By Egon Börger, Antonio Cisternino, Vincenzo Gervasi (auth.), John Derrick, John Fitzgerald, Stefania Gnesi, Sarfraz Khurshid, Michael Leuschel, Steve Reeves, Elvinia Riccobene (eds.)

This publication constitutes the complaints of the 3rd foreign convention on summary nation Machines, B, VDM, and Z, which came about in Pisa, Italy, in June 2012. The 20 complete papers provided including 2 invited talks and thirteen brief papers have been conscientiously reviewed and chosen from fifty nine submissions. The ABZ convention sequence is devoted to the cross-fertilization of 5 comparable state-based and machine-based formal tools: summary country Machines (ASM), Alloy, B, VDM, and Z. They percentage a standard conceptual beginning and are accepted in either academia and for the layout and research of and software program structures. the most objective of this convention sequence is to give a contribution to the combination of those formal equipment, clarifying their commonalities and ameliorations to higher know the way to mix various ways for achieving a number of the initiatives in modeling, experimental validation and mathematical verification of trustworthy top quality hardware/software systems.

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**Additional resources for Abstract State Machines, Alloy, B, VDM, and Z: Third International Conference, ABZ 2012, Pisa, Italy, June 18-21, 2012. Proceedings**

**Sample text**

Note that the visit of the test sequence graph has linear complexity with the number of arcs and nodes and it requires a negligible amount of time with respect to the generation of the test suites. It is straightforward to prove that the test sequences obtained with the presented algorithm are valid sequences for the product machine. 4 Coverage We are interested in investigating the relationship between the coverage provided by a test suite obtained from the single machines and the coverage provided by using the product machine instead.

7. Multi-step operational semantics A collection of interesting multi-step rules is given in Figure 7. The operator “ |” forms the set of all possible interleavings of the two sequences of labels given as its operands. The semantic brackets around a sequence of labels, s, convert it into a sequence of the corresponding relations, and the operator “o9/[[ s]]” composes the sequence of relations to form a relation. 2 allows two consecutive sequences of steps to be combined into a single sequence of steps.

J. Log. Algebr. Program. 60-61, 17–139 (2004) Test Generation for Sequential Nets of Abstract State Machines Paolo Arcaini1 , Francesco Bolis2 , and Angelo Gargantini2 1 2 Dip. it Dip. di Ing. it Abstract. Test generation techniques based on model checking suﬀer from the state space explosion problem. However, for a family of systems that can be easily decomposed in sub-systems, we devise a technique to cope with this problem. To model such systems, we introduce the notion of sequential net of Abstract State Machines (ASMs), which represents a system constituted by a set of ASMs such that only one ASM is active at every time.