0.197 * [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 )
0.025 * * [simplify]: iteration  1 :  17  enodes  (cost  11 )
0.026 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.031 * * [simplify]: iteration  3 :  63  enodes  (cost  10 )
0.038 * * [simplify]: iteration  4 :  105  enodes  (cost  10 )
0.052 * * [simplify]: iteration  5 :  165  enodes  (cost  10 )
0.080 * * [simplify]: iteration  6 :  225  enodes  (cost  10 )
0.114 * * [simplify]: iteration  7 :  252  enodes  (cost  10 )
0.152 * * [simplify]: iteration  8 :  286  enodes  (cost  10 )
0.190 * * [simplify]: iteration  9 :  335  enodes  (cost  10 )
0.239 * * [simplify]: iteration  10 :  452  enodes  (cost  10 )