Java Code Examples for kodkod.ast.Variable#nary()
The following examples show how to use
kodkod.ast.Variable#nary() .
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Example 1
| Source File: TranslatorTest.java From kodkod with MIT License | 6 votes |
|
@Test
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))));
}
Example 2
| Source File: TranslatorTest.java From org.alloytools.alloy with Apache License 2.0 | 4 votes |
|
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))));
}
Example 3
| Source File: BugTests.java From org.alloytools.alloy with Apache License 2.0 | 4 votes |
|
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 4
| Source File: RegressionTests.java From kodkod with MIT License | 4 votes |
|
@Test
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().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());
}
}
