46.248 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: Extracting # 3 : cost  0
0.034 * * [simplify]: Extracting # 4 : cost  0
0.034 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.036 * * [simplify]: Extracting # 0 : cost  0
0.036 * * [simplify]: Extracting # 1 : cost  0
0.036 * * [simplify]: Extracting # 2 : cost  0
0.036 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: Extracting # 1 : cost  0
0.038 * * [simplify]: Extracting # 2 : cost  0
0.038 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.050 * * [simplify]: Extracting # 2 : cost  0
0.050 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.078 * * [simplify]: Extracting # 1 : cost  0
0.078 * * [simplify]: Extracting # 2 : cost  0
0.078 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.133 * * [simplify]: Extracting # 0 : cost  0
0.133 * * [simplify]: Extracting # 1 : cost  0
0.133 * * [simplify]: Extracting # 2 : cost  0
0.134 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.279 * * [simplify]: Extracting # 0 : cost  0
0.280 * * [simplify]: Extracting # 1 : cost  0
0.281 * * [simplify]: Extracting # 2 : cost  0
0.281 * * [simplify]: Extracting # 3 : cost  0
0.282 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.387 * * [simplify]: Extracting # 0 : cost  0
1.389 * * [simplify]: Extracting # 1 : cost  0
1.392 * * [simplify]: Extracting # 2 : cost  0
1.395 * * [simplify]: Extracting # 3 : cost  0
1.397 * * [simplify]: Extracting # 4 : cost  0
1.400 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.724 * * [simplify]: Extracting # 0 : cost  0
11.746 * * [simplify]: Extracting # 1 : cost  0
11.752 * * [simplify]: Extracting # 2 : cost  0
11.758 * * [simplify]: Extracting # 3 : cost  0
11.764 * * [simplify]: Extracting # 4 : cost  0
11.769 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.769 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.770 * * [progress]: iteration 1 / 4
11.770 * * * [progress]: picking best candidate
11.772 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.772 * * * [progress]: localizing error
11.780 * * * [progress]: generating rewritten candidates
11.781 * * * [progress]: generating series expansions
11.781 * * * [progress]: simplifying candidates
11.781 * [simplify]: Simplifying:
  
11.781 * * [simplify]: Extracting # 0 : cost  0
11.781 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
11.781 * * [simplify]: Extracting # 0 : cost  0
11.781 * * [simplify]: iteration done:  0  enodes  (cost  0 )
11.781 * [simplify]: Simplified to:
  
11.781 * * * [progress]: adding candidates to table
11.781 * [progress]: [Phase 3 of 3] Extracting.
11.783 * [simplify]: Simplifying:
  (- (* a a) (* b b))
11.784 * * [simplify]: Extracting # 0 : cost  0
11.784 * * [simplify]: Extracting # 1 : cost  0
11.784 * * [simplify]: Extracting # 2 : cost  0
11.784 * * [simplify]: Extracting # 3 : cost  0
11.784 * * [simplify]: Extracting # 4 : cost  0
11.784 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
11.784 * * [simplify]: Extracting # 0 : cost  0
11.784 * * [simplify]: iteration done:  5  enodes  (cost  7 )
11.784 * [simplify]: Simplified to:
  (- (* a a) (* b b))
12.882 * [regime-testing]: End program error score: 0.006500812601575197
12.908 * [regime-testing]: Target error score: 0.0011251406425803225