also store the initial states within an epoch model

src/storm/modelchecker/multiobjective/rewardbounded/MultiDimensionalRewardUnfolding.cpp

@@ -242,6 +242,8 @@ namespace storm {
                     }
                 }
                 
+                result->initialStates = modelMemoryProduct->getInitialStates();
+                
                 return result;
             }
             

src/storm/modelchecker/multiobjective/rewardbounded/MultiDimensionalRewardUnfolding.h

@@ -29,6 +29,7 @@ namespace storm {
                     std::vector<std::vector<ValueType>> objectiveRewards;
                     std::vector<storm::storage::BitVector> objectiveRewardFilter;
                     std::vector<storm::storage::BitVector> relevantStates;
+                    storm::storage::BitVector initialStates;
                 };
                 
                 struct EpochSolution {