18.550 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.035 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.040 * [simplify]: Simplifying:
  (/ (+ (* a c) (* b d)) (+ (* c c) (* d d)))
0.040 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.040 * * [simplify]: Extracting # 2 : cost  0
0.040 * * [simplify]: Extracting # 3 : cost  0
0.040 * * [simplify]: Extracting # 4 : cost  0
0.040 * * [simplify]: Extracting # 5 : cost  0
0.040 * * [simplify]: iteration  0 :  11  enodes  (cost  15 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: iteration  1 :  17  enodes  (cost  13 )
0.049 * * [simplify]: Extracting # 0 : cost  0
0.049 * * [simplify]: iteration  2 :  21  enodes  (cost  13 )
0.055 * * [simplify]: Extracting # 0 : cost  0
0.055 * * [simplify]: iteration done:  21  enodes  (cost  13 )
0.055 * [simplify]: Simplified to:
  (/ (fma a c (* b d)) (fma c c (* d d)))
0.062 * * [progress]: iteration 1 / 4
0.062 * * * [progress]: picking best candidate
0.066 * * * * [pick]: Picked  #<alt (λ (a b c d) (/ (fma a c (* b d)) (fma c c (* d d))))>
0.066 * * * [progress]: localizing error
0.077 * * * [progress]: generating rewritten candidates
0.078 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.083 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.084 * * * [progress]: generating series expansions
0.084 * * * * [progress]: [ 1 / 2 ] generating series at (2)