12.005 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.066 * * * [progress]: [2/2] Setting up program.
0.069 * [progress]: [Phase 2 of 3] Improving.
0.069 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
2.434 * * [progress]: iteration 1 / 4
2.434 * * * [progress]: picking best candidate
2.437 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
2.437 * * * [progress]: localizing error
2.450 * * * [progress]: generating rewritten candidates
2.450 * * * [progress]: generating series expansions
2.450 * * * [progress]: simplifying candidates
2.450 * [simplify]: Simplifying:
  
2.467 * * * [progress]: adding candidates to table
2.467 * [progress]: [Phase 3 of 3] Extracting.
2.470 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
7.307 * [regime-testing]: Baseline error score: 0.0025003125390673834
7.311 * [regime-testing]: Oracle error score: 0.0025003125390673834
7.311 * [regime-testing]: End program error score: 0.0025003125390673834