Parent State ID: 115
State Depth: 11
Action Taken: down(robot1, tile_0-1, tile_1-1)
Action Reasoning: Since the robot is on tile_0-1 and all tiles in row 2 are painted, the robot needs to move down to start painting row 1. The robot should move down to tile_1-1 to paint it white, matching the goal state.
State Description: Tile tile_0-1 is clear. Tile tile_0-2 is clear. Tile tile_0-3 is clear. Tile tile_1-1 is occupied by robot1. 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_1-1, holding color black. 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)', 'up(robot1, tile_1-1, tile_0-1)', 'down(robot1, tile_0-1, tile_1-1)']

successfully verified the action of new state 137 with the path: The action `down(robot1, tile_0-1, tile_1-1)` is valid as all preconditions are met, and the effects are correctly applied in the current state. The action logically positions the robot to continue painting tiles in line with the goal state. The natural language description, diagram encoding, and visualization of the current state are consistent and accurate.

INACTIVE REASON: Pruned in beam search
