0.220 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.021 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.022 * * [simplify]: iteration  1 :  19  enodes  (cost  11 )
0.024 * * [simplify]: iteration  2 :  42  enodes  (cost  11 )
0.029 * * [simplify]: iteration  3 :  71  enodes  (cost  11 )
0.040 * * [simplify]: iteration  4 :  134  enodes  (cost  11 )
0.063 * * [simplify]: iteration  5 :  210  enodes  (cost  11 )
0.099 * * [simplify]: iteration  6 :  306  enodes  (cost  11 )
0.157 * * [simplify]: iteration  7 :  511  enodes  (cost  11 )