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

Example 31 with Expr

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

the class StateTest method testEquals.

@Test
public void testEquals() {
    HashMap<String, Expr> map = new HashMap<>();
    map.put("a", z3Context.mkInt(1));
    map.put("b", z3Context.mkInt(2));
    State s = new State(map);
    State s2 = new State(map);
    assertEqualsImplementedCorrectly(s);
    assertEqualsImplementedCorrectly(s, s2);
    s2 = new State(map);
    State s3 = new State(map);
    assertEqualsImplementedCorrectly(s2);
    assertEqualsImplementedCorrectly(s2, s3);
}

Example 32 with Expr

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

the class StateTest method testStateEquals2.

@Test
public void testStateEquals2() throws Exception {
    HashMap<String, Expr> map1 = new HashMap<>();
    HashMap<String, Expr> map2 = new HashMap<>();
    map1.put("x", z3Context.mkInt(11));
    map1.put("y", z3Context.mkInt(12));
    map2.put("x", z3Context.mkInt(11));
    State state1 = new State(map1);
    State state2 = new State(map2);
    assertNotEquals(state1, state2);
    assertNotEquals(state1.hashCode(), state2.hashCode());
}

Example 33 with Expr

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

the class Z3ConnectionTest method testQuantifiedFormula.

@Test
public void testQuantifiedFormula() {
    Expr a = z3Context.mkIntConst("a");
    Expr b = z3Context.mkIntConst("b");
    BoolExpr constraint = z3Context.mkAnd(z3Context.mkEq(a, b), z3Context.mkEq(a, z3Context.mkInt(5)), z3Context.mkEq(b, z3Context.mkInt(7)));
    constraint = z3Context.mkExists(new Expr[] { a, b }, constraint, 1, null, null, null, null);
    z3Solver.add(constraint);
    Status check = z3Solver.check();
    assertEquals(Status.UNSATISFIABLE, check);
}

Example 34 with Expr

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

the class Z3ConnectionTest method testSimpleCallToZ3.

@Test
public void testSimpleCallToZ3() {
    // a = b & a = 5
    Expr a = z3Context.mkIntConst("a");
    Expr b = z3Context.mkIntConst("b");
    BoolExpr constraint = z3Context.mkAnd(z3Context.mkEq(a, b), z3Context.mkEq(a, z3Context.mkInt(5)));
    z3Solver.add(constraint);
    Status check = z3Solver.check();
    assertEquals(Status.SATISFIABLE, check);
    assertEquals(z3Context.mkInt(5), z3Solver.getModel().eval(a, true));
    assertEquals(z3Context.mkInt(5), z3Solver.getModel().eval(b, true));
}

Example 35 with Expr

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

the class BooleanFormulaEvaluationTest method testSimpleBooleanFormula.

@Test
public void testSimpleBooleanFormula() throws Exception {
    String formula = "x = TRUE & y = FALSE";
    // getting the translated z3 representation of the formula
    BoolExpr constraint = FormulaToZ3Translator.translatePredicate(formula, z3Context);
    z3Solver.add(constraint);
    Status check = z3Solver.check();
    Expr x = z3Context.mkBoolConst("x");
    Expr y = z3Context.mkBoolConst("y");
    assertEquals(Status.SATISFIABLE, check);
    assertEquals(z3Context.mkBool(true), z3Solver.getModel().eval(x, true));
    assertEquals(z3Context.mkBool(false), z3Solver.getModel().eval(y, false));
}