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396 lines
23 KiB
396 lines
23 KiB
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#ifndef STORM_H
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#define STORM_H
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <cstdio>
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#include <sstream>
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#include <memory>
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#include <src/storage/ModelFormulasPair.h>
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#include "initialize.h"
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#include "storm-config.h"
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// Headers that provide auxiliary functionality.
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#include "src/settings/SettingsManager.h"
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#include "src/settings/modules/BisimulationSettings.h"
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#include "src/settings/modules/ParametricSettings.h"
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// Formula headers.
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#include "src/logic/Formulas.h"
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// Model headers.
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#include "src/models/ModelBase.h"
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#include "src/models/sparse/Model.h"
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#include "src/models/sparse/StandardRewardModel.h"
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#include "src/models/sparse/MarkovAutomaton.h"
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#include "src/models/symbolic/Model.h"
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#include "src/models/symbolic/StandardRewardModel.h"
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#include "src/storage/dd/Add.h"
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#include "src/storage/dd/Bdd.h"
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#include "src/parser/AutoParser.h"
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// Headers of builders.
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#include "src/builder/ExplicitPrismModelBuilder.h"
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#include "src/builder/DdPrismModelBuilder.h"
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// Headers for model processing.
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#include "src/storage/bisimulation/DeterministicModelBisimulationDecomposition.h"
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#include "src/storage/bisimulation/NondeterministicModelBisimulationDecomposition.h"
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#include "src/storage/ModelFormulasPair.h"
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// Headers for model checking.
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#include "src/modelchecker/prctl/SparseDtmcPrctlModelChecker.h"
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#include "src/modelchecker/prctl/SparseMdpPrctlModelChecker.h"
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#include "src/modelchecker/prctl/HybridDtmcPrctlModelChecker.h"
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#include "src/modelchecker/prctl/HybridMdpPrctlModelChecker.h"
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#include "src/modelchecker/prctl/SymbolicDtmcPrctlModelChecker.h"
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#include "src/modelchecker/prctl/SymbolicMdpPrctlModelChecker.h"
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#include "src/modelchecker/reachability/SparseDtmcEliminationModelChecker.h"
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#include "src/modelchecker/csl/SparseCtmcCslModelChecker.h"
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#include "src/modelchecker/csl/HybridCtmcCslModelChecker.h"
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#include "src/modelchecker/results/ExplicitQualitativeCheckResult.h"
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#include "src/modelchecker/results/SymbolicQualitativeCheckResult.h"
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// Headers for counterexample generation.
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#include "src/counterexamples/MILPMinimalLabelSetGenerator.h"
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#include "src/counterexamples/SMTMinimalCommandSetGenerator.h"
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// Headers related to exception handling.
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#include "src/exceptions/InvalidStateException.h"
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#include "src/exceptions/InvalidArgumentException.h"
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#include "src/exceptions/InvalidSettingsException.h"
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#include "src/exceptions/InvalidTypeException.h"
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#include "src/exceptions/NotImplementedException.h"
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namespace storm {
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template<typename ValueType>
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std::shared_ptr<storm::models::sparse::Model<ValueType>> buildExplicitModel(std::string const& transitionsFile, std::string const& labelingFile, boost::optional<std::string> const& stateRewardsFile = boost::optional<std::string>(), boost::optional<std::string> const& transitionRewardsFile = boost::optional<std::string>(), boost::optional<std::string> const& choiceLabelingFile = boost::optional<std::string>()) {
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return storm::parser::AutoParser<>::parseModel(transitionsFile, labelingFile, stateRewardsFile ? stateRewardsFile.get() : "", transitionRewardsFile ? transitionRewardsFile.get() : "", choiceLabelingFile ? choiceLabelingFile.get() : "" );
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}
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storm::prism::Program parseProgram(std::string const& path);
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std::vector<std::shared_ptr<storm::logic::Formula>> parseFormulasForExplicit(std::string const& inputString);
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std::vector<std::shared_ptr<storm::logic::Formula>> parseFormulasForProgram(std::string const& inputString, storm::prism::Program const& program);
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template<typename ValueType, storm::dd::DdType LibraryType = storm::dd::DdType::CUDD>
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storm::storage::ModelFormulasPair buildSymbolicModel(storm::prism::Program const& program, std::vector<std::shared_ptr<storm::logic::Formula>> const& formulas) {
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storm::storage::ModelFormulasPair result;
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storm::prism::Program translatedProgram;
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storm::settings::modules::GeneralSettings settings = storm::settings::generalSettings();
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// Get the string that assigns values to the unknown currently undefined constants in the model.
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std::string constants = settings.getConstantDefinitionString();
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// Customize and perform model-building.
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if (settings.getEngine() == storm::settings::modules::GeneralSettings::Engine::Sparse) {
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typename storm::builder::ExplicitPrismModelBuilder<ValueType, storm::models::sparse::StandardRewardModel<ValueType>>::Options options;
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options = typename storm::builder::ExplicitPrismModelBuilder<ValueType, storm::models::sparse::StandardRewardModel<ValueType>>::Options(formulas);
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options.addConstantDefinitionsFromString(program, constants);
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// Generate command labels if we are going to build a counterexample later.
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if (storm::settings::counterexampleGeneratorSettings().isMinimalCommandSetGenerationSet()) {
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options.buildCommandLabels = true;
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}
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storm::builder::ExplicitPrismModelBuilder<ValueType> builder;
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result.model = builder.translateProgram(program, options);
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translatedProgram = builder.getTranslatedProgram();
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} else if (settings.getEngine() == storm::settings::modules::GeneralSettings::Engine::Dd || settings.getEngine() == storm::settings::modules::GeneralSettings::Engine::Hybrid) {
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typename storm::builder::DdPrismModelBuilder<LibraryType>::Options options;
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options = typename storm::builder::DdPrismModelBuilder<LibraryType>::Options(formulas);
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options.addConstantDefinitionsFromString(program, constants);
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storm::builder::DdPrismModelBuilder<LibraryType> builder;
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result.model = builder.translateProgram(program, options);
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translatedProgram = builder.getTranslatedProgram();
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}
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// There may be constants of the model appearing in the formulas, so we replace all their occurrences
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// by their definitions in the translated program.
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// Start by building a mapping from constants of the (translated) model to their defining expressions.
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std::map<storm::expressions::Variable, storm::expressions::Expression> constantSubstitution;
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for (auto const& constant : translatedProgram.getConstants()) {
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if (constant.isDefined()) {
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constantSubstitution.emplace(constant.getExpressionVariable(), constant.getExpression());
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}
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}
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for (auto const& formula : formulas) {
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result.formulas.emplace_back(formula->substitute(constantSubstitution));
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}
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return result;
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}
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template<typename ModelType>
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std::shared_ptr<ModelType> performDeterministicSparseBisimulationMinimization(std::shared_ptr<ModelType> model, std::vector<std::shared_ptr<storm::logic::Formula>> const& formulas, storm::storage::BisimulationType type) {
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std::cout << "Performing bisimulation minimization... ";
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typename storm::storage::DeterministicModelBisimulationDecomposition<ModelType>::Options options;
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if (!formulas.empty()) {
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options = typename storm::storage::DeterministicModelBisimulationDecomposition<ModelType>::Options(*model, formulas);
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}
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options.setType(type);
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storm::storage::DeterministicModelBisimulationDecomposition<ModelType> bisimulationDecomposition(*model, options);
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bisimulationDecomposition.computeBisimulationDecomposition();
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model = bisimulationDecomposition.getQuotient();
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std::cout << "done." << std::endl << std::endl;
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return model;
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}
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template<typename ModelType>
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std::shared_ptr<ModelType> performNondeterministicSparseBisimulationMinimization(std::shared_ptr<ModelType> model, std::vector<std::shared_ptr<storm::logic::Formula>> const& formulas, storm::storage::BisimulationType type) {
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std::cout << "Performing bisimulation minimization... ";
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typename storm::storage::DeterministicModelBisimulationDecomposition<ModelType>::Options options;
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if (!formulas.empty()) {
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options = typename storm::storage::NondeterministicModelBisimulationDecomposition<ModelType>::Options(*model, formulas);
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}
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options.setType(type);
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storm::storage::NondeterministicModelBisimulationDecomposition<ModelType> bisimulationDecomposition(*model, options);
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bisimulationDecomposition.computeBisimulationDecomposition();
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model = bisimulationDecomposition.getQuotient();
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std::cout << "done." << std::endl << std::endl;
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return model;
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}
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template<typename ModelType>
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std::shared_ptr<storm::models::sparse::Model<typename ModelType::ValueType>> performBisimulationMinimization(std::shared_ptr<storm::models::sparse::Model<typename ModelType::ValueType>> model, std::vector<std::shared_ptr<storm::logic::Formula>> const& formulas, storm::storage::BisimulationType type) {
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using ValueType = typename ModelType::ValueType;
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STORM_LOG_THROW(model->isOfType(storm::models::ModelType::Dtmc) || model->isOfType(storm::models::ModelType::Ctmc) || model->isOfType(storm::models::ModelType::Mdp), storm::exceptions::InvalidSettingsException, "Bisimulation minimization is currently only available for DTMCs, CTMCs and MDPs.");
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model->reduceToStateBasedRewards();
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if (model->isOfType(storm::models::ModelType::Dtmc)) {
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return performDeterministicSparseBisimulationMinimization<storm::models::sparse::Dtmc<ValueType>>(model->template as<storm::models::sparse::Dtmc<ValueType>>(), formulas, type);
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} else if (model->isOfType(storm::models::ModelType::Ctmc)) {
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return performDeterministicSparseBisimulationMinimization<storm::models::sparse::Ctmc<ValueType>>(model->template as<storm::models::sparse::Ctmc<ValueType>>(), formulas, type);
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} else {
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return performNondeterministicSparseBisimulationMinimization<storm::models::sparse::Mdp<ValueType>>(model->template as<storm::models::sparse::Mdp<ValueType>>(), formulas, type);
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}
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}
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template<typename ModelType>
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std::shared_ptr<storm::models::sparse::Model<typename ModelType::ValueType>> performBisimulationMinimization(std::shared_ptr<storm::models::sparse::Model<typename ModelType::ValueType>> model, std::shared_ptr<storm::logic::Formula> const& formula, storm::storage::BisimulationType type) {
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return performBisimulationMinimization(model, {formula}, type);
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}
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template<typename ModelType>
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std::shared_ptr<storm::models::ModelBase> preprocessModel(std::shared_ptr<storm::models::ModelBase> model, std::vector<std::shared_ptr<storm::logic::Formula>> const& formulas) {
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if (model->isSparseModel() && storm::settings::generalSettings().isBisimulationSet()) {
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storm::storage::BisimulationType bisimType = storm::storage::BisimulationType::Strong;
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if (storm::settings::bisimulationSettings().isWeakBisimulationSet()) {
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bisimType = storm::storage::BisimulationType::Weak;
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}
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STORM_LOG_THROW(model->isSparseModel(), storm::exceptions::InvalidSettingsException, "Bisimulation minimization is currently only available for sparse models.");
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return performBisimulationMinimization<ModelType>(model->template as<storm::models::sparse::Model<typename ModelType::ValueType>>(), formulas, bisimType);
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}
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return model;
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}
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template<typename ValueType>
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void generateCounterexample(storm::prism::Program const& program, std::shared_ptr<storm::models::sparse::Model<ValueType>> model, std::shared_ptr<storm::logic::Formula> const& formula) {
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if (storm::settings::counterexampleGeneratorSettings().isMinimalCommandSetGenerationSet()) {
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STORM_LOG_THROW(model->getType() == storm::models::ModelType::Mdp, storm::exceptions::InvalidTypeException, "Minimal command set generation is only available for MDPs.");
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STORM_LOG_THROW(storm::settings::generalSettings().isSymbolicSet(), storm::exceptions::InvalidSettingsException, "Minimal command set generation is only available for symbolic models.");
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std::shared_ptr<storm::models::sparse::Mdp<ValueType>> mdp = model->template as<storm::models::sparse::Mdp<ValueType>>();
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// Determine whether we are required to use the MILP-version or the SAT-version.
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bool useMILP = storm::settings::counterexampleGeneratorSettings().isUseMilpBasedMinimalCommandSetGenerationSet();
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if (useMILP) {
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storm::counterexamples::MILPMinimalLabelSetGenerator<ValueType>::computeCounterexample(program, *mdp, formula);
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} else {
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storm::counterexamples::SMTMinimalCommandSetGenerator<ValueType>::computeCounterexample(program, storm::settings::generalSettings().getConstantDefinitionString(), *mdp, formula);
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}
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} else {
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STORM_LOG_THROW(false, storm::exceptions::InvalidSettingsException, "No suitable counterexample representation selected.");
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}
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}
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#ifdef STORM_HAVE_CARL
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template<>
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inline void generateCounterexample(storm::prism::Program const& program, std::shared_ptr<storm::models::sparse::Model<storm::RationalFunction>> model, std::shared_ptr<storm::logic::Formula> const& formula) {
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STORM_LOG_THROW(false, storm::exceptions::InvalidSettingsException, "Unable to generate counterexample for parametric model.");
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}
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#endif
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template<typename ValueType, storm::dd::DdType DdType>
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std::unique_ptr<storm::modelchecker::CheckResult> verifyModel(std::shared_ptr<storm::models::ModelBase> model, std::shared_ptr<storm::logic::Formula> const& formula) {
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storm::settings::modules::GeneralSettings const& settings = storm::settings::generalSettings();
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switch(settings.getEngine()) {
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case storm::settings::modules::GeneralSettings::Engine::Sparse: {
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std::shared_ptr<storm::models::sparse::Model<ValueType>> sparseModel = model->template as<storm::models::sparse::Model<ValueType>>();
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STORM_LOG_THROW(sparseModel != nullptr, storm::exceptions::InvalidArgumentException, "Sparse engine requires a sparse input model");
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return verifySparseModel(sparseModel, formula);
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}
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case storm::settings::modules::GeneralSettings::Engine::Hybrid: {
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std::shared_ptr<storm::models::symbolic::Model<DdType>> ddModel = model->template as<storm::models::symbolic::Model<DdType>>();
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STORM_LOG_THROW(ddModel != nullptr, storm::exceptions::InvalidArgumentException, "Hybrid engine requires a dd input model");
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return verifySymbolicModelWithHybridEngine(ddModel, formula);
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}
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case storm::settings::modules::GeneralSettings::Engine::Dd: {
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std::shared_ptr<storm::models::symbolic::Model<DdType>> ddModel = model->template as<storm::models::symbolic::Model<DdType>>();
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STORM_LOG_THROW(ddModel != nullptr, storm::exceptions::InvalidArgumentException, "Dd engine requires a dd input model");
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return verifySymbolicModelWithDdEngine(ddModel, formula);
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}
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case storm::settings::modules::GeneralSettings::Engine::AbstractionRefinement: {
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STORM_LOG_ASSERT(false, "This position should not be reached, as at this point no model has been built.");
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}
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}
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}
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template<typename ValueType>
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std::unique_ptr<storm::modelchecker::CheckResult> verifySparseModel(std::shared_ptr<storm::models::sparse::Model<ValueType>> model, std::shared_ptr<storm::logic::Formula> const& formula) {
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std::unique_ptr<storm::modelchecker::CheckResult> result;
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if (model->getType() == storm::models::ModelType::Dtmc) {
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std::shared_ptr<storm::models::sparse::Dtmc<ValueType>> dtmc = model->template as<storm::models::sparse::Dtmc<ValueType>>();
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storm::modelchecker::SparseDtmcPrctlModelChecker<storm::models::sparse::Dtmc<ValueType>> modelchecker(*dtmc);
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if (modelchecker.canHandle(*formula)) {
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result = modelchecker.check(*formula);
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} else {
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storm::modelchecker::SparseDtmcEliminationModelChecker<storm::models::sparse::Dtmc<ValueType>> modelchecker2(*dtmc);
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if (modelchecker2.canHandle(*formula)) {
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result = modelchecker2.check(*formula);
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}
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}
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} else if (model->getType() == storm::models::ModelType::Mdp) {
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std::shared_ptr<storm::models::sparse::Mdp<ValueType>> mdp = model->template as<storm::models::sparse::Mdp<ValueType>>();
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#ifdef STORM_HAVE_CUDA
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if (settings.isCudaSet()) {
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storm::modelchecker::TopologicalValueIterationMdpPrctlModelChecker<ValueType> modelchecker(*mdp);
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result = modelchecker.check(*formula);
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} else {
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storm::modelchecker::SparseMdpPrctlModelChecker<storm::models::sparse::Mdp<ValueType>> modelchecker(*mdp);
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result = modelchecker.check(*formula);
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}
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#else
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storm::modelchecker::SparseMdpPrctlModelChecker<storm::models::sparse::Mdp<ValueType>> modelchecker(*mdp);
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result = modelchecker.check(*formula);
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#endif
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} else if (model->getType() == storm::models::ModelType::Ctmc) {
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std::shared_ptr<storm::models::sparse::Ctmc<ValueType>> ctmc = model->template as<storm::models::sparse::Ctmc<ValueType>>();
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storm::modelchecker::SparseCtmcCslModelChecker<storm::models::sparse::Ctmc<ValueType>> modelchecker(*ctmc);
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result = modelchecker.check(*formula);
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}
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return result;
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}
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#ifdef STORM_HAVE_CARL
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inline void exportParametricResultToFile(storm::RationalFunction const& result, storm::models::sparse::Dtmc<storm::RationalFunction>::ConstraintCollector const& constraintCollector, std::string const& path) {
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std::ofstream filestream;
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filestream.open(path);
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// TODO: add checks.
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filestream << "!Parameters: ";
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std::set<storm::Variable> vars = result.gatherVariables();
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std::copy(vars.begin(), vars.end(), std::ostream_iterator<storm::Variable>(filestream, ", "));
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filestream << std::endl;
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filestream << "!Result: " << result << std::endl;
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filestream << "!Well-formed Constraints: " << std::endl;
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std::copy(constraintCollector.getWellformedConstraints().begin(), constraintCollector.getWellformedConstraints().end(), std::ostream_iterator<storm::ArithConstraint<storm::RationalFunction>>(filestream, "\n"));
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filestream << "!Graph-preserving Constraints: " << std::endl;
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std::copy(constraintCollector.getGraphPreservingConstraints().begin(), constraintCollector.getGraphPreservingConstraints().end(), std::ostream_iterator<storm::ArithConstraint<storm::RationalFunction>>(filestream, "\n"));
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filestream.close();
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}
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template<>
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inline std::unique_ptr<storm::modelchecker::CheckResult> verifySparseModel(std::shared_ptr<storm::models::sparse::Model<storm::RationalFunction>> model, std::shared_ptr<storm::logic::Formula> const& formula) {
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std::unique_ptr<storm::modelchecker::CheckResult> result;
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std::shared_ptr<storm::models::sparse::Dtmc<storm::RationalFunction>> dtmc = model->template as<storm::models::sparse::Dtmc<storm::RationalFunction>>();
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storm::modelchecker::SparseDtmcEliminationModelChecker<storm::models::sparse::Dtmc<storm::RationalFunction>> modelchecker(*dtmc);
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if (modelchecker.canHandle(*formula)) {
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result = modelchecker.check(*formula);
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} else {
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STORM_LOG_THROW(false, storm::exceptions::InvalidSettingsException, "The parametric engine currently does not support this property.");
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}
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return result;
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}
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#endif
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template<storm::dd::DdType DdType>
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std::unique_ptr<storm::modelchecker::CheckResult> verifySymbolicModelWithHybridEngine(std::shared_ptr<storm::models::symbolic::Model<DdType>> model, std::shared_ptr<storm::logic::Formula> const& formula) {
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std::unique_ptr<storm::modelchecker::CheckResult> result;
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if (model->getType() == storm::models::ModelType::Dtmc) {
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std::shared_ptr<storm::models::symbolic::Dtmc<DdType>> dtmc = model->template as<storm::models::symbolic::Dtmc<DdType>>();
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storm::modelchecker::HybridDtmcPrctlModelChecker<DdType, double> modelchecker(*dtmc);
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if (modelchecker.canHandle(*formula)) {
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result = modelchecker.check(*formula);
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}
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} else if (model->getType() == storm::models::ModelType::Ctmc) {
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std::shared_ptr<storm::models::symbolic::Ctmc<DdType>> ctmc = model->template as<storm::models::symbolic::Ctmc<DdType>>();
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storm::modelchecker::HybridCtmcCslModelChecker<DdType, double> modelchecker(*ctmc);
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if (modelchecker.canHandle(*formula)) {
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result = modelchecker.check(*formula);
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}
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} else if (model->getType() == storm::models::ModelType::Mdp) {
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std::shared_ptr<storm::models::symbolic::Mdp<DdType>> mdp = model->template as<storm::models::symbolic::Mdp<DdType>>();
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storm::modelchecker::HybridMdpPrctlModelChecker<DdType, double> modelchecker(*mdp);
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if (modelchecker.canHandle(*formula)) {
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result = modelchecker.check(*formula);
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}
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} else {
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STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "This functionality is not yet implemented.");
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|
}
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|
return result;
|
|
}
|
|
|
|
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template<storm::dd::DdType DdType>
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std::unique_ptr<storm::modelchecker::CheckResult> verifySymbolicModelWithDdEngine(std::shared_ptr<storm::models::symbolic::Model<DdType>> model, std::shared_ptr<storm::logic::Formula> const& formula) {
|
|
std::unique_ptr<storm::modelchecker::CheckResult> result;
|
|
if (model->getType() == storm::models::ModelType::Dtmc) {
|
|
std::shared_ptr<storm::models::symbolic::Dtmc<DdType>> dtmc = model->template as<storm::models::symbolic::Dtmc<DdType>>();
|
|
storm::modelchecker::SymbolicDtmcPrctlModelChecker<DdType, double> modelchecker(*dtmc);
|
|
if (modelchecker.canHandle(*formula)) {
|
|
result = modelchecker.check(*formula);
|
|
}
|
|
} else if (model->getType() == storm::models::ModelType::Mdp) {
|
|
std::shared_ptr<storm::models::symbolic::Mdp<DdType>> mdp = model->template as<storm::models::symbolic::Mdp<DdType>>();
|
|
storm::modelchecker::SymbolicMdpPrctlModelChecker<DdType, double> modelchecker(*mdp);
|
|
if (modelchecker.canHandle(*formula)) {
|
|
result = modelchecker.check(*formula);
|
|
}
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "This functionality is not yet implemented.");
|
|
}
|
|
return result;
|
|
}
|
|
|
|
template<typename ValueType>
|
|
void exportMatrixToFile(std::shared_ptr<storm::models::sparse::Model<ValueType>> model, std::string const& filepath) {
|
|
STORM_LOG_THROW(model->getType() != storm::models::ModelType::Ctmc, storm::exceptions::NotImplementedException, "This functionality is not yet implemented." );
|
|
std::ofstream ofs;
|
|
ofs.open (filepath, std::ofstream::out);
|
|
model->getTransitionMatrix().printAsMatlabMatrix(ofs);
|
|
ofs.close();
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* STORM_H */
|
|
|