Runtime enforcement is a dynamic analysis technique that uses monitors to enforce the behaviour specified by some correctness property on an executing system. The enforceability of a logic captures the extent to which the properties expressible via the logic can be enforced at runtime. We study the enforceability of Hennessy-Milner Logic with Recursion (muHML) with respect to suppression enforcement. We develop an operational framework for enforcement which we then use to formalise when a monitor enforces a muHML property. We also show that the safety syntactic fragment of the logic, sHML, is enforceable by providing an automated synthesis function that generates correct suppression monitors from sHML formulas.
@InProceedings{aceto_et_al:LIPIcs.CONCUR.2018.34, author = {Aceto, Luca and Cassar, Ian and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna}, title = {{On Runtime Enforcement via Suppressions}}, booktitle = {29th International Conference on Concurrency Theory (CONCUR 2018)}, pages = {34:1--34:17}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-087-3}, ISSN = {1868-8969}, year = {2018}, volume = {118}, editor = {Schewe, Sven and Zhang, Lijun}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2018.34}, URN = {urn:nbn:de:0030-drops-95729}, doi = {10.4230/LIPIcs.CONCUR.2018.34}, annote = {Keywords: Enforceability, Suppression Enforcement, Monitor Synthesis, Logic} }
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