5.210 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.080 * * * [progress]: [2/2] Setting up program.
0.082 * [progress]: [Phase 2 of 3] Improving.
0.083 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sin (pow (sqrt (atan2 b b)) (- b a)))
0.083 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.084 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.086 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
0.088 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.095 * * [simplify]: iteration  4 :  110  enodes  (cost  9 )
0.115 * * [simplify]: iteration  5 :  262  enodes  (cost  9 )
0.186 * * [simplify]: iteration  6 :  806  enodes  (cost  9 )