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fixes to proof logging and checking

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This commit is contained in:
Nikolaj Bjorner 2022-10-15 12:42:50 +02:00
parent 4388719848
commit 993ff40826
7 changed files with 100 additions and 27 deletions
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19
src/sat/smt/euf_proof_checker.cpp
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@ -19,6 +19,7 @@ Author:
#include "ast/ast_pp.h"
#include "ast/ast_util.h"
#include "ast/ast_ll_pp.h"
#include "ast/arith_decl_plugin.h"
#include "sat/smt/euf_proof_checker.h"
#include "sat/smt/arith_proof_checker.h"
#include "sat/smt/q_proof_checker.h"
@ -58,15 +59,29 @@ namespace euf {
class eq_proof_checker : public proof_checker_plugin {
ast_manager& m;
arith_util m_arith;
expr_ref_vector m_trail;
basic_union_find m_uf;
svector<std::pair<unsigned, unsigned>> m_expr2id;
ptr_vector<expr> m_id2expr;
svector<std::pair<expr*,expr*>> m_diseqs;
svector<std::pair<expr*,expr*>> m_diseqs;
unsigned m_ts = 0;
void merge(expr* x, expr* y) {
m_uf.merge(expr2id(x), expr2id(y));
IF_VERBOSE(10, verbose_stream() << "merge " << mk_bounded_pp(x, m) << " == " << mk_bounded_pp(y, m) << "\n");
merge_numeral(x);
merge_numeral(y);
}
void merge_numeral(expr* x) {
rational n;
expr* y;
if (m_arith.is_uminus(x, y) && m_arith.is_numeral(y, n)) {
y = m_arith.mk_numeral(-n, x->get_sort());
m_trail.push_back(y);
m_uf.merge(expr2id(x), expr2id(y));
}
}
bool are_equal(expr* x, expr* y) {
@ -118,7 +133,7 @@ namespace euf {
}
public:
eq_proof_checker(ast_manager& m): m(m) {}
eq_proof_checker(ast_manager& m): m(m), m_arith(m), m_trail(m) {}
expr_ref_vector clause(app* jst) override {
expr_ref_vector result(m);