12.799 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.241 * * * [progress]: [2/2] Setting up program.
0.246 * [progress]: [Phase 2 of 3] Improving.
0.246 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (acos (+ (* (sin x) (sin x2)) (* (* (cos x) (cos x2)) (cos (- y y2)))))
0.248 * * [simplify]: iteration  0 :  23  enodes  (cost  11 )
0.249 * * [simplify]: iteration  1 :  31  enodes  (cost  11 )
0.250 * * [simplify]: iteration  2 :  33  enodes  (cost  11 )
0.251 * * [simplify]: iteration  3 :  33  enodes  (cost  11 )
0.251 * [simplify]: Simplified to:
   (acos (+ (* (sin x) (sin x2)) (* (* (cos x) (cos x2)) (cos (- y y2)))))
0.251 * [progress]: [Phase 3 of 3] Extracting.
0.256 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (acos (+ (* (sin x) (sin x2)) (* (* (cos x) (cos x2)) (cos (- y y2)))))
0.256 * * [simplify]: iteration  0 :  19  enodes  (cost  11 )
0.257 * * [simplify]: iteration  1 :  19  enodes  (cost  11 )
0.257 * [simplify]: Simplified to:
   (acos (+ (* (sin x) (sin x2)) (* (* (cos x) (cos x2)) (cos (- y y2)))))
8.398 * [regime-testing]: End program error score: 16.74304735547736