0.167 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.096 * * * [progress]: [2/2] Setting up program.
0.099 * [progress]: [Phase 2 of 3] Improving.
0.099 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y)))) t)
0.100 * * [simplify]: iteration  0 :  14  enodes  (cost  17 )
0.102 * * [simplify]: iteration  1 :  27  enodes  (cost  16 )
0.105 * * [simplify]: iteration  2 :  56  enodes  (cost  16 )
0.116 * * [simplify]: iteration  3 :  102  enodes  (cost  16 )
0.130 * * [simplify]: iteration  4 :  240  enodes  (cost  16 )
0.170 * * [simplify]: iteration  5 :  580  enodes  (cost  16 )
0.279 * * [simplify]: iteration  6 :  1338  enodes  (cost  16 )