Abstract
The dynamic frames approach has proven to be a powerful formalism for specifying and verifying object-oriented programs. However, it requires writing and checking many frame annotations. In this paper, we propose a variant of the dynamic frames approach that eliminates the need to explicitly write and check frame annotations. Reminiscent of separation logic’s frame rule, programmers write access assertions inside pre- and postconditions instead of writing frame annotations. From the precondition, one can then infer an upper bound on the set of locations writable or readable by the corresponding method. We implemented our approach in a tool, and used it to automatically verify several challenging programs, including subject-observer, iterator and linked list.
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Smans, J., Jacobs, B., Piessens, F. (2009). Implicit Dynamic Frames: Combining Dynamic Frames and Separation Logic. In: Drossopoulou, S. (eds) ECOOP 2009 – Object-Oriented Programming. ECOOP 2009. Lecture Notes in Computer Science, vol 5653. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03013-0_8
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DOI: https://doi.org/10.1007/978-3-642-03013-0_8
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