0.926 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* x x) (* (* y 4.0) (- (* z z) t)))
0.033 * * [simplify]: iteration  0 :  11  enodes  (cost  13 )
0.035 * * [simplify]: iteration  1 :  21  enodes  (cost  13 )
0.037 * * [simplify]: iteration  2 :  51  enodes  (cost  13 )
0.045 * * [simplify]: iteration  3 :  150  enodes  (cost  13 )
0.077 * * [simplify]: iteration  4 :  347  enodes  (cost  12 )
0.204 * * [simplify]: iteration  5 :  652  enodes  (cost  12 )