Examples with Status su.litvak.chromecast.api.v2.Status used on opensource projects

Example 1 with Status

use of su.litvak.chromecast.api.v2.Status in project Dat3M by hernanponcedeleon.

the class Porthos method main.

public static void main(String[] args) throws Z3Exception, IOException {
    List<String> MCMs = Arrays.asList("sc", "tso", "pso", "rmo", "alpha", "power", "arm");
    Options options = new Options();
    Option sourceOpt = new Option("s", "source", true, "source MCM");
    sourceOpt.setRequired(true);
    options.addOption(sourceOpt);
    Option targetOpt = new Option("t", "target", true, "target MCM");
    targetOpt.setRequired(true);
    options.addOption(targetOpt);
    Option inputOpt = new Option("i", "input", true, "input file path");
    inputOpt.setRequired(true);
    options.addOption(inputOpt);
    options.addOption("state", false, "PORTHOS performs state portability");
    options.addOption(Option.builder("draw").hasArg().desc("If a buf is found, it outputs a graph \\path_to_file.dot").build());
    options.addOption(Option.builder("rels").hasArgs().desc("Relations to be drawn in the graph").build());
    options.addOption(Option.builder("unroll").hasArg().desc("Unrolling steps").build());
    CommandLineParser parserCmd = new DefaultParser();
    HelpFormatter formatter = new HelpFormatter();
    CommandLine cmd;
    try {
        cmd = parserCmd.parse(options, args);
    } catch (ParseException e) {
        System.out.println(e.getMessage());
        formatter.printHelp("PORTHOS", options);
        System.exit(1);
        return;
    }
    String source = cmd.getOptionValue("source");
    if (!MCMs.stream().anyMatch(mcms -> mcms.trim().equals(source))) {
        System.out.println("Unrecognized source");
        System.exit(0);
        return;
    }
    String target = cmd.getOptionValue("target");
    if (!MCMs.stream().anyMatch(mcms -> mcms.trim().equals(target))) {
        System.out.println("Unrecognized target");
        System.exit(0);
        return;
    }
    String inputFilePath = cmd.getOptionValue("input");
    if (!inputFilePath.endsWith("pts") && !inputFilePath.endsWith("litmus")) {
        System.out.println("Unrecognized program format");
        System.exit(0);
        return;
    }
    File file = new File(inputFilePath);
    boolean statePortability = cmd.hasOption("state");
    String[] rels = new String[100];
    if (cmd.hasOption("rels")) {
        rels = cmd.getOptionValues("rels");
    }
    String program = FileUtils.readFileToString(file, "UTF-8");
    ANTLRInputStream input = new ANTLRInputStream(program);
    Program p = new Program(inputFilePath);
    if (inputFilePath.endsWith("litmus")) {
        LitmusLexer lexer = new LitmusLexer(input);
        CommonTokenStream tokens = new CommonTokenStream(lexer);
        LitmusParser parser = new LitmusParser(tokens);
        p = parser.program(inputFilePath).p;
    }
    if (inputFilePath.endsWith("pts")) {
        PorthosLexer lexer = new PorthosLexer(input);
        CommonTokenStream tokens = new CommonTokenStream(lexer);
        PorthosParser parser = new PorthosParser(tokens);
        p = parser.program(inputFilePath).p;
    }
    int steps = 1;
    if (cmd.hasOption("unroll")) {
        steps = Integer.parseInt(cmd.getOptionValue("unroll"));
    }
    p.initialize(steps);
    Program pSource = p.clone();
    Program pTarget = p.clone();
    pSource.compile(source, false, true);
    Integer startEId = Collections.max(pSource.getEvents().stream().filter(e -> e instanceof Init).map(e -> e.getEId()).collect(Collectors.toSet())) + 1;
    pTarget.compile(target, false, true, startEId);
    Context ctx = new Context();
    ctx.setPrintMode(Z3_ast_print_mode.Z3_PRINT_SMTLIB_FULL);
    Solver s = ctx.mkSolver();
    Solver s2 = ctx.mkSolver();
    BoolExpr sourceDF = pSource.encodeDF(ctx);
    BoolExpr sourceCF = pSource.encodeCF(ctx);
    BoolExpr sourceDF_RF = pSource.encodeDF_RF(ctx);
    BoolExpr sourceDomain = Domain.encode(pSource, ctx);
    BoolExpr sourceMM = pSource.encodeMM(ctx, source);
    s.add(pTarget.encodeDF(ctx));
    s.add(pTarget.encodeCF(ctx));
    s.add(pTarget.encodeDF_RF(ctx));
    s.add(Domain.encode(pTarget, ctx));
    s.add(pTarget.encodeMM(ctx, target));
    s.add(pTarget.encodeConsistent(ctx, target));
    s.add(sourceDF);
    s.add(sourceCF);
    s.add(sourceDF_RF);
    s.add(sourceDomain);
    s.add(sourceMM);
    s.add(pSource.encodeInconsistent(ctx, source));
    s.add(encodeCommonExecutions(pTarget, pSource, ctx));
    s2.add(sourceDF);
    s2.add(sourceCF);
    s2.add(sourceDF_RF);
    s2.add(sourceDomain);
    s2.add(sourceMM);
    s2.add(pSource.encodeConsistent(ctx, source));
    if (!statePortability) {
        if (s.check() == Status.SATISFIABLE) {
            System.out.println("The program is not portable");
            // System.out.println("       0");
            if (cmd.hasOption("draw")) {
                String outputPath = cmd.getOptionValue("draw");
                Utils.drawGraph(p, pSource, pTarget, ctx, s.getModel(), outputPath, rels);
            }
            return;
        } else {
            System.out.println("The program is portable");
            // System.out.println("       1");
            return;
        }
    }
    int iterations = 0;
    Status lastCheck = Status.SATISFIABLE;
    Set<Expr> visited = new HashSet<Expr>();
    while (lastCheck == Status.SATISFIABLE) {
        lastCheck = s.check();
        if (lastCheck == Status.SATISFIABLE) {
            iterations = iterations + 1;
            Model model = s.getModel();
            s2.push();
            BoolExpr reachedState = encodeReachedState(pTarget, model, ctx);
            visited.add(reachedState);
            assert (iterations == visited.size());
            s2.add(reachedState);
            if (s2.check() == Status.UNSATISFIABLE) {
                System.out.println("The program is not state-portable");
                System.out.println("Iterations: " + iterations);
                // System.out.println("       0");
                return;
            } else {
                s2.pop();
                s.add(ctx.mkNot(reachedState));
            }
        } else {
            System.out.println("The program is state-portable");
            System.out.println("Iterations: " + iterations);
            // System.out.println("       1");
            return;
        }
    }
}

Example 2 with Status

use of su.litvak.chromecast.api.v2.Status in project batfish by batfish.

the class Encoder method verify.

/**
 * Checks that a property is always true by seeing if the encoding is unsatisfiable. mkIf the
 * model is satisfiable, then there is a counter example to the property.
 *
 * @return A VerificationResult indicating the status of the check.
 */
public Tuple<VerificationResult, Model> verify() {
    EncoderSlice mainSlice = _slices.get(MAIN_SLICE_NAME);
    int numVariables = _allVariables.size();
    int numConstraints = _solver.getAssertions().length;
    int numNodes = mainSlice.getGraph().getConfigurations().size();
    int numEdges = 0;
    for (Map.Entry<String, Set<String>> e : mainSlice.getGraph().getNeighbors().entrySet()) {
        numEdges += e.getValue().size();
    }
    long start = System.currentTimeMillis();
    Status status = _solver.check();
    long time = System.currentTimeMillis() - start;
    VerificationStats stats = null;
    if (_question.getBenchmark()) {
        stats = new VerificationStats();
        stats.setAvgNumNodes(numNodes);
        stats.setMaxNumNodes(numNodes);
        stats.setMinNumNodes(numNodes);
        stats.setAvgNumEdges(numEdges);
        stats.setMaxNumEdges(numEdges);
        stats.setMinNumEdges(numEdges);
        stats.setAvgNumVariables(numVariables);
        stats.setMaxNumVariables(numVariables);
        stats.setMinNumVariables(numVariables);
        stats.setAvgNumConstraints(numConstraints);
        stats.setMaxNumConstraints(numConstraints);
        stats.setMinNumConstraints(numConstraints);
        stats.setAvgSolverTime(time);
        stats.setMaxSolverTime(time);
        stats.setMinSolverTime(time);
    }
    if (status == Status.UNSATISFIABLE) {
        VerificationResult res = new VerificationResult(true, null, null, null, null, null, stats);
        return new Tuple<>(res, null);
    } else if (status == Status.UNKNOWN) {
        throw new BatfishException("ERROR: satisfiability unknown");
    } else {
        VerificationResult result;
        Model m;
        while (true) {
            m = _solver.getModel();
            SortedMap<String, String> model = new TreeMap<>();
            SortedMap<String, String> packetModel = new TreeMap<>();
            SortedSet<String> fwdModel = new TreeSet<>();
            SortedMap<String, SortedMap<String, String>> envModel = new TreeMap<>();
            SortedSet<String> failures = new TreeSet<>();
            buildCounterExample(this, m, model, packetModel, fwdModel, envModel, failures);
            if (_previousEncoder != null) {
                buildCounterExample(_previousEncoder, m, model, packetModel, fwdModel, envModel, failures);
            }
            result = new VerificationResult(false, model, packetModel, envModel, fwdModel, failures, stats);
            if (!_question.getMinimize()) {
                break;
            }
            BoolExpr blocking = environmentBlockingClause(m);
            add(blocking);
            Status s = _solver.check();
            if (s == Status.UNSATISFIABLE) {
                break;
            }
            if (s == Status.UNKNOWN) {
                throw new BatfishException("ERROR: satisfiability unknown");
            }
        }
        return new Tuple<>(result, m);
    }
}

Example 3 with Status

use of su.litvak.chromecast.api.v2.Status in project batfish by batfish.

the class NodFirstUnsatJob method call.

@Override
public NodFirstUnsatResult<KeyT, ResultT> call() {
    long startTime = System.currentTimeMillis();
    try (Context ctx = new Context()) {
        ReachabilityProgram baseProgram = _query.synthesizeBaseProgram(_synthesizer);
        ReachabilityProgram queryProgram = _query.getReachabilityProgram(_synthesizer.getInput());
        NodProgram program = new NodProgram(ctx, baseProgram, queryProgram);
        Fixedpoint fix = mkFixedpoint(program, false);
        KeyT key = _query.getKey();
        for (int queryNum = 0; queryNum < program.getQueries().size(); queryNum++) {
            BoolExpr query = program.getQueries().get(queryNum);
            Status status = fix.query(query);
            switch(status) {
                case SATISFIABLE:
                    break;
                case UNKNOWN:
                    return new NodFirstUnsatResult<>(startTime, _logger.getHistory(), new BatfishException("Query satisfiability unknown"));
                case UNSATISFIABLE:
                    return new NodFirstUnsatResult<>(key, queryNum, _query.getResultsByQueryIndex().get(queryNum), _logger.getHistory(), startTime);
                default:
                    return new NodFirstUnsatResult<>(startTime, _logger.getHistory(), new BatfishException("invalid status"));
            }
        }
        return new NodFirstUnsatResult<>(key, null, null, _logger.getHistory(), startTime);
    } catch (Z3Exception e) {
        return new NodFirstUnsatResult<>(startTime, _logger.getHistory(), new BatfishException("Error running NoD on concatenated data plane", e));
    }
}

Example 4 with Status

use of su.litvak.chromecast.api.v2.Status in project batfish by batfish.

the class NodSatJob method call.

@Override
public NodSatResult<KeyT> call() {
    Map<KeyT, Boolean> results = new LinkedHashMap<>();
    long startTime = System.currentTimeMillis();
    try (Context ctx = new Context()) {
        ReachabilityProgram baseProgram = _query.synthesizeBaseProgram(_synthesizer);
        ReachabilityProgram queryProgram = _query.getReachabilityProgram(_synthesizer.getInput());
        NodProgram program = new NodProgram(ctx, baseProgram, queryProgram);
        Fixedpoint fix = mkFixedpoint(program, false);
        for (int queryNum = 0; queryNum < program.getQueries().size(); queryNum++) {
            BoolExpr query = program.getQueries().get(queryNum);
            KeyT key = _query.getKeys().get(queryNum);
            Status status = fix.query(query);
            switch(status) {
                case SATISFIABLE:
                    results.put(key, true);
                    break;
                case UNKNOWN:
                    return new NodSatResult<>(startTime, _logger.getHistory(), new BatfishException("Query satisfiability unknown"));
                case UNSATISFIABLE:
                    results.put(key, false);
                    break;
                default:
                    return new NodSatResult<>(startTime, _logger.getHistory(), new BatfishException("invalid status"));
            }
        }
        return new NodSatResult<>(results, _logger.getHistory(), startTime);
    } catch (Z3Exception e) {
        return new NodSatResult<>(startTime, _logger.getHistory(), new BatfishException("Error running NoD on concatenated data plane", e));
    }
}

Example 5 with Status

use of su.litvak.chromecast.api.v2.Status in project batfish by batfish.

the class NodJobTest method testNotNattedSat.

/**
 * Test that traffic originating from 3.0.0.1 that is expected NOT to be NATed returns SAT when we
 * constrain to only allow NOT-NATed results.
 */
@Test
public void testNotNattedSat() {
    HeaderSpace headerSpace = new HeaderSpace();
    headerSpace.setSrcIps(ImmutableList.of(new IpWildcard("3.0.0.1")));
    NodJob nodJob = getNodJob(headerSpace, false);
    Context z3Context = new Context();
    Status status = nodJob.computeNodSat(System.currentTimeMillis(), z3Context);
    assertThat(status, equalTo(Status.SATISFIABLE));
}