13.646 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.071 * * * [progress]: [2/2] Setting up program.
0.075 * [progress]: [Phase 2 of 3] Improving.
0.075 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (exp a) (exp b))) a)
0.077 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.078 * * [simplify]: iteration  1 :  11  enodes  (cost  5 )
0.079 * * [simplify]: iteration  2 :  11  enodes  (cost  5 )
0.079 * [simplify]: Simplified to:
   (- (log (+ (exp a) (exp b))) a)
0.080 * [progress]: [Phase 3 of 3] Extracting.
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (exp a) (exp b))) a)
0.084 * * [simplify]: iteration  0 :  8  enodes  (cost  5 )
0.085 * * [simplify]: iteration  1 :  8  enodes  (cost  5 )
0.085 * [simplify]: Simplified to:
   (- (log (+ (exp a) (exp b))) a)
2.438 * [regime-testing]: End program error score: 15.475873110637394