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

Example 66 with Universe

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

the class BugTests method testFelix_11122006.

public final void testFelix_11122006() {
    Relation x0 = Relation.nary("Q", 1);
    Relation x1 = Relation.nary("B", 1);
    Relation x2 = Relation.nary("A", 1);
    Relation x3 = Relation.nary("QQ", 3);
    List<String> atomlist = Arrays.asList("A", "B", "Q");
    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    TupleSet x0_upper = factory.noneOf(1);
    x0_upper.add(factory.tuple("Q"));
    bounds.boundExactly(x0, x0_upper);
    TupleSet x1_upper = factory.noneOf(1);
    x1_upper.add(factory.tuple("B"));
    bounds.boundExactly(x1, x1_upper);
    TupleSet x2_upper = factory.noneOf(1);
    x2_upper.add(factory.tuple("A"));
    bounds.boundExactly(x2, x2_upper);
    TupleSet x3_upper = factory.noneOf(3);
    x3_upper.add(factory.tuple("Q").product(factory.tuple("A")).product(factory.tuple("A")));
    x3_upper.add(factory.tuple("Q").product(factory.tuple("B")).product(factory.tuple("B")));
    bounds.bound(x3, x3_upper);
    Expression x7 = x2.product(x2);
    Expression x8 = x0.join(x3);
    Formula x6 = x7.in(x8);
    Formula x5 = x6.not();
    Expression x18 = x1.product(x1);
    Expression x17 = x7.union(x18);
    Expression x16 = x0.product(x17);
    Formula x15 = x3.in(x16);
    Formula x4 = x5.and(x15);
    Solver solver = new Solver();
    solver.options().setSolver(SATFactory.DefaultSAT4J);
    solver.options().setBitwidth(4);
    solver.options().setIntEncoding(Options.IntEncoding.TWOSCOMPLEMENT);
    // System.out.println(bounds);
    // System.out.println(x4);
    Solution sol = solver.solve(x4, bounds);
    assertEquals(sol.outcome(), Solution.Outcome.SATISFIABLE);
// System.out.println(sol.toString());
}

Example 67 with Universe

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

the class BugTests method testVincent_02172006.

public final void testVincent_02172006() {
    // set ups universe of atoms [1..257]
    final List<Integer> atoms = new ArrayList<Integer>();
    // change this to 256, and the program works
    for (int i = 0; i < 257; i++) {
        atoms.add(i + 1);
    }
    final Universe universe = new Universe(atoms);
    final Bounds bounds = new Bounds(universe);
    final TupleFactory factory = universe.factory();
    final Relation oneRel = Relation.unary("oneRel");
    final Relation pCourses = Relation.binary("pCourses");
    final Relation prev = Relation.binary("prev");
    final Relation sCourses = Relation.binary("sCourses");
    final Relation prereqs = Relation.binary("prereqs");
    final Relation rel = Relation.unary("rel");
    bounds.bound(oneRel, factory.setOf(factory.tuple(atoms.get(0))), factory.setOf(factory.tuple(atoms.get(0))));
    bounds.bound(rel, factory.allOf(1));
    // list1 and list2 are temp lists for creating bounds for binary
    // relations below
    // list1 = [1, 2]
    // list2 = [3, 2]
    // ts = [ [1, 2], [2, 2], [3, 2] ]
    List<Integer> list1 = new ArrayList<Integer>();
    list1.add(atoms.get(0));
    list1.add(atoms.get(1));
    List<Integer> list2 = new ArrayList<Integer>();
    list2.add(atoms.get(2));
    list2.add(atoms.get(1));
    TupleSet ts = factory.area(factory.tuple(list1), factory.tuple(list2));
    bounds.bound(pCourses, ts);
    bounds.bound(prev, ts);
    bounds.bound(sCourses, ts);
    bounds.bound(prereqs, ts);
    // all s: futureSemesters | all c: s.courses | no c.prereqs or some p:
    // c.prereqs | p.courses in s.prev^.courses
    final Variable s = Variable.unary("s"), c = Variable.unary("c"), p = Variable.unary("p");
    Formula formula = (p.join(pCourses).in(s.join(prev.closure()).join(sCourses)).forAll(p.oneOf(c.join(prereqs)))).forAll(c.oneOf(s.join(sCourses))).forAll(s.oneOf(rel));
    // System.out.println(formula);
    // solve
    final Instance instance = solver.solve(formula, bounds).instance();
    assertNotNull(instance);
}

Example 68 with Universe

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

the class BugTests method testFelix_03062008.

public final void testFelix_03062008() {
    Relation x0 = Relation.unary("Int/min");
    Relation x1 = Relation.unary("Int/zero");
    Relation x2 = Relation.unary("Int/max");
    Relation x3 = Relation.nary("Int/next", 2);
    Relation x4 = Relation.unary("seq/Int");
    List<String> atomlist = Arrays.asList("-1", "-2", "-3", "-4", "-5", "-6", "-7", "-8", "0", "1", "2", "3", "4", "5", "6", "7");
    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    TupleSet x0_upper = factory.noneOf(1);
    x0_upper.add(factory.tuple("-8"));
    bounds.boundExactly(x0, x0_upper);
    TupleSet x1_upper = factory.noneOf(1);
    x1_upper.add(factory.tuple("0"));
    bounds.boundExactly(x1, x1_upper);
    TupleSet x2_upper = factory.noneOf(1);
    x2_upper.add(factory.tuple("7"));
    bounds.boundExactly(x2, x2_upper);
    TupleSet x3_upper = factory.noneOf(2);
    x3_upper.add(factory.tuple("-8").product(factory.tuple("-7")));
    x3_upper.add(factory.tuple("-7").product(factory.tuple("-6")));
    x3_upper.add(factory.tuple("-6").product(factory.tuple("-5")));
    x3_upper.add(factory.tuple("-5").product(factory.tuple("-4")));
    x3_upper.add(factory.tuple("-4").product(factory.tuple("-3")));
    x3_upper.add(factory.tuple("-3").product(factory.tuple("-2")));
    x3_upper.add(factory.tuple("-2").product(factory.tuple("-1")));
    x3_upper.add(factory.tuple("-1").product(factory.tuple("0")));
    x3_upper.add(factory.tuple("0").product(factory.tuple("1")));
    x3_upper.add(factory.tuple("1").product(factory.tuple("2")));
    x3_upper.add(factory.tuple("2").product(factory.tuple("3")));
    x3_upper.add(factory.tuple("3").product(factory.tuple("4")));
    x3_upper.add(factory.tuple("4").product(factory.tuple("5")));
    x3_upper.add(factory.tuple("5").product(factory.tuple("6")));
    x3_upper.add(factory.tuple("6").product(factory.tuple("7")));
    bounds.boundExactly(x3, x3_upper);
    TupleSet x4_upper = factory.noneOf(1);
    x4_upper.add(factory.tuple("0"));
    bounds.boundExactly(x4, x4_upper);
    bounds.boundExactly(-8, factory.range(factory.tuple("-8"), factory.tuple("-8")));
    bounds.boundExactly(-7, factory.range(factory.tuple("-7"), factory.tuple("-7")));
    bounds.boundExactly(-6, factory.range(factory.tuple("-6"), factory.tuple("-6")));
    bounds.boundExactly(-5, factory.range(factory.tuple("-5"), factory.tuple("-5")));
    bounds.boundExactly(-4, factory.range(factory.tuple("-4"), factory.tuple("-4")));
    bounds.boundExactly(-3, factory.range(factory.tuple("-3"), factory.tuple("-3")));
    bounds.boundExactly(-2, factory.range(factory.tuple("-2"), factory.tuple("-2")));
    bounds.boundExactly(-1, factory.range(factory.tuple("-1"), factory.tuple("-1")));
    bounds.boundExactly(0, factory.range(factory.tuple("0"), factory.tuple("0")));
    bounds.boundExactly(1, factory.range(factory.tuple("1"), factory.tuple("1")));
    bounds.boundExactly(2, factory.range(factory.tuple("2"), factory.tuple("2")));
    bounds.boundExactly(3, factory.range(factory.tuple("3"), factory.tuple("3")));
    bounds.boundExactly(4, factory.range(factory.tuple("4"), factory.tuple("4")));
    bounds.boundExactly(5, factory.range(factory.tuple("5"), factory.tuple("5")));
    bounds.boundExactly(6, factory.range(factory.tuple("6"), factory.tuple("6")));
    bounds.boundExactly(7, factory.range(factory.tuple("7"), factory.tuple("7")));
    Variable x9 = Variable.unary("x");
    Decls x8 = x9.oneOf(Expression.INTS);
    Variable x14 = Variable.unary("p_t'");
    Expression x15 = Expression.INTS.difference(x9);
    Decls x13 = x14.oneOf(x15);
    Variable x20 = Variable.unary("p_v");
    Decls x19 = x20.oneOf(Expression.INTS);
    Formula x21 = x14.in(x9);
    Expression x18 = x21.comprehension(x19);
    IntExpression x17 = x18.count();
    IntExpression x22 = IntConstant.constant(0);
    Formula x16 = x17.gt(x22);
    Formula x12 = x16.forAll(x13);
    Formula x11 = x12.not();
    Formula x7 = x11.forAll(x8);
    Formula x25 = x0.eq(x0);
    Formula x26 = x2.eq(x2);
    Formula x24 = x25.and(x26);
    Formula x27 = x3.eq(x3);
    Formula x23 = x24.and(x27);
    Formula x6 = x7.and(x23);
    Formula x29 = x1.eq(x1);
    Formula x30 = x4.eq(x4);
    Formula x28 = x29.and(x30);
    Formula x5 = x6.and(x28);
    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(PrettyPrinter.print(x5, 2));
    solver.options().setSkolemDepth(0);
    Solution sol1 = solver.solve(x5, bounds);
    assertNotNull(sol1.instance());
    solver.options().setSkolemDepth(1);
    Solution sol2 = solver.solve(x5, bounds);
    assertNotNull(sol2.instance());
}

Example 69 with Universe

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

the class IncrementalOverflowNumTest method testBasic.

@Test
public void testBasic() {
    Options opt = new Options();
    opt.setNoOverflow(true);
    opt.setBitwidth(2);
    IncrementalSolver solver = IncrementalSolver.solver(opt);
    Universe univ = new Universe("-2", "-1", "0", "1");
    Bounds b = new Bounds(univ);
    TupleFactory factory = univ.factory();
    b.boundExactly(-2, factory.range(factory.tuple("-2"), factory.tuple("-2")));
    b.boundExactly(-1, factory.range(factory.tuple("-1"), factory.tuple("-1")));
    b.boundExactly(0, factory.range(factory.tuple("0"), factory.tuple("0")));
    b.boundExactly(1, factory.range(factory.tuple("1"), factory.tuple("1")));
    Variable n = Variable.unary("n");
    Formula f = n.sum().plus(IntConstant.constant(1)).lte(n.sum()).forSome(n.oneOf(Expression.INTS));
    Solution sol = solver.solve(f, b);
    assertNoInstance(sol);
}

Example 70 with Universe

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

the class InstanceCreator method getInstance.

/**
 * Fills the instance with the relations specified in this.document; if an error
 * occurs during processing, the instance remains null
 */
private Instance getInstance() {
    initAtomsAndRelations();
    final Universe u = new Universe(atoms);
    final TupleFactory f = u.factory();
    final Instance instance = new Instance(u);
    for (Map.Entry<Relation, Set<List<String>>> entry : relations.entrySet()) {
        Relation r = entry.getKey();
        TupleSet s = f.noneOf(r.arity());
        for (List<?> atoms : entry.getValue()) {
            s.add(f.tuple(atoms));
        }
        instance.add(r, s);
    }
    return instance;
}