3.652 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.063 * * * [progress]: [2/2] Setting up program.
0.069 * [progress]: [Phase 2 of 3] Improving.
0.069 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 (exp (* a b))))
0.071 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.072 * * [simplify]: iteration  1 :  17  enodes  (cost  4 )
0.074 * * [simplify]: iteration  2 :  25  enodes  (cost  4 )
0.075 * * [simplify]: iteration  3 :  47  enodes  (cost  4 )
0.076 * * [simplify]: iteration  4 :  109  enodes  (cost  4 )
0.078 * * [simplify]: iteration  5 :  317  enodes  (cost  4 )
0.085 * * [simplify]: iteration  6 :  1622  enodes  (cost  4 )
0.127 * * [simplify]: iteration  7 :  5001  enodes  (cost  4 )
0.127 * [simplify]: Simplified to:
   (log (+ 1.0 (exp (* a b))))
0.127 * [progress]: [Phase 3 of 3] Extracting.
0.130 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ 1.0 (exp (* a b))))
0.130 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.131 * * [simplify]: iteration  1 :  9  enodes  (cost  4 )
0.131 * [simplify]: Simplified to:
   (log (+ 1.0 (exp (* a b))))
2.353 * [regime-testing]: End program error score: 0.5653766380386313