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Add bitblasting fallback to viable::query

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(integration between conflict/viable is still messy)
This commit is contained in:
Jakob Rath 2022-12-16 13:02:54 +01:00
parent 44cb528300
commit afde0e993c
8 changed files with 336 additions and 121 deletions
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12
src/math/polysat/conflict.cpp
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@ -182,6 +182,15 @@ namespace polysat {
SASSERT(s.at_base_level());
m_level = s.m_level;
SASSERT(!empty());
// TODO: logger().begin_conflict???
// TODO: check uses of logger().begin_conflict(). sometimes we call it before adding constraints, sometimes after...
}
void conflict::init_empty() {
SASSERT(empty());
m_level = s.m_level;
SASSERT(!empty());
// TODO: logger().begin_conflict???
}
void conflict::init(signed_constraint c) {
@ -193,11 +202,13 @@ namespace polysat {
logger().begin_conflict();
}
#if 0
void conflict::set(signed_constraint c) {
SASSERT(!empty());
remove_all();
set_impl(c);
}
#endif
void conflict::set_impl(signed_constraint c) {
if (c.bvalue(s) == l_false) {
@ -233,6 +244,7 @@ namespace polysat {
void conflict::init(pvar v, bool by_viable_fallback) {
LOG("Conflict: viable v" << v);
SASSERT(empty());
SASSERT(!s.is_assigned(v));
m_level = s.m_level;
if (by_viable_fallback) {
logger().begin_conflict(header_with_var("unsat core from viable fallback for v", v));