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adding euf

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-31 14:36:16 -07:00
parent 314bd9277b
commit 4d41db3028
26 changed files with 353 additions and 152 deletions
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39
src/sat/smt/euf_solver.h
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@ -66,6 +66,7 @@ namespace euf {
atom2bool_var& m_expr2var;
sat::sat_internalizer& si;
smt_params m_config;
bool m_drat { false };
euf::egraph m_egraph;
stats m_stats;
region m_region;
@ -104,7 +105,7 @@ namespace euf {
void add_distinct_axiom(app* e, euf::enode* const* args);
void add_not_distinct_axiom(app* e, euf::enode* const* args);
void axiomatize_basic(enode* n);
bool internalize_root(app* e, enode* const* args, bool sign);
bool internalize_root(app* e, bool sign);
euf::enode* mk_true();
euf::enode* mk_false();
@ -127,6 +128,10 @@ namespace euf {
void propagate();
void get_antecedents(literal l, constraint& j, literal_vector& r);
void force_push();
void log_antecedents(std::ostream& out, literal l, literal_vector const& r);
void log_antecedents(literal l, literal_vector const& r);
void log_node(enode* n);
void log_bool_var(sat::bool_var v, enode* n);
constraint& mk_constraint(constraint*& c, constraint::kind_t k);
constraint& conflict_constraint() { return mk_constraint(m_conflict, constraint::kind_t::conflict); }
@ -155,26 +160,28 @@ namespace euf {
if (m_lit) dealloc(sat::constraint_base::mem2base_ptr(m_lit));
}
struct scoped_set_translate {
solver& s;
scoped_set_translate(solver& s, ast_manager& m, atom2bool_var& a2b, sat::sat_internalizer& si) :
s(s) {
s.m_to_m = &m;
s.m_to_expr2var = &a2b;
s.m_to_si = &si;
}
~scoped_set_translate() {
s.m_to_m = &s.m;
s.m_to_expr2var = &s.m_expr2var;
s.m_to_si = &s.si;
}
};
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; }
struct scoped_set_translate {
solver& s;
scoped_set_translate(solver& s, ast_manager& m, atom2bool_var& a2b, sat::sat_internalizer& si) :
s(s) {
s.m_to_m = &m;
s.m_to_expr2var = &a2b;
s.m_to_si = &si;
}
~scoped_set_translate() {
s.m_to_m = &s.m;
s.m_to_expr2var = &s.m_expr2var;
s.m_to_si = &s.si;
}
};
void init_search() override;
double get_reward(literal l, ext_constraint_idx idx, sat::literal_occs_fun& occs) const override;
bool is_extended_binary(ext_justification_idx idx, literal_vector& r) override;
bool is_external(bool_var v) override;
bool propagate(literal l, ext_constraint_idx idx) override;
void get_antecedents(literal l, ext_justification_idx idx, literal_vector & r) override;
void asserted(literal l) override;