Examples with Event dartagnan.program.Event used on opensource projects

Example 26 with Event

use of dartagnan.program.Event in project Dat3M by hernanponcedeleon.

the class Encodings method encodeCommonExecutions.

public static BoolExpr encodeCommonExecutions(Program p1, Program p2, Context ctx) throws Z3Exception {
    BoolExpr enc = ctx.mkTrue();
    Set<Event> lEventsP1 = p1.getEvents().stream().filter(e -> e instanceof MemEvent | e instanceof Local).collect(Collectors.toSet());
    Set<Event> lEventsP2 = p2.getEvents().stream().filter(e -> e instanceof MemEvent | e instanceof Local).collect(Collectors.toSet());
    Set<Event> rEventsP1 = p1.getEvents().stream().filter(e -> e instanceof Load).collect(Collectors.toSet());
    Set<Event> wEventsP1 = p1.getEvents().stream().filter(e -> e instanceof Store || e instanceof Init).collect(Collectors.toSet());
    Set<Event> rEventsP2 = p2.getEvents().stream().filter(e -> e instanceof Load).collect(Collectors.toSet());
    Set<Event> wEventsP2 = p2.getEvents().stream().filter(e -> e instanceof Store || e instanceof Init).collect(Collectors.toSet());
    for (Event e1 : lEventsP1) {
        for (Event e2 : lEventsP2) {
            if (e1.getHLId().equals(e2.getHLId()) && e1.getUnfCopy().equals(e2.getUnfCopy())) {
                enc = ctx.mkAnd(enc, ctx.mkEq(e1.executes(ctx), e2.executes(ctx)));
            }
        }
    }
    for (Event r1 : rEventsP1) {
        for (Event r2 : rEventsP2) {
            if (r1.getHLId().equals(r2.getHLId()) && r1.getUnfCopy().equals(r2.getUnfCopy())) {
                for (Event w1 : wEventsP1) {
                    for (Event w2 : wEventsP2) {
                        if (r1.getLoc() != w1.getLoc()) {
                            continue;
                        }
                        if (r2.getLoc() != w2.getLoc()) {
                            continue;
                        }
                        if (w1.getHLId().equals(w2.getHLId()) && w1.getUnfCopy().equals(w2.getUnfCopy())) {
                            enc = ctx.mkAnd(enc, ctx.mkEq(edge("rf", w1, r1, ctx), edge("rf", w2, r2, ctx)));
                        }
                    }
                }
            }
        }
    }
    for (Event w1P1 : wEventsP1) {
        for (Event w1P2 : wEventsP2) {
            if (w1P1.getHLId().equals(w1P2.getHLId()) && w1P1.getUnfCopy().equals(w1P2.getUnfCopy())) {
                for (Event w2P1 : wEventsP1) {
                    for (Event w2P2 : wEventsP2) {
                        if (w1P1.getLoc() != w2P1.getLoc()) {
                            continue;
                        }
                        if (w1P1.getLoc() != w2P2.getLoc()) {
                            continue;
                        }
                        if (w1P1 == w2P1 | w1P2 == w2P2) {
                            continue;
                        }
                        if (w2P1.getHLId().equals(w2P2.getHLId()) && w2P1.getUnfCopy().equals(w2P2.getUnfCopy())) {
                            enc = ctx.mkAnd(enc, ctx.mkEq(edge("co", w1P1, w2P1, ctx), edge("co", w1P2, w2P2, ctx)));
                        }
                    }
                }
            }
        }
    }
    return enc;
}

Example 27 with Event

use of dartagnan.program.Event in project Dat3M by hernanponcedeleon.

the class Encodings method encodePreserveFences.

public static BoolExpr encodePreserveFences(Program p1, Program p2, Context ctx) {
    BoolExpr enc = ctx.mkTrue();
    Set<Event> memEventsP1 = p1.getEvents().stream().filter(e -> e instanceof MemEvent).collect(Collectors.toSet());
    Set<Event> memEventsP2 = p2.getEvents().stream().filter(e -> e instanceof MemEvent).collect(Collectors.toSet());
    for (Event e1P1 : memEventsP1) {
        for (Event e1P2 : memEventsP2) {
            if (e1P1.getHLId().equals(e1P2.getHLId())) {
                for (Event e2P1 : memEventsP1) {
                    for (Event e2P2 : memEventsP2) {
                        if (e1P1.getMainThread() != e2P1.getMainThread()) {
                            continue;
                        }
                        if (e1P2.getMainThread() != e2P2.getMainThread()) {
                            continue;
                        }
                        if (e1P1.getEId() >= e2P1.getEId() | e1P2.getEId() >= e2P2.getEId()) {
                            continue;
                        }
                        if (e2P1.getHLId().equals(e2P2.getHLId())) {
                            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("sync", e1P1, e2P1, ctx), edge("sync", e1P2, e2P2, ctx)));
                            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("lwsync", e1P1, e2P1, ctx), ctx.mkOr(edge("lwsync", e1P2, e2P2, ctx), edge("sync", e1P2, e2P2, ctx))));
                        }
                    }
                }
            }
        }
    }
    return enc;
}

Example 28 with Event

use of dartagnan.program.Event in project Dat3M by hernanponcedeleon.

the class Encodings method getInitialHigh.

public static BoolExpr getInitialHigh(Program p, Model model, Context ctx, boolean var1, boolean val1) {
    Set<Event> highInits = p.getEvents().stream().filter(e -> e instanceof Init).filter(e -> e.getLoc() instanceof HighLocation).collect(Collectors.toSet());
    BoolExpr reachedState = ctx.mkTrue();
    for (Event e : highInits) {
        IntExpr var = var1 ? initValue(e, ctx) : initValue2(e, ctx);
        IntExpr val = val1 ? initValue(e, ctx) : initValue2(e, ctx);
        if (e.getLoc().getIValue() == null) {
            reachedState = ctx.mkAnd(reachedState, ctx.mkEq(var, model.getConstInterp(val)));
        }
    }
    return reachedState;
}

Example 29 with Event

use of dartagnan.program.Event in project Dat3M by hernanponcedeleon.

the class Encodings method encodeMissingIndexes.

public static BoolExpr encodeMissingIndexes(If t, MapSSA map1, MapSSA map2, Context ctx) throws Z3Exception {
    BoolExpr ret = ctx.mkTrue();
    BoolExpr index = ctx.mkTrue();
    for (Object o : map1.keySet()) {
        Integer i1 = map1.get(o);
        Integer i2 = map2.get(o);
        if (i1 > i2) {
            if (o instanceof Register) {
                // for testing reachability
                for (Event e : t.getEvents()) {
                    if (!(e instanceof Load || e instanceof Local)) {
                        continue;
                    }
                    if (e.getSsaRegIndex() == i1 && e.getReg() == o) {
                        ret = ctx.mkAnd(ret, ctx.mkImplies(ctx.mkNot(e.executes(ctx)), ctx.mkEq(ssaReg((Register) o, i1, ctx), ssaReg((Register) o, i1 - 1, ctx))));
                    }
                }
                index = ctx.mkEq(ssaReg((Register) o, i1, ctx), ssaReg((Register) o, i2, ctx));
            }
            if (o instanceof Location) {
                index = ctx.mkEq(ctx.mkIntConst(String.format("%s_%s", o, i1)), ctx.mkIntConst(String.format("%s_%s", o, i2)));
            }
            ret = ctx.mkAnd(ret, ctx.mkImplies(ctx.mkBoolConst(t.getT2().cfVar()), index));
        }
    }
    for (Object o : map2.keySet()) {
        Integer i1 = map1.get(o);
        Integer i2 = map2.get(o);
        if (i2 > i1) {
            if (o instanceof Register) {
                for (Event e : t.getEvents()) {
                    if (!(e instanceof Load || e instanceof Local)) {
                        continue;
                    }
                    if (e.getSsaRegIndex() == i2 && e.getReg() == o) {
                        ret = ctx.mkAnd(ret, ctx.mkImplies(ctx.mkNot(e.executes(ctx)), ctx.mkEq(ssaReg((Register) o, i2, ctx), ssaReg((Register) o, i2 - 1, ctx))));
                    }
                }
                index = ctx.mkEq(ssaReg((Register) o, i2, ctx), ssaReg((Register) o, i1, ctx));
            }
            if (o instanceof Location) {
                index = ctx.mkEq(ctx.mkIntConst(String.format("%s_%s", o, i2)), ctx.mkIntConst(String.format("%s_%s", o, i1)));
            }
            ret = ctx.mkAnd(ret, ctx.mkImplies(ctx.mkBoolConst(t.getT1().cfVar()), index));
        }
    }
    return ret;
}

Example 30 with Event

use of dartagnan.program.Event in project Dat3M by hernanponcedeleon.

the class Encodings method encodeReachedState.

public static BoolExpr encodeReachedState(Program p, Model model, Context ctx) {
    Set<Location> locs = p.getEvents().stream().filter(e -> e instanceof MemEvent).map(e -> e.getLoc()).collect(Collectors.toSet());
    BoolExpr reachedState = ctx.mkTrue();
    for (Location loc : locs) {
        reachedState = ctx.mkAnd(reachedState, ctx.mkEq(lastValueLoc(loc, ctx), model.getConstInterp(lastValueLoc(loc, ctx))));
    }
    Set<Event> executedEvents = p.getEvents().stream().filter(e -> model.getConstInterp(e.executes(ctx)).isTrue()).collect(Collectors.toSet());
    Set<Register> regs = executedEvents.stream().filter(e -> e instanceof Local | e instanceof Load).map(e -> e.getReg()).collect(Collectors.toSet());
    for (Register reg : regs) {
        reachedState = ctx.mkAnd(reachedState, ctx.mkEq(lastValueReg(reg, ctx), model.getConstInterp(lastValueReg(reg, ctx))));
    }
    return reachedState;
}