41.263 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.030 * * [simplify]: iteration 0: 5 enodes
0.031 * * [simplify]: iteration 1: 10 enodes
0.034 * * [simplify]: iteration 2: 17 enodes
0.038 * * [simplify]: iteration 3: 32 enodes
0.044 * * [simplify]: iteration 4: 57 enodes
0.057 * * [simplify]: iteration 5: 128 enodes
0.086 * * [simplify]: iteration 6: 201 enodes
0.142 * * [simplify]: iteration 7: 367 enodes
0.469 * * [simplify]: iteration 8: 1179 enodes
2.158 * * [simplify]: iteration 9: 4084 enodes
4.016 * * [simplify]: iteration complete: 5002 enodes
4.016 * * [simplify]: Extracting #0: cost 1 inf + 0
4.016 * * [simplify]: Extracting #1: cost 166 inf + 0
4.020 * * [simplify]: Extracting #2: cost 895 inf + 2
4.031 * * [simplify]: Extracting #3: cost 702 inf + 29891
4.076 * * [simplify]: Extracting #4: cost 180 inf + 115226
4.119 * * [simplify]: Extracting #5: cost 4 inf + 156981
4.159 * * [simplify]: Extracting #6: cost 0 inf + 157867
4.197 * [simplify]: Simplified to:
  (* (- x y) (+ y x))
4.197 * * [progress]: iteration 1 / 4
4.197 * * * [progress]: picking best candidate
4.200 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
4.200 * * * [progress]: localizing error
4.207 * * * [progress]: generating rewritten candidates
4.207 * * * [progress]: generating series expansions
4.207 * * * [progress]: simplifying candidates
4.207 * [simplify]: Simplifying:
  
4.207 * * [simplify]: iteration 0: 0 enodes
4.207 * * [simplify]: iteration complete: 0 enodes
4.207 * * [simplify]: Extracting #0: cost 0 inf + 0
4.207 * [simplify]: Simplified to:
  
4.207 * * * [progress]: adding candidates to table
4.208 * [progress]: [Phase 3 of 3] Extracting.
4.213 * [simplify]: Simplifying:
  (- (* x x) (* y y))
4.213 * * [simplify]: iteration 0: 5 enodes
4.213 * * [simplify]: iteration complete: 5 enodes
4.213 * * [simplify]: Extracting #0: cost 1 inf + 0
4.213 * * [simplify]: Extracting #1: cost 3 inf + 0
4.213 * * [simplify]: Extracting #2: cost 5 inf + 0
4.213 * * [simplify]: Extracting #3: cost 2 inf + 43
4.213 * * [simplify]: Extracting #4: cost 0 inf + 206
4.213 * [simplify]: Simplified to:
  (- (* x x) (* y y))
5.200 * [regime-testing]: Baseline error score: 0.007239266232730156
5.208 * [regime-testing]: Oracle error score: 0.007239266232730156
5.208 * [regime-testing]: End program error score: 0.007239266232730156