1.947 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ 1.0 (/ (* 4.0 (- (+ x (* y 0.25)) z)) y))
0.028 * * [simplify]: iteration  0 :  12  enodes  (cost  13 )
0.030 * * [simplify]: iteration  1 :  22  enodes  (cost  13 )
0.032 * * [simplify]: iteration  2 :  45  enodes  (cost  13 )
0.038 * * [simplify]: iteration  3 :  98  enodes  (cost  13 )
0.053 * * [simplify]: iteration  4 :  190  enodes  (cost  13 )
0.085 * * [simplify]: iteration  5 :  317  enodes  (cost  13 )
0.144 * * [simplify]: iteration  6 :  486  enodes  (cost  13 )
0.250 * * [simplify]: iteration  7 :  726  enodes  (cost  11 )