Automata.Z3.Tests.Z3_STTests.TestSTdomRestr C# (CSharp) Method

        public void TestSTdomRestr()
        {
            STBuilderZ3 stb = new STBuilderZ3(new Z3Provider(BitWidth.BV16));
            string d = @"^($){2,}$";
            var D = stb.CreateFromRegex("D", d).EliminateEpsilons();
            var SMT = D.Solver;
            STz3 A = MkDecodeWithFinalOutputs(stb, D.InputSort);
            STz3 AD = A.RestrictDomain(D);

            //AD.ShowAsGraph();

            AD.AssertTheory();
            Expr x = SMT.MkConst("x", AD.InputListSort);
            Expr y = SMT.MkConst("y", AD.OutputListSort);
            Expr decode_x_to_y = SMT.MkApp(AD.Acceptor, x, y);
            var model = SMT.MainSolver.GetModel(decode_x_to_y, x, y);

            string x_val = model[x].GetStringValue(false);
            string y_val = model[y].GetStringValue(false);

            Assert.IsTrue(x_val.StartsWith("$$"));
            Assert.IsTrue(y_val.StartsWith("$$"));
        }