6.536 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ x (* a (exp (neg x)))) 1.0)
0.028 * * [simplify]: iteration  0 :  17  enodes  (cost  5 )
0.030 * * [simplify]: iteration  1 :  31  enodes  (cost  5 )
0.031 * * [simplify]: iteration  2 :  46  enodes  (cost  5 )
0.032 * * [simplify]: iteration  3 :  79  enodes  (cost  5 )
0.034 * * [simplify]: iteration  4 :  121  enodes  (cost  5 )
0.036 * * [simplify]: iteration  5 :  270  enodes  (cost  4 )
0.039 * * [simplify]: iteration  6 :  644  enodes  (cost  4 )
0.048 * * [simplify]: iteration  7 :  1473  enodes  (cost  4 )
0.093 * * [simplify]: iteration  8 :  5001  enodes  (cost  4 )
0.093 * [simplify]: Simplified to:
   (- (+ x (/ a (exp x))) 1.0)
0.097 * [progress]: [Phase 3 of 3] Extracting.
0.099 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ x (/ a (exp x))) 1.0)
0.100 * * [simplify]: iteration  0 :  8  enodes  (cost  4 )
0.100 * * [simplify]: iteration  1 :  8  enodes  (cost  4 )
0.100 * [simplify]: Simplified to:
   (- (+ x (/ a (exp x))) 1.0)
0.887 * [regime-testing]: End program error score: 0.013751718964870608