Formal Modeling and Analysis of a Flash Filesystem in Alloy
ABZ '08 Proceedings of the 1st international conference on Abstract State Machines, B and Z
Unit Testing of Z Specifications
ABZ '08 Proceedings of the 1st international conference on Abstract State Machines, B and Z
Formal Functional Verification of Device Drivers
VSTTE '08 Proceedings of the 2nd international conference on Verified Software: Theories, Tools, Experiments
Modelling and Proof of a Tree-Structured File System in Event-B and Rodin
ICFEM '08 Proceedings of the 10th International Conference on Formal Methods and Software Engineering
POSIX file store in Z/Eves: An experiment in the verified software repository
Science of Computer Programming
Model-Checking the Linux Virtual File System
VMCAI '09 Proceedings of the 10th International Conference on Verification, Model Checking, and Abstract Interpretation
RAFFS: Model Checking a Robust Abstract Flash File Store
ICFEM '09 Proceedings of the 11th International Conference on Formal Engineering Methods: Formal Methods and Software Engineering
Proving theorems about JML classes
Formal methods and hybrid real-time systems
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We present results from the second pilot project in the international Verification Grand Challenge: a formally verified specification of a POSIX-compliant file store using the Z/Eves theorem prover. The project's overall objective is to build a verified file store for space-flight missions. Our specification of the file store is based on Morgan & Sufrin's specification of the UNIX filing system; the proof and its mechanisation in Z/Eves are novel. We show how our work contributes towards building a verified software repository: a set of general theories and experiments reusable across different domains.