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handle empty clauses created as lemmas as unsat state.

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add unit tests
This commit is contained in:
Nikolaj Bjorner 2021-09-19 15:43:47 -04:00
parent c69c316b27
commit 1e3ff3179e
10 changed files with 113 additions and 80 deletions
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5
src/math/polysat/conflict_core.cpp
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@ -215,7 +215,7 @@ namespace polysat {
s().assign_bool(s().level(*lemma), c.blit(), lemma.get(), nullptr);
}
clause_builder conflict_core::build_core_lemma() {
clause_builder conflict_core::build_lemma() {
LOG_H3("Build lemma from core");
LOG("core: " << *this);
clause_builder lemma(s());
@ -243,9 +243,6 @@ namespace polysat {
return lemma;
}
clause_builder conflict_core::build_lemma() {
return build_core_lemma();
}
bool conflict_core::resolve_value(pvar v, vector<signed_constraint> const& cjust_v) {
// NOTE: