0.322 * [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.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (* (- y x) z) t))
0.021 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.022 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.024 * * [simplify]: iteration  2 :  28  enodes  (cost  9 )
0.027 * * [simplify]: iteration  3 :  48  enodes  (cost  9 )
0.033 * * [simplify]: iteration  4 :  78  enodes  (cost  9 )
0.042 * * [simplify]: iteration  5 :  117  enodes  (cost  9 )
0.062 * * [simplify]: iteration  6 :  144  enodes  (cost  9 )
0.085 * * [simplify]: iteration  7 :  160  enodes  (cost  9 )
0.114 * * [simplify]: iteration  8 :  177  enodes  (cost  9 )
0.145 * * [simplify]: iteration  9 :  225  enodes  (cost  9 )
0.184 * * [simplify]: iteration  10 :  325  enodes  (cost  9 )