Parent State ID: 197
State Depth: 20
Action Taken: move-down-fast(fast0, n1, n0)
Action Reasoning: Since p0 is at floor 1 and needs to go to floor 0, we should move fast0 down to floor 0 to let p0 board and then leave. This aligns with the long-term goal of placing p0 on floor 0.
State Description: - fast0: Fast elevator at floor 0 (n0), 0/2 passengers, empty.- fast1: Fast elevator at floor 3 (n3), 1/2 passengers, has passenger p4.- 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: Boarded on fast1 at floor 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)', 'move-down-fast(fast0, n1, n0)']

successfully verified the action of new state 207 with the path: The last action `move-down-fast(fast0, n1, n0)` is valid as it satisfies all preconditions: `fast0` is at `n1`, `n0` is below `n1`, and `n0` is reachable by `fast0`. The action's effects are correctly reflected in the current state. The natural language description, diagram encoding, and visualization of the current state are consistent and accurate with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
