8.783 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.286 * * * [progress]: [2/2] Setting up program.
0.294 * [progress]: [Phase 2 of 3] Improving.
0.294 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (+ (- (- (+ (- (+ (pow a 2.0) (* (* 2.0 a) (pow x 2.0))) (* (* 2.0 a) (pow y 2.0))) a) (pow b 2.0)) (* (* (* 4.0 b) x) y)) (pow x 4.0)) (* (* 6.0 (pow x 2.0)) (pow y 2.0))) (pow y 4.0))
0.297 * * [simplify]: iteration  0 :  88  enodes  (cost  25 )
0.299 * * [simplify]: iteration  1 :  334  enodes  (cost  23 )
0.306 * * [simplify]: iteration  2 :  1948  enodes  (cost  23 )
0.351 * * [simplify]: iteration  3 :  5002  enodes  (cost  23 )
0.351 * [simplify]: Simplified to:
   (- (+ (pow a 2.0) (+ (* (* 2.0 a) (- (pow x 2.0) (pow y 2.0))) (- a (pow b 2.0)))) (+ (- (* (* (* 4.0 b) x) y) (pow x 4.0)) (- (* (* 6.0 (pow x 2.0)) (pow y 2.0)) (pow y 4.0))))
0.358 * [progress]: [Phase 3 of 3] Extracting.
0.367 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (+ (- (- (+ (- (+ (pow a 2.0) (* (* 2.0 a) (pow x 2.0))) (* (* 2.0 a) (pow y 2.0))) a) (pow b 2.0)) (* (* (* 4.0 b) x) y)) (pow x 4.0)) (* (* 6.0 (pow x 2.0)) (pow y 2.0))) (pow y 4.0))
0.368 * * [simplify]: iteration  0 :  41  enodes  (cost  25 )
0.368 * * [simplify]: iteration  1 :  41  enodes  (cost  25 )
0.369 * [simplify]: Simplified to:
   (+ (- (+ (- (- (+ (- (+ (pow a 2.0) (* (* 2.0 a) (pow x 2.0))) (* (* 2.0 a) (pow y 2.0))) a) (pow b 2.0)) (* (* (* 4.0 b) x) y)) (pow x 4.0)) (* (* 6.0 (pow x 2.0)) (pow y 2.0))) (pow y 4.0))
10.104 * [regime-testing]: End program error score: 0.02396071735189049