5.878 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.067 * * * [progress]: [2/2] Setting up program.
0.071 * [progress]: [Phase 2 of 3] Improving.
0.071 * [simplify]: Simplifying:
  (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))
0.072 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: Extracting # 1 : cost  0
0.072 * * [simplify]: Extracting # 2 : cost  0
0.072 * * [simplify]: Extracting # 3 : cost  0
0.072 * * [simplify]: Extracting # 4 : cost  0
0.072 * * [simplify]: Extracting # 5 : cost  0
0.072 * * [simplify]: Extracting # 6 : cost  0
0.072 * * [simplify]: iteration  0 :  11  enodes  (cost  15 )
0.076 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: Extracting # 3 : cost  0
0.076 * * [simplify]: Extracting # 4 : cost  0
0.076 * * [simplify]: iteration  1 :  25  enodes  (cost  13 )
0.085 * * [simplify]: Extracting # 0 : cost  0
0.086 * * [simplify]: Extracting # 1 : cost  0
0.086 * * [simplify]: Extracting # 2 : cost  0
0.086 * * [simplify]: Extracting # 3 : cost  0
0.086 * * [simplify]: iteration  2 :  69  enodes  (cost  11 )
0.125 * * [simplify]: Extracting # 0 : cost  0
0.126 * * [simplify]: Extracting # 1 : cost  0
0.126 * * [simplify]: Extracting # 2 : cost  0
0.126 * * [simplify]: Extracting # 3 : cost  0
0.127 * * [simplify]: Extracting # 4 : cost  0
0.127 * * [simplify]: iteration  3 :  188  enodes  (cost  9 )
0.218 * * [simplify]: Extracting # 0 : cost  0
0.219 * * [simplify]: Extracting # 1 : cost  0
0.219 * * [simplify]: Extracting # 2 : cost  0
0.220 * * [simplify]: Extracting # 3 : cost  0
0.220 * * [simplify]: iteration  4 :  410  enodes  (cost  9 )
0.524 * * [simplify]: Extracting # 0 : cost  0
0.525 * * [simplify]: Extracting # 1 : cost  0
0.526 * * [simplify]: Extracting # 2 : cost  0
0.527 * * [simplify]: Extracting # 3 : cost  0
0.527 * * [simplify]: iteration  5 :  693  enodes  (cost  9 )
0.855 * * [simplify]: Extracting # 0 : cost  0
0.856 * * [simplify]: Extracting # 1 : cost  0
0.856 * * [simplify]: Extracting # 2 : cost  0
0.857 * * [simplify]: Extracting # 3 : cost  0
0.857 * * [simplify]: Extracting # 4 : cost  0
0.857 * * [simplify]: iteration  6 :  946  enodes  (cost  9 )
1.385 * * [simplify]: Extracting # 0 : cost  0
1.386 * * [simplify]: Extracting # 1 : cost  0
1.387 * * [simplify]: Extracting # 2 : cost  0
1.387 * * [simplify]: iteration  7 :  1263  enodes  (cost  9 )
2.239 * * [simplify]: Extracting # 0 : cost  0
2.240 * * [simplify]: Extracting # 1 : cost  0
2.241 * * [simplify]: Extracting # 2 : cost  0
2.242 * * [simplify]: iteration  8 :  1510  enodes  (cost  9 )
2.955 * * [simplify]: Extracting # 0 : cost  0
2.956 * * [simplify]: Extracting # 1 : cost  0
2.957 * * [simplify]: iteration  9 :  1595  enodes  (cost  9 )
3.567 * * [simplify]: Extracting # 0 : cost  0
3.568 * * [simplify]: iteration done:  1595  enodes  (cost  9 )
3.569 * [simplify]: Simplified to:
  (* d1 (+ (- d4 d1) (- d2 d3)))
3.574 * * [progress]: iteration 1 / 4
3.574 * * * [progress]: picking best candidate
3.580 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))>
3.580 * * * [progress]: localizing error
3.603 * * * [progress]: generating rewritten candidates
3.603 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
3.827 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
3.890 * * * [progress]: generating series expansions
3.890 * * * * [progress]: [ 1 / 2 ] generating series at (2)