Parent State ID: 26
State Depth: 8
Action Taken: (move-down-fast fast1 n2 n0)
Action Reasoning: Passenger p3 needs to reach floor 0 (n0) eventually. Moving fast1 down to n0 will allow p3 to leave the elevator at the destination floor.
State Description: - fast0: At floor n0, 0/2 passengers.- fast1: At floor n0, 2/2 passengers (p2 and p3 on board).- slow0-0: At floor n0, 0/1 passengers.- slow1-0: At floor n3, 0/1 passengers.- p0: On floor n0.- p1: On floor n1.- p2: On board fast1.- p3: On board fast1.- p4: On floor n1.- p5: On floor n3.
Action Path: ['(board p0 slow0-0 n1 n0 n1)', '(move-down-slow slow0-0 n1 n0)', '(leave p0 slow0-0 n0 n1 n0)', '(move-up-fast fast1 n3 n4)', '(board p2 fast1 n4 n0 n1)', '(board p3 fast1 n4 n1 n2)', '(move-down-fast fast1 n4 n2)', '(move-down-fast fast1 n2 n0)']

successfully verified the action of new state 31 with the path: The last action `(move-down-fast fast1 n2 n0)` is valid as all preconditions are met: `fast1` is at `n2`, `n0` is below `n2`, and `fast1` can reach `n0`. The current state's description and visualization accurately reflect the effects of the action, with `fast1` at `n0` and `p2` and `p3` on board. The action logically progresses towards the goal state by moving `p3` closer to its destination.

INACTIVE REASON: Pruned in beam search
