Symbolic model checking: 1020 states and beyond
Information and Computation - Special issue: Selections from 1990 IEEE symposium on logic in computer science
Tuning SAT Checkers for Bounded Model Checking
CAV '00 Proceedings of the 12th International Conference on Computer Aided Verification
PVS: A Prototype Verification System
CADE-11 Proceedings of the 11th International Conference on Automated Deduction: Automated Deduction
Spin model checker, the: primer and reference manual
Spin model checker, the: primer and reference manual
PETRI NETS '08 Proceedings of the 29th international conference on Applications and Theory of Petri Nets
Formal analysis of the operational concept for the small aircraft transportation system
Rigorous Development of Complex Fault-Tolerant Systems
ICCPS '12 Proceedings of the 2012 IEEE/ACM Third International Conference on Cyber-Physical Systems
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A high level model of the concept of operations of NASA's Small Aircraft Transportation System for Higher Volume Operations (SATS-HVO) is presented. The model is a non-deterministic, asynchronous transition system. It provides a robust notion of safety that relies on the logic of the concept rather than on physical constraints such as aircraft performances. Several safety properties were established on this model. The modeling and verification effort resulted in the identification of 9 issues, including one major flaw, in the original concept. Ten recommendations were made to the SATS-HVO concept development working group. All the recommendations were accepted and incorporated into the current concept of operations. The model was written in PVS. The verification is performed using an explicit state exploration algorithm written and proven correct in PVS.