Clone detection in automotive model-based development

  • Authors:

  • Florian Deissenboeck;Benjamin Hummel;Elmar Jürgens;Bernhard Schätz;Stefan Wagner;Jean-François Girard;Stefan Teuchert

  • Affiliations:

  • Technische Universität München, Garching bei München, Germany;Technische Universität München, Garching bei München, Germany;Technische Universität München, Garching bei München, Germany;Technische Universität München, Garching bei München, Germany;Technische Universität München, Garching bei München, Germany;MAN Nutzfahrzeuge AG, München, Germany;MAN Nutzfahrzeuge AG, München, Germany

  • Venue:
  • Proceedings of the 30th international conference on Software engineering
  • Year:
  • 2008

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Abstract

Model-based development is becoming an increasingly common development methodology. In important domains like embedded systems already major parts of the code are generated from models specified with domain-specific modelling languages. Hence, such models are nowadays an integral part of the software development and maintenance process and therefore have a major economic and strategic value for the software-developing organisations. Nevertheless almost no work has been done on a quality defect that is known to seriously hamper maintenance productivity in classic code-based development: Cloning. This paper presents an approach for the automatic detection of clones in large models as they are used in model-based development of control systems. The approach is based on graph theory and hence can be applied to most graphical data-flow languages. An industrial case study demonstrates the applicability of our approach for the detection of clones in Matlab/Simulink models that are widely used in model-based development of embedded systems in the automotive domain.