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Context-Moving Transformations for Function Veri cation ?
 

Summary: Context-Moving Transformations
for Function Veri cation ?
Jurgen Giesl
Computer Science Dept., University of New Mexico, Albuquerque, NM 87131, USA,
E-mail: giesl@cs.unm.edu
Abstract. Several induction theorem provers have been developed
which support mechanized veri cation of functional programs. Unfor-
tunately, a major problem is that they often fail in verifying tail recur-
sive functions (which correspond to imperative programs). However, in
practice imperative programs are used almost exclusively.
We present an automatic transformation to tackle this problem. It trans-
forms functions which are hard to verify into functions whose correctness
can be shown by the existing provers. In contrast to classical program
transformations, the aim of our technique is not to increase eÆciency, but
to increase veri ability. Therefore, this paper introduces a novel applica-
tion area for program transformations and it shows that such techniques
can in fact solve some of the most urgent current challenge problems in
automated veri cation and induction theorem proving.
1 Introduction
To guarantee the correctness of programs, a formal veri cation is required. How-

  

Source: Ábrahám, Erika - Fachgruppe Informatik, Rheinisch Westfälische Technische Hochschule Aachen (RWTH)

 

Collections: Computer Technologies and Information Sciences