0.134 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying:
  (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: Extracting # 3 : cost  0
0.026 * * [simplify]: Extracting # 4 : cost  0
0.026 * * [simplify]: Extracting # 5 : cost  0
0.026 * * [simplify]: iteration  0 :  9  enodes  (cost  15 )
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: Extracting # 1 : cost  0
0.028 * * [simplify]: Extracting # 2 : cost  0
0.028 * * [simplify]: iteration  1 :  23  enodes  (cost  14 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  2 :  52  enodes  (cost  14 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  3 :  113  enodes  (cost  14 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.078 * * [simplify]: Extracting # 1 : cost  0
0.079 * * [simplify]: Extracting # 2 : cost  0
0.079 * * [simplify]: Extracting # 3 : cost  0
0.079 * * [simplify]: iteration  4 :  229  enodes  (cost  14 )
0.159 * * [simplify]: Extracting # 0 : cost  0
0.160 * * [simplify]: Extracting # 1 : cost  0
0.161 * * [simplify]: Extracting # 2 : cost  0
0.162 * * [simplify]: Extracting # 3 : cost  0
0.163 * * [simplify]: iteration  5 :  461  enodes  (cost  14 )
0.434 * * [simplify]: Extracting # 0 : cost  0
0.435 * * [simplify]: Extracting # 1 : cost  0
0.436 * * [simplify]: Extracting # 2 : cost  0
0.436 * * [simplify]: Extracting # 3 : cost  0
0.437 * * [simplify]: Extracting # 4 : cost  0
0.438 * * [simplify]: iteration  6 :  822  enodes  (cost  14 )
1.526 * * [simplify]: Extracting # 0 : cost  0
1.530 * * [simplify]: Extracting # 1 : cost  0
1.532 * * [simplify]: Extracting # 2 : cost  0
1.533 * * [simplify]: Extracting # 3 : cost  0
1.535 * * [simplify]: iteration  7 :  1308  enodes  (cost  14 )
5.455 * * [simplify]: Extracting # 0 : cost  0
5.458 * * [simplify]: Extracting # 1 : cost  0
5.460 * * [simplify]: Extracting # 2 : cost  0
5.463 * * [simplify]: iteration  8 :  3296  enodes  (cost  14 )
6.806 * * [simplify]: Extracting # 0 : cost  0
6.810 * * [simplify]: Extracting # 1 : cost  0
6.814 * * [simplify]: Extracting # 2 : cost  0
6.818 * * [simplify]: iteration done:  5000  enodes  (cost  14 )
6.818 * [simplify]: Simplified to:
  (* (+ x y) (/ (- x y) (fma x x (* y y))))
6.821 * * [progress]: iteration 1 / 4
6.821 * * * [progress]: picking best candidate
6.825 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>
6.825 * * * [progress]: localizing error
6.836 * * * [progress]: generating rewritten candidates
6.836 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
6.878 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
6.888 * * * [progress]: generating series expansions
6.888 * * * * [progress]: [ 1 / 2 ] generating series at (2)