3.378 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.057 * * * [progress]: [2/2] Setting up program.
0.059 * [progress]: [Phase 2 of 3] Improving.
0.059 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 (exp (neg x))))
0.061 * * [simplify]: iteration  0 :  10  enodes  (cost  4 )
0.062 * * [simplify]: iteration  1 :  12  enodes  (cost  4 )
0.063 * * [simplify]: iteration  2 :  14  enodes  (cost  4 )
0.064 * * [simplify]: iteration  3 :  15  enodes  (cost  4 )
0.065 * * [simplify]: iteration  4 :  20  enodes  (cost  4 )
0.066 * * [simplify]: iteration  5 :  40  enodes  (cost  4 )
0.067 * * [simplify]: iteration  6 :  61  enodes  (cost  4 )
0.069 * * [simplify]: iteration  7 :  141  enodes  (cost  4 )
0.077 * * [simplify]: iteration  8 :  1354  enodes  (cost  4 )
0.180 * * [simplify]: iteration  9 :  5001  enodes  (cost  4 )
0.181 * [simplify]: Simplified to:
   (log (+ 1.0 (exp (neg x))))
0.181 * [progress]: [Phase 3 of 3] Extracting.
0.183 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 (exp (neg x))))
0.184 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.184 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.184 * [simplify]: Simplified to:
   (log (+ 1.0 (exp (neg x))))
2.072 * [regime-testing]: End program error score: 0.5252436476621851