5.404 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.075 * * * [progress]: [2/2] Setting up program.
0.079 * [progress]: [Phase 2 of 3] Improving.
0.079 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (log (+ (exp a) 1.0)) (log (+ (exp b) 1.0)))
0.081 * * [simplify]: iteration  0 :  13  enodes  (cost  7 )
0.082 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.082 * [simplify]: Simplified to:
   (+ (log (+ (exp a) 1.0)) (log (+ (exp b) 1.0)))
0.082 * [progress]: [Phase 3 of 3] Extracting.
0.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (log (+ (exp a) 1.0)) (log (+ (exp b) 1.0)))
0.086 * * [simplify]: iteration  0 :  13  enodes  (cost  7 )
0.086 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.086 * [simplify]: Simplified to:
   (+ (log (+ (exp a) 1.0)) (log (+ (exp b) 1.0)))
2.292 * [regime-testing]: End program error score: 0.8332543965431428