Parent State ID: 106
State Depth: 13
Action Taken: board(p3, fast1, n3, 0, 1)
Action Reasoning: Passenger p3 needs to reach floor 0. Currently, elevator fast1 is at floor 3, where p3 is, and can move p3 closer to its destination floor 0. This action sets up further progress towards the goal without using slow and costly elevator rides.
State Description: - Elevator fast0 is at floor 0 (n0), empty, capacity 2.- Elevator fast1 is at floor 3 (n3), with passenger p3, 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 on floor 0 (n0).- Passenger p1 is on floor 1 (n1).- Passenger p2 is on floor 2 (n2).- Passenger p3 is on board elevator fast1.- 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(fast1, n2, n4)', 'move-down-fast(fast1, n4, n3)', 'board(p3, fast1, n3, 0, 1)']

successfully verified the action of new state 121 with the path: The last action `board(p3, fast1, n3, 0, 1)` is valid because all preconditions are satisfied: `fast1` is at `n3`, `p3` is at `n3`, and `fast1` has capacity. The effects are correctly updated in the current state. The natural language description, diagram encoding, and visualization of the current state are accurate and consistent with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
