0.130 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (- (* x 2.0) (* (* (* y 9.0) z) t)) (* (* a 27.0) b))
0.034 * * [simplify]: iteration  0 :  17  enodes  (cost  17 )
0.036 * * [simplify]: iteration  1 :  35  enodes  (cost  17 )
0.045 * * [simplify]: iteration  2 :  90  enodes  (cost  16 )
0.059 * * [simplify]: iteration  3 :  245  enodes  (cost  16 )
0.104 * * [simplify]: iteration  4 :  526  enodes  (cost  16 )