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remove empty clause feature

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-10 20:19:59 -08:00
parent c839f58276
commit ec39d84f57
3 changed files with 1 additions and 6 deletions
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5
src/smt/smt_context.cpp
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@ -75,7 +75,6 @@ namespace smt {
m_phase_default(false),
m_conflict(null_b_justification),
m_not_l(null_literal),
m_empty_clause(false),
m_conflict_resolution(mk_conflict_resolution(m, *this, m_dyn_ack_manager, p, m_assigned_literals, m_watches)),
m_unsat_proof(m),
m_dyn_ack_manager(*this, p),
@ -2396,11 +2395,9 @@ namespace smt {
m_unsat_proof = nullptr;
}
m_base_scopes.shrink(new_lvl);
m_empty_clause = false;
}
else {
m_conflict = m_empty_clause ? b_justification::mk_axiom() : null_b_justification;
// m_conflict = null_b_justification;
m_conflict = null_b_justification;
m_not_l = null_literal;
}
del_clauses(m_aux_clauses, s.m_aux_clauses_lim);