6.442 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (* (* (- y x) 6.0) (- (/ 2.0 3.0) z)))
0.023 * * [simplify]: iteration  0 :  12  enodes  (cost  13 )
0.024 * * [simplify]: iteration  1 :  21  enodes  (cost  13 )
0.027 * * [simplify]: iteration  2 :  50  enodes  (cost  12 )
0.034 * * [simplify]: iteration  3 :  140  enodes  (cost  12 )
0.059 * * [simplify]: iteration  4 :  351  enodes  (cost  12 )
0.126 * * [simplify]: iteration  5 :  899  enodes  (cost  12 )
0.362 * * [simplify]: iteration  6 :  2164  enodes  (cost  12 )