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wip - proof hints

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This commit is contained in:
Nikolaj Bjorner 2022-10-08 20:12:57 +02:00
parent 6796ea7e49
commit 4623117af8
10 changed files with 176 additions and 29 deletions
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24
src/sat/smt/euf_proof_checker.cpp
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@ -145,8 +145,10 @@ namespace euf {
else
merge(x, y);
}
else
IF_VERBOSE(0, verbose_stream() << "TODO " << mk_pp(arg, m) << " " << sign << "\n");
else if (m.is_not(arg, arg))
merge(arg, m.mk_false());
else
merge(arg, m.mk_true());
}
else if (m.is_proof(arg)) {
if (!is_app(arg))
@ -274,6 +276,7 @@ namespace euf {
add_plugin(alloc(eq_proof_checker, m));
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
}
proof_checker::~proof_checker() {
@ -317,8 +320,13 @@ namespace euf {
}
void proof_checker::vc(expr* e, expr_ref_vector& clause) {
SASSERT(is_app(e) && m_map.contains(to_app(e)->get_name()));
m_map[to_app(e)->get_name()]->vc(to_app(e), clause);
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");
}
bool proof_checker::check(expr_ref_vector const& clause1, expr* e, expr_ref_vector & units) {
@ -347,5 +355,13 @@ namespace euf {
return true;
}
expr_ref_vector smt_proof_checker_plugin::clause(app* jst) {
expr_ref_vector result(m);
SASSERT(jst->get_name() == m_rule);
for (expr* arg : *jst)
result.push_back(mk_not(m, arg));
return result;
}
}