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<https://github.com/The-OpenROAD-Project/OpenLane/issues/1578|#1578 antenna violations are -1>
Issue created by <https://github.com/mattvenn|mattvenn>
*Description*

in metrics.csv, antenna violations are reported as -1, which is wrong. Should be 0 or more.  
Is antenna checks no longer running?

*Expected Behavior*

show a real result

*Environment report*

```
Kernel: Linux v5.15.0-53-generic
Distribution: ubuntu 20.04
Python: v3.8.10 (OK)
Container Engine: docker v20.10.7 (OK)
OpenLane Git Version: cb59d1f84deb5cedbb5b0a3e3f3b4129a967c988
pip: INSTALLED
python-venv: INSTALLED
---
PDK Version Verification Status: MISMATCH
The version of open_pdks used in building the PDK does not match the version OpenLane was tested on (installed: 0059588eebfc704681dc2368bd1d33d96281d10f, tested: 3af133706e554a740cfe60f21e773d9eaa41838c)
This may introduce some issues. You may want to re-install the PDK by invoking `make pdk`.
---
Git Log (Last 3 Commits)

cb59d1f 2022-11-18T18:42:38+02:00 fix return values in `equally_spaced_sequence` (#1503) - Kareem Farid -  (grafted, HEAD, tag: 2022.11.19)
---
Git Remotes

origin  <https://github.com/The-OpenROAD-Project/OpenLane> (fetch)
origin  <https://github.com/The-OpenROAD-Project/OpenLane> (push)
```

*Reproduction material*

n/a

run the tools on spm demo design. open the metrics.csv

*Relevant log output*

```
n/a
```
<https://github.com/The-OpenROAD-Project/OpenLane|The-OpenROAD-Project/OpenLane>