13.665 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (+ (* x x) (* y y)))
0.019 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
0.020 * * [simplify]: iteration  1 :  7  enodes  (cost  8 )
0.021 * * [simplify]: iteration  done :  7  enodes  (cost  8 )
0.021 * [simplify]: Simplified to:
   (sqrt (+ (* x x) (* y y)))
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.023 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.023 * * * [progress]: localizing error
0.029 * * * [progress]: generating rewritten candidates
0.029 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.034 * * * [progress]: generating series expansions
0.034 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.034 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in (x y) around 0
0.034 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in y
0.034 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.034 * [taylor]: Taking taylor expansion of x in y
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.035 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.035 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.035 * [taylor]: Taking taylor expansion of y in x
0.035 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.035 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.035 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.035 * [taylor]: Taking taylor expansion of y in x
0.035 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.036 * [taylor]: Taking taylor expansion of 1/2 in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.036 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.036 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.036 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.036 * [taylor]: Taking taylor expansion of x in y
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.036 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.037 * [taylor]: Taking taylor expansion of y in x
0.037 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.037 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.037 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.037 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.037 * [taylor]: Taking taylor expansion of y in x
0.037 * [taylor]: Taking taylor expansion of 1 in y
0.037 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.037 * [taylor]: Taking taylor expansion of 1/2 in y
0.037 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.038 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.038 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.038 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.038 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.038 * [taylor]: Taking taylor expansion of x in y
0.038 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.038 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.039 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.039 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.039 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.039 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of 1 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.040 * [taylor]: Taking taylor expansion of 1/2 in y
0.040 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.040 * * * [progress]: simplifying candidates
0.041 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (* (* (sqrt (+ (* x x) (* y y))) (sqrt (+ (* x x) (* y y)))) (sqrt (+ (* x x) (* y y))))
  (sqrt (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt 1)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow (* x x) 3) (pow (* y y) 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* y y)))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  y
  x
  (* -1 x)
0.042 * * [simplify]: iteration  0 :  38  enodes  (cost  213 )
0.047 * * [simplify]: iteration  1 :  91  enodes  (cost  186 )
0.067 * * [simplify]: iteration  2 :  207  enodes  (cost  170 )
0.116 * * [simplify]: iteration  3 :  459  enodes  (cost  164 )
0.242 * * [simplify]: iteration  4 :  1010  enodes  (cost  164 )
0.763 * * [simplify]: iteration  5 :  2585  enodes  (cost  164 )
1.816 * * [simplify]: iteration  done :  5001  enodes  (cost  164 )
1.817 * [simplify]: Simplified to:
   (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (pow (sqrt (+ (* x x) (* y y))) 3)
  (fabs (cbrt (+ (* x x) (* y y))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  1
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow y 6) (pow x 6)))
  (sqrt (+ (pow x 4) (* (* y y) (- (* y y) (* x x)))))
  (sqrt (- (pow x 4) (pow y 4)))
  (sqrt (- (* x x) (* y y)))
  1/2
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  y
  x
  (neg x)
1.817 * * * [progress]: adding candidates to table
1.848 * * [progress]: iteration 2 / 4
1.848 * * * [progress]: picking best candidate
1.854 * * * * [pick]: Picked  #<alt (λ (x y) y)>
1.854 * * * [progress]: localizing error
1.854 * * * [progress]: generating rewritten candidates
1.854 * * * [progress]: generating series expansions
1.854 * * * [progress]: simplifying candidates
1.854 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.855 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.855 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.855 * [simplify]: Simplified to:
   
1.855 * * * [progress]: adding candidates to table
1.855 * * [progress]: iteration 3 / 4
1.855 * * * [progress]: picking best candidate
1.859 * * * * [pick]: Picked  #<alt (λ (x y) x)>
1.859 * * * [progress]: localizing error
1.860 * * * [progress]: generating rewritten candidates
1.860 * * * [progress]: generating series expansions
1.860 * * * [progress]: simplifying candidates
1.860 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.860 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.860 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.860 * [simplify]: Simplified to:
   
1.860 * * * [progress]: adding candidates to table
1.861 * * [progress]: iteration 4 / 4
1.861 * * * [progress]: picking best candidate
1.863 * * * * [pick]: Picked  #<alt (λ (x y) (neg x))>
1.863 * * * [progress]: localizing error
1.864 * * * [progress]: generating rewritten candidates
1.864 * * * [progress]: generating series expansions
1.864 * * * [progress]: simplifying candidates
1.864 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.865 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.865 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.865 * [simplify]: Simplified to:
   
1.865 * * * [progress]: adding candidates to table
1.865 * [progress]: [Phase 3 of 3] Extracting.
1.865 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
1.865 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
1.865 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
1.901 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)>)
1.938 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
1.976 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
2.008 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
2.045 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
2.087 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
2.138 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
2.197 * * * [regime]: Found split indices: #<option (#s(si 1 40) #s(si 0 119) #s(si 3 137) #s(si 0 212) #s(si 2 255))>
2.197 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
2.247 * [regimes]: Found splitpoints: (#s(sp 1 x -4.6910854621363227e+113) #s(sp 0 x -7.88936342124095e-297) #s(sp 3 x 3.436457427838497e-206) #s(sp 0 x 4.40956572394349e+116) #s(sp 2 x +nan.0)) , with alts (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (neg x))> #<alt (λ (x y) x)> #<alt (λ (x y) y)>)
2.247 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -4.6910854621363227e+113) (neg x) (if (<= x -7.88936342124095e-297) (sqrt (+ (* x x) (* y y))) (if (<= x 3.436457427838497e-206) y (if (<= x 4.40956572394349e+116) (sqrt (+ (* x x) (* y y))) x))))
2.247 * * [simplify]: iteration  0 :  19  enodes  (cost  36 )
2.248 * * [simplify]: iteration  1 :  20  enodes  (cost  36 )
2.249 * * [simplify]: iteration  done :  20  enodes  (cost  36 )
2.249 * [simplify]: Simplified to:
   (if (<= x -4.6910854621363227e+113) (neg x) (if (<= x -7.88936342124095e-297) (sqrt (+ (* x x) (* y y))) (if (<= x 3.436457427838497e-206) y (if (<= x 4.40956572394349e+116) (sqrt (+ (* x x) (* y y))) x))))
3.114 * [regime-testing]: End program error score: 17.759996933709836
3.200 * [regime-testing]: Target error score: 17.566233359711074