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<br />

<br />

begin<br />

<br />

Chapitre VII – Vérification formelle de <strong>la</strong> structure <strong>des</strong> applications<br />

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seq1_begin<br />

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seq2_begin<br />

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seq1_end<br />

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<br />

<br />

appel1<br />

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appel2<br />

<br />

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seq2_end <br />

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<br />

(a) réseau de Petri correspondant au listing VII.4<br />

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seq2_begin<br />

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seq1_begin<br />

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mid <br />

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appel1<br />

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appel2<br />

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seq1_end<br />

<br />

<br />

<br />

end<br />

(c) réseau de Petri final<br />

seq2_end<br />

<br />

loop<br />

FIG. VII.8 – Réseau de Petri <strong>pour</strong> un composant hybride<br />

c○ 2007 Thomas Vergnaud 143<br />

1<br />

<br />

<br />

<br />

<br />

begin<br />

seq1<br />

mid<br />

seq2<br />

end<br />

(b) réseau<br />

de Petri de<br />

coordination

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