/** Allocate relations for SubsetSig top-down. */
private Expression allocateSubsetSig(SubsetSig sig) throws Err {
// We must not visit the same SubsetSig more than once, so if we've been here already, then
// return the old value right away
Expression sum = sol.a2k(sig);
if (sum != null && sum != Expression.NONE) return sum;
// Recursively form the union of all parent expressions
TupleSet ts = factory.noneOf(1);
for (Sig parent : sig.parents) {
Expression p =
(parent instanceof PrimSig) ? sol.a2k(parent) : allocateSubsetSig((SubsetSig) parent);
ts.addAll(sol.query(true, p, false));
if (sum == null) sum = p;
else sum = sum.union(p);
}
// If subset is exact, then just use the "sum" as is
if (sig.exact) {
sol.addSig(sig, sum);
return sum;
}
// Allocate a relation for this subset sig, then bound it
rep.bound("Sig " + sig + " in " + ts + "\n");
Relation r = sol.addRel(sig.label, null, ts);
sol.addSig(sig, r);
// Add a constraint that it is INDEED a subset of the union of its parents
sol.addFormula(r.in(sum), sig.isSubset);
return r;
}
/** Prints the given solution using the given options to the console */
void print(Instance instance, Options options) {
final Evaluator eval = new Evaluator(instance, options);
final int n = instance.tuples(queen).size();
for (int i = 0; i < n; i++) {
Expression ci = IntConstant.constant(i).toExpression();
for (int j = 0; j < n; j++) {
Expression cj = IntConstant.constant(j).toExpression();
if (eval.evaluate(x.join(ci).intersection(y.join(cj)).some())) {
System.out.print(" Q");
} else {
System.out.print(" .");
}
}
System.out.println();
}
// System.out.println(instance);
}
@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)));
}
/**
* Sets the lower and upper bounds for the given relation.
*
* @requires lower.tuples in upper.tuples && lower.arity = upper.arity = r.arity && lower.universe
* = upper.universe = this.universe
* @ensures this.relations' = this.relations + r && this.lowerBound' = this.lowerBound ++ r->lower
* && this.upperBound' = this.upperBound ++ r->upper
* @throws NullPointerException r = null || lower = null || upper = null
* @throws IllegalArgumentException lower.arity != r.arity || upper.arity != r.arity
* @throws IllegalArgumentException lower.universe != this.universe || upper.universe !=
* this.universe
* @throws IllegalArgumentException lower.tuples !in upper.tuples
*/
public void bound(Relation r, TupleSet lower, TupleSet upper) {
if (!upper.containsAll(lower))
throw new IllegalArgumentException("lower.tuples !in upper.tuples");
if (upper.size() == lower.size()) {
// upper.containsAll(lower) && upper.size()==lower.size() => upper.equals(lower)
boundExactly(r, lower);
} else {
checkBound(r.arity(), lower);
checkBound(r.arity(), upper);
lowers.put(r, lower.clone().unmodifiableView());
uppers.put(r, upper.clone().unmodifiableView());
}
}
/**
* Returns all facts in the model.
*
* @return the facts.
*/
public final Formula facts() {
// sig File extends Object {} { some d: Dir | this in d.entries.contents }
final Variable file = Variable.unary("this");
final Variable d = Variable.unary("d");
final Formula f0 =
file.in(d.join(entries).join(contents)).forSome(d.oneOf(Dir)).forAll(file.oneOf(File));
// sig Dir extends Object {
// entries: set DirEntry,
// parent: lone Dir
// } {
// parent = this.~@contents.~@entries
// all e1, e2 : entries | e1.name = e2.name => e1 = e2
// this !in this.^@parent
// this != Root => Root in this.^@parent
// }
final Variable dir = Variable.unary("this");
final Variable e1 = Variable.unary("e1"), e2 = Variable.unary("e2");
final Formula f1 =
(dir.join(parent)).eq(dir.join(contents.transpose()).join(entries.transpose()));
final Expression e0 = dir.join(entries);
final Formula f2 =
e1.join(name).eq(e2.join(name)).implies(e1.eq(e2)).forAll(e1.oneOf(e0).and(e2.oneOf(e0)));
final Formula f3 = dir.in(dir.join(parent.closure())).not();
final Formula f4 = dir.eq(Root).not().implies(Root.in(dir.join(parent.closure())));
final Formula f5 = f1.and(f2).and(f3).and(f4).forAll(dir.oneOf(Dir));
// one sig Root extends Dir {} { no parent }
final Formula f6 = Root.join(parent).no();
// sig DirEntry {
// name: Name,
// contents: Object
// } { one this.~entries }
final Variable entry = Variable.unary("this");
final Formula f7 = entry.join(entries.transpose()).one().forAll(entry.oneOf(DirEntry));
// fact OneParent {
// // all directories besides root xhave one parent
// all d: Dir - Root | one d.parent
// }
final Formula f8 = d.join(parent).one().forAll(d.oneOf(Dir.difference(Root)));
return f0.and(f5).and(f6).and(f7).and(f8);
}
/** Constructs an instance of BlockedNQueens from the file with the given name. */
public BlockedNQueens(final String file) {
this.file = file;
this.queen = Relation.unary("Queen");
this.x = Relation.binary("x");
this.y = Relation.binary("y");
this.blocked = Relation.binary("blocked");
this.num = Relation.unary("num");
this.ord = Relation.binary("ord");
}
/**
* Returns a relational encoding of the problem.
*
* @return a relational encoding of the problem.
*/
public Formula rules() {
final List<Formula> rules = new ArrayList<Formula>();
rules.add(x.function(queen, num));
rules.add(y.function(queen, num));
final Variable i = Variable.unary("n");
final Variable q1 = Variable.unary("q1"), q2 = Variable.unary("q2");
// at most one queen in each row: all i: num | lone x.i
rules.add(x.join(i).lone().forAll(i.oneOf(num)));
// at most one queen in each column: all i: num | lone y.i
rules.add(y.join(i).lone().forAll(i.oneOf(num)));
// no queen in a blocked position: all q: Queen | q.x->q.y !in blocked
rules.add(q1.join(x).product(q1.join(y)).intersection(blocked).no().forAll(q1.oneOf(queen)));
// at most one queen on each diagonal
// all q1: Queen, q2: Queen - q1 |
// let xu = prevs[q2.x] + prevs[q1.x],
// xi = prevs[q2.x] & prevs[q1.x],
// yu = prevs[q2.y] + prevs[q1.y],
// yi = prevs[q2.y] & prevs[q1.y] |
// #(xu - xi) != #(yu - yi)
final Expression ordClosure = ord.closure();
final Expression q2xPrevs = ordClosure.join(q2.join(x)), q1xPrevs = ordClosure.join(q1.join(x));
final Expression q2yPrevs = ordClosure.join(q2.join(y)), q1yPrevs = ordClosure.join(q1.join(y));
final IntExpression xDiff =
(q2xPrevs.union(q1xPrevs)).difference(q2xPrevs.intersection(q1xPrevs)).count();
final IntExpression yDiff =
(q2yPrevs.union(q1yPrevs)).difference(q2yPrevs.intersection(q1yPrevs)).count();
rules.add(xDiff.eq(yDiff).not().forAll(q1.oneOf(queen).and(q2.oneOf(queen.difference(q1)))));
return Formula.and(rules);
}
/**
* Makes the specified tupleset the upper bound on the contents of the given relation. The lower
* bound automatically becomen an empty tupleset with the same arity as the relation.
*
* @requires upper.arity = r.arity && upper.universe = this.universe
* @ensures this.relations' = this.relations + r this.lowerBound' = this.lowerBound ++ r->{s:
* TupleSet | s.universe = this.universe && s.arity = r.arity && no s.tuples} &&
* this.upperBound' = this.upperBound ++ r->upper
* @throws NullPointerException r = null || upper = null
* @throws IllegalArgumentException upper.arity != r.arity || upper.universe != this.universe
*/
public void bound(Relation r, TupleSet upper) {
checkBound(r.arity(), upper);
lowers.put(r, factory.noneOf(r.arity()).unmodifiableView());
uppers.put(r, upper.clone().unmodifiableView());
}
/**
* Sets both the lower and upper bounds of the given relation to the given set of tuples.
*
* @requires tuples.arity = r.arity && tuples.universe = this.universe
* @ensures this.relations' = this.relations + r this.lowerBound' = this.lowerBound' ++ r->tuples
* && this.upperBound' = this.lowerBound' ++ r->tuples
* @throws NullPointerException r = null || tuples = null
* @throws IllegalArgumentException tuples.arity != r.arity || tuples.universe != this.universe
*/
public void boundExactly(Relation r, TupleSet tuples) {
checkBound(r.arity(), tuples);
final TupleSet unmodifiableTuplesCopy = tuples.clone().unmodifiableView();
lowers.put(r, unmodifiableTuplesCopy);
uppers.put(r, unmodifiableTuplesCopy);
}
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));
}
public SymmetryBreakingTest() {
this.solver = new Solver();
List<String> atoms = new ArrayList<String>(USIZE);
for (int i = 0; i < USIZE; i++) {
atoms.add("" + i);
}
final Universe universe = new Universe(atoms);
this.factory = universe.factory();
to1 = Relation.binary("to1");
ord1 = Relation.unary("ord1");
first1 = Relation.unary("first1");
last1 = Relation.unary("last1");
to2 = Relation.binary("to2");
ord2 = Relation.unary("ord2");
first2 = Relation.unary("first2");
last2 = Relation.unary("last2");
to3 = Relation.binary("to3");
ord3 = Relation.unary("ord3");
first3 = Relation.unary("first3");
last3 = Relation.unary("last3");
ac1 = Relation.binary("ac1");
ac2 = Relation.binary("ac2");
ac3 = Relation.binary("ac3");
r1 = Relation.unary("r1");
r2 = Relation.binary("r2");
}
@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());
}
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);
}
/**
* Returns the declaration constraints.
*
* @return declaration constraints
*/
public final Formula decls() {
// File and Dir partition object
final Formula f0 = Obj.eq(File.union(Dir)).and(File.intersection(Dir).no());
// Root and Cur are in Dir and do not intersect
final Formula f1 = Root.in(Dir).and(Cur.in(Dir)).and(Root.intersection(Cur).no());
// don't need to specify that Dir, Name, and DirEntry are disjoint; implied by bounds
final Formula f2 = entries.in(Dir.product(DirEntry));
final Formula f3 = parent.partialFunction(Dir, Dir);
final Formula f4 = name.function(DirEntry, Name);
final Formula f5 = contents.function(DirEntry, Obj);
return f0.and(f1).and(f2).and(f3).and(f4).and(f5);
}
/** Constructs a new instance of the file system problem. */
public FileSystem() {
Obj = Relation.unary("Object");
Name = Relation.unary("Name");
File = Relation.unary("File");
Dir = Relation.unary("Dir");
Root = Relation.unary("Root");
Cur = Relation.unary("Cur");
DirEntry = Relation.unary("DirEntry");
entries = Relation.binary("entries");
parent = Relation.binary("parent");
name = Relation.binary("name");
contents = Relation.binary("contents");
}
/**
* Returns the no aliases assertion.
*
* @return the no aliases assertion.
*/
public final Formula noDirAliases() {
// all o: Dir | lone o.~contents
final Variable o = Variable.unary("o");
return o.join(contents.transpose()).lone().forAll(o.oneOf(Dir));
}