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Compositional reasoning for pointer structures. (English) Zbl 1235.68050
Uustalu, Tarmo (ed.), Mathematics of program construction. 8th international conference, MPC 2006, Kuressaare, Estonia, July 3–5, 2006. Proceedings. Berlin: Springer (ISBN 978-3-540-35631-8/pbk). Lecture Notes in Computer Science 4014, 115-139 (2006).
Summary: This paper studies the compositional definition and behaviour of properties that arise in pointer structures. A pointer structure is represented as a (pointer) graph. A pointer property is a set of pointer structures. A parameterised binary combinator is defined that enables important properties (like acyclicity, canonicity and reachability) to be defined in a compositional manner. The technique of parameterising a combinator derives from the definition of parallel-by-merge in ‘Unifying Theories of Programming’. It is applied here to the study of disjointness combinators that extend the separating conjunction of Separation Logic. A case study is provided to demonstrate how these ideas are used, in the form of rules of Hoare logic, to verify the correctness of an Object-Oriented program.
For the entire collection see [Zbl 1107.68016].

MSC:
68N30 Mathematical aspects of software engineering (specification, verification, metrics, requirements, etc.)
68N19 Other programming paradigms (object-oriented, sequential, concurrent, automatic, etc.)
68Q60 Specification and verification (program logics, model checking, etc.)
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