Exemple #1
0
 public void BooleanAlgebraZ3_test1()
 {
     var ctx    = new Context();
     var sort   = ctx.IntSort;
     var solver = new Z3BoolAlg(ctx, sort);
     var alg    = new BDDAlgebra <BoolExpr>(solver);
     var x      = new Variable("x", true);
     var pred   = new MSOPredicate <BoolExpr>(ctx.MkEq(solver.x, ctx.MkNumeral(42, sort)), x);
     MSOFormula <BoolExpr> phi = new MSOExists <BoolExpr>(x, pred);
     var pred_aut = pred.GetAutomaton(alg);
     //pred_aut.ShowGraph("pred_aut");
 }
Exemple #2
0
        public void TestMSO_Pred()
        {
            var solver = new CharSetSolver(BitWidth.BV16);
            var x = new Variable("x", true);
            var pred = new MSOPredicate<BDD>(solver.MkCharConstraint( 'c'), x);
            MSOFormula<BDD> phi = new MSOExists<BDD>(x, pred);

            var ca = new CartesianAlgebraBDD<BDD>(solver);
            var pred_aut = pred.GetAutomaton(ca);
            //pred_aut.ShowGraph("pred_aut");

            var aut = phi.GetAutomaton(solver);
            for (int i = 0; i < 10; i++)
            {
                var s = solver.GenerateMember(aut);
                Assert.IsTrue(System.Text.RegularExpressions.Regex.IsMatch(s, "c"), "regex mismatch");
            }
            var aut2 = solver.RegexConverter.Convert("c", System.Text.RegularExpressions.RegexOptions.Singleline);
            //aut2.ShowGraph("aut2");
            //aut.ShowGraph("aut");
            Assert.IsTrue(aut2.IsEquivalentWith(aut), "automata not equialent");
        }