Parent State ID: 110
State Depth: 12
Action Taken: move-down-fast(fast1, n4, n2)
Action Reasoning: We should move fast1 from floor 4 to floor 2 to pick up p2 and transport them to their goal at floor 2. This aligns with the goal of minimizing idle passengers.
State Description: - fast0: Fast elevator at floor 0 (n0), 1/2 passengers, contains passenger p0.- fast1: Fast elevator at floor 2 (n2), 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 board fast0 at floor 0 (n0).- p1: On floor 3 (n3).- p2: On floor 4 (n4).- p3: On floor 4 (n4).- p4: On floor 1 (n1).- 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-down-fast(fast0, n3, n1)', 'board(p0, fast0, n1, 0, 1)', 'move-down-fast(fast0, n1, n0)', 'move-up-fast(fast1, n2, n4)', 'move-down-fast(fast1, n4, n2)']

successfully verified the action of new state 131 with the path: The action `move-down-fast(fast1, n4, n2)` is valid as all preconditions are met: `fast1` was at floor 4, floor 2 is below floor 4, and floor 2 is reachable by `fast1`. The current state's natural language description and visualization accurately reflect the effects of the action and the sequence of actions taken. All objects from the initial state are present, and their statuses are correctly visualized.

INACTIVE REASON: Pruned in beam search
