInterpretationEClass, EnumInterpretation.class, "EnumInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getEnumInterpretation_Symbol(), this.getModelSymbol(), null, "Symbol", null, 0, 1, EnumInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getEnumInterpretation_Objects(), this.getNamedObject(), null, "objects", null, 0, -1, EnumInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(fieldRelationInterpretationEClass, FieldRelationInterpretation.class, "FieldRelationInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getFieldRelationInterpretation_Containment(), ecorePackage.getEBoolean(), "containment", null, 0, 1, FieldRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getFieldRelationInterpretation_Symbol(), this.getModelSymbol(), null, "symbol", null, 0, 1, FieldRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getFieldRelationInterpretation_Multiplicity(), this.getMultiplicityDefinition(), null, "multiplicity", null, 0, 1, FieldRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getFieldRelationInterpretation_Target(), this.getSymbol(), null, "target", null, 0, 1, FieldRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(globalRelationInterpretationEClass, GlobalRelationInterpretation.class, "GlobalRelationInterpretation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getGlobalRelationInterpretation_Containment(), ecorePackage.getEBoolean(), "containment", null, 0, 1, GlobalRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getGlobalRelationInterpretation_Symbol(), this.getModelSymbol(), null, "symbol", null, 0, 1, GlobalRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getGlobalRelationInterpretation_SourceMultiplicity(), this.getMultiplicityDefinition(), null, "sourceMultiplicity", null, 0, 1, GlobalRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getGlobalRelationInterpretation_Source(), this.getSymbol(), null, "source", null, 0, 1, GlobalRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getGlobalRelationInterpretation_TargetMultiplicity(), this.getMultiplicityDefinition(), null, "targetMultiplicity", null, 0, 1, GlobalRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getGlobalRelationInterpretation_Target(), this.getSymbol(), null, "target", null, 0, 1, GlobalRelationInterpretation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(multiplicityDefinitionEClass, MultiplicityDefinition.class, "MultiplicityDefinition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getMultiplicityDefinition_Lower(), ecorePackage.getEInt(), "lower", null, 0, 1, MultiplicityDefinition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEAttribute(getMultiplicityDefinition_Upper(), ecorePackage.getEInt(), "upper", null, 0, 1, MultiplicityDefinition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEAttribute(getMultiplicityDefinition_UnlimitedUpper(), ecorePackage.getEBoolean(), "unlimitedUpper", null, 0, 1, MultiplicityDefinition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEClass(booleanTrueEClass, BooleanTrue.class, "BooleanTrue", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(booleanFalseEClass, BooleanFalse.class, "BooleanFalse", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(trueEClass, True.class, "True", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(falseEClass, False.class, "False", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(unknownEClass, Unknown.class, "Unknown", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(errorEClass, org.eclipse.viatra.solver.language.solverLanguage.Error.class, "Error", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(positiveEClass, Positive.class, "Positive", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(negativeEClass, Negative.class, "Negative", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(reflexiveClosureEClass, ReflexiveClosure.class, "ReflexiveClosure", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEClass(irreflexiveClosureEClass, IrreflexiveClosure.class, "IrreflexiveClosure", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    // Create resource
+    createResource(eNS_URI);
+  }
+} //SolverLanguagePackageImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StatementImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StatementImpl.java
new file mode 100644
index 00000000..6e660396
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StatementImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Statement;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Statement</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class StatementImpl extends MinimalEObjectImpl.Container implements Statement
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StatementImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.STATEMENT;
+  }
+} //StatementImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StringObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StringObjectImpl.java
new file mode 100644
index 00000000..7a7866a7
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StringObjectImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.StringObject;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>String Object</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.StringObjectImpl#getValue <em>Value</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class StringObjectImpl extends DataObjectImpl implements StringObject
+{
+  /**
+   * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected static final String VALUE_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected String value = VALUE_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StringObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.STRING_OBJECT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String getValue()
+  {
+    return value;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setValue(String newValue)
+  {
+    String oldValue = value;
+    value = newValue;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.STRING_OBJECT__VALUE, oldValue, value));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.STRING_OBJECT__VALUE:
+        return getValue();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.STRING_OBJECT__VALUE:
+        setValue((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.STRING_OBJECT__VALUE:
+        setValue(VALUE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.STRING_OBJECT__VALUE:
+        return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (value: ");
+    result.append(value);
+    result.append(')');
+    return result.toString();
+  }
+} //StringObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StringSymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StringSymbolImpl.java
new file mode 100644
index 00000000..faf3f06a
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/StringSymbolImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.StringSymbol;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>String Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class StringSymbolImpl extends DataSymbolImpl implements StringSymbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StringSymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.STRING_SYMBOL;
+  }
+} //StringSymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SymbolImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SymbolImpl.java
new file mode 100644
index 00000000..15d1294e
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/SymbolImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Symbol;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Symbol</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class SymbolImpl extends MinimalEObjectImpl.Container implements Symbol
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected SymbolImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.SYMBOL;
+  }
+} //SymbolImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/TrueImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/TrueImpl.java
new file mode 100644
index 00000000..c0e04a9a
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/TrueImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.True;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>True</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class TrueImpl extends TruthValueImpl implements True
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected TrueImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.TRUE;
+  }
+} //TrueImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/TruthValueImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/TruthValueImpl.java
new file mode 100644
index 00000000..f5b0fba6
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/TruthValueImpl.java
@@ -0,0 +1,43 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.TruthValue;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Truth Value</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class TruthValueImpl extends MinimalEObjectImpl.Container implements TruthValue
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected TruthValueImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.TRUTH_VALUE;
+  }
+} //TruthValueImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/UnknownImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/UnknownImpl.java
new file mode 100644
index 00000000..44195feb
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/UnknownImpl.java
@@ -0,0 +1,41 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Unknown;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Unknown</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class UnknownImpl extends TruthValueImpl implements Unknown
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected UnknownImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.UNKNOWN;
+  }
+} //UnknownImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/UnnamedObjectImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/UnnamedObjectImpl.java
new file mode 100644
index 00000000..39bec164
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/UnnamedObjectImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.UnnamedObject;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Unnamed Object</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.UnnamedObjectImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class UnnamedObjectImpl extends ObjectImpl implements UnnamedObject
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected UnnamedObjectImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.UNNAMED_OBJECT;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String getName()
+  {
+    return name;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.UNNAMED_OBJECT__NAME, oldName, name));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.UNNAMED_OBJECT__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.UNNAMED_OBJECT__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.UNNAMED_OBJECT__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.UNNAMED_OBJECT__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+} //UnnamedObjectImpl
diff --git a/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/VariableImpl.java b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/VariableImpl.java
new file mode 100644
index 00000000..9a254023
--- /dev/null
+++ b/Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl/VariableImpl.java
@@ -0,0 +1,179 @@
+/**
+ * generated by Xtext 2.18.0.M3
+ */
+package org.eclipse.viatra.solver.language.solverLanguage.impl;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
+import org.eclipse.viatra.solver.language.solverLanguage.Variable;
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Variable</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.VariableImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class VariableImpl extends LiteralImpl implements Variable
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected VariableImpl()
+  {
+    super();
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return SolverLanguagePackage.Literals.VARIABLE;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String getName()
+  {
+    return name;
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.VARIABLE__NAME, oldName, name));
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.VARIABLE__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.VARIABLE__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.VARIABLE__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case SolverLanguagePackage.VARIABLE__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+    StringBuilder result = new StringBuilder(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+} //VariableImpl
author	Oszkar Semerath <semerath@mit.bme.hu>	2020-04-28 20:43:04 +0200
committer	Oszkar Semerath <semerath@mit.bme.hu>	2020-04-28 20:43:04 +0200
commit	8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe (patch)
tree	d525bef75519f364d637e0779f8e63d4199dee31 /Application/org.eclipse.viatra.solver.language/src-gen/org/eclipse/viatra/solver/language/solverLanguage/impl
parent	check expressions are mapped to WF constraints (diff)
download	VIATRA-Generator-8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe.tar.gz VIATRA-Generator-8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe.tar.zst VIATRA-Generator-8a7b9b436b31e6d2f5a0521a077c960ebdeb4cbe.zip