Regression verification for programmable logic controller software

@inproceedings{DBLP:conf/icfem/BeckertUVW15,
  ids={Beckert2015,BeckertUlbrichEtAl2015},
  author    = {Bernhard Beckert and
               Mattias Ulbrich and
               Birgit Vogel{-}Heuser and
               Alexander Weigl},
  title     = {Regression Verification for Programmable Logic Controller Software},
  booktitle = {Formal Methods and Software Engineering - 17th International Conference
               on Formal Engineering Methods, {ICFEM} 2015, Paris, France, November
               3-5, 2015, Proceedings},
  pages     = {234--251},
  year      = {2015},
  url       = {https://doi.org/10.1007/978-3-319-25423-4_15},
  doi       = {10.1007/978-3-319-25423-4_15},
  timestamp = {Sun, 02 Jun 2019 21:19:43 +0200},
  biburl    = {https://dblp.org/rec/conf/icfem/BeckertUVW15.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}```