Verification and validation of declarative model-to-model transformations through invariants

  • Authors:
  • Jordi Cabot;Robert Clarisó;Esther Guerra;Juan de Lara

  • Affiliations:
  • Estudis d'Informítica, Multimèdia i Telecomunicació, Univ. Oberta de Catalunya, Spain;Estudis d'Informítica, Multimèdia i Telecomunicació, Univ. Oberta de Catalunya, Spain;Computer Science Department, Universidad Carlos III de Madrid, Spain;Polytechnic School, Universidad Autónoma de Madrid, Spain

  • Venue:
  • Journal of Systems and Software
  • Year:
  • 2010

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Abstract

In this paper we propose a method to derive OCL invariants from declarative model-to-model transformations in order to enable their verification and analysis. For this purpose we have defined a number of invariant-based verification properties which provide increasing degrees of confidence about transformation correctness, such as whether a rule (or the whole transformation) is satisfiable by some model, executable or total. We also provide some heuristics for generating meaningful scenarios that can be used to semi-automatically validate the transformations. As a proof of concept, the method is instantiated for two prominent model-to-model transformation languages: Triple Graph Grammars and QVT.