Reflections on the Role of Static Analysis in Cooperative Bug Isolation

  • Authors:
  • Ben Liblit

  • Affiliations:
  • Computer Sciences Department, University of Wisconsin---Madison,

  • Venue:
  • SAS '08 Proceedings of the 15th international symposium on Static Analysis
  • Year:
  • 2008

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Abstract

Cooperative Bug Isolation (CBI) is a feedback-directed approach to improving software quality. Developers provide instrumented applications to the general public, and then use statistical methods to mine returned data for information about the root causes of failure. Thus, users and developers form a feedback loop of continuous software improvement. Given CBI's focus on statistical methods and dynamic data collection, it is not clear how static program analysis can most profitably be employed. We discuss current uses of static analysis during CBI instrumentation and failure modeling. We propose novel ways in which static analysis could be applied at various points along the CBI feedback loop, from fairly concrete low-level optimization opportunities to hybrid failure-modeling approaches that may cut across current static/dynamic/statistical boundaries.