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fix consistency check involving strings with escape characters

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This commit is contained in:
Murphy Berzish 2017-05-13 16:13:32 -04:00
parent 14355a15c8
commit 3c692a37eb
1 changed files with 8 additions and 2 deletions
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10
src/smt/theory_str.cpp
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@ -5914,8 +5914,14 @@ namespace smt {
app * n2_curr = to_app(n2); app * n2_curr = to_app(n2);
// case 0: n1_curr is const string, n2_curr is const string // case 0: n1_curr is const string, n2_curr is const string
if (u.str.is_string(n1_curr) && u.str.is_string(n2_curr)) { zstring n1_curr_str, n2_curr_str;
if (n1_curr != n2_curr) { if (u.str.is_string(n1_curr, n1_curr_str) && u.str.is_string(n2_curr, n2_curr_str)) {
TRACE("str", tout << "checking string constants: n1=" << n1_curr_str << ", n2=" << n2_curr_str << std::endl;);
if (n1_curr_str == n2_curr_str) {
// TODO(mtrberzi) potential correction: if n1_curr != n2_curr,
// assert that these two terms are in fact equal, because they ought to be
return true;
} else {
return false; return false;
} }
} }