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bound length of ubv2s

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-07-16 16:17:59 +02:00
parent 8e9bc86c23
commit 9e5dcf3ecb
5 changed files with 22 additions and 0 deletions
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1
src/ast/rewriter/seq_rewriter.cpp
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@ -3363,6 +3363,7 @@ expr_ref seq_rewriter::mk_derivative_rec(expr* ele, expr* r) {
}
expr* e1 = nullptr, *e2 = nullptr;
if (str().is_unit(r1, e1) && str().is_unit(r2, e2)) {
SASSERT(u().is_char(e1));
// Use mk_der_cond to normalize
STRACE("seq_verbose", tout << "deriv range str" << std::endl;);
expr_ref p1(u().mk_le(e1, ele), m());