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Polysat: conflict resolution wip (#5529)

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* conflict_core doesn't need gc() anymore

* update comments, ensure_bvar for new constraints

* Make sure constraints can only be created through constraint_manager

* fix constraint::display if no boolean variable is assigned

* Move clause into separate file

* Add conflict_core binary resolution

* conflict_core additions

* reactivate conflict resolution outer loop

* wip

* seems commented includes break CI build
This commit is contained in:
Jakob Rath 2021-09-01 18:10:10 +02:00 • committed by GitHub
parent 8b374c3745
commit dc547510db
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16 changed files with 423 additions and 335 deletions
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6
src/math/polysat/ule_constraint.h
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@ -18,9 +18,11 @@ Author:
namespace polysat {
class ule_constraint final : public constraint {
friend class constraint_manager;
pdd m_lhs;
pdd m_rhs;
public:
ule_constraint(constraint_manager& m, unsigned lvl, pdd const& l, pdd const& r):
constraint(m, lvl, ckind_t::ule_t), m_lhs(l), m_rhs(r) {
m_vars.append(l.free_vars());
@ -28,6 +30,8 @@ namespace polysat {
if (!m_vars.contains(v))
m_vars.push_back(v);
}
public:
~ule_constraint() override {}
pdd const& lhs() const { return m_lhs; }
pdd const& rhs() const { return m_rhs; }