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recursive function definitions; combine model-building functionality

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-03 07:59:03 -08:00
parent 6fa2338edc
commit 7c6540e18f
19 changed files with 129 additions and 173 deletions
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13
src/smt/smt_model_checker.cpp
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@ -322,20 +322,17 @@ namespace smt {
for (; it != end; ++it) {
if (m_context->is_relevant(*it)) {
app* e = (*it)->get_owner();
for (unsigned i = 0; i < e->get_num_args(); ++i) {
args[num_decls - i - 1] = e->get_arg(i);
SASSERT(e->get_num_args() == num_decls);
for (unsigned i = 0; i < num_decls; ++i) {
args[i] = e->get_arg(i);
}
sub(q->get_expr(), num_decls, args.c_ptr(), tmp);
m_curr_model->eval(tmp, result, true);
if (m.is_true(result)) {
continue;
}
if (m.is_false(result)) {
TRACE("model_checker", tout << tmp << "\nevaluates to:\n" << result << "\n";);
add_instance(q, args, 0);
return false;
}
TRACE("model_checker", tout << tmp << "evaluates to undetermined " << result << "\n";);
is_undef = true;
}
}
return !is_undef;
@ -395,7 +392,7 @@ namespace smt {
verbose_stream() << "(smt.mbqi :checking " << q->get_qid() << ")\n";
}
found_relevant = true;
if (q->get_qid() == symbol(":rec-fun")) {
if (m.is_rec_fun_def(q)) {
if (!check_rec_fun(q)) {
num_failures++;
}