8.630 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.098 * * * [progress]: [2/2] Setting up program.
0.102 * [progress]: [Phase 2 of 3] Improving.
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0))
0.104 * * [simplify]: iteration  0 :  37  enodes  (cost  11 )
0.105 * * [simplify]: iteration  1 :  103  enodes  (cost  11 )
0.107 * * [simplify]: iteration  2 :  314  enodes  (cost  9 )
0.114 * * [simplify]: iteration  3 :  898  enodes  (cost  8 )
0.135 * * [simplify]: iteration  4 :  3069  enodes  (cost  8 )
0.223 * * [simplify]: iteration  5 :  5001  enodes  (cost  8 )
0.224 * [simplify]: Simplified to:
   (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0)))
0.228 * [progress]: [Phase 3 of 3] Extracting.
0.228 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0))))> #<alt (λ (x y) (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)))>)
0.228 * * * [regime-changes]: Trying 4 branch expressions: ((pow x 4.0) (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)) y x)
0.228 * * * * [regimes]: Trying to branch on (pow x 4.0) from (#<alt (λ (x y) (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0))))> #<alt (λ (x y) (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)))>)
0.265 * * * * [regimes]: Trying to branch on (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)) from (#<alt (λ (x y) (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0))))> #<alt (λ (x y) (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)))>)
0.323 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0))))> #<alt (λ (x y) (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)))>)
0.356 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0))))> #<alt (λ (x y) (+ (+ (+ (- (* 6.0 (pow x 4.0)) (pow y 4.0)) (pow y 2.0)) (* 3.0 (pow x 4.0))) (pow y 2.0)))>)
0.388 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.389 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0)))
0.389 * * [simplify]: iteration  0 :  19  enodes  (cost  8 )
0.389 * * [simplify]: iteration  1 :  19  enodes  (cost  8 )
0.390 * [simplify]: Simplified to:
   (+ (* 2 (pow y 2.0)) (- (* (pow x 4.0) (+ 3.0 6.0)) (pow y 4.0)))
3.602 * [regime-testing]: End program error score: 0.10587764405075428