14.559 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.059 * * * [progress]: [2/2] Setting up program.
0.062 * [progress]: [Phase 2 of 3] Improving.
0.063 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
0.063 * * [simplify]: iteration 0: 6 enodes
0.064 * * [simplify]: iteration 1: 14 enodes
0.067 * * [simplify]: iteration 2: 29 enodes
0.073 * * [simplify]: iteration 3: 69 enodes
0.095 * * [simplify]: iteration 4: 194 enodes
0.180 * * [simplify]: iteration 5: 613 enodes
0.965 * * [simplify]: iteration 6: 2795 enodes
2.115 * * [simplify]: iteration complete: 5038 enodes
2.115 * * [simplify]: Extracting #0: cost 1 inf + 0
2.115 * * [simplify]: Extracting #1: cost 63 inf + 0
2.117 * * [simplify]: Extracting #2: cost 422 inf + 0
2.129 * * [simplify]: Extracting #3: cost 1163 inf + 1143
2.139 * * [simplify]: Extracting #4: cost 1490 inf + 2992
2.166 * * [simplify]: Extracting #5: cost 1231 inf + 118365
2.233 * * [simplify]: Extracting #6: cost 589 inf + 577721
2.390 * * [simplify]: Extracting #7: cost 104 inf + 966547
2.567 * * [simplify]: Extracting #8: cost 0 inf + 1035009
2.711 * * [simplify]: Extracting #9: cost 0 inf + 1022372
2.879 * * [simplify]: Extracting #10: cost 0 inf + 1022001
3.066 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
3.066 * * [progress]: iteration 1 / 4
3.066 * * * [progress]: picking best candidate
3.070 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
3.070 * * * [progress]: localizing error
3.078 * * * [progress]: generating rewritten candidates
3.078 * * * [progress]: generating series expansions
3.078 * * * [progress]: simplifying candidates
3.079 * [simplify]: Simplifying:
  
3.079 * * [simplify]: iteration 0: 0 enodes
3.079 * * [simplify]: iteration complete: 0 enodes
3.079 * * [simplify]: Extracting #0: cost 0 inf + 0
3.079 * [simplify]: Simplified to:
  
3.079 * * * [progress]: adding candidates to table
3.079 * [progress]: [Phase 3 of 3] Extracting.
3.083 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
3.084 * * [simplify]: iteration 0: 6 enodes
3.084 * * [simplify]: iteration complete: 6 enodes
3.084 * * [simplify]: Extracting #0: cost 1 inf + 0
3.084 * * [simplify]: Extracting #1: cost 3 inf + 0
3.084 * * [simplify]: Extracting #2: cost 6 inf + 0
3.084 * * [simplify]: Extracting #3: cost 2 inf + 215
3.084 * * [simplify]: Extracting #4: cost 0 inf + 890
3.084 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
5.544 * [regime-testing]: Baseline error score: 0.0031985201276060952
5.562 * [regime-testing]: Oracle error score: 0.0031985201276060952
5.562 * [regime-testing]: End program error score: 0.0031985201276060952