Formal Methods for Components and Objects: 6th International - download pdf or read online

By Gilles Barthe, Pierre Crégut, Benjamin Grégoire, Thomas Jensen, David Pichardie (auth.), Frank S. de Boer, Marcello M. Bonsangue, Susanne Graf, Willem-Paul de Roever (eds.)

ISBN-10: 3540921877

ISBN-13: 9783540921875

Formal equipment were utilized effectively to the verification of medium-sized courses in protocol and layout. despite the fact that, their software to the improvement of enormous structures calls for extra emphasis on specification, modelling and validation concepts helping the thoughts of reusability and modifiability, and their implementation in new extensions of present programming languages like Java.

The sixth foreign Symposium on Formal tools for elements and gadgets, FMCO 2007, was once held in Amsterdam, The Netherlands, in October 2007. This e-book offers 12 revised papers submitted after the symposium through the audio system of every of the next ecu IST initiatives: the IST-FP6 venture Mobius, constructing the know-how for setting up belief and safeguard for the subsequent iteration of worldwide desktops; the IST-FP6 undertaking SelfMan on self administration for large-scale dispensed structures in response to established overlay networks and parts; the IST-FP6 undertaking GridComp and the FP6 CoreGRID community of Excellence on grid programming with parts; the Real-time part cluster of the community of Excellence on Embedded approach layout ARTIST, focussing on layout tactics, and architectures for real-time embedded platforms; and the IST-FP6 undertaking CREDO on modeling and research of evolutionary constructions for dispensed services.

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Extra info for Formal Methods for Components and Objects: 6th International Symposium, FMCO 2007, Amsterdam, The Netherlands, October 24-26, 2007, Revised Lectures

Example text

The rules are largely standard, so we only give a rule for the invocation of static methods, InvsNorm. Exceptional steps. The judgement M l, s ⇒excn h, a describes exceptional small steps where the execution of the instruction at program point M, l in state s results in the creation of a fresh exception object, located at address a in the heap h. In the case of method invocations, a single exceptional step is also observed by the callee if the invoked method raised an exception that could not be locally handled (cf.

I ≥ k Δ, η, Ξ − |η| Σ,Λ M, suc M (l) : D, (m + k, n) E-Auth Δ, C :: η, Ξ Σ,Λ M, l : D, (m, n) E-Goto E-If Δ1 , η1 , Ξ M (l) = goto l Δ, η, Ξ Δ, η, Ξ Σ,Λ M, l : D, (m, n) M, l : D, (m, n) Σ,Λ Ξ = Ξ − |η| M (l) = ifz l Δ1 = Δ[x → Δ(x) ∩ (Z \ {0})](|η|,x)∈Ξ η1 = η[i → η(i) ∩ (Z \ {0})](|η|,i)∈Ξ ∧ 0≤i<|η| Δ2 = Δ[x → Δ(x) ∩ {0}](|η|,x)∈Ξ η2 = η[i → η(i) ∩ {0}](|η|,i)∈Ξ ∧ 0≤i<|η| Δ2 , η2 , Ξ Σ,Λ M, l : D, (m, n) Σ,Λ M, suc M (l) : (m, n) Δ, C :: η, Ξ Σ,Λ M, l : D, (m, n) M (l) = store x Δ[x → C], η, Ξ E-Store Δ, C :: η, Ξ Ξ = (Ξ[x := |η|]) − |η| M, suc M (l) : D, (m, n) Σ,Λ M, l : D, (m, n) Σ,Λ M (l) = load x Ξ = Ξ[|η| := x] Δ, Δ(x) :: η, Ξ Σ,Λ M, suc M (l) : D, (m, n) E-Load Δ, η, Ξ Σ,Λ M, l : D, (m, n) E-Push M (l) = push c Δ, {c} :: η, Ξ + |η| Σ,Λ M, suc M (l) : D, (m, n) Δ, η, Ξ Σ,Λ M, l : D, (m, n) M (l) = binop ⊕ C = {z|z = x ⊕ y, x ∈ C1 , y ∈ C2 } Δ, C :: η, ((Ξ − |η|) − (|η| + 1)) + |η| Σ,Λ M, suc M (l) : D, (m, n) E-Binop Δ, C1 :: C2 :: η, Ξ Σ,Λ M, l : D, (m, n) τ i Σ(M ) = ∀i∈I.

Hofmann, and M. Pavlova typing derivation or an expansion of the interpretation of the typing judgements into the MOBIUS logic. The latter approach was employed in our earlier work [10] and consists of understanding typing judgements as derived proof rules in the program logic and using syntax-directed proof tactics to apply the rules in an automatic fashion. In contrast to [10], however, the interpretation given in the present section extends to non-terminating computations, albeit for a far simpler type system.

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Formal Methods for Components and Objects: 6th International Symposium, FMCO 2007, Amsterdam, The Netherlands, October 24-26, 2007, Revised Lectures by Gilles Barthe, Pierre Crégut, Benjamin Grégoire, Thomas Jensen, David Pichardie (auth.), Frank S. de Boer, Marcello M. Bonsangue, Susanne Graf, Willem-Paul de Roever (eds.)


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