0.929 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.039 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 1.0 (/ 1.0 (+ 1.0 (exp (+ (* A f) B)))))
0.041 * * [simplify]: iteration  0 :  18  enodes  (cost  6 )
0.042 * * [simplify]: iteration  1 :  26  enodes  (cost  6 )
0.044 * * [simplify]: iteration  2 :  33  enodes  (cost  6 )
0.045 * * [simplify]: iteration  3 :  51  enodes  (cost  6 )
0.046 * * [simplify]: iteration  4 :  104  enodes  (cost  6 )
0.048 * * [simplify]: iteration  5 :  271  enodes  (cost  6 )
0.053 * * [simplify]: iteration  6 :  866  enodes  (cost  6 )
0.071 * * [simplify]: iteration  7 :  3766  enodes  (cost  6 )
0.145 * * [simplify]: iteration  8 :  5001  enodes  (cost  6 )
0.146 * [simplify]: Simplified to:
   (- 1.0 (/ 1.0 (+ 1.0 (exp (+ (* A f) B)))))
0.146 * [progress]: [Phase 3 of 3] Extracting.
0.149 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 1.0 (/ 1.0 (+ 1.0 (exp (+ (* A f) B)))))
0.150 * * [simplify]: iteration  0 :  13  enodes  (cost  6 )
0.150 * * [simplify]: iteration  1 :  13  enodes  (cost  6 )
0.150 * [simplify]: Simplified to:
   (- 1.0 (/ 1.0 (+ 1.0 (exp (+ (* A f) B)))))
1.415 * [regime-testing]: End program error score: 0.09139264873443863