4.413 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (fabs (/ (- (* a a) (* b b)) (* a a))))
0.026 * * [simplify]: iteration  0 :  8  enodes  (cost  13 )
0.027 * * [simplify]: iteration  1 :  18  enodes  (cost  13 )
0.030 * * [simplify]: iteration  2 :  47  enodes  (cost  11 )
0.035 * * [simplify]: iteration  3 :  98  enodes  (cost  11 )
0.053 * * [simplify]: iteration  4 :  197  enodes  (cost  11 )
0.077 * * [simplify]: iteration  5 :  319  enodes  (cost  11 )
0.125 * * [simplify]: iteration  6 :  535  enodes  (cost  11 )