Parent State ID: 93
State Depth: 11
Action Taken: move-up-slow(slow0-0, n1, n2)
Action Reasoning: To get closer to the goal state, we should move elevator slow0-0 with passenger p4 to floor n3 where p4 needs to be. Since slow0-0 can only reach floor n2 from n1, we will move it to n2 first.
State Description: - fast0: Fast elevator at floor 3 (n3), 0/2 passengers, empty.- fast1: Fast elevator at floor 0 (n0), 0/2 passengers, empty.- slow0-0: Slow elevator now at floor 2 (n2), 1/1 passengers, occupied by p4.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, empty.- p0: On floor 1 (n1).- p1: On floor 3 (n3), no longer on fast0.- p2: On floor 4 (n4).- p3: On floor 4 (n4).- p4: Onboard slow0-0 at floor 2 (n2).- 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-up-fast(fast1, n2, n4)', 'board(p4, slow0-0, n1, 0, 1)', 'move-down-fast(fast1, n4, n0)', 'move-up-slow(slow0-0, n1, n2)']

successfully verified the action of new state 112 with the path: The action `move-up-slow(slow0-0, n1, n2)` is valid because all preconditions are met: `slow0-0` is at floor 1, can move to floor 2, and can reach floor 2. The effects are correctly reflected in the current state, with `slow0-0` at floor 2 and p4 onboard. The natural language description, diagram encoding, and visualization accurately represent the current state after the action sequence.

INACTIVE REASON: Pruned in beam search
