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Master Thesis Defense - August 5, 2020: Automatic Transformation-Based Model Checking of Multi-Agent Systems

August 5, 2020
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Amine Laarej

Wednesday, August 5, 2020 at 2:00 p.m.
Via Zoom

You are invited to attend the following M.A.Sc. (Quality Systems Engineering) thesis examination.

Examining Committee

Dr. A. Ben Hamza, Chair
Dr. J. Bentahar, Supervisor
Dr. R. Dssouli, Supervisor
Dr. A. Ben Hamza, CIISE Examiner
Dr. J. Rilling, External Examiner (CSE)

 

Abstract

Multi-Agent Systems (MASs) are highly useful constructs in the context of real-world software applications. Built upon communication and interaction between autonomous agents, these systems are suitable to model and implement intelligent applications. Yet these desirable features are precisely what makes these systems very challenging to design, and their compliance with requirements extremely difficult to verify. This explains the need for the development of techniques and tools to model, understand and implement interacting MASs. Among the different methods developed, the design-time verification techniques for MASs based on model checking offer the advantage of being formal and fully automated. We can distinguish between two different approaches used in model checking MASs, the direct verification approach, and the transformation-based approach. This thesis focuses on the later that relies on formal reduction techniques to transform the problem of model checking a source logic into that of an equivalent problem of model checking a target logic.

In this thesis, we propose a new transformation framework leveraging the model checking of the computation tree logic (CTL) and its NuSMV model checker to design and implement the process of transformation-based model checking for CTL-extension logics to MASc. The approach provides an integrated system with a rich set of features, designed to support the transformation process while simplifying the most challenging and error-prone tasks. The thesis presents and describes the tool built upon this framework and its different applications. A performance comparison with MCMAS, the model checker of MASs, is also discussed.

Graduate Program Coordinators

For more information, contact Silvie Pasquarelli or Mireille Wahba.




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