mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-10 13:10:50 +00:00
Code Activity

user solver (#4709)

Browse source 
* user solver

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

* na

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

* na

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

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-24 04:55:34 -07:00 • committed by GitHub
parent 7c2bdfe3fb
commit 43db7df2b5
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
19 changed files with 420 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

52
src/sat/smt/euf_solver.h
View file

@ -27,6 +27,7 @@ Author:
#include "sat/smt/sat_th.h"
#include "sat/smt/sat_dual_solver.h"
#include "sat/smt/euf_ackerman.h"
#include "sat/smt/user_solver.h"
#include "smt/params/smt_params.h"
namespace euf {
@ -85,13 +86,12 @@ namespace euf {
stats m_stats;
th_rewriter m_rewriter;
func_decl_ref_vector m_unhandled_functions;
sat::solver* m_solver{ nullptr };
sat::lookahead* m_lookahead{ nullptr };
ast_manager* m_to_m;
sat::lookahead* m_lookahead{ nullptr };
ast_manager* m_to_m;
sat::sat_internalizer* m_to_si;
scoped_ptr<euf::ackerman> m_ackerman;
scoped_ptr<sat::dual_solver> m_dual_solver;
user::solver* m_user_propagator{ nullptr };
ptr_vector<expr> m_var2expr;
ptr_vector<size_t> m_explain;
@ -174,6 +174,12 @@ namespace euf {
constraint& eq_constraint() { return mk_constraint(m_eq, constraint::kind_t::eq); }
constraint& lit_constraint() { return mk_constraint(m_lit, constraint::kind_t::lit); }
// user propagator
void check_for_user_propagator() {
if (!m_user_propagator)
throw default_exception("user propagator must be initialized");
}
public:
solver(ast_manager& m, sat::sat_internalizer& si, params_ref const& p = params_ref());
@ -197,8 +203,7 @@ namespace euf {
};
// accessors
sat::solver& s() { return *m_solver; }
sat::solver const& s() const { return *m_solver; }
sat::sat_internalizer& get_si() { return si; }
ast_manager& get_manager() { return m; }
enode* get_enode(expr* e) { return m_egraph.find(e); }
@ -212,7 +217,6 @@ namespace euf {
euf_trail_stack& get_trail_stack() { return m_trail; }
void updt_params(params_ref const& p);
void set_solver(sat::solver* s) override { m_solver = s; }
void set_lookahead(sat::lookahead* s) override { m_lookahead = s; }
void init_search() override;
double get_reward(literal l, ext_constraint_idx idx, sat::literal_occs_fun& occs) const override;
@ -285,6 +289,40 @@ namespace euf {
// diagnostics
func_decl_ref_vector const& unhandled_functions() { return m_unhandled_functions; }
// user propagator
void user_propagate_init(
void* ctx,
::solver::push_eh_t& push_eh,
::solver::pop_eh_t& pop_eh,
::solver::fresh_eh_t& fresh_eh);
bool watches_fixed(enode* n) const;
void assign_fixed(enode* n, expr* val, unsigned sz, literal const* explain);
void assign_fixed(enode* n, expr* val, literal_vector const& explain) { assign_fixed(n, val, explain.size(), explain.c_ptr()); }
void assign_fixed(enode* n, expr* val, literal explain) { assign_fixed(n, val, 1, &explain); }
void user_propagate_register_final(::solver::final_eh_t& final_eh) {
check_for_user_propagator();
m_user_propagator->register_final(final_eh);
}
void user_propagate_register_fixed(::solver::fixed_eh_t& fixed_eh) {
check_for_user_propagator();
m_user_propagator->register_fixed(fixed_eh);
}
void user_propagate_register_eq(::solver::eq_eh_t& eq_eh) {
check_for_user_propagator();
m_user_propagator->register_eq(eq_eh);
}
void user_propagate_register_diseq(::solver::eq_eh_t& diseq_eh) {
check_for_user_propagator();
m_user_propagator->register_diseq(diseq_eh);
}
unsigned user_propagate_register(expr* e) {
check_for_user_propagator();
return m_user_propagator->add_expr(e);
}
};
};