Result for upper bounds needs only be calculated for k=0

src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.cpp

@@ -391,6 +391,7 @@ namespace storm {
                             calculateUnifPlusVector(env, k, state, false, lambda, numberOfProbabilisticChoices, relativeReachabilities, dir, unifVectors, fullTransitionMatrix, markovianAndGoalStates, psiStates, solver, foxGlynnResult, cycleFree);
                         }
 
+                        if (k == 0) {
                             // Calculate result for upper bound
                             // resUpperNew was already initialized with zeros
                             uint64_t left = std::max(foxGlynnResult.left, (uint64_t)(k));
@@ -402,6 +403,7 @@ namespace storm {
                                 }
                             }
                         }
+                    }
 
                     // Only iterate over result vector, as the results can only get more precise.
                     maxNorm = storm::utility::zero<ValueType>();