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properly handle recursive function definitions #898

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-24 10:10:42 -07:00
parent 3bbe5eceeb
commit e05cee757b
5 changed files with 12 additions and 32 deletions
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2
src/smt/smt_model_checker.cpp
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@ -318,7 +318,7 @@ namespace smt {
bool model_checker::check_rec_fun(quantifier* q) {
TRACE("model_checker", tout << mk_pp(q, m) << "\n";);
SASSERT(q->get_num_patterns() == 1);
SASSERT(q->get_num_patterns() == 2); // first pattern is the function, second is the body.
expr* fn = to_app(q->get_pattern(0))->get_arg(0);
SASSERT(is_app(fn));
func_decl* f = to_app(fn)->get_decl();