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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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13
src/muz_qe/tab_context.cpp
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@ -1644,9 +1644,7 @@ namespace datalog {
void resolve_rule(replace_proof_converter& pc, tb::clause const& r1, tb::clause const& r2,
expr_ref_vector const& s1, expr_ref_vector const& s2, tb::clause const& res) const {
unsigned idx = r1.get_predicate_index();
expr_ref fml1 = r1.to_formula();
expr_ref fml2 = r2.to_formula();
expr_ref fml3 = res.to_formula();
expr_ref fml = res.to_formula();
vector<expr_ref_vector> substs;
svector<std::pair<unsigned, unsigned> > positions;
substs.push_back(s1);
@ -1654,13 +1652,12 @@ namespace datalog {
scoped_proof _sc(m);
proof_ref pr(m);
proof_ref_vector premises(m);
premises.push_back(m.mk_asserted(fml1));
premises.push_back(m.mk_asserted(fml2));
premises.push_back(m.mk_asserted(r1.to_formula()));
premises.push_back(m.mk_asserted(r2.to_formula()));
positions.push_back(std::make_pair(idx+1, 0));
pr = m.mk_hyper_resolve(2, premises.c_ptr(), fml3, positions, substs);
pr = m.mk_hyper_resolve(2, premises.c_ptr(), fml, positions, substs);
pc.insert(pr);
}
}
};
tab::tab(context& ctx):