60.064 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ x y) x)
0.032 * * [simplify]: iteration  0 :  9  enodes  (cost  2 )
0.034 * * [simplify]: iteration  1 :  17  enodes  (cost  2 )
0.035 * * [simplify]: iteration  2 :  26  enodes  (cost  1 )
0.036 * * [simplify]: iteration  3 :  33  enodes  (cost  0 )
0.038 * * [simplify]: iteration  4 :  175  enodes  (cost  0 )
0.044 * * [simplify]: iteration  5 :  1967  enodes  (cost  0 )
0.059 * * [simplify]: iteration  6 :  5001  enodes  (cost  0 )
0.060 * [simplify]: Simplified to:
   y
0.063 * * [progress]: iteration 1 / 4
0.063 * * * [progress]: picking best candidate
0.064 * * * * [pick]: Picked  #<alt (λ (x y) y)>
0.064 * * * [progress]: localizing error
0.065 * * * [progress]: generating rewritten candidates
0.065 * * * [progress]: generating series expansions
0.065 * * * [progress]: simplifying candidates
0.065 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.067 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.067 * [simplify]: Simplified to:
   
0.067 * * * [progress]: adding candidates to table
0.067 * [progress]: [Phase 3 of 3] Extracting.
0.068 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   y
0.069 * * [simplify]: iteration  0 :  1  enodes  (cost  0 )
0.069 * [simplify]: Simplified to:
   y
0.539 * [regime-testing]: End program error score: 0
0.554 * [regime-testing]: Target error score: 0