3.956 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying:
  (* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: Extracting # 3 : cost  0
0.031 * * [simplify]: Extracting # 4 : cost  0
0.031 * * [simplify]: Extracting # 5 : cost  0
0.031 * * [simplify]: Extracting # 6 : cost  0
0.031 * * [simplify]: Extracting # 7 : cost  0
0.031 * * [simplify]: iteration  0 :  15  enodes  (cost  21 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  1 :  30  enodes  (cost  21 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  2 :  89  enodes  (cost  21 )
0.100 * * [simplify]: Extracting # 0 : cost  0
0.100 * * [simplify]: Extracting # 1 : cost  0
0.101 * * [simplify]: Extracting # 2 : cost  0
0.102 * * [simplify]: iteration  3 :  377  enodes  (cost  21 )
0.414 * * [simplify]: Extracting # 0 : cost  0
0.418 * * [simplify]: Extracting # 1 : cost  0
0.421 * * [simplify]: Extracting # 2 : cost  0
0.425 * * [simplify]: iteration  4 :  1644  enodes  (cost  21 )
2.359 * * [simplify]: Extracting # 0 : cost  0
2.372 * * [simplify]: Extracting # 1 : cost  0
2.377 * * [simplify]: Extracting # 2 : cost  0
2.381 * * [simplify]: iteration done:  5000  enodes  (cost  21 )
2.381 * [simplify]: Simplified to:
  (* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))
2.382 * * [progress]: iteration 1 / 4
2.382 * * * [progress]: picking best candidate
2.384 * * * * [pick]: Picked  #<alt (λ (a b) (* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b))))>
2.384 * * * [progress]: localizing error
2.409 * * * [progress]: generating rewritten candidates
2.409 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
2.568 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 2)
2.584 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2)
2.611 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1)
2.677 * * * [progress]: generating series expansions
2.678 * * * * [progress]: [ 1 / 4 ] generating series at (2)