1 files changed, 3 insertions, 0 deletions

diff --git a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/cardinality/MultiplicityGoalConstraintCalculator.xtend b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/cardinality/MultiplicityGoalConstraintCalculator.xtend
index 392ab3ee..273e0ac3 100644
--- a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/cardinality/MultiplicityGoalConstraintCalculator.xtend
+++ b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/cardinality/MultiplicityGoalConstraintCalculator.xtend
@@ -14,6 +14,9 @@ class MultiplicityGoalConstraintCalculator {
         val int cost

                 

         new(String targetRelationName, IQuerySpecification<?> querySpecification, boolean containment, int lowerBound, int cost) {

+                if (lowerBound <= 0) {

+                        throw new IllegalArgumentException("Invalid lower bound: " + lowerBound)

+                }

                 this.targetRelationName = targetRelationName

                 this.querySpecification = querySpecification

                 this.calculator = null