Parent State ID: 22
State Depth: 5
Action Taken: move-up-fast(fast1, n3, n4)
Action Reasoning: Using fast1 from floor 3, pick up p3 and p2 from floor 4. This moves two passengers closer to their destinations in one trip and uses both capacity slots efficiently.
State Description: - Elevator fast0 is at floor 1 (n1), empty with a maximum capacity of 2.- Elevator fast1 is now at floor 4 (n4), 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 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)', 'leave(p0, slow0-0, n0, 1, 0)', 'move-up-fast(fast1, n3, n4)']

successfully verified the action of new state 41 with the path: The last action `move-up-fast(fast1, n3, n4)` 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 of the current state are accurate and consistent with the sequence of actions taken. The action logically progresses towards achieving the goal state.

INACTIVE REASON: Pruned in beam search
