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ensure that bca takes also lemmas into account

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-27 15:40:25 -07:00
parent 0919fd4075
commit 829c140087
21 changed files with 384 additions and 149 deletions
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11
src/sat/sat_simplifier.h
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@ -71,9 +71,11 @@ namespace sat {
int m_elim_counter;
// config
bool m_abce; // block clauses using asymmetric added literals
bool m_cce; // covered clause elimination
bool m_acce; // cce with asymetric literal addition
bool m_bca; // blocked (binary) clause addition.
unsigned m_bce_delay;
bool m_elim_blocked_clauses;
unsigned m_elim_blocked_clauses_at;
bool m_retain_blocked_clauses;
@ -169,10 +171,11 @@ namespace sat {
struct blocked_clause_elim;
void elim_blocked_clauses();
bool bce_enabled() const { return m_elim_blocked_clauses || m_elim_blocked_clauses_at == m_num_calls || cce_enabled(); }
bool acce_enabled() const { return m_acce; }
bool cce_enabled() const { return m_cce || acce_enabled(); }
bool bca_enabled() const { return m_bca; }
bool bce_enabled() const { return !m_learned_in_use_lists && m_num_calls >= m_bce_delay && (m_elim_blocked_clauses || m_elim_blocked_clauses_at == m_num_calls || cce_enabled()); }
bool acce_enabled() const { return !m_learned_in_use_lists && m_num_calls >= m_bce_delay && m_acce; }
bool cce_enabled() const { return !m_learned_in_use_lists && m_num_calls >= m_bce_delay && (m_cce || acce_enabled()); }
bool abce_enabled() const { return !m_learned_in_use_lists && m_num_calls >= m_bce_delay && m_abce; }
bool bca_enabled() const { return m_bca && m_learned_in_use_lists; }
bool elim_vars_bdd_enabled() const { return m_elim_vars_bdd && m_num_calls >= m_elim_vars_bdd_delay; }
bool elim_vars_enabled() const { return m_elim_vars; }