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build_lemma returns clause_builder; adjust reason in revert_bool_decision

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This commit is contained in:
Jakob Rath 2021-09-07 15:02:29 +02:00
parent 733c21bb20
commit 24f96acf4f
8 changed files with 83 additions and 75 deletions
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5
src/math/polysat/conflict_core.h
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@ -13,6 +13,7 @@ Author:
--*/
#pragma once
#include "math/polysat/constraint.h"
#include "math/polysat/clause_builder.h"
namespace polysat {
@ -89,7 +90,9 @@ namespace polysat {
bool resolve_value(pvar v, vector<signed_constraint> const& cjust_v);
/** Convert the core into a lemma to be learned. */
clause_ref build_lemma(unsigned model_level);
clause_builder build_lemma(unsigned reverted_level);
clause_builder build_core_lemma(unsigned model_level);
clause_builder build_fallback_lemma(unsigned lvl);
bool try_eliminate(pvar v);
bool try_saturate(pvar v);