50.802 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ x y) x)
0.271 * * [simplify]: iteration  0 :  3201  enodes  (cost  1 )
0.272 * * [simplify]: iteration  1 :  3201  enodes  (cost  1 )
0.272 * [simplify]: Simplified to:
   y
0.276 * * [progress]: iteration 1 / 4
0.276 * * * [progress]: picking best candidate
0.278 * * * * [pick]: Picked  #<alt (λ (x y) y)>
0.278 * * * [progress]: localizing error
0.278 * * * [progress]: generating rewritten candidates
0.278 * * * [progress]: generating series expansions
0.278 * * * [progress]: simplifying candidates
0.279 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.281 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.281 * [simplify]: Simplified to:
   
0.281 * * * [progress]: adding candidates to table
0.281 * [progress]: [Phase 3 of 3] Extracting.
0.283 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   y
0.284 * * [simplify]: iteration  0 :  1  enodes  (cost  1 )
0.284 * * [simplify]: iteration  1 :  1  enodes  (cost  1 )
0.284 * [simplify]: Simplified to:
   y
0.947 * [regime-testing]: End program error score: 0
1.010 * [regime-testing]: Target error score: 0