Professor Backtracking does not seem to be completely robust, there may be some examples (Stephen McCamant not found) worth investigating for issues. A good few steps would be to create test cases, identify issues in traceback functionality, and then address them.
Noted that CSE 1001 also has a lot of issues. According to one TA a majority of the people listed, there are not professors but actually other TAs. This should be looked into further for sure.
Professor Backtracking does not seem to be completely robust, there may be some examples (Stephen McCamant not found) worth investigating for issues. A good few steps would be to create test cases, identify issues in traceback functionality, and then address them.