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

Example 51 with Variable

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

the class BugTests method testVincent_02182006.

public final void testVincent_02182006() {
    // 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 semester = Relation.unary("Semester");
    final Relation course = Relation.unary("Course");
    final Relation prereqset = Relation.unary("PrereqSet");
    final int courseIndex = 0;
    final int courseScope = 254;
    final int semesterIndex = 254;
    final int semesterScope = 2;
    final int prereqsetIndex = 256;
    final int prereqsetScope = 1;
    bounds.bound(course, factory.range(factory.tuple(atoms.get(courseIndex)), factory.tuple(atoms.get(courseIndex + courseScope - 1))));
    bounds.bound(semester, factory.range(factory.tuple(atoms.get(semesterIndex)), factory.tuple(atoms.get(semesterIndex + semesterScope - 1))));
    bounds.bound(prereqset, factory.range(factory.tuple(atoms.get(prereqsetIndex)), factory.tuple(atoms.get(prereqsetIndex + prereqsetScope - 1))));
    bounds.bound(oneRel, factory.setOf(factory.tuple(atoms.get(0))), factory.setOf(factory.tuple(atoms.get(0))));
    // list1 = [256, 2]
    // list2 = [256, 3]
    // pCoursesTS = [ [256, 2], [256, 3] ]
    List<Integer> list1 = new ArrayList<Integer>();
    list1.add(atoms.get(256));
    list1.add(atoms.get(1));
    List<Integer> list2 = new ArrayList<Integer>();
    list2.add(atoms.get(256));
    list2.add(atoms.get(2));
    TupleSet pCoursesTS = factory.setOf(factory.tuple(list1), factory.tuple(list2));
    bounds.bound(pCourses, pCoursesTS, pCoursesTS);
    // prevTS = [ [255, 254] ]
    TupleSet prevTS = factory.setOf(factory.tuple((Object) atoms.get(255), (Object) atoms.get(254)));
    bounds.bound(prev, prevTS, prevTS);
    // sCourses can be anything from Semester -> Course
    bounds.bound(sCourses, factory.area(factory.tuple((Object) atoms.get(semesterIndex), (Object) atoms.get(courseIndex)), factory.tuple((Object) atoms.get(semesterIndex + semesterScope - 1), (Object) atoms.get(courseIndex + courseScope - 1))));
    // pCoursesTS = [ [0, 256] ]
    TupleSet prereqsTS = factory.setOf(factory.tuple((Object) atoms.get(0), (Object) atoms.get(256)));
    bounds.bound(prereqs, prereqsTS, prereqsTS);
    // 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(semester));
    // System.out.println(formula);
    final Instance instance = solver.solve(formula, bounds).instance();
    assertNotNull(instance);
}

Example 52 with Variable

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

the class BugTests method testEmina_05072008.

public final void testEmina_05072008() {
    Relation A = Relation.unary("A"), first = Relation.unary("OrdFirst"), last = Relation.unary("OrdLast"), next = Relation.nary("OrdNext", 2);
    Relation B = Relation.unary("B"), acyclic = Relation.binary("acyclic");
    List<String> atomlist = Arrays.asList("A1", "A2", "A3", "B1", "B2", "B3", "C1", "C2");
    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);
    TupleSet allA = factory.setOf("A1", "A2", "A3");
    TupleSet allB = factory.setOf("B1", "B2", "B3");
    TupleSet allC = factory.setOf("C1", "C2");
    bounds.boundExactly(A, allA);
    bounds.bound(first, allA);
    bounds.bound(last, allA);
    bounds.bound(next, allA.product(allA));
    bounds.boundExactly(B, allB);
    bounds.bound(acyclic, allC.product(allC));
    Variable v = Variable.unary("v");
    Formula f0 = Formula.TRUE.forSome(v.setOf(B));
    Formula f1 = next.totalOrder(A, first, last);
    Formula f2 = acyclic.acyclic();
    Formula form = f0.and(f1).and(f2);
    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(0);
    solver.options().setSkolemDepth(0);
    Iterator<Solution> sol = solver.solveAll(form, bounds);
    int i = 1;
    while (sol.hasNext()) {
        assertTrue(i <= 17);
        sol.next();
        i++;
    }
}

Example 53 with Variable

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

the class BugTests method testEmina_10092006.

public final void testEmina_10092006() {
    Relation r = Relation.ternary("r");
    final Variable a = Variable.unary("A");
    final Variable b = Variable.unary("B");
    final Variable c = Variable.unary("C");
    final Variable d = Variable.unary("D");
    final Formula f0 = (b.join(a.join(r))).eq(d.join(c.join(r)));
    final Formula f1 = a.in(c).and(b.in(d));
    final Formula f = f0.implies(f1).forAll(a.oneOf(UNIV).and(b.oneOf(UNIV)).and(c.oneOf(UNIV)).and(d.oneOf(UNIV)));
    final Universe u = new Universe(Arrays.asList("a0", "a1"));
    final Bounds bounds = new Bounds(u);
    bounds.bound(r, u.factory().allOf(3));
    // System.out.println(f); System.out.println(bounds);
    solver.options().setSymmetryBreaking(0);
    // solver.options().setFlatten(false);
    final Solution s = solver.solve(f, bounds);
    // System.out.println(s);
    assertEquals(Solution.Outcome.SATISFIABLE, s.outcome());
}

Example 54 with Variable

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

the class BugTests method testFelix_10272008.

public final void testFelix_10272008() {
    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");
    Relation x5 = Relation.unary("this/X");
    List<String> atomlist = Arrays.asList("-1", "-2", "-3", "-4", "-5", "-6", "-7", "-8", "0", "1", "2", "3", "4", "5", "6", "7", "unused0", "unused1", "unused2");
    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"));
    x4_upper.add(factory.tuple("1"));
    x4_upper.add(factory.tuple("2"));
    x4_upper.add(factory.tuple("3"));
    bounds.boundExactly(x4, x4_upper);
    TupleSet x5_upper = factory.noneOf(1);
    x5_upper.add(factory.tuple("unused0"));
    x5_upper.add(factory.tuple("unused1"));
    x5_upper.add(factory.tuple("unused2"));
    bounds.bound(x5, x5_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 x11 = Variable.unary("c");
    Expression x12 = x5.difference(x5);
    Decls x10 = x11.oneOf(x12);
    IntExpression x13 = IntConstant.constant(0);
    IntExpression x9 = x13.sum(x10);
    IntExpression x14 = IntConstant.constant(0);
    Formula x8 = x9.eq(x14);
    Formula x17 = x0.eq(x0);
    Formula x18 = x2.eq(x2);
    Formula x16 = x17.and(x18);
    Formula x19 = x3.eq(x3);
    Formula x15 = x16.and(x19);
    Formula x7 = x8.and(x15);
    Formula x22 = x1.eq(x1);
    Formula x23 = x4.eq(x4);
    Formula x21 = x22.and(x23);
    Formula x24 = x5.eq(x5);
    Formula x20 = x21.and(x24);
    Formula x6 = x7.and(x20);
    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);
    solver.options().setSkolemDepth(0);
    Solution sol = solver.solve(x6, bounds);
    assertEquals(sol.outcome(), Solution.Outcome.TRIVIALLY_SATISFIABLE);
}

Example 55 with Variable

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

the class TranslatorTest method testTranslateProjection.

public final void testTranslateProjection() {
    assertTrue(isSatisfiable(r3[0].eq(r2[0].project(IntConstant.constant(0), IntConstant.constant(1), IntConstant.constant(0)))));
    assertTrue(isSatisfiable(r2[1].in(r3[0].project(r1[3].count(), r1[2].count()))));
    final Variable v = Variable.nary("r", 2);
    assertFalse(isSatisfiable(v.transpose().eq(v.project(IntConstant.constant(1), IntConstant.constant(0))).not().forSome(v.setOf(r2[0]))));
    bounds.boundExactly(r3[0], bounds.upperBound(r3[0]));
    bounds.boundExactly(r2[0], bounds.upperBound(r2[0]));
    assertTrue(isSatisfiable(r3[0].project(IntConstant.constant(0), IntConstant.constant(1)).eq(r2[0])));
    assertTrue(isSatisfiable(r3[0].project(IntConstant.constant(0), IntConstant.constant(4), IntConstant.constant(2)).eq(Expression.NONE.product(Expression.NONE).product(Expression.NONE))));
    assertTrue(isSatisfiable(r3[0].project(IntConstant.constant(0), IntConstant.constant(-1), IntConstant.constant(2)).eq(Expression.NONE.product(Expression.NONE).product(Expression.NONE))));
}