0.093 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.031 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (exp (* a x)) 1.0)
0.034 * * [simplify]: iteration  0 :  6  enodes  (cost  6 )
0.035 * * [simplify]: iteration  1 :  11  enodes  (cost  6 )
0.036 * * [simplify]: iteration  2 :  18  enodes  (cost  6 )
0.038 * * [simplify]: iteration  3 :  26  enodes  (cost  6 )
0.042 * * [simplify]: iteration  4 :  49  enodes  (cost  6 )
0.049 * * [simplify]: iteration  5 :  107  enodes  (cost  6 )
0.074 * * [simplify]: iteration  6 :  261  enodes  (cost  6 )