Safety process improvement with POSE and alloy

  • Authors:
  • Derek Mannering;Jon G. Hall;Lucia Rapanotti

  • Affiliations:
  • General Dynamics UK Limited;Centre for Research in Computing, The Open University;Centre for Research in Computing, The Open University

  • Venue:
  • SAFECOMP'07 Proceedings of the 26th international conference on Computer Safety, Reliability, and Security
  • Year:
  • 2007

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Abstract

Safety Standards demand that applications demonstrate they have the required safety integrity, starting with the initial requirements phase. This paper shows how the Problem Oriented Software Engineering (POSE) framework, in conjunction with the Alloy formal method, supports this task through its ability to elaborate, transform and analyse the project requirements. The results of applying this combination to an existing design showed that process improvement can be realised through its ability to detect anomalies early in the life cycle that had previously been detected by much later (and more costly) validation work.