Parent State ID: 145
State Depth: 15
Action Taken: (move-up-fast fast1 n4 n5)
Action Reasoning: To optimize sequencing and ensure that passengers reach their correct destinations efficiently, move fast1 up from floor 4 to floor 5 to pick up both p2 and p3 for immediate transportation since they should both be on floor 5 in the goal state.
State Description: - fast0: At floor 2 (n2), 1/2 passengers (p4).- fast1: At floor 5 (n5), 0/2 passengers, ready to pick up more.- slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 2 (n2).- p1: On floor 1 (n1).- p2: On floor 5 (n5).- p3: On floor 4 (n4).- p4: On board fast0 at floor 2 (n2).- 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)', '(board p0 fast0 n4 0 1)', '(move-down-fast fast0 n4 n2)', '(leave p0 fast0 n2 1 0)', '(move-up-fast fast1 n0 n4)', '(board p4 fast0 n2 0 1)', '(move-up-fast fast1 n4 n5)']

successfully verified the action of new state 159 with the path: The last action `(move-up-fast fast1 n4 n5)` is valid because all preconditions are satisfied: `fast1` is at `n4`, `n5` is above `n4`, and `n5` is reachable by `fast1`. The current state's description and visualization accurately reflect the sequence of actions taken, and all objects from the initial state are present. The action moves the system closer to the goal state.

INACTIVE REASON: Pruned in beam search
