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check for negation, not complement

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This commit is contained in:
Nikolaj Bjorner 2020-07-28 11:30:35 -07:00
parent 42b42dd89a
commit 4628cb8e79
1 changed files with 2 additions and 2 deletions
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4
src/ast/rewriter/seq_rewriter.cpp
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@ -2493,8 +2493,8 @@ expr_ref seq_rewriter::mk_der_op_rec(decl_kind k, expr* a, expr* b) {
unsigned ch;
if (u().is_char_le(e, ch1, ch2) && u().is_const_char(ch2, ch))
return ch;
// Fallback: use expression ID (but use same ID for complement)
re().is_complement(e, e);
// Fallback: use expression ID (but use same ID for negation)
m().is_not(e, e);
return e->get_id();
};
if (m().is_ite(a, ca, a1, a2)) {