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add stubs for reinit_clauses

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-03-28 12:34:09 -07:00
parent a82408e89b
commit 67efd6531b
7 changed files with 82 additions and 9 deletions
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13
src/math/polysat/constraint_manager.cpp
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@ -46,7 +46,7 @@ namespace polysat {
void constraint_manager::ensure_bvar(constraint* c) {
if (!c->has_bvar())
assign_bv2c(s.m_bvars.new_var(), c);
assign_bv2c(s.m_bvars.new_var(s.m_level), c);
}
void constraint_manager::erase_bvar(constraint* c) {
@ -130,16 +130,16 @@ namespace polysat {
SASSERT(std::all_of(cl.begin() + 1, cl.end(), [&](auto lit) { return get_watch_level(lit) <= get_watch_level(cl[1]); }));
}
void constraint_manager::watch(clause& cl) {
bool constraint_manager::watch(clause& cl) {
if (cl.empty())
return;
return false;
if (cl.size() == 1) {
if (s.m_bvars.is_false(cl[0]))
s.set_conflict(cl);
else if (!s.m_bvars.is_assigned(cl[0]))
s.assign_propagate(cl[0], cl);
return;
return true;
}
normalize_watch(cl);
@ -148,16 +148,17 @@ namespace polysat {
s.m_bvars.watch(cl[1]).push_back(&cl);
if (s.m_bvars.is_true(cl[0]))
return;
return false;
SASSERT(!s.m_bvars.is_true(cl[1]));
if (!s.m_bvars.is_false(cl[1])) {
SASSERT(!s.m_bvars.is_assigned(cl[0]) && !s.m_bvars.is_assigned(cl[1]));
return;
return false;
}
if (s.m_bvars.is_false(cl[0]))
s.set_conflict(cl);
else
s.assign_propagate(cl[0], cl);
return true;
}
void constraint_manager::unwatch(clause& cl) {