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fix and coallesce clique functionality

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-11-19 03:55:48 -08:00
parent 1600823435
commit ea601dd403
17 changed files with 361 additions and 119 deletions
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9
src/muz/pdr/pdr_context.cpp
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@ -584,6 +584,7 @@ namespace pdr {
init_atom(pts, rule.get_head(), var_reprs, conj, UINT_MAX);
for (unsigned i = 0; i < ut_size; ++i) {
if (rule.is_neg_tail(i)) {
dealloc(&var_reprs);
throw default_exception("PDR does not support negated predicates in rule tails");
}
init_atom(pts, rule.get_tail(i), var_reprs, conj, i);
@ -602,7 +603,13 @@ namespace pdr {
var_subst(m, false)(tail[i].get(), var_reprs.size(), (expr*const*)var_reprs.c_ptr(), tmp);
conj.push_back(tmp);
TRACE("pdr", tout << mk_pp(tail[i].get(), m) << "\n" << mk_pp(tmp, m) << "\n";);
SASSERT(is_ground(tmp));
if (!is_ground(tmp)) {
std::stringstream msg;
msg << "PDR cannot solve non-ground tails: " << tmp;
IF_VERBOSE(0, verbose_stream() << msg.str() << "\n";);
dealloc(&var_reprs);
throw default_exception(msg.str());
}
}
expr_ref fml = pm.mk_and(conj);
th_rewriter rw(m);