21.586 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.044 * [progress]: [Phase 2 of 3] Improving.
0.045 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
0.897 * * [progress]: iteration 1 / 4
0.897 * * * [progress]: picking best candidate
0.899 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.899 * * * [progress]: localizing error
0.904 * * * [progress]: generating rewritten candidates
0.904 * * * [progress]: generating series expansions
0.904 * * * [progress]: simplifying candidates
0.904 * [simplify]: Simplifying:
  
0.916 * * * [progress]: adding candidates to table
0.916 * [progress]: [Phase 3 of 3] Extracting.
0.919 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
3.037 * [regime-testing]: Baseline error score: 0.0006250781347668458
3.041 * [regime-testing]: Oracle error score: 0.0006250781347668458
3.041 * [regime-testing]: End program error score: 0.0006250781347668458