0.431 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 0.5 (- (* x x) y))
0.036 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.039 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.041 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.043 * * [simplify]: iteration  3 :  26  enodes  (cost  7 )
0.046 * * [simplify]: iteration  4 :  31  enodes  (cost  7 )
0.050 * * [simplify]: iteration  done :  31  enodes  (cost  7 )
0.050 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.051 * * [progress]: iteration 1 / 4
0.051 * * * [progress]: picking best candidate
0.054 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.054 * * * [progress]: localizing error
0.061 * * * [progress]: generating rewritten candidates
0.062 * * * [progress]: generating series expansions
0.062 * * * [progress]: simplifying candidates
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
0.063 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.063 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
0.063 * [simplify]: Simplified to:
   
0.063 * * * [progress]: adding candidates to table
0.063 * [progress]: [Phase 3 of 3] Extracting.
0.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 0.5 (- (* x x) y))
0.066 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.066 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.067 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
0.067 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.865 * [regime-testing]: End program error score: 0.028128516064508065