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Formalizing and verifying compatibility and consistency of SysML blocks

ACM SIGSOFT Software Engineering Notes July 2012 Volume 37 Number 4 Formalizing and Verifying Compatibility and Consistency of SysML Blocks Oscar Carrillo Femto-ST Institute University of Franche-Comt e Besan on, France c e-mail: oscar.carrillo@femto-st.fr Samir Chouali Femto-ST Institute University of Franche-Comt e Besan on, France c e-mail: samir.chouali@femto-st.fr Hassan Mountassir Femto-ST Institute University of Franche-Comt e Besan on, France c e-mail:hmountas@femto-st.fr May 16, 2012 Abstract The objective of this paper is to de ne an approach to formalize and verify the SysML blocks in a re nement process. We propose to specify system architecture with SysML Block De nition Diagram, this diagram is then analyzed and decomposed into several sub-blocks in order to verify their compatibility. The structural architecture of an abstract block is given by the Internal Block Diagram (IBD) which de nes the communication links between sub-blocks. The compatibility veri cation between sub-blocks is only made on linked sub-blocks. The behaviour of each sub-block is described by an interface automaton which speci es the invocations exchanged with its environment. The veri cation between blocks is translated into consistency veri cation between the blocks and compatibility veri cation between their interface automata. Incompatibilities can be inconsistent at http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM SIGSOFT Software Engineering Notes Association for Computing Machinery

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