0.497 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (- 1.0 (* (- 1.0 y) z)))
0.021 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.022 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.024 * * [simplify]: iteration  2 :  34  enodes  (cost  9 )
0.029 * * [simplify]: iteration  3 :  86  enodes  (cost  9 )
0.046 * * [simplify]: iteration  4 :  201  enodes  (cost  8 )
0.082 * * [simplify]: iteration  5 :  340  enodes  (cost  8 )
0.166 * * [simplify]: iteration  6 :  558  enodes  (cost  8 )
0.341 * * [simplify]: iteration  7 :  688  enodes  (cost  8 )