4.283 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (+ x 1.0) y) x)
0.023 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.024 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.027 * * [simplify]: iteration  2 :  21  enodes  (cost  7 )
0.032 * * [simplify]: iteration  3 :  37  enodes  (cost  7 )
0.045 * * [simplify]: iteration  4 :  51  enodes  (cost  7 )
0.056 * * [simplify]: iteration  5 :  55  enodes  (cost  7 )
0.068 * * [simplify]: iteration  6 :  67  enodes  (cost  7 )
0.083 * * [simplify]: iteration  7 :  87  enodes  (cost  7 )
0.104 * * [simplify]: iteration  8 :  139  enodes  (cost  7 )