0.229 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (/ (* (/ y z) t) t))
0.020 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.021 * * [simplify]: iteration  1 :  16  enodes  (cost  9 )
0.027 * * [simplify]: iteration  2 :  40  enodes  (cost  7 )
0.032 * * [simplify]: iteration  3 :  99  enodes  (cost  5 )
0.052 * * [simplify]: iteration  4 :  433  enodes  (cost  5 )