39.960 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: Extracting # 3 : cost  0
0.035 * * [simplify]: Extracting # 4 : cost  0
0.035 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.040 * * [simplify]: Extracting # 2 : cost  0
0.040 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: Extracting # 1 : cost  0
0.057 * * [simplify]: Extracting # 2 : cost  0
0.058 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.089 * * [simplify]: Extracting # 0 : cost  0
0.089 * * [simplify]: Extracting # 1 : cost  0
0.091 * * [simplify]: Extracting # 2 : cost  0
0.091 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.158 * * [simplify]: Extracting # 0 : cost  0
0.159 * * [simplify]: Extracting # 1 : cost  0
0.159 * * [simplify]: Extracting # 2 : cost  0
0.160 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.333 * * [simplify]: Extracting # 0 : cost  0
0.334 * * [simplify]: Extracting # 1 : cost  0
0.335 * * [simplify]: Extracting # 2 : cost  0
0.335 * * [simplify]: Extracting # 3 : cost  0
0.336 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.389 * * [simplify]: Extracting # 0 : cost  0
1.392 * * [simplify]: Extracting # 1 : cost  0
1.396 * * [simplify]: Extracting # 2 : cost  0
1.398 * * [simplify]: Extracting # 3 : cost  0
1.401 * * [simplify]: Extracting # 4 : cost  0
1.403 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.087 * * [simplify]: Extracting # 0 : cost  0
11.103 * * [simplify]: Extracting # 1 : cost  0
11.106 * * [simplify]: Extracting # 2 : cost  0
11.109 * * [simplify]: Extracting # 3 : cost  0
11.112 * * [simplify]: Extracting # 4 : cost  0
11.115 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.115 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.116 * * [progress]: iteration 1 / 4
11.116 * * * [progress]: picking best candidate
11.117 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.117 * * * [progress]: localizing error
11.124 * * * [progress]: generating rewritten candidates
11.124 * * * [progress]: generating series expansions
11.125 * * * [progress]: simplifying candidates
11.125 * [simplify]: Simplifying:
  
11.125 * * [simplify]: Extracting # 0 : cost  0
11.125 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
11.125 * * [simplify]: Extracting # 0 : cost  0
11.125 * * [simplify]: iteration done:  0  enodes  (cost  0 )
11.125 * [simplify]: Simplified to:
  
11.125 * * * [progress]: adding candidates to table
11.125 * [progress]: [Phase 3 of 3] Extracting.
11.127 * [simplify]: Simplifying:
  (- (* a a) (* b b))
11.127 * * [simplify]: Extracting # 0 : cost  0
11.128 * * [simplify]: Extracting # 1 : cost  0
11.128 * * [simplify]: Extracting # 2 : cost  0
11.128 * * [simplify]: Extracting # 3 : cost  0
11.128 * * [simplify]: Extracting # 4 : cost  0
11.128 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
11.128 * * [simplify]: Extracting # 0 : cost  0
11.128 * * [simplify]: iteration done:  5  enodes  (cost  7 )
11.128 * [simplify]: Simplified to:
  (- (* a a) (* b b))
12.187 * [regime-testing]: Baseline error score: 0.006500812601575197
12.191 * [regime-testing]: Oracle error score: 0.006500812601575197
12.191 * [regime-testing]: End program error score: 0.006500812601575197
12.228 * [regime-testing]: Target error score: 0.0011251406425803225