Parent State ID: 80
State Depth: 10
Action Taken: board(p2, fast1, n4, 0, 1)
Action Reasoning: Passengers p2 and p3 need to move from floor 4 to their destinations. We can move p2 closer to its target floor 2 without waiting by having fast1 pick up p2 and then move it directly to floor 2.
State Description: - fast0: Fast elevator at floor 3 (n3), 0/2 passengers, empty.- fast1: Fast elevator at floor 2 (n2), 1/2 passengers, holding p2.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, empty.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, empty.- p0: On floor 1 (n1).- p1: On floor 3 (n3), not on fast0.- p2: On fast1.- p3: On floor 4 (n4).- p4: On floor 1 (n1).- p5: On floor 2 (n2).
Action Path: ['board(p5, fast1, n3, 0, 1)', 'move-down-fast(fast1, n3, n2)', 'move-up-fast(fast0, n0, n1)', 'board(p1, fast0, n1, 0, 1)', 'move-up-fast(fast0, n1, n3)', 'leave(p1, fast0, n3, 1, 0)', 'leave(p5, fast1, n2, 1, 0)', 'move-up-fast(fast1, n2, n4)', 'move-down-fast(fast1, n4, n2)', 'board(p2, fast1, n4, 0, 1)']

INACTIVE REASON: deactivated because diagram generation failed or invalid action chosen: Elevator fast1 is not at floor n4 to board passenger p2.
