3.204 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.058 * * * [progress]: [2/2] Setting up program.
0.061 * [progress]: [Phase 2 of 3] Improving.
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (neg 1.0) (sqrt (+ 1.0 (* (* (* 4.0 (+ (neg 1.0) x)) x) (- 1.0 (* 4.0 y)))))) (+ (neg 1.0) (* 4.0 y)))
0.063 * * [simplify]: iteration  0 :  36  enodes  (cost  15 )
0.066 * * [simplify]: iteration  1 :  96  enodes  (cost  15 )
0.068 * * [simplify]: iteration  2 :  344  enodes  (cost  15 )
0.074 * * [simplify]: iteration  3 :  1183  enodes  (cost  15 )
0.096 * * [simplify]: iteration  4 :  3368  enodes  (cost  15 )
0.168 * * [simplify]: iteration  5 :  5001  enodes  (cost  15 )
0.168 * [simplify]: Simplified to:
   (/ (+ (neg 1.0) (sqrt (+ 1.0 (* (* (* 4.0 (+ (neg 1.0) x)) x) (- 1.0 (* 4.0 y)))))) (+ (neg 1.0) (* 4.0 y)))
0.169 * [progress]: [Phase 3 of 3] Extracting.
0.172 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (neg 1.0) (sqrt (+ 1.0 (* (* (* 4.0 (+ (neg 1.0) x)) x) (- 1.0 (* 4.0 y)))))) (+ (neg 1.0) (* 4.0 y)))
0.172 * * [simplify]: iteration  0 :  24  enodes  (cost  15 )
0.173 * * [simplify]: iteration  1 :  24  enodes  (cost  15 )
0.173 * [simplify]: Simplified to:
   (/ (+ (neg 1.0) (sqrt (+ 1.0 (* (* (* 4.0 (+ (neg 1.0) x)) x) (- 1.0 (* 4.0 y)))))) (+ (neg 1.0) (* 4.0 y)))
2.079 * [regime-testing]: End program error score: 43.44156936900499