9.087 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.038 * * * [progress]: [2/2] Setting up program.
0.042 * [progress]: [Phase 2 of 3] Improving.
0.042 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (- (+ (* x y) (/ (* z t) 16.0)) (/ (* a b) 4.0)) c)
0.043 * * [simplify]: iteration  0 :  17  enodes  (cost  17 )
0.045 * * [simplify]: iteration  1 :  32  enodes  (cost  17 )
0.048 * * [simplify]: iteration  2 :  68  enodes  (cost  17 )
0.057 * * [simplify]: iteration  3 :  121  enodes  (cost  17 )
0.077 * * [simplify]: iteration  4 :  192  enodes  (cost  17 )
0.107 * * [simplify]: iteration  5 :  271  enodes  (cost  17 )
0.156 * * [simplify]: iteration  6 :  393  enodes  (cost  17 )
0.244 * * [simplify]: iteration  7 :  605  enodes  (cost  17 )