Parent State ID: 63
State Depth: 8
Action Taken: move-up-fast(fast0, n0, n1)
Action Reasoning: Move fast0 to floor n1 to pick up passengers p0 and p4 because they need to be transported to their goal floors.
State Description: - fast0: At floor 1 (n1), 0/2 passengers.- fast1: At floor 0 (n0), 0/2 passengers, clear.- slow0-0: At floor 1 (n1), 0/1 passengers.- slow1-0: At floor 3 (n3), 0/1 passengers.- p0: On floor 1 (n1), waiting to board.- p1: On floor 1 (n1), clear.- p2: On floor 4 (n4), clear.- p3: On floor 0 (n0), clear.- p4: On floor 1 (n1), waiting to board.- p5: On floor 2 (n2), clear.
Action Path: ['board(p5, fast1, n3, 0, 1)', 'move-down-fast(fast1, n3, n2)', 'leave(p5, 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-up-fast(fast0, n0, n1)']

successfully verified the action of new state 78 with the path: The last action `move-up-fast(fast0, n0, n1)` is valid because all preconditions are satisfied, and the effects are correctly updated 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.

INACTIVE REASON: Pruned in beam search
