3.184 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.085 * * * [progress]: [2/2] Setting up program.
0.089 * [progress]: [Phase 2 of 3] Improving.
0.089 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (sin (/ x 2.0)) (sin (/ y 2.0))) 1.0)
0.091 * * [simplify]: iteration  0 :  12  enodes  (cost  6 )
0.092 * * [simplify]: iteration  1 :  13  enodes  (cost  6 )
0.094 * * [simplify]: iteration  2 :  13  enodes  (cost  6 )
0.094 * [simplify]: Simplified to:
   (- (/ (sin (/ x 2.0)) (sin (/ y 2.0))) 1.0)
0.094 * [progress]: [Phase 3 of 3] Extracting.
0.097 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (sin (/ x 2.0)) (sin (/ y 2.0))) 1.0)
0.098 * * [simplify]: iteration  0 :  10  enodes  (cost  6 )
0.098 * [simplify]: Simplified to:
   (- (/ (sin (/ x 2.0)) (sin (/ y 2.0))) 1.0)
2.860 * [regime-testing]: End program error score: 0.23514361858363775