Applied Formal Methods — FM-Trends 98

Volume 1641 of the series Lecture Notes in Computer Science pp 1-43

High Level System Design and Analysis Using Abstract State Machines

  • Egon BörgerAffiliated withDipartimento di Informatica, Università di Pisa

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We provide an introduction to a practical method for rigorous system development which has been used successfully, under industrial constraints, for design and analysis of complex hardware/software systems. The method allows one to start system development with a trustworthy high level system specification and to link such a “ground model” in a well documented and inspectable way through intermediate design steps to its implementation. The method enhances traditional operational modelling and analysis techniques by incorporating the most general abstraction, decomposition and refinement mechanisms which have become available through Gurevich’s Abstract State Machines. Through its versatility the ASM approach is non-monolithic and integratable at any development level into current design and analysis environments. We also collect experimental evidence for the ASM thesis, a generalization of Turing’s thesis.