#include "src/models/sparse/Model.h"
#include "src/utility/vector.h"
#include "src/adapters/CarlAdapter.h"
namespace storm {
namespace models {
namespace sparse {
template<typename ValueType>
Model<ValueType>::Model(storm::models::ModelType const& modelType,
storm::storage::SparseMatrix<ValueType> const& transitionMatrix,
storm::models::sparse::StateLabeling const& stateLabeling,
boost::optional<std::vector<ValueType>> const& optionalStateRewardVector,
boost::optional<storm::storage::SparseMatrix<ValueType>> const& optionalTransitionRewardMatrix,
boost::optional<std::vector<boost::container::flat_set<uint_fast64_t>>> const& optionalChoiceLabeling)
: ModelBase(modelType),
transitionMatrix(transitionMatrix),
stateLabeling(stateLabeling),
stateRewardVector(optionalStateRewardVector),
transitionRewardMatrix(optionalTransitionRewardMatrix),
choiceLabeling(optionalChoiceLabeling) {
// Intentionally left empty.
}
template<typename ValueType>
Model<ValueType>::Model(storm::models::ModelType const& modelType,
storm::storage::SparseMatrix<ValueType>&& transitionMatrix,
storm::models::sparse::StateLabeling&& stateLabeling,
boost::optional<std::vector<ValueType>>&& optionalStateRewardVector,
boost::optional<storm::storage::SparseMatrix<ValueType>>&& optionalTransitionRewardMatrix,
boost::optional<std::vector<boost::container::flat_set<uint_fast64_t>>>&& optionalChoiceLabeling)
: ModelBase(modelType),
transitionMatrix(std::move(transitionMatrix)),
stateLabeling(std::move(stateLabeling)),
stateRewardVector(std::move(optionalStateRewardVector)),
transitionRewardMatrix(std::move(optionalTransitionRewardMatrix)),
choiceLabeling(std::move(optionalChoiceLabeling)) {
// Intentionally left empty.
}
template <typename ValueType>
template <typename BlockType>
storm::storage::SparseMatrix<ValueType> Model<ValueType>::extractPartitionDependencyGraph(storm::storage::Decomposition<BlockType> const& decomposition) const {
uint_fast64_t numberOfStates = decomposition.size();
// First, we need to create a mapping of states to their SCC index, to ease the computation of dependency transitions later.
std::vector<uint_fast64_t> stateToBlockMap(this->getNumberOfStates());
for (uint_fast64_t i = 0; i < decomposition.size(); ++i) {
for (auto state : decomposition[i]) {
stateToBlockMap[state] = i;
}
}
// The resulting sparse matrix will have as many rows/columns as there are blocks in the partition.
storm::storage::SparseMatrixBuilder<ValueType> dependencyGraphBuilder(numberOfStates, numberOfStates);
for (uint_fast64_t currentBlockIndex = 0; currentBlockIndex < decomposition.size(); ++currentBlockIndex) {
// Get the next block.
typename storm::storage::Decomposition<BlockType>::block_type const& block = decomposition[currentBlockIndex];
// Now, we determine the blocks which are reachable (in one step) from the current block.
boost::container::flat_set<uint_fast64_t> allTargetBlocks;
for (auto state : block) {
for (auto const& transitionEntry : this->getRows(state)) {
uint_fast64_t targetBlock = stateToBlockMap[transitionEntry.first];
// We only need to consider transitions that are actually leaving the SCC.
if (targetBlock != currentBlockIndex) {
allTargetBlocks.insert(targetBlock);
}
}
}
// Now we can just enumerate all the target SCCs and insert the corresponding transitions.
for (auto targetBlock : allTargetBlocks) {
dependencyGraphBuilder.addNextValue(currentBlockIndex, targetBlock, storm::utility::one<ValueType>());
}
}
return dependencyGraphBuilder.build();
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> Model<ValueType>::getBackwardTransitions() const {
return this->getTransitionMatrix().transpose(true);
}
template <typename ValueType>
typename storm::storage::SparseMatrix<ValueType>::const_rows Model<ValueType>::getRows(storm::storage::sparse::state_type state) const {
return this->getTransitionMatrix().getRowGroup(state);
}
template <typename ValueType>
uint_fast64_t Model<ValueType>::getNumberOfStates() const {
return this->getTransitionMatrix().getColumnCount();
}
template <typename ValueType>
uint_fast64_t Model<ValueType>::getNumberOfTransitions() const {
return this->getTransitionMatrix().getNonzeroEntryCount();
}
template <typename ValueType>
storm::storage::BitVector const& Model<ValueType>::getInitialStates() const {
return this->getStates("init");
}
template <typename ValueType>
storm::storage::BitVector const& Model<ValueType>::getStates(std::string const& label) const {
return stateLabeling.getStates(label);
}
template <typename ValueType>
bool Model<ValueType>::hasLabel(std::string const& label) const {
return stateLabeling.containsLabel(label);
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> const& Model<ValueType>::getTransitionMatrix() const {
return transitionMatrix;
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType>& Model<ValueType>::getTransitionMatrix() {
return transitionMatrix;
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType> const& Model<ValueType>::getTransitionRewardMatrix() const {
return transitionRewardMatrix.get();
}
template <typename ValueType>
storm::storage::SparseMatrix<ValueType>& Model<ValueType>::getTransitionRewardMatrix() {
return transitionRewardMatrix.get();
}
template <typename ValueType>
std::vector<ValueType> const& Model<ValueType>::getStateRewardVector() const {
return stateRewardVector.get();
}
template <typename ValueType>
std::vector<boost::container::flat_set<uint_fast64_t>> const& Model<ValueType>::getChoiceLabeling() const {
return choiceLabeling.get();
}
template <typename ValueType>
storm::models::sparse::StateLabeling const& Model<ValueType>::getStateLabeling() const {
return stateLabeling;
}
template <typename ValueType>
storm::models::sparse::StateLabeling& Model<ValueType>::getStateLabeling() {
return stateLabeling;
}
template <typename ValueType>
bool Model<ValueType>::hasStateRewards() const {
return static_cast<bool>(stateRewardVector);
}
template <typename ValueType>
bool Model<ValueType>::hasTransitionRewards() const {
return static_cast<bool>(transitionRewardMatrix);
}
template <typename ValueType>
bool Model<ValueType>::hasChoiceLabeling() const {
return static_cast<bool>(choiceLabeling);
}
template <typename ValueType>
void Model<ValueType>::convertTransitionRewardsToStateRewards() {
STORM_LOG_THROW(this->hasTransitionRewards(), storm::exceptions::InvalidOperationException, "Cannot reduce non-existant transition rewards to state rewards.");
if (this->hasStateRewards()) {
storm::utility::vector::addVectorsInPlace(stateRewardVector.get(), transitionMatrix.getPointwiseProductRowSumVector(transitionRewardMatrix.get()));
} else {
this->stateRewardVector = transitionMatrix.getPointwiseProductRowSumVector(transitionRewardMatrix.get());
}
this->transitionRewardMatrix = boost::optional<storm::storage::SparseMatrix<ValueType>>();
}
template <typename ValueType>
std::size_t Model<ValueType>::getSizeInBytes() const {
std::size_t result = transitionMatrix.getSizeInBytes() + stateLabeling.getSizeInBytes();
if (stateRewardVector) {
result += getStateRewardVector().size() * sizeof(ValueType);
}
if (hasTransitionRewards()) {
result += getTransitionRewardMatrix().getSizeInBytes();
}
if (hasChoiceLabeling()) {
result += getChoiceLabeling().size() * sizeof(boost::container::flat_set<uint_fast64_t>);
}
return result;
}
template <typename ValueType>
void Model<ValueType>::printModelInformationToStream(std::ostream& out) const {
out << "-------------------------------------------------------------- " << std::endl;
out << "Model type: \t\t" << this->getType() << std::endl;
out << "States: \t\t" << this->getNumberOfStates() << std::endl;
out << "Transitions: \t\t" << this->getNumberOfTransitions() << std::endl;
this->getStateLabeling().printLabelingInformationToStream(out);
out << "Size in memory: \t" << (this->getSizeInBytes())/1024 << " kbytes" << std::endl;
out << "-------------------------------------------------------------- " << std::endl;
}
template <typename ValueType>
void Model<ValueType>::writeDotToStream(std::ostream& outStream, bool includeLabeling, storm::storage::BitVector const* subsystem, std::vector<ValueType> const* firstValue, std::vector<ValueType> const* secondValue, std::vector<uint_fast64_t> const* stateColoring, std::vector<std::string> const* colors, std::vector<uint_fast64_t>* scheduler, bool finalizeOutput) const {
outStream << "digraph model {" << std::endl;
// Write all states to the stream.
for (uint_fast64_t state = 0, highestStateIndex = this->getNumberOfStates() - 1; state <= highestStateIndex; ++state) {
if (subsystem == nullptr || subsystem->get(state)) {
outStream << "\t" << state;
if (includeLabeling || firstValue != nullptr || secondValue != nullptr || stateColoring != nullptr) {
outStream << " [ ";
// If we need to print some extra information, do so now.
if (includeLabeling || firstValue != nullptr || secondValue != nullptr) {
outStream << "label = \"" << state << ": ";
// Now print the state labeling to the stream if requested.
if (includeLabeling) {
outStream << "{";
bool includeComma = false;
for (std::string const& label : this->getLabelsOfState(state)) {
if (includeComma) {
outStream << ", ";
} else {
includeComma = true;
}
outStream << label;
}
outStream << "}";
}
// If we are to include some values for the state as well, we do so now.
if (firstValue != nullptr || secondValue != nullptr) {
outStream << " [";
if (firstValue != nullptr) {
outStream << (*firstValue)[state];
if (secondValue != nullptr) {
outStream << ", ";
}
}
if (secondValue != nullptr) {
outStream << (*secondValue)[state];
}
outStream << "]";
}
outStream << "\"";
// Now, we color the states if there were colors given.
if (stateColoring != nullptr && colors != nullptr) {
outStream << ", ";
outStream << " style = filled, fillcolor = " << (*colors)[(*stateColoring)[state]];
}
}
outStream << " ]";
}
outStream << ";" << std::endl;
}
}
// If this methods has not been called from a derived class, we want to close the digraph here.
if (finalizeOutput) {
outStream << "}" << std::endl;
}
}
template <typename ValueType>
std::set<std::string> Model<ValueType>::getLabelsOfState(storm::storage::sparse::state_type state) const {
return this->stateLabeling.getLabelsOfState(state);
}
template <typename ValueType>
void Model<ValueType>::setTransitionMatrix(storm::storage::SparseMatrix<ValueType> const& transitionMatrix) {
this->transitionMatrix = transitionMatrix;
}
template <typename ValueType>
void Model<ValueType>::setTransitionMatrix(storm::storage::SparseMatrix<ValueType>&& transitionMatrix) {
this->transitionMatrix = std::move(transitionMatrix);
}
template class Model<double>;
#ifdef STORM_HAVE_CARL
template class Model<storm::RationalFunction>;
#endif
}
}
}