DftToGspnTransformator.cpp

Go to the documentation of this file.

#include "DftToGspnTransformator.h"
#include <memory>
#include "storm/exceptions/NotImplementedException.h"
 
namespace storm::dft {
namespace transformations {
 
// Prevent some magic constants
static constexpr uint64_t defaultCapacity = 1;
 
template<typename ValueType>
DftToGspnTransformator<ValueType>::DftToGspnTransformator(storm::dft::storage::DFT<ValueType> const &dft) : mDft(dft) {
    // Intentionally left empty.
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::transform(std::map<uint64_t, uint64_t> const &priorities, std::set<uint64_t> const &dontCareElements, bool smart,
                                                  bool mergeDCFailed, bool extendPriorities) {
    this->priorities = priorities;
    this->dontCareElements = dontCareElements;
    this->smart = smart;
    this->mergedDCFailed = mergeDCFailed;
    this->dontCarePriority = 1;
    this->extendedPriorities = extendPriorities;
    builder.setGspnName("DftToGspnTransformation");
 
    // Translate all GSPN elements
    translateGSPNElements();
 
    // Create initial template
    // TODO
}
 
template<typename ValueType>
std::map<uint64_t, uint64_t> DftToGspnTransformator<ValueType>::computePriorities(bool extendedPrio) {
    std::map<uint64_t, uint64_t> priorities;
    if (!extendedPrio) {
        // Set priority for PDEP and FDEP according to Monolithic MA semantics
        uint64_t dependency_priority = 2;
        for (std::size_t i = 0; i < mDft.nrElements(); i++) {
            if (mDft.getElement(i)->type() == storm::dft::storage::elements::DFTElementType::PDEP) {
                priorities[i] = dependency_priority;
            } else {
                priorities[i] = (-(mDft.getElement(i)->rank()) + mDft.maxRank()) * 2 + 5;
            }
        }
    } else {
        // Define some variables
        uint64_t maxNrOfChildren = 0;
        uint64_t maxNrDependentEvents = 0;
        // Iterate over all elements of the DFT and sort them into the list
        std::list<size_t> elementList;
        for (std::size_t i = 0; i < mDft.nrElements(); i++) {
            if (mDft.getElement(i)->type() == storm::dft::storage::elements::DFTElementType::PDEP) {
                // For dependencies, get the maximal number of dependent events
                auto dependency = std::static_pointer_cast<storm::dft::storage::elements::DFTDependency<ValueType> const>(mDft.getElement(i));
                uint64_t nrDependentEvents = (dependency->dependentEvents()).size();
                if (nrDependentEvents > maxNrDependentEvents) {
                    maxNrDependentEvents = nrDependentEvents;
                }
            }
            // Get the maximum number of children/ SPAREs need additional transitions
 
            uint64_t nrChildren = mDft.getElement(i)->nrChildren();
            if (mDft.getElement(i)->type() == storm::dft::storage::elements::DFTElementType::SPARE) {
                nrChildren *= 4;
            }
            if (maxNrOfChildren < nrChildren) {
                maxNrOfChildren = nrChildren;
            }
            // Organize the elements according to their rank
            if (!elementList.empty()) {
                std::list<size_t>::iterator it = elementList.begin();
                // Make sure dependencies are always in the front
                while ((mDft.getElement(*it)->rank()) < (mDft.getElement(i)->rank()) ||
                       mDft.getElement(*it)->type() == storm::dft::storage::elements::DFTElementType::PDEP) {
                    it++;
                }
                elementList.insert(it, i);
            } else {
                elementList.push_back(i);
            }
        }
        // Get the necessary length for priority intervals
        // Note that additional priorities are necessary
        uint64_t priorityIntervalLength = std::max(maxNrDependentEvents, maxNrOfChildren) + 4;
 
        // Define a running variable for the current priority
        // Initialize it with an offset for the DC priorities + first interval length as prios give upper interval limit
        uint64_t currentPrio = mDft.nrElements() + priorityIntervalLength;
        // TODO Dependencies have to have same priority
        for (std::list<size_t>::iterator it = elementList.begin(); it != elementList.end(); ++it) {
            priorities[*it] = currentPrio;
            currentPrio += priorityIntervalLength;
        }
    }
 
    return priorities;
}
 
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::toplevelFailedPlaceId() {
    STORM_LOG_ASSERT(failedPlaces.size() > mDft.getTopLevelIndex(), "Failed place for top level element does not exist.");
    return failedPlaces.at(mDft.getTopLevelIndex());
}
 
template<typename ValueType>
gspn::GSPN *DftToGspnTransformator<ValueType>::obtainGSPN() {
    return builder.buildGspn();
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateGSPNElements() {
    // Loop through every DFT element and create its corresponding GSPN template.
    for (std::size_t i = 0; i < mDft.nrElements(); i++) {
        auto dftElement = mDft.getElement(i);
 
        // Check which type the element is and call the corresponding translate-function.
        switch (dftElement->type()) {
            case storm::dft::storage::elements::DFTElementType::BE:
                translateBE(std::static_pointer_cast<storm::dft::storage::elements::DFTBE<ValueType> const>(dftElement));
                break;
            case storm::dft::storage::elements::DFTElementType::AND:
                translateAND(std::static_pointer_cast<storm::dft::storage::elements::DFTAnd<ValueType> const>(dftElement));
                break;
            case storm::dft::storage::elements::DFTElementType::OR:
                translateOR(std::static_pointer_cast<storm::dft::storage::elements::DFTOr<ValueType> const>(dftElement));
                break;
            case storm::dft::storage::elements::DFTElementType::VOT:
                translateVOT(std::static_pointer_cast<storm::dft::storage::elements::DFTVot<ValueType> const>(dftElement));
                break;
            case storm::dft::storage::elements::DFTElementType::PAND:
                translatePAND(std::static_pointer_cast<storm::dft::storage::elements::DFTPand<ValueType> const>(dftElement),
                              std::static_pointer_cast<storm::dft::storage::elements::DFTPand<ValueType> const>(dftElement)->isInclusive());
                break;
            case storm::dft::storage::elements::DFTElementType::POR:
                translatePOR(std::static_pointer_cast<storm::dft::storage::elements::DFTPor<ValueType> const>(dftElement),
                             std::static_pointer_cast<storm::dft::storage::elements::DFTPor<ValueType> const>(dftElement)->isInclusive());
                break;
            case storm::dft::storage::elements::DFTElementType::SPARE:
                translateSPARE(std::static_pointer_cast<storm::dft::storage::elements::DFTSpare<ValueType> const>(dftElement));
                break;
            case storm::dft::storage::elements::DFTElementType::PDEP:
                translatePDEP(std::static_pointer_cast<storm::dft::storage::elements::DFTDependency<ValueType> const>(dftElement));
                break;
            case storm::dft::storage::elements::DFTElementType::SEQ:
                translateSeq(std::static_pointer_cast<storm::dft::storage::elements::DFTSeq<ValueType> const>(dftElement));
                break;
            default:
                STORM_LOG_THROW(false, storm::exceptions::InvalidArgumentException, "DFT type '" << dftElement->type() << "' not known.");
                break;
        }
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateBE(std::shared_ptr<storm::dft::storage::elements::DFTBE<ValueType> const> dftBE) {
    switch (dftBE->beType()) {
        case storm::dft::storage::elements::BEType::CONSTANT:
            translateBEConst(std::static_pointer_cast<storm::dft::storage::elements::BEConst<ValueType> const>(dftBE));
            break;
        case storm::dft::storage::elements::BEType::EXPONENTIAL:
            translateBEExponential(std::static_pointer_cast<storm::dft::storage::elements::BEExponential<ValueType> const>(dftBE));
            break;
        default:
            STORM_LOG_THROW(false, storm::exceptions::InvalidArgumentException, "BE type '" << dftBE->beType() << "' not known.");
            break;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateBEExponential(std::shared_ptr<storm::dft::storage::elements::BEExponential<ValueType> const> dftBE) {
    double xcenter = mDft.getElementLayoutInfo(dftBE->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftBE->id()).y;
 
    uint64_t failedPlace = addFailedPlace(dftBE, storm::gspn::LayoutInfo(xcenter + 3.0, ycenter));
 
    uint64_t activePlace = builder.addPlace(defaultCapacity, isActiveInitially(dftBE) ? 1 : 0, dftBE->name() + STR_ACTIVATED);
    activePlaces.emplace(dftBE->id(), activePlace);
    builder.setPlaceLayoutInfo(activePlace, storm::gspn::LayoutInfo(xcenter - 3.0, ycenter));
    uint64_t tActive = builder.addTimedTransition(getFailPriority(dftBE), dftBE->activeFailureRate(), dftBE->name() + "_activeFailing");
    builder.setTransitionLayoutInfo(tActive, storm::gspn::LayoutInfo(xcenter, ycenter + 3.0));
    builder.addInputArc(activePlace, tActive);
    builder.addInhibitionArc(failedPlace, tActive);
    builder.addOutputArc(tActive, activePlace);
    builder.addOutputArc(tActive, failedPlace);
 
    uint64_t tPassive = builder.addTimedTransition(getFailPriority(dftBE), dftBE->passiveFailureRate(), dftBE->name() + "_passiveFailing");
    builder.setTransitionLayoutInfo(tPassive, storm::gspn::LayoutInfo(xcenter, ycenter - 3.0));
    builder.addInhibitionArc(activePlace, tPassive);
    builder.addInhibitionArc(failedPlace, tPassive);
    builder.addOutputArc(tPassive, failedPlace);
 
    if (dontCareElements.count(dftBE->id()) && dftBE->id() != mDft.getTopLevelIndex()) {
        uint64_t tDontCare = addDontcareTransition(dftBE, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter));
        if (!mergedDCFailed) {
            uint64_t dontCarePlace = builder.addPlace(1, 0, dftBE->name() + STR_DONTCARE);
            builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 5.0));
            builder.addInhibitionArc(dontCarePlace, tDontCare);
            builder.addOutputArc(tDontCare, dontCarePlace);
 
            builder.addInhibitionArc(dontCarePlace, tActive);
            builder.addInhibitionArc(dontCarePlace, tPassive);
 
            // Propagation for dependencies
            if (!smart || dftBE->hasIngoingDependencies()) {
                uint64_t dependencyPropagationPlace = builder.addPlace(1, 0, dftBE->name() + "_dependency_prop");
                dependencyPropagationPlaces.emplace(dftBE->id(), dependencyPropagationPlace);
                builder.setPlaceLayoutInfo(dependencyPropagationPlace, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter - 5.0));
                uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftBE->name() + "_prop_fail");
                builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 8.0, ycenter));
                builder.addInhibitionArc(dependencyPropagationPlace, tPropagationFailed);
                builder.addInputArc(failedPlace, tPropagationFailed);
                builder.addOutputArc(tPropagationFailed, failedPlace);
                builder.addOutputArc(tPropagationFailed, dependencyPropagationPlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftBE->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter));
                builder.addInhibitionArc(dependencyPropagationPlace, tPropagationDontCare);
                builder.addInputArc(dependencyPropagationPlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, dependencyPropagationPlace);
            }
        } else {
            builder.addInhibitionArc(failedPlace, tDontCare);
            builder.addOutputArc(tDontCare, failedPlace);
        }
    }
 
    if (!smart || dftBE->nrRestrictions() > 0) {
        uint64_t disabledPlace = addDisabledPlace(dftBE, storm::gspn::LayoutInfo(xcenter - 9.0, ycenter));
        builder.addInhibitionArc(disabledPlace, tActive);
        builder.addInhibitionArc(disabledPlace, tPassive);
    }
 
    if (!smart || mDft.isRepresentative(dftBE->id())) {
        uint64_t unavailablePlace = addUnavailablePlace(dftBE, storm::gspn::LayoutInfo(xcenter + 9.0, ycenter));
        builder.addOutputArc(tActive, unavailablePlace);
        builder.addOutputArc(tPassive, unavailablePlace);
    }
 
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateBEConst(std::shared_ptr<storm::dft::storage::elements::BEConst<ValueType> const> dftConst) {
    double xcenter = mDft.getElementLayoutInfo(dftConst->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftConst->id()).y;
 
    if (dftConst->failed()) {
        // Constant failed BE
        addFailedPlace(dftConst, storm::gspn::LayoutInfo(xcenter, ycenter - 3.0), true);
 
        if (!smart || mDft.isRepresentative(dftConst->id())) {
            addUnavailablePlace(dftConst, storm::gspn::LayoutInfo(xcenter, ycenter + 3.0), false);
        }
    } else {
        // Constant failsafe BE
        size_t capacity = 0;  // It cannot contain a token, because it cannot fail.
        uint64_t failedPlace = builder.addPlace(capacity, 0, dftConst->name() + STR_FAILED);
        STORM_LOG_ASSERT(failedPlaces.size() == dftConst->id(), "Failed place index mismatch.");
        failedPlaces.push_back(failedPlace);
        builder.setPlaceLayoutInfo(failedPlace, storm::gspn::LayoutInfo(xcenter, ycenter - 3.0));
 
        if (!smart || mDft.isRepresentative(dftConst->id())) {
            uint64_t unavailablePlace = builder.addPlace(capacity, 0, dftConst->name() + "_unavail");
            unavailablePlaces.emplace(dftConst->id(), unavailablePlace);
            builder.setPlaceLayoutInfo(unavailablePlace, storm::gspn::LayoutInfo(xcenter, ycenter + 3.0));
        }
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateAND(std::shared_ptr<storm::dft::storage::elements::DFTAnd<ValueType> const> dftAnd) {
    double xcenter = mDft.getElementLayoutInfo(dftAnd->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftAnd->id()).y;
 
    uint64_t failedPlace = addFailedPlace(dftAnd, storm::gspn::LayoutInfo(xcenter, ycenter - 3.0));
 
    uint64_t tFailed = builder.addImmediateTransition(getFailPriority(dftAnd), 0.0, dftAnd->name() + STR_FAILING);
    builder.setTransitionLayoutInfo(tFailed, storm::gspn::LayoutInfo(xcenter, ycenter + 3.0));
    builder.addInhibitionArc(failedPlace, tFailed);
    builder.addOutputArc(tFailed, failedPlace);
 
    if (dontCareElements.count(dftAnd->id())) {
        if (dftAnd->id() != mDft.getTopLevelIndex()) {
            uint64_t tDontCare = addDontcareTransition(dftAnd, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter));
            if (!mergedDCFailed) {
                uint64_t dontCarePlace = builder.addPlace(1, 0, dftAnd->name() + STR_DONTCARE);
                builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter + 4.0));
                builder.addInhibitionArc(dontCarePlace, tDontCare);
                builder.addOutputArc(tDontCare, dontCarePlace);
                // Propagation
                uint64_t propagationPlace = builder.addPlace(1, 0, dftAnd->name() + "_prop");
                builder.setPlaceLayoutInfo(propagationPlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 8.0));
                uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftAnd->name() + "_prop_fail");
                builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationFailed);
                builder.addInputArc(failedPlace, tPropagationFailed);
                builder.addOutputArc(tPropagationFailed, failedPlace);
                builder.addOutputArc(tPropagationFailed, propagationPlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftAnd->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 14.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationDontCare);
                builder.addInputArc(dontCarePlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, propagationPlace);
                for (auto const &child : dftAnd->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(propagationPlace, childDontCare);
                        builder.addOutputArc(childDontCare, propagationPlace);
                    }
                }
            } else {
                builder.addInhibitionArc(failedPlace, tDontCare);
                builder.addOutputArc(tDontCare, failedPlace);
                for (auto const &child : dftAnd->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(failedPlace, childDontCare);
                        builder.addOutputArc(childDontCare, failedPlace);
                    }
                }
            }
        } else {
            // If AND is TLE, simple failure propagation suffices
            for (auto const &child : dftAnd->children()) {
                if (dontCareElements.count(child->id())) {
                    uint64_t childDontCare = dontcareTransitions.at(child->id());
                    builder.addInputArc(failedPlace, childDontCare);
                    builder.addOutputArc(childDontCare, failedPlace);
                }
            }
        }
    }
 
    if (!smart || mDft.isRepresentative(dftAnd->id())) {
        uint64_t unavailablePlace = addUnavailablePlace(dftAnd, storm::gspn::LayoutInfo(xcenter + 6.0, ycenter - 3.0));
        builder.addOutputArc(tFailed, unavailablePlace);
    }
 
    for (auto const &child : dftAnd->children()) {
        builder.addInputArc(getFailedPlace(child), tFailed);
        builder.addOutputArc(tFailed, getFailedPlace(child));
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateOR(std::shared_ptr<storm::dft::storage::elements::DFTOr<ValueType> const> dftOr) {
    double xcenter = mDft.getElementLayoutInfo(dftOr->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftOr->id()).y;
 
    uint64_t failedPlace = addFailedPlace(dftOr, storm::gspn::LayoutInfo(xcenter, ycenter - 3.0));
 
    if (dontCareElements.count(dftOr->id())) {
        if (dftOr->id() != mDft.getTopLevelIndex()) {
            uint64_t tDontCare = addDontcareTransition(dftOr, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter));
            if (!mergedDCFailed) {
                uint64_t dontCarePlace = builder.addPlace(1, 0, dftOr->name() + STR_DONTCARE);
                builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter + 4.0));
                builder.addInhibitionArc(dontCarePlace, tDontCare);
                builder.addOutputArc(tDontCare, dontCarePlace);
                // Propagation
                uint64_t propagationPlace = builder.addPlace(1, 0, dftOr->name() + "_prop");
                builder.setPlaceLayoutInfo(propagationPlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 8.0));
                uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftOr->name() + "_prop_fail");
                builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationFailed);
                builder.addInputArc(failedPlace, tPropagationFailed);
                builder.addOutputArc(tPropagationFailed, failedPlace);
                builder.addOutputArc(tPropagationFailed, propagationPlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftOr->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 14.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationDontCare);
                builder.addInputArc(dontCarePlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, propagationPlace);
                for (auto const &child : dftOr->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(propagationPlace, childDontCare);
                        builder.addOutputArc(childDontCare, propagationPlace);
                    }
                }
            } else {
                builder.addInhibitionArc(failedPlace, tDontCare);
                builder.addOutputArc(tDontCare, failedPlace);
                for (auto const &child : dftOr->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(failedPlace, childDontCare);
                        builder.addOutputArc(childDontCare, failedPlace);
                    }
                }
            }
        } else {
            // If OR is TLE, simple failure propagation suffices
            for (auto const &child : dftOr->children()) {
                if (dontCareElements.count(child->id())) {
                    uint64_t childDontCare = dontcareTransitions.at(child->id());
                    builder.addInputArc(failedPlace, childDontCare);
                    builder.addOutputArc(childDontCare, failedPlace);
                }
            }
        }
    }
 
    bool isRepresentative = mDft.isRepresentative(dftOr->id());
    uint64_t unavailablePlace = 0;
    if (!smart || isRepresentative) {
        unavailablePlace = addUnavailablePlace(dftOr, storm::gspn::LayoutInfo(xcenter + 6.0, ycenter - 3.0));
    }
 
    for (size_t i = 0; i < dftOr->nrChildren(); ++i) {
        auto const &child = dftOr->children().at(i);
        uint64_t tFailed = 0;
        if (extendedPriorities) {
            tFailed = builder.addImmediateTransition(getFailPriority(dftOr) + i, 0.0, dftOr->name() + STR_FAILING + std::to_string(i));
        } else {
            tFailed = builder.addImmediateTransition(getFailPriority(dftOr), 0.0, dftOr->name() + STR_FAILING + std::to_string(i));
        }
        builder.setTransitionLayoutInfo(tFailed, storm::gspn::LayoutInfo(xcenter - 5.0 + i * 3.0, ycenter + 3.0));
        builder.addInhibitionArc(failedPlace, tFailed);
        builder.addOutputArc(tFailed, failedPlace);
        if (!smart || isRepresentative) {
            builder.addOutputArc(tFailed, unavailablePlace);
        }
        builder.addInputArc(getFailedPlace(child), tFailed);
        builder.addOutputArc(tFailed, getFailedPlace(child));
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateVOT(std::shared_ptr<storm::dft::storage::elements::DFTVot<ValueType> const> dftVot) {
    // TODO: finish layouting
 
    double xcenter = mDft.getElementLayoutInfo(dftVot->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftVot->id()).y;
 
    uint64_t failedPlace = addFailedPlace(dftVot, storm::gspn::LayoutInfo(xcenter, ycenter - 3.0));
 
    uint64_t tFailed = builder.addImmediateTransition(getFailPriority(dftVot), 0.0, dftVot->name() + STR_FAILING);
    builder.addOutputArc(tFailed, failedPlace);
    builder.addInhibitionArc(failedPlace, tFailed);
 
    if (!smart || mDft.isRepresentative(dftVot->id())) {
        uint64_t unavailablePlace = addUnavailablePlace(dftVot, storm::gspn::LayoutInfo(xcenter + 6.0, ycenter - 3.0));
        builder.addOutputArc(tFailed, unavailablePlace);
    }
 
    uint64_t collectorPlace = builder.addPlace(dftVot->nrChildren(), 0, dftVot->name() + "_collector");
    builder.setPlaceLayoutInfo(collectorPlace, storm::gspn::LayoutInfo(xcenter, ycenter));
    builder.addInputArc(collectorPlace, tFailed, dftVot->threshold());
 
    for (size_t i = 0; i < dftVot->nrChildren(); ++i) {
        auto const &child = dftVot->children().at(i);
        uint64_t childNextPlace = builder.addPlace(defaultCapacity, 1, dftVot->name() + "_child_next" + std::to_string(i));
        uint64_t tCollect;
        if (extendedPriorities) {
            tCollect = builder.addImmediateTransition(getFailPriority(dftVot) + i, 0.0, dftVot->name() + "_child_collect" + std::to_string(i));
        } else {
            tCollect = builder.addImmediateTransition(getFailPriority(dftVot), 0.0, dftVot->name() + "_child_collect" + std::to_string(i));
        }
        builder.addOutputArc(tCollect, collectorPlace);
        builder.addInputArc(childNextPlace, tCollect);
        builder.addInputArc(getFailedPlace(child), tCollect);
        builder.addOutputArc(tCollect, getFailedPlace(child));
    }
 
    if (dontCareElements.count(dftVot->id())) {
        if (dftVot->id() != mDft.getTopLevelIndex()) {
            uint64_t tDontCare = addDontcareTransition(dftVot, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter));
            if (!mergedDCFailed) {
                uint64_t dontCarePlace = builder.addPlace(1, 0, dftVot->name() + STR_DONTCARE);
                builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter + 4.0));
                builder.addInhibitionArc(dontCarePlace, tDontCare);
                builder.addOutputArc(tDontCare, dontCarePlace);
                // Propagation
                uint64_t propagationPlace = builder.addPlace(1, 0, dftVot->name() + "_prop");
                builder.setPlaceLayoutInfo(propagationPlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 8.0));
                uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftVot->name() + "_prop_fail");
                builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationFailed);
                builder.addInputArc(failedPlace, tPropagationFailed);
                builder.addOutputArc(tPropagationFailed, failedPlace);
                builder.addOutputArc(tPropagationFailed, propagationPlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftVot->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 14.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationDontCare);
                builder.addInputArc(dontCarePlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, propagationPlace);
                for (auto const &child : dftVot->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(propagationPlace, childDontCare);
                        builder.addOutputArc(childDontCare, propagationPlace);
                    }
                }
            } else {
                builder.addInhibitionArc(failedPlace, tDontCare);
                builder.addOutputArc(tDontCare, failedPlace);
                for (auto const &child : dftVot->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(failedPlace, childDontCare);
                        builder.addOutputArc(childDontCare, failedPlace);
                    }
                }
            }
        } else {
            // If VOT is TLE, simple failure propagation suffices
            for (auto const &child : dftVot->children()) {
                if (dontCareElements.count(child->id())) {
                    uint64_t childDontCare = dontcareTransitions.at(child->id());
                    builder.addInputArc(failedPlace, childDontCare);
                    builder.addOutputArc(childDontCare, failedPlace);
                }
            }
        }
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translatePAND(std::shared_ptr<storm::dft::storage::elements::DFTPand<ValueType> const> dftPand, bool inclusive) {
    // TODO Layouting
    double xcenter = mDft.getElementLayoutInfo(dftPand->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftPand->id()).y;
 
    uint64_t failedPlace = addFailedPlace(dftPand, storm::gspn::LayoutInfo(xcenter + 3.0, ycenter - 3.0));
 
    // Set priority lower if the PAND is exclusive
    uint64_t tFailed = builder.addImmediateTransition(
        /*inclusive ? getFailPriority(dftPand) : */ getFailPriority(dftPand) - 1, 0.0, dftPand->name() + STR_FAILING);
    builder.setTransitionLayoutInfo(tFailed, storm::gspn::LayoutInfo(xcenter + 3.0, ycenter + 3.0));
    builder.addInhibitionArc(failedPlace, tFailed);
    builder.addOutputArc(tFailed, failedPlace);
 
    if (!smart || mDft.isRepresentative(dftPand->id())) {
        uint64_t unavailablePlace = addUnavailablePlace(dftPand, storm::gspn::LayoutInfo(xcenter + 9.0, ycenter - 3.0));
        builder.addOutputArc(tFailed, unavailablePlace);
    }
 
    uint64_t failSafePlace = builder.addPlace(defaultCapacity, 0, dftPand->name() + STR_FAILSAVE);
    builder.setPlaceLayoutInfo(failSafePlace, storm::gspn::LayoutInfo(xcenter - 3.0, ycenter - 3.0));
 
    builder.addInhibitionArc(failSafePlace, tFailed);
 
    // Transitions for failed place
    for (auto const &child : dftPand->children()) {
        builder.addInputArc(getFailedPlace(child), tFailed);
        builder.addOutputArc(tFailed, getFailedPlace(child));
    }
    // Transitions for fail-safe place
    for (uint64_t i = 1; i < dftPand->nrChildren(); ++i) {
        auto const &child = dftPand->children().at(i);
        uint64_t tFailSafe = builder.addImmediateTransition(getFailPriority(dftPand), 0.0, dftPand->name() + STR_FAILSAVING + std::to_string(i));
        builder.setTransitionLayoutInfo(tFailSafe, storm::gspn::LayoutInfo(xcenter - 6.0 + i * 3.0, ycenter + 3.0));
 
        if (inclusive) {
            builder.addInputArc(getFailedPlace(child), tFailSafe);
            builder.addOutputArc(tFailSafe, getFailedPlace(child));
            builder.addInhibitionArc(getFailedPlace(dftPand->children().at(i - 1)), tFailSafe);
            builder.addOutputArc(tFailSafe, failSafePlace);
            builder.addInhibitionArc(failSafePlace, tFailSafe);
        } else {
            // Delay mechanism for exclusive PAND
            auto const &previousChild = dftPand->children().at(i - 1);
            uint64_t delayPlace = builder.addPlace(1, 0, dftPand->name() + "_delay_" + previousChild->name());
            builder.setPlaceLayoutInfo(delayPlace, storm::gspn::LayoutInfo(xcenter - 5.0 + (i - 1) * 3.0, ycenter + 5.0));
            // Priority of delayTransitions needs to be lower than for failsafeTransitions
            uint64_t tDelay = builder.addImmediateTransition(getFailPriority(dftPand) - 1, 0.0, child->name() + "_" + dftPand->name() + "_delayTransition");
            builder.setTransitionLayoutInfo(tDelay, storm::gspn::LayoutInfo(xcenter - 5.0 + (i - 1) * 3.0, ycenter + 3.0));
            builder.addInputArc(getFailedPlace(previousChild), tDelay);
            builder.addOutputArc(tDelay, getFailedPlace(dftPand->children().at(i - 1)));
            builder.addOutputArc(tDelay, delayPlace);
            builder.addInhibitionArc(delayPlace, tDelay);
 
            builder.addInputArc(getFailedPlace(child), tFailSafe);
            builder.addOutputArc(tFailSafe, getFailedPlace(child));
            builder.addInhibitionArc(delayPlace, tFailSafe);
            builder.addOutputArc(tFailSafe, failSafePlace);
            builder.addInhibitionArc(failSafePlace, tFailSafe);
        }
    }
    // Dont Care
    if (dontCareElements.count(dftPand->id())) {
        // Propagation
        uint64_t propagationPlace = builder.addPlace(1, 0, dftPand->name() + "_prop");
        builder.setPlaceLayoutInfo(propagationPlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 8.0));
        uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftPand->name() + "_prop_fail");
        builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter + 6.0));
        uint64_t tPropagationFailsafe = builder.addImmediateTransition(dontCarePriority, 0.0, dftPand->name() + "_prop_failsafe");
        builder.setTransitionLayoutInfo(tPropagationFailsafe, storm::gspn::LayoutInfo(xcenter + 8.0, ycenter + 6.0));
        builder.addInhibitionArc(propagationPlace, tPropagationFailed);
        builder.addInputArc(failedPlace, tPropagationFailed);
        builder.addOutputArc(tPropagationFailed, failedPlace);
        builder.addOutputArc(tPropagationFailed, propagationPlace);
 
        builder.addInhibitionArc(propagationPlace, tPropagationFailsafe);
        builder.addInputArc(failSafePlace, tPropagationFailsafe);
        builder.addOutputArc(tPropagationFailsafe, failSafePlace);
        builder.addOutputArc(tPropagationFailsafe, propagationPlace);
 
        // Connect children to propagation place
        for (auto const &child : dftPand->children()) {
            if (dontCareElements.count(child->id())) {
                uint64_t childDontCare = dontcareTransitions.at(child->id());
                builder.addInputArc(propagationPlace, childDontCare);
                builder.addOutputArc(childDontCare, propagationPlace);
            }
        }
 
        if (dftPand->id() != mDft.getTopLevelIndex()) {
            uint64_t tDontCare = addDontcareTransition(dftPand, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter));
            if (!mergedDCFailed) {
                uint64_t dontCarePlace = builder.addPlace(1, 0, dftPand->name() + STR_DONTCARE);
                builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter + 4.0));
                builder.addInhibitionArc(dontCarePlace, tDontCare);
                builder.addOutputArc(tDontCare, dontCarePlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftPand->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 14.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationDontCare);
                builder.addInputArc(dontCarePlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, propagationPlace);
 
            } else {
                builder.addInhibitionArc(failedPlace, tDontCare);
                builder.addOutputArc(tDontCare, failedPlace);
            }
        }
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translatePOR(std::shared_ptr<storm::dft::storage::elements::DFTPor<ValueType> const> dftPor, bool inclusive) {
    double xcenter = mDft.getElementLayoutInfo(dftPor->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftPor->id()).y;
 
    uint64_t delayPlace = 0;
 
    uint64_t failedPlace = addFailedPlace(dftPor, storm::gspn::LayoutInfo(xcenter + 3.0, ycenter - 3.0));
 
    // Set priority lower if the POR is exclusive
    uint64_t tFailed = builder.addImmediateTransition(
        /*inclusive ? getFailPriority(dftPor) : */ getFailPriority(dftPor) - 1, 0.0, dftPor->name() + STR_FAILING);
    builder.setTransitionLayoutInfo(tFailed, storm::gspn::LayoutInfo(xcenter + 3.0, ycenter + 3.0));
    builder.addOutputArc(tFailed, failedPlace);
    builder.addInhibitionArc(failedPlace, tFailed);
 
    // Arcs from first child
    builder.addInputArc(getFailedPlace(dftPor->children().front()), tFailed);
    builder.addOutputArc(tFailed, getFailedPlace(dftPor->children().front()));
 
    if (!smart || mDft.isRepresentative(dftPor->id())) {
        uint64_t unavailablePlace = addUnavailablePlace(dftPor, storm::gspn::LayoutInfo(xcenter + 9.0, ycenter - 3.0));
        builder.addOutputArc(tFailed, unavailablePlace);
    }
 
    uint64_t failSafePlace = builder.addPlace(defaultCapacity, 0, dftPor->name() + STR_FAILSAVE);
    builder.setPlaceLayoutInfo(failSafePlace, storm::gspn::LayoutInfo(xcenter - 3.0, ycenter - 3.0));
 
    builder.addInhibitionArc(failSafePlace, tFailed);
 
    if (!inclusive) {
        // Setup delay mechanism if necessary
        delayPlace = builder.addPlace(1, 0, dftPor->name() + "_delay");
        builder.setPlaceLayoutInfo(delayPlace, storm::gspn::LayoutInfo(xcenter - 5.0, ycenter + 5.0));
 
        // priority of delayTransition has to be lower than other priorities
        uint64_t tDelay = builder.addImmediateTransition(getFailPriority(dftPor) - 1, 0.0, dftPor->name() + "_delayTransition");
        builder.setTransitionLayoutInfo(tDelay, storm::gspn::LayoutInfo(xcenter - 5.0, ycenter + 3.0));
 
        builder.addInputArc(getFailedPlace(dftPor->children().front()), tDelay);
        builder.addOutputArc(tDelay, getFailedPlace(dftPor->children().front()));
        builder.addOutputArc(tDelay, delayPlace);
        builder.addInhibitionArc(delayPlace, tDelay);
    }
 
    // For all children except the first one
    for (size_t i = 1; i < dftPor->nrChildren(); ++i) {
        auto const &child = dftPor->children().at(i);
        uint64_t tFailSafe = builder.addImmediateTransition(getFailPriority(dftPor), 0.0, dftPor->name() + STR_FAILSAVING + std::to_string(i));
        builder.setTransitionLayoutInfo(tFailSafe, storm::gspn::LayoutInfo(xcenter - 3.0 + i * 3.0, ycenter + 3.0));
 
        builder.addInputArc(getFailedPlace(child), tFailSafe);
        builder.addOutputArc(tFailSafe, getFailedPlace(child));
        builder.addOutputArc(tFailSafe, failSafePlace);
        builder.addInhibitionArc(failSafePlace, tFailSafe);
        if (inclusive) {
            builder.addInhibitionArc(getFailedPlace(dftPor->children().front()), tFailSafe);
        } else {
            builder.addInhibitionArc(delayPlace, tFailSafe);
        }
    }
 
    // Dont Care
    if (dontCareElements.count(dftPor->id())) {
        // Propagation
        uint64_t propagationPlace = builder.addPlace(1, 0, dftPor->name() + "_prop");
        builder.setPlaceLayoutInfo(propagationPlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 8.0));
        uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftPor->name() + "_prop_fail");
        builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter + 6.0));
        uint64_t tPropagationFailsafe = builder.addImmediateTransition(dontCarePriority, 0.0, dftPor->name() + "_prop_failsafe");
        builder.setTransitionLayoutInfo(tPropagationFailsafe, storm::gspn::LayoutInfo(xcenter + 8.0, ycenter + 6.0));
        builder.addInhibitionArc(propagationPlace, tPropagationFailed);
        builder.addInputArc(failedPlace, tPropagationFailed);
        builder.addOutputArc(tPropagationFailed, failedPlace);
        builder.addOutputArc(tPropagationFailed, propagationPlace);
 
        builder.addInhibitionArc(propagationPlace, tPropagationFailsafe);
        builder.addInputArc(failSafePlace, tPropagationFailsafe);
        builder.addOutputArc(tPropagationFailsafe, failSafePlace);
        builder.addOutputArc(tPropagationFailsafe, propagationPlace);
 
        // Connect children to propagation place
        for (auto const &child : dftPor->children()) {
            if (dontCareElements.count(child->id())) {
                uint64_t childDontCare = dontcareTransitions.at(child->id());
                builder.addInputArc(propagationPlace, childDontCare);
                builder.addOutputArc(childDontCare, propagationPlace);
            }
        }
 
        if (dftPor->id() != mDft.getTopLevelIndex()) {
            uint64_t tDontCare = addDontcareTransition(dftPor, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter));
            if (!mergedDCFailed) {
                uint64_t dontCarePlace = builder.addPlace(1, 0, dftPor->name() + STR_DONTCARE);
                builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter + 4.0));
                builder.addInhibitionArc(dontCarePlace, tDontCare);
                builder.addOutputArc(tDontCare, dontCarePlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftPor->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 14.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationDontCare);
                builder.addInputArc(dontCarePlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, propagationPlace);
 
            } else {
                builder.addInhibitionArc(failedPlace, tDontCare);
                builder.addOutputArc(tDontCare, failedPlace);
            }
        }
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateSPARE(std::shared_ptr<storm::dft::storage::elements::DFTSpare<ValueType> const> dftSpare) {
    double xcenter = mDft.getElementLayoutInfo(dftSpare->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftSpare->id()).y;
 
    uint64_t prio = getFailPriority(dftSpare);
 
    uint64_t failedPlace = addFailedPlace(dftSpare, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter - 8.0));
 
    bool isRepresentative = mDft.isRepresentative(dftSpare->id());
    uint64_t unavailablePlace = 0;
    if (!smart || isRepresentative) {
        unavailablePlace = addUnavailablePlace(dftSpare, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter - 8.0));
    }
 
    uint64_t activePlace = builder.addPlace(defaultCapacity, isActiveInitially(dftSpare) ? 1 : 0, dftSpare->name() + STR_ACTIVATED);
    builder.setPlaceLayoutInfo(activePlace, storm::gspn::LayoutInfo(xcenter - 20.0, ycenter - 12.0));
    activePlaces.emplace(dftSpare->id(), activePlace);
 
    std::vector<uint64_t> tNextClaims;
    std::vector<uint64_t> tNextConsiders;
    for (size_t i = 0; i < dftSpare->nrChildren(); ++i) {
        auto const &child = dftSpare->children().at(i);
        // Consider next child
        size_t considerPlace = builder.addPlace(defaultCapacity, i == 0 ? 1 : 0, dftSpare->name() + "_consider_" + child->name());
        builder.setPlaceLayoutInfo(considerPlace, storm::gspn::LayoutInfo(xcenter - 15.0 + i * 14.0, ycenter - 8.0));
 
        if (i > 0) {
            // Set output transition from previous next_claim
            builder.addOutputArc(tNextClaims.back(), considerPlace);
            // Set output transition from previous cannot_claim
            builder.addOutputArc(tNextConsiders.back(), considerPlace);
        }
 
        // Cannot claim child
        uint64_t tConsiderNext = builder.addImmediateTransition(prio, 0.0, dftSpare->name() + "_cannot_claim_" + child->name());
        prio++;
        builder.setTransitionLayoutInfo(tConsiderNext, storm::gspn::LayoutInfo(xcenter - 7.0 + i * 14.0, ycenter - 8.0));
        builder.addInputArc(considerPlace, tConsiderNext);
        builder.addInputArc(unavailablePlaces.at(child->id()), tConsiderNext);
        builder.addOutputArc(tConsiderNext, unavailablePlaces.at(child->id()));
        tNextConsiders.push_back(tConsiderNext);
 
        // Claimed child
        size_t claimedPlace = builder.addPlace(defaultCapacity, 0, dftSpare->name() + "_claimed_" + child->name());
        builder.setPlaceLayoutInfo(claimedPlace, storm::gspn::LayoutInfo(xcenter - 15.0 + i * 14.0, ycenter + 5.0));
        uint64_t tClaim = builder.addImmediateTransition(prio, 0.0, dftSpare->name() + "_claim_" + child->name());
        prio++;
        builder.setTransitionLayoutInfo(tClaim, storm::gspn::LayoutInfo(xcenter - 15.0 + i * 14.0, ycenter));
        builder.addInhibitionArc(unavailablePlaces.at(child->id()), tClaim);
        builder.addInputArc(considerPlace, tClaim);
        builder.addOutputArc(tClaim, claimedPlace);
        builder.addOutputArc(tClaim, unavailablePlaces.at(child->id()));
 
        // Claim next
        uint64_t tClaimNext = builder.addImmediateTransition(prio, 0.0, dftSpare->name() + "_next_claim_" + std::to_string(i));
        prio++;
        builder.setTransitionLayoutInfo(tClaimNext, storm::gspn::LayoutInfo(xcenter - 7.0 + i * 14.0, ycenter + 5.0));
        builder.addInputArc(claimedPlace, tClaimNext);
        builder.addInputArc(getFailedPlace(child), tClaimNext);
        builder.addOutputArc(tClaimNext, getFailedPlace(child));
        tNextClaims.push_back(tClaimNext);
 
        // Activate all elements in spare module
        uint64_t l = 0;
        for (uint64_t k : mDft.module(child->id()).getElements()) {
            uint64_t tActivate = builder.addImmediateTransition(prio, 0.0, dftSpare->name() + "_activate_" + std::to_string(i) + "_" + std::to_string(k));
            prio++;
            builder.setTransitionLayoutInfo(tActivate, storm::gspn::LayoutInfo(xcenter - 18.0 + (i + l) * 3, ycenter - 12.0));
            builder.addInhibitionArc(activePlaces.at(k), tActivate);
            builder.addInputArc(claimedPlace, tActivate);
            builder.addInputArc(activePlace, tActivate);
            builder.addOutputArc(tActivate, claimedPlace);
            builder.addOutputArc(tActivate, activePlace);
            builder.addOutputArc(tActivate, activePlaces.at(k));
            ++l;
        }
    }
 
    // Set arcs to failed
    builder.addOutputArc(tNextConsiders.back(), failedPlace);
    builder.addOutputArc(tNextClaims.back(), failedPlace);
    builder.addInhibitionArc(failedPlace, tNextConsiders.back());
    builder.addInhibitionArc(failedPlace, tNextClaims.back());
 
    // Don't Care Mechanism
    if (dontCareElements.count(dftSpare->id())) {
        if (dftSpare->id() != mDft.getTopLevelIndex()) {
            uint64_t tDontCare = addDontcareTransition(dftSpare, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter));
            if (!mergedDCFailed) {
                uint64_t dontCarePlace = builder.addPlace(1, 0, dftSpare->name() + STR_DONTCARE);
                builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter + 4.0));
                builder.addInhibitionArc(dontCarePlace, tDontCare);
                builder.addOutputArc(tDontCare, dontCarePlace);
                // Propagation
                uint64_t propagationPlace = builder.addPlace(1, 0, dftSpare->name() + "_prop");
                builder.setPlaceLayoutInfo(propagationPlace, storm::gspn::LayoutInfo(xcenter + 12.0, ycenter + 8.0));
                uint64_t tPropagationFailed = builder.addImmediateTransition(dontCarePriority, 0.0, dftSpare->name() + "_prop_fail");
                builder.setTransitionLayoutInfo(tPropagationFailed, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationFailed);
                builder.addInputArc(failedPlace, tPropagationFailed);
                builder.addOutputArc(tPropagationFailed, failedPlace);
                builder.addOutputArc(tPropagationFailed, propagationPlace);
                uint64_t tPropagationDontCare = builder.addImmediateTransition(dontCarePriority, 0.0, dftSpare->name() + "_prop_dontCare");
                builder.setTransitionLayoutInfo(tPropagationDontCare, storm::gspn::LayoutInfo(xcenter + 14.0, ycenter + 6.0));
                builder.addInhibitionArc(propagationPlace, tPropagationDontCare);
                builder.addInputArc(dontCarePlace, tPropagationDontCare);
                builder.addOutputArc(tPropagationDontCare, dontCarePlace);
                builder.addOutputArc(tPropagationDontCare, propagationPlace);
                for (auto const &child : dftSpare->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(propagationPlace, childDontCare);
                        builder.addOutputArc(childDontCare, propagationPlace);
                    }
                }
            } else {
                builder.addInhibitionArc(failedPlace, tDontCare);
                builder.addOutputArc(tDontCare, failedPlace);
                for (auto const &child : dftSpare->children()) {
                    if (dontCareElements.count(child->id())) {
                        uint64_t childDontCare = dontcareTransitions.at(child->id());
                        builder.addInputArc(failedPlace, childDontCare);
                        builder.addOutputArc(childDontCare, failedPlace);
                    }
                }
            }
        } else {
            // If SPARE is TLE, simple failure propagation suffices
            for (auto const &child : dftSpare->children()) {
                if (dontCareElements.count(child->id())) {
                    uint64_t childDontCare = dontcareTransitions.at(child->id());
                    builder.addInputArc(failedPlace, childDontCare);
                    builder.addOutputArc(childDontCare, failedPlace);
                }
            }
        }
    }
 
    if (!smart || isRepresentative) {
        builder.addOutputArc(tNextConsiders.back(), unavailablePlace);
        builder.addOutputArc(tNextClaims.back(), unavailablePlace);
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translatePDEP(std::shared_ptr<storm::dft::storage::elements::DFTDependency<ValueType> const> dftDependency) {
    double xcenter = mDft.getElementLayoutInfo(dftDependency->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftDependency->id()).y;
 
    uint64_t failedPlace = 0;
    if (!smart) {
        failedPlace = addFailedPlace(dftDependency, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter - 8.0));
        addUnavailablePlace(dftDependency, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter - 8.0));
    }
 
    uint64_t forwardPlace = 0;
    if (dftDependency->probability() < 1.0) {
        // PDEP
        forwardPlace = builder.addPlace(defaultCapacity, 0, dftDependency->name() + "_forward");
        builder.setPlaceLayoutInfo(forwardPlace, storm::gspn::LayoutInfo(xcenter + 1.0, ycenter + 2.0));
 
        uint64_t coinPlace = builder.addPlace(defaultCapacity, 1, dftDependency->name() + "_coin");
        builder.setPlaceLayoutInfo(coinPlace, storm::gspn::LayoutInfo(xcenter - 5.0, ycenter + 2.0));
 
        uint64_t tStartFlip = builder.addImmediateTransition(getFailPriority(dftDependency), 0.0, dftDependency->name() + "_start_flip");
        builder.addInputArc(coinPlace, tStartFlip);
        builder.addInputArc(getFailedPlace(dftDependency->triggerEvent()), tStartFlip);
        builder.addOutputArc(tStartFlip, getFailedPlace(dftDependency->triggerEvent()));
 
        uint64_t flipPlace = builder.addPlace(defaultCapacity, 0, dftDependency->name() + "_flip");
        builder.setPlaceLayoutInfo(flipPlace, storm::gspn::LayoutInfo(xcenter - 2.0, ycenter + 2.0));
        builder.addOutputArc(tStartFlip, flipPlace);
 
        uint64_t tWinFlip =
            builder.addImmediateTransition(getFailPriority(dftDependency) + 1, dftDependency->probability(), dftDependency->name() + "_win_flip");
        builder.addInputArc(flipPlace, tWinFlip);
        builder.addOutputArc(tWinFlip, forwardPlace);
 
        uint64_t tLooseFlip = builder.addImmediateTransition(
            getFailPriority(dftDependency) + 1, storm::utility::one<ValueType>() - dftDependency->probability(), dftDependency->name() + "_lose_flip");
        builder.addInputArc(flipPlace, tLooseFlip);
    } else {
        // FDEP
        forwardPlace = getFailedPlace(dftDependency->triggerEvent());
    }
 
    // if the extended priorities option is set, set the priority for the forwarding transitions uniquely
    uint64_t propagationPriority = getFailPriority(dftDependency);
    for (auto const &child : dftDependency->dependentEvents()) {
        uint64_t tForwardFailure = builder.addImmediateTransition(propagationPriority, 0.0, dftDependency->name() + "_propagate_" + child->name());
 
        builder.addInputArc(forwardPlace, tForwardFailure);
        builder.addOutputArc(tForwardFailure, forwardPlace);
        builder.addOutputArc(tForwardFailure, getFailedPlace(child));
        builder.addInhibitionArc(getFailedPlace(child), tForwardFailure);
        if (!smart || child->nrRestrictions() > 0) {
            builder.addInhibitionArc(disabledPlaces.at(child->id()), tForwardFailure);
        }
        if (!smart || mDft.isRepresentative(child->id())) {
            builder.addOutputArc(tForwardFailure, unavailablePlaces.at(child->id()));
        }
        propagationPriority--;
    }
 
    // Don't Care
    if (dontCareElements.count(dftDependency->id())) {
        uint64_t tDontCare = addDontcareTransition(dftDependency, storm::gspn::LayoutInfo(xcenter + 3.0, ycenter));
        if (!mergedDCFailed) {
            uint64_t dontCarePlace = builder.addPlace(1, 0, dftDependency->name() + STR_DONTCARE);
            builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 4.0, ycenter));
            builder.addInhibitionArc(dontCarePlace, tDontCare);
            builder.addOutputArc(tDontCare, dontCarePlace);
            // Add the arcs for the dependent events
            for (auto const &dependentEvent : dftDependency->dependentEvents()) {
                if (dontCareElements.count(dependentEvent->id())) {
                    uint64_t dependentEventPropagation = dependencyPropagationPlaces.at(dependentEvent->id());
                    builder.addInputArc(dependentEventPropagation, tDontCare);
                    builder.addOutputArc(tDontCare, dependentEventPropagation);
                }
            }
            // Add the arcs for the trigger
            uint64_t triggerDontCare = dontcareTransitions.at(dftDependency->triggerEvent()->id());
            builder.addInputArc(dontCarePlace, triggerDontCare);
            builder.addOutputArc(triggerDontCare, dontCarePlace);
        } else {
            if (failedPlace == 0) {
                failedPlace = addFailedPlace(dftDependency, storm::gspn::LayoutInfo(xcenter + 4.0, ycenter));
            }
            builder.addInhibitionArc(failedPlace, tDontCare);
            builder.addOutputArc(tDontCare, failedPlace);
 
            // Add the arcs for the dependent events
            for (auto const &dependentEvent : dftDependency->dependentEvents()) {
                if (dontCareElements.count(dependentEvent->id())) {
                    uint64_t dependentEventFailed = failedPlaces.at(dependentEvent->id());
                    builder.addInputArc(dependentEventFailed, tDontCare);
                    builder.addOutputArc(tDontCare, dependentEventFailed);
                }
            }
            // Add the arcs for the trigger
            uint64_t triggerDontCare = dontcareTransitions.at(dftDependency->triggerEvent()->id());
            builder.addInputArc(failedPlace, triggerDontCare);
            builder.addOutputArc(triggerDontCare, failedPlace);
        }
    }
    if (failedPlace == 0) {
        failedPlaces.push_back(failedPlace);
    }
    if (extendedPriorities) {
        dontCarePriority++;
    }
}
 
template<typename ValueType>
void DftToGspnTransformator<ValueType>::translateSeq(std::shared_ptr<storm::dft::storage::elements::DFTSeq<ValueType> const> dftSeq) {
    STORM_LOG_THROW(dftSeq->allChildrenBEs(), storm::exceptions::NotImplementedException,
                    "Sequence enforcers with gates as children are currently not supported.");
    double xcenter = mDft.getElementLayoutInfo(dftSeq->id()).x;
    double ycenter = mDft.getElementLayoutInfo(dftSeq->id()).y;
    uint64_t failedPlace = 0;
    if (!smart) {
        failedPlace = addFailedPlace(dftSeq, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter - 8.0));
        addUnavailablePlace(dftSeq, storm::gspn::LayoutInfo(xcenter + 16.0, ycenter - 8.0));
    }
 
    uint64_t tEnable = 0;
    uint64_t nextPlace = 0;
    for (size_t i = 0; i < dftSeq->nrChildren(); ++i) {
        auto const &child = dftSeq->children().at(i);
 
        nextPlace = builder.addPlace(defaultCapacity, i == 0 ? 1 : 0, dftSeq->name() + "_next_" + child->name());
        builder.setPlaceLayoutInfo(nextPlace, storm::gspn::LayoutInfo(xcenter - 5.0 + i * 3.0, ycenter - 3.0));
 
        if (i > 0) {
            builder.addOutputArc(tEnable, nextPlace);
        }
        tEnable = builder.addImmediateTransition(getFailPriority(dftSeq), 0.0, dftSeq->name() + "_unblock_" + child->name());
        builder.setTransitionLayoutInfo(tEnable, storm::gspn::LayoutInfo(xcenter - 5.0 + i * 3.0, ycenter + 3.0));
        builder.addInputArc(nextPlace, tEnable);
        builder.addInputArc(disabledPlaces.at(child->id()), tEnable);
        if (i > 0) {
            builder.addInputArc(getFailedPlace(dftSeq->children().at(i - 1)), tEnable);
        }
    }
    // Dont Care
    if (dontCareElements.count(dftSeq->id())) {
        if (!mergedDCFailed) {
            uint64_t dontCarePlace = builder.addPlace(1, 0, dftSeq->name() + STR_DONTCARE);
            builder.setPlaceLayoutInfo(dontCarePlace, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter - 8.0));
            for (auto const &child : dftSeq->children()) {
                if (dontCareElements.count(child->id())) {
                    uint64_t childDontCare = dontcareTransitions.at(child->id());
                    builder.addInputArc(dontCarePlace, childDontCare);
                }
            }
        } else {
            if (failedPlace == 0) {
                failedPlace = addFailedPlace(dftSeq, storm::gspn::LayoutInfo(xcenter + 10.0, ycenter - 8.0));
            }
            for (auto const &child : dftSeq->children()) {
                if (dontCareElements.count(child->id())) {
                    uint64_t childDontCare = dontcareTransitions.at(child->id());
                    builder.addInputArc(failedPlace, childDontCare);
                }
            }
        }
    }
}
 
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::addFailedPlace(std::shared_ptr<storm::dft::storage::elements::DFTElement<ValueType> const> dftElement,
                                                           storm::gspn::LayoutInfo const &layoutInfo, bool initialFailed) {
    uint64_t failedPlace = builder.addPlace(defaultCapacity, initialFailed ? 1 : 0, dftElement->name() + STR_FAILED);
    STORM_LOG_ASSERT(failedPlaces.size() == dftElement->id(), "Failed place index mismatch.");
    failedPlaces.push_back(failedPlace);
    builder.setPlaceLayoutInfo(failedPlace, layoutInfo);
    return failedPlace;
}
 
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::addUnavailablePlace(std::shared_ptr<storm::dft::storage::elements::DFTElement<ValueType> const> dftElement,
                                                                storm::gspn::LayoutInfo const &layoutInfo, bool initialAvailable) {
    unsigned int capacity = 2;  // Unavailable place has capacity 2
    uint64_t unavailablePlace = builder.addPlace(capacity, initialAvailable ? 0 : 1, dftElement->name() + "_unavail");
    unavailablePlaces.emplace(dftElement->id(), unavailablePlace);
    builder.setPlaceLayoutInfo(unavailablePlace, layoutInfo);
    return unavailablePlace;
}
 
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::addDisabledPlace(std::shared_ptr<const storm::dft::storage::elements::DFTBE<ValueType>> dftBe,
                                                             storm::gspn::LayoutInfo const &layoutInfo) {
    uint64_t disabledPlace = builder.addPlace(dftBe->nrRestrictions(), dftBe->nrRestrictions(), dftBe->name() + "_dabled");
    disabledPlaces.emplace(dftBe->id(), disabledPlace);
    builder.setPlaceLayoutInfo(disabledPlace, layoutInfo);
    return disabledPlace;
}
 
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::addDontcareTransition(std::shared_ptr<const storm::dft::storage::elements::DFTElement<ValueType>> dftElement,
                                                                  storm::gspn::LayoutInfo const &layoutInfo) {
    uint64_t dontcareTransition;
    dontcareTransition = builder.addImmediateTransition(dontCarePriority, 0.0, dftElement->name() + STR_DONTCARE + "_transition");
    dontcareTransitions.emplace(dftElement->id(), dontcareTransition);
    builder.setTransitionLayoutInfo(dontcareTransition, layoutInfo);
    return dontcareTransition;
}
 
template<typename ValueType>
bool DftToGspnTransformator<ValueType>::isActiveInitially(std::shared_ptr<storm::dft::storage::elements::DFTElement<ValueType> const> dftElement) {
    // If element is in the top module, return true.
    return !mDft.hasRepresentant(dftElement->id());
}
 
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::getFailPriority(std::shared_ptr<storm::dft::storage::elements::DFTElement<ValueType> const> dftElement) {
    // Return the value given in the field
    return priorities.at(dftElement->id());
}
 
// Explicitly instantiate the class.
template class DftToGspnTransformator<double>;
 
// template class DftToGspnTransformator<storm::RationalFunction>;
 
}  // namespace transformations
}  // namespace storm::dft