39.454 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.023 * * [simplify]: iteration 0: 5 enodes
0.024 * * [simplify]: iteration 1: 10 enodes
0.026 * * [simplify]: iteration 2: 17 enodes
0.028 * * [simplify]: iteration 3: 32 enodes
0.033 * * [simplify]: iteration 4: 57 enodes
0.060 * * [simplify]: iteration 5: 128 enodes
0.120 * * [simplify]: iteration 6: 201 enodes
0.225 * * [simplify]: iteration 7: 367 enodes
0.611 * * [simplify]: iteration 8: 1179 enodes
3.515 * * [simplify]: iteration 9: 4084 enodes
5.706 * * [simplify]: iteration complete: 5002 enodes
5.706 * * [simplify]: Extracting #0: cost 1 inf + 0
5.707 * * [simplify]: Extracting #1: cost 166 inf + 0
5.712 * * [simplify]: Extracting #2: cost 895 inf + 2
5.728 * * [simplify]: Extracting #3: cost 702 inf + 29891
5.760 * * [simplify]: Extracting #4: cost 180 inf + 115226
5.803 * * [simplify]: Extracting #5: cost 4 inf + 156981
5.843 * * [simplify]: Extracting #6: cost 0 inf + 157867
5.882 * [simplify]: Simplified to:
  (* (- a b) (+ b a))
5.883 * * [progress]: iteration 1 / 4
5.883 * * * [progress]: picking best candidate
5.886 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
5.886 * * * [progress]: localizing error
5.893 * * * [progress]: generating rewritten candidates
5.894 * * * [progress]: generating series expansions
5.894 * * * [progress]: simplifying candidates
5.894 * [simplify]: Simplifying:
  
5.894 * * [simplify]: iteration 0: 0 enodes
5.894 * * [simplify]: iteration complete: 0 enodes
5.894 * * [simplify]: Extracting #0: cost 0 inf + 0
5.894 * [simplify]: Simplified to:
  
5.894 * * * [progress]: adding candidates to table
5.894 * [progress]: [Phase 3 of 3] Extracting.
5.898 * [simplify]: Simplifying:
  (- (* a a) (* b b))
5.898 * * [simplify]: iteration 0: 5 enodes
5.898 * * [simplify]: iteration complete: 5 enodes
5.898 * * [simplify]: Extracting #0: cost 1 inf + 0
5.898 * * [simplify]: Extracting #1: cost 3 inf + 0
5.898 * * [simplify]: Extracting #2: cost 5 inf + 0
5.898 * * [simplify]: Extracting #3: cost 2 inf + 43
5.898 * * [simplify]: Extracting #4: cost 0 inf + 206
5.899 * [simplify]: Simplified to:
  (- (* a a) (* b b))
7.177 * [regime-testing]: Baseline error score: 0.007239266232730156
7.194 * [regime-testing]: Oracle error score: 0.007239266232730156
7.194 * [regime-testing]: End program error score: 0.007239266232730156
7.309 * [regime-testing]: Target error score: 0.0011251406425803225