Examples with Universe kodkod.instance.Universe used on opensource projects

Example 81 with Universe

use of kodkod.instance.Universe in project org.alloytools.alloy by AlloyTools.

the class BugTests method testBGP_03172011.

public final void testBGP_03172011() {
    Relation x5 = Relation.unary("s012");
    Relation x8 = Relation.unary("zero");
    Relation x9 = Relation.unary("one");
    Relation x12 = Relation.nary("next", 2);
    Universe universe = new Universe(Arrays.asList("0", "1", "2", "3"));
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    bounds.boundExactly(x5, factory.setOf("0", "1", "2"));
    bounds.boundExactly(x8, factory.setOf("0"));
    bounds.bound(x9, factory.setOf("1"), factory.setOf("1", "2"));
    TupleSet x12_upper = factory.noneOf(2);
    x12_upper.add(factory.tuple("1", "2"));
    x12_upper.add(factory.tuple("2", "3"));
    bounds.boundExactly(x12, x12_upper);
    Variable x714 = Variable.unary("x714");
    Decls x713 = x714.oneOf(x8.union(x9));
    Variable x720 = Variable.unary("x720");
    Expression x723 = x8.union(x9);
    Expression x724 = x9.join(x12);
    Expression x722 = x723.union(x724);
    Expression x721 = x722.difference(x714);
    Decls x719 = x720.oneOf(x721);
    Variable x727 = Variable.unary("x727");
    Expression x732 = x714.union(x720);
    Expression x728 = x5.difference(x732);
    Decls x726 = x727.oneOf(x728);
    Variable x735 = Variable.unary("x735");
    Decls x734 = x735.oneOf(x8);
    Variable x893 = Variable.unary("x893");
    Decls x892 = x893.oneOf(x727);
    Formula x894 = x720.no();
    Formula x891 = x894.forAll(x892);
    Formula x712 = x891.forSome(x713.and(x719).and(x726).and(x734));
    Formula x267 = Formula.FALSE.or(x712);
    Solver solver = new Solver();
    solver.options().setSolver(SATFactory.MiniSat);
    solver.options().setBitwidth(4);
    // solver.options().setFlatten(false);
    solver.options().setIntEncoding(Options.IntEncoding.TWOSCOMPLEMENT);
    solver.options().setSymmetryBreaking(20);
    solver.options().setSkolemDepth(0);
    final Solution sol = solver.solve(x267, bounds);
    assertEquals(sol.outcome(), Solution.Outcome.TRIVIALLY_UNSATISFIABLE);
}

Example 82 with Universe

use of kodkod.instance.Universe in project org.alloytools.alloy by AlloyTools.

the class BugTests method testFelix_06192008.

public final void testFelix_06192008() {
    Relation x5 = Relation.unary("R");
    List<String> atomlist = Arrays.asList("X");
    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    TupleSet x5_upper = factory.noneOf(1);
    x5_upper.add(factory.tuple("X"));
    bounds.bound(x5, x5_upper);
    Variable x10 = Variable.unary("a");
    Expression x11 = x5.difference(x5);
    Decls x9 = x10.oneOf(x11);
    Variable x14 = Variable.nary("b", 2);
    Expression x15 = x5.product(x5);
    Decls x13 = x14.setOf(x15);
    Expression x19 = x5.product(x5);
    Formula x17 = x14.in(x19);
    Expression x22 = x10.product(x10);
    Formula x21 = x22.eq(x14);
    Formula x16 = x17.and(x21);
    Formula x12 = x16.forSome(x13);
    Formula x7 = x12.forAll(x9);
    // System.out.println(x7);
    Solver solver = new Solver();
    solver.options().setSolver(SATFactory.DefaultSAT4J);
    solver.options().setBitwidth(4);
    // solver.options().setFlatten(false);
    solver.options().setIntEncoding(Options.IntEncoding.TWOSCOMPLEMENT);
    solver.options().setSymmetryBreaking(20);
    // System.out.println("Depth=0..."); System.out.flush();
    solver.options().setSkolemDepth(0);
    assertEquals(Solution.Outcome.TRIVIALLY_SATISFIABLE, solver.solve(x7, bounds).outcome());
    // System.out.println("Depth=1..."); System.out.flush();
    solver.options().setSkolemDepth(1);
    final Solution sol = solver.solve(x7, bounds);
    assertEquals(Solution.Outcome.SATISFIABLE, sol.outcome());
    assertEquals(2, sol.instance().relations().size());
    for (Relation r : sol.instance().relations()) {
        assertTrue(sol.instance().tuples(r).isEmpty());
    }
}

Example 83 with Universe

use of kodkod.instance.Universe in project org.alloytools.alloy by AlloyTools.

the class NUM378 method bounds.

/**
 * Returns bounds for the problem.
 *
 * @return bounds for the problem.
 */
public final Bounds bounds() {
    final int n = 21;
    final List<String> atoms = new ArrayList<String>(n);
    atoms.add("goal");
    for (int i = 0; i < n; i++) atoms.add("n" + i);
    final Universe u = new Universe(atoms);
    final Bounds bound = new Bounds(u);
    final TupleFactory f = u.factory();
    final TupleSet succBound = f.noneOf(2);
    for (int i = 0; i < n; i++) {
        succBound.add(f.tuple("n" + i, "n" + ((i + 1) % n)));
    }
    bound.boundExactly(succ, succBound);
    final TupleSet sumBound = f.noneOf(3);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            sumBound.add(f.tuple("n" + i, "n" + j, "n" + ((i + j) % n)));
        }
    }
    bound.boundExactly(sum, sumBound);
    return bound;
}