// Date:  2018-05-22
// Author: schaetzc@tf.uni-freiburg.de
//
// Petri Net n. 
//
//    ,---[c]-------,
//    v             |
//   (0)--[a]----->(1)
//    `---[b]->(2)

print(finitePrefix(n));

PetriNet n = (
  alphabet = {a b c},
  places = {p0 p1 p2},
  transitions = {
    ({p0} a {p1})
    ({p0} b {p2})
    ({p1} c {p0})
  },
  initialMarking = {p0},
  acceptingPlaces = {p0}
);