Examples with BoolExpr com.microsoft.z3.BoolExpr used on opensource projects

Example 1 with BoolExpr

use of com.microsoft.z3.BoolExpr in project bmoth by hhu-stups.

the class Issue59Test method testIssue59JustInvariant.

@Test
public void testIssue59JustInvariant() {
    Context ctx = new Context();
    Solver s = ctx.mkSolver();
    String formula = "x**2 = x*x & #x.({x} \\/ {1,2} = {1,2})";
    BoolExpr combinedConstraint = translatePredicate(formula, ctx);
    s.add(combinedConstraint);
    Status check = s.check();
    assertEquals(Status.SATISFIABLE, check);
}

Example 2 with BoolExpr

use of com.microsoft.z3.BoolExpr in project bmoth by hhu-stups.

the class Issue59Test method testIssue59JustInvariant2.

@Test
public void testIssue59JustInvariant2() {
    Context ctx = new Context();
    Solver s = ctx.mkSolver();
    String formula = "x**2 = x*x";
    BoolExpr combinedConstraint = translatePredicate(formula, ctx);
    s.add(combinedConstraint);
    Status check = s.check();
    assertEquals(Status.SATISFIABLE, check);
}

Example 3 with BoolExpr

use of com.microsoft.z3.BoolExpr in project bmoth by hhu-stups.

the class Issue73Test method testSatPredicateWithoutModel.

@Test
public void testSatPredicateWithoutModel() throws IOException {
    String formula = "1 < 2";
    BoolExpr constraint = translatePredicate(formula, z3Context);
    SolutionFinder finder = new SolutionFinder(z3Solver, z3Context);
    Set<Model> solutions = finder.findSolutions(constraint, 20);
    assertEquals(0, solutions.size());
}

Example 4 with BoolExpr

use of com.microsoft.z3.BoolExpr in project bmoth by hhu-stups.

the class Issue76Test method testOperatorPrecedence.

@Test
public void testOperatorPrecedence() {
    String satFormula1 = "TRUE or (FALSE & FALSE)";
    String satFormula2 = "TRUE or FALSE & FALSE";
    Status check;
    BoolExpr satExpr1 = translatePredicate(satFormula1, z3Context);
    BoolExpr satExpr2 = translatePredicate(satFormula2, z3Context);
    z3Solver.add(satExpr1);
    check = z3Solver.check();
    assertEquals(Status.SATISFIABLE, check);
    z3Solver.add(satExpr2);
    check = z3Solver.check();
    assertEquals(Status.UNSATISFIABLE, check);
}

Example 5 with BoolExpr

use of com.microsoft.z3.BoolExpr in project bmoth by hhu-stups.

the class Z3InterpolationTest method testSimpleInterpolation.

@Test
public void testSimpleInterpolation() {
    IntExpr x = ctx.mkIntConst("x");
    BoolExpr xGtZero = ctx.mkGt(x, ctx.mkInt(0));
    BoolExpr xLtZero = ctx.mkLt(x, ctx.mkInt(0));
    BoolExpr xGtZeroInterpolant = ctx.MkInterpolant(xGtZero);
    s.add(xGtZero);
    s.add(xLtZero);
    Status check = s.check();
    assertEquals(Status.UNSATISFIABLE, check);
    ComputeInterpolantResult ir = ctx.ComputeInterpolant(ctx.mkAnd(xGtZeroInterpolant, xLtZero), ctx.mkParams());
    assertEquals(1, ir.interp.length);
    assertEquals("(not (<= x 0))", ir.interp[0].toString());
}