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Title:Efficient Parametric Runtime Verification with Deterministic String Rewriting
Author(s):Meredith, Patrick; Rosu, Grigore
Subject(s):Runtime Verification
String Rewriting
Abstract:Early efforts in runtime verification and monitoring show that parametric regular and temporal logic specifications can be monitored efficiently. These approaches, however, have limited expressiveness, since their specifications always reduce to monitors which are finite state machines. More recent developments showed that parametric context-free properties can be efficiently monitored with overheads gener- ally lower than 12–15%. While context-free grammars are more expressive than finite-state approaches, they still do not allow every computable safety property. This paper presents a monitor synthesis algorithm for string rewriting systems (SRS). SRSs are well known to be Turing complete, allowing for the formal specification of any computable safety property. Earlier attempts at Turing complete monitoring have been relatively inefficient. This paper demonstrates that monitoring parametric SRSs is practical. The presented monitoring algorithm uses a modified version of the Aho-Corasick string searching algorithm for quick pattern matching with an incremental rewriting approach that avoids reexamining parts of the string known to contain no redexes.
Issue Date:2012-04-01
Citation Info:submitted to Foundations of Software Engineering (FSE 2012)
Genre:Conference Paper / Presentation
Publication Status:published or submitted for publication
Peer Reviewed:not peer reviewed
Sponsor:NSF grant CCF-0916893 and by NSA contract H98230-10-C-0294
Date Available in IDEALS:2012-04-01

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