12.697 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+.f64 x (/.f64 (-.f64 y x) 2))
0.192 * * [simplify]: iteration  0 :  4903  enodes  (cost  5 )
0.193 * * [simplify]: iteration  1 :  4903  enodes  (cost  5 )
0.193 * [simplify]: Simplified to:
   (*.f64 1/2 (+.f64 x y))
0.197 * * [progress]: iteration 1 / 4
0.197 * * * [progress]: picking best candidate
0.199 * * * * [pick]: Picked  #<alt (λ (x y) (*.f64 1/2 (+.f64 x y)))>
0.200 * * * [progress]: localizing error
0.203 * * * [progress]: generating rewritten candidates
0.203 * * * [progress]: generating series expansions
0.203 * * * [progress]: simplifying candidates
0.204 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.208 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.208 * [simplify]: Simplified to:
   
0.208 * * * [progress]: adding candidates to table
0.208 * [progress]: [Phase 3 of 3] Extracting.
0.211 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 1/2 (+.f64 x y))
0.213 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.213 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.213 * [simplify]: Simplified to:
   (*.f64 1/2 (+.f64 x y))
0.737 * [regime-testing]: End program error score: 0
0.805 * [regime-testing]: Target error score: 0