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Example 1 with AConst

use of dartagnan.expression.AConst in project Dat3M by hernanponcedeleon.

the class Domain method encode.

public static BoolExpr encode(Program program, Context ctx) throws Z3Exception {
    BoolExpr enc = ctx.mkTrue();
    Set<Event> mEvents = program.getEvents().stream().filter(e -> e instanceof MemEvent).collect(Collectors.toSet());
    Set<Event> barriers = program.getEvents().stream().filter(e -> e instanceof Barrier).collect(Collectors.toSet());
    Set<Event> eventsL = program.getEvents().stream().filter(e -> e instanceof MemEvent || e instanceof Local).collect(Collectors.toSet());
    for (Event e : eventsL) {
        enc = ctx.mkAnd(enc, ctx.mkNot(edge("ii", e, e, ctx)));
        enc = ctx.mkAnd(enc, ctx.mkNot(edge("ic", e, e, ctx)));
        enc = ctx.mkAnd(enc, ctx.mkNot(edge("ci", e, e, ctx)));
        enc = ctx.mkAnd(enc, ctx.mkNot(edge("cc", e, e, ctx)));
    }
    for (Event e1 : mEvents) {
        for (Event e2 : mEvents) {
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("rf", e1, e2, ctx), ctx.mkAnd(e1.executes(ctx), e2.executes(ctx))));
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("co", e1, e2, ctx), ctx.mkAnd(e1.executes(ctx), e2.executes(ctx))));
            if (!(e1 instanceof Init)) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("IM", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("IW", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("IR", e1, e2, ctx)));
            } else {
                enc = ctx.mkAnd(enc, edge("IM", e1, e2, ctx));
            }
            if (!(e2 instanceof Init)) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("MI", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("WI", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("RI", e1, e2, ctx)));
            } else {
                enc = ctx.mkAnd(enc, edge("MI", e1, e2, ctx));
            }
            if (!(e1 instanceof Load)) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("RM", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("RW", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("RR", e1, e2, ctx)));
            } else {
                enc = ctx.mkAnd(enc, edge("RM", e1, e2, ctx));
            }
            if (!(e2 instanceof Load)) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("MR", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("WR", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("RR", e1, e2, ctx)));
            } else {
                enc = ctx.mkAnd(enc, edge("MR", e1, e2, ctx));
            }
            if (!(e1 instanceof Store || e1 instanceof Init)) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("WM", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("WW", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("WR", e1, e2, ctx)));
            } else {
                enc = ctx.mkAnd(enc, edge("WM", e1, e2, ctx));
            }
            if (!(e2 instanceof Store || e2 instanceof Init)) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("MW", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("WW", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("RW", e1, e2, ctx)));
            } else {
                enc = ctx.mkAnd(enc, edge("MW", e1, e2, ctx));
            }
            if (e1 instanceof Load && e2 instanceof Load) {
                enc = ctx.mkAnd(enc, edge("RR", e1, e2, ctx));
            }
            if (e1 instanceof Load && (e2 instanceof Init || e2 instanceof Store)) {
                enc = ctx.mkAnd(enc, edge("RW", e1, e2, ctx));
            }
            if ((e1 instanceof Init || e1 instanceof Store) && (e2 instanceof Init || e2 instanceof Store)) {
                enc = ctx.mkAnd(enc, edge("WW", e1, e2, ctx));
            }
            if ((e1 instanceof Init || e1 instanceof Store) && e2 instanceof Load) {
                enc = ctx.mkAnd(enc, edge("WR", e1, e2, ctx));
            }
            if (e1 == e2) {
                enc = ctx.mkAnd(enc, edge("id", e1, e2, ctx));
            } else {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("id", e1, e2, ctx)));
            }
            if (e1.getMainThread() == e2.getMainThread()) {
                enc = ctx.mkAnd(enc, edge("int", e1, e2, ctx));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("ext", e1, e2, ctx)));
                if (e1.getEId() < e2.getEId()) {
                    enc = ctx.mkAnd(enc, edge("po", e1, e2, ctx));
                    if (e1.getCondLevel() < e2.getCondLevel() && e1 instanceof Load && e2.getCondRegs().contains(e1.getReg())) {
                        enc = ctx.mkAnd(enc, edge("ctrlDirect", e1, e2, ctx));
                    } else {
                        enc = ctx.mkAnd(enc, ctx.mkNot(edge("ctrlDirect", e1, e2, ctx)));
                    }
                } else {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("po", e1, e2, ctx)));
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("ctrl", e1, e2, ctx)));
                }
                boolean noMfence = true;
                boolean noSync = true;
                boolean noLwsync = true;
                boolean noIsync = true;
                boolean noIsh = true;
                boolean noIsb = true;
                for (Event b : barriers.stream().filter(e -> e.getMainThread() == e1.getMainThread() && e1.getEId() < e.getEId() && e.getEId() < e2.getEId()).collect(Collectors.toSet())) {
                    if (b instanceof Mfence) {
                        noMfence = false;
                    }
                    if (b instanceof Sync) {
                        noSync = false;
                    }
                    if (b instanceof Lwsync) {
                        noLwsync = false;
                    }
                    if (b instanceof Isync) {
                        noIsync = false;
                    }
                    if (b instanceof Ish) {
                        noIsh = false;
                    }
                    if (b instanceof Isb) {
                        noIsb = false;
                    }
                }
                if (noMfence) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("mfence", e1, e2, ctx)));
                }
                if (noSync) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("sync", e1, e2, ctx)));
                }
                if (noLwsync) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("lwsync", e1, e2, ctx)));
                }
                if (noIsync) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("isync", e1, e2, ctx)));
                }
                if (noIsh) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("ish", e1, e2, ctx)));
                }
                if (noIsb) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("isb", e1, e2, ctx)));
                }
            } else {
                enc = ctx.mkAnd(enc, edge("ext", e1, e2, ctx));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("int", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("po", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("ctrl", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("ii", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("ic", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("ci", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("cc", e1, e2, ctx)));
            }
            if (e1.getLoc() == e2.getLoc()) {
                enc = ctx.mkAnd(enc, edge("loc", e1, e2, ctx));
            } else {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("loc", e1, e2, ctx)));
            }
            if (!((e1 instanceof Store || e1 instanceof Init) && e2 instanceof Load && e1.getLoc() == e2.getLoc())) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("rf", e1, e2, ctx)));
            }
            if (!((e1 instanceof Store || e1 instanceof Init) && (e2 instanceof Store || e2 instanceof Init) && e1.getLoc() == e2.getLoc())) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("co", e1, e2, ctx)));
            }
            if (!(e1.getMainThread() == e2.getMainThread() && e1.getEId() < e2.getEId())) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("mfence", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("sync", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("lwsync", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("isync", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("ish", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("isb", e1, e2, ctx)));
            }
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("rfe", e1, e2, ctx), ctx.mkAnd(edge("rf", e1, e2, ctx), edge("ext", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("rfi", e1, e2, ctx), ctx.mkAnd(edge("rf", e1, e2, ctx), edge("int", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("coe", e1, e2, ctx), ctx.mkAnd(edge("co", e1, e2, ctx), edge("ext", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("coi", e1, e2, ctx), ctx.mkAnd(edge("co", e1, e2, ctx), edge("int", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("fre", e1, e2, ctx), ctx.mkAnd(edge("fr", e1, e2, ctx), edge("ext", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("fri", e1, e2, ctx), ctx.mkAnd(edge("fr", e1, e2, ctx), edge("int", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("poloc", e1, e2, ctx), ctx.mkAnd(edge("po", e1, e2, ctx), edge("loc", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("ctrlisync", e1, e2, ctx), ctx.mkAnd(edge("ctrl", e1, e2, ctx), edge("isync", e1, e2, ctx))));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("ctrlisb", e1, e2, ctx), ctx.mkAnd(edge("ctrl", e1, e2, ctx), edge("isb", e1, e2, ctx))));
        }
    }
    for (Event e1 : mEvents) {
        for (Event e2 : mEvents) {
            BoolExpr mfences = ctx.mkFalse();
            BoolExpr syncs = ctx.mkFalse();
            BoolExpr lwsyncs = ctx.mkFalse();
            BoolExpr isyncs = ctx.mkFalse();
            BoolExpr ishs = ctx.mkFalse();
            BoolExpr isbs = ctx.mkFalse();
            for (Event b : barriers) {
                if (b instanceof Mfence && e1.getMainThread() == b.getMainThread() && b.getMainThread() == e2.getMainThread() && e1.getEId() < b.getEId() && b.getEId() < e2.getEId()) {
                    mfences = ctx.mkOr(mfences, b.executes(ctx));
                    enc = ctx.mkAnd(enc, ctx.mkImplies(ctx.mkAnd(e1.executes(ctx), ctx.mkAnd(b.executes(ctx), e2.executes(ctx))), edge("mfence", e1, e2, ctx)));
                }
                if (b instanceof Sync && e1.getMainThread() == b.getMainThread() && b.getMainThread() == e2.getMainThread() && e1.getEId() < b.getEId() && b.getEId() < e2.getEId()) {
                    syncs = ctx.mkOr(syncs, b.executes(ctx));
                    enc = ctx.mkAnd(enc, ctx.mkImplies(ctx.mkAnd(e1.executes(ctx), ctx.mkAnd(b.executes(ctx), e2.executes(ctx))), edge("sync", e1, e2, ctx)));
                }
                if (b instanceof Lwsync && e1.getMainThread() == b.getMainThread() && b.getMainThread() == e2.getMainThread() && e1.getEId() < b.getEId() && b.getEId() < e2.getEId()) {
                    lwsyncs = ctx.mkOr(lwsyncs, b.executes(ctx));
                    enc = ctx.mkAnd(enc, ctx.mkImplies(ctx.mkAnd(e1.executes(ctx), ctx.mkAnd(b.executes(ctx), e2.executes(ctx))), edge("lwsync", e1, e2, ctx)));
                }
                if (b instanceof Isync && e1.getMainThread() == b.getMainThread() && b.getMainThread() == e2.getMainThread() && e1.getEId() < b.getEId() && b.getEId() < e2.getEId()) {
                    isyncs = ctx.mkOr(isyncs, b.executes(ctx));
                    enc = ctx.mkAnd(enc, ctx.mkImplies(ctx.mkAnd(e1.executes(ctx), ctx.mkAnd(b.executes(ctx), e2.executes(ctx))), edge("isync", e1, e2, ctx)));
                }
                if (b instanceof Ish && e1.getMainThread() == b.getMainThread() && b.getMainThread() == e2.getMainThread() && e1.getEId() < b.getEId() && b.getEId() < e2.getEId()) {
                    ishs = ctx.mkOr(ishs, b.executes(ctx));
                    enc = ctx.mkAnd(enc, ctx.mkImplies(ctx.mkAnd(e1.executes(ctx), ctx.mkAnd(b.executes(ctx), e2.executes(ctx))), edge("ish", e1, e2, ctx)));
                }
                if (b instanceof Isb && e1.getMainThread() == b.getMainThread() && b.getMainThread() == e2.getMainThread() && e1.getEId() < b.getEId() && b.getEId() < e2.getEId()) {
                    isbs = ctx.mkOr(isbs, b.executes(ctx));
                    enc = ctx.mkAnd(enc, ctx.mkImplies(ctx.mkAnd(e1.executes(ctx), ctx.mkAnd(b.executes(ctx), e2.executes(ctx))), edge("isb", e1, e2, ctx)));
                }
            }
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("mfence", e1, e2, ctx), mfences));
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("sync", e1, e2, ctx), syncs));
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("lwsync", e1, e2, ctx), lwsyncs));
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("isync", e1, e2, ctx), isyncs));
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("ish", e1, e2, ctx), ishs));
            enc = ctx.mkAnd(enc, ctx.mkImplies(edge("isb", e1, e2, ctx), isbs));
        }
    }
    for (Event e1 : eventsL) {
        for (Event e2 : eventsL) {
            if (e1.getMainThread() != e2.getMainThread() || e2.getEId() < e1.getEId() || e1 == e2) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", e1, e2, ctx)));
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("data", e1, e2, ctx)));
            }
            if (e2 instanceof Store) {
                if (!e2.getLastModMap().get(e2.getReg()).contains(e1)) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", e1, e2, ctx)));
                }
            }
            if (e2 instanceof Load) {
                if (!e2.getLastModMap().keySet().contains(e2.getLoc())) {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", e1, e2, ctx)));
                }
            }
            if (e2 instanceof Local && e2.getExpr() instanceof AConst) {
                enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", e1, e2, ctx)));
            }
        }
    }
    for (Event e : eventsL) {
        if (e instanceof Store) {
            BoolExpr orClause = ctx.mkFalse();
            for (Event x : eventsL) {
                if (e.getLastModMap().get(e.getReg()).contains(x)) {
                    orClause = ctx.mkOr(orClause, edge("idd", x, e, ctx));
                } else {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", x, e, ctx)));
                }
            }
            enc = ctx.mkAnd(enc, orClause);
        }
        if (e instanceof Load) {
            if (!e.getLastModMap().keySet().contains(e.getLoc())) {
                continue;
            }
            BoolExpr orClause = ctx.mkFalse();
            for (Event x : eventsL) {
                if (e.getLastModMap().get(e.getLoc()).contains(x)) {
                    orClause = ctx.mkOr(orClause, edge("idd", x, e, ctx));
                } else {
                    enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", x, e, ctx)));
                }
            }
            enc = ctx.mkAnd(enc, orClause);
        }
        if (e instanceof Local) {
            for (Register reg : e.getExpr().getRegs()) {
                BoolExpr orClause = ctx.mkFalse();
                for (Event x : eventsL) {
                    if (e.getLastModMap().get(reg).contains(x)) {
                        orClause = ctx.mkOr(orClause, edge("idd", x, e, ctx));
                    } else {
                        enc = ctx.mkAnd(enc, ctx.mkNot(edge("idd", x, e, ctx)));
                    }
                }
                enc = ctx.mkAnd(enc, orClause);
            }
        }
    }
    for (Event e1 : mEvents) {
        for (Event e2 : mEvents) {
            BoolExpr ctrlClause = edge("ctrlDirect", e1, e2, ctx);
            BoolExpr orClause = ctx.mkFalse();
            for (Event e3 : mEvents) {
                ctrlClause = ctx.mkOr(ctrlClause, ctx.mkAnd(edge("ctrl", e1, e3, ctx), edge("po", e3, e2, ctx)));
                orClause = ctx.mkOr(orClause, ctx.mkAnd(edge("rf", e3, e1, ctx), edge("co", e3, e2, ctx)));
            }
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("fr", e1, e2, ctx), orClause));
            enc = ctx.mkAnd(enc, ctx.mkEq(edge("ctrl", e1, e2, ctx), ctrlClause));
        }
    }
    Set<Location> locs = mEvents.stream().filter(e -> e instanceof MemEvent).map(e -> e.getLoc()).collect(Collectors.toSet());
    for (Location loc : locs) {
        Set<Event> writesEventsLoc = mEvents.stream().filter(e -> (e instanceof Store || e instanceof Init) && e.getLoc() == loc).collect(Collectors.toSet());
        enc = ctx.mkAnd(enc, satTO("co", writesEventsLoc, ctx));
    }
    for (Event e : mEvents.stream().filter(e -> e instanceof Init).collect(Collectors.toSet())) {
        enc = ctx.mkAnd(enc, ctx.mkEq(intVar("co", e, ctx), ctx.mkInt(1)));
    }
    for (Event w1 : mEvents.stream().filter(e -> e instanceof Init || e instanceof Store).collect(Collectors.toSet())) {
        Set<Event> writeSameLoc = mEvents.stream().filter(e -> (e instanceof Init || e instanceof Store) && w1.getLoc() == e.getLoc()).collect(Collectors.toSet());
        BoolExpr lastCoOrder = w1.executes(ctx);
        for (Event w2 : writeSameLoc) {
            lastCoOrder = ctx.mkAnd(lastCoOrder, ctx.mkNot(edge("co", w1, w2, ctx)));
        }
        enc = ctx.mkAnd(enc, ctx.mkImplies(lastCoOrder, ctx.mkEq(lastValueLoc(w1.getLoc(), ctx), ((MemEvent) w1).ssaLoc)));
    }
    for (Event r1 : eventsL.stream().filter(e -> e instanceof Load || e instanceof Local).collect(Collectors.toSet())) {
        Set<Event> modRegLater = eventsL.stream().filter(e -> (e instanceof Load || e instanceof Local) && r1.getReg() == e.getReg() && r1.getEId() < e.getEId()).collect(Collectors.toSet());
        BoolExpr lastModReg = r1.executes(ctx);
        for (Event r2 : modRegLater) {
            lastModReg = ctx.mkAnd(lastModReg, ctx.mkNot(r2.executes(ctx)));
        }
        enc = ctx.mkAnd(enc, ctx.mkImplies(lastModReg, ctx.mkEq(lastValueReg(r1.getReg(), ctx), ssaReg(r1.getReg(), r1.getSsaRegIndex(), ctx))));
    }
    for (Event e : mEvents.stream().filter(e -> e instanceof Load).collect(Collectors.toSet())) {
        Set<Event> storeEventsLoc = mEvents.stream().filter(x -> (x instanceof Store || x instanceof Init) && e.getLoc() == x.getLoc()).collect(Collectors.toSet());
        Set<BoolExpr> rfPairs = new HashSet<BoolExpr>();
        for (Event w : storeEventsLoc) {
            rfPairs.add(edge("rf", w, e, ctx));
        }
        enc = ctx.mkAnd(enc, ctx.mkImplies(e.executes(ctx), encodeEO(rfPairs, ctx)));
    }
    return enc;
}
Also used : Utils.lastValueReg(dartagnan.utils.Utils.lastValueReg) EncodingsCAT.encodeEO(dartagnan.wmm.EncodingsCAT.encodeEO) Lwsync(dartagnan.program.Lwsync) Utils.intVar(dartagnan.utils.Utils.intVar) Barrier(dartagnan.program.Barrier) AConst(dartagnan.expression.AConst) Mfence(dartagnan.program.Mfence) HashSet(java.util.HashSet) Ish(dartagnan.program.Ish) Register(dartagnan.program.Register) Load(dartagnan.program.Load) MemEvent(dartagnan.program.MemEvent) Isb(dartagnan.program.Isb) Program(dartagnan.program.Program) Utils.edge(dartagnan.utils.Utils.edge) Store(dartagnan.program.Store) Location(dartagnan.program.Location) Sync(dartagnan.program.Sync) com.microsoft.z3(com.microsoft.z3) Event(dartagnan.program.Event) EncodingsCAT.satTO(dartagnan.wmm.EncodingsCAT.satTO) Set(java.util.Set) Collectors(java.util.stream.Collectors) Init(dartagnan.program.Init) Local(dartagnan.program.Local) Isync(dartagnan.program.Isync) Utils.ssaReg(dartagnan.utils.Utils.ssaReg) Utils.lastValueLoc(dartagnan.utils.Utils.lastValueLoc) Load(dartagnan.program.Load) Local(dartagnan.program.Local) Store(dartagnan.program.Store) Barrier(dartagnan.program.Barrier) AConst(dartagnan.expression.AConst) Init(dartagnan.program.Init) Lwsync(dartagnan.program.Lwsync) Register(dartagnan.program.Register) MemEvent(dartagnan.program.MemEvent) Mfence(dartagnan.program.Mfence) MemEvent(dartagnan.program.MemEvent) Event(dartagnan.program.Event) Isb(dartagnan.program.Isb) Sync(dartagnan.program.Sync) Isync(dartagnan.program.Isync) Ish(dartagnan.program.Ish) Location(dartagnan.program.Location) HashSet(java.util.HashSet)

Example 2 with AConst

use of dartagnan.expression.AConst in project Dat3M by hernanponcedeleon.

the class While method unroll.

public Thread unroll(int steps, boolean obsNoTermination) {
    if (steps == 0) {
        if (obsNoTermination) {
            int oldCondLevel = condLevel;
            Register rTerm = new Register("rTerm");
            Local newLocal = new Local(rTerm, new AConst(1));
            newLocal.condLevel = condLevel;
            Location termination = new Location(String.format("termination_%s", hashCode()));
            Store newStore = new Store(termination, rTerm);
            newStore.condLevel = condLevel;
            Thread newThread = new If(pred, new Seq(newLocal, newStore), new Skip());
            newThread.condLevel = oldCondLevel;
            return newThread;
        }
        return new Skip();
    } else {
        Thread copyT = t.clone();
        copyT.decCondLevel();
        copyT = copyT.unroll(steps);
        int oldCondLevel = condLevel;
        Thread newThread = new If(pred, new Seq(copyT, unroll(steps - 1, obsNoTermination)), new Skip());
        newThread.condLevel = oldCondLevel;
        return newThread;
    }
}
Also used : AConst(dartagnan.expression.AConst)

Aggregations

AConst (dartagnan.expression.AConst)2 com.microsoft.z3 (com.microsoft.z3)1 Barrier (dartagnan.program.Barrier)1 Event (dartagnan.program.Event)1 Init (dartagnan.program.Init)1 Isb (dartagnan.program.Isb)1 Ish (dartagnan.program.Ish)1 Isync (dartagnan.program.Isync)1 Load (dartagnan.program.Load)1 Local (dartagnan.program.Local)1 Location (dartagnan.program.Location)1 Lwsync (dartagnan.program.Lwsync)1 MemEvent (dartagnan.program.MemEvent)1 Mfence (dartagnan.program.Mfence)1 Program (dartagnan.program.Program)1 Register (dartagnan.program.Register)1 Store (dartagnan.program.Store)1 Sync (dartagnan.program.Sync)1 Utils.edge (dartagnan.utils.Utils.edge)1 Utils.intVar (dartagnan.utils.Utils.intVar)1