Formal Aspects of Computing

, Volume 29, Issue 3, pp 531–557 | Cite as

A program analysis framework for tccp based on abstract interpretation

  • Marco Comini
  • María-del-Mar Gallardo
  • Laura Titolo
  • Alicia Villanueva
Original Article


The timed concurrent constraint language (tccp) is a timed extension of the concurrent constraint paradigm. tccp was defined to model reactive systems, where infinite behaviors arise naturally. In previous works, a semantic framework and abstract diagnosis method for the language have been defined. On the basis of that semantic framework, this paper proposes an abstract semantics that, together with a widening operator, is suitable for the definition of different analyses for tccp programs. The abstract semantics is correct and can be represented as a finite graph where each node represents a hypothetical (abstract) computational step of the program. The widening operator allows us to guarantee the convergence of the abstract fixpoint computation.


Concurrent constraint paradigm Abstract interpretation Abstract semantics Widening operators 


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Copyright information

© British Computer Society 2017

Authors and Affiliations

  1. 1.Dipartimento di Scienze Matematiche, Informatiche e FisicheUniversità degli Studi di UdineUdineItaly
  2. 2.LCCUniversidad de MálagaMálagaSpain
  3. 3.National Institute of AerospaceHamptonUSA
  4. 4.DSICUniversitat Politècnica de ValènciaValenciaSpain

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