Parent State ID: 144
State Depth: 15
Action Taken: (move-down-fast fast1 n5 n4)
Action Reasoning: To move closer to the goal state, we need to move p3 from floor 4 to floor 5. Fast1 is already at floor 5 and can pick up p3 from floor 4. This minimizes travel cost and aligns with the goal state.
State Description: - fast0: At floor 2 (n2), 0/2 passengers.- fast1: At floor 4 (n4), 0/2 passengers, ready to board passengers.- slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 2 (n2).- p1: On floor 1 (n1).- p2: On floor 5 (n5).- p3: On floor 4 (n4).- p4: On floor 2 (n2).- p5: On floor 0 (n0).- p6: On floor 2 (n2).
Action Path: ['(board p2 fast1 n3 0 1)', '(move-up-fast fast1 n3 n5)', '(move-up-fast fast0 n0 n1)', '(leave p2 fast1 n5 1 0)', '(board p5 fast1 n5 0 1)', '(move-down-fast fast1 n5 n0)', '(leave p5 fast1 n0 1 0)', '(move-up-fast fast0 n1 n2)', '(move-up-fast fast0 n2 n4)', '(board p0 fast0 n4 0 1)', '(move-down-fast fast0 n4 n2)', '(leave p0 fast0 n2 1 0)', '(move-up-fast fast1 n0 n4)', '(move-up-fast fast1 n4 n5)', '(move-down-fast fast1 n5 n4)']

successfully verified the action of new state 156 with the path: The last action is valid as all preconditions are satisfied, and the effects are correctly updated in the current state. The natural language description, diagram encoding, and visualization accurately reflect the state after the sequence of actions. All objects from the initial state are present, and their statuses are correctly visualized.

INACTIVE REASON: Pruned in beam search
