26.223 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.132 * * * [progress]: [2/2] Setting up program.
0.135 * [progress]: [Phase 2 of 3] Improving.
0.135 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* a a) (* b b))
0.137 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.138 * * [simplify]: iteration  1 :  17  enodes  (cost  3 )
0.140 * * [simplify]: iteration  2 :  32  enodes  (cost  3 )
0.141 * * [simplify]: iteration  3 :  58  enodes  (cost  3 )
0.143 * * [simplify]: iteration  4 :  129  enodes  (cost  3 )
0.145 * * [simplify]: iteration  5 :  207  enodes  (cost  3 )
0.149 * * [simplify]: iteration  6 :  393  enodes  (cost  3 )
0.158 * * [simplify]: iteration  7 :  1794  enodes  (cost  3 )
0.216 * * [simplify]: iteration  8 :  5001  enodes  (cost  3 )
0.216 * [simplify]: Simplified to:
   (- (* a a) (* b b))
0.217 * * [progress]: iteration 1 / 4
0.217 * * * [progress]: picking best candidate
0.222 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
0.222 * * * [progress]: localizing error
0.226 * * * [progress]: generating rewritten candidates
0.226 * * * [progress]: generating series expansions
0.226 * * * [progress]: simplifying candidates
0.227 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.228 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.229 * [simplify]: Simplified to:
   
0.229 * * * [progress]: adding candidates to table
0.229 * [progress]: [Phase 3 of 3] Extracting.
0.231 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* a a) (* b b))
0.232 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.232 * [simplify]: Simplified to:
   (- (* a a) (* b b))
0.856 * [regime-testing]: End program error score: 0.005771962120445344
0.923 * [regime-testing]: Target error score: 0.0007500937617202151