0.331 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0))
0.019 * * [simplify]: iteration  0 :  9  enodes  (cost  11 )
0.020 * * [simplify]: iteration  1 :  21  enodes  (cost  11 )
0.023 * * [simplify]: iteration  2 :  65  enodes  (cost  11 )
0.037 * * [simplify]: iteration  3 :  171  enodes  (cost  11 )
0.062 * * [simplify]: iteration  4 :  430  enodes  (cost  11 )
0.139 * * [simplify]: iteration  5 :  1004  enodes  (cost  11 )