Time4sys2imi: A Tool to Formalize Real-Time System Models Under Uncertainty

  • Étienne André
  • Jawher JerrayEmail author
  • Sahar Mhiri
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11884)


Time4sys is a formalism developed by Thales Group, realizing a graphical specification for real-time systems. However, this formalism does not allow to perform formal analyses for real-time systems. So a translation of this tool to a formalism equipped with a formal semantics is needed. We present here Time4sys2imi, a tool translating Time4sys models into parametric timed automata in the input language of IMITATOR. This translation allows not only to check the schedulability of real-time systems, but also to infer some timing constraints (deadlines, offsets\(\ldots \)) guaranteeing schedulability. We successfully applied Time4sys2imi to various examples.


Real-time systems Scheduling Model checking Parametric timed automata Parameter synthesis 



We thank Romain Soulat and Laurent Rioux from Thales R&D for useful help concerning Time4sys.


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Université Paris 13, LIPN, CNRS, UMR 7030VilletaneuseFrance
  2. 2.JFLI, CNRSTokyoJapan
  3. 3.National Institute of InformaticsTokyoJapan

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