Parent State ID: 14
State Depth: 4
Action Taken: move-up-fast(fast0, n0, n1)
Action Reasoning: We need to bring fast0 to floor n1 to pick up passengers p0, p1, and p4. Since it's currently at n0, moving it up to n1 will allow boarding.
State Description: - fast0 is at floor n1, empty, capacity 2.- fast1 is at floor n3, empty, capacity 2.- slow0-0 is at floor n1, empty, capacity 1.- slow1-0 is at floor n2, empty, capacity 1.- p0, p1, p4: On floor n1.- p5: On floor n2.- p2, p3: On floor n4.
Action Path: ['board(p5, slow1-0, n3, 0, 1)', 'move-down-slow(slow1-0, n3, n2)', 'leave(p5, slow1-0, n2, 1, 0)', 'move-up-fast(fast0, n0, n1)']

successfully verified the action of new state 31 with the path: The action `move-up-fast(fast0, n0, n1)` is valid as all preconditions are met, and the effects are correctly updated in the current state. The action logically progresses towards the goal state by positioning the elevator to pick up passengers. The natural language description, diagram encoding, and visualization of the current state are accurate and consistent with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
