Advantages and limits of formal approaches for ultra-high dependability

  • Authors:
  • M. C. Gaudel

  • Affiliations:
  • CNRS & Universitéé de Paris-Sud Orsay, France

  • Venue:
  • IWSSD '91 Proceedings of the 6th international workshop on Software specification and design
  • Year:
  • 1991

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Abstract

This position paper discusses the advantages and limits of formal approaches to software development for achieving ultra-high dependability of critical computer systems. Among the issues to be addressed here, are: what is a formal specification? what can be done with it? what is correctness? what kind of certainty comes from a proof? and from testing? The paper does not claim to answer these questions: rather it is a formulation of the author's reflections and perplexities in this area.