Exemplo n.º 1
0
    public void Run()
    {
        using (Context ctx = new Context())
        {
            RealExpr x = ctx.MkRealConst("x");
            RealExpr y = ctx.MkRealConst("y");

            Goal g = ctx.MkGoal();
            g.Assert(ctx.MkGt(x, ctx.MkReal(10)), ctx.MkEq(y, ctx.MkAdd(x, ctx.MkReal(1))));
            g.Assert(ctx.MkGt(y, ctx.MkReal(1)));

            Tactic      t = ctx.MkTactic("simplify");
            ApplyResult r = t.Apply(g);

            Console.WriteLine(r);
            Console.WriteLine(g.Size);

            foreach (Goal s in r.Subgoals)
            {
                Console.WriteLine(s);
            }

            Console.WriteLine("Old goal: ");
            Console.WriteLine(g);

            t = ctx.Then(ctx.MkTactic("simplify"), ctx.MkTactic("solve-eqs"));
            r = t.Apply(g);

            Console.WriteLine(r);

            Solver solver = ctx.MkSolver();
            foreach (BoolExpr f in r.Subgoals[0].Formulas)
            {
                solver.Assert(f);
            }

            Console.WriteLine(solver);
            Console.WriteLine(solver.Check());
            Console.WriteLine(solver.Model);
            Console.WriteLine("applying model convert");
            Console.WriteLine(r.ConvertModel(0, solver.Model));
            Console.WriteLine("done");
        }
    }
Exemplo n.º 2
0
    public void Run()
    {
        Dictionary <string, string> cfg = new Dictionary <string, string>()
        {
            { "AUTO_CONFIG", "true" }
        };

        using (Context ctx = new Context(cfg))
        {
            Tactic t = ctx.Then(ctx.MkTactic("simplify"),
                                ctx.MkTactic("normalize-bounds"),
                                ctx.MkTactic("solve-eqs"));

            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");
            IntExpr z = ctx.MkIntConst("z");


            Goal g = ctx.MkGoal();
            g.Assert(ctx.MkGt(x, ctx.MkInt(10)));
            g.Assert(ctx.MkEq(y, ctx.MkAdd(x, ctx.MkInt(3))));
            g.Assert(ctx.MkGt(z, y));

            ApplyResult r = t[g];
            Console.WriteLine(r);

            Solver s = ctx.MkSolver();
            s.Assert(r.Subgoals[0].Formulas);

            Console.WriteLine(s.Check());

            Console.WriteLine("subgoal model");
            Model sgm = s.Model;
            Console.WriteLine(sgm);

            Console.WriteLine("converted model");
            Model m = r.ConvertModel(0, sgm);
            Console.WriteLine(m);

            Console.WriteLine(m.Evaluate(x));
        }
    }