The “Wolf Fence” algorithm for debugging

@article{Gauss1982TheF,
  title={The “Wolf Fence” algorithm for debugging},
  author={E. J. Gauss},
  journal={Commun. ACM},
  year={1982},
  volume={25},
  pages={780}
}
The “Wolf Fence” method of debugging time-sharing programs in higher languages evolved from the “Lions in South Africa” method that I have taught since the vacuum-tube machine language days. It is a quickly converging iteration that serves to catch run-time errors. 
Debugging students' debugging process
Debugging- A Higher Approach