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changed computeBoundedGloballyProbabilities computation by using computeBoundedUntilProbabilities

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Lukas Posch 4 years ago
committed by Stefan Pranger
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4373c324f9
commit
86c3b3d9c6
2 changed files with 17 additions and 39 deletions
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  1. 54
      src/storm/modelchecker/rpatl/helper/SparseSmgRpatlHelper.cpp
  2. 2
      src/storm/modelchecker/rpatl/helper/SparseSmgRpatlHelper.h

54
src/storm/modelchecker/rpatl/helper/SparseSmgRpatlHelper.cpp
View File

@ -129,48 +129,24 @@ namespace storm {
template<typename ValueType>
SMGSparseModelCheckingHelperReturnType<ValueType> SparseSmgRpatlHelper<ValueType>::computeBoundedGloballyProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint,uint64_t lowerBound, uint64_t upperBound) {
auto solverEnv = env;
solverEnv.solver().minMax().setMethod(storm::solver::MinMaxMethod::ValueIteration, false);
// Relevant states are safe states - the psiStates.
storm::storage::BitVector relevantStates = psiStates;
// Initializations.
std::vector<ValueType> x = std::vector<ValueType>(relevantStates.getNumberOfSetBits(), storm::utility::one<ValueType>());
std::vector<ValueType> b = std::vector<ValueType>(transitionMatrix.getConstrainedRowGroupSumVector(relevantStates, psiStates).size(), storm::utility::zero<ValueType>());
std::vector<ValueType> result = std::vector<ValueType>(transitionMatrix.getRowGroupCount(), storm::utility::zero<ValueType>());
std::vector<ValueType> constrainedChoiceValues = std::vector<ValueType>(transitionMatrix.getConstrainedRowGroupSumVector(relevantStates, psiStates).size(), storm::utility::zero<ValueType>());
std::unique_ptr<storm::storage::Scheduler<ValueType>> scheduler;
storm::storage::BitVector clippedStatesOfCoalition(relevantStates.getNumberOfSetBits());
clippedStatesOfCoalition.setClippedStatesOfCoalition(relevantStates, statesOfCoalition);
//clippedStatesOfCoalition.complement();
STORM_LOG_DEBUG(clippedStatesOfCoalition);
if(!relevantStates.empty() && upperBound > 0) {
// Reduce the matrix to relevant states.
storm::storage::SparseMatrix<ValueType> submatrix = transitionMatrix.getSubmatrix(true, relevantStates, relevantStates, false);
// Create GameViHelper for computations.
storm::modelchecker::helper::internal::GameViHelper<ValueType> viHelper(submatrix, clippedStatesOfCoalition);
if (produceScheduler) {
viHelper.setProduceScheduler(true);
}
// G psi = not(F(not psi)) = not(true U (not psi))
// The psiStates are flipped, then the true U part is calculated, at the end the result is flipped again.
storm::storage::BitVector notPsiStates = ~psiStates;
statesOfCoalition.complement();
viHelper.performValueIterationUpperBound(env, x, b, goal.direction(), upperBound, constrainedChoiceValues);
viHelper.fillChoiceValuesVector(constrainedChoiceValues, relevantStates, transitionMatrix.getRowGroupIndices());
if (produceScheduler) {
scheduler = std::make_unique<storm::storage::Scheduler<ValueType>>(expandScheduler(viHelper.extractScheduler(), relevantStates, ~relevantStates));
}
auto result = computeBoundedUntilProbabilities(env, std::move(goal), transitionMatrix, backwardTransitions, storm::storage::BitVector(transitionMatrix.getRowGroupCount(), true), notPsiStates, qualitative, statesOfCoalition, produceScheduler, hint, lowerBound, upperBound, true);
for (auto& element : result.values) {
element = storm::utility::one<ValueType>() - element;
}
// Fill up the result vector with the values of x for the relevant states (0 is default)
storm::utility::vector::setVectorValues(result, relevantStates, x);
STORM_LOG_DEBUG(result);
return SMGSparseModelCheckingHelperReturnType<ValueType>(std::move(result), std::move(relevantStates), std::move(scheduler), std::move(constrainedChoiceValues));
for (auto& element : result.choiceValues) {
element = storm::utility::one<ValueType>() - element;
}
STORM_LOG_DEBUG(result.values);
return result;
}
template<typename ValueType>
SMGSparseModelCheckingHelperReturnType<ValueType> SparseSmgRpatlHelper<ValueType>::computeBoundedUntilProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint,uint64_t lowerBound, uint64_t upperBound) {
SMGSparseModelCheckingHelperReturnType<ValueType> SparseSmgRpatlHelper<ValueType>::computeBoundedUntilProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint,uint64_t lowerBound, uint64_t upperBound, bool computeBoundedGlobally) {
auto solverEnv = env;
solverEnv.solver().minMax().setMethod(storm::solver::MinMaxMethod::ValueIteration, false);
@ -242,7 +218,9 @@ namespace storm {
storm::utility::vector::setVectorValues(result, relevantStates, x);
}
storm::utility::vector::setVectorValues(result, psiStates, storm::utility::one<ValueType>());
if(!computeBoundedGlobally){
storm::utility::vector::setVectorValues(result, psiStates, storm::utility::one<ValueType>());
}
STORM_LOG_DEBUG(result);
return SMGSparseModelCheckingHelperReturnType<ValueType>(std::move(result), std::move(relevantStates), std::move(scheduler), std::move(constrainedChoiceValues));
}

2
src/storm/modelchecker/rpatl/helper/SparseSmgRpatlHelper.h
View File

@ -38,7 +38,7 @@ namespace storm {
static SMGSparseModelCheckingHelperReturnType<ValueType> computeGloballyProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint = ModelCheckerHint());
static SMGSparseModelCheckingHelperReturnType<ValueType> computeNextProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint);
static SMGSparseModelCheckingHelperReturnType<ValueType> computeBoundedGloballyProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint, uint64_t lowerBound, uint64_t upperBound);
static SMGSparseModelCheckingHelperReturnType<ValueType> computeBoundedUntilProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint, uint64_t lowerBound, uint64_t upperBound);
static SMGSparseModelCheckingHelperReturnType<ValueType> computeBoundedUntilProbabilities(Environment const& env, storm::solver::SolveGoal<ValueType>&& goal, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::storage::BitVector statesOfCoalition, bool produceScheduler, ModelCheckerHint const& hint, uint64_t lowerBound, uint64_t upperBound, bool computeBoundedGlobally = false);
private:
static storm::storage::Scheduler<ValueType> expandScheduler(storm::storage::Scheduler<ValueType> scheduler, storm::storage::BitVector psiStates, storm::storage::BitVector notPhiStates);
static void expandChoiceValues(std::vector<uint_fast64_t> const& rowGroupIndices, storm::storage::BitVector const& relevantStates, std::vector<ValueType> const& constrainedChoiceValues, std::vector<ValueType>& choiceValues);

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