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fix #1005, disable expansion of regular expression range to union as it degrades performance significantly

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2017-05-05 10:59:47 -04:00
parent 9499fa62ac
commit 7e1fae418a
3 changed files with 9 additions and 5 deletions
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2
src/smt/theory_arith.h
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@ -505,7 +505,7 @@ namespace smt {
struct var_value_eq {
theory_arith & m_th;
var_value_eq(theory_arith & th):m_th(th) {}
bool operator()(theory_var v1, theory_var v2) const { return m_th.get_value(v1) == m_th.get_value(v2) && m_th.is_int(v1) == m_th.is_int(v2); }
bool operator()(theory_var v1, theory_var v2) const { return m_th.get_value(v1) == m_th.get_value(v2) && m_th.is_int_src(v1) == m_th.is_int_src(v2); }
};
typedef int_hashtable<var_value_hash, var_value_eq> var_value_table;