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fix #3035

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-18 01:06:00 -10:00
parent 98bd437e46
commit 559c3ca012
5 changed files with 43 additions and 21 deletions
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7
src/smt/smt_model_checker.cpp
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@ -165,6 +165,9 @@ namespace smt {
void model_checker::assert_neg_q_m(quantifier * q, expr_ref_vector & sks) {
expr_ref tmp(m);
TRACE("model_checker", tout << "curr_model:\n"; model_pp(tout, *m_curr_model););
if (!m_curr_model->eval(q->get_expr(), tmp, true)) {
return;
}
@ -395,6 +398,7 @@ namespace smt {
args[i] = e->get_arg(i);
}
tmp = sub(q->get_expr(), num_decls, args.c_ptr());
TRACE("model_checker", tout << "curr_model:\n"; model_pp(tout, *m_curr_model););
m_curr_model->eval(tmp, result, true);
if (strict_rec_fun ? !m.is_true(result) : m.is_false(result)) {
add_instance(q, args, 0, nullptr);
@ -438,6 +442,9 @@ namespace smt {
m_curr_model = md;
m_value2expr.reset();
TRACE("model_checker", tout << "MODEL_CHECKER INVOKED\n";
tout << "model:\n"; model_pp(tout, *m_curr_model););
md->compress();
TRACE("model_checker", tout << "MODEL_CHECKER INVOKED\n";