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finalized location variable for JANI automata

main
dehnert 9 years ago
parent
158ddc0533
commit
04d3a649bc
6 changed files with 27 additions and 30 deletions
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  1. 16
      src/storm/builder/DdJaniModelBuilder.cpp
  2. 11
      src/storm/builder/jit/ExplicitJitJaniModelBuilder.cpp
  3. 1
      src/storm/builder/jit/ExplicitJitJaniModelBuilder.h
  4. 16
      src/storm/generator/JaniNextStateGenerator.cpp
  5. 11
      src/storm/storage/jani/Model.cpp
  6. 2
      src/storm/storage/jani/Model.h

16
src/storm/builder/DdJaniModelBuilder.cpp
View File

@ -159,7 +159,6 @@ namespace storm {
std::vector<std::pair<storm::expressions::Variable, storm::expressions::Variable>> rowColumnMetaVariablePairs;
// A mapping from automata to the meta variables encoding their location.
std::map<std::string, storm::expressions::Variable> automatonToLocationVariableMap;
std::map<std::string, std::pair<storm::expressions::Variable, storm::expressions::Variable>> automatonToLocationDdVariableMap;
// A mapping from action indices to the meta variables used to encode these actions.
@ -264,10 +263,11 @@ namespace storm {
result.allNondeterminismVariables.insert(result.markovNondeterminismVariable);
}
for (auto const& automaton : this->model.getAutomata()) {
for (auto const& automatonName : this->automata) {
storm::jani::Automaton const& automaton = this->model.getAutomaton(automatonName);
// Start by creating a meta variable for the location of the automaton.
storm::expressions::Variable locationExpressionVariable = model.getManager().declareFreshIntegerVariable(false, "loc");
result.automatonToLocationVariableMap[automaton.getName()] = locationExpressionVariable;
storm::expressions::Variable locationExpressionVariable = automaton.getLocationExpressionVariable();
std::pair<storm::expressions::Variable, storm::expressions::Variable> variablePair = result.manager->addMetaVariable("l_" + automaton.getName(), 0, automaton.getNumberOfLocations() - 1);
result.automatonToLocationDdVariableMap[automaton.getName()] = variablePair;
result.rowColumnMetaVariablePairs.push_back(variablePair);
@ -1785,10 +1785,16 @@ namespace storm {
std::map<std::string, storm::expressions::Expression> buildLabelExpressions(storm::jani::Model const& model, CompositionVariables<Type, ValueType> const& variables, typename DdJaniModelBuilder<Type, ValueType>::Options const& options) {
std::map<std::string, storm::expressions::Expression> result;
// Create a list of composed automata to restrict the labels to locations of these automata.
std::vector<std::reference_wrapper<storm::jani::Automaton const>> composedAutomata;
for (auto const& entry : variables.automatonToIdentityMap) {
composedAutomata.emplace_back(model.getAutomaton(entry.first));
}
for (auto const& variable : model.getGlobalVariables().getTransientVariables()) {
if (variable.isBooleanVariable()) {
if (options.buildAllLabels || options.labelNames.find(variable.getName()) != options.labelNames.end()) {
result[variable.getName()] = model.getLabelExpression(variable.asBooleanVariable(), variables.automatonToLocationVariableMap);
result[variable.getName()] = model.getLabelExpression(variable.asBooleanVariable(), composedAutomata);
}
}
}

11
src/storm/builder/jit/ExplicitJitJaniModelBuilder.cpp
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@ -97,11 +97,6 @@ namespace storm {
}
}
// Create location variables for all the automata that we put in parallel.
for (auto const& automaton : parallelAutomata) {
automatonToLocationVariable.emplace(automaton.get().getName(), this->model.getManager().declareFreshIntegerVariable(false, automaton.get().getName() + "_"));
}
// If the program still contains undefined constants and we are not in a parametric setting, assemble an appropriate error message.
#ifdef STORM_HAVE_CARL
if (!std::is_same<ValueType, storm::RationalFunction>::value && this->model.hasUndefinedConstants()) {
@ -1514,7 +1509,7 @@ namespace storm {
if (this->options.isBuildAllLabelsSet() || this->options.getLabelNames().find(variable.getName()) != this->options.getLabelNames().end()) {
cpptempl::data_map label;
label["name"] = variable.getName();
label["predicate"] = expressionTranslator.translate(shiftVariablesWrtLowerBound(model.getLabelExpression(variable.asBooleanVariable(), automatonToLocationVariable)), storm::expressions::ToCppTranslationOptions(variablePrefixes, variableToName));
label["predicate"] = expressionTranslator.translate(shiftVariablesWrtLowerBound(model.getLabelExpression(variable.asBooleanVariable(), parallelAutomata)), storm::expressions::ToCppTranslationOptions(variablePrefixes, variableToName));
labels.push_back(label);
}
}
@ -1542,7 +1537,7 @@ namespace storm {
auto const& variable = variables.getVariable(labelOrExpression.getLabel());
STORM_LOG_THROW(variable.isBooleanVariable(), storm::exceptions::WrongFormatException, "Terminal label refers to non-boolean variable '" << variable.getName() << ".");
STORM_LOG_THROW(variable.isTransient(), storm::exceptions::WrongFormatException, "Terminal label refers to non-transient variable '" << variable.getName() << ".");
auto labelExpression = model.getLabelExpression(variable.asBooleanVariable(), automatonToLocationVariable);
auto labelExpression = model.getLabelExpression(variable.asBooleanVariable(), parallelAutomata);
if (terminalEntry.second) {
labelExpression = !labelExpression;
}
@ -1590,7 +1585,7 @@ namespace storm {
template <typename ValueType, typename RewardModelType>
storm::expressions::Variable const& ExplicitJitJaniModelBuilder<ValueType, RewardModelType>::getLocationVariable(storm::jani::Automaton const& automaton) const {
return automatonToLocationVariable.at(automaton.getName());
return automaton.getLocationExpressionVariable();
}
template <typename ValueType, typename RewardModelType>

1
src/storm/builder/jit/ExplicitJitJaniModelBuilder.h
View File

@ -161,7 +161,6 @@ namespace storm {
// Members that store information about the model. They are used in the process of assembling the model
// data that is used in the skeleton.
std::unordered_map<storm::expressions::Variable, std::string> variableToName;
std::map<std::string, storm::expressions::Variable> automatonToLocationVariable;
storm::expressions::ToCppVisitor expressionTranslator;
std::map<storm::expressions::Variable, storm::expressions::Expression> lowerBoundShiftSubstitution;
std::map<storm::expressions::Variable, int_fast64_t> lowerBounds;

16
src/storm/generator/JaniNextStateGenerator.cpp
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@ -80,11 +80,9 @@ namespace storm {
// If there are terminal states we need to handle, we now need to translate all labels to expressions.
if (this->options.hasTerminalStates()) {
std::map<std::string, storm::expressions::Variable> locationVariables;
auto locationVariableIt = this->variableInformation.locationVariables.begin();
std::vector<std::reference_wrapper<storm::jani::Automaton const>> composedAutomata;
for (auto const& automaton : this->model.getAutomata()) {
locationVariables[automaton.getName()] = locationVariableIt->variable;
++locationVariableIt;
composedAutomata.emplace_back(automaton);
}
for (auto const& expressionOrLabelAndBool : this->options.getTerminalStates()) {
@ -100,7 +98,7 @@ namespace storm {
STORM_LOG_THROW(variable.isBooleanVariable(), storm::exceptions::InvalidSettingsException, "Terminal states refer to non-boolean variable '" << expressionOrLabelAndBool.first.getLabel() << "'.");
STORM_LOG_THROW(variable.isTransient(), storm::exceptions::InvalidSettingsException, "Terminal states refer to non-transient variable '" << expressionOrLabelAndBool.first.getLabel() << "'.");
this->terminalStates.push_back(std::make_pair(this->model.getLabelExpression(variable.asBooleanVariable(), locationVariables), expressionOrLabelAndBool.second));
this->terminalStates.push_back(std::make_pair(this->model.getLabelExpression(variable.asBooleanVariable(), composedAutomata), expressionOrLabelAndBool.second));
}
}
}
@ -618,11 +616,9 @@ namespace storm {
storm::models::sparse::StateLabeling JaniNextStateGenerator<ValueType, StateType>::label(storm::storage::BitVectorHashMap<StateType> const& states, std::vector<StateType> const& initialStateIndices, std::vector<StateType> const& deadlockStateIndices) {
// Prepare a mapping from automata names to the location variables.
std::map<std::string, storm::expressions::Variable> locationVariables;
auto locationVariableIt = this->variableInformation.locationVariables.begin();
std::vector<std::reference_wrapper<storm::jani::Automaton const>> composedAutomata;
for (auto const& automaton : model.getAutomata()) {
locationVariables[automaton.getName()] = locationVariableIt->variable;
++locationVariableIt;
composedAutomata.emplace_back(automaton);
}
// As in JANI we can use transient boolean variable assignments in locations to identify states, we need to
@ -631,7 +627,7 @@ namespace storm {
for (auto const& variable : model.getGlobalVariables().getTransientVariables()) {
if (variable.isBooleanVariable()) {
if (this->options.isBuildAllLabelsSet() || this->options.getLabelNames().find(variable.getName()) != this->options.getLabelNames().end()) {
transientVariableToExpressionMap[variable.getExpressionVariable()] = model.getLabelExpression(variable.asBooleanVariable(), locationVariables);
transientVariableToExpressionMap[variable.getExpressionVariable()] = model.getLabelExpression(variable.asBooleanVariable(), composedAutomata);
}
}
}

11
src/storm/storage/jani/Model.cpp
View File

@ -969,18 +969,19 @@ namespace storm {
STORM_LOG_ASSERT(composition != nullptr, "Composition is not set");
}
storm::expressions::Expression Model::getLabelExpression(BooleanVariable const& transientVariable, std::map<std::string, storm::expressions::Variable> const& automatonToLocationVariableMap) const {
storm::expressions::Expression Model::getLabelExpression(BooleanVariable const& transientVariable, std::vector<std::reference_wrapper<Automaton const>> const& automata) const {
STORM_LOG_THROW(transientVariable.isTransient(), storm::exceptions::InvalidArgumentException, "Expected transient variable.");
storm::expressions::Expression result;
bool negate = transientVariable.getInitExpression().isTrue();
for (auto const& automaton : this->getAutomata()) {
storm::expressions::Variable const& locationVariable = automatonToLocationVariableMap.at(automaton.getName());
for (auto const& location : automaton.getLocations()) {
for (auto const& automaton : automata) {
storm::expressions::Variable const& locationVariable = automaton.get().getLocationExpressionVariable();
for (auto const& location : automaton.get().getLocations()) {
for (auto const& assignment : location.getAssignments().getTransientAssignments()) {
if (assignment.getExpressionVariable() == transientVariable.getExpressionVariable()) {
auto newExpression = (locationVariable == this->getManager().integer(automaton.getLocationIndex(location.getName()))) && (negate ? !assignment.getAssignedExpression() : assignment.getAssignedExpression());
auto newExpression = (locationVariable == this->getManager().integer(automaton.get().getLocationIndex(location.getName()))) && (negate ? !assignment.getAssignedExpression() : assignment.getAssignedExpression());
if (result.isInitialized()) {
result = result || newExpression;
} else {

2
src/storm/storage/jani/Model.h
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@ -379,7 +379,7 @@ namespace storm {
* Creates the expression that characterizes all states in which the provided transient boolean variable is
* true. The provided location variables are used to encode the location of the automata.
*/
storm::expressions::Expression getLabelExpression(BooleanVariable const& transientVariable, std::map<std::string, storm::expressions::Variable> const& automatonToLocationVariableMap) const;
storm::expressions::Expression getLabelExpression(BooleanVariable const& transientVariable, std::vector<std::reference_wrapper<Automaton const>> const& automata) const;
/*!
* Checks that undefined constants (parameters) of the model preserve the graph of the underlying model.

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