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A Static Analyzer for Large Safety-Critical Software

Authors
  • Blanchet, Bruno
  • Cousot, Patrick
  • Cousot, Radhia
  • Feret, Jerôme
  • Mauborgne, Laurent
  • Miné, Antoine
  • Monniaux, David
  • Rival, Xavier
Type
Published Article
Publication Date
Jan 30, 2007
Submission Date
Jan 30, 2007
Identifiers
DOI: 10.1145/781131.781153
arXiv ID: cs/0701193
Source
arXiv
License
Unknown
External links

Abstract

We show that abstract interpretation-based static program analysis can be made efficient and precise enough to formally verify a class of properties for a family of large programs with few or no false alarms. This is achieved by refinement of a general purpose static analyzer and later adaptation to particular programs of the family by the end-user through parametrization. This is applied to the proof of soundness of data manipulation operations at the machine level for periodic synchronous safety critical embedded software. The main novelties are the design principle of static analyzers by refinement and adaptation through parametrization, the symbolic manipulation of expressions to improve the precision of abstract transfer functions, the octagon, ellipsoid, and decision tree abstract domains, all with sound handling of rounding errors in floating point computations, widening strategies (with thresholds, delayed) and the automatic determination of the parameters (parametrized packing).

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