1.565 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 0.5 (- (* x x) y))
0.034 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.054 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.055 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.058 * * [simplify]: iteration  3 :  25  enodes  (cost  7 )
0.061 * * [simplify]: iteration  4 :  29  enodes  (cost  7 )
0.064 * * [simplify]: iteration  done :  29  enodes  (cost  7 )
0.064 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.066 * * [progress]: iteration 1 / 4
0.066 * * * [progress]: picking best candidate
0.069 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.069 * * * [progress]: localizing error
0.076 * * * [progress]: generating rewritten candidates
0.077 * * * [progress]: generating series expansions
0.077 * * * [progress]: simplifying candidates
0.077 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
0.078 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.078 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
0.078 * [simplify]: Simplified to:
   
0.078 * * * [progress]: adding candidates to table
0.079 * [progress]: [Phase 3 of 3] Extracting.
0.081 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 0.5 (- (* x x) y))
0.081 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.082 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.082 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
0.082 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.827 * [regime-testing]: End program error score: 0.028128516064508065