39.398 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.091 * * * [progress]: [2/2] Setting up program.
0.093 * [progress]: [Phase 2 of 3] Improving.
0.094 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (*.f64 a a) (*.f64 b b))
0.235 * * [simplify]: iteration  0 :  6509  enodes  (cost  7 )
0.236 * [simplify]: Simplified to:
   (-.f64 (*.f64 a a) (*.f64 b b))
0.237 * * [progress]: iteration 1 / 4
0.237 * * * [progress]: picking best candidate
0.239 * * * * [pick]: Picked  #<alt (λ (a b) (-.f64 (*.f64 a a) (*.f64 b b)))>
0.239 * * * [progress]: localizing error
0.243 * * * [progress]: generating rewritten candidates
0.243 * * * [progress]: generating series expansions
0.243 * * * [progress]: simplifying candidates
0.243 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.248 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.248 * [simplify]: Simplified to:
   
0.248 * * * [progress]: adding candidates to table
0.248 * [progress]: [Phase 3 of 3] Extracting.
0.251 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (*.f64 a a) (*.f64 b b))
0.252 * * [simplify]: iteration  0 :  23  enodes  (cost  7 )
0.252 * * [simplify]: iteration  1 :  23  enodes  (cost  7 )
0.252 * [simplify]: Simplified to:
   (-.f64 (*.f64 a a) (*.f64 b b))
0.760 * [regime-testing]: End program error score: 0.004448676397139788
0.829 * [regime-testing]: Target error score: 0.0005000625078134767