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fix #3935

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-13 10:00:42 -07:00
parent 01c12c951c
commit 5c4f775b1b
3 changed files with 11 additions and 7 deletions
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3
src/math/automata/symbolic_automata.h
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@ -120,6 +120,9 @@ private:
}
void generate_min_terms_rec(vector<ref_t> &constraints, vector<std::pair<vector<bool>, ref_t> > &min_terms, unsigned i, vector<bool> &curr_bv, ref_t &curr_pred) {
lbool is_sat = m_ba.is_sat(curr_pred);
if (is_sat == l_undef)
throw default_exception("incomplete theory: unable to generate min-terms");
if (is_sat != l_true) {
return;
}