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wip - add bit-vector validator plugins and logging

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This commit is contained in:
Nikolaj Bjorner 2022-10-18 14:50:21 -07:00
parent 464d52babe
commit cdfab8cb13
8 changed files with 272 additions and 23 deletions
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16
src/sat/smt/bv_solver.h
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@ -35,6 +35,9 @@ namespace bv {
}
};
class solver : public euf::th_euf_solver {
typedef rational numeral;
typedef euf::theory_var theory_var;
@ -94,8 +97,19 @@ namespace bv {
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);
class proof_hint : public euf::th_proof_hint {
bv_justification::kind_t m_kind;
sat::literal_vector& m_proof_literals;
unsigned m_lit_head, m_lit_tail;
expr* a1 = nullptr, * a2 = nullptr, * b1 = nullptr, * b2 = nullptr;
public:
proof_hint(bv_justification::kind_t k, sat::literal_vector& pl, unsigned lh, unsigned lt, expr* a1 = nullptr, expr* a2 = nullptr, expr* b1 = nullptr, expr* b2 = nullptr) :
m_kind(k), m_proof_literals(pl), m_lit_head(lh), m_lit_tail(lt), a1(a1), a2(a2), b1(b1), b2(b2) {}
expr* get_hint(euf::solver& s) const override;
};
sat::literal_vector m_proof_literals;
unsigned m_lit_head = 0, m_lit_tail = 0;
/**
\brief Structure used to store the position of a bitvector variable that
contains the true_literal/false_literal.