3.865 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.057 * [progress]: [Phase 2 of 3] Improving.
0.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 (exp x)))
0.059 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.060 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.060 * [simplify]: Simplified to:
   (log (+ 1.0 (exp x)))
0.060 * [progress]: [Phase 3 of 3] Extracting.
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 (exp x)))
0.063 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.063 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.063 * [simplify]: Simplified to:
   (log (+ 1.0 (exp x)))
1.938 * [regime-testing]: End program error score: 0.550323016598625