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optimizations to bv-solver and euf-egraph (#4698)

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* additional bit-vector propagators

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* rename restrict (not a keyword, but well) #4694, tune euf

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* merge

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add pb rewriting to pb2bv #4697

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-09-20 06:47:27 -07:00 • committed by GitHub
parent ed44a44579
commit 6f63f8761c
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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 206 additions and 116 deletions
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4
src/sat/sat_solver.h
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@ -103,6 +103,7 @@ namespace sat {
scc m_scc;
asymm_branch m_asymm_branch;
probing m_probing;
bool m_is_probing { false };
mus m_mus; // MUS for minimal core extraction
binspr m_binspr;
bool m_inconsistent;
@ -350,6 +351,7 @@ namespace sat {
bool was_eliminated(bool_var v) const { return m_eliminated[v]; }
void set_eliminated(bool_var v, bool f) override;
bool was_eliminated(literal l) const { return was_eliminated(l.var()); }
void set_phase(literal l) override { m_phase[l.var()] = !l.sign(); }
unsigned scope_lvl() const { return m_scope_lvl; }
unsigned search_lvl() const { return m_search_lvl; }
bool at_search_lvl() const { return m_scope_lvl == m_search_lvl; }
@ -662,7 +664,7 @@ namespace sat {
public:
void set_should_simplify() { m_next_simplify = m_conflicts_since_init; }
bool_var_vector const& get_vars_to_reinit() const { return m_vars_to_reinit; }
bool is_probing() const { return m_probing.active(); }
bool is_probing() const { return m_is_probing; }
public:
void user_push() override;