5.937 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
0.035 * * [simplify]: Extracting # 0 : cost  0
0.036 * * [simplify]: Extracting # 1 : cost  0
0.036 * * [simplify]: Extracting # 2 : cost  0
0.036 * * [simplify]: Extracting # 3 : cost  0
0.036 * * [simplify]: Extracting # 4 : cost  0
0.036 * * [simplify]: Extracting # 5 : cost  0
0.036 * * [simplify]: Extracting # 6 : cost  0
0.036 * * [simplify]: Extracting # 7 : cost  0
0.036 * * [simplify]: Extracting # 8 : cost  0
0.036 * * [simplify]: iteration  0 :  13  enodes  (cost  17 )
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: Extracting # 1 : cost  0
0.038 * * [simplify]: Extracting # 2 : cost  0
0.038 * * [simplify]: iteration  1 :  25  enodes  (cost  17 )
0.042 * * [simplify]: Extracting # 0 : cost  0
0.042 * * [simplify]: Extracting # 1 : cost  0
0.042 * * [simplify]: Extracting # 2 : cost  0
0.042 * * [simplify]: iteration  2 :  59  enodes  (cost  17 )
0.070 * * [simplify]: Extracting # 0 : cost  0
0.071 * * [simplify]: Extracting # 1 : cost  0
0.071 * * [simplify]: Extracting # 2 : cost  0
0.071 * * [simplify]: iteration  3 :  139  enodes  (cost  17 )
0.127 * * [simplify]: Extracting # 0 : cost  0
0.128 * * [simplify]: Extracting # 1 : cost  0
0.129 * * [simplify]: Extracting # 2 : cost  0
0.129 * * [simplify]: iteration  4 :  341  enodes  (cost  17 )
0.402 * * [simplify]: Extracting # 0 : cost  0
0.402 * * [simplify]: Extracting # 1 : cost  0
0.403 * * [simplify]: Extracting # 2 : cost  0
0.404 * * [simplify]: Extracting # 3 : cost  0
0.404 * * [simplify]: iteration  5 :  720  enodes  (cost  15 )
1.678 * * [simplify]: Extracting # 0 : cost  0
1.681 * * [simplify]: Extracting # 1 : cost  0
1.683 * * [simplify]: Extracting # 2 : cost  0
1.685 * * [simplify]: iteration  6 :  2486  enodes  (cost  13 )
4.833 * * [simplify]: Extracting # 0 : cost  0
4.843 * * [simplify]: Extracting # 1 : cost  0
4.854 * * [simplify]: Extracting # 2 : cost  0
4.863 * * [simplify]: iteration done:  5000  enodes  (cost  13 )
4.863 * [simplify]: Simplified to:
  (- x (/ z (- (/ (* z z) y) (/ t 2.0))))
4.871 * * [progress]: iteration 1 / 4
4.871 * * * [progress]: picking best candidate
4.874 * * * * [pick]: Picked  #<alt (λ (x y z t) (- x (/ z (- (/ (* z z) y) (/ t 2.0)))))>
4.875 * * * [progress]: localizing error
4.886 * * * [progress]: generating rewritten candidates
4.886 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 2 1)
4.903 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2)
4.952 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2 2)
5.000 * * * * [progress]: [ 4 / 4 ] rewriting at (2)
5.108 * * * [progress]: generating series expansions
5.108 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 2 1)