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modularised diagonal-prob entrie delete and skipped zero loops in cycle identification

main
Timo Philipp Gros 8 years ago
parent
fcc997a52d
commit
253b34ce09
2 changed files with 47 additions and 40 deletions
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  1. 77
      src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.cpp
  2. 4
      src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.h

77
src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.cpp
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@ -162,7 +162,7 @@ namespace storm {
logfile << "probStates\tmarkovianStates\tgoalStates\tcycleStates\tcycleGoalStates\n";
for (int i =0 ; i< markovianStates.size() ; i++){
logfile << (~markovianStates)[i] << "\t" << markovianStates[i] << "\t" << psiStates[i] << "\t" << cycleStates[i] << "\t" << cycleGoalStates[i] << "\n";
logfile << (~markovianStates)[i] << "\t\t" << markovianStates[i] << "\t\t" << psiStates[i] << "\t\t" << cycleStates[i] << "\t\t" << cycleGoalStates[i] << "\n";
}
@ -369,6 +369,9 @@ namespace storm {
for(uint64_t i =from; i<to ; i++ ) {
for(auto element : transitionMatrix.getRow(i)){
if (element.getValue()==0){
continue;
}
if (disc[element.getColumn()]==0){
uint64_t back = trajans(transitionMatrix,element.getColumn(),disc,finish, counter);
finish[node]=std::min(finish[node], back);
@ -423,11 +426,6 @@ namespace storm {
}
}
std::cout << "giving the circle vectors \n";
for (uint64_t i = 0 ; i<probSize; i++){
std::cout << disc[i] << '\t' << finish[i] << "\n";
}
storm::storage::BitVector cycleStates(markovianStates.size(), false);
for (int i = 0 ; i< finish.size() ; i++){
@ -443,36 +441,12 @@ namespace storm {
return cycleStates;
}
template <typename ValueType>
std::vector<ValueType> SparseMarkovAutomatonCslHelper::deleteProbDiagonalEntries(storm::storage::SparseMatrix<ValueType>& transitionMatrix, storm::storage::BitVector const& markovianStates){
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseMarkovAutomatonCslHelper::unifPlus(OptimizationDirection dir, std::pair<double, double> const& boundsPair, std::vector<ValueType> const& exitRateVector, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates){
STORM_LOG_TRACE("Using UnifPlus to compute bounded until probabilities.");
storm::storage::BitVector const& probabilisticNonGoalStates = ~markovianStates & ~psiStates;
auto cycleStates = identifyProbCycles(transitionMatrix, markovianStates, psiStates);
auto cycleGoals = identifyProbCyclesGoalStates(transitionMatrix, cycleStates);
std::ofstream logfile("U+logfile.txt", std::ios::app);
ValueType maxNorm = 0;
//bitvectors to identify different kind of states
// storm::storage::BitVector const &markovianNonGoalStates = markovianStates & ~psiStates;
// storm::storage::BitVector const &probabilisticNonGoalStates = ~markovianStates & ~psiStates;
storm::storage::BitVector allStates(markovianStates.size(), true);
//vectors to save calculation
std::vector<std::vector<ValueType>> vd,vu,wu;
printTransitions(exitRateVector, transitionMatrix, markovianStates, psiStates, cycleStates, cycleGoals, vd,vu,wu); // TODO: delete when develepmont is finished
//transition matrix with diagonal entries. The values can be changed during uniformisation
std::vector<ValueType> exitRate{exitRateVector};
typename storm::storage::SparseMatrix<ValueType> fullTransitionMatrix = transitionMatrix.getSubmatrix(true, allStates , allStates , true);
auto rowGroupIndices = fullTransitionMatrix.getRowGroupIndices();
auto const& rowGroupIndices = transitionMatrix.getRowGroupIndices();
//delete prob-diagonal entries
for (uint64_t i =0; i<fullTransitionMatrix.getRowGroupCount(); i++) {
for (uint64_t i =0; i<transitionMatrix.getRowGroupCount(); i++) {
if (markovianStates[i]) {
continue;
}
@ -480,7 +454,7 @@ namespace storm {
auto to = rowGroupIndices[i + 1];
for (uint64_t j = from; j < to; j++) {
ValueType selfLoop = 0;
for (auto& element: fullTransitionMatrix.getRow(j)){
for (auto& element: transitionMatrix.getRow(j)){
if (element.getColumn()==i){
selfLoop = element.getValue();
}
@ -488,7 +462,7 @@ namespace storm {
if (selfLoop==0){
continue;
}
for (auto& element : fullTransitionMatrix.getRow(j)){
for (auto& element : transitionMatrix.getRow(j)){
if (element.getColumn()!=i && selfLoop!=1){
element.setValue(element.getValue()/(1-selfLoop));
} else {
@ -497,6 +471,34 @@ namespace storm {
}
}
}
}
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
std::vector<ValueType> SparseMarkovAutomatonCslHelper::unifPlus(OptimizationDirection dir, std::pair<double, double> const& boundsPair, std::vector<ValueType> const& exitRateVector, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates){
STORM_LOG_TRACE("Using UnifPlus to compute bounded until probabilities.");
std::ofstream logfile("U+logfile.txt", std::ios::app);
ValueType maxNorm = 0;
//bitvectors to identify different kind of states
storm::storage::BitVector allStates(markovianStates.size(), true);
//vectors to save calculation
std::vector<std::vector<ValueType>> vd,vu,wu;
//transition matrix with diagonal entries. The values can be changed during uniformisation
std::vector<ValueType> exitRate{exitRateVector};
typename storm::storage::SparseMatrix<ValueType> fullTransitionMatrix = transitionMatrix.getSubmatrix(true, allStates , allStates , true);
auto rowGroupIndices = fullTransitionMatrix.getRowGroupIndices();
//delete prob-diagonal entries
deleteProbDiagonalEntries(fullTransitionMatrix, markovianStates);
//identify cycles and cycleGoals
auto cycleStates = identifyProbCycles(transitionMatrix, markovianStates, psiStates);
auto cycleGoals = identifyProbCyclesGoalStates(transitionMatrix, cycleStates);
//(1) define horizon, epsilon, kappa , N, lambda,
@ -550,6 +552,7 @@ namespace storm {
vu = std::vector<std::vector<ValueType>> (N + 1, init);
wu = std::vector<std::vector<ValueType>> (N + 1, init);
printTransitions(exitRateVector, transitionMatrix, markovianStates, psiStates, cycleStates, cycleGoals, vd,vu,wu); // TODO: delete when develepmont is finished
// (5) calculate vectors and maxNorm
for (uint64_t i = 0; i < numberOfStates; i++) {
@ -562,7 +565,7 @@ namespace storm {
maxNorm = std::max(maxNorm, diff);
}
}
//printTransitions(exitRate, fullTransitionMatrix, markovianStates,vd,vu,wu); // TODO: delete when development is finished
printTransitions(exitRateVector, transitionMatrix, markovianStates, psiStates, cycleStates, cycleGoals, vd,vu,wu); // TODO: delete when develepmont is finished
// (6) double lambda

4
src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.h
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@ -68,6 +68,10 @@ namespace storm {
return id-1;
}
template <typename ValueType>
static std::vector<ValueType> deleteProbDiagonalEntries(storm::storage::SparseMatrix<ValueType>& transitionMatrix, storm::storage::BitVector const& markovianStates);
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static storm::storage::BitVector identifyProbCyclesGoalStates(storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::BitVector const& cycleStates);

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