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fix handling of AC operator ++ on regular expressions. Issue #804

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-11-22 13:02:17 -08:00
parent 71ca355257
commit 7a4c20698f
3 changed files with 6 additions and 2 deletions
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3
src/ast/well_sorted.cpp
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@ -44,7 +44,8 @@ struct well_sorted_proc {
void operator()(app * n) {
unsigned num_args = n->get_num_args();
func_decl * decl = n->get_decl();
if (num_args != decl->get_arity() && !decl->is_associative()) {
if (num_args != decl->get_arity() && !decl->is_associative() &&
!decl->is_right_associative() && !decl->is_left_associative()) {
TRACE("ws", tout << "unexpected number of arguments.\n" << mk_ismt2_pp(n, m_manager););
warning_msg("unexpected number of arguments.");
m_error = true;