20.740 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.114 * * * [progress]: [2/2] Setting up program.
0.116 * [progress]: [Phase 2 of 3] Improving.
0.117 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (* x x) (* y y)))
0.119 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
0.119 * * [simplify]: iteration  1 :  7  enodes  (cost  8 )
0.119 * [simplify]: Simplified to:
   (sqrt (+ (* x x) (* y y)))
0.122 * * [progress]: iteration 1 / 4
0.122 * * * [progress]: picking best candidate
0.124 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.124 * * * [progress]: localizing error
0.129 * * * [progress]: generating rewritten candidates
0.129 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.133 * * * [progress]: generating series expansions
0.133 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.134 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in (x y) around 0
0.134 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in y
0.134 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.134 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.134 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.135 * [taylor]: Taking taylor expansion of 1/2 in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.135 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.135 * [taylor]: Taking taylor expansion of x in y
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of 1 in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.136 * [taylor]: Taking taylor expansion of 1/2 in y
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.137 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.137 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.138 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.138 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of 1 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.138 * [taylor]: Taking taylor expansion of 1/2 in y
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * * * [progress]: simplifying candidates
0.139 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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)
0.179 * * [simplify]: iteration  0 :  4905  enodes  (cost  164 )
0.179 * * [simplify]: iteration  1 :  4905  enodes  (cost  164 )
0.180 * [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 x 6) (pow y 6)))
  (sqrt (+ (pow x 4) (- (pow y 4) (* x (* x (* y y))))))
  (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)
0.180 * * * [progress]: adding candidates to table
0.205 * * [progress]: iteration 2 / 4
0.205 * * * [progress]: picking best candidate
0.210 * * * * [pick]: Picked  #<alt (λ (x y) x)>
0.210 * * * [progress]: localizing error
0.211 * * * [progress]: generating rewritten candidates
0.211 * * * [progress]: generating series expansions
0.211 * * * [progress]: simplifying candidates
0.211 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.213 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.214 * [simplify]: Simplified to:
   
0.214 * * * [progress]: adding candidates to table
0.214 * * [progress]: iteration 3 / 4
0.214 * * * [progress]: picking best candidate
0.219 * * * * [pick]: Picked  #<alt (λ (x y) y)>
0.219 * * * [progress]: localizing error
0.220 * * * [progress]: generating rewritten candidates
0.220 * * * [progress]: generating series expansions
0.220 * * * [progress]: simplifying candidates
0.220 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.222 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.222 * [simplify]: Simplified to:
   
0.222 * * * [progress]: adding candidates to table
0.223 * * [progress]: iteration 4 / 4
0.223 * * * [progress]: picking best candidate
0.225 * * * * [pick]: Picked  #<alt (λ (x y) (neg x))>
0.225 * * * [progress]: localizing error
0.226 * * * [progress]: generating rewritten candidates
0.226 * * * [progress]: generating series expansions
0.226 * * * [progress]: simplifying candidates
0.226 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.228 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.228 * [simplify]: Simplified to:
   
0.228 * * * [progress]: adding candidates to table
0.229 * [progress]: [Phase 3 of 3] Extracting.
0.229 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.229 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
0.229 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.268 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.300 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.336 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.367 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.401 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.439 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.497 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.552 * * * [regime]: Found split indices: #<option (#s(si 1 36) #s(si 2 67) #s(si 3 73) #s(si 2 200) #s(si 0 255))>
0.552 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.590 * [regimes]: Found splitpoints: (#s(sp 1 x -4.864167289730826e+136) #s(sp 2 x -2.4704911317770355e-70) #s(sp 3 x -1.6020683207984553e-95) #s(sp 2 x 1.1635286815108139e+92) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x y) x)> #<alt (λ (x y) (neg x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
0.590 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -4.864167289730826e+136) (neg x) (if (<= x -2.4704911317770355e-70) (sqrt (+ (* x x) (* y y))) (if (<= x -1.6020683207984553e-95) y (if (<= x 1.1635286815108139e+92) (sqrt (+ (* x x) (* y y))) x))))
0.591 * * [simplify]: iteration  0 :  27  enodes  (cost  36 )
0.591 * * [simplify]: iteration  1 :  27  enodes  (cost  36 )
0.591 * [simplify]: Simplified to:
   (if (<= x -4.864167289730826e+136) (neg x) (if (<= x -2.4704911317770355e-70) (sqrt (+ (* x x) (* y y))) (if (<= x -1.6020683207984553e-95) y (if (<= x 1.1635286815108139e+92) (sqrt (+ (* x x) (* y y))) x))))
1.344 * [regime-testing]: End program error score: 17.970244114826375
1.430 * [regime-testing]: Target error score: 17.568837391336626