A verified Common Lisp implementation of Buchberger's algorithm in ACL2

  • Authors:
  • Inmaculada Medina-Bulo;Francisco Palomo-Lozano;José-Luis Ruiz-Reina

  • Affiliations:
  • Escuela Superior de Ingeniería, Calle Chile s/n 11003 Cádiz, Spain;Escuela Superior de Ingeniería, Calle Chile s/n 11003 Cádiz, Spain;ETS de Ingeniería Informática, Avda. Reina Mercedes s/n 41012 Sevilla, Spain

  • Venue:
  • Journal of Symbolic Computation
  • Year:
  • 2010

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Abstract

In this article, we present the formal verification of a Common Lisp implementation of Buchberger's algorithm for computing Grobner bases of polynomial ideals. This work is carried out in ACL2, a system which provides an integrated environment where programming (in a pure functional subset of Common Lisp) and formal verification of programs, with the assistance of a theorem prover, are possible. Our implementation is written in a real programming language and it is directly executable within the ACL2 system or any compliant Common Lisp system. We provide here snippets of real verified code, discuss the formalization details in depth, and present quantitative data about the proof effort.