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Verification of Safety Properties in the Presence of Transactions

  • Reiner Hähnle
  • Wojciech Mostowski
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3362)

Abstract

The JavaCard transaction mechanism can ensure that a sequence of statements either is executed to completion or is not executed at all. Transactions make verification of JavaCard programs considerably more difficult, because they cannot be formalised in a logic based on pre- and postconditions. The KeY system includes an interactive theorem prover for JavaCard source code that models the full JavaCard standard including transactions. Based on a case study of realistic size we show the practical difficulties encountered during verification of safety properties. We provide an assessment of current JavaCard source code verification, and we make concrete suggestions towards overcoming the difficulties by design for verification. The main conclusion is that largely automatic verification of realistic JavaCard software is possible provided that it is designed with verification in mind from the start.

Keywords

Model Check Smart Card Safety Property Sequent Calculus Dynamic Logic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Reiner Hähnle
    • 1
  • Wojciech Mostowski
    • 1
  1. 1.Department of Computing ScienceChalmers University of TechnologyGöteborgSweden

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