0.168 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.063 * * * [progress]: [2/2] Setting up program.
0.068 * [progress]: [Phase 2 of 3] Improving.
0.068 * [simplify]: Simplifying:
  (/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.069 * * [simplify]: Extracting # 0 : cost  0
0.069 * * [simplify]: Extracting # 1 : cost  0
0.069 * * [simplify]: Extracting # 2 : cost  0
0.069 * * [simplify]: Extracting # 3 : cost  0
0.069 * * [simplify]: Extracting # 4 : cost  0
0.069 * * [simplify]: Extracting # 5 : cost  0
0.069 * * [simplify]: Extracting # 6 : cost  0
0.069 * * [simplify]: Extracting # 7 : cost  0
0.069 * * [simplify]: Extracting # 8 : cost  0
0.069 * * [simplify]: Extracting # 9 : cost  0
0.069 * * [simplify]: Extracting # 10 : cost  0
0.069 * * [simplify]: iteration  0 :  14  enodes  (cost  17 )
0.072 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: Extracting # 1 : cost  0
0.072 * * [simplify]: Extracting # 2 : cost  0
0.072 * * [simplify]: iteration  1 :  24  enodes  (cost  17 )
0.077 * * [simplify]: Extracting # 0 : cost  0
0.077 * * [simplify]: Extracting # 1 : cost  0
0.077 * * [simplify]: Extracting # 2 : cost  0
0.077 * * [simplify]: iteration  2 :  44  enodes  (cost  16 )
0.122 * * [simplify]: Extracting # 0 : cost  0
0.123 * * [simplify]: Extracting # 1 : cost  0
0.123 * * [simplify]: Extracting # 2 : cost  0
0.123 * * [simplify]: iteration  3 :  78  enodes  (cost  16 )
0.158 * * [simplify]: Extracting # 0 : cost  0
0.159 * * [simplify]: Extracting # 1 : cost  0
0.159 * * [simplify]: Extracting # 2 : cost  0
0.159 * * [simplify]: iteration  4 :  91  enodes  (cost  16 )
0.196 * * [simplify]: Extracting # 0 : cost  0
0.196 * * [simplify]: iteration  5 :  99  enodes  (cost  16 )
0.230 * * [simplify]: Extracting # 0 : cost  0
0.230 * * [simplify]: iteration done:  99  enodes  (cost  16 )
0.230 * [simplify]: Simplified to:
  (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (* 2.0 a))
0.237 * * [progress]: iteration 1 / 4
0.237 * * * [progress]: picking best candidate
0.248 * * * * [pick]: Picked  #<alt (λ (a b c) (/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a)))>
0.248 * * * [progress]: localizing error
0.275 * * * [progress]: generating rewritten candidates
0.275 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 2)
0.285 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1)
0.322 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2 1)
0.340 * * * * [progress]: [ 4 / 4 ] rewriting at (2)
0.437 * * * [progress]: generating series expansions
0.437 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 2)