chapter AFP
session IMP_Noninterference_Extension (AFP) = HOL +
  options [timeout = 900]
  sessions
    "HOL-IMP"
  theories
    Small_Step
    Definitions
    Idempotence
    Overapproximation
    Correctness_Lemmas
    Correctness_Theorem
  document_files
    "root.bib"
    "root.tex"
