ff: parsing domain file domain 'ZEON' defined ... done. ff: parsing problem file problem 'P11' defined ... done.

Cueing down from goal distance: 6 into depth [1] 5 [1]

Enforced Hill-climbing failed ! switching to Best-first Search now.

advancing to distance : 6 5 4 3 2 0

ff: found legal plan as follows

step 0: FLY PLANE1 CITY0 CITY2 FL6 FL5 1: FLY PLANE1 CITY2 CITY3 FL5 FL4 2: FLY PLANE3 CITY0 CITY1 FL3 FL2 3: BOARD PERSON1 PLANE3 CITY1 4: FLY PLANE3 CITY1 CITY3 FL2 FL1 5: DEBARK PERSON1 PLANE3 CITY3

time spent: 0.01 seconds instantiating 2098 easy, 0 hard action templates 0.00 seconds reachability analysis, yielding 101 facts and 658 actions 0.00 seconds creating final representation with 101 relevant facts 0.02 seconds building connectivity graph 0.14 seconds searching, evaluating 184 states, to a max depth of 1 0.17 seconds total time