8.890 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.070 * * * [progress]: [2/2] Setting up program.
0.075 * [progress]: [Phase 2 of 3] Improving.
0.075 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (acos (/ (+ (* x1 y1) (* x2 y2)) (* (hypot x1 x2) (hypot y1 y2))))
0.077 * * [simplify]: iteration  0 :  18  enodes  (cost  8 )
0.078 * * [simplify]: iteration  1 :  20  enodes  (cost  8 )
0.080 * * [simplify]: iteration  2 :  20  enodes  (cost  8 )
0.080 * [simplify]: Simplified to:
   (acos (/ (+ (* x1 y1) (* x2 y2)) (* (hypot x1 x2) (hypot y1 y2))))
0.080 * [progress]: [Phase 3 of 3] Extracting.
0.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (acos (/ (+ (* x1 y1) (* x2 y2)) (* (hypot x1 x2) (hypot y1 y2))))
0.085 * * [simplify]: iteration  0 :  16  enodes  (cost  8 )
0.085 * * [simplify]: iteration  1 :  16  enodes  (cost  8 )
0.086 * [simplify]: Simplified to:
   (acos (/ (+ (* x1 y1) (* x2 y2)) (* (hypot x1 x2) (hypot y1 y2))))
2.504 * [regime-testing]: End program error score: 25.467718832186858