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wip - adding proof checkers, fixes to quantifier proof certificates

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This commit is contained in:
Nikolaj Bjorner 2022-10-10 09:46:22 +02:00
parent 4623117af8
commit de69874076
16 changed files with 241 additions and 58 deletions
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21
src/sat/smt/euf_proof_checker.cpp
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@ -22,6 +22,7 @@ Author:
#include "sat/smt/euf_proof_checker.h"
#include "sat/smt/arith_proof_checker.h"
#include "sat/smt/q_proof_checker.h"
#include "sat/smt/tseitin_proof_checker.h"
#include <iostream>
namespace euf {
@ -145,10 +146,7 @@ namespace euf {
else
merge(x, y);
}
else if (m.is_not(arg, arg))
merge(arg, m.mk_false());
else
merge(arg, m.mk_true());
merge(arg, sign ? m.mk_false() : m.mk_true());
}
else if (m.is_proof(arg)) {
if (!is_app(arg))
@ -277,6 +275,7 @@ namespace euf {
add_plugin(alloc(res_proof_checker, m, *this));
add_plugin(alloc(q::proof_checker, m));
add_plugin(alloc(smt_proof_checker_plugin, m, symbol("datatype"))); // no-op datatype proof checker
add_plugin(alloc(tseitin::proof_checker, m));
}
proof_checker::~proof_checker() {
@ -302,10 +301,8 @@ namespace euf {
proof_checker_plugin* p = nullptr;
if (!m_map.find(a->get_decl()->get_name(), p))
return false;
if (!p->check(a)) {
std::cout << "(missed-hint " << mk_pp(e, m) << ")\n";
return false;
}
if (!p->check(a))
return false;
return true;
}
@ -319,14 +316,14 @@ namespace euf {
return r;
}
void proof_checker::vc(expr* e, expr_ref_vector& clause) {
bool proof_checker::vc(expr* e, expr_ref_vector const& clause, expr_ref_vector& v) {
SASSERT(is_app(e));
app* a = to_app(e);
proof_checker_plugin* p = nullptr;
if (m_map.find(a->get_name(), p))
p->vc(a, clause);
else
IF_VERBOSE(0, verbose_stream() << "there is no proof plugin for " << mk_pp(e, m) << "\n");
return p->vc(a, clause, v);
IF_VERBOSE(0, verbose_stream() << "there is no proof plugin for " << mk_pp(e, m) << "\n");
return false;
}
bool proof_checker::check(expr_ref_vector const& clause1, expr* e, expr_ref_vector & units) {