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fixes/debugging

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-11-02 14:48:19 -07:00
parent 4c81f8676c
commit 3f3bd5948f
5 changed files with 41 additions and 30 deletions
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40
src/test/polysat.cpp
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@ -876,23 +876,27 @@ namespace polysat {
}
// x*y <= b & a <= x & !Omega(x*y) => a*y <= b
static void test_ineq_non_axiom4(unsigned bw = 32) {
static void test_ineq_non_axiom4(unsigned bw, unsigned i) {
auto const bound = rational::power_of_two(bw - 1);
for (unsigned i = 0; i < 24; ++i) {
scoped_solver s(__func__);
auto x = s.var(s.add_var(bw));
auto y = s.var(s.add_var(bw));
auto a = s.var(s.add_var(bw));
auto b = s.var(s.add_var(bw));
permute_args(i, x, y, a, b);
s.add_ule(x * y, b);
s.add_ule(a, x);
s.add_ult(x, bound);
s.add_ult(y, bound);
s.add_ult(b, a * y);
s.check();
s.expect_sat();
}
scoped_solver s(__func__);
LOG("permutation: " << i);
auto x = s.var(s.add_var(bw));
auto y = s.var(s.add_var(bw));
auto a = s.var(s.add_var(bw));
auto b = s.var(s.add_var(bw));
permute_args(i, x, y, a, b);
s.add_ule(x * y, b);
s.add_ule(a, x);
s.add_ult(x, bound);
s.add_ult(y, bound);
s.add_ult(b, a * y);
s.check();
s.expect_sat();
}
static void test_ineq_non_axiom4(unsigned bw = 32) {
for (unsigned i = 0; i < 24; ++i)
test_ineq_non_axiom4(bw, i);
}
// a < xy & x <= b & !Omega(x*y) => a < b*y
@ -1063,8 +1067,8 @@ void tst_polysat() {
// polysat::test_ineq_axiom1();
// polysat::test_ineq_axiom2();
// polysat::test_ineq_axiom3();
polysat::test_ineq_non_axiom1();
polysat::test_ineq_non_axiom4();
// polysat::test_ineq_non_axiom1();
polysat::test_ineq_non_axiom4(32, 5);
polysat::test_ineq_axiom4();
polysat::test_ineq_axiom5();
polysat::test_ineq_axiom6();