mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-19 01:32:17 +00:00
Code Activity

New default behavior in the strategic_solver: invoke tactics when incremental solver returns unknown.

Browse source 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-11 19:27:19 -07:00
parent 27a5bd5b83
commit db8782e7e7
2 changed files with 40 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

16
lib/strategic_solver.h
View file

@ -26,6 +26,15 @@ class progress_callback;
struct front_end_params;
class strategic_solver : public solver {
public:
// Behavior when the incremental solver returns unknown.
enum inc_unknown_behavior {
IUB_RETURN_UNDEF, // just return unknown
IUB_USE_TACTIC_IF_QF, // invoke tactic if problem is quantifier free
IUB_USE_TACTIC // invoke tactic
};
private:
ast_manager * m_manager;
front_end_params * m_fparams;
symbol m_logic;
@ -34,7 +43,7 @@ class strategic_solver : public solver {
bool m_check_sat_executed;
scoped_ptr<solver> m_inc_solver;
unsigned m_inc_solver_timeout;
bool m_tactic_if_undef;
inc_unknown_behavior m_inc_unknown_behavior;
scoped_ptr<tactic_factory> m_default_fct;
dictionary<tactic_factory*> m_logic2fct;
@ -63,6 +72,9 @@ class strategic_solver : public solver {
struct mk_tactic;
bool has_quantifiers() const;
bool use_tactic_when_undef() const;
public:
strategic_solver();
~strategic_solver();
@ -73,7 +85,7 @@ public:
void set_inc_solver_timeout(unsigned timeout);
void set_default_tactic(tactic_factory * fct);
void set_tactic_for(symbol const & logic, tactic_factory * fct);
void use_tactic_if_undef(bool f);
void set_inc_unknown_behavior(inc_unknown_behavior b) { m_inc_unknown_behavior = b; }
void force_tactic(bool f) { m_force_tactic = f; }
virtual void set_front_end_params(front_end_params & p) { m_fparams = &p; }