15.303 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (+ (* x x) (* y y)))
0.014 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
0.015 * * [simplify]: iteration  1 :  7  enodes  (cost  8 )
0.016 * * [simplify]: iteration  done :  7  enodes  (cost  8 )
0.016 * [simplify]: Simplified to:
   (sqrt (+ (* x x) (* y y)))
0.016 * * [progress]: iteration 1 / 4
0.016 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.018 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.027 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.030 * * * [progress]: generating series expansions
0.030 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.030 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in (x y) around 0
0.030 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in y
0.030 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.030 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.030 * [taylor]: Taking taylor expansion of x in y
0.030 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.030 * [taylor]: Taking taylor expansion of y in y
0.031 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.031 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.031 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in x
0.032 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.032 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of y in y
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.034 * [taylor]: Taking taylor expansion of 1/2 in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.037 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.037 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.037 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.037 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.037 * [taylor]: Taking taylor expansion of x in y
0.037 * [taylor]: Taking taylor expansion of (/ 1 (pow y 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
0.039 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.040 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.040 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.040 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.043 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of 1 in y
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.047 * [taylor]: Taking taylor expansion of 1/2 in y
0.047 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.051 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.051 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.051 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.051 * [taylor]: Taking taylor expansion of x in y
0.051 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.051 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.054 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.054 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.057 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.057 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of 1 in y
0.059 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.061 * [taylor]: Taking taylor expansion of 1/2 in y
0.061 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.065 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.066 * [approximate]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in (x y) around 0
0.066 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.072 * [taylor]: Taking taylor expansion of 1 in y
0.073 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.077 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.078 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.078 * [taylor]: Taking taylor expansion of 1 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.088 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.088 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.088 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.089 * [taylor]: Taking taylor expansion of 1 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.091 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.097 * * * [progress]: simplifying candidates
0.097 * [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))))
  (* (exp (* x x)) (exp (* y y)))
  (log (+ (* x x) (* y y)))
  (exp (+ (* x x) (* y y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (cbrt (+ (* x x) (* y y)))
  (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (- (* x x) (* y y))
  y
  x
  (* -1 x)
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
0.099 * * [simplify]: iteration  0 :  48  enodes  (cost  379 )
0.109 * * [simplify]: iteration  1 :  125  enodes  (cost  347 )
0.140 * * [simplify]: iteration  2 :  438  enodes  (cost  295 )
0.340 * * [simplify]: iteration  3 :  1621  enodes  (cost  295 )
1.170 * * [simplify]: iteration  done :  5000  enodes  (cost  295 )
1.171 * [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 y 4) (- (* (* x x) (* y y)) (pow x 4))))
  (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))))
  (exp (+ (* x x) (* y y)))
  (log (+ (* x x) (* y y)))
  (exp (+ (* x x) (* y y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (cbrt (+ (* x x) (* y y)))
  (pow (+ (* x x) (* y y)) 3)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow y 6) (pow x 6))
  (- (pow y 4) (- (* (* x x) (* y y)) (pow x 4)))
  (- (pow x 4) (pow y 4))
  (- (* x x) (* y y))
  y
  x
  (- x)
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
1.171 * * * [progress]: adding candidates to table
1.237 * * [progress]: iteration 2 / 4
1.237 * * * [progress]: picking best candidate
1.240 * * * * [pick]: Picked  #<alt (λ (x y) x)>
1.240 * * * [progress]: localizing error
1.240 * * * [progress]: generating rewritten candidates
1.240 * * * [progress]: generating series expansions
1.240 * * * [progress]: simplifying candidates
1.241 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.241 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.241 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.241 * [simplify]: Simplified to:
   
1.241 * * * [progress]: adding candidates to table
1.242 * * [progress]: iteration 3 / 4
1.242 * * * [progress]: picking best candidate
1.243 * * * * [pick]: Picked  #<alt (λ (x y) (- x))>
1.243 * * * [progress]: localizing error
1.245 * * * [progress]: generating rewritten candidates
1.245 * * * [progress]: generating series expansions
1.245 * * * [progress]: simplifying candidates
1.245 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.246 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.246 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.246 * [simplify]: Simplified to:
   
1.246 * * * [progress]: adding candidates to table
1.246 * * [progress]: iteration 4 / 4
1.246 * * * [progress]: picking best candidate
1.247 * * * * [pick]: Picked  #<alt (λ (x y) y)>
1.247 * * * [progress]: localizing error
1.247 * * * [progress]: generating rewritten candidates
1.247 * * * [progress]: generating series expansions
1.247 * * * [progress]: simplifying candidates
1.247 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.248 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.248 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.248 * [simplify]: Simplified to:
   
1.248 * * * [progress]: adding candidates to table
1.248 * [progress]: [Phase 3 of 3] Extracting.
1.248 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.249 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
1.249 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.272 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.293 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.309 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
1.318 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.339 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.364 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.405 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.438 * * * [regime]: Found split indices: #<option (#s(si 3 31) #s(si 2 92) #s(si 1 130) #s(si 2 209) #s(si 0 255))>
1.438 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.519 * [regimes]: Found splitpoints: (#s(sp 3 x -4.2696195727379345e+139) #s(sp 2 x -3.5543765182763856e-161) #s(sp 1 x 2.243609177547311e-248) #s(sp 2 x 6.3015272029718245e+96) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x y) x)> #<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) (- x))>)
1.519 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -4.2696195727379345e+139) (- x) (if (<= x -3.5543765182763856e-161) (sqrt (+ (* x x) (* y y))) (if (<= x 2.243609177547311e-248) y (if (<= x 6.3015272029718245e+96) (sqrt (+ (* x x) (* y y))) x))))
1.520 * * [simplify]: iteration  0 :  19  enodes  (cost  36 )
1.520 * * [simplify]: iteration  1 :  20  enodes  (cost  36 )
1.521 * * [simplify]: iteration  done :  20  enodes  (cost  36 )
1.521 * [simplify]: Simplified to:
   (if (<= x -4.2696195727379345e+139) (- x) (if (<= x -3.5543765182763856e-161) (sqrt (+ (* x x) (* y y))) (if (<= x 2.243609177547311e-248) y (if (<= x 6.3015272029718245e+96) (sqrt (+ (* x x) (* y y))) x))))
1.954 * [regime-testing]: Baseline error score: 32.20149082106883
1.954 * [regime-testing]: Oracle error score: 8.081943707211556
1.956 * [regime-testing]: End program error score: 18.407535718008013
1.992 * [regime-testing]: Target error score: 18.184132141735148