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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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14
src/muz_qe/dl_mk_rule_inliner.cpp
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@ -181,10 +181,10 @@ namespace datalog {
}
if (m_unifier.apply(tgt, tail_index, src, res)) {
if (m_pc) {
if (m_context.generate_proof_trace()) {
expr_ref_vector s1 = m_unifier.get_rule_subst(tgt, true);
expr_ref_vector s2 = m_unifier.get_rule_subst(src, false);
datalog::resolve_rule(m_pc, tgt, src, tail_index, s1, s2, *res.get());
datalog::resolve_rule(tgt, src, tail_index, s1, s2, *res.get());
}
return true;
}
@ -837,11 +837,10 @@ namespace datalog {
return done_something;
}
rule_set * mk_rule_inliner::operator()(rule_set const & source, model_converter_ref& mc, proof_converter_ref& pc) {
rule_set * mk_rule_inliner::operator()(rule_set const & source, model_converter_ref& mc) {
bool something_done = false;
ref<horn_subsume_model_converter> hsmc;
ref<replace_proof_converter> hpc;
if (source.get_num_rules() == 0) {
return 0;
@ -858,11 +857,7 @@ namespace datalog {
if (mc) {
hsmc = alloc(horn_subsume_model_converter, m);
}
if (pc) {
hpc = alloc(replace_proof_converter, m);
}
m_mc = hsmc.get();
m_pc = hpc.get();
scoped_ptr<rule_set> res = alloc(rule_set, m_context);
@ -889,9 +884,6 @@ namespace datalog {
if (mc) {
mc = concat(mc.get(), hsmc.get());
}
if (pc) {
pc = concat(pc.get(), hpc.get());
}
}
return res.detach();