Parent State ID: 11
State Depth: 5
Action Taken: (move-down-fast fast1 n2 n0)
Action Reasoning: Next, I will move fast1 down to floor 0 (n0) with passengers p2 and p3 because it continues the sequence from the plan and fast1 is already full.
State Description: - **fast0**: A fast elevator currently at floor 0 (n0), with 0 passengers and a capacity of 2.- **fast1**: A fast elevator now at floor 0 (n0), with 2 passengers (p2 and p3) and a capacity of 2.- **slow0-0**: A slow elevator at floor 1 (n1), with 0 passengers and a capacity of 1.- **slow1-0**: A slow elevator at floor 3 (n3), with 0 passengers and a capacity of 1.- **p0**: On floor 1 (n1).- **p1**: On floor 1 (n1).- **p2**: Onboard fast1 at floor 0 (n0).- **p3**: Onboard fast1 at floor 0 (n0).- **p4**: On floor 1 (n1).- **p5**: On floor 3 (n3).
Action Path: ['(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 17 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 `n0` is reachable by `fast1`. The effects are correctly reflected in the current state, with `fast1` at `n0` and passengers `p2` and `p3` onboard. The diagram and natural language description accurately represent the state, and the action logically progresses towards the goal state.

INACTIVE REASON: Pruned in beam search
