7.984 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (* x x) (* y y)))
0.015 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.016 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.016 * [simplify]: Simplified to:
   (sqrt (+ (* x x) (* y y)))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.018 * * * [progress]: localizing error
0.026 * * * [progress]: generating rewritten candidates
0.026 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.030 * * * [progress]: generating series expansions
0.030 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.031 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in (x y) around 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) (pow y 2))) in y
0.031 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.031 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.031 * [taylor]: Taking taylor expansion of x in y
0.031 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.031 * [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
0.032 * [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 (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
0.033 * [taylor]: Taking taylor expansion of y in y
0.033 * [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
0.039 * [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
0.040 * [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
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of 1 in y
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.046 * [taylor]: Taking taylor expansion of 1/2 in y
0.046 * [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
0.051 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.053 * [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
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.056 * [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]: simplifying candidates
0.065 * [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)
0.068 * * [simplify]: iteration  0 :  89  enodes  (cost  100 )
0.071 * * [simplify]: iteration  1 :  215  enodes  (cost  97 )
0.075 * * [simplify]: iteration  2 :  503  enodes  (cost  97 )
0.084 * * [simplify]: iteration  3 :  1265  enodes  (cost  97 )
0.111 * * [simplify]: iteration  4 :  4227  enodes  (cost  97 )
0.197 * * [simplify]: iteration  5 :  5002  enodes  (cost  96 )
0.198 * [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 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)
0.198 * * * [progress]: adding candidates to table
0.237 * * [progress]: iteration 2 / 4
0.237 * * * [progress]: picking best candidate
0.239 * * * * [pick]: Picked  #<alt (λ (x y) (* -1 x))>
0.239 * * * [progress]: localizing error
0.241 * * * [progress]: generating rewritten candidates
0.241 * * * [progress]: generating series expansions
0.241 * * * [progress]: simplifying candidates
0.241 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.243 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.243 * [simplify]: Simplified to:
   
0.243 * * * [progress]: adding candidates to table
0.243 * * [progress]: iteration 3 / 4
0.243 * * * [progress]: picking best candidate
0.245 * * * * [pick]: Picked  #<alt (λ (x y) x)>
0.245 * * * [progress]: localizing error
0.246 * * * [progress]: generating rewritten candidates
0.246 * * * [progress]: generating series expansions
0.246 * * * [progress]: simplifying candidates
0.246 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.248 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.248 * [simplify]: Simplified to:
   
0.248 * * * [progress]: adding candidates to table
0.248 * * [progress]: iteration 4 / 4
0.249 * * * [progress]: picking best candidate
0.249 * * * * [pick]: Picked  #<alt (λ (x y) y)>
0.249 * * * [progress]: localizing error
0.250 * * * [progress]: generating rewritten candidates
0.250 * * * [progress]: generating series expansions
0.250 * * * [progress]: simplifying candidates
0.250 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.252 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.252 * [simplify]: Simplified to:
   
0.252 * * * [progress]: adding candidates to table
0.252 * [progress]: [Phase 3 of 3] Extracting.
0.252 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.253 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
0.253 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.274 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.291 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.308 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) y)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.317 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.340 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.364 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.419 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.452 * * * [regime]: Found split indices: #<option (#s(si 2 36) #s(si 3 109) #s(si 0 129) #s(si 3 219) #s(si 1 255))>
0.453 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.531 * [regimes]: Found splitpoints: (#s(sp 2 x -8.15024475259888e+153) #s(sp 3 x -9.528172448826491e-265) #s(sp 0 x 1.047455535241276e-281) #s(sp 3 x 2.70835173311075e+105) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) y)> #<alt (λ (x y) x)> #<alt (λ (x y) (* -1 x))> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
0.532 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -8.15024475259888e+153) (* -1 x) (if (<= x -9.528172448826491e-265) (sqrt (+ (* x x) (* y y))) (if (<= x 1.047455535241276e-281) y (if (<= x 2.70835173311075e+105) (sqrt (+ (* x x) (* y y))) x))))
0.532 * * [simplify]: iteration  0 :  23  enodes  (cost  9 )
0.533 * * [simplify]: iteration  1 :  23  enodes  (cost  9 )
0.533 * [simplify]: Simplified to:
   (if (<= x -8.15024475259888e+153) (* -1 x) (if (<= x -9.528172448826491e-265) (sqrt (+ (* x x) (* y y))) (if (<= x 1.047455535241276e-281) y (if (<= x 2.70835173311075e+105) (sqrt (+ (* x x) (* y y))) x))))
0.935 * [regime-testing]: Baseline error score: 32.30873690391314
0.935 * [regime-testing]: Oracle error score: 8.16337656290569
0.937 * [regime-testing]: End program error score: 17.960616968203677
0.967 * [regime-testing]: Target error score: 17.89809344994303