Examples with Property com.dat3m.dartagnan.configuration.Property used on opensource projects

Example 1 with Property

use of com.dat3m.dartagnan.configuration.Property in project Dat3M by hernanponcedeleon.

the class Dartagnan method main.

public static void main(String[] args) throws Exception {
    if (Arrays.asList(args).contains("--help")) {
        collectOptions();
        return;
    }
    CreateGitInfo();
    String[] argKeyword = Arrays.stream(args).filter(s -> s.startsWith("-")).toArray(String[]::new);
    // TODO: We don't parse configs yet
    Configuration config = Configuration.fromCmdLineArguments(argKeyword);
    Dartagnan o = new Dartagnan(config);
    if (Arrays.stream(args).noneMatch(a -> supportedFormats.stream().anyMatch(a::endsWith))) {
        throw new IllegalArgumentException("Input program not given or format not recognized");
    }
    // get() is guaranteed to success
    File fileProgram = new File(Arrays.stream(args).filter(a -> supportedFormats.stream().anyMatch(a::endsWith)).findFirst().get());
    logger.info("Program path: " + fileProgram);
    if (Arrays.stream(args).noneMatch(a -> a.endsWith(".cat"))) {
        throw new IllegalArgumentException("CAT model not given or format not recognized");
    }
    // get() is guaranteed to success
    File fileModel = new File(Arrays.stream(args).filter(a -> a.endsWith(".cat")).findFirst().get());
    logger.info("CAT file path: " + fileModel);
    Wmm mcm = new ParserCat().parse(fileModel);
    Program p = new ProgramParser().parse(fileProgram);
    EnumSet<Property> properties = o.getProperty();
    WitnessGraph witness = new WitnessGraph();
    if (o.runValidator()) {
        logger.info("Witness path: " + o.getWitnessPath());
        witness = new ParserWitness().parse(new File(o.getWitnessPath()));
    }
    VerificationTask task = VerificationTask.builder().withConfig(config).withWitness(witness).build(p, mcm, properties);
    ShutdownManager sdm = ShutdownManager.create();
    Thread t = new Thread(() -> {
        try {
            if (o.hasTimeout()) {
                // Converts timeout from secs to millisecs
                Thread.sleep(1000L * o.getTimeout());
                sdm.requestShutdown("Shutdown Request");
                logger.warn("Shutdown Request");
            }
        } catch (InterruptedException e) {
        // Verification ended, nothing to be done.
        }
    });
    try {
        t.start();
        Configuration solverConfig = Configuration.builder().setOption(PHANTOM_REFERENCES, valueOf(o.usePhantomReferences())).build();
        try (SolverContext ctx = SolverContextFactory.createSolverContext(solverConfig, BasicLogManager.create(solverConfig), sdm.getNotifier(), o.getSolver());
            ProverEnvironment prover = ctx.newProverEnvironment(ProverOptions.GENERATE_MODELS)) {
            Result result = UNKNOWN;
            if (properties.contains(RACES)) {
                if (properties.size() > 1) {
                    System.out.println("Data race detection cannot be combined with other properties");
                    System.exit(1);
                }
                result = DataRaceSolver.run(ctx, prover, task);
            } else {
                // Property is either LIVENESS and/or REACHABILITY
                switch(o.getMethod()) {
                    case TWO:
                        try (ProverEnvironment prover2 = ctx.newProverEnvironment(ProverOptions.GENERATE_MODELS)) {
                            result = TwoSolvers.run(ctx, prover, prover2, task);
                        }
                        break;
                    case INCREMENTAL:
                        result = IncrementalSolver.run(ctx, prover, task);
                        break;
                    case ASSUME:
                        result = AssumeSolver.run(ctx, prover, task);
                        break;
                    case CAAT:
                        result = RefinementSolver.run(ctx, prover, RefinementTask.fromVerificationTaskWithDefaultBaselineWMM(task));
                        break;
                }
            }
            // Verification ended, we can interrupt the timeout Thread
            t.interrupt();
            if (result.equals(FAIL) && o.generateGraphviz()) {
                ExecutionModel m = new ExecutionModel(task);
                m.initialize(prover.getModel(), ctx);
                String name = task.getProgram().getName().substring(0, task.getProgram().getName().lastIndexOf('.'));
                generateGraphvizFile(m, 1, (x, y) -> true, System.getenv("DAT3M_HOME") + "/output/", name);
            }
            if (p.getFormat().equals(SourceLanguage.LITMUS)) {
                if (p.getAssFilter() != null) {
                    System.out.println("Filter " + (p.getAssFilter()));
                }
                System.out.println("Condition " + p.getAss().toStringWithType());
                System.out.println(result == FAIL ? "Ok" : "No");
            } else {
                if (result == FAIL) {
                    if (TRUE.equals(prover.getModel().evaluate(REACHABILITY.getSMTVariable(ctx)))) {
                        System.out.println("Safety violation found");
                    }
                    if (TRUE.equals(prover.getModel().evaluate(LIVENESS.getSMTVariable(ctx)))) {
                        System.out.println("Liveness violation found");
                    }
                }
                System.out.println(result);
            }
            try {
                WitnessBuilder w = new WitnessBuilder(task, ctx, prover, result);
                // and if we are not doing witness validation
                if (properties.contains(REACHABILITY) && w.canBeBuilt() && !o.runValidator()) {
                    w.build().write();
                }
            } catch (InvalidConfigurationException e) {
                logger.warn(e.getMessage());
            }
        }
    } catch (InterruptedException e) {
        logger.warn("Timeout elapsed. The SMT solver was stopped");
        System.out.println("TIMEOUT");
        System.exit(0);
    } catch (Exception e) {
        logger.error(e.getMessage());
        System.out.println("ERROR");
        System.exit(1);
    }
}

Example 2 with Property

use of com.dat3m.dartagnan.configuration.Property in project Dat3M by hernanponcedeleon.

the class PropertyEncoder method encodeDataRaces.

public BooleanFormula encodeDataRaces(SolverContext ctx) {
    final String hb = "hb";
    checkState(memoryModel.getAxioms().stream().anyMatch(ax -> ax.isAcyclicity() && ax.getRelation().getName().equals(hb)), "The provided WMM needs an 'acyclic(hb)' axiom to encode data races.");
    logger.info("Encoding data-races");
    BooleanFormulaManager bmgr = ctx.getFormulaManager().getBooleanFormulaManager();
    IntegerFormulaManager imgr = ctx.getFormulaManager().getIntegerFormulaManager();
    BooleanFormula enc = bmgr.makeFalse();
    for (Thread t1 : program.getThreads()) {
        for (Thread t2 : program.getThreads()) {
            if (t1.getId() == t2.getId()) {
                continue;
            }
            for (Event e1 : t1.getCache().getEvents(FilterMinus.get(FilterBasic.get(Tag.WRITE), FilterBasic.get(Tag.INIT)))) {
                MemEvent w = (MemEvent) e1;
                for (Event e2 : t2.getCache().getEvents(FilterMinus.get(FilterBasic.get(Tag.MEMORY), FilterBasic.get(Tag.INIT)))) {
                    MemEvent m = (MemEvent) e2;
                    if (w.hasFilter(Tag.RMW) && m.hasFilter(Tag.RMW)) {
                        continue;
                    }
                    if (w.canRace() && m.canRace() && alias.mayAlias(w, m)) {
                        BooleanFormula conflict = bmgr.and(m.exec(), w.exec(), edge(hb, m, w, ctx), generalEqual(w.getMemAddressExpr(), m.getMemAddressExpr(), ctx), imgr.equal(intVar(hb, w, ctx), imgr.add(intVar(hb, m, ctx), imgr.makeNumber(BigInteger.ONE))));
                        enc = bmgr.or(enc, conflict);
                    }
                }
            }
        }
    }
    // We use the SMT variable to extract from the model if the property was violated
    enc = bmgr.equivalence(RACES.getSMTVariable(ctx), enc);
    return bmgr.and(RACES.getSMTVariable(ctx), enc);
}

Example 3 with Property

use of com.dat3m.dartagnan.configuration.Property in project Dat3M by hernanponcedeleon.

the class PropertyEncoder method encodeLiveness.

public BooleanFormula encodeLiveness(SolverContext ctx) {
    // Further, we assume that the spinloops are indeed correct, i.e., side-effect free
    class SpinLoop {

        public List<Load> loads = new ArrayList<>();

        public Event bound;
    }
    logger.info("Encoding liveness");
    Map<Thread, List<SpinLoop>> spinloopsMap = new HashMap<>();
    // Find spinloops of all threads
    for (Thread t : program.getThreads()) {
        List<Event> spinStarts = t.getEvents().stream().filter(e -> e instanceof Label && e.is(Tag.SPINLOOP)).collect(Collectors.toList());
        List<SpinLoop> spinLoops = new ArrayList<>();
        spinloopsMap.put(t, spinLoops);
        for (Event start : spinStarts) {
            SpinLoop loop = new SpinLoop();
            Event cur = start.getSuccessor();
            while (!cur.is(Tag.SPINLOOP)) {
                if (cur.is(Tag.READ)) {
                    loop.loads.add((Load) cur);
                }
                cur = cur.getSuccessor();
            }
            loop.bound = cur;
            spinLoops.add(loop);
        }
    }
    BooleanFormulaManager bmgr = ctx.getFormulaManager().getBooleanFormulaManager();
    RelRf rf = (RelRf) memoryModel.getRelationRepository().getRelation(RelationNameRepository.RF);
    RelCo co = (RelCo) memoryModel.getRelationRepository().getRelation(RelationNameRepository.CO);
    // Compute "stuckness": A thread is stuck if it reaches a spinloop bound event
    // while reading from a co-maximal write.
    Map<Thread, BooleanFormula> isStuckMap = new HashMap<>();
    for (Thread t : program.getThreads()) {
        List<SpinLoop> loops = spinloopsMap.get(t);
        if (loops.isEmpty()) {
            continue;
        }
        BooleanFormula isStuck = bmgr.makeFalse();
        for (SpinLoop pair : loops) {
            BooleanFormula allCoMaximalLoad = bmgr.makeTrue();
            for (Load load : pair.loads) {
                BooleanFormula coMaximalLoad = bmgr.makeFalse();
                for (Tuple rfEdge : rf.getMaxTupleSet().getBySecond(load)) {
                    coMaximalLoad = bmgr.or(coMaximalLoad, bmgr.and(rf.getSMTVar(rfEdge, ctx), co.getLastCoVar(rfEdge.getFirst(), ctx)));
                }
                allCoMaximalLoad = bmgr.and(allCoMaximalLoad, coMaximalLoad);
            }
            isStuck = bmgr.or(isStuck, bmgr.and(pair.bound.exec(), allCoMaximalLoad));
        }
        isStuckMap.put(t, isStuck);
    }
    // LivenessViolation <=> allStuckOrDone /\ atLeastOneStuck
    BooleanFormula allStuckOrDone = bmgr.makeTrue();
    BooleanFormula atLeastOneStuck = bmgr.makeFalse();
    for (Thread t : program.getThreads()) {
        BooleanFormula isStuck = isStuckMap.getOrDefault(t, bmgr.makeFalse());
        BooleanFormula isDone = t.getCache().getEvents(FilterBasic.get(Tag.BOUND)).stream().map(e -> bmgr.not(e.exec())).reduce(bmgr.makeTrue(), bmgr::and);
        atLeastOneStuck = bmgr.or(atLeastOneStuck, isStuck);
        allStuckOrDone = bmgr.and(allStuckOrDone, bmgr.or(isStuck, isDone));
    }
    // We use the SMT variable to extract from the model if the property was violated
    BooleanFormula enc = bmgr.equivalence(LIVENESS.getSMTVariable(ctx), bmgr.and(allStuckOrDone, atLeastOneStuck));
    return bmgr.and(LIVENESS.getSMTVariable(ctx), enc);
}

Example 4 with Property

use of com.dat3m.dartagnan.configuration.Property in project Dat3M by hernanponcedeleon.

the class SVCOMPRunner method main.

public static void main(String[] args) throws Exception {
    if (Arrays.asList(args).contains("--help")) {
        collectOptions();
        return;
    }
    if (Arrays.stream(args).noneMatch(a -> supportedFormats.stream().anyMatch(a::endsWith))) {
        throw new IllegalArgumentException("Input program not given or format not recognized");
    }
    if (Arrays.stream(args).noneMatch(a -> a.endsWith(".cat"))) {
        throw new IllegalArgumentException("CAT model not given or format not recognized");
    }
    File fileModel = new File(Arrays.stream(args).filter(a -> a.endsWith(".cat")).findFirst().get());
    String programPath = Arrays.stream(args).filter(a -> supportedFormats.stream().anyMatch(a::endsWith)).findFirst().get();
    File fileProgram = new File(programPath);
    String[] argKeyword = Arrays.stream(args).filter(s -> s.startsWith("-")).toArray(String[]::new);
    Configuration config = Configuration.fromCmdLineArguments(argKeyword);
    SVCOMPRunner r = new SVCOMPRunner();
    config.recursiveInject(r);
    WitnessGraph witness = new WitnessGraph();
    if (r.witnessPath != null) {
        witness = new ParserWitness().parse(new File(r.witnessPath));
        if (!fileProgram.getName().equals(Paths.get(witness.getProgram()).getFileName().toString())) {
            throw new RuntimeException("The witness was generated from a different program than " + fileProgram);
        }
    }
    int bound = witness.hasAttributed(UNROLLBOUND.toString()) ? parseInt(witness.getAttributed(UNROLLBOUND.toString())) : r.umin;
    File tmp = new SVCOMPSanitizer(fileProgram).run(bound);
    // First time we compiler with standard atomic header to catch compilation problems
    compileWithClang(tmp);
    String output = "UNKNOWN";
    while (output.equals("UNKNOWN")) {
        compileWithSmack(tmp);
        // If not removed here, file is not removed when we reach the timeout
        // File can be safely deleted since it was created by the SVCOMPSanitizer
        // (it not the original C file) and we already created the Boogie file
        tmp.delete();
        String boogieName = System.getenv().get("DAT3M_HOME") + "/output/" + Files.getNameWithoutExtension(programPath) + ".bpl";
        if (r.sanitize) {
            BoogieSan.write(boogieName);
        }
        ArrayList<String> cmd = new ArrayList<>();
        cmd.add("java");
        cmd.add("-Dlog4j.configurationFile=" + System.getenv().get("DAT3M_HOME") + "/dartagnan/src/main/resources/log4j2.xml");
        cmd.add("-DLOGNAME=" + Files.getNameWithoutExtension(programPath));
        cmd.addAll(Arrays.asList("-jar", System.getenv().get("DAT3M_HOME") + "/dartagnan/target/dartagnan-3.0.0.jar"));
        cmd.add(fileModel.toString());
        cmd.add(boogieName);
        cmd.add(String.format("--%s=%s", PROPERTY, r.property.asStringOption()));
        cmd.add(String.format("--%s=%s", BOUND, bound));
        cmd.add(String.format("--%s=%s", WITNESS_ORIGINAL_PROGRAM_PATH, programPath));
        cmd.addAll(filterOptions(config));
        ProcessBuilder processBuilder = new ProcessBuilder(cmd);
        try {
            Process proc = processBuilder.start();
            BufferedReader read = new BufferedReader(new InputStreamReader(proc.getInputStream()));
            proc.waitFor();
            while (read.ready()) {
                output = read.readLine();
                System.out.println(output);
            }
            if (proc.exitValue() == 1) {
                BufferedReader error = new BufferedReader(new InputStreamReader(proc.getErrorStream()));
                while (error.ready()) {
                    System.out.println(error.readLine());
                }
                System.exit(0);
            }
        } catch (Exception e) {
            System.out.println(e.getMessage());
            System.exit(0);
        }
        if (bound > r.umax) {
            System.out.println("PASS");
            break;
        }
        // We always do iterations 1 and 2 and then use the step
        bound = bound == 1 ? 2 : bound + r.step;
        tmp = new SVCOMPSanitizer(fileProgram).run(bound);
    }
    tmp.delete();
}