Parent State ID: 197
State Depth: 20
Action Taken: leave(p4, fast1, n3, 1, 0)
Action Reasoning: Passenger p4 needs to be on floor 3, and since fast1 is already there with p4 onboard, the best action is to have p4 leave the elevator. This action directly achieves the goal for p4 without incurring any travel cost.
State Description: - fast0: Fast elevator at floor 1 (n1), 0/2 passengers, empty.- fast1: Fast elevator at floor 3 (n3), 0/2 passengers, empty.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, empty.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, empty.- p0: On floor 1 (n1).- p1: On floor 3 (n3).- p2: On floor 2 (n2).- p3: On floor 0 (n0).- p4: On floor 3 (n3).- p5: On floor 2 (n2).
Action Path: ['board(p5, fast1, n3, 0, 1)', 'move-down-fast(fast1, n3, n2)', 'move-up-fast(fast0, n0, n1)', 'board(p1, fast0, n1, 0, 1)', 'move-up-fast(fast0, n1, n3)', 'leave(p1, fast0, n3, 1, 0)', 'leave(p5, fast1, n2, 1, 0)', 'move-up-fast(fast1, n2, n4)', 'board(p2, fast1, n4, 0, 1)', 'move-down-fast(fast1, n4, n2)', 'leave(p2, fast1, n2, 1, 0)', 'move-up-fast(fast1, n2, n4)', 'board(p3, fast1, n4, 0, 1)', 'move-down-fast(fast1, n4, n0)', 'leave(p3, fast1, n0, 1, 0)', 'move-down-fast(fast0, n3, n1)', 'move-up-fast(fast1, n0, n1)', 'board(p4, fast1, n1, 0, 1)', 'move-up-fast(fast1, n1, n3)', 'leave(p4, fast1, n3, 1, 0)']

successfully verified the action of new state 205 with the path: The last action `leave(p4, fast1, n3, 1, 0)` is valid because all preconditions are satisfied, and the effects are correctly updated in the current state. The action moves `p4` to the correct destination floor, aligning with the goal state. The natural language description and visualization of the current state are accurate and consistent with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
