By Wolfram Büttner (auth.), Egon Börger, Michael Butler, Jonathan P. Bowen, Paul Boca (eds.)
This booklet constitutes the refereed court cases of the 1st overseas convention of summary country Machines, B and Z, ABZ 2008, held in London, united kingdom, in September 2008. The convention concurrently integrated the fifteenth foreign ASM Workshop, the seventeenth overseas convention of Z clients and the eighth overseas convention at the B Method.
The forty four revised complete papers offered including four invited contributions have been rigorously reviewed and chosen from various submissions. The convention fosters the cross-fertilization of 3 rigorous tools for the layout and research of and software program structures - either in academia and - specifically summary country Machines, B, and Z. overlaying quite a lot of learn spanning from theoretical and methodological foundations to device help and functional purposes, the contributions are geared up in topical sections on summary nation machines, B papers, Z papers, ABZ brief papers, and the papers of the confirmed software program Repository community (VSR-net) workshop.
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Extra info for Abstract State Machines, B and Z: First International Conference, ABZ 2008, London, UK, September 16-18, 2008. Proceedings
Our current research ,  focusses on the verification of lock-free algorithms. These implements an atomic actions on a data type (such as a push or pop on a stack) by programs working on pointer structures. Like security protocols the programs are interleaved and we report on experiments using big commuting diagrams to simplify the verification task. References 1. : Relational concurrent refinement part ii: Internal operations and ouputs. In: FAC (2008) 2. : Completeness of asm refinement.
BPM 2006. LNCS, vol. 4102, pp. 389–394. Springer, Heidelberg (2006); Previous versions edited as BPM-06-16 and BPM-06-12 32. : Reduction rules for reset workﬂow nets. org (2006) 33. : Reduction rules for YAWL workﬂow nets with cancellation regions and OR-joins. de Effective and efficient support for the incremental development of verified implementations from abstract requirements has always been of central importance for the successful application of formal methods in practice. Effective means first, that a modelling language is available that allows an adequate problem specification.
6 The production of synchronization tokens by the transition rule for join gate nodes that enter a subprocess is postponed to the exit node rule(s) of the subprocess. There are obviously various other possibilities, with all of which one can experiment using the work that will be reported in . 7 Related and Future Work There are two speciﬁc papers we know on the deﬁnition of a formal semantics of a subset of BPMN. In  a Petri net model is developed for a core subset of BPMN which however; it is stated there that due to the well-known lack of high-level concepts in Petri nets, this Petri net model “does not fully deal with: (i) parallel multi-instance activities; (ii) exception handling in the context of subprocesses that are executed multiple times concurrently; and (iii) OR-join gateways.
Abstract State Machines, B and Z: First International Conference, ABZ 2008, London, UK, September 16-18, 2008. Proceedings by Wolfram Büttner (auth.), Egon Börger, Michael Butler, Jonathan P. Bowen, Paul Boca (eds.)