1.520 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.040 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (cosh x) (/ y x)) z)
0.040 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
0.041 * * [simplify]: iteration  1 :  18  enodes  (cost  8 )
0.044 * * [simplify]: iteration  2 :  40  enodes  (cost  8 )
0.049 * * [simplify]: iteration  3 :  99  enodes  (cost  8 )
0.064 * * [simplify]: iteration  4 :  219  enodes  (cost  8 )
0.093 * * [simplify]: iteration  5 :  402  enodes  (cost  8 )
0.165 * * [simplify]: iteration  6 :  717  enodes  (cost  8 )