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Replace transformation to State Vector with transformation in map

tempestpy_adaptions
Jip Spel 6 years ago
parent
80cf0982a9
commit
d2e754c302
1 changed files with 30 additions and 35 deletions
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  1. 65
      src/storm-pars/analysis/Lattice.h

65
src/storm-pars/analysis/Lattice.h
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@ -142,66 +142,67 @@ namespace storm {
// Transform to Lattice
auto matrix = sparseModel.get()->getTransitionMatrix();
// Transform the transition matrix into a vector containing the states with the state to which the transition goes.
std::vector <State*> stateVector = std::vector<State *>({});
std::map<uint_fast64_t, storm::storage::BitVector> stateMap;
for (uint_fast64_t i = 0; i < numberOfStates; ++i) {
State* state = new State();
state->stateNumber = i;
stateMap[i] = storm::storage::BitVector(numberOfStates, false);
auto row = matrix.getRow(i);
if ((*(row.begin())).getValue() != ValueType(1)) {
STORM_LOG_THROW((row.begin() + 2) == row.end(), storm::exceptions::NotSupportedException, "Only two outgoing transitions per state allowed");
state->successor1 = (*(row.begin())).getColumn();
state->successor2 = (*(++row.begin())).getColumn();
} else {
state-> successor1 = (*(row.begin())).getColumn();
state-> successor2 = (*(row.begin())).getColumn();
for (auto rowItr = row.begin(); rowItr != row.end(); ++rowItr) {
stateMap[i].set(rowItr->getColumn(), true);
}
stateVector.push_back(state);
// TODO: allow more than 2 transitions
STORM_LOG_THROW(stateMap[i].getNumberOfSetBits() <= 2, storm::exceptions::NotSupportedException, "Only two outgoing transitions per state allowed");
}
// Start creating the Lattice
storm::analysis::Lattice *lattice = new storm::analysis::Lattice(topStates, bottomStates, numberOfStates);
storm::storage::BitVector oldStates(numberOfStates);
// Create a copy of the states already present in the lattice.
storm::storage::BitVector seenStates = topStates|= bottomStates;
matrix.printAsMatlabMatrix(std::cout);
while (oldStates != seenStates) {
// As long as new states are added to the lattice, continue.
oldStates = storm::storage::BitVector(seenStates);
for (auto itr = stateVector.begin(); itr != stateVector.end(); ++itr) {
for (auto stateItr = stateMap.begin(); stateItr != stateMap.end(); ++stateItr) {
// Iterate over all states
State *currentState = *itr;
auto stateNumber = stateItr->first;
storm::storage::BitVector successors = stateItr->second;
if (!seenStates[currentState->stateNumber]
&& seenStates[currentState->successor1]
&& seenStates[currentState->successor2]) {
// Check if current state has not been added yet, and all successors have
bool check = !seenStates[stateNumber];
for (auto succIndex = successors.getNextSetIndex(0); check && succIndex != numberOfStates; succIndex = successors.getNextSetIndex(++succIndex)) {
check &= seenStates[succIndex];
}
if (check && successors.getNumberOfSetBits() == 1) {
// As there is only one successor the current state and its successor must be at the same nodes.
lattice->addToNode(stateNumber, lattice->getNode(successors.getNextSetIndex(0)));
seenStates.set(stateNumber);
} else if (check && successors.getNumberOfSetBits() > 1) {
// TODO: allow more than 2 transitions
// Otherwise, check how the two states compare, and add if the comparison is possible.
uint_fast64_t successor1 = currentState->successor1;
uint_fast64_t successor2 = currentState->successor2;
uint_fast64_t successor1 = successors.getNextSetIndex(0);
uint_fast64_t successor2 = successors.getNextSetIndex(successor1 + 1);
int compareResult = lattice->compare(successor1, successor2);
if (compareResult == 1) {
// successor 1 is closer to top than successor 2
lattice->addBetween(currentState->stateNumber, lattice->getNode(successor1),
lattice->addBetween(stateNumber, lattice->getNode(successor1),
lattice->getNode(successor2));
} else if (compareResult == 2) {
// successor 2 is closer to top than successor 1
lattice->addBetween(currentState->stateNumber, lattice->getNode(successor2),
lattice->addBetween(stateNumber, lattice->getNode(successor2),
lattice->getNode(successor1));
} else if (compareResult == 0) {
// the successors are at the same level
lattice->addToNode(currentState->stateNumber, lattice->getNode(successor1));
lattice->addToNode(stateNumber, lattice->getNode(successor1));
} else {
// TODO: is this what we want?
lattice->add(currentState->stateNumber);
lattice->add(stateNumber);
}
seenStates.set(currentState->stateNumber);
seenStates.set(stateNumber);
}
}
}
@ -210,12 +211,6 @@ namespace storm {
}
private:
struct State {
uint_fast64_t stateNumber;
uint_fast64_t successor1;
uint_fast64_t successor2;
};
std::vector<Node*> nodes;
Node* top;

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