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alpha-draft of synchronization vectors in JANI 

Former-commit-id: 31eec25d2e [formerly ecd02f99e6]
Former-commit-id: 43c14e1dac
tempestpy_adaptions
dehnert 8 years ago
parent
1dc4af0e28
commit
62ca16b20a
3 changed files with 195 additions and 70 deletions
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  1. 179
      src/builder/DdJaniModelBuilder.cpp
  2. 59
      test/functional/builder/DdJaniModelBuilderTest.cpp
  3. 27
      test/functional/builder/SmallPrismTest.nm

179
src/builder/DdJaniModelBuilder.cpp
View File

@ -958,6 +958,10 @@ namespace storm {
std::pair<uint64_t, uint64_t> const& getLocalNondeterminismVariables() const { std::pair<uint64_t, uint64_t> const& getLocalNondeterminismVariables() const {
return localNondeterminismVariables; return localNondeterminismVariables;
} }
ActionDd multiplyTransitions(storm::dd::Add<Type, ValueType> const& factor) const {
return ActionDd(guard, transitions * factor, transientEdgeAssignments, localNondeterminismVariables, variableToWritingFragment, illegalFragment);
}
// A DD that represents all states that have this edge enabled. // A DD that represents all states that have this edge enabled.
storm::dd::Add<Type, ValueType> guard; storm::dd::Add<Type, ValueType> guard;
@ -1114,28 +1118,26 @@ namespace storm {
AutomatonDd composeInParallel(std::vector<AutomatonDd> const& subautomata, std::vector<storm::jani::SynchronizationVector> const& synchronizationVectors) { AutomatonDd composeInParallel(std::vector<AutomatonDd> const& subautomata, std::vector<storm::jani::SynchronizationVector> const& synchronizationVectors) {
AutomatonDd result(this->variables.manager->template getAddOne<ValueType>()); AutomatonDd result(this->variables.manager->template getAddOne<ValueType>());
std::map<uint64_t, std::vector<ActionDd>> nonSynchronizingActions;
std::vector<boost::optional<ActionDd>> synchronizationVectorActions(synchronizationVectors.size(), boost::none);
for (uint64_t automatonIndex = 0; automatonIndex < subautomata.size(); ++automatonIndex) { for (uint64_t automatonIndex = 0; automatonIndex < subautomata.size(); ++automatonIndex) {
AutomatonDd const& subautomaton = subautomata[automatonIndex]; AutomatonDd const& subautomaton = subautomata[automatonIndex];
// Add the transient assignments from the new subautomaton. // Add the transient assignments from the new subautomaton.
addToTransientAssignmentMap(result.transientLocationAssignments, subautomaton.transientLocationAssignments); addToTransientAssignmentMap(result.transientLocationAssignments, subautomaton.transientLocationAssignments);
// Set the used local nondeterminism variables appropriately.
// Initilize the used local nondeterminism variables appropriately.
if (automatonIndex == 0) { if (automatonIndex == 0) {
result.setLowestLocalNondeterminismVariable(subautomaton.getLowestLocalNondeterminismVariable()); result.setLowestLocalNondeterminismVariable(subautomaton.getLowestLocalNondeterminismVariable());
result.setHighestLocalNondeterminismVariable(subautomaton.getHighestLocalNondeterminismVariable()); result.setHighestLocalNondeterminismVariable(subautomaton.getHighestLocalNondeterminismVariable());
} else {
result.extendLocalNondeterminismVariables(subautomaton.localNondeterminismVariables);
} }
// Keep track of all actions of the current result that were combined with another action of the current
// automaton so we can extend the missing actions with the current automaton's identity later.
std::set<uint64_t> combinedActions;
// Compose the actions according to the synchronization vectors. // Compose the actions according to the synchronization vectors.
std::set<uint64_t> actionsInSynch; std::set<uint64_t> actionsInSynch;
for (auto const& synchVector : synchronizationVectors) {
uint64_t outputActionIndex = actionInformation.getActionIndex(synchVector.getOutput());
for (uint64_t synchVectorIndex = 0; synchVectorIndex < synchronizationVectors.size(); ++synchVectorIndex) {
auto const& synchVector = synchronizationVectors[synchVectorIndex];
// Determine the indices of input (at the current automaton position) and the output.
uint64_t inputActionIndex = actionInformation.getActionIndex(synchVector.getInput(automatonIndex)); uint64_t inputActionIndex = actionInformation.getActionIndex(synchVector.getInput(automatonIndex));
actionsInSynch.insert(inputActionIndex); actionsInSynch.insert(inputActionIndex);
@ -1144,48 +1146,45 @@ namespace storm {
// If the action cannot be found, the particular spot in the output will be left empty. // If the action cannot be found, the particular spot in the output will be left empty.
auto inputActionIt = subautomaton.actionIndexToAction.find(inputActionIndex); auto inputActionIt = subautomaton.actionIndexToAction.find(inputActionIndex);
if (inputActionIt != subautomaton.actionIndexToAction.end()) { if (inputActionIt != subautomaton.actionIndexToAction.end()) {
result.actionIndexToAction[actionInformation.getActionIndex(synchVector.getOutput())] = inputActionIt->second;
synchronizationVectorActions[synchVectorIndex] = inputActionIt->second;
} }
} else { } else {
// If there is no action in the output spot, this means that some other subcomposition did // If there is no action in the output spot, this means that some other subcomposition did
// not provide the action necessary for the synchronization vector to resolve. // not provide the action necessary for the synchronization vector to resolve.
auto outputActionIt = result.actionIndexToAction.find(outputActionIndex);
if (outputActionIt != result.actionIndexToAction.end()) {
if (synchronizationVectorActions[synchVectorIndex]) {
auto inputActionIt = subautomaton.actionIndexToAction.find(inputActionIndex); auto inputActionIt = subautomaton.actionIndexToAction.find(inputActionIndex);
if (inputActionIt != subautomaton.actionIndexToAction.end()) { if (inputActionIt != subautomaton.actionIndexToAction.end()) {
combinedActions.insert(outputActionIt->first);
outputActionIt->second = combineSynchronizingActions(outputActionIt->second, inputActionIt->second);
result.extendLocalNondeterminismVariables(outputActionIt->second.getLocalNondeterminismVariables());
synchronizationVectorActions[synchVectorIndex] = combineSynchronizingActions(synchronizationVectorActions[synchVectorIndex].get(), inputActionIt->second);
} else { } else {
// If the current subcomposition does not provide the required action for the synchronization // If the current subcomposition does not provide the required action for the synchronization
// vector, we clear the action. // vector, we clear the action.
result.actionIndexToAction.erase(outputActionIt);
synchronizationVectorActions[synchVectorIndex] = boost::none;
} }
} }
} }
} }
// Now treat all unsynchronizing actions. // Now treat all unsynchronizing actions.
for (auto const& action : subautomaton.actionIndexToAction) {
if (actionsInSynch.find(action.first) == actionsInSynch.end()) {
auto oldActionIt = result.actionIndexToAction.find(action.first);
combinedActions.insert(action.first);
if (oldActionIt != result.actionIndexToAction.end()) {
oldActionIt->second = combineUnsynchronizedActions(oldActionIt->second, action.second, result.identity, subautomaton.identity);
result.extendLocalNondeterminismVariables(oldActionIt->second.getLocalNondeterminismVariables());
} else {
// Extend the action with the identity of the previous composition.
result.actionIndexToAction[action.first] = ActionDd(action.second.guard, action.second.transitions * result.identity, action.second.transientEdgeAssignments, action.second.localNondeterminismVariables, action.second.variableToWritingFragment, action.second.illegalFragment);
if (automatonIndex == 0) {
// Since it's the first automaton, there is nothing to combine.
for (auto const& action : subautomaton.actionIndexToAction) {
if (actionsInSynch.find(action.first) == actionsInSynch.end()) {
nonSynchronizingActions[action.first].push_back(action.second);
} }
} }
}
// If it's not the first automaton we are treating, then we need to add the current automaton's
// identity to all actions that were not yet combined with another action.
if (automatonIndex == 0) {
for (auto& action : result.actionIndexToAction) {
if (combinedActions.find(action.first) == combinedActions.end()) {
result.actionIndexToAction[action.first] = ActionDd(action.second.guard, action.second.transitions * subautomaton.identity, action.second.transientEdgeAssignments, action.second.localNondeterminismVariables, action.second.variableToWritingFragment, action.second.illegalFragment);
} else {
// Extend all other non-synchronizing actions with the identity of the current subautomaton.
for (auto& actions : nonSynchronizingActions) {
for (auto& action : actions.second) {
action.transitions *= subautomaton.identity;
}
}
// Extend the actions of the current subautomaton with the identity of the previous system and
// add it to the overall non-synchronizing action result.
for (auto const& action : subautomaton.actionIndexToAction) {
if (actionsInSynch.find(action.first) == actionsInSynch.end()) {
nonSynchronizingActions[action.first].push_back(action.second.multiplyTransitions(result.identity));
} }
} }
} }
@ -1194,6 +1193,31 @@ namespace storm {
result.identity *= subautomaton.identity; result.identity *= subautomaton.identity;
} }
// Add the results of the synchronization vectors to that of the non-synchronizing actions.
for (uint64_t synchVectorIndex = 0; synchVectorIndex < synchronizationVectors.size(); ++synchVectorIndex) {
auto const& synchVector = synchronizationVectors[synchVectorIndex];
// If there is an action resulting from this combination of actions, add it to the output action.
if (synchronizationVectorActions[synchVectorIndex]) {
uint64_t outputActionIndex = actionInformation.getActionIndex(synchVector.getOutput());
nonSynchronizingActions[outputActionIndex].push_back(synchronizationVectorActions[synchVectorIndex].get());
}
}
// Now that we have built the individual action DDs for all resulting actions, we need to combine them
// in an unsynchronizing way.
for (auto const& nonSynchronizingActionDds : nonSynchronizingActions) {
std::vector<ActionDd> const& actionDds = nonSynchronizingActionDds.second;
if (actionDds.size() > 1) {
ActionDd combinedAction = combineUnsynchronizedActions(actionDds);
result.actionIndexToAction[nonSynchronizingActionDds.first] = combinedAction;
result.extendLocalNondeterminismVariables(combinedAction.getLocalNondeterminismVariables());
} else {
result.actionIndexToAction[nonSynchronizingActionDds.first] = actionDds.front();
result.extendLocalNondeterminismVariables(actionDds.front().getLocalNondeterminismVariables());
}
}
return result; return result;
} }
@ -1237,56 +1261,67 @@ namespace storm {
} }
ActionDd combineUnsynchronizedActions(ActionDd action1, ActionDd action2) { ActionDd combineUnsynchronizedActions(ActionDd action1, ActionDd action2) {
return combineUnsynchronizedActions({action1, action2});
}
ActionDd combineUnsynchronizedActions(std::vector<ActionDd> actions) {
STORM_LOG_TRACE("Combining unsynchronized actions."); STORM_LOG_TRACE("Combining unsynchronized actions.");
if (this->model.getModelType() == storm::jani::ModelType::DTMC || this->model.getModelType() == storm::jani::ModelType::CTMC) { if (this->model.getModelType() == storm::jani::ModelType::DTMC || this->model.getModelType() == storm::jani::ModelType::CTMC) {
return ActionDd(action1.guard + action2.guard, action1.transitions + action2.transitions, joinTransientAssignmentMaps(action1.transientEdgeAssignments, action2.transientEdgeAssignments), std::make_pair<uint64_t, uint64_t>(0, 0), joinVariableWritingFragmentMaps(action1.variableToWritingFragment, action2.variableToWritingFragment), this->variables.manager->getBddZero());
auto actionIt = actions.begin();
ActionDd result(*actionIt);
for (++actionIt; actionIt != actions.end(); ++actionIt) {
result = ActionDd(result.guard + actionIt->guard, result.transitions + actionIt->transitions, joinTransientAssignmentMaps(result.transientEdgeAssignments, actionIt->transientEdgeAssignments), std::make_pair<uint64_t, uint64_t>(0, 0), joinVariableWritingFragmentMaps(result.variableToWritingFragment, actionIt->variableToWritingFragment), result.illegalFragment || actionIt->illegalFragment);
}
return result;
} else if (this->model.getModelType() == storm::jani::ModelType::MDP) { } else if (this->model.getModelType() == storm::jani::ModelType::MDP) {
if (action1.transitions.isZero()) {
return action2;
} else if (action2.transitions.isZero()) {
return action1;
// Ensure that all actions start at the same local nondeterminism variable.
uint_fast64_t lowestLocalNondeterminismVariable = actions.front().getLowestLocalNondeterminismVariable();
uint_fast64_t highestLocalNondeterminismVariable = actions.front().getHighestLocalNondeterminismVariable();
for (auto const& action : actions) {
STORM_LOG_ASSERT(action.getLowestLocalNondeterminismVariable() == lowestLocalNondeterminismVariable, "Mismatching lowest nondeterminism variable indices.");
} }
// Bring both choices to the same number of variables that encode the nondeterminism.
STORM_LOG_ASSERT(action1.getLowestLocalNondeterminismVariable() == action2.getLowestLocalNondeterminismVariable(), "Mismatching lowest nondeterminism variable indices.");
uint_fast64_t highestLocalNondeterminismVariable = std::max(action1.getHighestLocalNondeterminismVariable(), action2.getHighestLocalNondeterminismVariable());
if (action1.getHighestLocalNondeterminismVariable() > action2.getHighestLocalNondeterminismVariable()) {
// Bring all actions to the same number of variables that encode the nondeterminism.
for (auto& action : actions) {
storm::dd::Add<Type, ValueType> nondeterminismEncoding = this->variables.manager->template getAddOne<ValueType>(); storm::dd::Add<Type, ValueType> nondeterminismEncoding = this->variables.manager->template getAddOne<ValueType>();
for (uint_fast64_t i = action2.getHighestLocalNondeterminismVariable(); i < action1.getHighestLocalNondeterminismVariable(); ++i) {
for (uint_fast64_t i = action.getHighestLocalNondeterminismVariable(); i < highestLocalNondeterminismVariable; ++i) {
nondeterminismEncoding *= this->variables.manager->getEncoding(this->variables.localNondeterminismVariables[i], 0).template toAdd<ValueType>(); nondeterminismEncoding *= this->variables.manager->getEncoding(this->variables.localNondeterminismVariables[i], 0).template toAdd<ValueType>();
} }
action2.transitions *= nondeterminismEncoding;
action.transitions *= nondeterminismEncoding;
for (auto& transientAssignment : action2.transientEdgeAssignments) {
transientAssignment.second *= nondeterminismEncoding;
}
} else if (action2.getHighestLocalNondeterminismVariable() > action1.getHighestLocalNondeterminismVariable()) {
storm::dd::Add<Type, ValueType> nondeterminismEncoding = this->variables.manager->template getAddOne<ValueType>();
for (uint_fast64_t i = action1.getHighestLocalNondeterminismVariable(); i < action2.getHighestLocalNondeterminismVariable(); ++i) {
nondeterminismEncoding *= this->variables.manager->getEncoding(this->variables.localNondeterminismVariables[i], 0).template toAdd<ValueType>();
}
action1.transitions *= nondeterminismEncoding;
for (auto& transientAssignment : action1.transientEdgeAssignments) {
for (auto& transientAssignment : action.transientEdgeAssignments) {
transientAssignment.second *= nondeterminismEncoding; transientAssignment.second *= nondeterminismEncoding;
} }
} }
// Add a new variable that resolves the nondeterminism between the two choices.
storm::dd::Add<Type, ValueType> combinedTransitions = this->variables.manager->getEncoding(this->variables.localNondeterminismVariables[highestLocalNondeterminismVariable], 1).ite(action2.transitions, action1.transitions);
// Add the new variable to the writing fragments of each global variable before joining them.
for (auto& entry : action1.variableToWritingFragment) {
entry.second = this->variables.manager->getEncoding(this->variables.localNondeterminismVariables[highestLocalNondeterminismVariable], 0) && entry.second;
}
for (auto& entry : action2.variableToWritingFragment) {
entry.second = this->variables.manager->getEncoding(this->variables.localNondeterminismVariables[highestLocalNondeterminismVariable], 1) && entry.second;
uint64_t numberOfLocalNondeterminismVariables = static_cast<uint64_t>(std::ceil(std::log2(actions.size())));
storm::dd::Bdd<Type> guard = this->variables.manager->getBddZero();
storm::dd::Add<Type, ValueType> transitions = this->variables.manager->template getAddZero<ValueType>();
std::map<storm::expressions::Variable, storm::dd::Add<Type, ValueType>> transientEdgeAssignments;
std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> variableToWritingFragment;
storm::dd::Bdd<Type> illegalFragment = this->variables.manager->getBddZero();
for (uint64_t actionIndex = 0; actionIndex < actions.size(); ++actionIndex) {
ActionDd& action = actions[actionIndex];
guard |= action.guard.toBdd();
storm::dd::Add<Type, ValueType> nondeterminismEncoding = encodeIndex(actionIndex, highestLocalNondeterminismVariable, numberOfLocalNondeterminismVariables, this->variables);
transitions += nondeterminismEncoding * action.transitions;
joinTransientAssignmentMaps(transientEdgeAssignments, action.transientEdgeAssignments);
storm::dd::Bdd<Type> nondeterminismEncodingBdd = nondeterminismEncoding.toBdd();
for (auto& entry : action.variableToWritingFragment) {
entry.second &= nondeterminismEncodingBdd;
}
addToVariableWritingFragmentMap(variableToWritingFragment, action.variableToWritingFragment);
illegalFragment |= action.illegalFragment;
} }
return ActionDd((action1.guard.toBdd() || action2.guard.toBdd()).template toAdd<ValueType>(), combinedTransitions, joinTransientAssignmentMaps(action1.transientEdgeAssignments, action2.transientEdgeAssignments), std::make_pair(action1.getLowestLocalNondeterminismVariable(), highestLocalNondeterminismVariable + 1), joinVariableWritingFragmentMaps(action1.variableToWritingFragment, action2.variableToWritingFragment), action1.illegalFragment || action2.illegalFragment);
return ActionDd(guard.template toAdd<ValueType>(), transitions, transientEdgeAssignments, std::make_pair(lowestLocalNondeterminismVariable, highestLocalNondeterminismVariable + numberOfLocalNondeterminismVariables), variableToWritingFragment, illegalFragment);
} else { } else {
STORM_LOG_THROW(false, storm::exceptions::InvalidStateException, "Illegal model type."); STORM_LOG_THROW(false, storm::exceptions::InvalidStateException, "Illegal model type.");
} }
@ -1523,7 +1558,13 @@ namespace storm {
globalVariableToWritingFragment.emplace(variable, partToAdd); globalVariableToWritingFragment.emplace(variable, partToAdd);
} }
} }
void addToVariableWritingFragmentMap(std::map<storm::expressions::Variable, storm::dd::Bdd<Type>>& globalVariableToWritingFragment, std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> const& partToAdd) const {
for (auto const& entry : partToAdd) {
addToVariableWritingFragmentMap(globalVariableToWritingFragment, entry.first, entry.second);
}
}
std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> joinVariableWritingFragmentMaps(std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> const& globalVariableToWritingFragment1, std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> const& globalVariableToWritingFragment2) { std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> joinVariableWritingFragmentMaps(std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> const& globalVariableToWritingFragment1, std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> const& globalVariableToWritingFragment2) {
std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> result = globalVariableToWritingFragment1; std::map<storm::expressions::Variable, storm::dd::Bdd<Type>> result = globalVariableToWritingFragment1;

59
test/functional/builder/DdJaniModelBuilderTest.cpp
View File

@ -7,6 +7,7 @@
#include "src/storage/dd/Add.h" #include "src/storage/dd/Add.h"
#include "src/storage/dd/Bdd.h" #include "src/storage/dd/Bdd.h"
#include "src/storage/SymbolicModelDescription.h" #include "src/storage/SymbolicModelDescription.h"
#include "src/storage/jani/Compositions.h"
#include "src/models/symbolic/StandardRewardModel.h" #include "src/models/symbolic/StandardRewardModel.h"
#include "src/parser/PrismParser.h" #include "src/parser/PrismParser.h"
@ -300,4 +301,60 @@ TEST(DdJaniModelBuilderTest_Cudd, IllegalSynchronizingWrites) {
storm::jani::Model janiModel = modelDescription.toJani(true).preprocess().asJaniModel(); storm::jani::Model janiModel = modelDescription.toJani(true).preprocess().asJaniModel();
storm::builder::DdJaniModelBuilder<storm::dd::DdType::CUDD, double> builder; storm::builder::DdJaniModelBuilder<storm::dd::DdType::CUDD, double> builder;
EXPECT_THROW(std::shared_ptr<storm::models::symbolic::Model<storm::dd::DdType::CUDD>> model = builder.build(janiModel), storm::exceptions::WrongFormatException); EXPECT_THROW(std::shared_ptr<storm::models::symbolic::Model<storm::dd::DdType::CUDD>> model = builder.build(janiModel), storm::exceptions::WrongFormatException);
}
}
TEST(DdJaniModelBuilderTest_Sylvan, IllegalSynchronizingWrites) {
storm::storage::SymbolicModelDescription modelDescription = storm::parser::PrismParser::parse(STORM_CPP_TESTS_BASE_PATH "/functional/builder/coin2-2-illegalSynchronizingWrite.nm");
storm::jani::Model janiModel = modelDescription.toJani(true).preprocess().asJaniModel();
storm::builder::DdJaniModelBuilder<storm::dd::DdType::Sylvan, double> builder;
EXPECT_THROW(std::shared_ptr<storm::models::symbolic::Model<storm::dd::DdType::Sylvan>> model = builder.build(janiModel), storm::exceptions::WrongFormatException);
}
TEST(DdJaniModelBuilderTest_Cudd, SynchronizationVectors) {
storm::storage::SymbolicModelDescription modelDescription = storm::parser::PrismParser::parse(STORM_CPP_TESTS_BASE_PATH "/functional/builder/SmallPrismTest.nm");
storm::jani::Model janiModel = modelDescription.toJani(true).preprocess().asJaniModel();
storm::builder::DdJaniModelBuilder<storm::dd::DdType::CUDD, double> builder;
// Start by checking the original composition.
std::shared_ptr<storm::models::symbolic::Model<storm::dd::DdType::CUDD>> model = builder.build(janiModel);
EXPECT_EQ(7ul, model->getNumberOfStates());
EXPECT_EQ(10ul, model->getNumberOfTransitions());
// Now we tweak it's system composition to check whether synchronization vectors work.
std::vector<std::shared_ptr<storm::jani::Composition>> automataCompositions;
automataCompositions.push_back(std::make_shared<storm::jani::AutomatonComposition>("one"));
automataCompositions.push_back(std::make_shared<storm::jani::AutomatonComposition>("two"));
automataCompositions.push_back(std::make_shared<storm::jani::AutomatonComposition>("three"));
// First, make all actions non-synchronizing.
std::vector<storm::jani::SynchronizationVector> synchronizationVectors;
std::shared_ptr<storm::jani::Composition> newComposition = std::make_shared<storm::jani::ParallelComposition>(automataCompositions, synchronizationVectors);
janiModel.setSystemComposition(newComposition);
model = builder.build(janiModel);
EXPECT_EQ(24ul, model->getNumberOfStates());
EXPECT_EQ(48ul, model->getNumberOfTransitions());
// Then, make only a, b and c synchronize.
std::vector<std::string> inputVector;
inputVector.push_back("a");
inputVector.push_back("b");
inputVector.push_back("c");
synchronizationVectors.push_back(storm::jani::SynchronizationVector(inputVector, "d"));
newComposition = std::make_shared<storm::jani::ParallelComposition>(automataCompositions, synchronizationVectors);
janiModel.setSystemComposition(newComposition);
model = builder.build(janiModel);
EXPECT_EQ(7ul, model->getNumberOfStates());
EXPECT_EQ(10ul, model->getNumberOfTransitions());
inputVector.clear();
inputVector.push_back("c");
inputVector.push_back("c");
inputVector.push_back("a");
synchronizationVectors.push_back(storm::jani::SynchronizationVector(inputVector, "d"));
newComposition = std::make_shared<storm::jani::ParallelComposition>(automataCompositions, synchronizationVectors);
janiModel.setSystemComposition(newComposition);
model = builder.build(janiModel);
EXPECT_EQ(3ul, model->getNumberOfStates());
EXPECT_EQ(3ul, model->getNumberOfTransitions());
}

27
test/functional/builder/SmallPrismTest.nm
View File

@ -0,0 +1,27 @@
mdp
module one
s1 : [0 .. 3];
[a] s1=0 -> (s1'=1);
[c] s1=1 -> (s1'=2);
[d] s1=1 -> (s1'=3);
endmodule
module two
s2 : [0 .. 2];
[b] s2=0 -> (s2'=1);
[c] s2=1 -> (s2'=2);
endmodule
module three
s3 : [0 .. 1];
[c] s3=0 -> (s3'=1);
endmodule
// (one || two || three)[(a, b, c) -> d, (c, c, a) -> a]
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