作者: K. Madlener
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摘要: This chapter presents the results of validation and verification a crucial component BOS, large safety-critical system that decides when to close open Maeslantkering, storm surge barrier near city Rotterdam in Netherlands. BOS was specified formal language Z model checking has been applied some its subsystems during development. A lightweight C++ code specification manually developed theorem prover PVS. As result, essential mismatches between were identified. The itself is also validated by use challenge theorems, assess particular design choices. Tools have used exhaustively search for inconsistencies original which led deeper issues with itself.