Parent State ID: 61
State Depth: 8
Action Taken: (board p3 fast0 n4 1 2)
Action Reasoning: Fast0 is carrying p0 and is located on floor 4, which has a passenger, p3, who needs to reach floor 5. Boarding p3 onto fast0 will optimize utilization and aid in transporting both p0 and p3 closer to their destinations.
State Description: - **fast0**: At floor 4 (n4), full with 2/2 passengers, boarding p0 and p3.- **fast1**: At floor 0 (n0), 1/2 passengers, boarding p2.- **slow0-0**: At floor 2 (n2), 0/1 passengers, available for nearby pickups.- **p0**: On board fast0 at floor 4.- **p1**: On floor 1 (n1), at destination.- **p2**: On board fast1 at floor 0, at destination.- **p3**: On board fast0 at floor 4.- **p4**: On floor 2 (n2), waiting for transport.- **p5**: On floor 0 (n0), at destination.- **p6**: On floor 2 (n2), at destination.
Action Path: ['(board p2 fast1 n3 0 1)', '(move-up-fast fast1 n3 n5)', '(board p5 fast1 n5 1 2)', '(move-up-fast fast0 n0 n4)', '(move-down-fast fast1 n5 n0)', '(leave p5 fast1 n0 2 1)', '(board p0 fast0 n4 0 1)', '(board p3 fast0 n4 1 2)']

successfully verified the action of new state 78 with the path: The last action `(board p3 fast0 n4 1 2)` is valid because all preconditions are satisfied: `fast0` is at floor `n4`, `p3` is at floor `n4`, and `fast0` has capacity to board `p3`. The effects of the action are correctly reflected 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. The action logically progresses towards the goal state.

INACTIVE REASON: Pruned in beam search
