Parent State ID: 123
State Depth: 13
Action Taken: board(p2, fast1, n4, 0, 1)
Action Reasoning: To move passengers p2 and p3 towards their destination, I will board them onto fast1, which is already at floor 4. This action does not violate any constraints and moves us closer to the goal state.
State Description: - fast0: Fast elevator at floor 0 (n0), 0/2 passengers, empty.- fast1: Fast elevator at floor 4 (n4), 1/2 passengers, contains passenger p2.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, empty.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, empty.- p0: On floor 0 (n0).- p1: On floor 3 (n3).- p2: On board fast1.- p3: On floor 4 (n4).- p4: On floor 1 (n1).- p5: On floor 2 (n2).
Action Path: ['board(p5, fast1, n3, 0, 1)', 'move-down-fast(fast1, n3, n2)', 'move-up-fast(fast0, n0, n1)', 'board(p1, fast0, n1, 0, 1)', 'move-up-fast(fast0, n1, n3)', 'leave(p1, fast0, n3, 1, 0)', 'leave(p5, fast1, n2, 1, 0)', 'move-down-fast(fast0, n3, n1)', 'board(p0, fast0, n1, 0, 1)', 'move-down-fast(fast0, n1, n0)', 'leave(p0, fast0, n0, 1, 0)', 'move-up-fast(fast1, n2, n4)', 'board(p2, fast1, n4, 0, 1)']

successfully verified the action of new state 141 with the path: The action `board(p2, fast1, n4, 0, 1)` is valid because all preconditions are met: `fast1` is at `n4`, `p2` is at `n4`, and the capacity change is valid. The effects are correctly reflected in the current state. The natural language description, diagram encoding, and visualization accurately represent the current state after the action.

INACTIVE REASON: Pruned in beam search
