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fix #1621

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-18 14:30:27 -07:00
parent 925867dc3e
commit d462ed3f00
1 changed files with 7 additions and 3 deletions
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10
src/util/smt2_util.cpp
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@ -34,10 +34,14 @@ bool is_smt2_quoted_symbol(char const * s) {
if ('0' <= s[0] && s[0] <= '9')
return true;
unsigned len = static_cast<unsigned>(strlen(s));
if (len > 2 && s[0] == '|' && s[len-1] == '|') {
for (unsigned i = 1; i + 1 < len; i++)
if (!is_smt2_simple_symbol_char(s[i]))
if (len >= 2 && s[0] == '|' && s[len-1] == '|') {
for (unsigned i = 1; i + 1 < len; i++) {
if (s[i] == '\\' && i + 2 < len && (s[i+1] == '\\' || s[i+1] == '|')) {
i++;
}
else if (s[i] == '\\' || s[i] == '|')
return true;
}
return false;
}
for (unsigned i = 0; i < len; i++)