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fix #3038

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-18 12:38:10 -08:00
parent 698e2ffb0b
commit 3210dce63c
1 changed files with 1 additions and 1 deletions
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2
src/ast/expr2polynomial.cpp
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@ -181,7 +181,7 @@ struct expr2polynomial::imp {
case OP_POWER: { case OP_POWER: {
rational k; rational k;
SASSERT(t->get_num_args() == 2); SASSERT(t->get_num_args() == 2);
if (!m_autil.is_numeral(t->get_arg(1), k) || !k.is_unsigned()) { if (!m_autil.is_numeral(t->get_arg(1), k) || !k.is_unsigned() || k.is_zero()) {
if (m_use_var_idxs) if (m_use_var_idxs)
throw_not_polynomial(); throw_not_polynomial();
else else