mirror of
https://github.com/Z3Prover/z3
synced 2026-06-21 16:10:26 +00:00
b5afa9200e
This change simplifies `seq_subset` by removing redundant/dead subset
checks introduced in recent regex-subset refactoring, while preserving
behavior. It also removes an accidentally committed profiling output and
prevents recurrence.
- **`seq_subset` dead-code reduction**
- Kept the explicit `e ⊆ a*` fast path.
- Removed the duplicate `R ⊆ R*` branch that repeated the same
star-subset recursion with a stricter depth budget.
- Clarified the remaining `a ⊆ a*` comment and cleaned trailing
whitespace.
- **Repository hygiene**
- Deleted committed runtime artifact: `gmon.out`.
- Added `gmon.out` to `.gitignore` to avoid future accidental commits.
Example of the simplification in `seq_subset.cpp`:
```cpp
// kept
// e ⊆ a*
if (m_re.is_epsilon(a) && m_re.is_star(b, b1))
return true;
// kept
// a ⊆ a*: if b = b1* and a ⊆ b1, then a ⊆ b1*
if (m_re.is_star(b, b1) && is_subset_rec(a, b1, depth))
return true;
// removed redundant case:
// - duplicate star-subset recursion at depth + 1
```
---------
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
129 lines
2 KiB
Text
129 lines
2 KiB
Text
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