3.500 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.065 * * * [progress]: [2/2] Setting up program.
0.068 * [progress]: [Phase 2 of 3] Improving.
0.068 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sin x) (pow (cos x) 2.0))
0.070 * * [simplify]: iteration  0 :  12  enodes  (cost  4 )
0.071 * * [simplify]: iteration  1 :  21  enodes  (cost  4 )
0.072 * * [simplify]: iteration  2 :  45  enodes  (cost  4 )
0.074 * * [simplify]: iteration  3 :  121  enodes  (cost  4 )
0.077 * * [simplify]: iteration  4 :  415  enodes  (cost  4 )
0.087 * * [simplify]: iteration  5 :  1912  enodes  (cost  4 )
0.132 * * [simplify]: iteration  6 :  5001  enodes  (cost  4 )
0.133 * [simplify]: Simplified to:
   (- (sin x) (pow (cos x) 2.0))
0.133 * [progress]: [Phase 3 of 3] Extracting.
0.136 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sin x) (pow (cos x) 2.0))
0.136 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.136 * [simplify]: Simplified to:
   (- (sin x) (pow (cos x) 2.0))
2.390 * [regime-testing]: End program error score: 0.25811525286441644