Examples with Decl kodkod.ast.Decl used on opensource projects

Example 31 with Decl

use of kodkod.ast.Decl in project org.alloytools.alloy by AlloyTools.

the class BugTests method testFelix_11262007.

public final void testFelix_11262007() {
    Relation x6 = Relation.unary("R2");
    List<String> atomlist = Arrays.asList("X", "Y", "Z");
    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    bounds.bound(x6, factory.allOf(1));
    final Variable x32 = Variable.unary("a");
    final Decls x31 = x32.oneOf(x6);
    final Variable x36 = Variable.unary("b");
    final Decls x35 = x36.oneOf(x32.join(x6.product(x6)));
    final Formula x29 = x36.some().forSome(x35).forSome(x31);
    Solver solver = new Solver();
    solver.options().setSolver(SATFactory.DefaultSAT4J);
    solver.options().setBitwidth(4);
    solver.options().setIntEncoding(Options.IntEncoding.TWOSCOMPLEMENT);
    solver.options().setSymmetryBreaking(20);
    solver.options().setSkolemDepth(0);
    final Set<Decl> decls = new LinkedHashSet<Decl>();
    solver.options().setReporter(new AbstractReporter() {

        @Override
        public void skolemizing(Decl decl, Relation skolem, List<Decl> predecl) {
            decls.add(decl);
        }
    });
    Solution sol = solver.solve(x29, bounds);
    assertEquals(2, decls.size());
    assertTrue(decls.contains(x31));
    assertTrue(decls.contains(x35));
    assertNotNull(sol.instance());
}

Example 32 with Decl

use of kodkod.ast.Decl in project org.alloytools.alloy by AlloyTools.

the class BugTests method doTestAleks_03102013.

private final void doTestAleks_03102013() {
    Relation r = Relation.unary("R");
    Relation s = Relation.binary("f");
    Variable v = Variable.unary("e");
    Decl decl = v.oneOf(r);
    Expression shared = v.join(s);
    Formula expr = (shared.difference(shared)).one().forAll(decl);
    Formula fin = expr.and(expr.not());
    List<Object> atomlist = new LinkedList<Object>();
    atomlist.add("R$0");
    atomlist.add("R$1");
    atomlist.add("R$2");
    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    bounds.bound(r, factory.allOf(1));
    bounds.bound(s, factory.allOf(2));
    Solver solver = new Solver();
    solver.options().setSolver(SATFactory.DefaultSAT4J);
    solver.options().setBitwidth(4);
    solver.options().setSkolemDepth(0);
    solver.options().setLogTranslation(0);
    Solution sol = solver.solve(fin, bounds);
    assertNull(sol.instance());
}