mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-07-23 12:48:53 +00:00
Code Activity

adding arith sls

Browse source
This commit is contained in:
Nikolaj Bjorner 2023-02-07 19:27:19 -08:00
parent 6a2d60a6ba
commit 96d815b904
17 changed files with 625 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/sat/smt/euf_solver.h
View file

@ -100,6 +100,14 @@ namespace euf {
scope(unsigned l) : m_var_lim(l) {}
};
struct local_search_config {
double cb = 0.0;
unsigned L = 20;
unsigned t = 45;
unsigned max_no_improve = 500000;
double sp = 0.0003;
};
size_t* to_ptr(sat::literal l) { return TAG(size_t*, reinterpret_cast<size_t*>((size_t)(l.index() << 4)), 1); }
size_t* to_ptr(size_t jst) { return TAG(size_t*, reinterpret_cast<size_t*>(jst), 2); }
@ -119,6 +127,7 @@ namespace euf {
sat::sat_internalizer& si;
relevancy m_relevancy;
smt_params m_config;
local_search_config m_ls_config;
euf::egraph m_egraph;
trail_stack m_trail;
stats m_stats;
@ -253,6 +262,11 @@ namespace euf {
constraint& eq_constraint() { return mk_constraint(m_eq, constraint::kind_t::eq); }
constraint& lit_constraint(enode* n);
// local search
unsigned m_max_bool_steps = 10;
bool is_propositional(sat::literal lit);
void setup_bounds(sat::model const& mdl);
// user propagator
void check_for_user_propagator() {
if (!m_user_propagator)
@ -339,6 +353,7 @@ namespace euf {
void add_assumptions(sat::literal_set& assumptions) override;
bool tracking_assumptions() override;
std::string reason_unknown() override { return m_reason_unknown; }
void local_search(bool_vector& phase) override;
void propagate(literal lit, ext_justification_idx idx);
bool propagate(enode* a, enode* b, ext_justification_idx idx);
@ -551,4 +566,3 @@ namespace euf {
inline std::ostream& operator<<(std::ostream& out, euf::solver const& s) {
return s.display(out);
}