3.449 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.095 * * * [progress]: [2/2] Setting up program.
0.098 * [progress]: [Phase 2 of 3] Improving.
0.098 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sin (+ a b)) (sin (- a b)))
0.100 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.101 * * [simplify]: iteration  1 :  14  enodes  (cost  5 )
0.102 * * [simplify]: iteration  2 :  14  enodes  (cost  5 )
0.102 * [simplify]: Simplified to:
   (- (sin (+ a b)) (sin (- a b)))
0.103 * [progress]: [Phase 3 of 3] Extracting.
0.105 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sin (+ a b)) (sin (- a b)))
0.106 * * [simplify]: iteration  0 :  8  enodes  (cost  5 )
0.106 * * [simplify]: iteration  1 :  8  enodes  (cost  5 )
0.106 * [simplify]: Simplified to:
   (- (sin (+ a b)) (sin (- a b)))
3.320 * [regime-testing]: End program error score: 36.991796912269855