19.774 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.009 * * * [progress]: [2/2] Setting up program.
0.010 * [progress]: [Phase 2 of 3] Improving.
0.011 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) 1.0)
0.013 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.014 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.014 * [simplify]: Simplified to:
   (+ (* x x) 1.0)
0.014 * * [progress]: iteration 1 / 4
0.014 * * * [progress]: picking best candidate
0.016 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) 1.0))>
0.016 * * * [progress]: localizing error
0.018 * * * [progress]: generating rewritten candidates
0.018 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.022 * * * [progress]: generating series expansions
0.022 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.022 * [approximate]: Taking taylor expansion of (+ (pow x 2) 1.0) in (x) around 0
0.022 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.022 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.022 * [taylor]: Taking taylor expansion of x in x
0.022 * [taylor]: Taking taylor expansion of 1.0 in x
0.022 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.022 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.022 * [taylor]: Taking taylor expansion of x in x
0.022 * [taylor]: Taking taylor expansion of 1.0 in x
0.028 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.028 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.028 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.028 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of 1.0 in x
0.029 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.029 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.030 * [taylor]: Taking taylor expansion of 1.0 in x
0.041 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.041 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) 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 1.0 in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) 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 1.0 in x
0.058 * * * [progress]: simplifying candidates
0.058 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x x)) (exp 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (* (* (+ (* x x) 1.0) (+ (* x x) 1.0)) (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (- (* x x) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.061 * * [simplify]: iteration  0 :  81  enodes  (cost  57 )
0.063 * * [simplify]: iteration  1 :  284  enodes  (cost  50 )
0.068 * * [simplify]: iteration  2 :  688  enodes  (cost  50 )
0.083 * * [simplify]: iteration  3 :  2506  enodes  (cost  50 )
0.149 * * [simplify]: iteration  4 :  5001  enodes  (cost  50 )
0.150 * [simplify]: Simplified to:
   (exp (+ (* x x) 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (pow (+ (pow x 2) 1.0) 3)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (- (* 1.0 1.0) (- (* (* x x) 1.0) (pow x 4)))
  (+ (- (* 1.0 1.0)) (pow x 4))
  (- (* x x) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.150 * * * [progress]: adding candidates to table
0.172 * * [progress]: iteration 2 / 4
0.172 * * * [progress]: picking best candidate
0.173 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))>
0.173 * * * [progress]: localizing error
0.178 * * * [progress]: generating rewritten candidates
0.178 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
0.205 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1)
0.208 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1)
0.211 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2)
0.219 * * * [progress]: generating series expansions
0.219 * * * * [progress]: [ 1 / 4 ] generating series at (2)
0.219 * [approximate]: Taking taylor expansion of (+ (pow x 2) 1.0) in (x) around 0
0.220 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.220 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.220 * [taylor]: Taking taylor expansion of x in x
0.220 * [taylor]: Taking taylor expansion of 1.0 in x
0.220 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.220 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.220 * [taylor]: Taking taylor expansion of x in x
0.220 * [taylor]: Taking taylor expansion of 1.0 in x
0.227 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.227 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.227 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of 1.0 in x
0.227 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.227 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of 1.0 in x
0.240 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.241 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.241 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of 1.0 in x
0.241 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.241 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of 1.0 in x
0.254 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 1)
0.254 * [approximate]: Taking taylor expansion of (+ (pow x 2) 1.0) in (x) around 0
0.254 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.254 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of 1.0 in x
0.254 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.254 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of 1.0 in x
0.260 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.260 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.260 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of 1.0 in x
0.261 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.261 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of 1.0 in x
0.273 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.273 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of 1.0 in x
0.274 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of 1.0 in x
0.292 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1)
0.292 * [approximate]: Taking taylor expansion of (+ (pow x 2) 1.0) in (x) around 0
0.292 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.292 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.292 * [taylor]: Taking taylor expansion of x in x
0.292 * [taylor]: Taking taylor expansion of 1.0 in x
0.292 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.292 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.292 * [taylor]: Taking taylor expansion of x in x
0.292 * [taylor]: Taking taylor expansion of 1.0 in x
0.298 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.298 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.298 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.298 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.299 * [taylor]: Taking taylor expansion of x in x
0.299 * [taylor]: Taking taylor expansion of 1.0 in x
0.299 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.299 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.299 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.299 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of 1.0 in x
0.312 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.312 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.312 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.312 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.313 * [taylor]: Taking taylor expansion of 1.0 in x
0.313 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.313 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.313 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.313 * [taylor]: Taking taylor expansion of x in x
0.313 * [taylor]: Taking taylor expansion of 1.0 in x
0.326 * * * * [progress]: [ 4 / 4 ] generating series at (2 2)
0.326 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) 1.0)) in (x) around 0
0.326 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) 1.0)) in x
0.326 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.326 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.326 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of 1.0 in x
0.327 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) 1.0)) in x
0.327 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.327 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of 1.0 in x
0.341 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.341 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) 1.0)) in x
0.341 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.341 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.341 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.342 * [taylor]: Taking taylor expansion of 1.0 in x
0.344 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) 1.0)) in x
0.344 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.344 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.344 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of 1.0 in x
0.356 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.356 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) 1.0)) in x
0.356 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.356 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.356 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of 1.0 in x
0.358 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) 1.0)) in x
0.358 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.358 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.359 * [taylor]: Taking taylor expansion of 1.0 in x
0.376 * * * [progress]: simplifying candidates
0.378 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ 1/2 1/2)
  (+ 1/2 (/ 1 2))
  (+ 1 1)
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (* (+ (* x x) 1.0) (+ (* x x) 1.0))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))
  (* (+ (* x x) 1.0) (+ (* x x) 1.0))
  (+ 1 1)
  (+ (log (sqrt (+ (* x x) 1.0))) (log (sqrt (+ (* x x) 1.0))))
  (log (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))
  (exp (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))
  (* (* (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0))) (* (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0))))
  (* (cbrt (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))) (cbrt (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))))
  (cbrt (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))
  (* (* (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))
  (* (+ (* x x) 1.0) (+ (* x x) 1.0))
  (sqrt (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))
  (sqrt (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))
  (* (sqrt (+ (pow (* x x) 3) (pow 1.0 3))) (sqrt (+ (pow (* x x) 3) (pow 1.0 3))))
  (* (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))) (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))))
  (* (sqrt (+ (pow (* x x) 3) (pow 1.0 3))) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))) (sqrt (- (* x x) 1.0)))
  (* (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))) (sqrt (+ (pow (* x x) 3) (pow 1.0 3))))
  (* (sqrt (- (* x x) 1.0)) (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))))
  (* (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (sqrt (- (* x x) 1.0)) (sqrt (- (* x x) 1.0)))
  (* (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0)))) (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0)))))
  (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))) (sqrt (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))))
  (* (sqrt (cbrt (+ (* x x) 1.0))) (sqrt (cbrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* 1 1)
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (sqrt (+ (* x x) 1.0))))
  (* 2 1/2)
  (* 2 1)
  (* 2 (/ 1 2))
  (* (sqrt (+ (* x x) 1.0)) (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0)))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt 1))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (sqrt (+ (* x x) 1.0))))
  (* (sqrt (+ (* x x) 1.0)) 1)
  (* (cbrt (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (cbrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (pow (* x x) 3) (pow 1.0 3))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (sqrt (+ (pow (* x x) 3) (pow 1.0 3))) (sqrt (+ (* x x) 1.0)))
  (* (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))) (sqrt (+ (* x x) 1.0)))
  (* (exp (* x x)) (exp 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (* (* (+ (* x x) 1.0) (+ (* x x) 1.0)) (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (- (* x x) 1.0)
  (* (exp (* x x)) (exp 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (* (* (+ (* x x) 1.0) (+ (* x x) 1.0)) (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (- (* x x) 1.0)
  (log (sqrt (+ (* x x) 1.0)))
  (exp (sqrt (+ (* x x) 1.0)))
  (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0))))
  (cbrt (sqrt (+ (* x x) 1.0)))
  (* (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (sqrt (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0))))
  (sqrt (cbrt (+ (* x x) 1.0)))
  (sqrt (sqrt (+ (* x x) 1.0)))
  (sqrt (sqrt (+ (* x x) 1.0)))
  (sqrt 1)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (pow (* x x) 3) (pow 1.0 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0))))
  (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (sqrt (- (* x x) 1.0))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) 1.0)))
  (sqrt (sqrt (+ (* x x) 1.0)))
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (- (+ (sqrt 1.0) (* 1/2 (/ (pow x 2) (sqrt 1.0)))) (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))))
  (- (+ x (* 0.5 (/ 1 x))) (* 0.125 (/ 1 (pow x 3))))
  (- (* 0.125 (/ 1 (pow x 3))) (+ x (* 0.5 (/ 1 x))))
0.383 * * [simplify]: iteration  0 :  232  enodes  (cost  559 )
0.389 * * [simplify]: iteration  1 :  1000  enodes  (cost  507 )
0.414 * * [simplify]: iteration  2 :  5002  enodes  (cost  491 )
0.417 * [simplify]: Simplified to:
   1
  1
  2
  1
  1
  (pow (sqrt (+ (* x x) 1.0)) 4)
  (+ (* x x) 1.0)
  (pow (sqrt (+ (* x x) 1.0)) 4)
  2
  (log (+ (* x x) 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (pow (+ (* x x) 1.0) 3)
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (pow (+ (* x x) 1.0) 3)
  (pow (sqrt (+ (* x x) 1.0)) 4)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (- (* 1.0 1.0) (- (* (* x x) 1.0) (pow x 4)))
  (* (sqrt (+ (pow (* x x) 3) (pow 1.0 3))) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))) (sqrt (- (* x x) 1.0)))
  (* (sqrt (+ (pow (* x x) 3) (pow 1.0 3))) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0)))) (sqrt (- (* x x) 1.0)))
  (+ (- (* 1.0 1.0)) (pow x 4))
  (- (* x x) 1.0)
  (pow (cbrt (sqrt (+ (* x x) 1.0))) 4)
  (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0))))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  1
  (+ (* x x) 1.0)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  1
  (+ (* x x) 1.0)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  1
  2
  1
  (* (pow (cbrt (sqrt (+ (* x x) 1.0))) 4) (cbrt (sqrt (+ (* x x) 1.0))))
  (* (fabs (cbrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (pow (sqrt (sqrt (+ (* x x) 1.0))) 3)
  (sqrt (+ (* x x) 1.0))
  (pow (sqrt (sqrt (+ (* x x) 1.0))) 3)
  (sqrt (+ (* x x) 1.0))
  (pow (cbrt (sqrt (+ (* x x) 1.0))) 4)
  (* (sqrt (cbrt (+ (* x x) 1.0))) (sqrt (+ (* x x) 1.0)))
  (pow (sqrt (sqrt (+ (* x x) 1.0))) 3)
  (+ (* x x) 1.0)
  (pow (sqrt (sqrt (+ (* x x) 1.0))) 3)
  (+ (* x x) 1.0)
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (pow (* x x) 3) (pow 1.0 3))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (pow (* x x) 3) (pow 1.0 3))))
  (* (sqrt (+ (* x x) 1.0)) (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0))))
  (exp (+ (* x x) 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (pow (+ (* x x) 1.0) 3)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (- (* 1.0 1.0) (- (* (* x x) 1.0) (pow x 4)))
  (+ (- (* 1.0 1.0)) (pow x 4))
  (- (* x x) 1.0)
  (exp (+ (* x x) 1.0))
  (log (+ (* x x) 1.0))
  (exp (+ (* x x) 1.0))
  (* (cbrt (+ (* x x) 1.0)) (cbrt (+ (* x x) 1.0)))
  (cbrt (+ (* x x) 1.0))
  (pow (+ (* x x) 1.0) 3)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow (* x x) 3) (pow 1.0 3))
  (- (* 1.0 1.0) (- (* (* x x) 1.0) (pow x 4)))
  (+ (- (* 1.0 1.0)) (pow x 4))
  (- (* x x) 1.0)
  (log (sqrt (+ (* x x) 1.0)))
  (exp (sqrt (+ (* x x) 1.0)))
  (* (cbrt (sqrt (+ (* x x) 1.0))) (cbrt (sqrt (+ (* x x) 1.0))))
  (cbrt (sqrt (+ (* x x) 1.0)))
  (pow (sqrt (+ (* x x) 1.0)) 3)
  (fabs (cbrt (+ (* x x) 1.0)))
  (sqrt (cbrt (+ (* x x) 1.0)))
  (sqrt (sqrt (+ (* x x) 1.0)))
  (sqrt (sqrt (+ (* x x) 1.0)))
  1
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (pow (* x x) 3) (pow 1.0 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* 1.0 1.0) (* (* x x) 1.0))))
  (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (sqrt (- (* x x) 1.0))
  1/2
  (sqrt (sqrt (+ (* x x) 1.0)))
  (sqrt (sqrt (+ (* x x) 1.0)))
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (- (+ (sqrt 1.0) (* 1/2 (/ (pow x 2) (sqrt 1.0)))) (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))))
  (+ x (* (/ 1 x) (- 0.5 (/ 0.125 (pow x 2)))))
  (- (* (/ 1 x) (- (/ 0.125 (pow x 2)) 0.5)) x)
0.418 * * * [progress]: adding candidates to table
0.583 * [progress]: [Phase 3 of 3] Extracting.
0.583 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.583 * * * [regime-changes]: Trying 3 branch expressions: ((* x x) (+ (* x x) 1.0) x)
0.583 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.592 * * * * [regimes]: Trying to branch on (+ (* x x) 1.0) from (#<alt (λ (x) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.605 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* (sqrt (+ (* x x) 1.0)) (sqrt (+ (* x x) 1.0))))> #<alt (λ (x) (+ (* x x) 1.0))>)
0.615 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.615 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) 1.0)
0.616 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.616 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.616 * [simplify]: Simplified to:
   (+ (* x x) 1.0)
0.912 * [regime-testing]: Baseline error score: 0.0005000625078134767
0.913 * [regime-testing]: Oracle error score: 0.00025003125390673836
0.914 * [regime-testing]: End program error score: 0.0005000625078134767