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fix #1662

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-30 16:47:17 -07:00
parent 6dc9c3a587
commit b9637924c4
3 changed files with 23 additions and 26 deletions
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6
src/smt/theory_str.cpp
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@ -6645,7 +6645,8 @@ namespace smt {
expr * sub1;
expr * sub2;
if (u.re.is_to_re(re, sub1)) {
SASSERT(u.str.is_string(sub1));
if (!u.str.is_string(sub1))
throw default_exception("regular expressions must be built from string literals");
zstring str;
u.str.is_string(sub1, str);
return str.length();
@ -6842,7 +6843,8 @@ namespace smt {
expr * sub1;
expr * sub2;
if (u.re.is_to_re(re, sub1)) {
SASSERT(u.str.is_string(sub1));
if (!u.str.is_string(sub1))
throw default_exception("regular expressions must be built from string literals");
zstring str;
u.str.is_string(sub1, str);
rational strlen(str.length());