96.659 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ x y) x)
0.016 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.016 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.017 * * [simplify]: iteration  2 :  16  enodes  (cost  5 )
0.019 * * [simplify]: iteration  3 :  22  enodes  (cost  3 )
0.022 * * [simplify]: iteration  4 :  29  enodes  (cost  1 )
0.030 * * [simplify]: iteration  5 :  140  enodes  (cost  1 )
0.182 * * [simplify]: iteration  6 :  881  enodes  (cost  1 )
1.192 * * [simplify]: iteration  7 :  1872  enodes  (cost  1 )
3.698 * * [simplify]: iteration  done :  5000  enodes  (cost  1 )
3.698 * [simplify]: Simplified to:
   y
3.701 * * [progress]: iteration 1 / 4
3.701 * * * [progress]: picking best candidate
3.701 * * * * [pick]: Picked  #<alt (λ (x y) y)>
3.702 * * * [progress]: localizing error
3.702 * * * [progress]: generating rewritten candidates
3.702 * * * [progress]: generating series expansions
3.702 * * * [progress]: simplifying candidates
3.702 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
3.703 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.703 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
3.703 * [simplify]: Simplified to:
   
3.703 * * * [progress]: adding candidates to table
3.703 * [progress]: [Phase 3 of 3] Extracting.
3.704 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   y
3.705 * * [simplify]: iteration  0 :  1  enodes  (cost  1 )
3.705 * * [simplify]: iteration  done :  1  enodes  (cost  1 )
3.705 * [simplify]: Simplified to:
   y
4.133 * [regime-testing]: End program error score: 0
4.151 * [regime-testing]: Target error score: 0