Examples with StatisticsReportingSolver at.ac.tuwien.kr.alpha.api.StatisticsReportingSolver used on opensource projects

Example 1 with StatisticsReportingSolver

use of at.ac.tuwien.kr.alpha.api.StatisticsReportingSolver in project Alpha by alpha-asp.

the class SolverStatisticsTests method checkNoGoodCounterStatsByCardinalityUsingDummyGrounder.

@RegressionTest
public void checkNoGoodCounterStatsByCardinalityUsingDummyGrounder(RegressionTestConfig cfg) {
    Solver solver = buildSolverForRegressionTest(atomStore, new DummyGrounder(atomStore), cfg);
    assumeTrue(solver instanceof StatisticsReportingSolver);
    collectAnswerSetsAndCheckNoGoodCounterStatsByCardinality(solver, 2, 1, 1);
}

Example 2 with StatisticsReportingSolver

use of at.ac.tuwien.kr.alpha.api.StatisticsReportingSolver in project Alpha by alpha-asp.

the class Main method computeAndConsumeAnswerSets.

private static void computeAndConsumeAnswerSets(Solver solver, AlphaConfig alphaCfg) {
    SystemConfig sysCfg = alphaCfg.getSystemConfig();
    InputConfig inputCfg = alphaCfg.getInputConfig();
    Stream<AnswerSet> stream = solver.stream();
    if (sysCfg.isSortAnswerSets()) {
        stream = stream.sorted();
    }
    int limit = inputCfg.getNumAnswerSets();
    if (limit > 0) {
        stream = stream.limit(limit);
    }
    if (!sysCfg.isQuiet()) {
        AtomicInteger counter = new AtomicInteger(0);
        final BiConsumer<Integer, AnswerSet> answerSetHandler;
        final AnswerSetFormatter<String> fmt = new SimpleAnswerSetFormatter(sysCfg.getAtomSeparator());
        BiConsumer<Integer, AnswerSet> stdoutPrinter = (n, as) -> {
            System.out.println("Answer set " + Integer.toString(n) + ":" + System.lineSeparator() + fmt.format(as));
        };
        if (inputCfg.isWriteAnswerSetsAsXlsx()) {
            BiConsumer<Integer, AnswerSet> xlsxWriter = new AnswerSetToXlsxWriter(inputCfg.getAnswerSetFileOutputPath());
            answerSetHandler = stdoutPrinter.andThen(xlsxWriter);
        } else {
            answerSetHandler = stdoutPrinter;
        }
        stream.forEach(as -> {
            int cnt = counter.incrementAndGet();
            answerSetHandler.accept(cnt, as);
        });
        if (counter.get() == 0) {
            System.out.println("UNSATISFIABLE");
            if (inputCfg.isWriteAnswerSetsAsXlsx()) {
                try {
                    AnswerSetToXlsxWriter.writeUnsatInfo(Paths.get(inputCfg.getAnswerSetFileOutputPath() + ".UNSAT.xlsx"));
                } catch (IOException ex) {
                    System.err.println("Failed writing unsat file!");
                }
            }
        } else {
            System.out.println("SATISFIABLE");
        }
    } else {
        // Note: Even though we are not consuming the result, we will still compute
        // answer sets.
        stream.collect(Collectors.toList());
    }
    if (sysCfg.isPrintStats()) {
        if (solver instanceof StatisticsReportingSolver) {
            ((StatisticsReportingSolver) solver).printStatistics();
        } else {
            // Note: Should not happen with proper validation of commandline args
            System.err.println("Solver of type " + solver.getClass().getSimpleName() + " does not support solving statistics!");
        }
    }
}

Example 3 with StatisticsReportingSolver

use of at.ac.tuwien.kr.alpha.api.StatisticsReportingSolver in project Alpha by alpha-asp.

the class SolverStatisticsTests method checkNoGoodCounterStatsByTypeUsingDummyGrounder.

@RegressionTest
public void checkNoGoodCounterStatsByTypeUsingDummyGrounder(RegressionTestConfig cfg) {
    Solver solver = buildSolverForRegressionTest(atomStore, new DummyGrounder(atomStore), cfg);
    assumeTrue(solver instanceof StatisticsReportingSolver);
    collectAnswerSetsAndCheckNoGoodCounterStatsByType(solver, 4, 0, 0, 0);
}

Example 4 with StatisticsReportingSolver

use of at.ac.tuwien.kr.alpha.api.StatisticsReportingSolver in project Alpha by alpha-asp.

the class SolverStatisticsTests method collectAnswerSetsAndCheckStats.

private void collectAnswerSetsAndCheckStats(Solver solver, int expectedNumberOfAnswerSets, int expectedNumberOfGuesses, int expectedTotalNumberOfBacktracks, int expectedNumberOfBacktracksWithinBackjumps, int expectedNumberOfBackjumps, int expectedNumberOfMBTs, int expectedNumberOfConflictsAfterClosing, int expectedNumberOfDeletedNoGoods) {
    Set<AnswerSet> answerSets = solver.collectSet();
    assertEquals(expectedNumberOfAnswerSets, answerSets.size());
    StatisticsReportingSolver solverMaintainingStatistics = (StatisticsReportingSolver) solver;
    assertEquals(String.format("g=%d, bt=%d, bj=%d, bt_within_bj=%d, mbt=%d, cac=%d, del_ng=%d", expectedNumberOfGuesses, expectedTotalNumberOfBacktracks, expectedNumberOfBackjumps, expectedNumberOfBacktracksWithinBackjumps, expectedNumberOfMBTs, expectedNumberOfConflictsAfterClosing, expectedNumberOfDeletedNoGoods), solverMaintainingStatistics.getStatisticsString());
}

Example 5 with StatisticsReportingSolver

use of at.ac.tuwien.kr.alpha.api.StatisticsReportingSolver in project Alpha by alpha-asp.

the class SolverStatisticsTests method checkStatsStringZeroChoices.

@RegressionTest
public void checkStatsStringZeroChoices(RegressionTestConfig cfg) {
    Solver solver = buildSolverForRegressionTest("a.", cfg);
    assumeTrue(solver instanceof StatisticsReportingSolver);
    collectAnswerSetsAndCheckStats(solver, 1, 0, 0, 0, 0, 0, 0, 0);
}