0.173 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (+ x (* y (- z x))) z)
0.023 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.024 * * [simplify]: iteration  1 :  11  enodes  (cost  9 )
0.025 * * [simplify]: iteration  2 :  20  enodes  (cost  8 )
0.027 * * [simplify]: iteration  3 :  32  enodes  (cost  8 )
0.031 * * [simplify]: iteration  4 :  47  enodes  (cost  8 )
0.038 * * [simplify]: iteration  5 :  66  enodes  (cost  8 )
0.046 * * [simplify]: iteration  6 :  89  enodes  (cost  8 )
0.055 * * [simplify]: iteration  7 :  126  enodes  (cost  8 )
0.076 * * [simplify]: iteration  8 :  232  enodes  (cost  8 )
0.110 * * [simplify]: iteration  9 :  369  enodes  (cost  8 )