5.522 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (exp x) 1.0)) x)
0.023 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.024 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.025 * * [simplify]: iteration  2 :  10  enodes  (cost  4 )
0.025 * [simplify]: Simplified to:
   (- (log (+ (exp x) 1.0)) x)
0.025 * [progress]: [Phase 3 of 3] Extracting.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (exp x) 1.0)) x)
0.028 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.028 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.028 * [simplify]: Simplified to:
   (- (log (+ (exp x) 1.0)) x)
0.788 * [regime-testing]: End program error score: 0.6385095712508494