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extended the subsystembuilder with an option to track actions, and the option to disable some features

tempestpy_adaptions
Sebastian Junges 6 years ago
parent
c4e7fdd5e5
commit
b945b34457
2 changed files with 57 additions and 17 deletions
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  1. 62
      src/storm/transformer/SubsystemBuilder.cpp
  2. 12
      src/storm/transformer/SubsystemBuilder.h

62
src/storm/transformer/SubsystemBuilder.cpp
View File

@ -57,24 +57,54 @@ namespace storm {
}
template <typename ValueType, typename RewardModelType>
SubsystemBuilderReturnType<ValueType, RewardModelType> internalBuildSubsystem(storm::models::sparse::Model<ValueType, RewardModelType> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions) {
SubsystemBuilderReturnType<ValueType, RewardModelType> internalBuildSubsystem(storm::models::sparse::Model<ValueType, RewardModelType> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, SubsystemBuilderOptions const& options ) {
SubsystemBuilderReturnType<ValueType, RewardModelType> result;
uint_fast64_t subsystemStateCount = subsystemStates.getNumberOfSetBits();
result.newToOldStateIndexMapping.reserve(subsystemStateCount);
result.keptActions = storm::storage::BitVector(originalModel.getTransitionMatrix().getRowCount(), false);
if (options.buildStateMapping) {
result.newToOldStateIndexMapping.reserve(subsystemStateCount);
}
if (options.buildActionMapping) {
result.newToOldActionIndexMapping.reserve(subsystemActions.getNumberOfSetBits());
}
if (options.buildKeptActions) {
result.keptActions = storm::storage::BitVector(originalModel.getTransitionMatrix().getRowCount(), false);
}
for (auto subsysState : subsystemStates) {
result.newToOldStateIndexMapping.push_back(subsysState);
if (options.buildStateMapping) {
result.newToOldStateIndexMapping.push_back(subsysState);
}
bool keepAtLeastOneAction = !options.checkTransitionsOutside; // For debug mode only.
bool atLeastOneActionSelected = false; // For debug mode only.
for (uint_fast64_t row = subsystemActions.getNextSetIndex(originalModel.getTransitionMatrix().getRowGroupIndices()[subsysState]); row < originalModel.getTransitionMatrix().getRowGroupIndices()[subsysState+1]; row = subsystemActions.getNextSetIndex(row+1)) {
bool allRowEntriesStayInSubsys = true;
for (auto const& entry : originalModel.getTransitionMatrix().getRow(row)) {
if (!subsystemStates.get(entry.getColumn())) {
allRowEntriesStayInSubsys = false;
break;
atLeastOneActionSelected = true;
if (options.checkTransitionsOutside) {
for (auto const &entry : originalModel.getTransitionMatrix().getRow(row)) {
if (!subsystemStates.get(entry.getColumn())) {
allRowEntriesStayInSubsys = false;
break;
}
}
}
result.keptActions.set(row, allRowEntriesStayInSubsys);
if (allRowEntriesStayInSubsys) {
keepAtLeastOneAction = true;
}
if (options.buildActionMapping) {
result.newToOldActionIndexMapping.push_back(row);
}
if (options.buildKeptActions) {
result.keptActions.set(row, allRowEntriesStayInSubsys);
}
}
if (!atLeastOneActionSelected && options.fixDeadlocks) {
}
STORM_LOG_ASSERT(atLeastOneActionSelected, "Expected that in each state, at least one action is selected. (violated at " << subsysState << ")");
STORM_LOG_ASSERT(keepAtLeastOneAction, "Expected that in each state, at least one action is preserved at least one action is selected. (violated at " << subsysState << ")");
}
// Transform the components of the model
@ -102,23 +132,23 @@ namespace storm {
}
template <typename ValueType, typename RewardModelType>
SubsystemBuilderReturnType<ValueType, RewardModelType> buildSubsystem(storm::models::sparse::Model<ValueType, RewardModelType> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates) {
SubsystemBuilderReturnType<ValueType, RewardModelType> buildSubsystem(storm::models::sparse::Model<ValueType, RewardModelType> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates, SubsystemBuilderOptions options ) {
STORM_LOG_DEBUG("Invoked subsystem builder on model with " << originalModel.getNumberOfStates() << " states.");
storm::storage::BitVector initialStates = originalModel.getInitialStates() & subsystemStates;
STORM_LOG_THROW(!initialStates.empty(), storm::exceptions::InvalidArgumentException, "The subsystem would not contain any initial states");
STORM_LOG_THROW(!subsystemStates.empty(), storm::exceptions::InvalidArgumentException, "Invoked SubsystemBuilder for an empty subsystem.");
if (keepUnreachableStates) {
return internalBuildSubsystem(originalModel, subsystemStates, subsystemActions);
return internalBuildSubsystem(originalModel, subsystemStates, subsystemActions, options);
} else {
auto actualSubsystem = storm::utility::graph::getReachableStates(originalModel.getTransitionMatrix(), initialStates, subsystemStates, storm::storage::BitVector(subsystemStates.size(), false), false, 0, subsystemActions);
return internalBuildSubsystem(originalModel, actualSubsystem, subsystemActions);
return internalBuildSubsystem(originalModel, actualSubsystem, subsystemActions, options);
}
}
template SubsystemBuilderReturnType<double> buildSubsystem(storm::models::sparse::Model<double> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true);
template SubsystemBuilderReturnType<double, storm::models::sparse::StandardRewardModel<storm::Interval>> buildSubsystem(storm::models::sparse::Model<double, storm::models::sparse::StandardRewardModel<storm::Interval>> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true);
template SubsystemBuilderReturnType<storm::RationalNumber> buildSubsystem(storm::models::sparse::Model<storm::RationalNumber> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true);
template SubsystemBuilderReturnType<storm::RationalFunction> buildSubsystem(storm::models::sparse::Model<storm::RationalFunction> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true);
template SubsystemBuilderReturnType<double> buildSubsystem(storm::models::sparse::Model<double> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true, SubsystemBuilderOptions options = SubsystemBuilderOptions());
template SubsystemBuilderReturnType<double, storm::models::sparse::StandardRewardModel<storm::Interval>> buildSubsystem(storm::models::sparse::Model<double, storm::models::sparse::StandardRewardModel<storm::Interval>> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true, SubsystemBuilderOptions options = SubsystemBuilderOptions());
template SubsystemBuilderReturnType<storm::RationalNumber> buildSubsystem(storm::models::sparse::Model<storm::RationalNumber> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true, SubsystemBuilderOptions options = SubsystemBuilderOptions());
template SubsystemBuilderReturnType<storm::RationalFunction> buildSubsystem(storm::models::sparse::Model<storm::RationalFunction> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true, SubsystemBuilderOptions options = SubsystemBuilderOptions());
}
}

12
src/storm/transformer/SubsystemBuilder.h
View File

@ -16,10 +16,20 @@ namespace storm {
std::shared_ptr<storm::models::sparse::Model<ValueType, RewardModelType>> model;
// Gives for each state in the resulting model the corresponding state in the original model.
std::vector<uint_fast64_t> newToOldStateIndexMapping;
// Gives for each action in the resulting model the corresponding action in the original model.
std::vector<uint64_t> newToOldActionIndexMapping;
// marks the actions of the original model that are still available in the subsystem
storm::storage::BitVector keptActions;
};
struct SubsystemBuilderOptions {
bool checkTransitionsOutside = true;
bool buildStateMapping = true;
bool buildActionMapping = false;
bool buildKeptActions = true;
bool fixDeadlocks = true;
};
/*
* Removes all states and actions that are not part of the subsystem.
* A state is part of the subsystem iff
@ -38,6 +48,6 @@ namespace storm {
* @param keepUnreachableStates if true, states that are not reachable from the initial state are kept
*/
template <typename ValueType, typename RewardModelType = storm::models::sparse::StandardRewardModel<ValueType>>
SubsystemBuilderReturnType<ValueType, RewardModelType> buildSubsystem(storm::models::sparse::Model<ValueType, RewardModelType> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true);
SubsystemBuilderReturnType<ValueType, RewardModelType> buildSubsystem(storm::models::sparse::Model<ValueType, RewardModelType> const& originalModel, storm::storage::BitVector const& subsystemStates, storm::storage::BitVector const& subsystemActions, bool keepUnreachableStates = true, SubsystemBuilderOptions options = SubsystemBuilderOptions());
}
}
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