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The Satisfiability Problem for Probabilistic CTL

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14330%2F08%3A00026224" target="_blank" >RIV/00216224:14330/08:00026224 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Satisfiability Problem for Probabilistic CTL

  • Original language description

    We study the satisfiability problem for qualitative PCTL (Probabilistic Computation Tree Logic), which is obtained from "ordinary" CTL by replacing the EX, AX, EU, and AU operators with their qualitative counterparts X&gt;0, X=1, U&gt;0, and U=1, respectively. As opposed to CTL, qualitative PCTL does not have a small model property, and there are even qualitative PCTL formulae which have only infinite-state models. Nevertheless, we show that the satisfiability problem for qualitative PCTL is EXPTIME-complete and we give an exponential-time algorithm which for a given formula computes a finite description of a model (if it exists), or answers "not satisfiable" (otherwise). We also consider the finite satisfiability problem and provide analogous results.That is, we show that the finite satisfiability problem for qualitative PCTL is EXPTIME-complete, and every finite satisfiable formula has a model of an exponential size which can effectively be constructed in exponential time. Finally,

  • Czech name

    Problém splnitelnosti pro pravděpodobnostní CTL

  • Czech description

    V článku je studován problém splnitelnosti pro kvalitativní fragment logiky PCTL. Oproti nepravděpodobnostnímu CTL nemá kvalitativní fragment PCTL vlastnost malého modelu a existují dokonce formule, které mají pouze nekonečné modely. V článku je ukázáno,že problém splnitelnosti pro kvalitativní fragment PCTL je EXPTIME-úplný a je podán exponenciální algoritmus, který pro danou formuli sestrojí konečný popis modelu je-li daná formule splnitelná. Je také uvažován problém konečné splnitelnosti a jsou prezentovány analogické výsledky jako v případě splnitelnosti.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    IN - Informatics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/1M0545" target="_blank" >1M0545: Institute for Theoretical Computer Science</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    23rd IEEE Symposium on Logic in Computer Science (LICS 2008), 24-27 June 2008, Pittsburgh, USA, Proceedings

  • ISBN

    978-0-7695-3183-0

  • ISSN

  • e-ISSN

  • Number of pages

    10

  • Pages from-to

  • Publisher name

    IEEE Computer Society

  • Place of publication

    Los Alamitos, California

  • Event location

    Pittsburgh, USA

  • Event date

    Jun 24, 2008

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000258728700033