MkIntConst() public méthode

Creates an integer constant.
public MkIntConst ( Symbol name ) : IntExpr
name Symbol
Résultat IntExpr
Exemple #1
0
    public void Run()
    {
        Dictionary<string, string> settings = new Dictionary<string, string>() { { "AUTO_CONFIG", "true" }, { "MODEL", "true" } };

        using (Context ctx = new Context(settings))
        {
            IntExpr a = ctx.MkIntConst("a");
            IntExpr b = ctx.MkIntConst("b");
            IntExpr c = ctx.MkIntConst("c");
            RealExpr d = ctx.MkRealConst("d");
            RealExpr e = ctx.MkRealConst("e");

            BoolExpr q = ctx.MkAnd(
                ctx.MkGt(a, ctx.MkAdd(b, ctx.MkInt(2))),
                ctx.MkEq(a, ctx.MkAdd(ctx.MkMul(ctx.MkInt(2), c), ctx.MkInt(10))),
                ctx.MkLe(ctx.MkAdd(c, b), ctx.MkInt(1000)),
                ctx.MkGe(d, e));

            Solver s = ctx.MkSolver();
            s.Assert(q);

            Console.WriteLine(s.Check());

            Console.WriteLine(s.Model);
        }
    }
Exemple #2
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr dog = ctx.MkIntConst("dog");
            IntExpr cat = ctx.MkIntConst("cat");
            IntExpr mouse = ctx.MkIntConst("mouse");

            Solver s = ctx.MkSolver();

            s.Assert(ctx.MkGe(dog, ctx.MkInt(1)));
            s.Assert(ctx.MkGe(cat, ctx.MkInt(1)));
            s.Assert(ctx.MkGe(mouse, ctx.MkInt(1)));
            s.Assert(ctx.MkEq(ctx.MkAdd(dog, cat, mouse), ctx.MkInt(100)));
            s.Assert(ctx.MkEq(ctx.MkAdd(ctx.MkMul(ctx.MkInt(1500), dog),
                                        ctx.MkMul(ctx.MkInt(100), cat),
                                        ctx.MkMul(ctx.MkInt(25), mouse)),
                              ctx.MkInt(10000)));

            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);
        }
    }
Exemple #3
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    public void Run()
    {
        using (Context ctx = new Context())
        {
            BoolExpr p = ctx.MkBoolConst("p");
            Console.WriteLine(ctx.MkNot(p));
            Console.WriteLine(ctx.MkNot(p));
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)));
            Console.WriteLine(ctx.MkAdd(ctx.MkInt(1), x));
            Console.WriteLine(ctx.MkAdd(x, y));
            Console.WriteLine(ctx.MkMul(ctx.MkInt(2), x));
            Console.WriteLine(ctx.MkMul(x, ctx.MkInt(2)));
            Console.WriteLine(ctx.MkMul(x, y));
            Console.WriteLine(ctx.MkDiv(x, y));
            Console.WriteLine(ctx.MkMod(x, y));
            Console.WriteLine(ctx.MkEq(x, y));
            Console.WriteLine(ctx.MkDistinct(x, y, x));
            Console.WriteLine(ctx.MkNot(ctx.MkEq(x, y)));
            Console.WriteLine(ctx.MkEq(x, y));
            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)));
            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)));

            BoolExpr q = ctx.MkBoolConst("q");
            Console.WriteLine(ctx.MkNot(p));
            Console.WriteLine(ctx.MkNot(p));
            Console.WriteLine(ctx.MkAnd(p, q));
            Console.WriteLine(ctx.MkAnd(p, q));
            Console.WriteLine(ctx.MkEq(x, y));
        }
    }
Exemple #4
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Solver s = ctx.MkSolver();
            Console.WriteLine(s);

            s.Assert(ctx.MkGt(x, ctx.MkInt(10)), ctx.MkEq(y, ctx.MkAdd(x, ctx.MkInt(2))));
            Console.WriteLine(s);
            Console.WriteLine("solving s");
            Console.WriteLine(s.Check());

            Console.WriteLine("creating new scope");
            s.Push();
            s.Assert(ctx.MkLt(y, ctx.MkInt(11)));
            Console.WriteLine(s);
            Console.WriteLine("solving updated constraints");
            Console.WriteLine(s.Check());

            Console.WriteLine("restoring");
            s.Pop();
            Console.WriteLine(s);
            Console.WriteLine("solving restored constraints");
            Console.WriteLine(s.Check());
        }
    }
Exemple #5
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            BoolExpr p1 = ctx.MkBoolConst("p1");
            BoolExpr p2 = ctx.MkBoolConst("p2");
            BoolExpr p3 = ctx.MkBoolConst("p3");

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

            Solver s = ctx.MkSolver();

            s.Assert(ctx.MkImplies(p1, ctx.MkGt(x, ctx.MkInt(10))),
                     ctx.MkImplies(p1, ctx.MkGt(y, x)),
                     ctx.MkImplies(p2, ctx.MkLt(y, ctx.MkInt(5))),
                     ctx.MkImplies(p3, ctx.MkGt(y, ctx.MkInt(0))));

            Console.WriteLine(s);
            Console.WriteLine(s.Check(p1, p2, p3));
            Console.WriteLine("Core: ");
            foreach (Expr e in s.UnsatCore)
                Console.WriteLine(e);

            Console.WriteLine(s.Check(p1, p3));
            Console.WriteLine(s.Model);
        }
    }
Exemple #6
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() { };

        using (Context ctx = new Context(cfg))
        {
            FuncDecl f = ctx.MkFuncDecl("f", ctx.IntSort, ctx.IntSort);
            FuncDecl g = ctx.MkFuncDecl("g", ctx.IntSort, ctx.IntSort);

            IntExpr a = ctx.MkIntConst("a");
            IntExpr b = ctx.MkIntConst("b");
            IntExpr c = ctx.MkIntConst("c");

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

            Solver s = ctx.MkSolver();
            Params p = ctx.MkParams();
            p.Add("AUTO_CONFIG", false);
            p.Add("MBQI", false);
            s.Parameters = p;

            s.Assert(ctx.MkForall(new Expr[] { x }, ctx.MkEq(f[g[x]], x), 1, new Pattern[] { ctx.MkPattern(f[g[x]]) }));
            s.Assert(ctx.MkEq(a, g[b]));
            s.Assert(ctx.MkEq(b, c));
            s.Assert(ctx.MkDistinct(f[a], c));

            Console.WriteLine(s);
            Console.WriteLine(s.Check());
        }
    }
Exemple #7
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr[] x = new IntExpr[20];
            IntExpr[] y = new IntExpr[20];

            for (uint i = 0; i < 20; i++)
            {
                x[i] = ctx.MkIntConst(string.Format("x_{0}", i));
                y[i] = ctx.MkIntConst(string.Format("y_{0}", i));
            }

            BoolExpr f = ctx.MkAnd(ctx.MkGe(ctx.MkAdd(x), ctx.MkInt(0)),
                                   ctx.MkGe(ctx.MkAdd(y), ctx.MkInt(0)));

            Console.WriteLine("now: " + ctx.GetParamValue("PP_MAX_DEPTH"));

            ctx.UpdateParamValue("PP_MAX_DEPTH", "1");
            Console.WriteLine(f);

            ctx.UpdateParamValue("PP_MAX_DEPTH", "100");
            ctx.UpdateParamValue("PP_MAX_NUM_LINES", "10");
            Console.WriteLine(f);

            ctx.UpdateParamValue("PP_MAX_NUM_LINES", "20");
            ctx.UpdateParamValue("PP_MAX_WIDTH", "300");
            Console.WriteLine(f);

            Console.WriteLine("now: " + ctx.GetParamValue("PP_MAX_WIDTH"));
        }
    }
Exemple #8
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    public void Run()
    {
        using (Context ctx = new Context())
        {
            Sort U = ctx.MkUninterpretedSort("U");
            Console.WriteLine(U);
            Expr a = ctx.MkConst("a", U);

            a = ctx.MkConst("a", U);
            Expr b = ctx.MkConst("b", U);
            Expr c = ctx.MkConst("c", U);

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

            Console.WriteLine(ctx.MkAnd(ctx.MkEq(a, b), ctx.MkEq(a, c)));
            Console.WriteLine(U == ctx.IntSort);

            Sort U2 = ctx.MkUninterpretedSort("U");
            Console.WriteLine(U == U2);

            U2 = ctx.MkUninterpretedSort("U2");
            Console.WriteLine(U == U2);
            Console.WriteLine(ctx.MkDistinct(a, b, c));

            FuncDecl f = ctx.MkFuncDecl("f", new Sort[] { U, U }, U);
            Console.WriteLine(ctx.MkEq(f[a,b], b));
        }
    }
Exemple #9
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            ArithExpr[] a = new ArithExpr[5];
            for (uint x = 0; x < 5; x++)
                a[x] = ctx.MkInt(x+1);

            foreach (Expr e in a)
                Console.WriteLine(e);

            ArithExpr[] X = new ArithExpr[5];
            for (uint i = 0; i < 5; i++)
                X[i] = ctx.MkIntConst(string.Format("x{0}", i));

            ArithExpr[] Y = new ArithExpr[5];
            for (uint i = 0; i < 5; i++)
                Y[i] = ctx.MkIntConst(string.Format("y{0}", i));

            foreach (Expr e in X)
                Console.WriteLine(e);

            ArithExpr[] X_plus_Y = new ArithExpr[5];
            for (uint i = 0; i < 5; i++)
                X_plus_Y[i] = ctx.MkAdd(X[i], Y[i]);

            foreach (Expr e in X_plus_Y)
                Console.WriteLine(e);

            BoolExpr[] X_gt_Y = new BoolExpr[5];
            for (uint i = 0; i < 5; i++)
                X_gt_Y[i] = ctx.MkGt(X[i], Y[i]);

            foreach (Expr e in X_gt_Y)
                Console.WriteLine(e);

            Console.WriteLine(ctx.MkAnd(X_gt_Y));

            Expr[][] matrix = new Expr[3][];
            for (uint i = 0; i < 3; i++) {
                matrix[i] = new Expr[3];
                for (uint j = 0; j < 3; j++)
                    matrix[i][j] = ctx.MkIntConst(string.Format("x_{0}_{1}", i + 1, j + 1));
            }

            foreach(Expr[] row in matrix) {
                foreach(Expr e in row)
                    Console.Write(" " + e);
                Console.WriteLine();
            }
        }
    }
Exemple #10
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Console.WriteLine(ctx.MkAdd(x, y).FuncDecl.DeclKind == Z3_decl_kind.Z3_OP_ADD);
            Console.WriteLine(ctx.MkAdd(x, y).FuncDecl.DeclKind == Z3_decl_kind.Z3_OP_SUB);
        }
    }
Exemple #11
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    public void Run()
    {
        using (Context ctx = new Context())
        {
            BoolExpr p = ctx.MkBoolConst("p");
            BoolExpr q = ctx.MkBoolConst("q");
            Console.WriteLine(ctx.MkAnd(p, q));
            Console.WriteLine(ctx.MkOr(p, q));
            Console.WriteLine(ctx.MkAnd(p, ctx.MkTrue()));
            Console.WriteLine(ctx.MkOr(p, ctx.MkFalse()));
            Console.WriteLine(ctx.MkNot(p));
            Console.WriteLine(ctx.MkImplies(p, q));
            Console.WriteLine(ctx.MkEq(p, q).Simplify());
            Console.WriteLine(ctx.MkEq(p, q));

            BoolExpr r = ctx.MkBoolConst("r");

            Console.WriteLine(ctx.MkNot(ctx.MkEq(p, ctx.MkNot(ctx.MkEq(q, r)))));
            Console.WriteLine(ctx.MkNot(ctx.MkEq(ctx.MkNot(ctx.MkEq(p, q)), r)));
            Console.WriteLine(ctx.MkEq(p, ctx.MkTrue()));
            Console.WriteLine(ctx.MkEq(p, ctx.MkFalse()));
            Console.WriteLine(ctx.MkEq(p, ctx.MkTrue()).Simplify());
            Console.WriteLine(ctx.MkEq(p, ctx.MkFalse()).Simplify());
            Console.WriteLine(ctx.MkEq(p, p).Simplify());
            Console.WriteLine(ctx.MkEq(p, q).Simplify());
            Console.WriteLine(ctx.MkAnd(p, q, r));
            Console.WriteLine(ctx.MkOr(p, q, r));

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

            Console.WriteLine(x is BoolExpr);
            Console.WriteLine(p is BoolExpr);
            Console.WriteLine(ctx.MkAnd(p, q) is BoolExpr);
            Console.WriteLine(p is BoolExpr);
            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)) is BoolExpr);
            Console.WriteLine(p.IsAnd);
            Console.WriteLine(ctx.MkOr(p, q).IsOr);
            Console.WriteLine(ctx.MkAnd(p, q).IsAnd);
            Console.WriteLine(x.IsNot);
            Console.WriteLine(p.IsNot);
            Console.WriteLine(ctx.MkNot(p));
            Console.WriteLine(ctx.MkNot(p).IsDistinct);
            Console.WriteLine(ctx.MkEq(p, q).IsDistinct);
            Console.WriteLine(ctx.MkDistinct(p, q).IsDistinct);
            Console.WriteLine(ctx.MkDistinct(x, ctx.MkAdd(x, ctx.MkInt(1)), ctx.MkAdd(x, ctx.MkInt(2))).IsDistinct);

            Console.WriteLine();

            Console.WriteLine(ctx.MkBool(true));
            Console.WriteLine(ctx.MkBool(false));
            Console.WriteLine(ctx.BoolSort);

            Context ctx1 = new Context();
            Console.WriteLine(ctx1.MkBool(true));
            Console.WriteLine(ctx1.BoolSort);
            Console.WriteLine(ctx1.MkBool(true).Sort == ctx1.BoolSort);
            Console.WriteLine(ctx1.MkBool(true).Sort == ctx.BoolSort);
            Console.WriteLine(ctx1.MkBool(true).Sort != ctx.BoolSort);
        }
    }
Exemple #12
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            FuncDecl x_d = x.FuncDecl;

            Console.WriteLine("is_expr(x_d): " + x_d.IsExpr);
            Console.WriteLine("is_func_decl(x_d): " + x_d.IsFuncDecl);
            Console.WriteLine("x_d.Name: " + x_d.Name);
            Console.WriteLine("x_d.Range: " + x_d.Range);
            Console.WriteLine("x_d.Arity: " + x_d.Arity);
            Console.WriteLine("x_d() == x: " + (x_d.Apply() == x));

            FuncDecl f = ctx.MkFuncDecl("f", new Sort[] { ctx.IntSort, ctx.RealSort }, ctx.BoolSort);

            Console.WriteLine("f.Name: " + f.Name);
            Console.WriteLine("f.Range: " + f.Range);
            Console.WriteLine("f.Arity: " + f.Arity);

            for (uint i = 0; i < f.Arity; i++)
                Console.WriteLine("domain(" + i + "): " + f.Domain[i]);

            Console.WriteLine(f[x, ctx.MkInt2Real(x)]);
            Console.WriteLine(f[x, ctx.MkInt2Real(x)].FuncDecl == f);
        }
    }
Exemple #13
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr[] X = new IntExpr[5];
            for (uint i = 0; i < 5; i++)
                X[i] = ctx.MkIntConst(string.Format("x_{0}", i));

            RealExpr[] Y = new RealExpr[5];
            for (uint i = 0; i < 5; i++)
                Y[i] = ctx.MkRealConst(string.Format("y_{0}", i));

            BoolExpr[] P = new BoolExpr[5];
            for (uint i = 0; i < 5; i++)
                P[i] = ctx.MkBoolConst(string.Format("p_{0}", i));

            foreach (Expr x in X)
                Console.WriteLine(x);
            foreach (Expr x in Y)
                Console.WriteLine(x);
            foreach (Expr x in P)
                Console.WriteLine(x);

            foreach (ArithExpr y in Y)
                Console.WriteLine(ctx.MkPower(y, ctx.MkReal(2)));

            ArithExpr[] Yp = new ArithExpr[Y.Length];
            for (uint i = 0; i < Y.Length; i++)
                Yp[i] = ctx.MkPower(Y[i], ctx.MkReal(2));
            Console.WriteLine(ctx.MkAdd(Yp));
        }
    }
Exemple #14
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        public static void ProveExample2(Context ctx)
        {
            Console.WriteLine("ProveExample2");

            /* declare function g */
            Sort I = ctx.IntSort;

            FuncDecl g = ctx.MkFuncDecl("g", I, I);

            /* create x, y, and z */
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");
            IntExpr z = ctx.MkIntConst("z");

            /* create gx, gy, gz */
            Expr gx = ctx.MkApp(g, x);
            Expr gy = ctx.MkApp(g, y);
            Expr gz = ctx.MkApp(g, z);

            /* create zero */
            IntExpr zero = ctx.MkInt(0);

            /* assert not(g(g(x) - g(y)) = g(z)) */
            ArithExpr gx_gy = ctx.MkSub((IntExpr)gx, (IntExpr)gy);
            Expr ggx_gy = ctx.MkApp(g, gx_gy);
            BoolExpr eq = ctx.MkEq(ggx_gy, gz);
            BoolExpr c1 = ctx.MkNot(eq);

            /* assert x + z <= y */
            ArithExpr x_plus_z = ctx.MkAdd(x, z);
            BoolExpr c2 = ctx.MkLe(x_plus_z, y);

            /* assert y <= x */
            BoolExpr c3 = ctx.MkLe(y, x);

            /* prove z < 0 */
            BoolExpr f = ctx.MkLt(z, zero);
            Console.WriteLine("prove: not(g(g(x) - g(y)) = g(z)), x + z <= y <= x implies z < 0");
            Prove(ctx, f, c1, c2, c3);

            /* disprove z < -1 */
            IntExpr minus_one = ctx.MkInt(-1);
            f = ctx.MkLt(z, minus_one);
            Console.WriteLine("disprove: not(g(g(x) - g(y)) = g(z)), x + z <= y <= x implies z < -1");
            Disprove(ctx, f, c1, c2, c3);
        }
Exemple #15
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Solver s = ctx.MkTactic("smt").Solver;

            s.Assert(ctx.MkGt(x, ctx.MkAdd(y, ctx.MkInt(1))));
            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);
        }
    }
Exemple #16
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 public void Run()
 {
     using (Context ctx = new Context())
     {
         IntExpr x = ctx.MkIntConst("x");
         Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)));
     }
 }
Exemple #17
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            FuncDecl f = ctx.MkFuncDecl("f", new Sort[] { ctx.IntSort, ctx.IntSort }, ctx.IntSort);
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Quantifier qf = ctx.MkForall(new Expr[] { x, y }, ctx.MkEq(f[x, y], ctx.MkInt(0)));
            Console.WriteLine(qf.Body);

            Expr v1 = qf.Body.Args[0].Args[0];
            Console.WriteLine(v1);
            Console.WriteLine(v1 == ctx.MkBound(1, ctx.IntSort));
        }
    }
Exemple #18
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            Params p = ctx.MkParams();
            p.Add(":arith-lhs", true);
            p.Add(":som", true);

            Solver s = ctx.Then(ctx.With(ctx.MkTactic("simplify"), p),
                                ctx.MkTactic("normalize-bounds"),
                                ctx.MkTactic("lia2pb"),
                                ctx.MkTactic("pb2bv"),
                                ctx.MkTactic("bit-blast"),
                                ctx.MkTactic("sat")).Solver;

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

            s.Assert(new BoolExpr[] { ctx.MkGt(x, ctx.MkInt(0)),
                                      ctx.MkLt(x, ctx.MkInt(10)),
                                      ctx.MkGt(y, ctx.MkInt(0)),
                                      ctx.MkLt(y, ctx.MkInt(10)),
                                      ctx.MkGt(z, ctx.MkInt(0)),
                                      ctx.MkLt(z, ctx.MkInt(10)),
                                      ctx.MkEq(ctx.MkAdd(ctx.MkMul(ctx.MkInt(3), y),
                                                         ctx.MkMul(ctx.MkInt(2), x)), z) });

            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);

            s.Reset();

            s.Assert(ctx.MkEq(ctx.MkAdd(ctx.MkMul(ctx.MkInt(3), y),
                                        ctx.MkMul(ctx.MkInt(2), x)), z));

            Console.WriteLine(s.Check());
        }
    }
Exemple #19
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() { { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            RealExpr x = ctx.MkRealConst("x");
            IntExpr y = ctx.MkIntConst("y");
            RealExpr a, b, c;
            a = ctx.MkRealConst("a");
            b = ctx.MkRealConst("b");
            c = ctx.MkRealConst("c");
            IntExpr s, r;
            s = ctx.MkIntConst("s");
            r = ctx.MkIntConst("r");
            TestDriver.CheckString(ctx.MkAdd(x, ctx.MkInt2Real(y), ctx.MkReal(1), ctx.MkAdd(a, ctx.MkInt2Real(s))),
                        "(+ x (to_real y) 1.0 a (to_real s))");
            TestDriver.CheckString(ctx.MkAdd(ctx.MkInt2Real(y), c), "(+ (to_real y) c)");
        }
    }
Exemple #20
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Solver s1 = ctx.MkSolver();
            s1.Assert(new BoolExpr[] { ctx.MkGt(x, ctx.MkInt(10)), ctx.MkGt(y, ctx.MkInt(10)) });

            Solver s2 = ctx.MkSolver();

            Console.WriteLine(s2);
            s2.Assert(s1.Assertions);

            Console.WriteLine(s2);
        }
    }
Exemple #21
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" },
            { "MODEL", "true" } };

        using (Context ctx = new Context(cfg))
        {
            ArrayExpr A = ctx.MkArrayConst("A", ctx.IntSort, ctx.IntSort);

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

            Solver s = ctx.MkSolver();
            s.Assert(ctx.MkEq(ctx.MkSelect(A, x), x));
            s.Assert(ctx.MkEq(ctx.MkStore(A, x, y), A));
            Console.WriteLine(s);
            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);
        }
    }
Exemple #22
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    public void Run()
    {
        using (Context ctx = new Context())
        {
            FuncDecl f = ctx.MkFuncDecl("f", new Sort[] { ctx.IntSort, ctx.RealSort }, ctx.IntSort);

            try
            {
                Console.WriteLine(f.Domain[3]);
            }
            catch (IndexOutOfRangeException ex)
            {
                Console.WriteLine("failed: " + ex.Message);
            }

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

            Console.WriteLine(f[ctx.MkInt(1), ctx.MkReal(1)]);
            Console.WriteLine(f[ctx.MkInt(1), ctx.MkReal(1)].Sort);
            Console.WriteLine(f[ctx.MkInt(1), ctx.MkReal(1)].NumArgs);
            foreach (Expr e in f[ctx.MkAdd(x, ctx.MkInt(1)), ctx.MkReal(1)].Args)
            Console.WriteLine(e);
            Console.WriteLine(f[ctx.MkAdd(x, ctx.MkInt(1)), ctx.MkReal(1)].Args[0]);
            Console.WriteLine(f[ctx.MkAdd(x, ctx.MkInt(1)), ctx.MkReal(1)].Args[0].Equals(ctx.MkAdd(x, ctx.MkInt(1))));
            Console.WriteLine(f[ctx.MkAdd(x, ctx.MkInt(1)), ctx.MkReal(1)].FuncDecl[ctx.MkInt(2), ctx.MkInt2Real((IntExpr)ctx.MkAdd(x, ctx.MkInt(1)))]);

            Console.WriteLine(ctx.MkInt(1).IsExpr);
            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)).IsExpr);
            Console.WriteLine(ctx.MkForall(new Expr[] { x }, ctx.MkGt(x, ctx.MkInt(0))).IsExpr);
            Console.WriteLine(ctx.MkInt(1).IsConst);
            Console.WriteLine(x.IsConst);
            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)).IsConst);
            Console.WriteLine(ctx.MkForall(new Expr[] { x }, ctx.MkGt(x, ctx.MkInt(0))).IsConst);

            Console.WriteLine(ctx.MkForall(new Expr[] { x }, ctx.MkGt(x, ctx.MkInt(0))).Body.Args[0]);
            Console.WriteLine(ctx.MkForall(new Expr[] { x }, ctx.MkGt(x, ctx.MkInt(0))).Body.Args[0].IsExpr);
            Console.WriteLine(ctx.MkForall(new Expr[] { x }, ctx.MkGt(x, ctx.MkInt(0))).Body.Args[0].IsConst);
            Console.WriteLine(ctx.MkForall(new Expr[] { x }, ctx.MkGt(x, ctx.MkInt(0))).Body.Args[0].IsVar);
            Console.WriteLine(x.IsVar);
            Console.WriteLine(ctx.MkITE(ctx.MkTrue(), x, ctx.MkAdd(x, ctx.MkInt(1))));

            Context ctx1 = new Context();
            Console.WriteLine(ctx1.MkITE(ctx1.MkTrue(), x.Translate(ctx1), ctx.MkAdd(x, ctx.MkInt(1)).Translate(ctx1)));
            Console.WriteLine(ctx.MkITE(ctx.MkTrue(), ctx.MkInt(1), ctx.MkInt(1)));

            Console.WriteLine(ctx.MkDistinct(x, ctx.MkAdd(x, ctx.MkInt(1)), ctx.MkAdd(x, ctx.MkInt(2))));

            Console.WriteLine(ctx1.MkAnd(ctx1.MkDistinct(x.Translate(ctx1), ctx1.MkInt(1)),
                                         ctx1.MkGt((IntExpr)x.Translate(ctx1), ctx1.MkInt(0))));

        }
    }
Exemple #23
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");

            Console.WriteLine(ctx.MkAdd(x, ctx.MkInt(1)).GetHashCode() == ctx.MkAdd(ctx.MkInt(1), x).GetHashCode());
            Console.WriteLine(x.Sort.GetHashCode() == ctx.IntSort.GetHashCode());
        }
    }
Exemple #24
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    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));
        }
    }
Exemple #25
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" },
            { "PROOF_MODE", "2" } };

        using (Context ctx = new Context(cfg))
        {
            ArrayExpr AllOne = ctx.MkConstArray(ctx.IntSort, ctx.MkInt(1));

            IntExpr a = ctx.MkIntConst("a");
            IntExpr i = ctx.MkIntConst("i");

            Solver s = ctx.MkSolver();
            s.Assert(ctx.MkEq(a, ctx.MkSelect(AllOne, i)));
            Console.WriteLine(s.Check());

            s = ctx.MkSolver();
            s.Assert(ctx.MkEq(a, ctx.MkSelect(AllOne, i)));
            s.Assert(ctx.MkNot(ctx.MkEq(a, ctx.MkInt(1))));
            Console.WriteLine(s.Check());
        }
    }
Exemple #26
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            RealExpr y = ctx.MkRealConst("y");
            Console.WriteLine((ctx.MkAdd(x, ctx.MkInt(1))).Sort);
            Console.WriteLine((ctx.MkAdd(y, ctx.MkReal(1))).Sort);
            Console.WriteLine((ctx.MkGe(x, ctx.MkInt(2))).Sort);
        }
    }
Exemple #27
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            FuncDecl f = ctx.MkFuncDecl("f", new Sort[] { ctx.IntSort, ctx.IntSort }, ctx.IntSort);
            FuncDecl g = ctx.MkFuncDecl("g", new Sort[] { ctx.IntSort }, ctx.IntSort);
            Expr n = f[f[g[x], g[g[x]]], g[g[y]]];

            Console.WriteLine(n);

            Expr nn = n.Substitute(new Expr[] { g[g[x]], g[y] },
                                   new Expr[] { y, ctx.MkAdd(x, ctx.MkInt(1)) } );

            Console.WriteLine(nn);

            Console.WriteLine(n.Substitute(g[g[x]], y));
        }
    }
Exemple #28
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            FuncDecl f = ctx.MkFuncDecl("f", new Sort[] { ctx.IntSort, ctx.IntSort }, ctx.IntSort);
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Console.WriteLine(ctx.MkForall(new Expr[] { x, y }, ctx.MkEq(f[x, y], ctx.MkInt(0))));
            Console.WriteLine(ctx.MkExists(new Expr[] { x }, ctx.MkGe((ArithExpr)f[x, x], ctx.MkInt(0))));

            IntExpr a = ctx.MkIntConst("a");
            IntExpr b = ctx.MkIntConst("b");

            Solver s = ctx.MkSolver();
            s.Assert(ctx.MkForall(new Expr[] { x }, ctx.MkEq(f[x, x], ctx.MkInt(0))));
            s.Assert(ctx.MkEq(f[a, b], ctx.MkInt(1)));
            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);
        }
    }
Exemple #29
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            IntExpr x = ctx.MkIntConst("x");
            IntExpr y = ctx.MkIntConst("y");

            Console.WriteLine(ctx.MkAdd(x, y) == ctx.MkAdd(x, y));
            Console.WriteLine(ctx.MkAdd(x, y) == ctx.MkAdd(y, x));

            ArithExpr n = ctx.MkAdd(x, y);

            Console.WriteLine(n == ctx.MkAdd(x, y));

            IntExpr x2 = ctx.MkIntConst("x");

            Console.WriteLine(x == x2);

            Console.WriteLine(ctx.MkIntConst("x") == ctx.MkRealConst("x"));
        }
    }
Exemple #30
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    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            Expr x = ctx.MkConst("x", ctx.IntSort);

            Console.WriteLine(x == ctx.MkIntConst("x"));

            BoolExpr a = (BoolExpr)ctx.MkConst("a", ctx.BoolSort);
            BoolExpr b = (BoolExpr)ctx.MkConst("b", ctx.BoolSort);
            Console.WriteLine(ctx.MkAnd(a, b));
        }
    }
Exemple #31
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 public static void intSymbolic(BigInteger i, out IntExpr e)
 {
     e = new IntExpr(ctx.MkIntConst("reg" + i.ToString()));
 }