Hi,
I am trying to build a simple formula using pySMT; however, I keep getting this error for any formula (TypeError: unhashable type: 'ArithRef')l even for the Hello World example you have online…
When I try to run the code, e.g., PYTHONPATH=. python -B ai_safety_gridworlds/environments/safe_interruptibility.py, the following error occurs even though I follow the same setting in README, i.e., p…