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        On undecidability results of real programming languages

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        905604.pdf (PDF, 264Kb)
        Author
        Kirner, Raimund
        Zimmermann, W.
        Richter, D.
        Attention
        2299/6335
        Abstract
        Often, it is argued that some problems in data-flow analysis such as e.g. worst case execution time analysis are undecidable (because the halting problem is) and therefore only a conservative approximation of the desired information is possible. In this paper, we show that the semantics for some important real programming languages – in particular those used for programming embedded devices – can be modeled as finite state systems or pushdown machines. This implies that the halting problem becomes decidable and therefore invalidates popular arguments for using conservative analysis.
        Publication date
        2009
        Published in
        In: Procs of Kolloquium Programmiersprachen und Grundlagen der Programmierung
        Other links
        http://hdl.handle.net/2299/6335
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