24.341 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.125 * * * [progress]: [2/2] Setting up program.
0.128 * [progress]: [Phase 2 of 3] Improving.
0.128 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (acos (* (cos x) (cos y)))
0.130 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.131 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.131 * [simplify]: Simplified to:
   (acos (* (cos x) (cos y)))
0.131 * [progress]: [Phase 3 of 3] Extracting.
0.134 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (acos (* (cos x) (cos y)))
0.135 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.135 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.135 * [simplify]: Simplified to:
   (acos (* (cos x) (cos y)))
4.106 * [regime-testing]: End program error score: 15.580776866286568