Proving Assertions about Programs that Manipulate Data Structures

In this paper we wish to consider the problem of proving assertions about programs that construct and alter data structures. Our method will be to define a suitable assertion language L for data structures, to define a simple programming language L ' for constructing and altering data structures, to give axioms and rules of inference (in the style of [Hoare 1969]) which specify the effect of program segments on data structures (described by formulas in L ) and finally to prove that these axioms are correct (relative to a formal definition of the semantics of L ') and, in a reasonable sense, complete. Thus our intention is to provide a complete theoretical framework for describing arbitrary data structures and proving assertions about programs that manipulate them.

Authors

• Derek C. Oppen
• Stephen A. Cook

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