예제 #1
0
  /** Usage: java BlockedNQueens <file name> */
  public static void main(String[] args) {

    if (args.length < 1) usage();

    try {

      final BlockedNQueens model = new BlockedNQueens(args[0]);

      final Formula f = model.rules();
      final Bounds b = model.bounds();
      final Solver s = new Solver();
      //			System.out.println(b);
      System.out.println(PrettyPrinter.print(f, 1));

      s.options().setSolver(SATFactory.MiniSat);
      s.options().setBitwidth(33 - Integer.numberOfLeadingZeros((b.universe().size() / 2) - 1));
      s.options().setFlatten(false);
      s.options().setReporter(new ConsoleReporter());

      final Solution sol = s.solve(f, b);

      if (sol.instance() != null) {
        System.out.println("solution:");
        model.print(sol.instance(), s.options());
      } else {
        System.out.println("no solution");
      }
      System.out.println(sol.stats());

    } catch (NumberFormatException nfe) {
      usage();
    }
  }
예제 #2
0
  public static void main(String[] args) throws Exception {

    Relation x0 = Relation.unary("Int/min");
    Relation x1 = Relation.unary("Int/zero");
    Relation x2 = Relation.unary("Int/max");
    Relation x3 = Relation.nary("Int/next", 2);
    Relation x4 = Relation.unary("seq/Int");
    Relation x5 = Relation.unary("String");
    Relation x6 = Relation.unary("this/A");
    Relation x7 = Relation.unary("this/Relation");
    Relation x8 = Relation.nary("this/Relation.r", 4);

    List<String> atomlist =
        Arrays.asList(
            "-1",
            "-2",
            "-3",
            "-4",
            "-5",
            "-6",
            "-7",
            "-8",
            "0",
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "A$0",
            "A$1",
            "A$2",
            "Relation$0",
            "unused0",
            "unused1");

    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);

    TupleSet x0_upper = factory.noneOf(1);
    x0_upper.add(factory.tuple("-8"));
    bounds.boundExactly(x0, x0_upper);

    TupleSet x1_upper = factory.noneOf(1);
    x1_upper.add(factory.tuple("0"));
    bounds.boundExactly(x1, x1_upper);

    TupleSet x2_upper = factory.noneOf(1);
    x2_upper.add(factory.tuple("7"));
    bounds.boundExactly(x2, x2_upper);

    TupleSet x3_upper = factory.noneOf(2);
    x3_upper.add(factory.tuple("-8").product(factory.tuple("-7")));
    x3_upper.add(factory.tuple("-7").product(factory.tuple("-6")));
    x3_upper.add(factory.tuple("-6").product(factory.tuple("-5")));
    x3_upper.add(factory.tuple("-5").product(factory.tuple("-4")));
    x3_upper.add(factory.tuple("-4").product(factory.tuple("-3")));
    x3_upper.add(factory.tuple("-3").product(factory.tuple("-2")));
    x3_upper.add(factory.tuple("-2").product(factory.tuple("-1")));
    x3_upper.add(factory.tuple("-1").product(factory.tuple("0")));
    x3_upper.add(factory.tuple("0").product(factory.tuple("1")));
    x3_upper.add(factory.tuple("1").product(factory.tuple("2")));
    x3_upper.add(factory.tuple("2").product(factory.tuple("3")));
    x3_upper.add(factory.tuple("3").product(factory.tuple("4")));
    x3_upper.add(factory.tuple("4").product(factory.tuple("5")));
    x3_upper.add(factory.tuple("5").product(factory.tuple("6")));
    x3_upper.add(factory.tuple("6").product(factory.tuple("7")));
    bounds.boundExactly(x3, x3_upper);

    TupleSet x4_upper = factory.noneOf(1);
    x4_upper.add(factory.tuple("0"));
    x4_upper.add(factory.tuple("1"));
    x4_upper.add(factory.tuple("2"));
    bounds.boundExactly(x4, x4_upper);

    TupleSet x5_upper = factory.noneOf(1);
    bounds.boundExactly(x5, x5_upper);

    TupleSet x6_upper = factory.noneOf(1);
    x6_upper.add(factory.tuple("A$0"));
    x6_upper.add(factory.tuple("A$1"));
    x6_upper.add(factory.tuple("A$2"));
    bounds.boundExactly(x6, x6_upper);

    TupleSet x7_upper = factory.noneOf(1);
    x7_upper.add(factory.tuple("unused0"));
    x7_upper.add(factory.tuple("unused1"));
    x7_upper.add(factory.tuple("Relation$0"));
    bounds.bound(x7, x7_upper);

    TupleSet x8_upper = factory.noneOf(4);
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("unused1")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1"))
            .product(factory.tuple("A$2")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$0")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$1")));
    x8_upper.add(
        factory
            .tuple("Relation$0")
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2"))
            .product(factory.tuple("A$2")));
    bounds.bound(x8, x8_upper);

    bounds.boundExactly(-8, factory.range(factory.tuple("-8"), factory.tuple("-8")));
    bounds.boundExactly(-7, factory.range(factory.tuple("-7"), factory.tuple("-7")));
    bounds.boundExactly(-6, factory.range(factory.tuple("-6"), factory.tuple("-6")));
    bounds.boundExactly(-5, factory.range(factory.tuple("-5"), factory.tuple("-5")));
    bounds.boundExactly(-4, factory.range(factory.tuple("-4"), factory.tuple("-4")));
    bounds.boundExactly(-3, factory.range(factory.tuple("-3"), factory.tuple("-3")));
    bounds.boundExactly(-2, factory.range(factory.tuple("-2"), factory.tuple("-2")));
    bounds.boundExactly(-1, factory.range(factory.tuple("-1"), factory.tuple("-1")));
    bounds.boundExactly(0, factory.range(factory.tuple("0"), factory.tuple("0")));
    bounds.boundExactly(1, factory.range(factory.tuple("1"), factory.tuple("1")));
    bounds.boundExactly(2, factory.range(factory.tuple("2"), factory.tuple("2")));
    bounds.boundExactly(3, factory.range(factory.tuple("3"), factory.tuple("3")));
    bounds.boundExactly(4, factory.range(factory.tuple("4"), factory.tuple("4")));
    bounds.boundExactly(5, factory.range(factory.tuple("5"), factory.tuple("5")));
    bounds.boundExactly(6, factory.range(factory.tuple("6"), factory.tuple("6")));
    bounds.boundExactly(7, factory.range(factory.tuple("7"), factory.tuple("7")));

    Variable x12 = Variable.unary("this");
    Decls x11 = x12.oneOf(x7);
    Expression x16 = x12.join(x8);
    Expression x18 = x6.product(x6);
    Expression x17 = x6.product(x18);
    Formula x15 = x16.in(x17);
    Variable x21 = Variable.unary("x21");
    Decls x20 = x21.oneOf(x6);
    Expression x25 = x21.join(x16);
    Expression x26 = x6.product(x6);
    Formula x24 = x25.in(x26);
    Variable x29 = Variable.unary("x29");
    Decls x28 = x29.oneOf(x6);
    Expression x32 = x29.join(x25);
    Formula x31 = x32.one();
    Formula x33 = x32.in(x6);
    Formula x30 = x31.and(x33);
    Formula x27 = x30.forAll(x28);
    Formula x23 = x24.and(x27);
    Variable x36 = Variable.unary("x36");
    Decls x35 = x36.oneOf(x6);
    Expression x38 = x25.join(x36);
    Formula x37 = x38.in(x6);
    Formula x34 = x37.forAll(x35);
    Formula x22 = x23.and(x34);
    Formula x19 = x22.forAll(x20);
    Formula x14 = x15.and(x19);
    Variable x42 = Variable.unary("x42");
    Decls x41 = x42.oneOf(Expression.UNIV);
    Variable x45 = Variable.unary("x45");
    Decls x44 = x45.oneOf(Expression.UNIV);
    Decls x40 = x41.and(x44);
    Expression x50 = x42.product(x45);
    Expression x51 = x6.product(x6);
    Formula x49 = x50.in(x51);
    Variable x54 = Variable.unary("x54");
    Decls x53 = x54.oneOf(x6);
    Expression x57 = x54.join(x50);
    Formula x56 = x57.one();
    Formula x58 = x57.in(x6);
    Formula x55 = x56.and(x58);
    Formula x52 = x55.forAll(x53);
    Formula x48 = x49.and(x52);
    Variable x61 = Variable.unary("x61");
    Decls x60 = x61.oneOf(x6);
    Expression x63 = x50.join(x61);
    Formula x62 = x63.in(x6);
    Formula x59 = x62.forAll(x60);
    Formula x47 = x48.and(x59);
    Expression x66 = x16.join(x45);
    Expression x65 = x66.join(x42);
    Formula x64 = x65.in(x6);
    Formula x46 = x47.implies(x64);
    Formula x39 = x46.forAll(x40);
    Formula x13 = x14.and(x39);
    Formula x10 = x13.forAll(x11);
    Expression x70 = x8.join(Expression.UNIV);
    Expression x69 = x70.join(Expression.UNIV);
    Expression x68 = x69.join(Expression.UNIV);
    Formula x67 = x68.in(x7);
    Formula x71 = x0.eq(x0);
    Formula x72 = x1.eq(x1);
    Formula x73 = x2.eq(x2);
    Formula x74 = x3.eq(x3);
    Formula x75 = x4.eq(x4);
    Formula x76 = x5.eq(x5);
    Formula x77 = x6.eq(x6);
    Formula x78 = x7.eq(x7);
    Formula x79 = x8.eq(x8);
    Formula x9 =
        Formula.compose(FormulaOperator.AND, x10, x67, x71, x72, x73, x74, x75, x76, x77, x78, x79);

    Solver solver = new Solver();
    solver.options().setSolver(SATFactory.DefaultSAT4J);
    solver.options().setBitwidth(4);
    solver.options().setFlatten(false);
    solver.options().setIntEncoding(Options.IntEncoding.TWOSCOMPLEMENT);
    solver.options().setSymmetryBreaking(20);
    solver.options().setSkolemDepth(0);

    System.out.println(PrettyPrinter.print(x9, 0));
    System.out.println(bounds);

    System.out.println("Solving...");
    System.out.flush();
    Solution sol = solver.solve(x9, bounds);
    System.out.println(sol.toString());

    Instance inst = sol.instance();
    Evaluator ev = new Evaluator(inst);

    System.out.println("Universe: " + ev.evaluate(Expression.UNIV));
    Formula xx = x46.forAll(x40).forAll(x11);
    System.out.println(PrettyPrinter.print(xx, 2));
    System.out.println(ev.evaluate(xx));

    System.out.println(PrettyPrinter.print(x46, 4));

    //        Variable r = Variable.unary("this");
    //        Variable u1 = Variable.unary("u1");
    //        Variable u2 = Variable.unary("u2");
    //
    //        Formula ff =
    // u1.product(u2).in(x6.product(x6)).forAll(u1.oneOf(Expression.UNIV).and(u2.oneOf(Expression.UNIV))).forAll(r.oneOf(x7));
    //        System.out.println(PrettyPrinter.print(ff, 0));
    //        System.out.println(ev.evaluate(ff));

  }
예제 #3
0
  /**
   * Returns the bounds for relational encoding of the problem based on the input file.
   *
   * @return the bounds for relational encoding of the problem based on the input file.
   */
  public Bounds bounds() {
    try {
      final BufferedReader reader = new BufferedReader(new FileReader(new File(file)));

      final Pattern np = Pattern.compile("num\\((\\d+)\\)\\.");
      final Pattern bp = Pattern.compile("block\\((\\d+),\\s*(\\d+)\\)\\.");

      String line = "";
      final Matcher m = np.matcher(line);

      int n = 0;
      for (line = reader.readLine();
          line != null && m.reset(line).matches();
          line = reader.readLine()) {
        n++;
        if (Integer.parseInt(m.group(1)) != n) throw new IOException();
      }

      if (n == 0) throw new IOException();

      final List<Object> atoms = new ArrayList<Object>(n * 2);
      for (int i = 0; i < n; i++) {
        atoms.add("Q" + i);
      }

      for (int i = 0; i < n; i++) {
        atoms.add(Integer.valueOf(i));
      }

      final Universe u = new Universe(atoms);
      final Bounds b = new Bounds(u);
      final TupleFactory f = u.factory();

      final TupleSet qbound = f.range(f.tuple("Q0"), f.tuple("Q" + (n - 1)));
      final TupleSet nbound = f.range(f.tuple(Integer.valueOf(0)), f.tuple(Integer.valueOf(n - 1)));

      b.boundExactly(queen, qbound);
      b.boundExactly(num, nbound);
      b.bound(x, qbound.product(nbound));
      b.bound(y, qbound.product(nbound));

      final TupleSet obound = f.noneOf(2);
      for (int i = 1; i < n; i++) {
        obound.add(f.tuple((Object) Integer.valueOf(i - 1), Integer.valueOf(i)));
      }

      b.boundExactly(ord, obound);

      for (int i = 0; i < n; i++) {
        b.boundExactly(i, f.setOf(Integer.valueOf(i)));
      }

      // extract the partial instance for the grid
      final TupleSet blocks = f.noneOf(2);

      for (m.usePattern(bp); line != null && m.reset(line).matches(); line = reader.readLine()) {
        Integer i = Integer.parseInt(m.group(1)) - 1;
        Integer j = Integer.parseInt(m.group(2)) - 1;

        if (i < 0 || i >= n || j < 0 || j >= n) throw new IOException();

        blocks.add(f.tuple((Object) i, j));
      }

      if (line != null) throw new IOException();

      b.boundExactly(blocked, blocks);

      return b;

    } catch (FileNotFoundException e) {
      System.out.println("Could not find " + file);
      usage();
    } catch (IOException e) {
      System.out.println("Badly formatted file: " + file);
      usage();
    } catch (NumberFormatException e) {
      System.out.println("Badly formatted file: " + file);
      usage();
    }

    return null;
  }
예제 #4
0
  @Test
  public final void testAcyclic() {
    bounds.bound(ac1, factory.area(factory.tuple("0", "0"), factory.tuple("4", "4")));
    assertNotNull(solve(ac1.some().and(ac1.acyclic())));
    assertPrimVarNum(10);

    bounds.bound(r1, factory.range(factory.tuple("0"), factory.tuple("4")));
    assertNotNull(solve(ac1.join(r1).some().and(ac1.acyclic())));
    assertPrimVarNum(10 + bounds.upperBound(r1).size());

    TupleSet ac2b = factory.setOf("5", "6", "7", "8");
    ac2b = ac2b.product(ac2b);
    bounds.bound(ac2, ac2b);
    assertNotNull(solve(ac1.difference(ac2).some().and(ac1.acyclic()).and(ac2.acyclic())));
    assertPrimVarNum(10 + 6);

    bounds.boundExactly(r2, factory.setOf(factory.tuple("5", "6")));
    assertNotNull(solve(ac2.join(r2).some().and(ac2.acyclic())));

    final TupleSet ac3Bound = factory.allOf(2);
    ac3Bound.remove(factory.tuple("9", "9"));
    bounds.bound(ac3, ac3Bound);

    assertNotNull(
        solve(ac1.difference(ac2).union(ac3).some().and(ac1.acyclic()).and(ac2.acyclic())));
    assertPrimVarNum(ac3Bound.size() + 10 + 6);

    bounds.bound(to3, factory.allOf(2));
    bounds.bound(ord3, factory.setOf("0", "1", "2"));
    bounds.bound(first3, bounds.upperBound(ord3));
    bounds.bound(last3, bounds.upperBound(ord3));
    assertNotNull(
        solve(to3.product(ac1).some().and(ac1.acyclic()).and(to3.totalOrder(ord3, first3, last3))));
    assertPrimVarNum(bounds.upperBound(ac1).size());
  }
예제 #5
0
  @Test
  public final void testTotalOrdering() {
    bounds.bound(to1, factory.area(factory.tuple("0", "0"), factory.tuple("4", "4")));
    bounds.bound(ord1, factory.setOf("0", "1", "2", "3", "4"));
    bounds.bound(first1, bounds.upperBound(ord1));
    bounds.bound(last1, bounds.upperBound(ord1));
    final Formula ordered1 = to1.totalOrder(ord1, first1, last1);
    assertNotNull(solve(to1.some().and(ordered1)));
    assertPrimVarNum(0);
    assertAuxVarNum(0);
    assertClauseNum(0);

    bounds.bound(r1, factory.range(factory.tuple("0"), factory.tuple("4")));
    assertNotNull(solve(to1.join(r1).some().and(ordered1)));
    assertPrimVarNum(bounds.upperBound(r1).size());

    bounds.boundExactly(r1, bounds.upperBound(r1));
    assertNotNull(solve(to1.join(r1).some().and(ordered1)));
    assertPrimVarNum(0);

    bounds.bound(to2, factory.setOf("5", "6", "7", "8", "9").product(factory.setOf("5", "7", "8")));
    bounds.bound(ord2, factory.setOf("5", "7", "8"));
    bounds.bound(first2, bounds.upperBound(ord2));
    bounds.bound(last2, bounds.upperBound(ord2));
    final Formula ordered2 = to2.totalOrder(ord2, first2, last2);
    assertNotNull(solve(to1.difference(to2).some().and(ordered2).and(ordered1)));
    assertPrimVarNum(0);
    assertAuxVarNum(0);
    assertClauseNum(0);

    bounds.bound(to3, factory.allOf(2));
    bounds.bound(ord3, factory.allOf(1));
    bounds.bound(first3, factory.setOf("9"));
    bounds.bound(last3, factory.setOf("8"));
    final Formula ordered3 = to3.totalOrder(ord3, first3, last3);
    assertNotNull(solve(to3.product(to1).some().and(ordered1).and(ordered3)));
    assertPrimVarNum(bounds.upperBound(to3).size() + bounds.upperBound(ord3).size() + 2);

    // SAT solver takes a while
    //		bounds.boundExactly(r2, factory.setOf(factory.tuple("9","8")));
    //		assertNotNull(solve(r2.in(to3).and(ordered3)));
    bounds.bound(to3, factory.allOf(2));
    bounds.bound(ord3, factory.setOf("3"));
    bounds.bound(first3, factory.allOf(1));
    bounds.bound(last3, factory.allOf(1));

    Instance instance = solve(ordered3);
    assertNotNull(instance);
    assertTrue(instance.tuples(to3).isEmpty());
    assertTrue(instance.tuples(ord3).equals(bounds.upperBound(ord3)));
    assertTrue(instance.tuples(first3).equals(bounds.upperBound(ord3)));
    assertTrue(instance.tuples(last3).equals(bounds.upperBound(ord3)));
  }
예제 #6
0
  public static void main(String[] args) throws Exception {

    Relation x0 = Relation.unary("Int/min");
    Relation x1 = Relation.unary("Int/zero");
    Relation x2 = Relation.unary("Int/max");
    Relation x3 = Relation.nary("Int/next", 2);
    Relation x4 = Relation.unary("seq/Int");
    Relation x5 = Relation.unary("String");
    Relation x6 = Relation.unary("this/Test");
    Relation x7 = Relation.nary("this/Test.weight", 2);
    Relation x8 = Relation.nary("this/Test.x", 2);
    Relation x9 = Relation.nary("this/Test.y", 2);

    List<String> atomlist =
        Arrays.asList(
            "-1", "-2", "-3", "-4", "-5", "-6", "-7", "-8", "0", "1", "2", "3", "4", "5", "6", "7",
            "Test$0", "Test$1", "Test$2");

    Universe universe = new Universe(atomlist);
    TupleFactory factory = universe.factory();
    Bounds bounds = new Bounds(universe);

    TupleSet x0_upper = factory.noneOf(1);
    x0_upper.add(factory.tuple("-8"));
    bounds.boundExactly(x0, x0_upper);

    TupleSet x1_upper = factory.noneOf(1);
    x1_upper.add(factory.tuple("0"));
    bounds.boundExactly(x1, x1_upper);

    TupleSet x2_upper = factory.noneOf(1);
    x2_upper.add(factory.tuple("7"));
    bounds.boundExactly(x2, x2_upper);

    TupleSet x3_upper = factory.noneOf(2);
    x3_upper.add(factory.tuple("-8").product(factory.tuple("-7")));
    x3_upper.add(factory.tuple("-7").product(factory.tuple("-6")));
    x3_upper.add(factory.tuple("-6").product(factory.tuple("-5")));
    x3_upper.add(factory.tuple("-5").product(factory.tuple("-4")));
    x3_upper.add(factory.tuple("-4").product(factory.tuple("-3")));
    x3_upper.add(factory.tuple("-3").product(factory.tuple("-2")));
    x3_upper.add(factory.tuple("-2").product(factory.tuple("-1")));
    x3_upper.add(factory.tuple("-1").product(factory.tuple("0")));
    x3_upper.add(factory.tuple("0").product(factory.tuple("1")));
    x3_upper.add(factory.tuple("1").product(factory.tuple("2")));
    x3_upper.add(factory.tuple("2").product(factory.tuple("3")));
    x3_upper.add(factory.tuple("3").product(factory.tuple("4")));
    x3_upper.add(factory.tuple("4").product(factory.tuple("5")));
    x3_upper.add(factory.tuple("5").product(factory.tuple("6")));
    x3_upper.add(factory.tuple("6").product(factory.tuple("7")));
    bounds.boundExactly(x3, x3_upper);

    TupleSet x4_upper = factory.noneOf(1);
    x4_upper.add(factory.tuple("0"));
    x4_upper.add(factory.tuple("1"));
    x4_upper.add(factory.tuple("2"));
    x4_upper.add(factory.tuple("3"));
    bounds.boundExactly(x4, x4_upper);

    TupleSet x5_upper = factory.noneOf(1);
    bounds.boundExactly(x5, x5_upper);

    TupleSet x6_upper = factory.noneOf(1);
    x6_upper.add(factory.tuple("Test$0"));
    x6_upper.add(factory.tuple("Test$1"));
    x6_upper.add(factory.tuple("Test$2"));
    bounds.boundExactly(x6, x6_upper);

    TupleSet x7_upper = factory.noneOf(2);
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-8")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-7")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-6")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-5")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-4")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-3")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-2")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("-1")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("0")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("1")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("2")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("3")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("4")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("5")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("6")));
    x7_upper.add(factory.tuple("Test$0").product(factory.tuple("7")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-8")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-7")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-6")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-5")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-4")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-3")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-2")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("-1")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("0")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("1")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("2")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("3")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("4")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("5")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("6")));
    x7_upper.add(factory.tuple("Test$1").product(factory.tuple("7")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-8")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-7")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-6")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-5")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-4")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-3")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-2")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("-1")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("0")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("1")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("2")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("3")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("4")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("5")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("6")));
    x7_upper.add(factory.tuple("Test$2").product(factory.tuple("7")));
    bounds.bound(x7, x7_upper);

    TupleSet x8_upper = factory.noneOf(2);
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-8")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-7")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-6")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-5")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-4")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-3")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-2")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("-1")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("0")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("1")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("2")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("3")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("4")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("5")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("6")));
    x8_upper.add(factory.tuple("Test$0").product(factory.tuple("7")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-8")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-7")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-6")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-5")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-4")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-3")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-2")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("-1")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("0")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("1")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("2")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("3")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("4")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("5")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("6")));
    x8_upper.add(factory.tuple("Test$1").product(factory.tuple("7")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-8")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-7")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-6")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-5")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-4")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-3")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-2")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("-1")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("0")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("1")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("2")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("3")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("4")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("5")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("6")));
    x8_upper.add(factory.tuple("Test$2").product(factory.tuple("7")));
    bounds.bound(x8, x8_upper);

    TupleSet x9_upper = factory.noneOf(2);
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-8")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-7")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-6")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-5")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-4")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-3")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-2")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("-1")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("0")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("1")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("2")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("3")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("4")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("5")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("6")));
    x9_upper.add(factory.tuple("Test$0").product(factory.tuple("7")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-8")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-7")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-6")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-5")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-4")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-3")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-2")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("-1")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("0")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("1")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("2")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("3")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("4")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("5")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("6")));
    x9_upper.add(factory.tuple("Test$1").product(factory.tuple("7")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-8")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-7")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-6")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-5")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-4")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-3")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-2")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("-1")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("0")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("1")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("2")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("3")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("4")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("5")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("6")));
    x9_upper.add(factory.tuple("Test$2").product(factory.tuple("7")));
    bounds.bound(x9, x9_upper);

    bounds.boundExactly(-8, factory.range(factory.tuple("-8"), factory.tuple("-8")));
    bounds.boundExactly(-7, factory.range(factory.tuple("-7"), factory.tuple("-7")));
    bounds.boundExactly(-6, factory.range(factory.tuple("-6"), factory.tuple("-6")));
    bounds.boundExactly(-5, factory.range(factory.tuple("-5"), factory.tuple("-5")));
    bounds.boundExactly(-4, factory.range(factory.tuple("-4"), factory.tuple("-4")));
    bounds.boundExactly(-3, factory.range(factory.tuple("-3"), factory.tuple("-3")));
    bounds.boundExactly(-2, factory.range(factory.tuple("-2"), factory.tuple("-2")));
    bounds.boundExactly(-1, factory.range(factory.tuple("-1"), factory.tuple("-1")));
    bounds.boundExactly(0, factory.range(factory.tuple("0"), factory.tuple("0")));
    bounds.boundExactly(1, factory.range(factory.tuple("1"), factory.tuple("1")));
    bounds.boundExactly(2, factory.range(factory.tuple("2"), factory.tuple("2")));
    bounds.boundExactly(3, factory.range(factory.tuple("3"), factory.tuple("3")));
    bounds.boundExactly(4, factory.range(factory.tuple("4"), factory.tuple("4")));
    bounds.boundExactly(5, factory.range(factory.tuple("5"), factory.tuple("5")));
    bounds.boundExactly(6, factory.range(factory.tuple("6"), factory.tuple("6")));
    bounds.boundExactly(7, factory.range(factory.tuple("7"), factory.tuple("7")));

    Variable x13 = Variable.unary("this");
    Decls x12 = x13.oneOf(x6);
    Expression x16 = x13.join(x7);
    Formula x15 = x16.one();
    Formula x17 = x16.in(Expression.INTS);
    Formula x14 = x15.and(x17);
    Formula x11 = x14.forAll(x12);
    Expression x20 = x7.join(Expression.UNIV);
    Formula x19 = x20.in(x6);
    Variable x24 = Variable.unary("this");
    Decls x23 = x24.oneOf(x6);
    Expression x27 = x24.join(x8);
    Formula x26 = x27.lone();
    Formula x28 = x27.in(Expression.INTS);
    Formula x25 = x26.and(x28);
    Formula x22 = x25.forAll(x23);
    Expression x30 = x8.join(Expression.UNIV);
    Formula x29 = x30.in(x6);
    Variable x33 = Variable.unary("this");
    Decls x32 = x33.oneOf(x6);
    Expression x36 = x33.join(x9);
    Formula x35 = x36.one();
    Formula x37 = x36.in(Expression.INTS);
    Formula x34 = x35.and(x37);
    Formula x31 = x34.forAll(x32);
    Expression x39 = x9.join(Expression.UNIV);
    Formula x38 = x39.in(x6);
    Variable x42 = Variable.unary("this");
    Decls x41 = x42.oneOf(x6);
    Expression x44 = x42.join(x7);
    Expression x48 = x42.join(x8);
    IntExpression x47 = x48.sum();
    Expression x50 = x42.join(x9);
    IntExpression x49 = x50.sum();
    IntExpression x46 = x47.plus(x49);
    Expression x45 = x46.toExpression();
    Formula x43 = x44.eq(x45);
    Formula x40 = x43.forAll(x41);
    Formula x51 = x0.eq(x0);
    Formula x52 = x1.eq(x1);
    Formula x53 = x2.eq(x2);
    Formula x54 = x3.eq(x3);
    Formula x55 = x4.eq(x4);
    Formula x56 = x5.eq(x5);
    Formula x57 = x6.eq(x6);
    Formula x58 = x7.eq(x7);
    Formula x59 = x8.eq(x8);
    Formula x60 = x9.eq(x9);
    IntExprReduction ier = new IntExprReduction();
    Formula[] formulas =
        ier.reduceIntExpressions(
            x11, x19, x22, x29, x31, x38, x40, x51, x52, x53, x54, x55, x56, x57, x58, x59, x60);
    Formula newFormula = Formula.compose(FormulaOperator.AND, formulas);
    ier.solve(newFormula, bounds, factory, universe, 32);
  }
예제 #7
0
  /**
   * Returns the bounds for the given scope.
   *
   * @return the bounds for the given scope.
   */
  public final Bounds bounds(int scope) {
    assert scope > 0;
    final int n = scope * 3;
    final List<String> atoms = new ArrayList<String>(n);
    for (int i = 0; i < scope; i++) atoms.add("Object" + i);
    for (int i = 0; i < scope; i++) atoms.add("Name" + i);
    for (int i = 0; i < scope; i++) atoms.add("DirEntry" + i);

    final Universe u = new Universe(atoms);
    final TupleFactory f = u.factory();
    final Bounds b = new Bounds(u);

    final int max = scope - 1;

    b.bound(Obj, f.range(f.tuple("Object0"), f.tuple("Object" + max)));
    b.boundExactly(Root, f.setOf("Object0"));
    b.bound(Cur, b.upperBound(Obj));
    b.bound(File, b.upperBound(Obj));
    b.bound(Dir, b.upperBound(Obj));
    b.bound(Name, f.range(f.tuple("Name0"), f.tuple("Name" + max)));
    b.bound(DirEntry, f.range(f.tuple("DirEntry0"), f.tuple("DirEntry" + max)));

    b.bound(entries, b.upperBound(Dir).product(b.upperBound(DirEntry)));
    b.bound(parent, b.upperBound(Dir).product(b.upperBound(Dir)));
    b.bound(name, b.upperBound(DirEntry).product(b.upperBound(Name)));
    b.bound(contents, b.upperBound(DirEntry).product(b.upperBound(Obj)));

    return b;
  }
예제 #8
0
 @Override
 public void setBound(final Relation relation, final Bounds bounds) {
   bounds.boundExactly(relation, tupleSet);
 }