Parent State ID: 146
State Depth: 13
Action Taken: up(robot1, tile_1-3, tile_0-3)
Action Reasoning: The next best action is to move the robot up from tile_1-3 to tile_0-3. This is necessary because all tiles in row 2 are painted. Moving up allows the robot to position itself to paint tiles in row 1, starting with tile_1-3.
State Description: Tile tile_0-1 is clear. Tile tile_0-2 is clear. Tile tile_0-3 is occupied by robot1. Tile tile_1-1 is clear. Tile tile_1-2 is clear. Tile tile_1-3 is clear. Tile tile_2-1 is painted black. Tile tile_2-2 is painted white. Tile tile_2-3 is painted black. Robot1 is on tile_0-3, holding color white. Colors white and black are available for switching.
Action Path: ['right(robot1, tile_0-1, tile_0-2)', 'down(robot1, tile_0-2, tile_1-2)', 'paint-down(robot1, tile_2-2, tile_1-2, white)', 'change-color(robot1, white, black)', 'paint-down(robot1, tile_2-3, tile_1-2, black)', 'right(robot1, tile_1-2, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)', 'left(robot1, tile_1-2, tile_1-1)', 'paint-down(robot1, tile_2-1, tile_1-1, black)', 'right(robot1, tile_1-1, tile_1-2)', 'right(robot1, tile_1-2, tile_1-3)', 'change-color(robot1, black, white)', 'up(robot1, tile_1-3, tile_0-3)']

successfully verified the action of new state 164 with the path: The last action `up(robot1, tile_1-3, tile_0-3)` is valid because all preconditions are met, and the effects are correctly updated in the current state. The action is logical for achieving the goal state as it allows the robot to start painting row 1 after completing row 2. The natural language and diagram encoding descriptions are accurate, and the visualization correctly represents the current state.

INACTIVE REASON: Pruned in beam search
