0.813 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.040 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x 0.5) (* y (+ (- 1.0 z) (log z))))
0.040 * * [simplify]: iteration  0 :  11  enodes  (cost  12 )
0.042 * * [simplify]: iteration  1 :  25  enodes  (cost  12 )
0.045 * * [simplify]: iteration  2 :  47  enodes  (cost  12 )
0.051 * * [simplify]: iteration  3 :  85  enodes  (cost  12 )
0.063 * * [simplify]: iteration  4 :  146  enodes  (cost  12 )
0.088 * * [simplify]: iteration  5 :  197  enodes  (cost  12 )
0.121 * * [simplify]: iteration  6 :  272  enodes  (cost  12 )
0.174 * * [simplify]: iteration  7 :  381  enodes  (cost  12 )
0.251 * * [simplify]: iteration  8 :  582  enodes  (cost  12 )