0.084 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (+ x (* y (- z x))) z)
0.020 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.021 * * [simplify]: iteration  1 :  11  enodes  (cost  9 )
0.022 * * [simplify]: iteration  2 :  18  enodes  (cost  9 )
0.024 * * [simplify]: iteration  3 :  28  enodes  (cost  9 )
0.027 * * [simplify]: iteration  4 :  37  enodes  (cost  9 )
0.032 * * [simplify]: iteration  5 :  46  enodes  (cost  9 )
0.039 * * [simplify]: iteration  6 :  64  enodes  (cost  9 )
0.047 * * [simplify]: iteration  7 :  98  enodes  (cost  9 )
0.062 * * [simplify]: iteration  8 :  161  enodes  (cost  9 )
0.083 * * [simplify]: iteration  9 :  235  enodes  (cost  9 )