2.880 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.064 * * * [progress]: [2/2] Setting up program.
0.068 * [progress]: [Phase 2 of 3] Improving.
0.068 * [simplify]: Simplifying:
  (* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))
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]: iteration  0 :  15  enodes  (cost  21 )
0.075 * * [simplify]: Extracting # 0 : cost  0
0.075 * * [simplify]: Extracting # 1 : cost  0
0.075 * * [simplify]: Extracting # 2 : cost  0
0.075 * * [simplify]: iteration  1 :  31  enodes  (cost  21 )
0.089 * * [simplify]: Extracting # 0 : cost  0
0.090 * * [simplify]: Extracting # 1 : cost  0
0.090 * * [simplify]: Extracting # 2 : cost  0
0.090 * * [simplify]: iteration  2 :  90  enodes  (cost  21 )
0.151 * * [simplify]: Extracting # 0 : cost  0
0.152 * * [simplify]: Extracting # 1 : cost  0
0.153 * * [simplify]: Extracting # 2 : cost  0
0.153 * * [simplify]: iteration  3 :  384  enodes  (cost  21 )
0.581 * * [simplify]: Extracting # 0 : cost  0
0.585 * * [simplify]: Extracting # 1 : cost  0
0.589 * * [simplify]: Extracting # 2 : cost  0
0.592 * * [simplify]: iteration  4 :  1663  enodes  (cost  21 )
2.876 * * [simplify]: Extracting # 0 : cost  0
2.890 * * [simplify]: Extracting # 1 : cost  0
2.899 * * [simplify]: Extracting # 2 : cost  0
2.907 * * [simplify]: iteration done:  5000  enodes  (cost  21 )
2.908 * [simplify]: Simplified to:
  (* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))
2.908 * * [progress]: iteration 1 / 4
2.908 * * * [progress]: picking best candidate
2.912 * * * * [pick]: Picked  #<alt (λ (a b) (* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b))))>
2.913 * * * [progress]: localizing error
2.963 * * * [progress]: generating rewritten candidates
2.963 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
3.187 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 2)
3.206 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2)
3.220 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1)
3.363 * * * [progress]: generating series expansions
3.364 * * * * [progress]: [ 1 / 4 ] generating series at (2)