2.902 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.034 * * * [progress]: [2/2] Setting up program.
0.036 * [progress]: [Phase 2 of 3] Improving.
0.037 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: Extracting # 3 : cost  0
0.037 * * [simplify]: Extracting # 4 : cost  0
0.037 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: iteration  2 :  18  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  3 :  35  enodes  (cost  7 )
0.067 * * [simplify]: Extracting # 0 : cost  0
0.067 * * [simplify]: Extracting # 1 : cost  0
0.067 * * [simplify]: Extracting # 2 : cost  0
0.068 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.116 * * [simplify]: Extracting # 0 : cost  0
0.117 * * [simplify]: Extracting # 1 : cost  0
0.117 * * [simplify]: Extracting # 2 : cost  0
0.117 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.217 * * [simplify]: Extracting # 0 : cost  0
0.217 * * [simplify]: Extracting # 1 : cost  0
0.218 * * [simplify]: Extracting # 2 : cost  0
0.218 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.400 * * [simplify]: Extracting # 0 : cost  0
0.401 * * [simplify]: Extracting # 1 : cost  0
0.401 * * [simplify]: Extracting # 2 : cost  0
0.402 * * [simplify]: Extracting # 3 : cost  0
0.402 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.568 * * [simplify]: Extracting # 0 : cost  0
1.570 * * [simplify]: Extracting # 1 : cost  0
1.572 * * [simplify]: Extracting # 2 : cost  0
1.574 * * [simplify]: Extracting # 3 : cost  0
1.575 * * [simplify]: Extracting # 4 : cost  0
1.578 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.110 * * [simplify]: Extracting # 0 : cost  0
11.133 * * [simplify]: Extracting # 1 : cost  0
11.139 * * [simplify]: Extracting # 2 : cost  0
11.145 * * [simplify]: Extracting # 3 : cost  0
11.151 * * [simplify]: Extracting # 4 : cost  0
11.157 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.157 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.158 * * [progress]: iteration 1 / 4
11.158 * * * [progress]: picking best candidate
11.160 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.160 * * * [progress]: localizing error
11.170 * * * [progress]: generating rewritten candidates
11.170 * * * [progress]: generating series expansions
11.171 * * * [progress]: simplifying candidates
11.171 * [simplify]: Simplifying:
  
11.171 * * [simplify]: Extracting # 0 : cost  0
11.171 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
11.171 * * [simplify]: Extracting # 0 : cost  0
11.171 * * [simplify]: iteration done:  0  enodes  (cost  0 )
11.171 * [simplify]: Simplified to:
  
11.171 * * * [progress]: adding candidates to table
11.172 * [progress]: [Phase 3 of 3] Extracting.
11.174 * [simplify]: Simplifying:
  (- (* a a) (* b b))
11.175 * * [simplify]: Extracting # 0 : cost  0
11.175 * * [simplify]: Extracting # 1 : cost  0
11.175 * * [simplify]: Extracting # 2 : cost  0
11.175 * * [simplify]: Extracting # 3 : cost  0
11.175 * * [simplify]: Extracting # 4 : cost  0
11.175 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
11.175 * * [simplify]: Extracting # 0 : cost  0
11.175 * * [simplify]: iteration done:  5  enodes  (cost  7 )
11.175 * [simplify]: Simplified to:
  (- (* a a) (* b b))
12.000 * [regime-testing]: Baseline error score: 0.007029481021439666
12.002 * [regime-testing]: Oracle error score: 0.007029481021439666
12.002 * [regime-testing]: End program error score: 0.007029481021439666
12.024 * [regime-testing]: Target error score: 0.0010001250156269534