0.276 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying:
  (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: Extracting # 3 : cost  0
0.023 * * [simplify]: Extracting # 4 : cost  0
0.023 * * [simplify]: Extracting # 5 : cost  0
0.023 * * [simplify]: iteration  0 :  9  enodes  (cost  19 )
0.025 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: iteration  1 :  17  enodes  (cost  19 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: Extracting # 1 : cost  0
0.032 * * [simplify]: Extracting # 2 : cost  0
0.032 * * [simplify]: iteration  2 :  35  enodes  (cost  19 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: iteration  3 :  67  enodes  (cost  19 )
0.066 * * [simplify]: Extracting # 0 : cost  0
0.066 * * [simplify]: Extracting # 1 : cost  0
0.066 * * [simplify]: Extracting # 2 : cost  0
0.066 * * [simplify]: iteration  4 :  111  enodes  (cost  19 )
0.104 * * [simplify]: Extracting # 0 : cost  0
0.104 * * [simplify]: Extracting # 1 : cost  0
0.104 * * [simplify]: Extracting # 2 : cost  0
0.105 * * [simplify]: iteration  5 :  158  enodes  (cost  19 )
0.192 * * [simplify]: Extracting # 0 : cost  0
0.192 * * [simplify]: Extracting # 1 : cost  0
0.192 * * [simplify]: Extracting # 2 : cost  0
0.193 * * [simplify]: iteration  6 :  173  enodes  (cost  19 )
0.245 * * [simplify]: Extracting # 0 : cost  0
0.245 * * [simplify]: iteration  7 :  174  enodes  (cost  19 )
0.314 * * [simplify]: Extracting # 0 : cost  0
0.314 * * [simplify]: iteration done:  174  enodes  (cost  19 )
0.314 * [simplify]: Simplified to:
  (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y)))
0.315 * * [progress]: iteration 1 / 4
0.315 * * * [progress]: picking best candidate
0.318 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y 4.0) y)) (+ (* x x) (* (* y 4.0) y))))>
0.318 * * * [progress]: localizing error
0.338 * * * [progress]: generating rewritten candidates
0.338 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.401 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.417 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.437 * * * [progress]: generating series expansions
0.437 * * * * [progress]: [ 1 / 3 ] generating series at (2)