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significant update to Horn routines: add module hnf to extract Horn normal form (removed from rule_manager). Associate proof objects with rules to track (all) rewrites, so that proof traces can be tracked back to original rules after transformations

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-03-23 14:11:54 -07:00
parent e73c06a8b0
commit 26f4d3be20
60 changed files with 591 additions and 428 deletions
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38
src/muz_qe/dl_util.cpp
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@ -511,6 +511,44 @@ namespace datalog {
pc->insert(pr);
}
void resolve_rule(rule const& r1, rule const& r2, unsigned idx,
expr_ref_vector const& s1, expr_ref_vector const& s2, rule& res) {
if (!r1.get_proof()) {
return;
}
SASSERT(r2.get_proof());
ast_manager& m = s1.get_manager();
expr_ref fml(m);
res.to_formula(fml);
vector<expr_ref_vector> substs;
svector<std::pair<unsigned, unsigned> > positions;
substs.push_back(s1);
substs.push_back(s2);
scoped_proof _sc(m);
proof_ref pr(m);
proof_ref_vector premises(m);
premises.push_back(r1.get_proof());
premises.push_back(r2.get_proof());
positions.push_back(std::make_pair(idx+1, 0));
TRACE("dl",
tout << premises[0]->get_id() << " " << mk_pp(premises[0].get(), m) << "\n";
for (unsigned i = 0; i < s1.size(); ++i) {
tout << mk_pp(s1[i], m) << " ";
}
tout << "\n";
tout << premises[1]->get_id() << " " << mk_pp(premises[1].get(), m) << "\n";
for (unsigned i = 0; i < s2.size(); ++i) {
tout << mk_pp(s2[i], m) << " ";
}
tout << "\n";
);
pr = m.mk_hyper_resolve(2, premises.c_ptr(), fml, positions, substs);
res.set_proof(m, pr);
}
class skip_model_converter : public model_converter {
public:
skip_model_converter() {}