Petri-Sim

Net 1 of 11

Petri-Sim

Step
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Tokens
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Enabled
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Firing check

State

Marking
Enabled
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Sequence

Firing rule

  1. Rule 1 M(e) ≥ W(e, t) for every input place e
  2. Rule 2 M(a) − W(a, t) + W(t, a) ≤ K(a) for every output place a, counted after firing
  3. Firing M′(p) = M(p) − W(p, t) + W(t, p) for every place p

No K written means K = ∞. No number on an arrow means weight 1.

Notation