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eliminate reward accumulations on jani level

main
TimQu 7 years ago
parent
6cc0369a1c
commit
8050f8fc67
5 changed files with 49 additions and 95 deletions
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  1. 41
      src/storm-cli-utilities/model-handling.h
  2. 88
      src/storm/logic/RewardAccumulationEliminationVisitor.cpp
  3. 12
      src/storm/logic/RewardAccumulationEliminationVisitor.h
  4. 1
      src/storm/logic/TimeBoundType.h
  5. 2
      src/storm/storage/jani/EdgeContainer.h

41
src/storm-cli-utilities/model-handling.h
View File

@ -23,7 +23,6 @@
#include "storm/models/ModelBase.h"
#include "storm/exceptions/OptionParserException.h"
#include "storm/exceptions/UnexpectedException.h"
#include "storm/modelchecker/results/SymbolicQualitativeCheckResult.h"
@ -126,6 +125,10 @@ namespace storm {
}
if (!output.properties.empty()) {
output.properties = storm::api::substituteConstantsInProperties(output.properties, constantDefinitions);
if (output.model.is_initialized() && output.model->isJaniModel()) {
storm::logic::RewardAccumulationEliminationVisitor v(output.model->asJaniModel());
v.eliminateRewardAccumulations(output.properties);
}
}
// Check whether conversion for PRISM to JANI is requested or necessary.
@ -384,7 +387,6 @@ namespace storm {
std::pair<std::shared_ptr<storm::models::ModelBase>, bool> result = std::make_pair(model, false);
if (model->isSparseModel()) {
STORM_LOG_THROW((std::is_same<BuildValueType, ExportValueType>::value), storm::exceptions::UnexpectedException, "Build-Value Type and ExportValueType should be the same in the sparse engine.");
result = preprocessSparseModel<BuildValueType>(result.first->as<storm::models::sparse::Model<BuildValueType>>(), input);
} else {
STORM_LOG_ASSERT(model->isSymbolicModel(), "Unexpected model type.");
@ -399,29 +401,6 @@ namespace storm {
return result;
}
template <typename ModelType>
storm::jani::Property preprocessProperty(std::shared_ptr<ModelType> const& model, storm::jani::Property const& property) {
storm::logic::RewardAccumulationEliminationVisitor<typename ModelType::RewardModelType> v(model->getRewardModels(), model->getType());
auto formula = v.eliminateRewardAccumulations(*property.getFilter().getFormula());
auto states = v.eliminateRewardAccumulations(*property.getFilter().getStatesFormula());
storm::jani::FilterExpression fe(formula, property.getFilter().getFilterType(), states);
return storm::jani::Property(property.getName(), fe, property.getComment());
}
template <storm::dd::DdType DdType, typename ValueType>
std::vector<storm::jani::Property> preprocessProperties(std::shared_ptr<storm::models::ModelBase> const& model, SymbolicInput const& input) {
std::vector<storm::jani::Property> resultProperties;
for (auto const& property : input.properties) {
if (model->isSparseModel()) {
resultProperties.push_back(preprocessProperty(model->as<storm::models::sparse::Model<ValueType>>(), property));
} else {
STORM_LOG_ASSERT(model->isSymbolicModel(), "Unexpected model type.");
resultProperties.push_back(preprocessProperty(model->as<storm::models::symbolic::Model<DdType, ValueType>>(), property));
}
}
return resultProperties;
}
void printComputingCounterexample(storm::jani::Property const& property) {
STORM_PRINT("Computing counterexample for property " << *property.getRawFormula() << " ..." << std::endl);
}
@ -696,7 +675,7 @@ namespace storm {
}
template <storm::dd::DdType DdType, typename BuildValueType, typename VerificationValueType = BuildValueType>
std::shared_ptr<storm::models::ModelBase> buildPreprocessExportModelWithValueTypeAndDdlib(SymbolicInput& input, storm::settings::modules::CoreSettings::Engine engine) {
std::shared_ptr<storm::models::ModelBase> buildPreprocessExportModelWithValueTypeAndDdlib(SymbolicInput const& input, storm::settings::modules::CoreSettings::Engine engine) {
auto ioSettings = storm::settings::getModule<storm::settings::modules::IOSettings>();
auto buildSettings = storm::settings::getModule<storm::settings::modules::BuildSettings>();
std::shared_ptr<storm::models::ModelBase> model;
@ -716,9 +695,6 @@ namespace storm {
model = preprocessingResult.first;
model->printModelInformationToStream(std::cout);
}
if (!input.properties.empty()) {
input.properties = preprocessProperties<DdType, VerificationValueType>(model, input);
}
exportModel<DdType, BuildValueType>(model, input);
}
return model;
@ -737,16 +713,15 @@ namespace storm {
} else if (engine == storm::settings::modules::CoreSettings::Engine::Exploration) {
verifyWithExplorationEngine<VerificationValueType>(input);
} else {
SymbolicInput preprocessedInput = input;
std::shared_ptr<storm::models::ModelBase> model = buildPreprocessExportModelWithValueTypeAndDdlib<DdType, BuildValueType, VerificationValueType>(preprocessedInput, engine);
std::shared_ptr<storm::models::ModelBase> model = buildPreprocessExportModelWithValueTypeAndDdlib<DdType, BuildValueType, VerificationValueType>(input, engine);
if (model) {
if (coreSettings.isCounterexampleSet()) {
auto ioSettings = storm::settings::getModule<storm::settings::modules::IOSettings>();
generateCounterexamples<VerificationValueType>(model, preprocessedInput);
generateCounterexamples<VerificationValueType>(model, input);
} else {
auto ioSettings = storm::settings::getModule<storm::settings::modules::IOSettings>();
verifyModel<DdType, VerificationValueType>(model, preprocessedInput, coreSettings);
verifyModel<DdType, VerificationValueType>(model, input, coreSettings);
}
}
}

88
src/storm/logic/RewardAccumulationEliminationVisitor.cpp
View File

@ -1,39 +1,35 @@
#include "storm/logic/RewardAccumulationEliminationVisitor.h"
#include "storm/logic/Formulas.h"
#include "storm/storage/jani/Model.h"
#include "storm/storage/jani/traverser/AssignmentsFinder.h"
#include "storm/utility/macros.h"
#include "storm/exceptions/UnexpectedException.h"
#include "storm/exceptions/InvalidPropertyException.h"
#include "storm/storage/dd/DdManager.h"
#include "storm/storage/dd/Add.h"
#include "storm/storage/dd/Bdd.h"
#include "storm/models/sparse/StandardRewardModel.h"
#include "storm/models/symbolic/StandardRewardModel.h"
namespace storm {
namespace logic {
template <class RewardModelType>
RewardAccumulationEliminationVisitor<RewardModelType>::RewardAccumulationEliminationVisitor(std::unordered_map<std::string, RewardModelType> const& rewardModels, storm::models::ModelType const& modelType) : rewardModels(rewardModels) {
if (modelType == storm::models::ModelType::Dtmc || modelType == storm::models::ModelType::Mdp || modelType == storm::models::ModelType::S2pg) {
isDiscreteTimeModel = true;
} else if (modelType == storm::models::ModelType::Ctmc || modelType == storm::models::ModelType::MarkovAutomaton) {
isDiscreteTimeModel = false;
} else {
STORM_LOG_THROW(false, storm::exceptions::UnexpectedException, "Unhandled model type " << modelType << ".");
}
RewardAccumulationEliminationVisitor::RewardAccumulationEliminationVisitor(storm::jani::Model const& model) : model(model) {
// Intentionally left empty
}
template <class RewardModelType>
std::shared_ptr<Formula> RewardAccumulationEliminationVisitor<RewardModelType>::eliminateRewardAccumulations(Formula const& f) const {
std::shared_ptr<Formula> RewardAccumulationEliminationVisitor::eliminateRewardAccumulations(Formula const& f) const {
boost::any result = f.accept(*this, boost::any());
return boost::any_cast<std::shared_ptr<Formula>>(result);
}
template <class RewardModelType>
boost::any RewardAccumulationEliminationVisitor<RewardModelType>::visit(BoundedUntilFormula const& f, boost::any const& data) const {
void RewardAccumulationEliminationVisitor::eliminateRewardAccumulations(std::vector<storm::jani::Property>& properties) const {
for (auto& p : properties) {
auto formula = eliminateRewardAccumulations(*p.getFilter().getFormula());
auto states = eliminateRewardAccumulations(*p.getFilter().getStatesFormula());
storm::jani::FilterExpression fe(formula, p.getFilter().getFilterType(), states);
p = storm::jani::Property(p.getName(), storm::jani::FilterExpression(formula, p.getFilter().getFilterType(), states), p.getComment());
}
}
boost::any RewardAccumulationEliminationVisitor::visit(BoundedUntilFormula const& f, boost::any const& data) const {
std::vector<boost::optional<TimeBound>> lowerBounds, upperBounds;
std::vector<TimeBoundReference> timeBoundReferences;
for (uint64_t i = 0; i < f.getDimension(); ++i) {
@ -68,8 +64,7 @@ namespace storm {
}
}
template <class RewardModelType>
boost::any RewardAccumulationEliminationVisitor<RewardModelType>::visit(CumulativeRewardFormula const& f, boost::any const& data) const {
boost::any RewardAccumulationEliminationVisitor::visit(CumulativeRewardFormula const& f, boost::any const& data) const {
boost::optional<storm::logic::RewardAccumulation> rewAcc;
STORM_LOG_THROW(!data.empty(), storm::exceptions::UnexpectedException, "Formula " << f << " does not seem to be a subformula of a reward operator.");
auto rewName = boost::any_cast<boost::optional<std::string>>(data);
@ -91,14 +86,13 @@ namespace storm {
return std::static_pointer_cast<Formula>(std::make_shared<CumulativeRewardFormula>(bounds, timeBoundReferences, rewAcc));
}
template <class RewardModelType>
boost::any RewardAccumulationEliminationVisitor<RewardModelType>::visit(EventuallyFormula const& f, boost::any const& data) const {
boost::any RewardAccumulationEliminationVisitor::visit(EventuallyFormula const& f, boost::any const& data) const {
std::shared_ptr<Formula> subformula = boost::any_cast<std::shared_ptr<Formula>>(f.getSubformula().accept(*this, data));
if (f.hasRewardAccumulation()) {
if (f.isTimePathFormula()) {
if (isDiscreteTimeModel && ((!f.getRewardAccumulation().isExitSet() && !f.getRewardAccumulation().isStepsSet()) || (f.getRewardAccumulation().isStepsSet() && f.getRewardAccumulation().isExitSet()))) {
if (model.isDiscreteTimeModel() && ((!f.getRewardAccumulation().isExitSet() && !f.getRewardAccumulation().isStepsSet()) || (f.getRewardAccumulation().isStepsSet() && f.getRewardAccumulation().isExitSet()))) {
return std::static_pointer_cast<Formula>(std::make_shared<EventuallyFormula>(subformula, f.getContext(), f.getRewardAccumulation()));
} else if (!isDiscreteTimeModel && (!f.getRewardAccumulation().isTimeSet() || f.getRewardAccumulation().isExitSet() || f.getRewardAccumulation().isStepsSet())) {
} else if (!model.isDiscreteTimeModel() && (!f.getRewardAccumulation().isTimeSet() || f.getRewardAccumulation().isExitSet() || f.getRewardAccumulation().isStepsSet())) {
return std::static_pointer_cast<Formula>(std::make_shared<EventuallyFormula>(subformula, f.getContext(), f.getRewardAccumulation()));
}
} else if (f.isRewardPathFormula()) {
@ -112,14 +106,12 @@ namespace storm {
return std::static_pointer_cast<Formula>(std::make_shared<EventuallyFormula>(subformula, f.getContext()));
}
template <class RewardModelType>
boost::any RewardAccumulationEliminationVisitor<RewardModelType>::visit(RewardOperatorFormula const& f, boost::any const& data) const {
boost::any RewardAccumulationEliminationVisitor::visit(RewardOperatorFormula const& f, boost::any const& data) const {
std::shared_ptr<Formula> subformula = boost::any_cast<std::shared_ptr<Formula>>(f.getSubformula().accept(*this, f.getOptionalRewardModelName()));
return std::static_pointer_cast<Formula>(std::make_shared<RewardOperatorFormula>(subformula, f.getOptionalRewardModelName(), f.getOperatorInformation()));
}
template <class RewardModelType>
boost::any RewardAccumulationEliminationVisitor<RewardModelType>::visit(TotalRewardFormula const& f, boost::any const& data) const {
boost::any RewardAccumulationEliminationVisitor::visit(TotalRewardFormula const& f, boost::any const& data) const {
STORM_LOG_THROW(!data.empty(), storm::exceptions::UnexpectedException, "Formula " << f << " does not seem to be a subformula of a reward operator.");
auto rewName = boost::any_cast<boost::optional<std::string>>(data);
if (f.hasRewardAccumulation() || canEliminate(f.getRewardAccumulation(), rewName)) {
@ -129,23 +121,22 @@ namespace storm {
}
}
template <class RewardModelType>
bool RewardAccumulationEliminationVisitor<RewardModelType>::canEliminate(storm::logic::RewardAccumulation const& accumulation, boost::optional<std::string> rewardModelName) const {
auto rewModelIt = rewardModels.end();
if (rewardModelName.is_initialized()){
rewModelIt = rewardModels.find(rewardModelName.get());
STORM_LOG_THROW(rewModelIt != rewardModels.end(), storm::exceptions::InvalidPropertyException, "Unable to find reward model with name " << rewardModelName.get());
} else if (rewardModels.size() == 1) {
rewModelIt = rewardModels.begin();
} else {
STORM_LOG_THROW(false, storm::exceptions::InvalidPropertyException, "Multiple reward models were defined but no reward model name was given for at least one property.");
bool RewardAccumulationEliminationVisitor::canEliminate(storm::logic::RewardAccumulation const& accumulation, boost::optional<std::string> rewardModelName) const {
STORM_LOG_THROW(rewardModelName.is_initialized(), storm::exceptions::InvalidPropertyException, "Unable to find transient variable with for unique reward model.");
storm::jani::AssignmentsFinder::ResultType assignmentKinds;
STORM_LOG_THROW(model.hasGlobalVariable(rewardModelName.get()), storm::exceptions::InvalidPropertyException, "Unable to find transient variable with name " << rewardModelName.get() << ".");
storm::jani::Variable const& transientVar = model.getGlobalVariable(rewardModelName.get());
if (transientVar.getInitExpression().containsVariables() || !storm::utility::isZero(transientVar.getInitExpression().evaluateAsRational())) {
assignmentKinds.hasLocationAssignment = true;
assignmentKinds.hasEdgeAssignment = true;
assignmentKinds.hasEdgeDestinationAssignment = true;
}
RewardModelType const& rewardModel = rewModelIt->second;
if ((rewardModel.hasStateActionRewards() || rewardModel.hasTransitionRewards()) && !accumulation.isStepsSet()) {
assignmentKinds = storm::jani::AssignmentsFinder().find(model, transientVar);
if ((assignmentKinds.hasEdgeAssignment || assignmentKinds.hasEdgeDestinationAssignment) && !accumulation.isStepsSet()) {
return false;
}
if (rewardModel.hasStateRewards()) {
if (isDiscreteTimeModel) {
if (assignmentKinds.hasLocationAssignment) {
if (model.isDiscreteTimeModel()) {
if (!accumulation.isExitSet()) {
return false;
}
@ -158,16 +149,5 @@ namespace storm {
}
return true;
}
template class RewardAccumulationEliminationVisitor<storm::models::sparse::StandardRewardModel<double>>;
template class RewardAccumulationEliminationVisitor<storm::models::sparse::StandardRewardModel<storm::RationalNumber>>;
template class RewardAccumulationEliminationVisitor<storm::models::sparse::StandardRewardModel<storm::RationalFunction>>;
template class RewardAccumulationEliminationVisitor<storm::models::sparse::StandardRewardModel<storm::Interval>>;
template class RewardAccumulationEliminationVisitor<storm::models::symbolic::StandardRewardModel<storm::dd::DdType::CUDD, double>>;
template class RewardAccumulationEliminationVisitor<storm::models::symbolic::StandardRewardModel<storm::dd::DdType::Sylvan, double>>;
template class RewardAccumulationEliminationVisitor<storm::models::symbolic::StandardRewardModel<storm::dd::DdType::Sylvan, storm::RationalNumber>>;
template class RewardAccumulationEliminationVisitor<storm::models::symbolic::StandardRewardModel<storm::dd::DdType::Sylvan, storm::RationalFunction>>;
}
}

12
src/storm/logic/RewardAccumulationEliminationVisitor.h
View File

@ -5,22 +5,23 @@
#include "storm/logic/CloneVisitor.h"
#include "storm/logic/RewardAccumulation.h"
#include "storm/models/ModelType.h"
#include "storm/storage/jani/Model.h"
#include "storm/storage/jani/Property.h"
namespace storm {
namespace logic {
template <class RewardModelType>
class RewardAccumulationEliminationVisitor : public CloneVisitor {
public:
RewardAccumulationEliminationVisitor(std::unordered_map<std::string, RewardModelType> const& rewardModels, storm::models::ModelType const& modelType);
RewardAccumulationEliminationVisitor(storm::jani::Model const& model);
/*!
* Eliminates any reward accumulations of the formula, where the presence of the reward accumulation does not change the result of the formula
*/
std::shared_ptr<Formula> eliminateRewardAccumulations(Formula const& f) const;
void eliminateRewardAccumulations(std::vector<storm::jani::Property>& properties) const;
virtual boost::any visit(BoundedUntilFormula const& f, boost::any const& data) const override;
virtual boost::any visit(CumulativeRewardFormula const& f, boost::any const& data) const override;
virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
@ -31,8 +32,7 @@ namespace storm {
private:
bool canEliminate(storm::logic::RewardAccumulation const& accumulation, boost::optional<std::string> rewardModelName) const;
std::unordered_map<std::string, RewardModelType> const& rewardModels;
bool isDiscreteTimeModel;
storm::jani::Model const& model;
};
}

1
src/storm/logic/TimeBoundType.h
View File

@ -51,7 +51,6 @@ namespace storm {
}
bool hasRewardAccumulation() const {
assert(isRewardBound());
return rewardAccumulation.is_initialized();
}

2
src/storm/storage/jani/EdgeContainer.h
View File

@ -95,7 +95,7 @@ namespace storm {
void clearConcreteEdges();
std::vector<Edge> const& getConcreteEdges() const;
std::vector<Edge> & getConcreteEdges();
TemplateEdgeContainer const& getTemplateEdges const;
TemplateEdgeContainer const& getTemplateEdges() const;
size_t size() const;

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