Assertion-based proof checking of chang-roberts leader election in PVS
ATVA'07 Proceedings of the 5th international conference on Automated technology for verification and analysis
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PVS is a state-of-the-art theorem-proving tool developed by SRI International. It is used in a variety of academic and real-world applications by NASA and ICASE researchers, for whom tool customization and extensibility are becoming increasingly important issues. This paper shows, by referring to past experiences with several projects and case studies, that the customization features currently offered by PVS are often insufficient. It also suggests several improvements regarding PVS''s customization in the short run and regarding its extensibility in the long run.