NDLI: A Strategy for Verification of Decomposable SCR Models

Content Provider	IEEE Xplore Digital Library
Author	Desovski, D. Cukic, B.
Copyright Year	2006
Description	Author affiliation: Lane Dept. of CSEE, West Virginia Univ., Morgantown, WV (Desovski, D.; Cukic, B.)
Abstract	Formal methods for verification of software systems often face the problem of state explosion and complexity. We propose a divide and conquer methodology which leads to component-based verification and analysis of formal requirements specifications expressed using software cost reduction (SCR) models. This paper presents a novel decomposition methodology which identifies components in the given SCR specification and automates related abstraction methods. Further, we propose a verification strategy for modular and decomposable software models. Efficient verification of SCR models is achieved through the use of invariants and proof compositions. Experimental validation of our methodology brought to light the importance of modularity, encapsulation, information hiding and the avoidance of global variables in the context of formal specification models. The advantages of the compositional verification strategy are demonstrated in the analysis of the personnel access control system. Our approach offers significant savings in terms of time and memory requirements needed to perform formal system verification
Sponsorship	IEEE Comput. Soc. TC on Fault-Tolerant Comput. Univ. of California, Riverside
Starting Page	11
Ending Page	18
File Size	179980
Page Count	8
File Format	PDF
ISBN	0769527248
DOI	10.1109/PRDC.2006.16
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thyristors Software systems Explosions Application software Costs Personnel Access control Computer industry Quality assurance Encapsulation
Content Type	Text
Resource Type	Article

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