Ejemplo n.º 1
0
        public void TestWS1S_GetAutomatonBDD_eq_GetAutomaton()
        {
            var solver        = new CharSetSolver(BitWidth.BV7);
            var nrOfLabelBits = (int)BitWidth.BV7;
            var isDigit       = solver.MkCharSetFromRegexCharClass(@"\d");
            var isLetter      = solver.MkCharSetFromRegexCharClass(@"(c|C)");
            var x             = new Variable("x", false);
            var y             = new Variable("y", false);
            var z             = new Variable("z", false);
            var X             = new Variable("X", false);
            //there are at least two distinct positions x and y
            var xy = (new WS1SNot <BDD>(new WS1SEq <BDD>(x, y)) & new WS1SSingleton <BDD>(x) & new WS1SSingleton <BDD>(y));
            //there is a set X containing x and y and all positions z in X have characters that satisfy isWordLetter
            var x_sub_X    = new WS1SSubset <BDD>(x, X);
            var y_sub_X    = new WS1SSubset <BDD>(y, X);
            var z_sub_X    = new WS1SSubset <BDD>(z, X);
            var isletter_z = new WS1SPred <BDD>(isLetter, z);
            var psi        = new WS1SExists <BDD>(X, (x_sub_X & y_sub_X & ~(new WS1SExists <BDD>(z, ~(~(new WS1SSingleton <BDD>(z) & z_sub_X) | isletter_z)))));

            var atLeast2w   = xy & psi;
            var atLeast2wEE = new WS1SExists <BDD>(x, (new WS1SExists <BDD>(y, atLeast2w)));
            var autBDD      = atLeast2w.GetAutomatonBDD(solver, nrOfLabelBits, x, y);
            var ca          = new CartesianAlgebraBDD <BDD>(solver);
            var autPROD     = atLeast2w.GetAutomaton(ca, x, y);
            //autBDD.ShowGraph("autBDD");
            //autPROD.ShowGraph("autPROD");
            var aut_atLeast2wEE1 = BasicAutomata.Restrict(atLeast2wEE.GetAutomaton(ca));
            var aut_atLeast2wEE2 = atLeast2wEE.GetAutomatonBDD(solver, nrOfLabelBits);

            //aut_atLeast2wEE1.ShowGraph("aut_atLeast2wEE1");
            //aut_atLeast2wEE2.ShowGraph("aut_atLeast2wEE2");
            Assert.IsTrue(aut_atLeast2wEE1.IsEquivalentWith(aut_atLeast2wEE2, solver));
        }
Ejemplo n.º 2
0
 public void TestWS1S_Label()
 {
     var solver  = new CharSetSolver(BitWidth.BV7);
     var x       = new Variable("X", false);
     var pred    = new WS1SPred <BDD>(solver.MkCharConstraint('c'), x);
     var ca      = new CartesianAlgebraBDD <BDD>(solver);
     var lab     = pred & new WS1SSingleton <BDD>(x);
     var lab_aut = lab.GetAutomaton(ca, x);
     //lab_aut.ShowGraph("lab_aut");
 }
Ejemplo n.º 3
0
 public void TestWS1S_NotLabel()
 {
     var solver = new CharSetSolver(BitWidth.BV7);
     //var x1 = new Variable("x1", false);
     var x    = new Variable("x", false);
     var pred = new WS1SPred <BDD>(solver.MkCharConstraint('c'), x);
     var fo_x = new WS1SSingleton <BDD>(x);
     var ca   = new CartesianAlgebraBDD <BDD>(solver);
     var lab  = new WS1SAnd <BDD>(pred, fo_x);
     WS1SFormula <BDD> not_lab = new WS1SNot <BDD>(lab);
     var not_lab_actual        = new WS1SAnd <BDD>(not_lab, fo_x);
     var aut_not_lab           = not_lab_actual.GetAutomaton(ca, x);
     var aut_not_lab_prelim    = not_lab.GetAutomaton(ca, x);
     var c_aut_lab             = lab.GetAutomaton(ca, x).Complement(ca).Minimize(ca);
     //c_aut_lab.ShowGraph("c_aut_lab");
     //aut_not_lab.ShowGraph("aut_not_lab");
     //aut_not_lab_prelim.ShowGraph("aut_not_lab_prelim");
     //TBD: equivalence
 }
Ejemplo n.º 4
0
        public static void MintermTest()
        {
            var sw = new Stopwatch();

            using (System.IO.StreamWriter file =
                       new System.IO.StreamWriter(@"..\msomintermp1s1.txt"))
            {
                for (int size = 2; size < kminterm; size++)
                {
                    // Tsolve no force
                    var s1     = new CharSetSolver(BitWidth.BV64);
                    var solver = new CartesianAlgebraBDD <BDD>(s1);

                    WS1SFormula <BDD> phi = new WS1STrue <BDD>();

                    for (int k = 1; k < size; k++)
                    {
                        var leq = new WS1SLt <BDD>(new Variable <BDD>("x" + (k - 1)), new Variable <BDD>("x" + k));
                        phi = new WS1SAnd <BDD>(phi, leq);
                    }
                    for (int k = 0; k < size; k++)
                    {
                        var axk = new WS1SPred <BDD>(s1.MkBitTrue(k), new Variable <BDD>("x" + k));
                        phi = new WS1SAnd <BDD>(phi, axk);
                    }
                    for (int k = size - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists <BDD>(new Variable <BDD>("x" + k), phi);
                    }

                    sw.Restart();
                    for (int t = 0; t < numTests; t++)
                    {
                        phi.GetAutomaton(solver);
                    }
                    sw.Stop();

                    var t1 = sw.ElapsedMilliseconds;

                    file.WriteLine((double)t1 / numTests);
                    Console.WriteLine((double)t1 / numTests);
                }
            }
            using (System.IO.StreamWriter file =
                       new System.IO.StreamWriter(@"..\msomintermp2s1.txt"))
            {
                for (int size = 2; size < kminterm; size++)
                {
                    // Tsolve force
                    var s1     = new CharSetSolver(BitWidth.BV64);
                    var solver = new CartesianAlgebraBDD <BDD>(s1);

                    WS1SFormula <BDD> phi = new WS1STrue <BDD>();

                    for (int k = 0; k < size; k++)
                    {
                        var axk = new WS1SPred <BDD>(s1.MkBitTrue(k), new Variable <BDD>("x" + k));
                        phi = new WS1SAnd <BDD>(phi, axk);
                    }
                    for (int k = size - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists <BDD>(new Variable <BDD>("x" + k), phi);
                    }

                    var t1 = 60000L;
                    if (size <= maxmint)
                    {
                        sw.Restart();
                        for (int t = 0; t < numTests; t++)
                        {
                            phi.GetAutomaton(solver);
                        }
                        sw.Stop();

                        t1 = sw.ElapsedMilliseconds;
                    }
                    file.WriteLine((double)t1 / numTests);
                    Console.WriteLine((double)t1 / numTests);
                }
            }
            using (System.IO.StreamWriter file =
                       new System.IO.StreamWriter(@"..\msomintermp1s2.txt"))
            {
                for (int size = 2; size < kminterm; size++)
                {
                    // Tsolve solver 2
                    var solver = new CharSetSolver(BitWidth.BV64);
                    var alg    = new BDDAlgebra <BDD>(solver);

                    WS1SFormula <BDD> phi = new WS1STrue <BDD>();

                    for (int k = 1; k < size; k++)
                    {
                        var leq = new WS1SLt <BDD>(new Variable <BDD>("x" + (k - 1)), new Variable <BDD>("x" + k));
                        phi = new WS1SAnd <BDD>(phi, leq);
                    }
                    for (int k = 0; k < size; k++)
                    {
                        var axk = new WS1SPred <BDD>(solver.MkBitTrue(k), new Variable <BDD>("x" + k));
                        phi = new WS1SAnd <BDD>(phi, axk);
                    }
                    for (int k = size - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists <BDD>(new Variable <BDD>("x" + k), phi);
                    }

                    var t1 = 60000L;


                    sw.Restart();
                    for (int t = 0; t < numTests; t++)
                    {
                        phi.GetAutomaton(alg);
                    }
                    sw.Stop();

                    t1 = sw.ElapsedMilliseconds;

                    file.WriteLine((double)t1 / numTests);
                    Console.WriteLine((double)t1 / numTests);
                }
            }
            using (System.IO.StreamWriter file =
                       new System.IO.StreamWriter(@"..\msomintermp2s2.txt"))
            {
                for (int size = 2; size < kminterm; size++)
                {
                    var solver = new CharSetSolver(BitWidth.BV64);
                    var alg    = new BDDAlgebra <BDD>(solver);
                    //Tforce sol 2


                    WS1SFormula <BDD> phi = new WS1STrue <BDD>();

                    for (int k = 0; k < size; k++)
                    {
                        var axk = new WS1SPred <BDD>(solver.MkBitTrue(k), new Variable <BDD>("x" + k));
                        phi = new WS1SAnd <BDD>(phi, axk);
                    }
                    for (int k = size - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists <BDD>(new Variable <BDD>("x" + k), phi);
                    }

                    var t1 = 60000L;
                    if (size <= maxmint)
                    {
                        sw.Restart();
                        for (int t = 0; t < numTests; t++)
                        {
                            phi.GetAutomaton(alg);
                        }
                        sw.Stop();
                        t1 = sw.ElapsedMilliseconds;
                    }
                    file.WriteLine((double)t1 / numTests);
                    Console.WriteLine((double)t1 / numTests);
                }
            }
            using (System.IO.StreamWriter file =
                       new System.IO.StreamWriter(@"..\msominterm.txt"))
            {
                for (int size = 2; size < kminterm; size++)
                {
                    //Tminterm
                    var   solver     = new CharSetSolver(BitWidth.BV64);
                    BDD[] predicates = new BDD[size];
                    solver.GenerateMinterms();
                    for (int k = 0; k < size; k++)
                    {
                        predicates[k] = solver.MkBitTrue(k);
                    }

                    var t1 = 60000L * numTests;
                    if (size <= maxmint)
                    {
                        sw.Restart();
                        for (int t = 0; t < numTests; t++)
                        {
                            var mint = solver.GenerateMinterms(predicates).ToList();
                        }
                        sw.Stop();
                        t1 = sw.ElapsedMilliseconds;
                    }

                    file.WriteLine((double)t1 / numTests);
                    Console.WriteLine((double)t1 / numTests);
                }
            }
        }
Ejemplo n.º 5
0
        //public static void POPLTestsInt()
        //{

        //    var sw = new Stopwatch();

        //    using (System.IO.StreamWriter file =
        //    new System.IO.StreamWriter(@"..\mso-int.txt"))
        //    {
        //        for (int to = 2; to < kpopl; to++)
        //        {
        //            // T1
        //            var ctx = new Context();
        //            var sort = ctx.IntSort;
        //            var solver = new BooleanAlgebraZ3(ctx, sort);
        //            var alg = new BDDAlgebra<BoolExpr>(solver);
        //            var pred = new MSOPredicate<BoolExpr>(ctx.MkEq(solver.x, ctx.MkNumeral(42, sort)), "x");


        //            WS1SFormula<BoolExpr> phi = new WS1STrue<BoolExpr>();

        //            for (int k = 1; k < to; k++)
        //            {
        //                var leq = new WS1SLt<BoolExpr>(new Variable<BDD>("x" + (k - 1)), new Variable<BDD>("x" + k));
        //                phi = new WS1SAnd<BoolExpr>(phi, leq);

        //            }
        //            for (int k = to - 1; k >= 0; k--)
        //            {
        //                phi = new WS1SExists<BoolExpr>(new Variable<BDD>("x" + k), phi);
        //            }

        //            sw.Restart();
        //            for (int t = 0; t < numTests; t++)
        //            {
        //                phi.GetAutomaton(solver);
        //            }
        //            sw.Stop();

        //            var t1 = sw.ElapsedMilliseconds;

        //            //T2
        //            ctx = new Context();
        //            sort = ctx.IntSort;
        //            solver = new BooleanAlgebraZ3(ctx, sort);
        //            alg = new BDDAlgebra<BoolExpr>(solver);
        //            pred = new MSOPredicate<BoolExpr>(ctx.MkEq(solver.x, ctx.MkNumeral(42, sort)), "x");

        //            phi = new WS1STrue<BoolExpr>();

        //            for (int k = 1; k < to; k++)
        //            {
        //                var leq = new WS1SLt<BoolExpr>(new Variable<BDD>("x" + (k - 1)), new Variable<BDD>("x" + k));
        //                phi = new WS1SAnd<BoolExpr>(phi, leq);

        //            }
        //            for (int k = 0; k < to; k++)
        //            {
        //                var axk = new WS1SPred<BoolExpr>(
        //                     ctx.MkLe((IntExpr)solver.x, (IntExpr)ctx.MkNumeral(42+k, sort)),
        //                     "x" + k);
        //                phi = new WS1SAnd<BoolExpr>(phi, axk);

        //            }
        //            for (int k = to - 1; k >= 0; k--)
        //            {
        //                phi = new WS1SExists<BoolExpr>(new Variable<BDD>("x" + k), phi);
        //            }

        //            sw.Restart();
        //            for (int t = 0; t < numTests; t++)
        //            {
        //                phi.GetAutomaton(solver);
        //            }
        //            sw.Stop();

        //            var t2 = sw.ElapsedMilliseconds;

        //            // T3
        //            ctx = new Context();
        //            sort = ctx.IntSort;
        //            solver = new BooleanAlgebraZ3(ctx, sort);
        //            alg = new BDDAlgebra<BoolExpr>(solver);
        //            pred = new MSOPredicate<BoolExpr>(ctx.MkEq(solver.x, ctx.MkNumeral(42, sort)), "x");

        //            phi = new WS1STrue<BoolExpr>();

        //            for (int k = 1; k < to; k++)
        //            {
        //                var leq = new WS1SLt<BoolExpr>(new Variable<BDD>("x" + (k - 1)), new Variable<BDD>("x" + k));
        //                phi = new WS1SAnd<BoolExpr>(phi, leq);

        //            }
        //            for (int k = 0; k < to; k++)
        //            {
        //                var axk = new WS1SPred<BoolExpr>(ctx.MkLe((IntExpr)solver.x, (IntExpr)ctx.MkNumeral(42+k, sort)), new Variable<BDD>("x" + k));
        //                phi = new WS1SAnd<BoolExpr>(phi, axk);

        //            }
        //            for (int k = to - 1; k >= 0; k--)
        //            {
        //                phi = new WS1SExists<BoolExpr>(new Variable<BDD>("x" + k), phi);
        //            }

        //            var exycy = new WS1SExists<BoolExpr>(new Variable<BDD>("y"), new WS1SPred<BoolExpr>(
        //                ctx.MkLe((IntExpr)solver.x, (IntExpr)ctx.MkNumeral(1000, sort)), new Variable<BDD>("y")));
        //            phi = new WS1SAnd<BoolExpr>(phi, exycy);

        //            sw.Restart();
        //            for (int t = 0; t < numTests; t++)
        //            {
        //                phi.GetAutomaton(solver);
        //            }
        //            sw.Stop();

        //            var t3 = sw.ElapsedMilliseconds;

        //            //T4
        //            ctx = new Context();
        //            sort = ctx.IntSort;
        //            solver = new BooleanAlgebraZ3(ctx, sort);
        //            alg = new BDDAlgebra<BoolExpr>(solver);
        //            pred = new MSOPredicate<BoolExpr>(ctx.MkEq(solver.x, ctx.MkNumeral(42, sort)), "x");

        //            phi = new WS1STrue<BoolExpr>();

        //            for (int k = 1; k < to; k++)
        //            {
        //                var leq = new WS1SLt<BoolExpr>(new Variable<BDD>("x" + (k - 1)), new Variable<BDD>("x" + k));
        //                var axk = new WS1SPred<BoolExpr>(ctx.MkLe((IntExpr)solver.x, (IntExpr)ctx.MkNumeral(42+k, sort)), new Variable<BDD>("x" + (k - 1)));
        //                var cxk = new WS1SPred<BoolExpr>(ctx.MkLe((IntExpr)solver.x, (IntExpr)ctx.MkNumeral(1000, sort)), new Variable<BDD>("x" + (k - 1)));
        //                var inter = new WS1SOr<BoolExpr>(new WS1SAnd<BoolExpr>(leq, axk), cxk);
        //                phi = new WS1SAnd<BoolExpr>(phi, inter);

        //            }
        //            for (int k = to - 1; k >= 0; k--)
        //            {
        //                phi = new WS1SExists<BoolExpr>(new Variable<BDD>("x" + k), phi);
        //            }

        //            exycy = new WS1SExists<BoolExpr>(new Variable<BDD>("y"), new WS1SPred<BoolExpr>(
        //                ctx.MkLe((IntExpr)solver.x, (IntExpr)ctx.MkNumeral(1000, sort)),
        //                "y"));
        //            phi = new WS1SAnd<BoolExpr>(phi, exycy);

        //            var t4 = 60000L * numTests;
        //            if (to <= maxmphipop)
        //            {
        //                sw.Restart();
        //                for (int t = 0; t < numTests; t++)
        //                {
        //                    phi.GetAutomaton(solver);
        //                }
        //                sw.Stop();
        //                t4 = sw.ElapsedMilliseconds;
        //            }

        //            file.WriteLine(to + "," + (double)t1 / numTests + "," + (double)t2 / numTests + "," + (double)t3 / numTests + "," + (double)t4 / numTests);
        //            Console.WriteLine(to + "," + (double)t1 / numTests + "," + (double)t2 / numTests + "," + (double)t3 / numTests + "," + (double)t4 / numTests);

        //        }
        //    }
        //}

        public static void POPLTestsOld()
        {
            var sw = new Stopwatch();

            using (System.IO.StreamWriter file =
                       new System.IO.StreamWriter(@"..\msobddold.txt"))
            {
                for (int to = 2; to < kpopl; to++)
                {
                    // T1
                    var         s1  = new CharSetSolver(BitWidth.BV64);
                    WS1SFormula phi = new WS1STrue();

                    for (int k = 1; k < to; k++)
                    {
                        var leq = new WS1SLt("x" + (k - 1), "x" + k);
                        phi = new WS1SAnd(phi, leq);
                    }
                    for (int k = to - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists("x" + k, phi);
                    }

                    sw.Restart();
                    for (int t = 0; t < numTests; t++)
                    {
                        phi.getAutomaton(s1);
                    }
                    sw.Stop();

                    var t1 = sw.ElapsedMilliseconds;

                    //T2
                    s1  = new CharSetSolver(BitWidth.BV64);
                    phi = new WS1STrue();

                    for (int k = 1; k < to; k++)
                    {
                        var leq = new WS1SLt("x" + (k - 1), ("x" + k));
                        phi = new WS1SAnd(phi, leq);
                    }
                    for (int k = 0; k < to; k++)
                    {
                        var axk = new WS1SPred(s1.MkCharConstraint('a', false), "x" + k);
                        phi = new WS1SAnd(phi, axk);
                    }
                    for (int k = to - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists("x" + k, phi);
                    }

                    sw.Restart();
                    for (int t = 0; t < numTests; t++)
                    {
                        phi.getAutomaton(s1);
                    }
                    sw.Stop();

                    var t2 = sw.ElapsedMilliseconds;

                    // T3
                    s1  = new CharSetSolver(BitWidth.BV64);
                    phi = new WS1STrue();

                    for (int k = 1; k < to; k++)
                    {
                        var leq = new WS1SLt("x" + (k - 1), ("x" + k));
                        phi = new WS1SAnd(phi, leq);
                    }
                    for (int k = 0; k < to; k++)
                    {
                        var axk = new WS1SPred(s1.MkCharConstraint('a', false), ("x" + k));
                        phi = new WS1SAnd(phi, axk);
                    }
                    for (int k = to - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists(("x" + k), phi);
                    }

                    var exycy = new WS1SExists(("y"), new WS1SPred(s1.MkCharConstraint('c', false), ("y")));
                    phi = new WS1SAnd(phi, exycy);

                    sw.Restart();
                    for (int t = 0; t < numTests; t++)
                    {
                        phi.getAutomaton(s1);
                    }
                    sw.Stop();

                    var t3 = sw.ElapsedMilliseconds;

                    //T4
                    s1  = new CharSetSolver(BitWidth.BV64);
                    phi = new WS1STrue();

                    for (int k = 1; k < to; k++)
                    {
                        var leq   = new WS1SLt(("x" + (k - 1)), ("x" + k));
                        var axk   = new WS1SPred(s1.MkCharConstraint('a', false), ("x" + (k - 1)));
                        var cxk   = new WS1SPred(s1.MkCharConstraint('c', false), ("x" + (k - 1)));
                        var inter = new WS1SOr(new WS1SAnd(leq, axk), cxk);
                        phi = new WS1SAnd(phi, inter);
                    }
                    for (int k = to - 1; k >= 0; k--)
                    {
                        phi = new WS1SExists(("x" + k), phi);
                    }

                    exycy = new WS1SExists(("y"), new WS1SPred(s1.MkCharConstraint('c', false), ("y")));
                    phi   = new WS1SAnd(phi, exycy);

                    var t4 = 60000L * numTests;
                    if (to <= maxmphipopold)
                    {
                        sw.Restart();
                        for (int t = 0; t < numTests; t++)
                        {
                            phi.getAutomaton(s1);
                        }
                        sw.Stop();
                        t4 = sw.ElapsedMilliseconds;
                    }

                    file.WriteLine(to + "," + (double)t1 / numTests + "," + (double)t2 / numTests + "," + (double)t3 / numTests + "," + (double)t4 / numTests);
                    Console.WriteLine(to + "," + (double)t1 / numTests + "," + (double)t2 / numTests + "," + (double)t3 / numTests + "," + (double)t4 / numTests);
                }
            }
        }