Parent State ID: 114
State Depth: 14
Action Taken: move-up-fast(fast1, n1, n3)
Action Reasoning: Fast0 is at floor 4 and is holding p3, whose goal is floor 0. Moving fast1 from floor 1 to floor 3 allows us to board passengers p1 and p4 for their goal floor 3, keeping other elevators available.
State Description: - Elevator fast0 is at floor 4 (n4) with 1 passenger (p3), capacity 2.- Elevator fast1 is now at floor 3 (n3), empty, ready to pick up passengers p1 and p4 from nearby floor 1, capacity 2.- Elevator slow0-0 is at floor 0 (n0), empty, capacity 1.- Elevator slow1-0 is at floor 2 (n2), empty, capacity 1.- Passenger p0 is at floor 0 (n0).- Passenger p1 is on floor 1 (n1).- Passenger p2 is on floor 2 (n2).- Passenger p3 is on elevator fast0.- Passenger p4 is on floor 1 (n1).- Passenger p5 is on floor 2 (n2).
Action Path: ['board(p0, slow0-0, n1, 0, 1)', 'move-down-slow(slow0-0, n1, n0)', 'leave(p0, slow0-0, n0, 1, 0)', 'board(p5, slow1-0, n3, 0, 1)', 'move-down-slow(slow1-0, n3, n2)', 'leave(p5, slow1-0, n2, 1, 0)', 'move-up-fast(fast1, n3, n4)', 'board(p2, fast1, n4, 0, 1)', 'move-down-fast(fast1, n4, n2)', 'leave(p2, fast1, n2, 1, 0)', 'move-up-fast(fast0, n0, n4)', 'board(p3, fast0, n4, 0, 1)', 'move-down-fast(fast1, n2, n1)', 'move-up-fast(fast1, n1, n3)']

successfully verified the action of new state 129 with the path: The last action `move-up-fast(fast1, n1, n3)` is valid because all preconditions are satisfied: `fast1` is at `n1`, `n3` is above `n1`, and `n3` is reachable by `fast1`. The current state's description and visualization accurately reflect the effects of the action, and all objects from the initial state are present. The action logically progresses towards the goal state by positioning `fast1` to pick up passengers `p1` and `p4` for their destination `n3`.

INACTIVE REASON: Pruned in beam search
