diff options
Diffstat (limited to 'src/theory')
| -rw-r--r-- | src/theory/strings/sequences_rewriter.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/theory/strings/sequences_rewriter.cpp b/src/theory/strings/sequences_rewriter.cpp index 2a30727ba..be1bd9045 100644 --- a/src/theory/strings/sequences_rewriter.cpp +++ b/src/theory/strings/sequences_rewriter.cpp @@ -2206,7 +2206,7 @@ Node SequencesRewriter::rewriteContains(Node node) // if (str.contains z w) ---> false and (str.len w) = 1 if (StringsEntail::checkLengthOne(node[1])) { - Node ctn = d_stringsEntail.checkContains(node[1], node[0][2]); + Node ctn = d_stringsEntail.checkContains(node[0][2], node[1]); if (!ctn.isNull() && !ctn.getConst<bool>()) { Node empty = Word::mkEmptyWord(stype); @@ -2558,7 +2558,7 @@ Node SequencesRewriter::rewriteReplace(Node node) // check if contains definitely does (or does not) hold Node cmp_con = nm->mkNode(kind::STRING_STRCTN, node[0], node[1]); Node cmp_conr = Rewriter::rewrite(cmp_con); - if (!d_stringsEntail.checkContains(node[0], node[1]).isNull()) + if (cmp_conr.isConst()) { if (cmp_conr.getConst<bool>()) { |