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Merge branch 'master' into polysat

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This commit is contained in:
Jakob Rath 2022-09-23 17:14:26 +02:00
commit 1df749ad33
368 changed files with 12363 additions and 6152 deletions
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29
src/sat/smt/bv_solver.h
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@ -27,6 +27,15 @@ namespace euf {
namespace bv {
struct lazy_mul {
expr_ref_vector m_out;
unsigned m_bits;
lazy_mul(app* a, expr_ref_vector& out):
m_out(out),
m_bits(0) {
}
};
class solver : public euf::th_euf_solver {
typedef rational numeral;
typedef euf::theory_var theory_var;
@ -52,13 +61,15 @@ namespace bv {
};
struct bv_justification {
enum kind_t { eq2bit, ne2bit, bit2eq, bit2ne };
enum kind_t { eq2bit, ne2bit, bit2eq, bit2ne, bv2int };
kind_t m_kind;
unsigned m_idx{ UINT_MAX };
theory_var m_v1{ euf::null_theory_var };
theory_var m_v2 { euf::null_theory_var };
unsigned m_idx = UINT_MAX;
theory_var m_v1 = euf::null_theory_var;
theory_var m_v2 = euf::null_theory_var;
sat::literal m_consequent;
sat::literal m_antecedent;
euf::enode* a, *b, *c;
bv_justification(theory_var v1, theory_var v2, sat::literal c, sat::literal a) :
m_kind(bv_justification::kind_t::eq2bit), m_v1(v1), m_v2(v2), m_consequent(c), m_antecedent(a) {}
bv_justification(theory_var v1, theory_var v2):
@ -67,6 +78,8 @@ namespace bv {
m_kind(bv_justification::kind_t::bit2ne), m_idx(idx), m_consequent(c) {}
bv_justification(unsigned idx, theory_var v1, theory_var v2, sat::literal c, sat::literal a) :
m_kind(bv_justification::kind_t::ne2bit), m_idx(idx), m_v1(v1), m_v2(v2), m_consequent(c), m_antecedent(a) {}
bv_justification(theory_var v1, theory_var v2, euf::enode* a, euf::enode* b, euf::enode* c):
m_kind(bv_justification::kind_t::bv2int), m_v1(v1), m_v2(v2), a(a), b(b), c(c) {}
sat::ext_constraint_idx to_index() const {
return sat::constraint_base::mem2base(this);
}
@ -80,6 +93,7 @@ namespace bv {
sat::ext_justification_idx mk_bit2eq_justification(theory_var v1, theory_var v2);
sat::justification mk_bit2ne_justification(unsigned idx, sat::literal c);
sat::justification mk_ne2bit_justification(unsigned idx, theory_var v1, theory_var v2, sat::literal c, sat::literal a);
sat::ext_constraint_idx mk_bv2int_justification(theory_var v1, theory_var v2, euf::enode* a, euf::enode* b, euf::enode* c);
void log_drat(bv_justification const& c);
@ -210,8 +224,10 @@ namespace bv {
literal_vector m_tmp_literals;
svector<propagation_item> m_prop_queue;
unsigned_vector m_prop_queue_lim;
unsigned m_prop_queue_head { 0 };
sat::literal m_true { sat::null_literal };
unsigned m_prop_queue_head = 0;
sat::literal m_true = sat::null_literal;
euf::enode_vector m_bv2ints;
obj_map<app, lazy_mul*> m_lazymul;
// internalize
void insert_bv2a(bool_var bv, atom * a) { m_bool_var2atom.setx(bv, a, 0); }
@ -312,6 +328,7 @@ namespace bv {
bool m_cheap_axioms{ true };
bool should_bit_blast(app * n);
bool check_delay_internalized(expr* e);
bool check_lazy_mul(app* e, expr* mul_value, expr* arg_value);
bool check_mul(app* e);
bool check_mul_invertibility(app* n, expr_ref_vector const& arg_values, expr* value);
bool check_mul_zero(app* n, expr_ref_vector const& arg_values, expr* value1, expr* value2);