Examples with RelationRepository com.dat3m.dartagnan.wmm.utils.RelationRepository used on opensource projects

Example 1 with RelationRepository

use of com.dat3m.dartagnan.wmm.utils.RelationRepository 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 2 with RelationRepository

use of com.dat3m.dartagnan.wmm.utils.RelationRepository in project Dat3M by hernanponcedeleon.

the class RefinementTask method createDefaultWmm.

private Wmm createDefaultWmm() {
    Wmm baseline = new Wmm();
    RelationRepository repo = baseline.getRelationRepository();
    Relation rf = repo.getRelation(RF);
    if (baselines.contains(UNIPROC)) {
        // ---- acyclic(po-loc | rf) ----
        Relation poloc = repo.getRelation(POLOC);
        Relation co = repo.getRelation(CO);
        Relation fr = repo.getRelation(FR);
        Relation porf = new RelUnion(poloc, rf);
        repo.addRelation(porf);
        Relation porfco = new RelUnion(porf, co);
        repo.addRelation(porfco);
        Relation porfcofr = new RelUnion(porfco, fr);
        repo.addRelation(porfcofr);
        baseline.addAxiom(new Acyclic(porfcofr));
    }
    if (baselines.contains(NO_OOTA)) {
        // ---- acyclic (dep | rf) ----
        Relation data = repo.getRelation(DATA);
        Relation ctrl = repo.getRelation(CTRL);
        Relation addr = repo.getRelation(ADDR);
        Relation dep = new RelUnion(data, addr);
        repo.addRelation(dep);
        dep = new RelUnion(ctrl, dep);
        repo.addRelation(dep);
        Relation hb = new RelUnion(dep, rf);
        repo.addRelation(hb);
        baseline.addAxiom(new Acyclic(hb));
    }
    if (baselines.contains(ATOMIC_RMW)) {
        // ---- empty (rmw & fre;coe) ----
        Relation rmw = repo.getRelation(RMW);
        Relation coe = repo.getRelation(COE);
        Relation fre = repo.getRelation(FRE);
        Relation frecoe = new RelComposition(fre, coe);
        repo.addRelation(frecoe);
        Relation rmwANDfrecoe = new RelIntersection(rmw, frecoe);
        repo.addRelation(rmwANDfrecoe);
        baseline.addAxiom(new Empty(rmwANDfrecoe));
    }
    return baseline;
}