6.179 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.043 * * * [progress]: [2/2] Setting up program.
0.047 * [progress]: [Phase 2 of 3] Improving.
0.047 * [simplify]: Simplifying:
  (/ (+ (* a c) (* b d)) (+ (* c c) (* d d)))
0.047 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: Extracting # 1 : cost  0
0.047 * * [simplify]: Extracting # 2 : cost  0
0.047 * * [simplify]: Extracting # 3 : cost  0
0.047 * * [simplify]: Extracting # 4 : cost  0
0.047 * * [simplify]: Extracting # 5 : cost  0
0.048 * * [simplify]: iteration  0 :  11  enodes  (cost  15 )
0.063 * * [simplify]: Extracting # 0 : cost  0
0.064 * * [simplify]: iteration  1 :  15  enodes  (cost  15 )
0.068 * * [simplify]: Extracting # 0 : cost  0
0.068 * * [simplify]: iteration done:  15  enodes  (cost  15 )
0.068 * [simplify]: Simplified to:
  (/ (+ (* a c) (* b d)) (+ (* c c) (* d d)))
0.069 * * [progress]: iteration 1 / 4
0.069 * * * [progress]: picking best candidate
0.073 * * * * [pick]: Picked  #<alt (λ (a b c d) (/ (+ (* a c) (* b d)) (+ (* c c) (* d d))))>
0.073 * * * [progress]: localizing error
0.098 * * * [progress]: generating rewritten candidates
0.098 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.134 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.150 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.178 * * * [progress]: generating series expansions
0.178 * * * * [progress]: [ 1 / 3 ] generating series at (2)