Abstract State Machines, Alloy, B and Z: Second by Daniel Jackson, Eunsuk Kang (auth.), Marc Frappier, Uwe PDF

By Daniel Jackson, Eunsuk Kang (auth.), Marc Frappier, Uwe Glässer, Sarfraz Khurshid, Régine Laleau, Steve Reeves (eds.)

ISBN-10: 3642118100

ISBN-13: 9783642118104

This ebook constitutes the complaints of the second one foreign convention on summary country Machines, B and Z, which came about in Orford, quality controls, Canada, in February 2010. The 26 complete papers awarded have been conscientiously reviewed and chosen from 60 submissions. The ebook additionally comprises invited talks and abstracts of 18 brief papers which deal with paintings in growth, commercial event experiences and gear descriptions. The papers conceal contemporary advances in 4 both rigorous equipment for software program and improvement: summary country machines (ASM), Alloy, B and Z. They percentage a standard conceptual framework, headquartered round the notions of kingdom and operation, and advertise mathematical precision within the modeling, verification and building of hugely accountable platforms.

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Extra resources for Abstract State Machines, Alloy, B and Z: Second International Conference, ABZ 2010, Orford, QC, Canada, February 22-25, 2010. Proceedings

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Edge where the agent’s control lies. Every agent can mainly be characterized by: – A static function, id: AGENT→ String, used to identify system agents. – A dynamic function, mode: AGENT → {running, inactive}, used to track an agent’s mode. An agent may be running in normal mode or inactive once the agent has finished its computation. Typically, a running agent has to look at the delay associated with the target timed UCM construct(s) of its active edge(s) to determine which construct should be executed next.

To support the reader’s general intuitions, we speak in this section of sender (source) or receiver (destination) process to refer to an agent with program StartSend&WaitCtl or ReceiveCtl , respectively. Saying that a process p is scheduled, is a shorthand for p = currp. In the following theorem, we first formulate the (intuitive requirements for the) correctness property in general terms and then make them precise and prove the resulting statement for MsgPassCtl . Theorem 1. (Correctness Property for Message Passing) The following properties hold in every run of MsgPassCtl .

We define this to be true in any one of the two following situations, depending on whether the sender or the receiver starts the attempt to synchronize for a message exchange: SenderStarts: src has made a StartSend&WaitSema (m, src, dest ) move that Enqueueed it into the insema(dest )-queue); thereafter dest has made a (first) ReceiveSema (dest ) move that Dequeued src from the insema(dest )queue and src is again scheduled. 11 12 RecordForTransfer is defined as for StartSend&WaitCtl . DeliverMsg is defined as for ReceiveCtl .

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Abstract State Machines, Alloy, B and Z: Second International Conference, ABZ 2010, Orford, QC, Canada, February 22-25, 2010. Proceedings by Daniel Jackson, Eunsuk Kang (auth.), Marc Frappier, Uwe Glässer, Sarfraz Khurshid, Régine Laleau, Steve Reeves (eds.)


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