Abstract
.While formal methods have proved to be unfeasible for large scale systems, argument-based safety cases offer a plausible alternative basis for certification of critical software. Our proposed method for increasing safety combines formal methods with argumentation-based reasoning. In a first step, we provide a formal representation of the the argumentative-based Goal Structuring Notation (GSN) standard used in industry. In a second step, our solution exploits reasoning in description logic to identify assurance deficits in the GSN model. The identified flaws are given to a hybrid logic-based model checker to be validated against a Kripke model. The method is illustrated for an unmanned aerial vehicle software, with reasoning performed in RacerPro engine and the HLMC model checker based on hybrid logic.
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Acknowledgments
This work was supported by the Romania-Moldova Bilateral Agreement entitled ”ASDEC: Structural Argumentation for Decision Support with Normative Constraints”, from the National Research Council of the Romanian Ministry of Education and Research and Moldova Ministry of Education.
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Groza, A., Letia, I.A., Goron, A., Zaporojan, S. (2015). A formal approach for identifying assurance deficits in unmanned aerial vehicle software. In: Selvaraj, H., Zydek, D., Chmaj, G. (eds) Progress in Systems Engineering. Advances in Intelligent Systems and Computing, vol 366. Springer, Cham. https://doi.org/10.1007/978-3-319-08422-0_35
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DOI: https://doi.org/10.1007/978-3-319-08422-0_35
Publisher Name: Springer, Cham
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