0.324 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ 1.0 (/ (* 4.0 (- (+ x (* y 0.75)) z)) y))
0.023 * * [simplify]: iteration  0 :  12  enodes  (cost  13 )
0.024 * * [simplify]: iteration  1 :  22  enodes  (cost  13 )
0.031 * * [simplify]: iteration  2 :  49  enodes  (cost  12 )
0.038 * * [simplify]: iteration  3 :  109  enodes  (cost  11 )
0.052 * * [simplify]: iteration  4 :  228  enodes  (cost  11 )
0.088 * * [simplify]: iteration  5 :  440  enodes  (cost  11 )
0.164 * * [simplify]: iteration  6 :  748  enodes  (cost  11 )