7.396 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) 1.0)
0.023 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.025 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.025 * [simplify]: Simplified to:
   (+ (* x x) 1.0)
0.025 * * [progress]: iteration 1 / 4
0.025 * * * [progress]: picking best candidate
0.027 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) 1.0))>
0.027 * * * [progress]: localizing error
0.030 * * * [progress]: generating rewritten candidates
0.030 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.033 * * * [progress]: generating series expansions
0.033 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.033 * [approximate]: Taking taylor expansion of (+ (pow x 2) 1.0) in (x) around 0
0.034 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (+ (pow x 2) 1.0) in x
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [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
0.041 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.041 * [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
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.055 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) 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
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.070 * * * [progress]: simplifying candidates
0.070 * [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)
0.073 * * [simplify]: iteration  0 :  81  enodes  (cost  57 )
0.076 * * [simplify]: iteration  1 :  284  enodes  (cost  50 )
0.081 * * [simplify]: iteration  2 :  688  enodes  (cost  50 )
0.099 * * [simplify]: iteration  3 :  2506  enodes  (cost  50 )
0.170 * * [simplify]: iteration  4 :  5001  enodes  (cost  50 )
0.171 * [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)
0.171 * * * [progress]: adding candidates to table
0.202 * * [progress]: iteration 2 / 4
0.202 * * * [progress]: picking best candidate
0.204 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))>
0.204 * * * [progress]: localizing error
0.213 * * * [progress]: generating rewritten candidates
0.213 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.237 * * * [progress]: generating series expansions
0.237 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.239 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in (x) around 0
0.239 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in x
0.239 * [taylor]: Taking taylor expansion of (- (pow x 4) 1.0) in x
0.239 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of 1.0 in x
0.239 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.239 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of 1.0 in x
0.241 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) 1.0) (- (pow x 2) 1.0)) in x
0.242 * [taylor]: Taking taylor expansion of (- (pow x 4) 1.0) in x
0.242 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of 1.0 in x
0.242 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.242 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of 1.0 in x
0.278 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.278 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.278 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.278 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.279 * [taylor]: Taking taylor expansion of 1.0 in x
0.279 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.279 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.279 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of 1.0 in x
0.281 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.281 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of 1.0 in x
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.282 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of 1.0 in x
0.329 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.329 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.329 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.329 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.329 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of 1.0 in x
0.330 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.330 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.330 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of 1.0 in x
0.331 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) 1.0) (- (/ 1 (pow x 2)) 1.0)) in x
0.331 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) 1.0) in x
0.331 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.331 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of 1.0 in x
0.332 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.332 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of 1.0 in x
0.385 * * * [progress]: simplifying candidates
0.386 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (- (* 1.0 1.0)) (pow x 4))) (log (- (* x x) 1.0)))
  (log (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (exp (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (/ (* (* (+ (- (* 1.0 1.0)) (pow x 4)) (+ (- (* 1.0 1.0)) (pow x 4))) (+ (- (* 1.0 1.0)) (pow x 4))) (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0)))
  (* (cbrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))) (cbrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))))
  (cbrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (* (* (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (sqrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (sqrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (- (+ (- (* 1.0 1.0)) (pow x 4)))
  (- (- (* x x) 1.0))
  (/ 0 (- (* x x) 1.0))
  (/ (- (* 1.0 1.0) (pow x 4)) (- (* x x) 1.0))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) (sqrt (- (* x x) 1.0)))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) 1)
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) (+ x (sqrt 1.0)))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) 1)
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (+ x (sqrt 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (/ 1 1)
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (/ 1 1)
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (- (* x x) 1.0))
  (/ (- (* x x) 1.0) (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) 1)
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (/ (- (* x x) 1.0) (cbrt (+ (- (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (sqrt (+ (- (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (- (* x x) 1.0) (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (pow (* x x) 3) (pow 1.0 3)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (* (- (* x x) 1.0) (+ (* (- (* 1.0 1.0)) (- (* 1.0 1.0))) (- (* (pow x 4) (pow x 4)) (* (- (* 1.0 1.0)) (pow x 4)))))
  (* (- (* x x) 1.0) (- (- (* 1.0 1.0)) (pow x 4)))
  (+ (* 1.0 (pow x 2)) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.392 * * [simplify]: iteration  0 :  216  enodes  (cost  494 )
0.398 * * [simplify]: iteration  1 :  989  enodes  (cost  452 )
0.424 * * [simplify]: iteration  2 :  5002  enodes  (cost  444 )
0.427 * [simplify]: Simplified to:
   (log (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (log (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (exp (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (pow (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (* (cbrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))) (cbrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0))))
  (cbrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (pow (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)) 3)
  (sqrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (sqrt (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))
  (- (* 1.0 1.0) (pow x 4))
  (- (- (* x x) 1.0))
  0
  (/ (- (* 1.0 1.0) (pow x 4)) (- (* x x) 1.0))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) (sqrt (- (* x x) 1.0)))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4))))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (* (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (+ (- (* 1.0 1.0)) (pow x 4)))) (+ x (sqrt 1.0)))
  (/ (cbrt (+ (- (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (cbrt (- (* x x) 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (sqrt (- (* x x) 1.0)))
  (sqrt (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (+ x (sqrt 1.0)))
  (/ (sqrt (+ (- (* 1.0 1.0)) (pow x 4))) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  1
  (/ (+ (pow x 2) 1.0) 1)
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (cbrt (- (* x x) 1.0)))
  (/ 1 (sqrt (- (* x x) 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  1
  (/ (+ (pow x 2) 1.0) 1)
  (/ 1 (+ x (sqrt 1.0)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- x (sqrt 1.0)))
  (/ 1 (- (* x x) 1.0))
  (/ (- (* x x) 1.0) (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (sqrt (- (* x x) 1.0)))
  (+ (- (* 1.0 1.0)) (pow x 4))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (+ x (sqrt 1.0)))
  (/ (- (* x x) 1.0) (cbrt (+ (- (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (sqrt (+ (- (* 1.0 1.0)) (pow x 4))))
  (/ (- (* x x) 1.0) (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (- (* x x) 1.0) (+ (- (* 1.0 1.0)) (pow x 4)))
  (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (pow (* x x) 3) (pow 1.0 3)))
  1
  (* (- (+ (* (* 1.0 1.0) (* 1.0 1.0)) (pow x 8)) (* (- (* 1.0 1.0)) (pow x 4))) (- (* x x) 1.0))
  (* (- (* x x) 1.0) (- (- (* 1.0 1.0)) (pow x 4)))
  (+ (* 1.0 (pow x 2)) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.427 * * * [progress]: adding candidates to table
0.538 * [progress]: [Phase 3 of 3] Extracting.
0.538 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x x) 1.0))> #<alt (λ (x) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))>)
0.538 * * * [regime-changes]: Trying 3 branch expressions: ((* x x) (+ (* x x) 1.0) x)
0.538 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (+ (* x x) 1.0))> #<alt (λ (x) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))>)
0.548 * * * * [regimes]: Trying to branch on (+ (* x x) 1.0) from (#<alt (λ (x) (+ (* x x) 1.0))> #<alt (λ (x) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))>)
0.558 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x x) 1.0))> #<alt (λ (x) (/ (+ (- (* 1.0 1.0)) (pow x 4)) (- (* x x) 1.0)))>)
0.568 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.568 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) 1.0)
0.569 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.570 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.570 * [simplify]: Simplified to:
   (+ (* x x) 1.0)
1.104 * [regime-testing]: Baseline error score: 0.0007500937617202151
1.105 * [regime-testing]: Oracle error score: 0.00037504688086010754
1.106 * [regime-testing]: End program error score: 0.0007500937617202151