use of kodkod.ast.Relation in project org.alloytools.alloy by AlloyTools.
the class BugTests method testMana_01132006.
public final void testMana_01132006() {
// r0=[[], [[null], [DblLinkedList0]]],
// null=[[[null]], [[null]]],
// head=[[], [[DblLinkedList0, null], [DblLinkedList0,
// DblLinkedListElem0]]],
// next=[[], [[DblLinkedListElem0, null], [DblLinkedListElem0,
// DblLinkedListElem0]]],
// univ=[[[null], [DblLinkedList0], [1], [DblLinkedListElem0], [0]],
// [[null], [DblLinkedList0], [1], [DblLinkedListElem0], [0]]]
// r1=[[], [[null], [DblLinkedListElem0]]],
final List<String> atoms = new ArrayList<String>(5);
atoms.add("null");
atoms.add("DblLinkedList0");
atoms.add("1");
atoms.add("DblLinkedListElem0");
atoms.add("0");
final Universe u = new Universe(atoms);
final TupleFactory t = u.factory();
// !((head . univ) in ((if (r1 in null) then (head ++ (r0 -> (r1 .
// next))) else head) . univ))
final Relation head = Relation.binary("head"), univ = Relation.unary("univ"), r0 = Relation.unary("r0"), r1 = Relation.unary("r1"), next = Relation.binary("next"), nil = Relation.unary("null"), none = Relation.unary("none");
final Expression override = head.override(r0.product(r1.join(next)));
final Expression ifElse = r1.in(nil).thenElse(override, head);
final Formula f = head.join(univ).in(ifElse.join(univ)).not();
final Bounds b = new Bounds(u);
b.bound(r0, t.setOf("null", "DblLinkedList0"));
b.bound(r1, t.setOf("null", "DblLinkedListElem0"));
b.bound(head, t.setOf("DblLinkedList0").product(b.upperBound(r1)));
b.bound(next, t.setOf(t.tuple("DblLinkedListElem0", "null"), t.tuple("DblLinkedListElem0", "DblLinkedListElem0")));
b.boundExactly(univ, t.allOf(1));
b.boundExactly(nil, t.setOf("null"));
b.boundExactly(none, t.noneOf(1));
// System.out.println(f);
// System.out.println(b);
final Instance instance = solver.solve(f, b).instance();
assertNull(instance);
}
use of kodkod.ast.Relation in project org.alloytools.alloy by AlloyTools.
the class BugTests method testVincent_03182006_reduced.
public final void testVincent_03182006_reduced() {
final Relation pCourses = Relation.binary("pCourses"), prereqs = Relation.binary("prereqs");
final List<String> atoms = new ArrayList<String>(14);
atoms.add("6.002");
atoms.add("8.02");
atoms.add("6.003");
atoms.add("6.001");
atoms.add("[8.02]");
atoms.add("[6.001]");
atoms.add("[]");
final Universe u = new Universe(atoms);
final Bounds b = new Bounds(u);
final TupleFactory f = u.factory();
b.bound(pCourses, f.setOf(f.tuple("[8.02]", "8.02"), f.tuple("[6.001]", "6.001")));
b.bound(prereqs, f.setOf(f.tuple("6.002", "[8.02]"), f.tuple("8.02", "[]"), f.tuple("6.003", "[6.001]"), f.tuple("6.001", "[]")));
// System.out.println(u);
solver.options().setSolver(SATFactory.DefaultSAT4J);
Solution solution = solver.solve((pCourses.some()).and(prereqs.some()), b);
// System.out.println(solution); // SATISFIABLE
assertEquals(solution.outcome(), Solution.Outcome.SATISFIABLE);
}
use of kodkod.ast.Relation in project org.alloytools.alloy by AlloyTools.
the class BugTests method testGreg_02192006.
public final void testGreg_02192006() {
Relation r1 = Relation.unary("r1");
Relation r2 = Relation.unary("r2");
Relation r3 = Relation.unary("r3");
Expression e = r1.in(r2).thenElse(r2, r1);
Formula f = e.eq(r2).and(e.in(r3));
Object o1 = "o1";
Object o2 = "o2";
Universe univ = new Universe(Arrays.asList(o1, o2));
TupleFactory factory = univ.factory();
TupleSet set1 = factory.setOf(o1);
TupleSet set2 = factory.setOf(o2);
Bounds bounds = new Bounds(univ);
bounds.bound(r1, set1);
bounds.boundExactly(r2, set2);
bounds.bound(r3, set1);
assertEquals(Solution.Outcome.TRIVIALLY_UNSATISFIABLE, solver.solve(f, bounds).outcome());
}
use of kodkod.ast.Relation in project org.alloytools.alloy by AlloyTools.
the class BugTests method testVincent_02162006.
public final void testVincent_02162006() {
// 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();
// oneRel is bounded to the Integer 1
final Relation oneRel = Relation.unary("oneRel");
// rel can contain anything
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));
// constraint: oneRel in rel
Formula formula = oneRel.in(rel);
// solve
final Instance instance = solver.solve(formula, bounds).instance();
assertNotNull(instance);
// System.out.println(instance);
}
use of kodkod.ast.Relation in project org.alloytools.alloy by AlloyTools.
the class BugTests method testFelix_03062008_2.
public final void testFelix_03062008_2() {
Relation x5 = Relation.unary("Role");
Relation x6 = Relation.unary("Session");
List<String> atomlist = Arrays.asList("Role$0", "Session$0", "Session$1");
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("Role$0"));
bounds.bound(x5, x5_upper);
TupleSet x6_upper = factory.noneOf(1);
x6_upper.add(factory.tuple("Session$0"));
x6_upper.add(factory.tuple("Session$1"));
bounds.bound(x6, x6_upper);
Variable x11 = Variable.unary("x_a");
Decls x10 = x11.oneOf(x6);
Variable x15 = Variable.unary("x_b");
Decls x14 = x15.oneOf(x5);
Variable x17 = Variable.unary("x_c");
Decls x16 = x17.oneOf(x5);
Decls x13 = x14.and(x16);
Expression x20 = x15.product(x17);
Expression x19 = x11.product(x20);
Formula x18 = x19.some();
Formula x12 = x18.forSome(x13);
Formula x9 = x12.forAll(x10);
Formula x24 = x5.some();
Formula x23 = x24.not();
Formula x28 = x5.eq(x5);
Formula x29 = x6.eq(x6);
Formula x25 = x28.and(x29);
Formula x22 = x23.and(x25);
Formula x8 = x9.and(x22).and(x5.no()).and(x6.no());
Solver solver = new Solver();
solver.options().setSolver(SATFactory.DefaultSAT4J);
solver.options().setBitwidth(2);
// solver.options().setFlatten(false);
solver.options().setIntEncoding(Options.IntEncoding.TWOSCOMPLEMENT);
solver.options().setSymmetryBreaking(20);
solver.options().setSkolemDepth(2);
System.out.flush();
Solution sol = solver.solve(x8, bounds);
Instance inst = sol.instance();
assertNotNull(inst);
for (Relation rel : inst.relations()) {
if (rel != x5 && rel != x6) {
final TupleSet range = inst.tuples(x6).product(inst.tuples(x5));
assertTrue(range.containsAll(inst.tuples(rel)));
}
}
}
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