13.905 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.064 * * * [progress]: [2/2] Setting up program.
0.068 * [progress]: [Phase 2 of 3] Improving.
0.068 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (* a a) R) (pow (- (pow a 2.0) (pow R 2.0)) 0.5))
0.070 * * [simplify]: iteration  0 :  27  enodes  (cost  7 )
0.071 * * [simplify]: iteration  1 :  68  enodes  (cost  7 )
0.073 * * [simplify]: iteration  2 :  190  enodes  (cost  7 )
0.076 * * [simplify]: iteration  3 :  690  enodes  (cost  7 )
0.090 * * [simplify]: iteration  4 :  3166  enodes  (cost  7 )
0.136 * * [simplify]: iteration  5 :  5003  enodes  (cost  7 )
0.137 * [simplify]: Simplified to:
   (/ (* (* a a) R) (pow (- (pow a 2.0) (pow R 2.0)) 0.5))
0.137 * [progress]: [Phase 3 of 3] Extracting.
0.140 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (* a a) R) (pow (- (pow a 2.0) (pow R 2.0)) 0.5))
0.141 * * [simplify]: iteration  0 :  12  enodes  (cost  7 )
0.141 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.141 * [simplify]: Simplified to:
   (/ (* (* a a) R) (pow (- (pow a 2.0) (pow R 2.0)) 0.5))
2.383 * [regime-testing]: End program error score: 31.30116440333451