[PDF][PDF] Compositional verification of a lock-free stack with RGITL

B Tofan, G Schellhorn, G Ernst, J Pfahler… - … Communications of the …, 2014 - eceasst.org
B Tofan, G Schellhorn, G Ernst, J Pfahler, W Reif
Electronic Communications of the EASST, 2014eceasst.org
This paper describes a compositional verification approach for concurrent algorithms based
on the logic Rely-Guarantee Interval Temporal Logic (RGITL), which is implemented in the
interactive theorem prover KIV. The logic makes it possible to mechanically derive and apply
decomposition theorems for safety and liveness properties. Decomposition theorems for rely-
guarantee reasoning, linearizability and lock-freedom are described and applied on a non-
trivial running example, a lock-free data stack implementation that uses an explicit allocator …
Abstract
This paper describes a compositional verification approach for concurrent algorithms based on the logic Rely-Guarantee Interval Temporal Logic (RGITL), which is implemented in the interactive theorem prover KIV. The logic makes it possible to mechanically derive and apply decomposition theorems for safety and liveness properties. Decomposition theorems for rely-guarantee reasoning, linearizability and lock-freedom are described and applied on a non-trivial running example, a lock-free data stack implementation that uses an explicit allocator stack for memory reuse. To deal with the heap, a lightweight approach that combines ownership annotations and separation logic is taken.
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