0.506 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.141 * * * [progress]: [2/2] Setting up program.
0.147 * [progress]: [Phase 2 of 3] Improving.
0.148 * [simplify]: Simplifying:
  (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.148 * * [simplify]: Extracting # 0 : cost  0
0.148 * * [simplify]: Extracting # 1 : cost  0
0.148 * * [simplify]: Extracting # 2 : cost  0
0.148 * * [simplify]: Extracting # 3 : cost  0
0.148 * * [simplify]: Extracting # 4 : cost  0
0.148 * * [simplify]: Extracting # 5 : cost  0
0.148 * * [simplify]: Extracting # 6 : cost  0
0.148 * * [simplify]: Extracting # 7 : cost  0
0.148 * * [simplify]: Extracting # 8 : cost  0
0.148 * * [simplify]: Extracting # 9 : cost  0
0.148 * * [simplify]: iteration  0 :  14  enodes  (cost  17 )
0.153 * * [simplify]: Extracting # 0 : cost  0
0.153 * * [simplify]: Extracting # 1 : cost  0
0.153 * * [simplify]: Extracting # 2 : cost  0
0.153 * * [simplify]: iteration  1 :  25  enodes  (cost  17 )
0.162 * * [simplify]: Extracting # 0 : cost  0
0.162 * * [simplify]: Extracting # 1 : cost  0
0.162 * * [simplify]: Extracting # 2 : cost  0
0.163 * * [simplify]: iteration  2 :  46  enodes  (cost  16 )
0.182 * * [simplify]: Extracting # 0 : cost  0
0.182 * * [simplify]: Extracting # 1 : cost  0
0.182 * * [simplify]: Extracting # 2 : cost  0
0.182 * * [simplify]: iteration  3 :  86  enodes  (cost  16 )
0.255 * * [simplify]: Extracting # 0 : cost  0
0.255 * * [simplify]: Extracting # 1 : cost  0
0.255 * * [simplify]: Extracting # 2 : cost  0
0.255 * * [simplify]: iteration  4 :  108  enodes  (cost  16 )
0.296 * * [simplify]: Extracting # 0 : cost  0
0.296 * * [simplify]: iteration  5 :  116  enodes  (cost  16 )
0.335 * * [simplify]: Extracting # 0 : cost  0
0.335 * * [simplify]: iteration done:  116  enodes  (cost  16 )
0.335 * [simplify]: Simplified to:
  (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
0.342 * * [progress]: iteration 1 / 4
0.342 * * * [progress]: picking best candidate
0.346 * * * * [pick]: Picked  #<alt (λ (a b c) (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))>
0.346 * * * [progress]: localizing error
0.377 * * * [progress]: generating rewritten candidates
0.377 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1)
0.419 * * * * [progress]: [ 2 / 4 ] rewriting at (2)
0.506 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2 1)
0.519 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2)
0.534 * * * [progress]: generating series expansions
0.534 * * * * [progress]: [ 1 / 4 ] generating series at (2 1)