0.200 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.040 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.043 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) (- (* z z) t)))
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: Extracting # 3 : cost  0
0.043 * * [simplify]: Extracting # 4 : cost  0
0.043 * * [simplify]: Extracting # 5 : cost  0
0.043 * * [simplify]: iteration  0 :  11  enodes  (cost  13 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  1 :  21  enodes  (cost  13 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.471 * * [simplify]: iteration  2 :  52  enodes  (cost  13 )
0.498 * * [simplify]: Extracting # 0 : cost  0
0.499 * * [simplify]: Extracting # 1 : cost  0
0.499 * * [simplify]: Extracting # 2 : cost  0
0.500 * * [simplify]: iteration  3 :  171  enodes  (cost  13 )
0.607 * * [simplify]: Extracting # 0 : cost  0
0.608 * * [simplify]: Extracting # 1 : cost  0
0.609 * * [simplify]: Extracting # 2 : cost  0
0.609 * * [simplify]: iteration  4 :  346  enodes  (cost  12 )
0.911 * * [simplify]: Extracting # 0 : cost  0
0.912 * * [simplify]: Extracting # 1 : cost  0
0.913 * * [simplify]: Extracting # 2 : cost  0
0.914 * * [simplify]: iteration  5 :  586  enodes  (cost  12 )
1.335 * * [simplify]: Extracting # 0 : cost  0
1.336 * * [simplify]: Extracting # 1 : cost  0
1.337 * * [simplify]: Extracting # 2 : cost  0
1.338 * * [simplify]: iteration  6 :  698  enodes  (cost  12 )
1.787 * * [simplify]: Extracting # 0 : cost  0
1.788 * * [simplify]: Extracting # 1 : cost  0
1.789 * * [simplify]: Extracting # 2 : cost  0
1.789 * * [simplify]: iteration  7 :  805  enodes  (cost  12 )
2.389 * * [simplify]: Extracting # 0 : cost  0
2.390 * * [simplify]: Extracting # 1 : cost  0
2.390 * * [simplify]: Extracting # 2 : cost  0
2.391 * * [simplify]: iteration  8 :  1042  enodes  (cost  12 )
3.395 * * [simplify]: Extracting # 0 : cost  0
3.396 * * [simplify]: Extracting # 1 : cost  0
3.397 * * [simplify]: Extracting # 2 : cost  0
3.397 * * [simplify]: iteration  9 :  1225  enodes  (cost  12 )
3.970 * * [simplify]: Extracting # 0 : cost  0
3.971 * * [simplify]: iteration  10 :  1228  enodes  (cost  12 )
4.464 * * [simplify]: Extracting # 0 : cost  0
4.464 * * [simplify]: iteration done:  1228  enodes  (cost  12 )
4.464 * [simplify]: Simplified to:
  (fma (* y 4.0) (- t (* z z)) (* x x))
4.468 * * [progress]: iteration 1 / 4
4.468 * * * [progress]: picking best candidate
4.470 * * * * [pick]: Picked  #<alt (λ (x y z t) (- (* x x) (* (* y 4.0) (- (* z z) t))))>
4.470 * * * [progress]: localizing error
4.487 * * * [progress]: generating rewritten candidates
4.487 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
4.560 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
4.571 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
4.591 * * * [progress]: generating series expansions
4.591 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)