Specification-centered robustness

Roderick Paul Bloem, Krishnendu Chatterjee, Karin Greimel, Thomas A. Henzinger, Barbara Jobstmann

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review


In addition to being correct, a system should be robust, that is, it should behave reasonably even after receiving unexpected inputs. In this paper, we summarize two formal notions of robustness that we have introduced previously for reactive systems. One of the notions is based on assigning costs for failures on a user-provided notion of incorrect transitions in a specification. Here, we define a system to be robust if a finite number of incorrect inputs does not lead to an infinite number of incorrect outputs. We also give a more refined notion of robustness that aims to minimize the ratio of output failures to input failures. The second notion is aimed at liveness. In contrast to the previous notion, it has no concept of recovery from an error. Instead, it compares the ratio of the number of liveness constraints that the system violates to the number of liveness constraints that the environment violates.
Original languageEnglish
Title of host publication2011 6th International Symposium on Industrial Embedded Systems
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Print)978-1-612-84818-1
Publication statusPublished - 14 Jul 2011
EventIEEE International Symposium on Industrial Embedded Systems - Västeràs, Sweden
Duration: 15 Jun 201117 Jun 2011


ConferenceIEEE International Symposium on Industrial Embedded Systems

Fields of Expertise

  • Information, Communication & Computing


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