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Weaken evaluation for new constraints in viable lemma

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This commit is contained in:
Jakob Rath 2022-12-22 16:24:27 +01:00
parent be20c0d54e
commit 21ea05b31c
3 changed files with 27 additions and 17 deletions
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22
src/math/polysat/clause_builder.cpp
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@ -75,15 +75,23 @@ namespace polysat {
m_literals.push_back(c.blit());
}
void clause_builder::insert_eval(sat::literal lit, bool status) {
insert_eval(m_solver->lit2cnstr(lit), status);
void clause_builder::insert_eval(sat::literal lit) {
insert_eval(m_solver->lit2cnstr(lit));
}
void clause_builder::insert_eval(signed_constraint c, bool status) {
if (c.bvalue(*m_solver) == l_undef) {
sat::literal lit = c.blit();
m_solver->assign_eval(status ? lit : ~lit);
}
void clause_builder::insert_eval(signed_constraint c) {
if (c.bvalue(*m_solver) == l_undef)
m_solver->assign_eval(~c.blit());
insert(c);
}
void clause_builder::insert_try_eval(sat::literal lit) {
insert_eval(m_solver->lit2cnstr(lit));
}
void clause_builder::insert_try_eval(signed_constraint c) {
if (c.bvalue(*m_solver) == l_undef && c.is_currently_false(*m_solver))
m_solver->assign_eval(~c.blit());
insert(c);
}
}