Modern program logics have made it feasible to verify the most complex concurrent algorithms. However, many such logics are complex, and most lack automated tool support. We propose Starling, a new lightweight logic and automated tool for concurrency verification. Starling takes a proof outline written in an abstracted Hoare-logic style, and converts it into proof terms that can be discharged by a sequential solver. Starling\u2019s approach is generic in its structure, making it easy to target different solvers. In this paper we verify shared-variable algorithms using the Z3 SMT solver, and heap-based algorithms using the GRASShopper solver. We have applied our approach to a range of concurrent algorithms, including Rust\u2019s atomic reference counter, the Linux ticketed lock, the CLH queue-lock, and a fine-grained list algorithm.<\/p>\n","protected":false},"excerpt":{"rendered":"
Modern program logics have made it feasible to verify the most complex concurrent algorithms. However, many such logics are complex, and most lack automated tool support. We propose Starling, a new lightweight logic and automated tool for concurrency verification. Starling takes a proof outline written in an abstracted Hoare-logic style, and converts it into proof 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