3.179 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.099 * * * [progress]: [2/2] Setting up program.
0.103 * [progress]: [Phase 2 of 3] Improving.
0.103 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ 1.0 (sqrt (+ (pow (- x b) 2.0) (* a a)))) (/ 1.0 (sqrt (+ (pow (+ x b) 2.0) (* a a)))))
0.105 * * [simplify]: iteration  0 :  30  enodes  (cost  13 )
0.106 * * [simplify]: iteration  1 :  42  enodes  (cost  13 )
0.108 * * [simplify]: iteration  2 :  68  enodes  (cost  13 )
0.109 * * [simplify]: iteration  3 :  140  enodes  (cost  13 )
0.112 * * [simplify]: iteration  4 :  419  enodes  (cost  13 )
0.120 * * [simplify]: iteration  5 :  1800  enodes  (cost  13 )
0.153 * * [simplify]: iteration  6 :  5001  enodes  (cost  13 )
0.153 * [simplify]: Simplified to:
   (- (/ 1.0 (sqrt (+ (pow (- x b) 2.0) (* a a)))) (/ 1.0 (sqrt (+ (pow (+ x b) 2.0) (* a a)))))
0.154 * [progress]: [Phase 3 of 3] Extracting.
0.157 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ 1.0 (sqrt (+ (pow (- x b) 2.0) (* a a)))) (/ 1.0 (sqrt (+ (pow (+ x b) 2.0) (* a a)))))
0.158 * * [simplify]: iteration  0 :  20  enodes  (cost  13 )
0.158 * * [simplify]: iteration  1 :  20  enodes  (cost  13 )
0.158 * [simplify]: Simplified to:
   (- (/ 1.0 (sqrt (+ (pow (- x b) 2.0) (* a a)))) (/ 1.0 (sqrt (+ (pow (+ x b) 2.0) (* a a)))))
3.456 * [regime-testing]: End program error score: 18.53768681343959