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Non-intrusive Repair of Reactive Programs

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4 Author(s)
Harel, D. ; Dept. of Comput. Sci. & Appl. Math., Weizmann Inst. of Sci., Rehovot, Israel ; Katz, G. ; Marron, A. ; Weiss, G.

We show how, under certain conditions, programs written in the behavioral programming approach can be modified (e.g., as result of new requirements or discovered bugs) using automatically-generated code modules. Given a trace of undesired behavior, one can generate a relatively small piece of code, whose execution is interwoven at run time with the rest of the system and brings about the desired changes without modifying existing code, and without introducing new bugs. At the core of our approach is the ability of a thread of behavior to prevent the triggering of events from other threads. Our repair algorithms apply model checking to the program and transform the counterexamples produced by the model-checker into corrective modules. Our work is supported by a proof-of-concept tool, which creates understandable modules that can be further manually managed as part of ongoing incremental system development.

Published in:

Engineering of Complex Computer Systems (ICECCS), 2012 17th International Conference on

Date of Conference:

18-20 July 2012

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