4.287 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.063 * * * [progress]: [2/2] Setting up program.
0.066 * [progress]: [Phase 2 of 3] Improving.
0.066 * [simplify]: Simplifying:
  (/ (- (+ (* x x) (* y y)) (* z z)) (* y 2.0))
0.066 * * [simplify]: Extracting # 0 : cost  0
0.066 * * [simplify]: Extracting # 1 : cost  0
0.066 * * [simplify]: Extracting # 2 : cost  0
0.066 * * [simplify]: Extracting # 3 : cost  0
0.066 * * [simplify]: Extracting # 4 : cost  0
0.066 * * [simplify]: Extracting # 5 : cost  0
0.066 * * [simplify]: Extracting # 6 : cost  0
0.066 * * [simplify]: iteration  0 :  11  enodes  (cost  15 )
0.068 * * [simplify]: Extracting # 0 : cost  0
0.068 * * [simplify]: Extracting # 1 : cost  0
0.068 * * [simplify]: Extracting # 2 : cost  0
0.068 * * [simplify]: iteration  1 :  22  enodes  (cost  15 )
0.072 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: Extracting # 1 : cost  0
0.072 * * [simplify]: Extracting # 2 : cost  0
0.073 * * [simplify]: iteration  2 :  55  enodes  (cost  15 )
0.083 * * [simplify]: Extracting # 0 : cost  0
0.083 * * [simplify]: Extracting # 1 : cost  0
0.083 * * [simplify]: Extracting # 2 : cost  0
0.083 * * [simplify]: iteration  3 :  100  enodes  (cost  15 )
0.102 * * [simplify]: Extracting # 0 : cost  0
0.102 * * [simplify]: Extracting # 1 : cost  0
0.102 * * [simplify]: Extracting # 2 : cost  0
0.102 * * [simplify]: iteration  4 :  181  enodes  (cost  15 )
0.185 * * [simplify]: Extracting # 0 : cost  0
0.186 * * [simplify]: Extracting # 1 : cost  0
0.187 * * [simplify]: Extracting # 2 : cost  0
0.187 * * [simplify]: iteration  5 :  330  enodes  (cost  15 )
0.309 * * [simplify]: Extracting # 0 : cost  0
0.310 * * [simplify]: Extracting # 1 : cost  0
0.311 * * [simplify]: Extracting # 2 : cost  0
0.311 * * [simplify]: iteration  6 :  715  enodes  (cost  15 )
0.852 * * [simplify]: Extracting # 0 : cost  0
0.856 * * [simplify]: Extracting # 1 : cost  0
0.859 * * [simplify]: Extracting # 2 : cost  0
0.861 * * [simplify]: Extracting # 3 : cost  0
0.864 * * [simplify]: iteration  7 :  1555  enodes  (cost  13 )
3.552 * * [simplify]: Extracting # 0 : cost  0
3.558 * * [simplify]: Extracting # 1 : cost  0
3.562 * * [simplify]: Extracting # 2 : cost  0
3.566 * * [simplify]: Extracting # 3 : cost  0
3.571 * * [simplify]: Extracting # 4 : cost  0
3.579 * * [simplify]: iteration  8 :  4529  enodes  (cost  13 )
5.115 * * [simplify]: Extracting # 0 : cost  0
5.125 * * [simplify]: Extracting # 1 : cost  0
5.135 * * [simplify]: Extracting # 2 : cost  0
5.144 * * [simplify]: Extracting # 3 : cost  0
5.152 * * [simplify]: iteration done:  5000  enodes  (cost  13 )
5.153 * [simplify]: Simplified to:
  (/ (- y (/ (- (* z z) (* x x)) y)) 2.0)
5.158 * * [progress]: iteration 1 / 4
5.158 * * * [progress]: picking best candidate
5.165 * * * * [pick]: Picked  #<alt (λ (x y z) (/ (- y (/ (- (* z z) (* x x)) y)) 2.0))>
5.165 * * * [progress]: localizing error
5.186 * * * [progress]: generating rewritten candidates
5.187 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 2)
5.235 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 2 1)
5.244 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
5.268 * * * [progress]: generating series expansions
5.268 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 2)