Parent State ID: 18
State Depth: 4
Action Taken: (board p5 fast1 n5 0 1)
Action Reasoning: Fast1 is free at floor 5 and can take passenger p5 directly down to floor 0, aligning with the goal that p5 should reach floor 0 efficiently.
State Description: - **fast0**: At floor 0, 0/2 passengers.- **fast1**: At floor 5, 1/2 passengers, with passenger p5 on board.- **slow0-0**: At floor 2, 0/1 passengers.- **p0**: On floor 4.- **p1**: On floor 1.- **p2**: On floor 5.- **p3**: On floor 4.- **p4**: On floor 2.- **p5**: On board fast1 at floor 5.- **p6**: On floor 2.
Action Path: ['(board p2 fast1 n3 0 1)', '(move-up-fast fast1 n3 n5)', '(leave p2 fast1 n5 1 0)', '(board p5 fast1 n5 0 1)']

successfully verified the action of new state 30 with the path: The last action `(board p5 fast1 n5 0 1)` is valid because all preconditions are satisfied: `fast1` is at floor `n5`, `p5` is at floor `n5`, and `fast1` has capacity to board `p5`. The effects of the action are correctly updated in the current state, with `p5` on board `fast1` and the elevator's capacity updated to 1/2. The natural language description, diagram encoding, and visualization accurately reflect the current state and the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
