Parent State ID: 11
State Depth: 4
Action Taken: board(p1, fast0, n1, 0, 1)
Action Reasoning: Fast0 is at floor 1 next to passengers p1 and p4. Boarding p1 or p4 will move us closer to placing p1 on floor 3 while keeping fast elevators less occupied ensures lower costs.
State Description: - Elevator fast0 is at floor 1 (n1), holding passenger p1 with a capacity of 1/2.- Elevator fast1 remains at floor 3 (n3), empty with a capacity of 2/2.- Elevator slow0-0 is at floor 0 (n0), holding passenger p0 with a capacity of 1/1.- Elevator slow1-0 is at floor 3 (n3), empty with a capacity of 1/1.- Passenger p0 is onboard slow0-0 at floor 0.- Passenger p1 is now onboard fast0 at floor 1.- Passenger p2 is on floor 4 (n4).- Passenger p3 is on floor 4 (n4).- Passenger p4 is on floor 1 (n1).- Passenger p5 is on floor 3 (n3).
Action Path: ['board(p0, slow0-0, n1, 0, 1)', 'move-down-slow(slow0-0, n1, n0)', 'move-up-fast(fast0, n0, n1)', 'board(p1, fast0, n1, 0, 1)']

successfully verified the action of new state 23 with the path: The last action `board(p1, fast0, n1, 0, 1)` is valid as all preconditions are met: `fast0` is at `n1`, `p1` is at `n1`, and `fast0` has capacity. The effects are correctly reflected in the current state: `p1` is on board `fast0`, and `fast0` has 1/2 passengers. The natural language and diagram encoding descriptions are consistent, and the visualization accurately represents the current state. All objects from the initial state are present in the current visualization.

INACTIVE REASON: Pruned in beam search
