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Fix http://z3.codeplex.com/workitem/19

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-01-24 12:51:03 -08:00
parent afaef63bfa
commit 7eaa5562d8
2 changed files with 5 additions and 0 deletions
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3
src/cmd_context/check_logic.cpp
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@ -228,6 +228,9 @@ struct check_logic::imp {
bool is_int(expr * t) {
if (m_a_util.is_uminus(t))
t = to_app(t)->get_arg(0);
// Take care of coercions automatically added by Z3
if (m_a_util.is_to_real(t))
t = to_app(t)->get_arg(0);
return m_a_util.is_numeral(t);
}