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Formula Based Abstractions of Transition Systems for Real-Time Model Checking

Authors
Publisher
IFIP Lecture Notes in Computer Science (LNCS)
Publication Date
Disciplines
  • Linguistics

Abstract

When verifying concurrent systems described by transition systems, state explosion is one of the most serious problems. If quantitative temporal information (expressed by clock ticks) are considered,state explosion is even more serious. In this paper we present a non-standard (abstract) semantics for the ASTP language able to produce reduced transition systems. The important point is that the abstract semantics produces transition systems equivalent to the standard ones for what concerns the satisfiability of a given set of formulae of a temporal logic with quantitative modal operators. The equivalence of transition systems with respect to formulae is expressed by means of ??,??-equivalence: two ??,??-equivalent transition systems give the same truth value to all formulae such that the actions occurring in the modal operators are contained in ?, and with time constraints whose values are less than or equal to ?.Full Text at Springer, may require registration or fee

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