3.105 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp2 a) (exp2 b))
0.034 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.035 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.036 * * [simplify]: iteration  2 :  8  enodes  (cost  3 )
0.036 * [simplify]: Simplified to:
   (- (exp2 a) (exp2 b))
0.036 * [progress]: [Phase 3 of 3] Extracting.
0.039 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp2 a) (exp2 b))
0.039 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.039 * [simplify]: Simplified to:
   (- (exp2 a) (exp2 b))
1.168 * [regime-testing]: End program error score: 25.73027245858941