62.502 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.035 * * [simplify]: iteration 0: 5 enodes
0.037 * * [simplify]: iteration 1: 11 enodes
0.040 * * [simplify]: iteration 2: 18 enodes
0.045 * * [simplify]: iteration 3: 35 enodes
0.056 * * [simplify]: iteration 4: 66 enodes
0.085 * * [simplify]: iteration 5: 159 enodes
0.153 * * [simplify]: iteration 6: 286 enodes
0.268 * * [simplify]: iteration 7: 519 enodes
0.747 * * [simplify]: iteration 8: 1418 enodes
7.550 * * [simplify]: iteration 9: 4794 enodes
9.025 * * [simplify]: iteration complete: 5000 enodes
9.025 * * [simplify]: Extracting #0: cost 1 inf + 0
9.026 * * [simplify]: Extracting #1: cost 191 inf + 0
9.459 * * [simplify]: Extracting #2: cost 574 inf + 3326
9.500 * * [simplify]: Extracting #3: cost 140 inf + 78086
9.574 * * [simplify]: Extracting #4: cost 3 inf + 107323
9.623 * * [simplify]: Extracting #5: cost 0 inf + 106470
9.678 * [simplify]: Simplified to:
  (- (* a a) (* b b))
9.679 * * [progress]: iteration 1 / 4
9.679 * * * [progress]: picking best candidate
9.687 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
9.687 * * * [progress]: localizing error
9.702 * * * [progress]: generating rewritten candidates
9.702 * * * [progress]: generating series expansions
9.702 * * * [progress]: simplifying candidates
9.702 * [simplify]: Simplifying:
  
9.702 * * [simplify]: iteration 0: 0 enodes
9.702 * * [simplify]: iteration complete: 0 enodes
9.702 * * [simplify]: Extracting #0: cost 0 inf + 0
9.702 * [simplify]: Simplified to:
  
9.702 * * * [progress]: adding candidates to table
9.703 * [progress]: [Phase 3 of 3] Extracting.
9.710 * [simplify]: Simplifying:
  (- (* a a) (* b b))
9.710 * * [simplify]: iteration 0: 5 enodes
9.710 * * [simplify]: iteration complete: 5 enodes
9.710 * * [simplify]: Extracting #0: cost 1 inf + 0
9.710 * * [simplify]: Extracting #1: cost 3 inf + 0
9.710 * * [simplify]: Extracting #2: cost 5 inf + 0
9.710 * * [simplify]: Extracting #3: cost 2 inf + 43
9.711 * * [simplify]: Extracting #4: cost 0 inf + 206
9.711 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.082 * [regime-testing]: Baseline error score: 0.007239266232730156
11.091 * [regime-testing]: Oracle error score: 0.007239266232730156
11.091 * [regime-testing]: End program error score: 0.007239266232730156
11.230 * [regime-testing]: Target error score: 0.0011251406425803225