Examples with Event com.dat3m.dartagnan.program.event.core.Event used on opensource projects

Example 86 with Event

use of com.dat3m.dartagnan.program.event.core.Event in project Dat3M by hernanponcedeleon.

the class Refiner method refine.

// This method computes a refinement clause from a set of violations.
// Furthermore, it computes symmetric violations if symmetry learning is enabled.
public BooleanFormula refine(DNF<CoreLiteral> coreReasons, SolverContext context) {
    // TODO: A specialized algorithm that computes the orbit under permutation may be better,
    // since most violations involve only few threads and hence the orbit is far smaller than the full
    // set of permutations.
    BooleanFormulaManager bmgr = context.getFormulaManager().getBooleanFormulaManager();
    BooleanFormula refinement = bmgr.makeTrue();
    // For each symmetry permutation, we will create refinement clauses
    for (Function<Event, Event> perm : symmPermutations) {
        for (Conjunction<CoreLiteral> reason : coreReasons.getCubes()) {
            BooleanFormula permutedClause = reason.getLiterals().stream().map(lit -> bmgr.not(permuteAndConvert(lit, perm, context))).reduce(bmgr.makeFalse(), bmgr::or);
            refinement = bmgr.and(refinement, permutedClause);
        }
    }
    return refinement;
}

Example 87 with Event

use of com.dat3m.dartagnan.program.event.core.Event in project Dat3M by hernanponcedeleon.

the class CoreReasoner method toCoreReason.

public Conjunction<CoreLiteral> toCoreReason(Conjunction<CAATLiteral> baseReason) {
    RelationRepository repo = memoryModel.getRelationRepository();
    EventDomain domain = executionGraph.getDomain();
    List<CoreLiteral> coreReason = new ArrayList<>(baseReason.getSize());
    for (CAATLiteral lit : baseReason.getLiterals()) {
        if (lit instanceof ElementLiteral) {
            Event e = domain.getObjectById(((ElementLiteral) lit).getElement().getId()).getEvent();
            // We only have static tags, so all of them reduce to execution literals
            coreReason.add(new ExecLiteral(e, lit.isNegative()));
        } else {
            EdgeLiteral edgeLit = (EdgeLiteral) lit;
            Edge edge = edgeLit.getEdge();
            Event e1 = domain.getObjectById(edge.getFirst()).getEvent();
            Event e2 = domain.getObjectById(edge.getSecond()).getEvent();
            Tuple tuple = new Tuple(e1, e2);
            Relation rel = repo.getRelation(lit.getName());
            if (lit.isPositive() && rel.getMinTupleSet().contains(tuple)) {
                // Statically present edges
                addExecReason(tuple, coreReason);
            } else if (lit.isNegative() && !rel.getMaxTupleSet().contains(tuple)) {
            // Statically absent edges
            } else {
                if (rel instanceof RelFencerel) {
                    // We should do this transformation directly on the Wmm to avoid this special reasoning
                    if (lit.isNegative()) {
                        throw new UnsupportedOperationException(String.format("FenceRel %s is not allowed on the rhs of differences.", rel));
                    }
                    addFenceReason(rel, edge, coreReason);
                } else if (rel.getName().equals(LOC)) {
                    coreReason.add(new AddressLiteral(tuple, lit.isNegative()));
                } else if (rel.getName().equals(RF) || rel.getName().equals(CO)) {
                    coreReason.add(new RelLiteral(rel.getName(), tuple, lit.isNegative()));
                } else {
                    // TODO: Right now, we assume many relations like Data, Ctrl and Addr to be
                    // static.
                    addExecReason(tuple, coreReason);
                }
            }
        }
    }
    minimize(coreReason);
    return new Conjunction<>(coreReason);
}

Example 88 with Event

use of com.dat3m.dartagnan.program.event.core.Event in project Dat3M by hernanponcedeleon.

the class VerificationTask method updateAssertions.

private void updateAssertions(Program program) {
    List<Event> assertions = program.getCache().getEvents(FilterBasic.get(ASSERTION));
    AbstractAssert ass = new AssertTrue();
    if (!assertions.isEmpty()) {
        ass = new AssertInline((Local) assertions.get(0));
        for (int i = 1; i < assertions.size(); i++) {
            ass = new AssertCompositeOr(ass, new AssertInline((Local) assertions.get(i)));
        }
    }
    program.setAss(ass);
}

Example 89 with Event

use of com.dat3m.dartagnan.program.event.core.Event in project Dat3M by hernanponcedeleon.

the class RelCo method getMaxTupleSet.

@Override
public TupleSet getMaxTupleSet() {
    if (maxTupleSet == null) {
        logger.info("Computing maxTupleSet for " + getName());
        AliasAnalysis alias = analysisContext.get(AliasAnalysis.class);
        WmmAnalysis wmmAnalysis = analysisContext.get(WmmAnalysis.class);
        maxTupleSet = new TupleSet();
        List<Event> eventsInit = task.getProgram().getCache().getEvents(FilterBasic.get(INIT));
        List<Event> eventsStore = task.getProgram().getCache().getEvents(FilterMinus.get(FilterBasic.get(WRITE), FilterBasic.get(INIT)));
        for (Event e1 : eventsInit) {
            for (Event e2 : eventsStore) {
                if (alias.mayAlias((MemEvent) e1, (MemEvent) e2)) {
                    maxTupleSet.add(new Tuple(e1, e2));
                }
            }
        }
        for (Event e1 : eventsStore) {
            for (Event e2 : eventsStore) {
                if (e1.getCId() != e2.getCId() && alias.mayAlias((MemEvent) e1, (MemEvent) e2)) {
                    maxTupleSet.add(new Tuple(e1, e2));
                }
            }
        }
        removeMutuallyExclusiveTuples(maxTupleSet);
        if (wmmAnalysis.isLocallyConsistent()) {
            applyLocalConsistencyMaxSet();
        }
        logger.info("maxTupleSet size for " + getName() + ": " + maxTupleSet.size());
    }
    return maxTupleSet;
}

Example 90 with Event

use of com.dat3m.dartagnan.program.event.core.Event in project Dat3M by hernanponcedeleon.

the class RelRf method getMaxTupleSet.

@Override
public TupleSet getMaxTupleSet() {
    if (maxTupleSet == null) {
        AliasAnalysis alias = analysisContext.get(AliasAnalysis.class);
        WmmAnalysis wmmAnalysis = analysisContext.get(WmmAnalysis.class);
        logger.info("Computing maxTupleSet for " + getName());
        maxTupleSet = new TupleSet();
        List<Event> loadEvents = task.getProgram().getCache().getEvents(FilterBasic.get(READ));
        List<Event> storeEvents = task.getProgram().getCache().getEvents(FilterBasic.get(WRITE));
        for (Event e1 : storeEvents) {
            for (Event e2 : loadEvents) {
                if (alias.mayAlias((MemEvent) e1, (MemEvent) e2)) {
                    maxTupleSet.add(new Tuple(e1, e2));
                }
            }
        }
        removeMutuallyExclusiveTuples(maxTupleSet);
        if (wmmAnalysis.isLocallyConsistent()) {
            applyLocalConsistency();
        }
        if (wmmAnalysis.doesRespectAtomicBlocks()) {
            atomicBlockOptimization();
        }
        logger.info("maxTupleSet size for " + getName() + ": " + maxTupleSet.size());
    }
    return maxTupleSet;
}