22.710 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.048 * * * [progress]: [2/2] Setting up program.
0.052 * [progress]: [Phase 2 of 3] Improving.
0.052 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (a b) (- (* a a) (* b b)))>
0.053 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.053 * * [simplify]: iteration 1: (5 enodes)
0.055 * * [simplify]: iteration 2: (11 enodes)
0.059 * * [simplify]: iteration 3: (18 enodes)
0.065 * * [simplify]: iteration 4: (35 enodes)
0.078 * * [simplify]: iteration 5: (66 enodes)
0.116 * * [simplify]: iteration 6: (159 enodes)
0.160 * * [simplify]: iteration 7: (286 enodes)
0.312 * * [simplify]: iteration 8: (519 enodes)
1.027 * * [simplify]: iteration 9: (1414 enodes)
7.505 * * [simplify]: Extracting #0: cost 1 inf + 0
7.506 * * [simplify]: Extracting #1: cost 186 inf + 0
7.512 * * [simplify]: Extracting #2: cost 626 inf + 3312
7.530 * * [simplify]: Extracting #3: cost 260 inf + 73416
7.570 * * [simplify]: Extracting #4: cost 12 inf + 124038
7.617 * * [simplify]: Extracting #5: cost 0 inf + 126859
7.664 * * [simplify]: Extracting #6: cost 0 inf + 126648
7.708 * * [simplify]: Extracting #7: cost 0 inf + 126608
7.763 * [simplify]: Simplified to:
  (- (* a a) (* b b))
7.767 * * [progress]: iteration 1 / 4
7.767 * * * [progress]: picking best candidate
7.770 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
7.770 * * * [progress]: localizing error
7.783 * * * [progress]: generating rewritten candidates
7.784 * * * [progress]: generating series expansions
7.784 * * * [progress]: simplifying candidates
7.784 * [simplify]: Simplifying:
  
7.784 * * [simplify]: iteration 1: (0 enodes)
7.784 * * [simplify]: Extracting #0: cost 0 inf + 0
7.784 * [simplify]: Simplified to:
  
7.784 * * * [progress]: adding candidates to table
7.785 * [progress]: [Phase 3 of 3] Extracting.
7.787 * [simplify]: Simplifying:
  (- (* a a) (* b b))
7.788 * * [simplify]: iteration 1: (5 enodes)
7.788 * * [simplify]: Extracting #0: cost 1 inf + 0
7.788 * * [simplify]: Extracting #1: cost 3 inf + 0
7.788 * * [simplify]: Extracting #2: cost 5 inf + 0
7.788 * * [simplify]: Extracting #3: cost 2 inf + 43
7.788 * * [simplify]: Extracting #4: cost 0 inf + 206
7.788 * [simplify]: Simplified to:
  (- (* a a) (* b b))
9.146 * [regime-testing]: Baseline error score: 0.006875859482435304
9.149 * [regime-testing]: Oracle error score: 0.006875859482435304
9.149 * [regime-testing]: End program error score: 0.006875859482435304
9.201 * [regime-testing]: Target error score: 0.0007500937617202151