45.527 * [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-egg> :
   (+ x (* x x))
0.016 * * [simplify]: iteration  0 :  18  enodes  (cost  5 )
0.016 * * [simplify]: iteration  1 :  18  enodes  (cost  5 )
0.016 * [simplify]: Simplified to:
   (+ x (* x x))
0.016 * * [progress]: iteration 1 / 4
0.016 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x) (+ x (* x x)))>
0.018 * * * [progress]: localizing error
0.020 * * * [progress]: generating rewritten candidates
0.020 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.023 * * * [progress]: generating series expansions
0.023 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.024 * [approximate]: Taking taylor expansion of (+ (pow x 2) x) in (x) around 0
0.024 * [taylor]: Taking taylor expansion of (+ (pow x 2) x) in x
0.024 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (+ (pow x 2) x) in x
0.024 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in (x) around 0
0.024 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.024 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.024 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.024 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.025 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.025 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.026 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in (x) around 0
0.026 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in x
0.026 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.026 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in x
0.026 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.026 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.028 * * * [progress]: simplifying candidates
0.028 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp x) (exp (* x x)))
  (log (+ x (* x x)))
  (exp (+ x (* x x)))
  (* (cbrt (+ x (* x x))) (cbrt (+ x (* x x))))
  (cbrt (+ x (* x x)))
  (* (* (+ x (* x x)) (+ x (* x x))) (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (+ (pow x 3) (pow (* x x) 3))
  (+ (* x x) (- (* (* x x) (* x x)) (* x (* x x))))
  (- (* x x) (* (* x x) (* x x)))
  (- x (* x x))
  (+ 1 x)
  (+ x 1)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
0.091 * * [simplify]: iteration  0 :  4908  enodes  (cost  107 )
0.091 * * [simplify]: iteration  1 :  4908  enodes  (cost  107 )
0.092 * [simplify]: Simplified to:
   (pow (exp x) (+ x 1))
  (log (+ x (* x x)))
  (pow (exp x) (+ x 1))
  (* (cbrt (+ x (* x x))) (cbrt (+ x (* x x))))
  (cbrt (+ x (* x x)))
  (pow (+ x (* x x)) 3)
  (sqrt (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (+ (pow x 3) (pow x 6))
  (+ (* x x) (- (pow x 4) (pow x 3)))
  (- (* x x) (pow x 4))
  (- x (* x x))
  (+ x 1)
  (+ x 1)
  (+ x (* x x))
  (+ x (* x x))
  (+ x (* x x))
0.092 * * * [progress]: adding candidates to table
0.109 * * [progress]: iteration 2 / 4
0.109 * * * [progress]: picking best candidate
0.114 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (* x x) (pow x 4)) (- x (* x x))))>
0.114 * * * [progress]: localizing error
0.121 * * * [progress]: generating rewritten candidates
0.121 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.130 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.138 * * * [progress]: generating series expansions
0.138 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.138 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (pow x 4)) (- x (pow x 2))) in (x) around 0
0.138 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (pow x 4)) (- x (pow x 2))) in x
0.138 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow x 4)) 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 (pow x 4) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (- x (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (pow x 4)) (- x (pow x 2))) in x
0.139 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow x 4)) in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (- x (pow x 2)) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.141 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (- (/ 1 x) (/ 1 (pow x 2)))) in (x) around 0
0.141 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (- (/ 1 x) (/ 1 (pow x 2)))) in x
0.141 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.141 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow x 2))) in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (- (/ 1 x) (/ 1 (pow x 2)))) in x
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.142 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.142 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow x 2))) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.142 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.146 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) (/ 1 x)))) in (x) around 0
0.146 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) (/ 1 x)))) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) (/ 1 x))) in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) (/ 1 x)))) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) (+ (/ 1 (pow x 2)) (/ 1 x))) in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.150 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.150 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow x 4)) in (x) around 0
0.150 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow x 4)) in x
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow x 4)) in x
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.152 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in (x) around 0
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.152 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.155 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in (x) around 0
0.155 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow x 4))) in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.155 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.157 * * * [progress]: simplifying candidates
0.158 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- (* x x) (pow x 4))) (log (- x (* x x))))
  (log (/ (- (* x x) (pow x 4)) (- x (* x x))))
  (exp (/ (- (* x x) (pow x 4)) (- x (* x x))))
  (/ (* (* (- (* x x) (pow x 4)) (- (* x x) (pow x 4))) (- (* x x) (pow x 4))) (* (* (- x (* x x)) (- x (* x x))) (- x (* x x))))
  (* (cbrt (/ (- (* x x) (pow x 4)) (- x (* x x)))) (cbrt (/ (- (* x x) (pow x 4)) (- x (* x x)))))
  (cbrt (/ (- (* x x) (pow x 4)) (- x (* x x))))
  (* (* (/ (- (* x x) (pow x 4)) (- x (* x x))) (/ (- (* x x) (pow x 4)) (- x (* x x)))) (/ (- (* x x) (pow x 4)) (- x (* x x))))
  (sqrt (/ (- (* x x) (pow x 4)) (- x (* x x))))
  (sqrt (/ (- (* x x) (pow x 4)) (- x (* x x))))
  (neg (- (* x x) (pow x 4)))
  (neg (- x (* x x)))
  (/ (* x x) (- x (* x x)))
  (/ (pow x 4) (- x (* x x)))
  (/ (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4)))) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (cbrt (- (* x x) (pow x 4))) (cbrt (- x (* x x))))
  (/ (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4)))) (sqrt (- x (* x x))))
  (/ (cbrt (- (* x x) (pow x 4))) (sqrt (- x (* x x))))
  (/ (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4)))) 1)
  (/ (cbrt (- (* x x) (pow x 4))) (- x (* x x)))
  (/ (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4)))) (+ (sqrt x) x))
  (/ (cbrt (- (* x x) (pow x 4))) (- (sqrt x) x))
  (/ (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4)))) x)
  (/ (cbrt (- (* x x) (pow x 4))) (- 1 x))
  (/ (sqrt (- (* x x) (pow x 4))) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (sqrt (- (* x x) (pow x 4))) (cbrt (- x (* x x))))
  (/ (sqrt (- (* x x) (pow x 4))) (sqrt (- x (* x x))))
  (/ (sqrt (- (* x x) (pow x 4))) (sqrt (- x (* x x))))
  (/ (sqrt (- (* x x) (pow x 4))) 1)
  (/ (sqrt (- (* x x) (pow x 4))) (- x (* x x)))
  (/ (sqrt (- (* x x) (pow x 4))) (+ (sqrt x) x))
  (/ (sqrt (- (* x x) (pow x 4))) (- (sqrt x) x))
  (/ (sqrt (- (* x x) (pow x 4))) x)
  (/ (sqrt (- (* x x) (pow x 4))) (- 1 x))
  (/ 1 (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (- (* x x) (pow x 4)) (cbrt (- x (* x x))))
  (/ 1 (sqrt (- x (* x x))))
  (/ (- (* x x) (pow x 4)) (sqrt (- x (* x x))))
  (/ 1 1)
  (/ (- (* x x) (pow x 4)) (- x (* x x)))
  (/ 1 (+ (sqrt x) x))
  (/ (- (* x x) (pow x 4)) (- (sqrt x) x))
  (/ 1 x)
  (/ (- (* x x) (pow x 4)) (- 1 x))
  (/ (+ x (pow (sqrt x) 4)) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (- x (pow (sqrt x) 4)) (cbrt (- x (* x x))))
  (/ (+ x (pow (sqrt x) 4)) (sqrt (- x (* x x))))
  (/ (- x (pow (sqrt x) 4)) (sqrt (- x (* x x))))
  (/ (+ x (pow (sqrt x) 4)) 1)
  (/ (- x (pow (sqrt x) 4)) (- x (* x x)))
  (/ (+ x (pow (sqrt x) 4)) (+ (sqrt x) x))
  (/ (- x (pow (sqrt x) 4)) (- (sqrt x) x))
  (/ (+ x (pow (sqrt x) 4)) x)
  (/ (- x (pow (sqrt x) 4)) (- 1 x))
  (/ (+ x (sqrt (pow x 4))) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (- x (sqrt (pow x 4))) (cbrt (- x (* x x))))
  (/ (+ x (sqrt (pow x 4))) (sqrt (- x (* x x))))
  (/ (- x (sqrt (pow x 4))) (sqrt (- x (* x x))))
  (/ (+ x (sqrt (pow x 4))) 1)
  (/ (- x (sqrt (pow x 4))) (- x (* x x)))
  (/ (+ x (sqrt (pow x 4))) (+ (sqrt x) x))
  (/ (- x (sqrt (pow x 4))) (- (sqrt x) x))
  (/ (+ x (sqrt (pow x 4))) x)
  (/ (- x (sqrt (pow x 4))) (- 1 x))
  (/ (+ x (pow x (/ 4 2))) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (- x (pow x (/ 4 2))) (cbrt (- x (* x x))))
  (/ (+ x (pow x (/ 4 2))) (sqrt (- x (* x x))))
  (/ (- x (pow x (/ 4 2))) (sqrt (- x (* x x))))
  (/ (+ x (pow x (/ 4 2))) 1)
  (/ (- x (pow x (/ 4 2))) (- x (* x x)))
  (/ (+ x (pow x (/ 4 2))) (+ (sqrt x) x))
  (/ (- x (pow x (/ 4 2))) (- (sqrt x) x))
  (/ (+ x (pow x (/ 4 2))) x)
  (/ (- x (pow x (/ 4 2))) (- 1 x))
  (/ 1 (- x (* x x)))
  (/ (- x (* x x)) (- (* x x) (pow x 4)))
  (/ (- (* x x) (pow x 4)) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (- (* x x) (pow x 4)) (sqrt (- x (* x x))))
  (/ (- (* x x) (pow x 4)) 1)
  (/ (- (* x x) (pow x 4)) (+ (sqrt x) x))
  (/ (- (* x x) (pow x 4)) x)
  (/ (- x (* x x)) (cbrt (- (* x x) (pow x 4))))
  (/ (- x (* x x)) (sqrt (- (* x x) (pow x 4))))
  (/ (- x (* x x)) (- (* x x) (pow x 4)))
  (/ (- x (* x x)) (- x (pow (sqrt x) 4)))
  (/ (- x (* x x)) (- x (sqrt (pow x 4))))
  (/ (- x (* x x)) (- x (pow x (/ 4 2))))
  (/ (- (* x x) (pow x 4)) (- (pow x 3) (pow (* x x) 3)))
  (/ (- (* x x) (pow x 4)) (- (* x x) (* (* x x) (* x x))))
  (* (- x (* x x)) (+ (* (* x x) (* x x)) (+ (* (pow x 4) (pow x 4)) (* (* x x) (pow x 4)))))
  (* (- x (* x x)) (+ (* x x) (pow x 4)))
  (/ (exp (* x x)) (exp (pow x 4)))
  (log (- (* x x) (pow x 4)))
  (exp (- (* x x) (pow x 4)))
  (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4))))
  (cbrt (- (* x x) (pow x 4)))
  (* (* (- (* x x) (pow x 4)) (- (* x x) (pow x 4))) (- (* x x) (pow x 4)))
  (sqrt (- (* x x) (pow x 4)))
  (sqrt (- (* x x) (pow x 4)))
  (- (pow (* x x) 3) (pow (pow x 4) 3))
  (+ (* (* x x) (* x x)) (+ (* (pow x 4) (pow x 4)) (* (* x x) (pow x 4))))
  (neg (pow x 4))
  (- (* (* x x) (* x x)) (* (pow x 4) (pow x 4)))
  (+ (* x x) (pow x 4))
  (+ x (pow (sqrt x) 4))
  (- x (pow (sqrt x) 4))
  (+ x (sqrt (pow x 4)))
  (- x (sqrt (pow x 4)))
  (+ x (pow x (/ 4 2)))
  (- x (pow x (/ 4 2)))
  (neg (pow x 4))
  (+ (pow x 2) x)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
  (- (pow x 2) (pow x 4))
  (- (pow x 2) (pow x 4))
  (- (pow x 2) (pow x 4))
0.199 * * [simplify]: iteration  0 :  4939  enodes  (cost  1158 )
0.200 * * [simplify]: iteration  1 :  4939  enodes  (cost  1158 )
0.204 * [simplify]: Simplified to:
   (log (+ x (* x x)))
  (log (+ x (* x x)))
  (pow (exp x) (+ x 1))
  (pow (+ x (* x x)) 3)
  (* (cbrt (+ x (* x x))) (cbrt (+ x (* x x))))
  (cbrt (+ x (* x x)))
  (pow (+ x (* x x)) 3)
  (sqrt (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (- (pow x 4) (* x x))
  (- (* x x) x)
  (/ x (- 1 (* 1 x)))
  (/ (pow x 4) (- x (* x x)))
  (* (/ (cbrt (- (* x x) (pow x 4))) (cbrt (- x (* x x)))) (/ (cbrt (- (* x x) (pow x 4))) (cbrt (- x (* x x)))))
  (/ (cbrt (- (* x x) (pow x 4))) (cbrt (- x (* x x))))
  (* (/ (cbrt (- (* x x) (pow x 4))) (sqrt (- x (* x x)))) (cbrt (- (* x x) (pow x 4))))
  (/ (cbrt (- (* x x) (pow x 4))) (sqrt (- x (* x x))))
  (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4))))
  (/ (cbrt (- (* x x) (pow x 4))) (- x (* x x)))
  (* (/ (cbrt (- (* x x) (pow x 4))) (+ x (sqrt x))) (cbrt (- (* x x) (pow x 4))))
  (/ (cbrt (- (* x x) (pow x 4))) (- (sqrt x) x))
  (* (/ (cbrt (- (* x x) (pow x 4))) x) (cbrt (- (* x x) (pow x 4))))
  (/ (cbrt (- (* x x) (pow x 4))) (- 1 x))
  (/ (sqrt (- (* x x) (pow x 4))) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (sqrt (- (* x x) (pow x 4))) (cbrt (- x (* x x))))
  (/ (sqrt (- (* x x) (pow x 4))) (sqrt (- x (* x x))))
  (/ (sqrt (- (* x x) (pow x 4))) (sqrt (- x (* x x))))
  (sqrt (- (* x x) (pow x 4)))
  (/ (sqrt (- (* x x) (pow x 4))) (- x (* x x)))
  (/ (sqrt (- (* x x) (pow x 4))) (+ x (sqrt x)))
  (/ (sqrt (- (* x x) (pow x 4))) (- (sqrt x) x))
  (/ (sqrt (- (* x x) (pow x 4))) x)
  (/ (sqrt (- (* x x) (pow x 4))) (- 1 x))
  (/ 1 (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ x (/ (cbrt (- x (* x x))) (- x (pow x 3))))
  (/ 1 (sqrt (- x (* x x))))
  (/ x (/ (sqrt (- x (* x x))) (- x (pow x 3))))
  1
  (+ x (* x x))
  (/ 1 (+ x (sqrt x)))
  (/ x (/ (- (sqrt x) x) (- x (pow x 3))))
  (/ 1 x)
  (/ x (/ (- 1 x) (- x (pow x 3))))
  (* (/ (+ x 1) (cbrt (- x (* x x)))) (/ x (cbrt (- x (* x x)))))
  (/ (- x (* x x)) (cbrt (- x (* x x))))
  (/ (+ x (* x x)) (sqrt (- x (* x x))))
  (/ (- x (* x x)) (sqrt (- x (* x x))))
  (+ x (* x x))
  1
  (/ (+ x (* x x)) (+ x (sqrt x)))
  (/ (- x (* x x)) (- (sqrt x) x))
  (/ (+ x 1) 1)
  (/ (- x (* x x)) (- 1 x))
  (/ (+ x (sqrt (pow x 4))) (* (cbrt (- x (* x x))) (cbrt (- x (* x x)))))
  (/ (- x (sqrt (pow x 4))) (cbrt (- x (* x x))))
  (/ (+ x (sqrt (pow x 4))) (sqrt (- x (* x x))))
  (/ (- x (sqrt (pow x 4))) (sqrt (- x (* x x))))
  (+ x (sqrt (pow x 4)))
  (/ (- x (sqrt (pow x 4))) (- x (* x x)))
  (/ (+ x (sqrt (pow x 4))) (+ x (sqrt x)))
  (/ (- x (sqrt (pow x 4))) (- (sqrt x) x))
  (/ (+ x (sqrt (pow x 4))) x)
  (/ (- x (sqrt (pow x 4))) (- 1 x))
  (* (/ (+ x 1) (cbrt (- x (* x x)))) (/ x (cbrt (- x (* x x)))))
  (/ (- x (* x x)) (cbrt (- x (* x x))))
  (/ (+ x (* x x)) (sqrt (- x (* x x))))
  (/ (- x (* x x)) (sqrt (- x (* x x))))
  (+ x (* x x))
  1
  (/ (+ x (* x x)) (+ x (sqrt x)))
  (/ (- x (* x x)) (- (sqrt x) x))
  (/ (+ x 1) 1)
  (/ (- x (* x x)) (- 1 x))
  (/ 1 (- x (* x x)))
  (/ 1 (+ x (* x x)))
  (* (/ x (cbrt (- x (* x x)))) (/ (- x (pow x 3)) (cbrt (- x (* x x)))))
  (/ x (/ (sqrt (- x (* x x))) (- x (pow x 3))))
  (- (* x x) (pow x 4))
  (/ x (/ (+ x (sqrt x)) (- x (pow x 3))))
  (- (* 1 x) (pow x 3))
  (/ (- x (* x x)) (cbrt (- (* x x) (pow x 4))))
  (/ (- x (* x x)) (sqrt (- (* x x) (pow x 4))))
  (/ 1 (+ x (* x x)))
  1
  (/ (- x (* x x)) (- x (sqrt (pow x 4))))
  1
  (* 1 (/ (- x (pow x 3)) (- (* x x) (pow x 5))))
  1
  (* (- x (* x x)) (+ (pow x 4) (+ (pow x 6) (pow x 8))))
  (* x (* (+ x (pow x 3)) (- x (* x x))))
  (pow (exp x) (- x (pow x 3)))
  (log (- (* x x) (pow x 4)))
  (pow (exp x) (- x (pow x 3)))
  (* (cbrt (- (* x x) (pow x 4))) (cbrt (- (* x x) (pow x 4))))
  (cbrt (- (* x x) (pow x 4)))
  (pow (- (* x x) (pow x 4)) 3)
  (sqrt (- (* x x) (pow x 4)))
  (sqrt (- (* x x) (pow x 4)))
  (- (pow x 6) (pow x 12))
  (+ (pow x 4) (+ (pow x 6) (pow x 8)))
  (neg (pow x 4))
  (- (pow x 4) (pow x 8))
  (+ (* x x) (pow x 4))
  (+ x (* x x))
  (- x (* x x))
  (+ x (sqrt (pow x 4)))
  (- x (sqrt (pow x 4)))
  (+ x (* x x))
  (- x (* x x))
  (neg (pow x 4))
  (+ x (* x x))
  (+ x (* x x))
  (+ x (* x x))
  (- (* x x) (pow x 4))
  (- (* x x) (pow x 4))
  (- (* x x) (pow x 4))
0.205 * * * [progress]: adding candidates to table
0.304 * [progress]: [Phase 3 of 3] Extracting.
0.305 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (- (* x x) (pow x 4)) (- x (* x x))))> #<alt (λ (x) (+ x (* x x)))>)
0.305 * * * [regime-changes]: Trying 2 branch expressions: ((+ x (* x x)) x)
0.305 * * * * [regimes]: Trying to branch on (+ x (* x x)) from (#<alt (λ (x) (/ (- (* x x) (pow x 4)) (- x (* x x))))> #<alt (λ (x) (+ x (* x x)))>)
0.329 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (- (* x x) (pow x 4)) (- x (* x x))))> #<alt (λ (x) (+ x (* x x)))>)
0.353 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.354 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (* x x))
0.354 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.354 * * [simplify]: iteration  1 :  4  enodes  (cost  5 )
0.354 * [simplify]: Simplified to:
   (+ x (* x x))
0.862 * [regime-testing]: End program error score: 0.010416543079745889