1.622 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (* (- y z) t) (- a z)))
0.023 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.024 * * [simplify]: iteration  1 :  17  enodes  (cost  11 )
0.026 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.035 * * [simplify]: iteration  3 :  60  enodes  (cost  11 )
0.043 * * [simplify]: iteration  4 :  95  enodes  (cost  11 )
0.055 * * [simplify]: iteration  5 :  136  enodes  (cost  11 )
0.075 * * [simplify]: iteration  6 :  165  enodes  (cost  11 )
0.104 * * [simplify]: iteration  7 :  184  enodes  (cost  11 )
0.137 * * [simplify]: iteration  8 :  206  enodes  (cost  11 )
0.168 * * [simplify]: iteration  9 :  251  enodes  (cost  11 )
0.210 * * [simplify]: iteration  10 :  344  enodes  (cost  11 )