fixed/improved the qualitative checks

Former-commit-id: 5e889a0d95

src/modelchecker/multiobjective/helper/SparseMultiObjectivePreprocessor.cpp

@@ -28,7 +28,7 @@ namespace storm {
                 while(data.preprocessedModel.hasLabel(data.prob1StatesLabel)) {
                     data.prob1StatesLabel = "_" + data.prob1StatesLabel;
                 }
-                data.preprocessedModel.getStateLabeling().addLabel(data.prob1StatesLabel);
+                data.preprocessedModel.getStateLabeling().addLabel(data.prob1StatesLabel, storm::storage::BitVector(data.preprocessedModel.getNumberOfStates(), true));
                 
                 //Invoke preprocessing on the individual objectives
                 for(auto const& subFormula : originalFormula.getSubFormulas()){
@@ -181,16 +181,14 @@ namespace storm {
                     storm::storage::BitVector subsystemStates;
                     storm::storage::BitVector noIncomingTransitionFromFirstCopyStates;
                     if(isProb0Formula) {
-                        subsystemStates = storm::utility::graph::performProb0E(data.preprocessedModel, data.preprocessedModel.getBackwardTransitions(), duplicatorResult.firstCopy, newPsiStates);
-                        subsystemStates |= duplicatorResult.secondCopy;
+                        storm::storage::BitVector statesReachableInSecondCopy = storm::utility::graph::getReachableStates(data.preprocessedModel.getTransitionMatrix(), duplicatorResult.gateStates & (~newPsiStates), duplicatorResult.secondCopy, storm::storage::BitVector(data.preprocessedModel.getNumberOfStates(), false));
+                        subsystemStates = statesReachableInSecondCopy | storm::utility::graph::performProb0E(data.preprocessedModel, data.preprocessedModel.getBackwardTransitions(), duplicatorResult.firstCopy, newPsiStates);
                         noIncomingTransitionFromFirstCopyStates = newPsiStates;
                     } else {
-                        for(auto psiState : newPsiStates) {
-                            data.preprocessedModel.getStateLabeling().addLabelToState(data.prob1StatesLabel, psiState);
-                        }
-                        subsystemStates = storm::utility::graph::performProb1E(data.preprocessedModel, data.preprocessedModel.getBackwardTransitions(), duplicatorResult.firstCopy, newPsiStates);
-                        subsystemStates |= duplicatorResult.secondCopy;
-                        noIncomingTransitionFromFirstCopyStates = duplicatorResult.secondCopy & (~newPsiStates);
+                        storm::storage::BitVector statesReachableInSecondCopy = storm::utility::graph::getReachableStates(data.preprocessedModel.getTransitionMatrix(), newPsiStates, duplicatorResult.secondCopy, storm::storage::BitVector(data.preprocessedModel.getNumberOfStates(), false));
+                        data.preprocessedModel.getStateLabeling().setStates(data.prob1StatesLabel, data.preprocessedModel.getStateLabeling().getStates(data.prob1StatesLabel) & statesReachableInSecondCopy);
+                        subsystemStates = statesReachableInSecondCopy | storm::utility::graph::performProb1E(data.preprocessedModel, data.preprocessedModel.getBackwardTransitions(), duplicatorResult.firstCopy, newPsiStates);
+                        noIncomingTransitionFromFirstCopyStates = duplicatorResult.gateStates & (~newPsiStates);
                     }
                     storm::storage::BitVector consideredActions(data.preprocessedModel.getTransitionMatrix().getRowCount(), true);
                     for(auto state : duplicatorResult.firstCopy) {
@@ -203,7 +201,6 @@ namespace storm {
                             }
                         }
                     }
-                    subsystemStates = storm::utility::graph::getReachableStates(data.preprocessedModel.getTransitionMatrix(), data.preprocessedModel.getInitialStates(), subsystemStates, storm::storage::BitVector(subsystemStates.size(), false));
                     auto subsystemBuilderResult = storm::transformer::SubsystemBuilder<SparseModelType>::transform(data.preprocessedModel, subsystemStates, consideredActions);
                     updatePreprocessedModel(data, *subsystemBuilderResult.model, subsystemBuilderResult.newToOldStateIndexMapping);
                     data.objectivesSolvedInPreprocessing.set(data.objectives.size());
@@ -276,11 +273,8 @@ namespace storm {
                 // States of the first copy from which the second copy is not reachable with prob 1 under any scheduler can
                 // be removed as the expected reward is not defined for these states.
                 // We also need to enforce that the second copy will be reached eventually with prob 1.
-                for(auto targetState : duplicatorResult.gateStates) {
-                    data.preprocessedModel.getStateLabeling().addLabelToState(data.prob1StatesLabel, targetState);
-                }
-                storm::storage::BitVector subsystemStates = storm::utility::graph::performProb1E(data.preprocessedModel, data.preprocessedModel.getBackwardTransitions(), duplicatorResult.firstCopy, duplicatorResult.gateStates);
-                subsystemStates |= duplicatorResult.secondCopy;
+                data.preprocessedModel.getStateLabeling().setStates(data.prob1StatesLabel, data.preprocessedModel.getStateLabeling().getStates(data.prob1StatesLabel) & duplicatorResult.secondCopy);
+                storm::storage::BitVector subsystemStates =  duplicatorResult.secondCopy | storm::utility::graph::performProb1E(data.preprocessedModel, data.preprocessedModel.getBackwardTransitions(), duplicatorResult.firstCopy, duplicatorResult.gateStates);
                 if(!subsystemStates.full()) {
                     auto subsystemBuilderResult = storm::transformer::SubsystemBuilder<SparseModelType>::transform(data.preprocessedModel, subsystemStates, storm::storage::BitVector(data.preprocessedModel.getTransitionMatrix().getRowCount(), true));
                     updatePreprocessedModel(data, *subsystemBuilderResult.model, subsystemBuilderResult.newToOldStateIndexMapping);

src/models/sparse/StateLabeling.cpp

@@ -97,6 +97,18 @@ namespace storm {
                 return this->labelings[nameToLabelingIndexMap.at(label)];
             }
 
+            void StateLabeling::setStates(std::string const& label, storage::BitVector const& labeling) {
+                STORM_LOG_THROW(this->containsLabel(label), storm::exceptions::InvalidArgumentException, "The label " << label << " is invalid for the labeling of the model.");
+                STORM_LOG_THROW(labeling.size() == stateCount, storm::exceptions::InvalidArgumentException, "Labeling vector has invalid size.");
+                this->labelings[nameToLabelingIndexMap.at(label)] = labeling;
+            }
+            
+            void StateLabeling::setStates(std::string const& label, storage::BitVector&& labeling) {
+                STORM_LOG_THROW(this->containsLabel(label), storm::exceptions::InvalidArgumentException, "The label " << label << " is invalid for the labeling of the model.");
+                STORM_LOG_THROW(labeling.size() == stateCount, storm::exceptions::InvalidArgumentException, "Labeling vector has invalid size.");
+                this->labelings[nameToLabelingIndexMap.at(label)] = labeling;
+            }
+            
             std::size_t StateLabeling::getSizeInBytes() const {
                 std::size_t result = sizeof(*this);
                 if (!labelings.empty()) {

src/models/sparse/StateLabeling.h

@@ -130,6 +130,22 @@ namespace storm {
                  */
                 storm::storage::BitVector const& getStates(std::string const& label) const;
                 
+                /*!
+                 * Sets the labeling of states associated with the given label.
+                 *
+                 * @param label The name of the label.
+                 * @param labeling A bit vector that represents the set of states that will get this label.
+                 */
+                void setStates(std::string const& label, storage::BitVector const& labeling);
+                
+                /*!
+                 * Sets the labeling of states associated with the given label.
+                 *
+                 * @param label The name of the label.
+                 * @param labeling A bit vector that represents the set of states that will get this label.
+                 */
+                void setStates(std::string const& label, storage::BitVector&& labeling);
+                
                 /*!
                  * Returns (an approximation of) the size of the labeling measured in bytes.
                  *