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working on quantifiers

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-26 17:55:40 -08:00
parent 4f7dd08c38
commit 8612c89c54
7 changed files with 146 additions and 39 deletions
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20
src/muz_qe/pdr_context.cpp
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@ -731,17 +731,15 @@ namespace pdr {
TRACE("pdr", model_smt2_pp(tout, m, get_model(), 0););
func_decl* f = p.head();
unsigned arity = f->get_arity();
model_ref model = get_model_ptr();
expr_ref_vector args(m);
func_decl_ref v(m);
expr_ref v(m);
model_evaluator mev(m);
for (unsigned i = 0; i < arity; ++i) {
v = pm.o2n(p.sig(i),0);
expr* e = get_model().get_const_interp(v);
if (e) {
args.push_back(e);
}
else {
args.push_back(m.mk_const(v));
}
v = m.mk_const(pm.o2n(p.sig(i),0));
expr_ref e = mev.eval(model, v);
args.push_back(e);
}
return expr_ref(m.mk_app(f, args.size(), args.c_ptr()), m);
}
@ -1833,7 +1831,7 @@ namespace pdr {
pr = m.mk_asserted(m.mk_true());
for (unsigned i = 0; i < vars.size(); ++i) {
if (smt::is_value_sort(m, vars[i].get())) {
VERIFY (M->eval(vars[i].get(), tmp, true));
tmp = mev.eval(M, vars[i].get());
sub.insert(vars[i].get(), tmp, pr);
}
}
@ -1866,7 +1864,7 @@ namespace pdr {
for (unsigned j = 1; j < indices.size(); ++j) {
ptr_vector<app> const& vs = vars[indices[j]];
for (unsigned k = 0; k < vs.size(); ++k) {
M->eval(vs[k]->get_decl(), tmp);
tmp = mev.eval(M, vs[k]);
sub.insert(vs[k], tmp, pr);
child_states[indices[j]].push_back(m.mk_eq(vs[k], tmp));
}