diff options
| -rw-r--r-- | src/expr/node.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/expr/node.cpp b/src/expr/node.cpp index 0503c7932..fdb1e4d90 100644 --- a/src/expr/node.cpp +++ b/src/expr/node.cpp @@ -181,6 +181,10 @@ bool NodeTemplate<ref_count>::hasFreeVar() } // must visit quantifiers again to clean up below visited[cur] = !isQuant; + if (cur.hasOperator()) + { + visit.push_back(cur.getOperator()); + } for (const TNode& cn : cur) { visit.push_back(cn); |