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fix missing dependency, expose inefficiency

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This commit is contained in:
Nikolaj Bjorner 2021-12-19 12:32:20 -08:00
parent c1d5111159
commit 2afc58cc08
4 changed files with 39 additions and 3 deletions
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19
src/test/polysat.cpp
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@ -980,6 +980,15 @@ namespace polysat {
}
static void test_band(unsigned bw = 32) {
{
scoped_solver s(__func__);
auto p = s.var(s.add_var(bw));
auto q = s.var(s.add_var(bw));
s.add_diseq(p - s.band(p, q));
s.add_diseq(p - q);
s.check();
s.expect_sat();
}
{
scoped_solver s(__func__);
auto p = s.var(s.add_var(bw));
@ -1004,6 +1013,16 @@ namespace polysat {
s.check();
s.expect_sat();
}
{
scoped_solver s(__func__);
auto p = s.var(s.add_var(bw));
auto q = s.var(s.add_var(bw));
s.add_ule(p, s.band(p, q));
s.add_diseq(p - s.band(p, q));
s.check();
s.expect_unsat();
}
}