Yesterday, my program worked. Today, it does not. Why?

• DOI: 10.1145/318774.318946
• Publication Date: 2004-07-21T23:30:10Z
• Authors: Andreas Zeller
• Keywords: Yesterday

Imagine some program and a number of changes. If none these changes is applied (“yesterday”), the works. all are (“today”), does not work. Which change responsible for failure? We present an efficient algorithm that determines minimal set failure-inducing Our delta debugging prototype tracked down single from 178,000 changed GDB lines within few hours.