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| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2021-05-19 17:50:43 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-05-19 22:50:43 +0000 |
| commit | cc0fa2849b96d228bb5ab43d0497a7b077a00099 (patch) | |
| tree | 8ed71b6004eb99e659dc431042d91941fe1f5da5 | |
| parent | 7d1672babd2a4857c7726bd86d26584f69043db9 (diff) | |
Pass empty vector when constructing re empty, fixes rewrite (#6576)
Fixes #6567.
| -rw-r--r-- | src/theory/strings/sequences_rewriter.cpp | 3 | ||||
| -rw-r--r-- | test/regress/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | test/regress/regress1/strings/issue6567-empty-re-range.smt2 | 4 |
3 files changed, 7 insertions, 1 deletions
diff --git a/src/theory/strings/sequences_rewriter.cpp b/src/theory/strings/sequences_rewriter.cpp index e827e87d3..bc77a9bc5 100644 --- a/src/theory/strings/sequences_rewriter.cpp +++ b/src/theory/strings/sequences_rewriter.cpp @@ -1151,7 +1151,8 @@ Node SequencesRewriter::rewriteRangeRegExp(TNode node) if (ch[0] > ch[1]) { // re.range( "B", "A" ) ---> re.none - Node retNode = nm->mkNode(REGEXP_EMPTY, {}); + std::vector<Node> emptyVec; + Node retNode = nm->mkNode(REGEXP_EMPTY, emptyVec); return returnRewrite(node, retNode, Rewrite::RE_RANGE_EMPTY); } return node; diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt index 1478ae072..fe034c519 100644 --- a/test/regress/CMakeLists.txt +++ b/test/regress/CMakeLists.txt @@ -2086,6 +2086,7 @@ set(regress_1_tests regress1/strings/issue6270.smt2 regress1/strings/issue6271-rnf.smt2 regress1/strings/issue6271-2-rnf.smt2 + regress1/strings/issue6567-empty-re-range.smt2 regress1/strings/kaluza-fl.smt2 regress1/strings/loop002.smt2 regress1/strings/loop003.smt2 diff --git a/test/regress/regress1/strings/issue6567-empty-re-range.smt2 b/test/regress/regress1/strings/issue6567-empty-re-range.smt2 new file mode 100644 index 000000000..abf2fd294 --- /dev/null +++ b/test/regress/regress1/strings/issue6567-empty-re-range.smt2 @@ -0,0 +1,4 @@ +(set-logic ALL) +(set-info :status sat) +(assert (str.in_re "" (re.* (re.range "b" "a")))) +(check-sat) |