Modular Verification of Strongly Invasive Aspects

  • Authors:
  • Emilia Katz;Shmuel Katz

  • Affiliations:
  • Department of Computer Science, The Technion, Haifa, Israel 32000;Department of Computer Science, The Technion, Haifa, Israel 32000

  • Venue:
  • Languages: From Formal to Natural
  • Year:
  • 2009

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Abstract

An extended specification for aspects, and a new verification method based on model checking are used to establish the correctness of strongly-invasive aspects, independently of any particular base program to which they may be woven. Such aspects can change the underlying base program variables to new states, and after the aspect advice has completed, the base program code continues from states that were previously unreachable. The needed changes in the MAVEN model checker are described, and the soundness of the verification method is proven. An example is shown of its application to aspects that provide various bonus points to student grading programs.