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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>
This commit is contained in:
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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11
src/ast/euf/euf_enode.h
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@ -17,6 +17,7 @@ Author:
#include "util/vector.h"
#include "util/id_var_list.h"
#include "util/lbool.h"
#include "ast/ast.h"
#include "ast/euf/euf_justification.h"
@ -43,6 +44,9 @@ namespace euf {
bool m_update_children{ false };
bool m_interpreted{ false };
bool m_merge_enabled{ true };
bool m_is_equality{ false };
lbool m_value;
unsigned m_bool_var { UINT_MAX };
unsigned m_class_size{ 1 };
unsigned m_table_id{ UINT_MAX };
enode_vector m_parents;
@ -104,6 +108,9 @@ namespace euf {
void replace_th_var(theory_var v, theory_id id) { m_th_vars.replace(v, id); }
void del_th_var(theory_id id) { m_th_vars.del_var(id); }
void set_merge_enabled(bool m) { m_merge_enabled = m; }
void set_value(lbool v) { m_value = v; }
void set_is_equality() { m_is_equality = true; }
void set_bool_var(unsigned v) { m_bool_var = v; }
public:
~enode() {
@ -121,6 +128,10 @@ namespace euf {
unsigned num_args() const { return m_num_args; }
unsigned num_parents() const { return m_parents.size(); }
bool interpreted() const { return m_interpreted; }
bool is_equality() const { return m_is_equality; }
lbool value() const { return m_value; }
unsigned bool_var() const { return m_bool_var; }
bool commutative() const { return m_commutative; }
void mark_interpreted() { SASSERT(num_args() == 0); m_interpreted = true; }
bool merge_enabled() { return m_merge_enabled; }