Abstract
Spark, a subset of Ada for engineering safety and security-critical systems, is designed for verification and includes a software contract language for specifying functional properties of procedures. Even though Spark and its static analysis components are beneficial and easy to use, its contract language is almost never used due to the burdens the associated tool support imposes on developers. In this paper, we present: (a) SymExe techniques for checking software contracts in embedded critical systems, and (b) Bakar Kiasan, a tool that implements these techniques in an integrated development environment for Spark. We describe a methodology for using Bakar Kiasan that provides significant increases in automation, usability, and functionality over existing Spark tools, and we present results from experiments on its application to industrial examples.
Work supported in part by the US National Science Foundation (NSF) CAREER award 0644288, the US Air Force Office of Scientific Research (AFOSR), Rockwell Collins, and the Natural Sciences and Engineering Research Council (NSERC) of Canada grant 261573.
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Belt, J., Hatcliff, J., Robby, Chalin, P., Hardin, D., Deng, X. (2011). Bakar Kiasan: Flexible Contract Checking for Critical Systems Using Symbolic Execution. In: Bobaru, M., Havelund, K., Holzmann, G.J., Joshi, R. (eds) NASA Formal Methods. NFM 2011. Lecture Notes in Computer Science, vol 6617. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20398-5_6
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DOI: https://doi.org/10.1007/978-3-642-20398-5_6
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