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Pointer Safety and Graph Grammars

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Graph reduction systems (GRSs), based on context-sensitive graph grammars, are used by the project Safe Pointers by Graph Transformation (SPGT) in their approach to verifying the properties of pointer structures. In this talk I will discuss three recent developments related to GRSs and the SPGT approach. I will first describe the application of SPGT to a C-like language. I will also discuss restrictions on graph rewrite rules which allow linear-time recognition of GRS languages. Thirdly, I will discuss the relationship of graph grammars to separation logic, a logic which forms the basis of much recent work on pointer safety.

This talk is part of the Logic and Semantics Seminar (Computer Laboratory) series.

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