16.615 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.062 * * * [progress]: [2/2] Setting up program.
0.066 * [progress]: [Phase 2 of 3] Improving.
0.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (- (* (- x 0.5) (log x)) x) 0.91893853320467) (/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x))
0.067 * * [simplify]: iteration  0 :  20  enodes  (cost  24 )
0.069 * * [simplify]: iteration  1 :  40  enodes  (cost  23 )
0.074 * * [simplify]: iteration  2 :  91  enodes  (cost  23 )
0.086 * * [simplify]: iteration  3 :  214  enodes  (cost  23 )
0.123 * * [simplify]: iteration  4 :  505  enodes  (cost  22 )
0.215 * * [simplify]: iteration  5 :  1071  enodes  (cost  22 )
0.443 * * [simplify]: iteration  6 :  1951  enodes  (cost  22 )