sp
/
tempest
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

enabled rationals/rational functions in CTMC model checker 

Former-commit-id: dc15cd6020
tempestpy_adaptions
dehnert 9 years ago
parent
d661454179
commit
248b257f20
7 changed files with 288 additions and 196 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 31
      src/modelchecker/csl/SparseCtmcCslModelChecker.cpp
  2. 8
      src/modelchecker/csl/SparseCtmcCslModelChecker.h
  3. 16
      src/modelchecker/csl/helper/HybridCtmcCslHelper.cpp
  4. 388
      src/modelchecker/csl/helper/SparseCtmcCslHelper.cpp
  5. 37
      src/modelchecker/csl/helper/SparseCtmcCslHelper.h
  6. 2
      src/modelchecker/prctl/SparseDtmcPrctlModelChecker.cpp
  7. 2
      src/modelchecker/prctl/helper/SparseDtmcPrctlHelper.cpp

31
src/modelchecker/csl/SparseCtmcCslModelChecker.cpp
View File

@ -35,10 +35,23 @@ namespace storm {
template <typename SparseCtmcModelType>
bool SparseCtmcCslModelChecker<SparseCtmcModelType>::canHandle(CheckTask<storm::logic::Formula> const& checkTask) const {
return SparseCtmcCslModelChecker<SparseCtmcModelType>::canHandleImplementation<ValueType>(checkTask);
}
template <typename SparseCtmcModelType>
template<typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
bool SparseCtmcCslModelChecker<SparseCtmcModelType>::canHandleImplementation(CheckTask<storm::logic::Formula> const& checkTask) const {
storm::logic::Formula const& formula = checkTask.getFormula();
return formula.isInFragment(storm::logic::csrl().setGloballyFormulasAllowed(false).setLongRunAverageRewardFormulasAllowed(false).setLongRunAverageProbabilitiesAllowed(true).setTimeAllowed(true));
}
template <typename SparseCtmcModelType>
template<typename ValueType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
bool SparseCtmcCslModelChecker<SparseCtmcModelType>::canHandleImplementation(CheckTask<storm::logic::Formula> const& checkTask) const {
storm::logic::Formula const& formula = checkTask.getFormula();
return formula.isInFragment(storm::logic::prctl().setGloballyFormulasAllowed(false).setLongRunAverageRewardFormulasAllowed(false).setLongRunAverageProbabilitiesAllowed(true).setTimeAllowed(true));
}
template <typename SparseCtmcModelType>
std::unique_ptr<CheckResult> SparseCtmcCslModelChecker<SparseCtmcModelType>::computeBoundedUntilProbabilities(CheckTask<storm::logic::BoundedUntilFormula> const& checkTask) {
storm::logic::BoundedUntilFormula const& pathFormula = checkTask.getFormula();
@ -56,7 +69,7 @@ namespace storm {
upperBound = pathFormula.getDiscreteTimeBound();
}
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeBoundedUntilProbabilities(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), leftResult.getTruthValuesVector(), rightResult.getTruthValuesVector(), this->getModel().getExitRateVector(), checkTask.isQualitativeSet(), lowerBound, upperBound, *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeBoundedUntilProbabilities(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), leftResult.getTruthValuesVector(), rightResult.getTruthValuesVector(), this->getModel().getExitRateVector(), checkTask.isQualitativeSet(), lowerBound, upperBound, *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
@ -65,7 +78,7 @@ namespace storm {
storm::logic::NextFormula const& pathFormula = checkTask.getFormula();
std::unique_ptr<CheckResult> subResultPointer = this->check(pathFormula.getSubformula());
ExplicitQualitativeCheckResult const& subResult = subResultPointer->asExplicitQualitativeCheckResult();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeNextProbabilities(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector(), subResult.getTruthValuesVector(), *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeNextProbabilities(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector(), subResult.getTruthValuesVector(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
@ -76,21 +89,21 @@ namespace storm {
std::unique_ptr<CheckResult> rightResultPointer = this->check(pathFormula.getRightSubformula());
ExplicitQualitativeCheckResult const& leftResult = leftResultPointer->asExplicitQualitativeCheckResult();
ExplicitQualitativeCheckResult const& rightResult = rightResultPointer->asExplicitQualitativeCheckResult();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeUntilProbabilities(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), this->getModel().getExitRateVector(), leftResult.getTruthValuesVector(), rightResult.getTruthValuesVector(), checkTask.isQualitativeSet(), *this->linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeUntilProbabilities(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), this->getModel().getExitRateVector(), leftResult.getTruthValuesVector(), rightResult.getTruthValuesVector(), checkTask.isQualitativeSet(), *this->linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
template <typename SparseCtmcModelType>
std::unique_ptr<CheckResult> SparseCtmcCslModelChecker<SparseCtmcModelType>::computeInstantaneousRewards(storm::logic::RewardMeasureType rewardMeasureType, CheckTask<storm::logic::InstantaneousRewardFormula> const& checkTask) {
storm::logic::InstantaneousRewardFormula const& rewardPathFormula = checkTask.getFormula();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeInstantaneousRewards(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector(), checkTask.isRewardModelSet() ? this->getModel().getRewardModel(checkTask.getRewardModel()) : this->getModel().getRewardModel(""), rewardPathFormula.getContinuousTimeBound(), *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeInstantaneousRewards(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector(), checkTask.isRewardModelSet() ? this->getModel().getRewardModel(checkTask.getRewardModel()) : this->getModel().getRewardModel(""), rewardPathFormula.getContinuousTimeBound(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
template <typename SparseCtmcModelType>
std::unique_ptr<CheckResult> SparseCtmcCslModelChecker<SparseCtmcModelType>::computeCumulativeRewards(storm::logic::RewardMeasureType rewardMeasureType, CheckTask<storm::logic::CumulativeRewardFormula> const& checkTask) {
storm::logic::CumulativeRewardFormula const& rewardPathFormula = checkTask.getFormula();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeCumulativeRewards(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector(), checkTask.isRewardModelSet() ? this->getModel().getRewardModel(checkTask.getRewardModel()) : this->getModel().getRewardModel(""), rewardPathFormula.getContinuousTimeBound(), *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeCumulativeRewards(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector(), checkTask.isRewardModelSet() ? this->getModel().getRewardModel(checkTask.getRewardModel()) : this->getModel().getRewardModel(""), rewardPathFormula.getContinuousTimeBound(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
@ -100,7 +113,7 @@ namespace storm {
std::unique_ptr<CheckResult> subResultPointer = this->check(eventuallyFormula.getSubformula());
ExplicitQualitativeCheckResult const& subResult = subResultPointer->asExplicitQualitativeCheckResult();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeReachabilityRewards(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), this->getModel().getExitRateVector(), checkTask.isRewardModelSet() ? this->getModel().getRewardModel(checkTask.getRewardModel()) : this->getModel().getRewardModel(""), subResult.getTruthValuesVector(), checkTask.isQualitativeSet(), *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeReachabilityRewards(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), this->getModel().getExitRateVector(), checkTask.isRewardModelSet() ? this->getModel().getRewardModel(checkTask.getRewardModel()) : this->getModel().getRewardModel(""), subResult.getTruthValuesVector(), checkTask.isQualitativeSet(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
@ -110,8 +123,8 @@ namespace storm {
std::unique_ptr<CheckResult> subResultPointer = this->check(stateFormula);
ExplicitQualitativeCheckResult const& subResult = subResultPointer->asExplicitQualitativeCheckResult();
storm::storage::SparseMatrix<ValueType> probabilityMatrix = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeProbabilityMatrix(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector());
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeLongRunAverageProbabilities(probabilityMatrix, subResult.getTruthValuesVector(), &this->getModel().getExitRateVector(), checkTask.isQualitativeSet(), *linearEquationSolverFactory);
storm::storage::SparseMatrix<ValueType> probabilityMatrix = storm::modelchecker::helper::SparseCtmcCslHelper::computeProbabilityMatrix(this->getModel().getTransitionMatrix(), this->getModel().getExitRateVector());
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeLongRunAverageProbabilities(probabilityMatrix, subResult.getTruthValuesVector(), &this->getModel().getExitRateVector(), checkTask.isQualitativeSet(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}
@ -121,7 +134,7 @@ namespace storm {
std::unique_ptr<CheckResult> subResultPointer = this->check(eventuallyFormula.getSubformula());
ExplicitQualitativeCheckResult& subResult = subResultPointer->asExplicitQualitativeCheckResult();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeReachabilityTimes(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), this->getModel().getExitRateVector(), this->getModel().getInitialStates(), subResult.getTruthValuesVector(), checkTask.isQualitativeSet(), *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeReachabilityTimes(this->getModel().getTransitionMatrix(), this->getModel().getBackwardTransitions(), this->getModel().getExitRateVector(), this->getModel().getInitialStates(), subResult.getTruthValuesVector(), checkTask.isQualitativeSet(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}

8
src/modelchecker/csl/SparseCtmcCslModelChecker.h
View File

@ -7,6 +7,8 @@
#include "src/solver/LinearEquationSolver.h"
#include "src/utility/NumberTraits.h"
namespace storm {
namespace modelchecker {
@ -31,6 +33,12 @@ namespace storm {
virtual std::unique_ptr<CheckResult> computeReachabilityTimes(storm::logic::RewardMeasureType rewardMeasureType, CheckTask<storm::logic::EventuallyFormula> const& checkTask) override;
private:
template<typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
bool canHandleImplementation(CheckTask<storm::logic::Formula> const& checkTask) const;
template<typename ValueType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
bool canHandleImplementation(CheckTask<storm::logic::Formula> const& checkTask) const;
// An object that is used for solving linear equations and performing matrix-vector multiplication.
std::unique_ptr<storm::solver::LinearEquationSolverFactory<ValueType>> linearEquationSolverFactory;
};

16
src/modelchecker/csl/helper/HybridCtmcCslHelper.cpp
View File

@ -87,7 +87,7 @@ namespace storm {
// Finally compute the transient probabilities.
std::vector<ValueType> values(statesWithProbabilityGreater0NonPsi.getNonZeroCount(), storm::utility::zero<ValueType>());
std::vector<ValueType> subresult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(explicitUniformizedMatrix, &explicitB, upperBound, uniformizationRate, values, linearEquationSolverFactory);
std::vector<ValueType> subresult = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities(explicitUniformizedMatrix, &explicitB, upperBound, uniformizationRate, values, linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(),
(psiStates || !statesWithProbabilityGreater0) && model.getReachableStates(),
@ -125,7 +125,7 @@ namespace storm {
storm::storage::SparseMatrix<ValueType> explicitUniformizedMatrix = uniformizedMatrix.toMatrix(odd, odd);
// Compute the transient probabilities.
result = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(explicitUniformizedMatrix, nullptr, lowerBound, uniformizationRate, result, linearEquationSolverFactory);
result = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities<ValueType>(explicitUniformizedMatrix, nullptr, lowerBound, uniformizationRate, result, linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(), !relevantStates && model.getReachableStates(), model.getManager().template getAddZero<ValueType>(), relevantStates, odd, result));
} else {
@ -151,7 +151,7 @@ namespace storm {
// Compute the transient probabilities.
std::vector<ValueType> values(statesWithProbabilityGreater0NonPsi.getNonZeroCount(), storm::utility::zero<ValueType>());
std::vector<ValueType> subResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(explicitUniformizedMatrix, &explicitB, upperBound - lowerBound, uniformizationRate, values, linearEquationSolverFactory);
std::vector<ValueType> subResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities(explicitUniformizedMatrix, &explicitB, upperBound - lowerBound, uniformizationRate, values, linearEquationSolverFactory);
// Transform the explicit result to a hybrid check result, so we can easily convert it to
// a symbolic qualitative format.
@ -186,7 +186,7 @@ namespace storm {
uniformizedMatrix = computeUniformizedMatrix(model, rateMatrix, exitRateVector, relevantStates, uniformizationRate);
explicitUniformizedMatrix = uniformizedMatrix.toMatrix(odd, odd);
newSubresult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(explicitUniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
newSubresult = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities<ValueType>(explicitUniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(), !relevantStates && model.getReachableStates(), model.getManager().template getAddZero<ValueType>(), relevantStates, odd, newSubresult));
} else {
@ -206,7 +206,7 @@ namespace storm {
storm::dd::Add<DdType, ValueType> uniformizedMatrix = computeUniformizedMatrix(model, rateMatrix, exitRateVector, statesWithProbabilityGreater0, uniformizationRate);
storm::storage::SparseMatrix<ValueType> explicitUniformizedMatrix = uniformizedMatrix.toMatrix(odd, odd);
newSubresult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(explicitUniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
newSubresult = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities<ValueType>(explicitUniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(), !statesWithProbabilityGreater0 && model.getReachableStates(), model.getManager().template getAddZero<ValueType>(), statesWithProbabilityGreater0, odd, newSubresult));
}
@ -237,7 +237,7 @@ namespace storm {
storm::dd::Add<DdType, ValueType> uniformizedMatrix = computeUniformizedMatrix(model, rateMatrix, exitRateVector, model.getReachableStates(), uniformizationRate);
storm::storage::SparseMatrix<ValueType> explicitUniformizedMatrix = uniformizedMatrix.toMatrix(odd, odd);
result = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(explicitUniformizedMatrix, nullptr, timeBound, uniformizationRate, result, linearEquationSolverFactory);
result = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities<ValueType>(explicitUniformizedMatrix, nullptr, timeBound, uniformizationRate, result, linearEquationSolverFactory);
}
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(), model.getManager().getBddZero(), model.getManager().template getAddZero<ValueType>(), model.getReachableStates(), odd, result));
@ -271,7 +271,7 @@ namespace storm {
std::vector<ValueType> explicitTotalRewardVector = totalRewardVector.toVector(odd);
// Finally, compute the transient probabilities.
std::vector<ValueType> result = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::template computeTransientProbabilities<true>(explicitUniformizedMatrix, nullptr, timeBound, uniformizationRate, explicitTotalRewardVector, linearEquationSolverFactory);
std::vector<ValueType> result = storm::modelchecker::helper::SparseCtmcCslHelper::computeTransientProbabilities<ValueType, true>(explicitUniformizedMatrix, nullptr, timeBound, uniformizationRate, explicitTotalRewardVector, linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(), model.getManager().getBddZero(), model.getManager().template getAddZero<ValueType>(), model.getReachableStates(), std::move(odd), std::move(result)));
}
@ -285,7 +285,7 @@ namespace storm {
storm::storage::SparseMatrix<ValueType> explicitProbabilityMatrix = probabilityMatrix.toMatrix(odd, odd);
std::vector<ValueType> explicitExitRateVector = exitRateVector.toVector(odd);
std::vector<ValueType> result = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeLongRunAverageProbabilities(explicitProbabilityMatrix, psiStates.toVector(odd), &explicitExitRateVector, qualitative, linearEquationSolverFactory);
std::vector<ValueType> result = storm::modelchecker::helper::SparseCtmcCslHelper::computeLongRunAverageProbabilities(explicitProbabilityMatrix, psiStates.toVector(odd), &explicitExitRateVector, qualitative, linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new HybridQuantitativeCheckResult<DdType>(model.getReachableStates(), model.getManager().getBddZero(), model.getManager().template getAddZero<ValueType>(), model.getReachableStates(), std::move(odd), std::move(result)));
}

388
src/modelchecker/csl/helper/SparseCtmcCslHelper.cpp
View File

@ -19,14 +19,15 @@
#include "src/utility/graph.h"
#include "src/utility/numerical.h"
#include "src/exceptions/InvalidOperationException.h"
#include "src/exceptions/InvalidStateException.h"
#include "src/exceptions/InvalidPropertyException.h"
namespace storm {
namespace modelchecker {
namespace helper {
template <typename ValueType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeBoundedUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<ValueType> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeBoundedUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<ValueType> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
uint_fast64_t numberOfStates = rateMatrix.getRowCount();
@ -105,7 +106,7 @@ namespace storm {
storm::storage::SparseMatrix<ValueType> uniformizedMatrix = computeUniformizedMatrix(rateMatrix, relevantStates, uniformizationRate, exitRates);
// Compute the transient probabilities.
subResult = computeTransientProbabilities(uniformizedMatrix, nullptr, lowerBound, uniformizationRate, subResult, linearEquationSolverFactory);
subResult = computeTransientProbabilities<ValueType>(uniformizedMatrix, nullptr, lowerBound, uniformizationRate, subResult, linearEquationSolverFactory);
// Fill in the correct values.
storm::utility::vector::setVectorValues(result, ~relevantStates, storm::utility::zero<ValueType>());
@ -153,7 +154,7 @@ namespace storm {
// Finally, we compute the second set of transient probabilities.
uniformizedMatrix = computeUniformizedMatrix(rateMatrix, relevantStates, uniformizationRate, exitRates);
newSubresult = computeTransientProbabilities(uniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
newSubresult = computeTransientProbabilities<ValueType>(uniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
// Fill in the correct values.
result = std::vector<ValueType>(numberOfStates, storm::utility::zero<ValueType>());
@ -176,7 +177,7 @@ namespace storm {
// Finally, we compute the second set of transient probabilities.
storm::storage::SparseMatrix<ValueType> uniformizedMatrix = computeUniformizedMatrix(rateMatrix, statesWithProbabilityGreater0, uniformizationRate, exitRates);
newSubresult = computeTransientProbabilities(uniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
newSubresult = computeTransientProbabilities<ValueType>(uniformizedMatrix, nullptr, lowerBound, uniformizationRate, newSubresult, linearEquationSolverFactory);
// Fill in the correct values.
result = std::vector<ValueType>(numberOfStates, storm::utility::zero<ValueType>());
@ -190,125 +191,23 @@ namespace storm {
return result;
}
template <typename ValueType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeBoundedUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<ValueType> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Computing bounded until probabilities is unsupported for this value type.");
}
template <typename ValueType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
std::vector<ValueType> SparseCtmcCslHelper::computeUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
return SparseDtmcPrctlHelper<ValueType>::computeUntilProbabilities(computeProbabilityMatrix(rateMatrix, exitRateVector), backwardTransitions, phiStates, psiStates, qualitative, linearEquationSolverFactory);
}
template <typename ValueType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeNextProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
std::vector<ValueType> SparseCtmcCslHelper::computeNextProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
return SparseDtmcPrctlHelper<ValueType>::computeNextProbabilities(computeProbabilityMatrix(rateMatrix, exitRateVector), nextStates, linearEquationSolverFactory);
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> SparseCtmcCslHelper<ValueType>::computeUniformizedMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::BitVector const& maybeStates, ValueType uniformizationRate, std::vector<ValueType> const& exitRates) {
STORM_LOG_DEBUG("Computing uniformized matrix using uniformization rate " << uniformizationRate << ".");
STORM_LOG_DEBUG("Keeping " << maybeStates.getNumberOfSetBits() << " rows.");
// Create the submatrix that only contains the states with a positive probability (including the
// psi states) and reserve space for elements on the diagonal.
storm::storage::SparseMatrix<ValueType> uniformizedMatrix = rateMatrix.getSubmatrix(false, maybeStates, maybeStates, true);
// Now we need to perform the actual uniformization. That is, all entries need to be divided by
// the uniformization rate, and the diagonal needs to be set to the negative exit rate of the
// state plus the self-loop rate and then increased by one.
uint_fast64_t currentRow = 0;
for (auto const& state : maybeStates) {
for (auto& element : uniformizedMatrix.getRow(currentRow)) {
if (element.getColumn() == currentRow) {
element.setValue((element.getValue() - exitRates[state]) / uniformizationRate + storm::utility::one<ValueType>());
} else {
element.setValue(element.getValue() / uniformizationRate);
}
}
++currentRow;
}
return uniformizedMatrix;
}
template <typename ValueType>
template<bool computeCumulativeReward>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeTransientProbabilities(storm::storage::SparseMatrix<ValueType> const& uniformizedMatrix, std::vector<ValueType> const* addVector, ValueType timeBound, ValueType uniformizationRate, std::vector<ValueType> values, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
ValueType lambda = timeBound * uniformizationRate;
// If no time can pass, the current values are the result.
if (storm::utility::isZero(lambda)) {
return values;
}
// Use Fox-Glynn to get the truncation points and the weights.
std::tuple<uint_fast64_t, uint_fast64_t, ValueType, std::vector<ValueType>> foxGlynnResult = storm::utility::numerical::getFoxGlynnCutoff(lambda, 1e-300, 1e+300, storm::settings::getModule<storm::settings::modules::GeneralSettings>().getPrecision() / 8.0);
STORM_LOG_DEBUG("Fox-Glynn cutoff points: left=" << std::get<0>(foxGlynnResult) << ", right=" << std::get<1>(foxGlynnResult));
// Scale the weights so they add up to one.
for (auto& element : std::get<3>(foxGlynnResult)) {
element /= std::get<2>(foxGlynnResult);
}
// If the cumulative reward is to be computed, we need to adjust the weights.
if (computeCumulativeReward) {
ValueType sum = storm::utility::zero<ValueType>();
for (auto& element : std::get<3>(foxGlynnResult)) {
sum += element;
element = (1 - sum) / uniformizationRate;
}
}
STORM_LOG_DEBUG("Starting iterations with " << uniformizedMatrix.getRowCount() << " x " << uniformizedMatrix.getColumnCount() << " matrix.");
// Initialize result.
std::vector<ValueType> result;
uint_fast64_t startingIteration = std::get<0>(foxGlynnResult);
if (startingIteration == 0) {
result = values;
storm::utility::vector::scaleVectorInPlace(result, std::get<3>(foxGlynnResult)[0]);
++startingIteration;
} else {
if (computeCumulativeReward) {
result = std::vector<ValueType>(values.size());
std::function<ValueType (ValueType const&)> scaleWithUniformizationRate = [&uniformizationRate] (ValueType const& a) -> ValueType { return a / uniformizationRate; };
storm::utility::vector::applyPointwise(values, result, scaleWithUniformizationRate);
} else {
result = std::vector<ValueType>(values.size());
}
}
std::vector<ValueType> multiplicationResult(result.size());
std::unique_ptr<storm::solver::LinearEquationSolver<ValueType>> solver = linearEquationSolverFactory.create(std::move(uniformizedMatrix));
if (!computeCumulativeReward && std::get<0>(foxGlynnResult) > 1) {
// Perform the matrix-vector multiplications (without adding).
solver->performMatrixVectorMultiplication(values, addVector, std::get<0>(foxGlynnResult) - 1, &multiplicationResult);
} else if (computeCumulativeReward) {
std::function<ValueType(ValueType const&, ValueType const&)> addAndScale = [&uniformizationRate] (ValueType const& a, ValueType const& b) { return a + b / uniformizationRate; };
// For the iterations below the left truncation point, we need to add and scale the result with the uniformization rate.
for (uint_fast64_t index = 1; index < startingIteration; ++index) {
solver->performMatrixVectorMultiplication(values, nullptr, 1, &multiplicationResult);
storm::utility::vector::applyPointwise(result, values, result, addAndScale);
}
}
// For the indices that fall in between the truncation points, we need to perform the matrix-vector
// multiplication, scale and add the result.
ValueType weight = 0;
std::function<ValueType(ValueType const&, ValueType const&)> addAndScale = [&weight] (ValueType const& a, ValueType const& b) { return a + weight * b; };
for (uint_fast64_t index = startingIteration; index <= std::get<1>(foxGlynnResult); ++index) {
solver->performMatrixVectorMultiplication(values, addVector, 1, &multiplicationResult);
weight = std::get<3>(foxGlynnResult)[index - std::get<0>(foxGlynnResult)];
storm::utility::vector::applyPointwise(result, values, result, addAndScale);
}
return result;
}
template <typename ValueType>
template <typename RewardModelType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeInstantaneousRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
template <typename ValueType, typename RewardModelType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeInstantaneousRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
// Only compute the result if the model has a state-based reward this->getModel().
STORM_LOG_THROW(!rewardModel.empty(), storm::exceptions::InvalidPropertyException, "Missing reward model for formula. Skipping formula.");
@ -327,15 +226,19 @@ namespace storm {
STORM_LOG_THROW(uniformizationRate > 0, storm::exceptions::InvalidStateException, "The uniformization rate must be positive.");
storm::storage::SparseMatrix<ValueType> uniformizedMatrix = computeUniformizedMatrix(rateMatrix, storm::storage::BitVector(numberOfStates, true), uniformizationRate, exitRateVector);
result = computeTransientProbabilities(uniformizedMatrix, nullptr, timeBound, uniformizationRate, result, linearEquationSolverFactory);
result = computeTransientProbabilities<ValueType>(uniformizedMatrix, nullptr, timeBound, uniformizationRate, result, linearEquationSolverFactory);
}
return result;
}
template <typename ValueType>
template <typename RewardModelType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeCumulativeRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
template <typename ValueType, typename RewardModelType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeInstantaneousRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Computing instantaneous rewards is unsupported for this value type.");
}
template <typename ValueType, typename RewardModelType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeCumulativeRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
// Only compute the result if the model has a state-based reward this->getModel().
STORM_LOG_THROW(!rewardModel.empty(), storm::exceptions::InvalidPropertyException, "Missing reward model for formula. Skipping formula.");
@ -362,12 +265,36 @@ namespace storm {
std::vector<ValueType> totalRewardVector = rewardModel.getTotalRewardVector(rateMatrix, exitRateVector);
// Finally, compute the transient probabilities.
return computeTransientProbabilities<true>(uniformizedMatrix, nullptr, timeBound, uniformizationRate, totalRewardVector, linearEquationSolverFactory);
return computeTransientProbabilities<ValueType, true>(uniformizedMatrix, nullptr, timeBound, uniformizationRate, totalRewardVector, linearEquationSolverFactory);
}
template <typename ValueType, typename RewardModelType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeCumulativeRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Computing cumulative rewards is unsupported for this value type.");
}
template <typename ValueType>
template <typename RewardModelType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeReachabilityRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
std::vector<ValueType> SparseCtmcCslHelper::computeReachabilityTimes(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& initialStates, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
// Compute expected time on CTMC by reduction to DTMC with rewards.
storm::storage::SparseMatrix<ValueType> probabilityMatrix = computeProbabilityMatrix(rateMatrix, exitRateVector);
// Initialize rewards.
std::vector<ValueType> totalRewardVector;
for (size_t i = 0; i < exitRateVector.size(); ++i) {
if (targetStates[i] || storm::utility::isZero(exitRateVector[i])) {
// Set reward for target states or states without outgoing transitions to 0.
totalRewardVector.push_back(storm::utility::zero<ValueType>());
} else {
// Reward is (1 / exitRate).
totalRewardVector.push_back(storm::utility::one<ValueType>() / exitRateVector[i]);
}
}
return storm::modelchecker::helper::SparseDtmcPrctlHelper<ValueType>::computeReachabilityRewards(probabilityMatrix, backwardTransitions, totalRewardVector, targetStates, qualitative, linearEquationSolverFactory);
}
template <typename ValueType, typename RewardModelType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeReachabilityRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
STORM_LOG_THROW(!rewardModel.empty(), storm::exceptions::InvalidPropertyException, "Missing reward model for formula. Skipping formula.");
storm::storage::SparseMatrix<ValueType> probabilityMatrix = computeProbabilityMatrix(rateMatrix, exitRateVector);
@ -397,36 +324,13 @@ namespace storm {
return storm::modelchecker::helper::SparseDtmcPrctlHelper<ValueType>::computeReachabilityRewards(probabilityMatrix, backwardTransitions, totalRewardVector, targetStates, qualitative, linearEquationSolverFactory);
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> SparseCtmcCslHelper<ValueType>::computeProbabilityMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRates) {
// Turn the rates into probabilities by scaling each row with the exit rate of the state.
storm::storage::SparseMatrix<ValueType> result(rateMatrix);
for (uint_fast64_t row = 0; row < result.getRowCount(); ++row) {
for (auto& entry : result.getRow(row)) {
entry.setValue(entry.getValue() / exitRates[row]);
}
}
return result;
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> SparseCtmcCslHelper<ValueType>::computeGeneratorMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRates) {
storm::storage::SparseMatrix<ValueType> generatorMatrix(rateMatrix, true);
// Place the negative exit rate on the diagonal.
for (uint_fast64_t row = 0; row < generatorMatrix.getRowCount(); ++row) {
for (auto& entry : generatorMatrix.getRow(row)) {
if (entry.getColumn() == row) {
entry.setValue(-exitRates[row]);
}
}
}
return generatorMatrix;
template <typename ValueType, typename RewardModelType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeReachabilityRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Computing reachability rewards is unsupported for this value type.");
}
template <typename ValueType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<ValueType> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<ValueType> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
std::vector<ValueType> SparseCtmcCslHelper::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<ValueType> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<ValueType> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
// If there are no goal states, we avoid the computation and directly return zero.
uint_fast64_t numberOfStates = probabilityMatrix.getRowCount();
if (psiStates.empty()) {
@ -648,35 +552,181 @@ namespace storm {
return result;
}
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
storm::storage::SparseMatrix<ValueType> SparseCtmcCslHelper::computeUniformizedMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::BitVector const& maybeStates, ValueType uniformizationRate, std::vector<ValueType> const& exitRates) {
STORM_LOG_DEBUG("Computing uniformized matrix using uniformization rate " << uniformizationRate << ".");
STORM_LOG_DEBUG("Keeping " << maybeStates.getNumberOfSetBits() << " rows.");
// Create the submatrix that only contains the states with a positive probability (including the
// psi states) and reserve space for elements on the diagonal.
storm::storage::SparseMatrix<ValueType> uniformizedMatrix = rateMatrix.getSubmatrix(false, maybeStates, maybeStates, true);
// Now we need to perform the actual uniformization. That is, all entries need to be divided by
// the uniformization rate, and the diagonal needs to be set to the negative exit rate of the
// state plus the self-loop rate and then increased by one.
uint_fast64_t currentRow = 0;
for (auto const& state : maybeStates) {
for (auto& element : uniformizedMatrix.getRow(currentRow)) {
if (element.getColumn() == currentRow) {
element.setValue((element.getValue() - exitRates[state]) / uniformizationRate + storm::utility::one<ValueType>());
} else {
element.setValue(element.getValue() / uniformizationRate);
}
}
++currentRow;
}
return uniformizedMatrix;
}
template<typename ValueType, bool useMixedPoissonProbabilities, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseCtmcCslHelper::computeTransientProbabilities(storm::storage::SparseMatrix<ValueType> const& uniformizedMatrix, std::vector<ValueType> const* addVector, ValueType timeBound, ValueType uniformizationRate, std::vector<ValueType> values, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
ValueType lambda = timeBound * uniformizationRate;
// If no time can pass, the current values are the result.
if (storm::utility::isZero(lambda)) {
return values;
}
// Use Fox-Glynn to get the truncation points and the weights.
std::tuple<uint_fast64_t, uint_fast64_t, ValueType, std::vector<ValueType>> foxGlynnResult = storm::utility::numerical::getFoxGlynnCutoff(lambda, 1e-300, 1e+300, storm::settings::getModule<storm::settings::modules::GeneralSettings>().getPrecision() / 8.0);
STORM_LOG_DEBUG("Fox-Glynn cutoff points: left=" << std::get<0>(foxGlynnResult) << ", right=" << std::get<1>(foxGlynnResult));
// Scale the weights so they add up to one.
for (auto& element : std::get<3>(foxGlynnResult)) {
element /= std::get<2>(foxGlynnResult);
}
// If the cumulative reward is to be computed, we need to adjust the weights.
if (useMixedPoissonProbabilities) {
ValueType sum = storm::utility::zero<ValueType>();
for (auto& element : std::get<3>(foxGlynnResult)) {
sum += element;
element = (1 - sum) / uniformizationRate;
}
}
STORM_LOG_DEBUG("Starting iterations with " << uniformizedMatrix.getRowCount() << " x " << uniformizedMatrix.getColumnCount() << " matrix.");
// Initialize result.
std::vector<ValueType> result;
uint_fast64_t startingIteration = std::get<0>(foxGlynnResult);
if (startingIteration == 0) {
result = values;
storm::utility::vector::scaleVectorInPlace(result, std::get<3>(foxGlynnResult)[0]);
++startingIteration;
} else {
if (useMixedPoissonProbabilities) {
result = std::vector<ValueType>(values.size());
std::function<ValueType (ValueType const&)> scaleWithUniformizationRate = [&uniformizationRate] (ValueType const& a) -> ValueType { return a / uniformizationRate; };
storm::utility::vector::applyPointwise(values, result, scaleWithUniformizationRate);
} else {
result = std::vector<ValueType>(values.size());
}
}
std::vector<ValueType> multiplicationResult(result.size());
std::unique_ptr<storm::solver::LinearEquationSolver<ValueType>> solver = linearEquationSolverFactory.create(std::move(uniformizedMatrix));
if (!useMixedPoissonProbabilities && std::get<0>(foxGlynnResult) > 1) {
// Perform the matrix-vector multiplications (without adding).
solver->performMatrixVectorMultiplication(values, addVector, std::get<0>(foxGlynnResult) - 1, &multiplicationResult);
} else if (useMixedPoissonProbabilities) {
std::function<ValueType(ValueType const&, ValueType const&)> addAndScale = [&uniformizationRate] (ValueType const& a, ValueType const& b) { return a + b / uniformizationRate; };
// For the iterations below the left truncation point, we need to add and scale the result with the uniformization rate.
for (uint_fast64_t index = 1; index < startingIteration; ++index) {
solver->performMatrixVectorMultiplication(values, nullptr, 1, &multiplicationResult);
storm::utility::vector::applyPointwise(result, values, result, addAndScale);
}
}
// For the indices that fall in between the truncation points, we need to perform the matrix-vector
// multiplication, scale and add the result.
ValueType weight = 0;
std::function<ValueType(ValueType const&, ValueType const&)> addAndScale = [&weight] (ValueType const& a, ValueType const& b) { return a + weight * b; };
for (uint_fast64_t index = startingIteration; index <= std::get<1>(foxGlynnResult); ++index) {
solver->performMatrixVectorMultiplication(values, addVector, 1, &multiplicationResult);
weight = std::get<3>(foxGlynnResult)[index - std::get<0>(foxGlynnResult)];
storm::utility::vector::applyPointwise(result, values, result, addAndScale);
}
return result;
}
template <typename ValueType>
std::vector<ValueType> SparseCtmcCslHelper<ValueType>::computeReachabilityTimes(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& initialStates, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
// Compute expected time on CTMC by reduction to DTMC with rewards.
storm::storage::SparseMatrix<ValueType> probabilityMatrix = computeProbabilityMatrix(rateMatrix, exitRateVector);
storm::storage::SparseMatrix<ValueType> SparseCtmcCslHelper::computeProbabilityMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRates) {
// Turn the rates into probabilities by scaling each row with the exit rate of the state.
storm::storage::SparseMatrix<ValueType> result(rateMatrix);
for (uint_fast64_t row = 0; row < result.getRowCount(); ++row) {
for (auto& entry : result.getRow(row)) {
entry.setValue(entry.getValue() / exitRates[row]);
}
}
return result;
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> SparseCtmcCslHelper::computeGeneratorMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRates) {
storm::storage::SparseMatrix<ValueType> generatorMatrix(rateMatrix, true);
// Initialize rewards.
std::vector<ValueType> totalRewardVector;
for (size_t i = 0; i < exitRateVector.size(); ++i) {
if (targetStates[i] || storm::utility::isZero(exitRateVector[i])) {
// Set reward for target states or states without outgoing transitions to 0.
totalRewardVector.push_back(storm::utility::zero<ValueType>());
} else {
// Reward is (1 / exitRate).
totalRewardVector.push_back(storm::utility::one<ValueType>() / exitRateVector[i]);
// Place the negative exit rate on the diagonal.
for (uint_fast64_t row = 0; row < generatorMatrix.getRowCount(); ++row) {
for (auto& entry : generatorMatrix.getRow(row)) {
if (entry.getColumn() == row) {
entry.setValue(-exitRates[row]);
}
}
}
return storm::modelchecker::helper::SparseDtmcPrctlHelper<ValueType>::computeReachabilityRewards(probabilityMatrix, backwardTransitions, totalRewardVector, targetStates, qualitative, linearEquationSolverFactory);
return generatorMatrix;
}
template class SparseCtmcCslHelper<double>;
template std::vector<double> SparseCtmcCslHelper<double>::computeInstantaneousRewards(storm::storage::SparseMatrix<double> const& rateMatrix, std::vector<double> const& exitRateVector, storm::models::sparse::StandardRewardModel<double> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper<double>::computeCumulativeRewards(storm::storage::SparseMatrix<double> const& rateMatrix, std::vector<double> const& exitRateVector, storm::models::sparse::StandardRewardModel<double> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper<double>::computeReachabilityRewards(storm::storage::SparseMatrix<double> const& rateMatrix, storm::storage::SparseMatrix<double> const& backwardTransitions, std::vector<double> const& exitRateVector, storm::models::sparse::StandardRewardModel<double> const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeBoundedUntilProbabilities(storm::storage::SparseMatrix<double> const& rateMatrix, storm::storage::SparseMatrix<double> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<double> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeBoundedUntilProbabilities(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalNumber> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<storm::RationalNumber> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeBoundedUntilProbabilities(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalFunction> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<storm::RationalFunction> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeUntilProbabilities(storm::storage::SparseMatrix<double> const& rateMatrix, storm::storage::SparseMatrix<double> const& backwardTransitions, std::vector<double> const& exitRateVector, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeUntilProbabilities(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalNumber> const& backwardTransitions, std::vector<storm::RationalNumber> const& exitRateVector, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeUntilProbabilities(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalFunction> const& backwardTransitions, std::vector<storm::RationalFunction> const& exitRateVector, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeNextProbabilities(storm::storage::SparseMatrix<double> const& rateMatrix, std::vector<double> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeNextProbabilities(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, std::vector<storm::RationalNumber> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeNextProbabilities(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, std::vector<storm::RationalFunction> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeInstantaneousRewards(storm::storage::SparseMatrix<double> const& rateMatrix, std::vector<double> const& exitRateVector, storm::models::sparse::StandardRewardModel<double> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeInstantaneousRewards(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, std::vector<storm::RationalNumber> const& exitRateVector, storm::models::sparse::StandardRewardModel<storm::RationalNumber> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeInstantaneousRewards(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, std::vector<storm::RationalFunction> const& exitRateVector, storm::models::sparse::StandardRewardModel<storm::RationalFunction> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeReachabilityTimes(storm::storage::SparseMatrix<double> const& rateMatrix, storm::storage::SparseMatrix<double> const& backwardTransitions, std::vector<double> const& exitRateVector, storm::storage::BitVector const& initialStates, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeReachabilityTimes(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalNumber> const& backwardTransitions, std::vector<storm::RationalNumber> const& exitRateVector, storm::storage::BitVector const& initialStates, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeReachabilityTimes(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalFunction> const& backwardTransitions, std::vector<storm::RationalFunction> const& exitRateVector, storm::storage::BitVector const& initialStates, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeReachabilityRewards(storm::storage::SparseMatrix<double> const& rateMatrix, storm::storage::SparseMatrix<double> const& backwardTransitions, std::vector<double> const& exitRateVector, storm::models::sparse::StandardRewardModel<double> const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeReachabilityRewards(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalNumber> const& backwardTransitions, std::vector<storm::RationalNumber> const& exitRateVector, storm::models::sparse::StandardRewardModel<storm::RationalNumber> const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeReachabilityRewards(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, storm::storage::SparseMatrix<storm::RationalFunction> const& backwardTransitions, std::vector<storm::RationalFunction> const& exitRateVector, storm::models::sparse::StandardRewardModel<storm::RationalFunction> const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<double> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<double> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<storm::RationalNumber> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<storm::RationalNumber> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<storm::RationalFunction> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<storm::RationalFunction> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeCumulativeRewards(storm::storage::SparseMatrix<double> const& rateMatrix, std::vector<double> const& exitRateVector, storm::models::sparse::StandardRewardModel<double> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper::computeCumulativeRewards(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, std::vector<storm::RationalNumber> const& exitRateVector, storm::models::sparse::StandardRewardModel<storm::RationalNumber> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper::computeCumulativeRewards(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, std::vector<storm::RationalFunction> const& exitRateVector, storm::models::sparse::StandardRewardModel<storm::RationalFunction> const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template storm::storage::SparseMatrix<double> SparseCtmcCslHelper::computeUniformizedMatrix(storm::storage::SparseMatrix<double> const& rateMatrix, storm::storage::BitVector const& maybeStates, double uniformizationRate, std::vector<double> const& exitRates);
template storm::storage::SparseMatrix<double> SparseCtmcCslHelper::computeProbabilityMatrix(storm::storage::SparseMatrix<double> const& rateMatrix, std::vector<double> const& exitRates);
template storm::storage::SparseMatrix<storm::RationalNumber> SparseCtmcCslHelper::computeProbabilityMatrix(storm::storage::SparseMatrix<storm::RationalNumber> const& rateMatrix, std::vector<storm::RationalNumber> const& exitRates);
template storm::storage::SparseMatrix<storm::RationalFunction> SparseCtmcCslHelper::computeProbabilityMatrix(storm::storage::SparseMatrix<storm::RationalFunction> const& rateMatrix, std::vector<storm::RationalFunction> const& exitRates);
template std::vector<storm::RationalNumber> SparseCtmcCslHelper<storm::RationalNumber>::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<storm::RationalNumber> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<storm::RationalNumber> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalNumber> const& linearEquationSolverFactory);
template std::vector<storm::RationalFunction> SparseCtmcCslHelper<storm::RationalFunction>::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<storm::RationalFunction> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<storm::RationalFunction> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<storm::RationalFunction> const& linearEquationSolverFactory);
template std::vector<double> SparseCtmcCslHelper::computeTransientProbabilities(storm::storage::SparseMatrix<double> const& uniformizedMatrix, std::vector<double> const* addVector, double timeBound, double uniformizationRate, std::vector<double> values, storm::solver::LinearEquationSolverFactory<double> const& linearEquationSolverFactory);
}
}
}

37
src/modelchecker/csl/helper/SparseCtmcCslHelper.h
View File

@ -5,29 +5,47 @@
#include "src/solver/LinearEquationSolver.h"
#include "src/utility/NumberTraits.h"
namespace storm {
namespace modelchecker {
namespace helper {
template <typename ValueType>
class SparseCtmcCslHelper {
public:
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeBoundedUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<ValueType> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
static std::vector<ValueType> computeNextProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeBoundedUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, std::vector<ValueType> const& exitRates, bool qualitative, double lowerBound, double upperBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeUntilProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& phiStates, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeNextProbabilities(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& nextStates, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename RewardModelType>
template <typename ValueType, typename RewardModelType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeInstantaneousRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename RewardModelType>
template <typename ValueType, typename RewardModelType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeInstantaneousRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType, typename RewardModelType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeCumulativeRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename RewardModelType>
template <typename ValueType, typename RewardModelType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeCumulativeRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, double timeBound, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType, typename RewardModelType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeReachabilityRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType, typename RewardModelType, typename std::enable_if<!storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeReachabilityRewards(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, RewardModelType const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeLongRunAverageProbabilities(storm::storage::SparseMatrix<ValueType> const& probabilityMatrix, storm::storage::BitVector const& psiStates, std::vector<ValueType> const* exitRateVector, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
template <typename ValueType>
static std::vector<ValueType> computeReachabilityTimes(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, std::vector<ValueType> const& exitRateVector, storm::storage::BitVector const& initialStates, storm::storage::BitVector const& targetStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
/*!
@ -39,6 +57,7 @@ namespace storm {
* @param exitRates The exit rates of all states.
* @return The uniformized matrix.
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static storm::storage::SparseMatrix<ValueType> computeUniformizedMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, storm::storage::BitVector const& maybeStates, ValueType uniformizationRate, std::vector<ValueType> const& exitRates);
/*!
@ -55,7 +74,7 @@ namespace storm {
* poisson probabilities are used.
* @return The vector of transient probabilities.
*/
template<bool useMixedPoissonProbabilities = false>
template<typename ValueType, bool useMixedPoissonProbabilities = false, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type = 0>
static std::vector<ValueType> computeTransientProbabilities(storm::storage::SparseMatrix<ValueType> const& uniformizedMatrix, std::vector<ValueType> const* addVector, ValueType timeBound, ValueType uniformizationRate, std::vector<ValueType> values, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory);
/*!
@ -65,6 +84,7 @@ namespace storm {
* @param exitRates The exit rate vector.
* @return The †ransition matrix of the embedded DTMC.
*/
template <typename ValueType>
static storm::storage::SparseMatrix<ValueType> computeProbabilityMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRates);
/*!
@ -74,6 +94,7 @@ namespace storm {
* @param exitRates The exit rate vector.
* @return The generator matrix.
*/
template <typename ValueType>
static storm::storage::SparseMatrix<ValueType> computeGeneratorMatrix(storm::storage::SparseMatrix<ValueType> const& rateMatrix, std::vector<ValueType> const& exitRates);
};
}

2
src/modelchecker/prctl/SparseDtmcPrctlModelChecker.cpp
View File

@ -111,7 +111,7 @@ namespace storm {
storm::logic::StateFormula const& stateFormula = checkTask.getFormula();
std::unique_ptr<CheckResult> subResultPointer = this->check(stateFormula);
ExplicitQualitativeCheckResult const& subResult = subResultPointer->asExplicitQualitativeCheckResult();
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper<ValueType>::computeLongRunAverageProbabilities(this->getModel().getTransitionMatrix(), subResult.getTruthValuesVector(), nullptr, checkTask.isQualitativeSet(), *linearEquationSolverFactory);
std::vector<ValueType> numericResult = storm::modelchecker::helper::SparseCtmcCslHelper::computeLongRunAverageProbabilities<ValueType>(this->getModel().getTransitionMatrix(), subResult.getTruthValuesVector(), nullptr, checkTask.isQualitativeSet(), *linearEquationSolverFactory);
return std::unique_ptr<CheckResult>(new ExplicitQuantitativeCheckResult<ValueType>(std::move(numericResult)));
}

2
src/modelchecker/prctl/helper/SparseDtmcPrctlHelper.cpp
View File

@ -225,7 +225,7 @@ namespace storm {
template<typename ValueType, typename RewardModelType>
std::vector<ValueType> SparseDtmcPrctlHelper<ValueType, RewardModelType>::computeLongRunAverageProbabilities(storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::BitVector const& psiStates, bool qualitative, storm::solver::LinearEquationSolverFactory<ValueType> const& linearEquationSolverFactory) {
return SparseCtmcCslHelper<ValueType>::computeLongRunAverageProbabilities(transitionMatrix, psiStates, nullptr, qualitative, linearEquationSolverFactory);
return SparseCtmcCslHelper::computeLongRunAverageProbabilities<ValueType>(transitionMatrix, psiStates, nullptr, qualitative, linearEquationSolverFactory);
}
template<typename ValueType, typename RewardModelType>

Write Preview
Loading…
Cancel
Save