Parent State ID: 137
State Depth: 14
Action Taken: (board p0 fast0 n4 0 1)
Action Reasoning: To maximize efficiency, the next best action is to board passenger p0 onto the elevator fast0 at floor 4 (n4) since p0 needs to go to floor 2, reducing further delay and aligning with the goal state.
State Description: - **fast0**: At floor 4 (n4), 1/2 passengers with p0 on board.- **fast1**: At floor 1 (n1), 0/2 passengers.- **slow0-0**: At floor 2 (n2), 1/1 passenger with p4 on board.- **p0**: On board fast0.- **p1**: On floor 1 (n1).- **p2**: On floor 5 (n5).- **p3**: On floor 4 (n4).- **p4**: On board slow0-0.- **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)', '(board p4 slow0-0 n2 0 1)', '(move-up-slow slow0-0 n2 n3)', '(move-down-slow slow0-0 n3 n2)', '(board p0 fast0 n4 0 1)']

successfully verified the action of new state 152 with the path: The action `(board p0 fast0 n4 0 1)` is valid because all preconditions are met: `fast0` is at `n4`, `p0` is at `n4`, and `fast0` has capacity. The effects are correctly reflected in the current state, moving `p0` onto `fast0` and updating its capacity. The current state's description and visualization are consistent with the actions taken, and all objects from the initial state are present.

INACTIVE REASON: Pruned in beam search
