Parent State ID: 106
State Depth: 12
Action Taken: (board p1 fast1 n1 0 1)
Action Reasoning: The best action is to board passenger p1 on fast1 on floor 1, as this aligns with the goal of transporting p1 to floor 1 and ensures minimal delays.
State Description: - fast0: At floor 5 (n5), 0/2 passengers.- fast1: At floor 1 (n1), 1/2 passengers, p1 on board.- slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 4 (n4).- p1: On elevator fast1.- 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)', '(move-up-fast fast1 n0 n1)', '(move-up-fast fast0 n4 n5)', '(board p1 fast1 n1 0 1)']

successfully verified the action of new state 125 with the path: The last action `(board p1 fast1 n1 0 1)` is valid because all preconditions are met: `fast1` is at floor `n1`, `p1` is at floor `n1`, and `fast1` has capacity. The effects are correctly reflected in the current state, with `p1` on `fast1` and the capacity updated. The action is logical for achieving the goal state, as it positions `p1` to be moved to floor `n1`. The natural language description, diagram encoding, and visualization are consistent and accurate.

INACTIVE REASON: Pruned in beam search
