4.395 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.035 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp2 (+ 0.5 (* 0.5 (cos x))))
0.040 * * [simplify]: iteration  0 :  8  enodes  (cost  4 )
0.041 * * [simplify]: iteration  1 :  11  enodes  (cost  4 )
0.042 * * [simplify]: iteration  2 :  15  enodes  (cost  4 )
0.043 * * [simplify]: iteration  3 :  21  enodes  (cost  4 )
0.044 * * [simplify]: iteration  4 :  21  enodes  (cost  4 )
0.044 * [simplify]: Simplified to:
   (exp2 (+ 0.5 (* 0.5 (cos x))))
0.044 * [progress]: [Phase 3 of 3] Extracting.
0.047 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp2 (+ 0.5 (* 0.5 (cos x))))
0.047 * * [simplify]: iteration  0 :  8  enodes  (cost  4 )
0.047 * * [simplify]: iteration  1 :  8  enodes  (cost  4 )
0.047 * [simplify]: Simplified to:
   (exp2 (+ 0.5 (* 0.5 (cos x))))
1.582 * [regime-testing]: End program error score: 0.06500812601575197