Jesse Bingham, Zvonimir Rakamaric*. UBC Department of Computer Science Tech Report TR-2005-19, September 19, 2005.*

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**Abstract:** An important and ubiquitous class of programs are *heap-manipulating programs* (HMP), which manipulate unbounded linked data structures by following pointers and updating links. *Predicate abstraction* has proved to be an invaluable technique in the field of software model checking; this technique relies on an efficient decision procedure for the underlying logic. The expression and proof of many interesting HMP safety properties require *transitive closure* predicates; such predicates express that some node can be reached from another node by following a sequence of (zero or more) links in the data structure. Unfortunately, adding support for transitive closure often yields undecidability, so one must be careful in defining such a logic. Our primary contributions are the definition of a simple transitive closure logic for use in predicate abstraction of HMPs, and a decision procedure for this logic. Through several experimental examples, we demonstrate that our logic is expressive enough to prove interesting properties with predicate abstraction, and that our decision procedure provides us with both a time and space advantage over previous approaches.

**Bibtex:**

@techreport{bingham-rakamaric-05, author = {Jesse Bingham and Zvonimir Rakamari\'c}, title = {A Logic and Decision Procedure for Predicate Abstraction of Heap-Manipulating Programs}, institution = {UBC Department of Computer Science}, year = {2005}, month = {September}, number = {TR-2005-19}, }