Abstract
Model transformations have proved to be powerful in the development of critical systems. According to their intents, they have been used in many domains such as models refinement, simulation, and domain semantics. The formal methods have been successful in the verification and validation of critical systems, and in particular, in the formalization of UML, BPMN, and AADL. However, little research has been done on verifying the transformation itself. In this paper, we extend our previous work using Isabelle/HOL that transforms UML State Machine Diagrams (SMD) to Colored Petri nets (CPN) models and proves that certain structural properties of this transformation are correct. For example, the structural property: “for each final state of a SMD model a corresponding place in CPN model should be generated by the transformation” is described and checked using Isabelle/HOL as invariant property. In the current work, we use Scala as environment of executing Isabelle/HOL specifications and we perform the verified transformation using Scala. Moreover, we demonstrate our approach using another case study of transforming BPMN (Business Process Model and Notation) models into Petri nets models and verify the correctness of certain structural properties of this transformation.
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