#include "pla.h" #include "src/helpers.h" typedef storm::modelchecker::parametric::SparseDtmcRegionChecker<storm::models::sparse::Dtmc<storm::RationalFunction>, double, storm::RationalNumber> SparseDtmcRegionChecker; typedef storm::storage::ParameterRegion<storm::RationalFunction> Region; // Thin wrappers void specifyFormula(std::shared_ptr<SparseDtmcRegionChecker>& checker, std::shared_ptr<const storm::logic::Formula> const& formula) { checker->specifyFormula(storm::modelchecker::CheckTask<storm::logic::Formula, storm::RationalFunction>(*formula, true)); } storm::modelchecker::parametric::RegionCheckResult checkRegion(std::shared_ptr<SparseDtmcRegionChecker>& checker, Region& region, storm::modelchecker::parametric::RegionCheckResult initialResult, bool sampleVertices) { return checker->analyzeRegion(region, initialResult, sampleVertices); } std::set<storm::Polynomial> gatherDerivatives(storm::models::sparse::Dtmc<storm::RationalFunction> const& model, carl::Variable const& var) { std::set<storm::Polynomial> derivatives; for (auto it : model.getTransitionMatrix()) { storm::Polynomial pol = it.getValue().derivative(var, 1).nominator(); if (!pol.isConstant()) { derivatives.insert(pol); } } return derivatives; } // Define python bindings void define_pla(py::module& m) { // RegionCheckResult py::enum_<storm::modelchecker::parametric::RegionCheckResult>(m, "RegionCheckResult", "Types of region check results") .value("EXISTSSAT", storm::modelchecker::parametric::RegionCheckResult::ExistsSat) .value("EXISTSVIOLATED", storm::modelchecker::parametric::RegionCheckResult::ExistsViolated) .value("EXISTSBOTH", storm::modelchecker::parametric::RegionCheckResult::ExistsBoth) .value("CENTERSAT", storm::modelchecker::parametric::RegionCheckResult::CenterSat) .value("CENTERVIOLATED", storm::modelchecker::parametric::RegionCheckResult::CenterViolated) .value("ALLSAT", storm::modelchecker::parametric::RegionCheckResult::AllSat) .value("ALLVIOLATED", storm::modelchecker::parametric::RegionCheckResult::AllViolated) .value("UNKNOWN", storm::modelchecker::parametric::RegionCheckResult::Unknown) .def("__str__", &streamToString<storm::modelchecker::parametric::RegionCheckResult>) ; // Region py::class_<Region, std::shared_ptr<Region>>(m, "ParameterRegion", "Parameter region") .def("__init__", [](Region &instance, std::string const& regionString, std::set<Region::VariableType> const& variables) -> void { new (&instance) Region(Region::parseRegion(regionString, variables)); }) //.def(py::init<Region::VariableSubstitutionType &, Region::VariableSubstitutionType &>(), py::arg("lowerBounds"), py::arg("upperBounds")) ; // RegionChecker py::class_<SparseDtmcRegionChecker, std::shared_ptr<SparseDtmcRegionChecker>>(m, "SparseDtmcRegionChecker", "Region model checker for sparse DTMCs") .def("__init__", [](SparseDtmcRegionChecker& instance, std::shared_ptr<storm::models::sparse::Dtmc<storm::RationalFunction>> model) -> void { new (&instance) SparseDtmcRegionChecker(*model); }) .def("specify_formula", &specifyFormula, "Specify formula", py::arg("formula")) .def("check_region", &checkRegion, "Check region", py::arg("region"), py::arg("initialResult") = storm::modelchecker::parametric::RegionCheckResult::Unknown, py::arg("sampleVertices") = false) ; m.def("gather_derivatives", &gatherDerivatives, "Gather all derivatives of transition probabilities", py::arg("model"), py::arg("var")); }