21.662 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.022 * * [simplify]: Extracting # 0 : cost  1  inf +  0
0.022 * * [simplify]: Extracting # 1 : cost  3  inf +  0
0.022 * * [simplify]: Extracting # 2 : cost  5  inf +  0
0.022 * * [simplify]: Extracting # 3 : cost  2  inf +  43
0.022 * * [simplify]: Extracting # 4 : cost  0  inf +  206
0.022 * * [simplify]: iteration  0 :  5  enodes  (cost  122 )
0.023 * * [simplify]: Extracting # 0 : cost  0  inf +  206
0.023 * * [simplify]: Extracting # 1 : cost  3  inf +  206
0.024 * * [simplify]: Extracting # 2 : cost  0  inf +  371
0.024 * * [simplify]: iteration  1 :  10  enodes  (cost  122 )
0.025 * * [simplify]: Extracting # 0 : cost  0  inf +  371
0.025 * * [simplify]: Extracting # 1 : cost  1  inf +  371
0.026 * * [simplify]: Extracting # 2 : cost  0  inf +  412
0.026 * * [simplify]: iteration  2 :  17  enodes  (cost  122 )
0.028 * * [simplify]: Extracting # 0 : cost  0  inf +  412
0.028 * * [simplify]: Extracting # 1 : cost  8  inf +  412
0.029 * * [simplify]: Extracting # 2 : cost  0  inf +  1148
0.029 * * [simplify]: iteration  3 :  32  enodes  (cost  122 )
0.034 * * [simplify]: Extracting # 0 : cost  0  inf +  1148
0.035 * * [simplify]: Extracting # 1 : cost  6  inf +  1148
0.035 * * [simplify]: Extracting # 2 : cost  0  inf +  1560
0.036 * * [simplify]: iteration  4 :  57  enodes  (cost  122 )
0.049 * * [simplify]: Extracting # 0 : cost  0  inf +  1560
0.049 * * [simplify]: Extracting # 1 : cost  17  inf +  1560
0.050 * * [simplify]: Extracting # 2 : cost  0  inf +  4714
0.052 * * [simplify]: iteration  5 :  128  enodes  (cost  122 )
0.092 * * [simplify]: Extracting # 0 : cost  0  inf +  4714
0.094 * * [simplify]: Extracting # 1 : cost  19  inf +  4234
0.097 * * [simplify]: Extracting # 2 : cost  0  inf +  6791
0.100 * * [simplify]: Extracting # 3 : cost  0  inf +  6671
0.103 * * [simplify]: iteration  6 :  201  enodes  (cost  122 )
0.155 * * [simplify]: Extracting # 0 : cost  0  inf +  6671
0.159 * * [simplify]: Extracting # 1 : cost  46  inf +  5871
0.165 * * [simplify]: Extracting # 2 : cost  0  inf +  13477
0.174 * * [simplify]: Extracting # 3 : cost  0  inf +  13357
0.188 * * [simplify]: iteration  7 :  367  enodes  (cost  122 )
0.617 * * [simplify]: Extracting # 0 : cost  0  inf +  13357
0.631 * * [simplify]: Extracting # 1 : cost  207  inf +  11712
0.665 * * [simplify]: Extracting # 2 : cost  0  inf +  49614
0.706 * * [simplify]: Extracting # 3 : cost  0  inf +  47672
0.748 * * [simplify]: iteration  8 :  1179  enodes  (cost  122 )
2.919 * * [simplify]: Extracting # 0 : cost  0  inf +  47672
3.014 * * [simplify]: Extracting # 1 : cost  784  inf +  35718
3.146 * * [simplify]: Extracting # 2 : cost  6  inf +  172647
3.369 * * [simplify]: Extracting # 3 : cost  0  inf +  168257
3.574 * * [simplify]: Extracting # 4 : cost  0  inf +  166298
3.769 * * [simplify]: Extracting # 5 : cost  0  inf +  166061
3.940 * * [simplify]: iteration  9 :  4084  enodes  (cost  122 )
6.399 * * [simplify]: Extracting # 0 : cost  0  inf +  166061
6.663 * * [simplify]: Extracting # 1 : cost  355  inf +  154934
6.978 * * [simplify]: Extracting # 2 : cost  23  inf +  206379
7.319 * * [simplify]: Extracting # 3 : cost  0  inf +  206998
7.720 * * [simplify]: iteration complete:  5002  enodes  (cost  122 )
7.720 * [simplify]: Simplified to:
  (- (* a a) (* b b))
7.720 * * [progress]: iteration 1 / 4
7.720 * * * [progress]: picking best candidate
7.725 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
7.725 * * * [progress]: localizing error
7.739 * * * [progress]: generating rewritten candidates
7.739 * * * [progress]: generating series expansions
7.739 * * * [progress]: simplifying candidates
7.740 * [simplify]: Simplifying:
  
7.740 * * [simplify]: Extracting # 0 : cost  0  inf +  0
7.740 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
7.740 * * [simplify]: Extracting # 0 : cost  0  inf +  0
7.740 * * [simplify]: iteration complete:  0  enodes  (cost  0 )
7.740 * [simplify]: Simplified to:
  
7.740 * * * [progress]: adding candidates to table
7.741 * [progress]: [Phase 3 of 3] Extracting.
7.746 * [simplify]: Simplifying:
  (- (* a a) (* b b))
7.746 * * [simplify]: Extracting # 0 : cost  1  inf +  0
7.747 * * [simplify]: Extracting # 1 : cost  3  inf +  0
7.747 * * [simplify]: Extracting # 2 : cost  5  inf +  0
7.747 * * [simplify]: Extracting # 3 : cost  2  inf +  43
7.747 * * [simplify]: Extracting # 4 : cost  0  inf +  206
7.747 * * [simplify]: iteration  0 :  5  enodes  (cost  122 )
7.747 * * [simplify]: Extracting # 0 : cost  0  inf +  206
7.747 * * [simplify]: iteration complete:  5  enodes  (cost  122 )
7.747 * [simplify]: Simplified to:
  (- (* a a) (* b b))
8.934 * [regime-testing]: Baseline error score: 0.0068971027630256665
8.947 * [regime-testing]: Oracle error score: 0.0068971027630256665
8.947 * [regime-testing]: End program error score: 0.0068971027630256665
9.036 * [regime-testing]: Target error score: 0.0008751093886735842