mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-24 09:35:32 +00:00
Code Activity

fast path for antecedent extraction in smt_context

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-07-28 16:49:19 -07:00
parent ceb3f0c869
commit 8221a09659
11 changed files with 237 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/solver/solver.cpp
View file

@ -48,6 +48,10 @@ struct scoped_assumption_push {
};
lbool solver::get_consequences(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences) {
return get_consequences_core(asms, vars, consequences);
}
lbool solver::get_consequences_core(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences) {
ast_manager& m = asms.get_manager();
lbool is_sat = check_sat(asms);
if (is_sat != l_true) {

5
src/solver/solver.h
View file

@ -171,6 +171,11 @@ public:
~scoped_push() { if (!m_nopop) s.pop(1); }
void disable_pop() { m_nopop = true; }
};
protected:
virtual lbool get_consequences_core(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences);
};
#endif

5
src/solver/solver_na2as.cpp
View file

@ -65,6 +65,11 @@ lbool solver_na2as::check_sat(unsigned num_assumptions, expr * const * assumptio
return check_sat_core(m_assumptions.size(), m_assumptions.c_ptr());
}
lbool solver_na2as::get_consequences(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences) {
append_assumptions app(m_assumptions, asms.size(), asms.c_ptr());
return get_consequences_core(m_assumptions, vars, consequences);
}
void solver_na2as::push() {
m_scopes.push_back(m_assumptions.size());
push_core();

1
src/solver/solver_na2as.h
View file

@ -45,6 +45,7 @@ public:
virtual unsigned get_num_assumptions() const { return m_assumptions.size(); }
virtual expr * get_assumption(unsigned idx) const { return m_assumptions[idx]; }
virtual lbool get_consequences(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences);
protected:
virtual lbool check_sat_core(unsigned num_assumptions, expr * const * assumptions) = 0;
virtual void push_core() = 0;