Parent State ID: 67
State Depth: 9
Action Taken: board(p2, fast0, n4, 0, 1)
Action Reasoning: Passenger p2 needs to move from floor 4 to floor 2. Fast elevator fast0 is already at floor 4 and can take p2 directly to floor 2, minimizing the travel cost.
State Description: - Elevator fast0 is on floor 4 (n4), with 1 passenger (p2), capacity 2.- Elevator fast1 remains at floor 1 (n1), empty, capacity 2.- Elevator slow0-0 remains at floor 0 (n0), empty, capacity 1.- Elevator slow1-0 remains 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 elevator fast0.- Passenger p3 is on floor 4 (n4).- 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)', 'move-down-fast(fast1, n3, n1)', 'leave(p5, slow1-0, n2, 1, 0)', 'move-up-fast(fast0, n0, n4)', 'board(p2, fast0, n4, 0, 1)']

successfully verified the action of new state 80 with the path: The last action `board(p2, fast0, n4, 0, 1)` is valid because all preconditions are satisfied, and the effects are correctly reflected in the current state. The current state's natural language description and visualization accurately represent the sequence of actions taken from the initial state.

INACTIVE REASON: Pruned in beam search
