Search in sources :

Example 6 with Status

use of su.litvak.chromecast.api.v2.Status in project batfish by batfish.

the class NodJobTest method testNattedUnsat.

/**
 * Test that traffic originating from 3.0.0.0 that is expected to be NATed returns UNSAT when we
 * constrain to only allow NOT-NATed results.
 */
@Test
public void testNattedUnsat() {
    HeaderSpace headerSpace = new HeaderSpace();
    headerSpace.setSrcIps(ImmutableList.of(new IpWildcard("3.0.0.0")));
    NodJob nodJob = getNodJob(headerSpace, false);
    Context z3Context = new Context();
    Status status = nodJob.computeNodSat(System.currentTimeMillis(), z3Context);
    assertThat(status, equalTo(Status.UNSATISFIABLE));
}
Also used : IpWildcard(org.batfish.datamodel.IpWildcard) Context(com.microsoft.z3.Context) Status(com.microsoft.z3.Status) HeaderSpace(org.batfish.datamodel.HeaderSpace) Test(org.junit.Test)

Example 7 with Status

use of su.litvak.chromecast.api.v2.Status 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);
}
Also used : Context(com.microsoft.z3.Context) Status(com.microsoft.z3.Status) BoolExpr(com.microsoft.z3.BoolExpr) Solver(com.microsoft.z3.Solver) Test(org.junit.Test)

Example 8 with Status

use of su.litvak.chromecast.api.v2.Status 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);
}
Also used : Context(com.microsoft.z3.Context) Status(com.microsoft.z3.Status) BoolExpr(com.microsoft.z3.BoolExpr) Solver(com.microsoft.z3.Solver) Test(org.junit.Test)

Example 9 with Status

use of su.litvak.chromecast.api.v2.Status 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);
}
Also used : Status(com.microsoft.z3.Status) BoolExpr(com.microsoft.z3.BoolExpr) Test(org.junit.Test)

Example 10 with Status

use of su.litvak.chromecast.api.v2.Status in project bmoth by hhu-stups.

the class BooleanFormulaEvaluationTest method testFalseFormula.

@Test
public void testFalseFormula() throws Exception {
    String formula = "x = 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");
    assertEquals(SATISFIABLE, check);
    assertEquals(z3Context.mkFalse(), z3Solver.getModel().eval(x, true));
}
Also used : Status(com.microsoft.z3.Status) BoolExpr(com.microsoft.z3.BoolExpr) BoolExpr(com.microsoft.z3.BoolExpr) Expr(com.microsoft.z3.Expr) Test(org.junit.Test)

Aggregations

Status (com.microsoft.z3.Status)61 BoolExpr (com.microsoft.z3.BoolExpr)55 Test (org.junit.Test)48 Context (com.microsoft.z3.Context)11 Expr (com.microsoft.z3.Expr)10 Solver (com.microsoft.z3.Solver)6 Model (com.microsoft.z3.Model)4 BatfishException (org.batfish.common.BatfishException)4 HeaderSpace (org.batfish.datamodel.HeaderSpace)4 IpWildcard (org.batfish.datamodel.IpWildcard)4 Fixedpoint (com.microsoft.z3.Fixedpoint)3 Z3Exception (com.microsoft.z3.Z3Exception)3 MachineToZ3Translator (de.bmoth.backend.z3.MachineToZ3Translator)2 ModelCheckingResult (de.bmoth.modelchecker.ModelCheckingResult)2 State (de.bmoth.modelchecker.State)2 HashSet (java.util.HashSet)2 Set (java.util.Set)2 Z3_ast_print_mode (com.microsoft.z3.enumerations.Z3_ast_print_mode)1 LitmusLexer (dartagnan.LitmusLexer)1 LitmusParser (dartagnan.LitmusParser)1