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fix variable naming bug for internal (fresh) constants clashing with external names

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-28 16:11:29 -07:00
parent ba53fc1230
commit 2774d6896b
5 changed files with 25 additions and 27 deletions
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16
src/ast/ast_smt_pp.cpp
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@ -70,7 +70,10 @@ symbol smt_renaming::fix_symbol(symbol s, int k) {
return symbol(buffer.str().c_str());
}
if (is_smt2_quoted_symbol(s)) {
if (!s.bare_str()) {
buffer << "null";
}
else if (is_smt2_quoted_symbol(s)) {
buffer << mk_smt2_quoted_symbol(s);
}
else {
@ -129,14 +132,21 @@ smt_renaming::smt_renaming() {
}
}
// Ensure that symbols that are used both with skolems and non-skolems are named apart.
symbol smt_renaming::get_symbol(symbol s0, bool is_skolem) {
sym_b sb;
symbol s;
if (m_translate.find(s0, sb)) {
if (is_skolem == sb.is_skolem)
return sb.name;
NOT_IMPLEMENTED_YET();
int k = 0;
symbol s1;
do {
s = fix_symbol(s0, k++);
}
while (s == s0 || (m_rev_translate.find(s, s1) && s1 != s0));
m_rev_translate.insert(s, s0);
return s;
}
int k = 0;