mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-14 03:04:44 +00:00
Code Activity

update to use incremental substitution

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-23 03:00:25 +01:00
parent 6f689c3c1f
commit cbbf1381f7
19 changed files with 167 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/math/polysat/mul_ovfl_constraint.cpp
View file

@ -81,18 +81,19 @@ namespace polysat {
return is_always_false(is_positive, m_p, m_q);
}
bool mul_ovfl_constraint::is_currently_false(assignment_t const& a, bool is_positive) const {
return is_always_false(is_positive, p().subst_val(a), q().subst_val(a));
bool mul_ovfl_constraint::is_currently_false(solver& s, bool is_positive) const {
return is_always_false(is_positive, s.subst(p()), s.subst(q()));
}
bool mul_ovfl_constraint::is_currently_true(assignment_t const& a, bool is_positive) const {
return is_always_true(is_positive, p().subst_val(a), q().subst_val(a));
bool mul_ovfl_constraint::is_currently_true(solver& s, bool is_positive) const {
return is_always_true(is_positive, s.subst(p()), s.subst(q()));
}
void mul_ovfl_constraint::narrow(solver& s, bool is_positive) {
auto p1 = p().subst_val(s.assignment());
auto q1 = q().subst_val(s.assignment());
auto p1 = s.subst(p());
auto q1 = s.subst(q());
if (is_always_false(is_positive, p1, q1)) {
s.set_conflict({ this, is_positive });
return;