Abstract State Machines, Alloy, B and Z: Second - download pdf or read online

By Marc Frappier, Uwe Glässer, Sarfraz Khurshid, Régine Laleau, Steve Reeves

ISBN-10: 3642118100

ISBN-13: 9783642118104

This publication constitutes the court cases 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 offered have been conscientiously reviewed and chosen from 60 submissions. The booklet additionally includes invited talks and abstracts of 18 brief papers which deal with paintings in growth, business adventure reviews and gear descriptions. The papers disguise contemporary advances in 4 both rigorous tools for software program and improvement: summary kingdom machines (ASM), Alloy, B and Z. They proportion a standard conceptual framework, established round the notions of country and operation, and advertise mathematical precision within the modeling, verification and development of hugely responsible 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

Example text

For both the direct implementation and the one using semaphores, we define a version for each of the named components. Note that StartSend&Wait and StartSync&Wait can be executed in any order, depending on whether the sender or the receiver initiates the message passing. 1 The MsgPassCtl Machine (Ground Model) A natural way directly to control synchronous message passing in a distributed environment consists of making sender and receiver wait for each other until each one has ‘seen’ the other. To describe the waiting phase, one can use an extension of the scheduler’s status control.

Wegener, I. ) ICALP 2006. LNCS, vol. 4052, pp. 252–263. Springer, Heidelberg (2006) 8. : Formal Verification of Probabilistic Systems. PhD Thesis, Stanford University, Stanford, USA (1997) 9. : Non-Uniform Random Variate Generation. Springer, Heidelberg (1986) 10. : Advanced Probability Theory. , New York (1995) 11. : Mechanizing Programming Logics in Higher-Order Logic. In: Current Trends in Hardware Verification and Automated Theorem Proving, pp. 387– 439. Springer, Heidelberg (1989) 12. : Introduction to HOL: A Theorem Proving Environment for Higher-Order Logic.

Then the scheduler, which is assumed to be fair, will eventually schedule it, so that the process, from the point where it was suspended by its WaitSema(s) move, does enter the critical section. ✷ 5 Semaphore-Based Synchronous Messages In this section, we define a specification MsgPassSema of synchronous message passing using semaphores, which can be viewed as a refinement of MsgPassCtl . e. a semaphore-based solution with minimal assumptions. We then define the meaning of correctness of MsgPassSema and provide a direct proof for the correctness theorem.

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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 Marc Frappier, Uwe Glässer, Sarfraz Khurshid, Régine Laleau, Steve Reeves


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