42.701 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
0.850 * * [progress]: iteration 1 / 4
0.850 * * * [progress]: picking best candidate
0.852 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.852 * * * [progress]: localizing error
0.859 * * * [progress]: generating rewritten candidates
0.859 * * * [progress]: generating series expansions
0.859 * * * [progress]: simplifying candidates
0.859 * [simplify]: Simplifying:
  
0.875 * * * [progress]: adding candidates to table
0.875 * [progress]: [Phase 3 of 3] Extracting.
0.877 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
3.185 * [regime-testing]: Baseline error score: 0.0008751093886735842
3.188 * [regime-testing]: Oracle error score: 0.0008751093886735842
3.188 * [regime-testing]: End program error score: 0.0008751093886735842