Parent State ID: 22
State Depth: 5
Action Taken: board(p4, fast0, n1, 0, 1)
Action Reasoning: Passenger p4 on floor 1 needs to go to floor 3. Since fast0 is already at floor 1 and has capacity, boarding p4 on fast0 will efficiently move towards the goal state.
State Description: - Elevator fast0 is at floor 1 (n1) with passenger p4 onboard, capacity 1/2.- Elevator fast1 is at floor 3 (n3), empty with a maximum capacity of 2.- Elevator slow0-0 is at floor 0 (n0), empty with a maximum capacity of 1.- Elevator slow1-0 is at floor 3 (n3), empty with a maximum capacity of 1.- Passenger p0 is on floor 0 (n0).- Passenger p1 is on floor 1 (n1).- Passenger p2 is on floor 4 (n4).- Passenger p3 is on floor 4 (n4).- Passenger p4 is onboard fast0.- 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)', 'leave(p0, slow0-0, n0, 1, 0)', 'board(p4, fast0, n1, 0, 1)']

successfully verified the action of new state 40 with the path: The last action `board(p4, fast0, n1, 0, 1)` is valid as all preconditions are satisfied, and the effects are correctly reflected in the current state. The natural language description, diagram encoding, and visualization are consistent and accurate with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
