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fix quantifier elimination bugs reported by Berdine and Bornat

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-07-14 16:46:27 +02:00
parent dd786bb5bf
commit 752a6b2e33

View file

@ -704,7 +704,7 @@ br_status arith_rewriter::mk_mod_core(expr * arg1, expr * arg2, expr_ref & resul
}
// propagate mod inside only if not all arguments are not already mod.
if (false && m_util.is_numeral(arg2, v2, is_int) && is_int && v2.is_pos() && (is_add(arg1) || is_mul(arg1))) {
if (m_util.is_numeral(arg2, v2, is_int) && is_int && v2.is_pos() && (is_add(arg1) || is_mul(arg1))) {
TRACE("mod_bug", tout << "mk_mod:\n" << mk_ismt2_pp(arg1, m()) << "\n" << mk_ismt2_pp(arg2, m()) << "\n";);
unsigned num_args = to_app(arg1)->get_num_args();
unsigned i;