Examples with Solution kodkod.engine.Solution used on opensource projects

Example 1 with Solution

use of kodkod.engine.Solution in project org.alloytools.alloy by AlloyTools.

the class OverflowSigTest method testOverBw.

@Test
public void testOverBw() {
    IntOperator[] ops = new IntOperator[] { IntOperator.PLUS, IntOperator.MULTIPLY };
    for (IntOperator op : ops) {
        for (int i = 1; i < 6; i++) {
            Solution solution = checkForBw(op, i);
            assertNoInstance(solution);
        }
    }
}

Example 2 with Solution

use of kodkod.engine.Solution in project org.alloytools.alloy by AlloyTools.

the class OverflowTheoremTest method solve.

protected Solution[] solve(Formula formula) {
    Solution s1 = new Solver(options).solve(formula, bounds);
    Options opt2 = options.clone();
    opt2.setSkolemDepth(2);
    // Solution s2 = new Solver(opt2).solve(formula, bounds);
    return new Solution[] { s1 };
}

Example 3 with Solution

use of kodkod.engine.Solution in project org.alloytools.alloy by AlloyTools.

the class SymmetryBreakingTest method solve.

private Instance solve(Formula f, Bounds b) {
    final Solution sol = solver.solve(f, b);
    final Statistics stats = sol.stats();
    pVars = stats.primaryVariables();
    iVars = stats.variables() - pVars;
    clauses = stats.clauses();
    return sol.instance();
}

Example 4 with Solution

use of kodkod.engine.Solution in project org.alloytools.alloy by AlloyTools.

the class BenchmarkSymmStats2 method printGBP.

// <symm time (ms)> <# of symms> <state bits> <SAT|UNSAT> <SAT time (ms)>
private static void printGBP(Formula formula, Bounds bounds) {
    final class SymmReporter extends AbstractReporter {

        long gbpTime;

        BigInteger symms;

        @Override
        public void detectingSymmetries(Bounds bounds) {
            gbpTime = bean.getCurrentThreadUserTime();
        }

        @Override
        public void detectedSymmetries(Set<IntSet> parts) {
            final long end = bean.getCurrentThreadUserTime();
            gbpTime = (end - gbpTime) / 1000000;
            symms = new BigInteger("1");
            for (IntSet s : parts) {
                symms = symms.multiply(fact(s.size()));
            }
        // System.out.println(parts);
        }
    }
    ;
    final SymmReporter reporter = new SymmReporter();
    final Solver solver = new Solver();
    solver.options().setBitwidth(8);
    solver.options().setSolver(SATFactory.MiniSat);
    solver.options().setReporter(reporter);
    final Solution sol = solver.solve(formula, bounds);
    // <gbp (ms)> <gbp (symms)>
    System.out.print(reporter.gbpTime + "\t");
    System.out.print(reporter.symms + "\t");
    // <state bits> <SAT|UNSAT> <SAT time (ms)>
    System.out.print(sol.stats().primaryVariables() + "\t");
    System.out.print(sol.instance() == null ? "UNSAT\t" : "SAT\t");
    System.out.print(sol.stats().solvingTime() + "\t");
}

Example 5 with Solution

use of kodkod.engine.Solution in project org.alloytools.alloy by AlloyTools.

the class BenchmarkSymmStats2 method printGAD.

// <symm time (ms)> <# of symms> <state bits> <SAT|UNSAT> <SAT time (ms)>
private static void printGAD(Formula formula, Bounds bounds) {
    final class SymmReporter extends AbstractReporter {

        String symms, time;

        Bounds bounds;

        @Override
        public void detectingSymmetries(Bounds bounds) {
            this.bounds = bounds.clone();
        }

        @Override
        public void detectedSymmetries(Set<IntSet> parts) {
            parts.clear();
            final SymmInfo allSymms = allSymms(bounds);
            parts.addAll(allSymms.parts);
            symms = allSymms.symms;
            time = allSymms.time;
        // System.out.println(parts);
        }
    }
    ;
    final SymmReporter reporter = new SymmReporter();
    final Solver solver = new Solver();
    solver.options().setBitwidth(8);
    solver.options().setSolver(SATFactory.MiniSat);
    solver.options().setReporter(reporter);
    final Solution sol = solver.solve(formula, bounds);
    // <gbp (ms)> <gbp (symms)>
    System.out.print(reporter.time + "\t");
    System.out.print(reporter.symms + "\t");
    // <state bits> <SAT|UNSAT> <SAT time (ms)>
    System.out.print(sol.stats().primaryVariables() + "\t");
    System.out.print(sol.instance() == null ? "UNSAT\t" : "SAT\t");
    System.out.print(sol.stats().solvingTime() + "\t");
}