Parent State ID: 136
State Depth: 12
Action Taken: right(robot1, tile_0-1, tile_0-2)
Action Reasoning: The robot is currently on tile_0-1 and holding the color white. To progress towards the goal, the robot should move to a position where it can paint the remaining tiles in row 1. Moving right to tile_0-2 will position the robot to paint tile_1-2 next, which needs to be painted black. This move sets up the robot to change color and paint the next required tile.
State Description: Tile tile_0-1 is clear. Tile tile_0-2 is occupied by robot1. Tile tile_0-3 is clear. 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_0-2, 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)', 'up(robot1, tile_1-1, tile_0-1)', 'change-color(robot1, black, white)', 'right(robot1, tile_0-1, tile_0-2)']

successfully verified the action of new state 153 with the path: The last action `right(robot1, tile_0-1, tile_0-2)` is valid as all preconditions are met, and the effects are correctly reflected in the current state. The natural language description, diagram encoding, and visualization accurately represent the current state, and the action logically progresses towards the goal state.

INACTIVE REASON: Pruned in beam search
