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Lifelong Learning of Reactive Systems in Practice

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The Logic of Software. A Tasting Menu of Formal Methods

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 13360))

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Abstract

This paper presents our lifelong learning framework for continuous quality control. The framework integrates automata learning, model checking, and monitoring into a six-phase continuous improvement cycle which is designed to capture entire system life-cycles. The technical backbone of our framework is ALEX, an open source, web-based learning tool for defining adequate test blocks, as well as for serving as test execution environment and as platform for learning Mealy machines. Keys to the industrial success of our framework are a) the guarantee that the level of quality can only increase when using our framework, b) the continuous improvement of originally customer-provided (regression) test suites, c) the maintenance of achieved quality levels even across system changes, and d) the visualization of system changes using automatically generated difference trees and difference automata. All this is illustrated using an adaptive cruise control system (ACC) that has been implemented in a one year students project.

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Notes

  1. 1.

    [m/s] refers to the unit of meters per second.

  2. 2.

    c.f. https://www.iso.org/standard/71515.html.

  3. 3.

    https://learnlib.github.io/alex/.

  4. 4.

    https://github.com/Learnlib/learnlib.

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Authors and Affiliations

  1. TU Dortmund University, 44227, Dortmund, Germany

    Alexander Bainczyk, Bernhard Steffen & Falk Howar

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  1. Alexander Bainczyk
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  2. Bernhard Steffen
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  3. Falk Howar
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Correspondence to Alexander Bainczyk , Bernhard Steffen or Falk Howar .

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Editors and Affiliations

  1. Chalmers University of Technology, Gothenburg, Sweden

    Wolfgang Ahrendt

  2. Karlsruhe Institute of Technology, Karlsruhe, Germany

    Bernhard Beckert

  3. TU Darmstadt, Darmstadt, Germany

    Richard Bubel

  4. University of Oslo, Oslo, Norway

    Einar Broch Johnsen

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Bainczyk, A., Steffen, B., Howar, F. (2022). Lifelong Learning of Reactive Systems in Practice. In: Ahrendt, W., Beckert, B., Bubel, R., Johnsen, E.B. (eds) The Logic of Software. A Tasting Menu of Formal Methods. Lecture Notes in Computer Science, vol 13360. Springer, Cham. https://doi.org/10.1007/978-3-031-08166-8_3

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  • DOI: https://doi.org/10.1007/978-3-031-08166-8_3

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