6.707 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* (* x x) 2.0) 1.0)
0.022 * * [simplify]: iteration  0 :  11  enodes  (cost  3 )
0.023 * * [simplify]: iteration  1 :  15  enodes  (cost  3 )
0.024 * * [simplify]: iteration  2 :  15  enodes  (cost  3 )
0.024 * [simplify]: Simplified to:
   (- (* (* x x) 2.0) 1.0)
0.025 * * [progress]: iteration 1 / 4
0.025 * * * [progress]: picking best candidate
0.026 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.026 * * * [progress]: localizing error
0.030 * * * [progress]: generating rewritten candidates
0.030 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.037 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.046 * * * [progress]: generating series expansions
0.046 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.046 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.046 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.046 * [taylor]: Taking taylor expansion of 2.0 in x
0.046 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.046 * [taylor]: Taking taylor expansion of 2.0 in x
0.046 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.054 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.054 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.054 * [taylor]: Taking taylor expansion of 2.0 in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.055 * [taylor]: Taking taylor expansion of 2.0 in x
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.062 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.062 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.062 * [taylor]: Taking taylor expansion of 2.0 in x
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.062 * [taylor]: Taking taylor expansion of 2.0 in x
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.072 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.073 * [approximate]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in (x) around 0
0.073 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x
0.073 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.073 * [taylor]: Taking taylor expansion of 2.0 in x
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.073 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x
0.073 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.073 * [taylor]: Taking taylor expansion of 2.0 in x
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0
0.085 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.085 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.085 * [taylor]: Taking taylor expansion of 2.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of 1.0 in x
0.086 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.086 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.086 * [taylor]: Taking taylor expansion of 2.0 in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of 1.0 in x
0.105 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0
0.105 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.105 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.105 * [taylor]: Taking taylor expansion of 2.0 in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.105 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of 1.0 in x
0.106 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.106 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.106 * [taylor]: Taking taylor expansion of 2.0 in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.106 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.126 * * * [progress]: simplifying candidates
0.126 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* x x) 2.0)
  (* (* x x) 2.0)
  (+ (+ (log x) (log x)) (log 2.0))
  (+ (log (* x x)) (log 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* (* x x) 1)
  (* x 2.0)
  (/ (exp (* (* x x) 2.0)) (exp 1.0))
  (log (- (* (* x x) 2.0) 1.0))
  (exp (- (* (* x x) 2.0) 1.0))
  (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0)))
  (cbrt (- (* (* x x) 2.0) 1.0))
  (* (* (- (* (* x x) 2.0) 1.0) (- (* (* x x) 2.0) 1.0)) (- (* (* x x) 2.0) 1.0))
  (sqrt (- (* (* x x) 2.0) 1.0))
  (sqrt (- (* (* x x) 2.0) 1.0))
  (- (pow (* (* x x) 2.0) 3) (pow 1.0 3))
  (+ (* (* (* x x) 2.0) (* (* x x) 2.0)) (+ (* 1.0 1.0) (* (* (* x x) 2.0) 1.0)))
  (- 1.0)
  (- (* (* (* x x) 2.0) (* (* x x) 2.0)) (* 1.0 1.0))
  (+ (* (* x x) 2.0) 1.0)
  (- 1.0)
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (- (* 2.0 (pow x 2)) 1.0)
  (- (* 2.0 (pow x 2)) 1.0)
  (- (* 2.0 (pow x 2)) 1.0)
0.130 * * [simplify]: iteration  0 :  148  enodes  (cost  151 )
0.133 * * [simplify]: iteration  1 :  571  enodes  (cost  133 )
0.144 * * [simplify]: iteration  2 :  2337  enodes  (cost  131 )
0.193 * * [simplify]: iteration  3 :  5002  enodes  (cost  131 )
0.194 * [simplify]: Simplified to:
   (* (* x x) 2.0)
  (* (* x x) 2.0)
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (pow (* (* x x) 2.0) 3)
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (pow x 2)
  (* x 2.0)
  (exp (- (* (* x x) 2.0) 1.0))
  (log (- (* (* x x) 2.0) 1.0))
  (exp (- (* (* x x) 2.0) 1.0))
  (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0)))
  (cbrt (- (* (* x x) 2.0) 1.0))
  (pow (- (* 2.0 (pow x 2)) 1.0) 3)
  (sqrt (- (* (* x x) 2.0) 1.0))
  (sqrt (- (* (* x x) 2.0) 1.0))
  (- (pow (* (* x x) 2.0) 3) (pow 1.0 3))
  (+ (* (* (* x x) 2.0) (+ (* (* x x) 2.0) 1.0)) (* 1.0 1.0))
  (- 1.0)
  (+ (- (* 1.0 1.0)) (* (* (pow x 4) 2.0) 2.0))
  (+ (* (* x x) 2.0) 1.0)
  (- 1.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (- (* 2.0 (pow x 2)) 1.0)
  (- (* 2.0 (pow x 2)) 1.0)
  (- (* 2.0 (pow x 2)) 1.0)
0.194 * * * [progress]: adding candidates to table
0.244 * * [progress]: iteration 2 / 4
0.244 * * * [progress]: picking best candidate
0.245 * * * * [pick]: Picked  #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>
0.245 * * * [progress]: localizing error
0.251 * * * [progress]: generating rewritten candidates
0.252 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 2)
0.258 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1)
0.264 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1)
0.309 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2 1)
0.322 * * * [progress]: generating series expansions
0.322 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 2)
0.322 * [approximate]: Taking taylor expansion of (* (sqrt 2.0) x) in (x) around 0
0.322 * [taylor]: Taking taylor expansion of (* (sqrt 2.0) x) in x
0.322 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.322 * [taylor]: Taking taylor expansion of 2.0 in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of (* (sqrt 2.0) x) in x
0.323 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.323 * [taylor]: Taking taylor expansion of 2.0 in x
0.324 * [taylor]: Taking taylor expansion of x in x
0.337 * [approximate]: Taking taylor expansion of (/ (sqrt 2.0) x) in (x) around 0
0.337 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.337 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.337 * [taylor]: Taking taylor expansion of 2.0 in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.339 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.339 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.339 * [taylor]: Taking taylor expansion of 2.0 in x
0.339 * [taylor]: Taking taylor expansion of x in x
0.347 * [approximate]: Taking taylor expansion of (/ (sqrt 2.0) x) in (x) around 0
0.347 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.347 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.347 * [taylor]: Taking taylor expansion of 2.0 in x
0.348 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.349 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.349 * [taylor]: Taking taylor expansion of 2.0 in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.358 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 1)
0.358 * [approximate]: Taking taylor expansion of (* (sqrt 2.0) x) in (x) around 0
0.358 * [taylor]: Taking taylor expansion of (* (sqrt 2.0) x) in x
0.358 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.358 * [taylor]: Taking taylor expansion of 2.0 in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.358 * [taylor]: Taking taylor expansion of (* (sqrt 2.0) x) in x
0.358 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.358 * [taylor]: Taking taylor expansion of 2.0 in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.370 * [approximate]: Taking taylor expansion of (/ (sqrt 2.0) x) in (x) around 0
0.370 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.370 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.370 * [taylor]: Taking taylor expansion of 2.0 in x
0.370 * [taylor]: Taking taylor expansion of x in x
0.371 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.371 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.371 * [taylor]: Taking taylor expansion of 2.0 in x
0.372 * [taylor]: Taking taylor expansion of x in x
0.380 * [approximate]: Taking taylor expansion of (/ (sqrt 2.0) x) in (x) around 0
0.380 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.380 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.380 * [taylor]: Taking taylor expansion of 2.0 in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of (/ (sqrt 2.0) x) in x
0.381 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.381 * [taylor]: Taking taylor expansion of 2.0 in x
0.382 * [taylor]: Taking taylor expansion of x in x
0.390 * * * * [progress]: [ 3 / 4 ] generating series at (2 1)
0.390 * [approximate]: Taking taylor expansion of (* (pow (sqrt 2.0) 2) (pow x 2)) in (x) around 0
0.390 * [taylor]: Taking taylor expansion of (* (pow (sqrt 2.0) 2) (pow x 2)) in x
0.390 * [taylor]: Taking taylor expansion of (pow (sqrt 2.0) 2) in x
0.390 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.390 * [taylor]: Taking taylor expansion of 2.0 in x
0.391 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.391 * [taylor]: Taking taylor expansion of (* (pow (sqrt 2.0) 2) (pow x 2)) in x
0.391 * [taylor]: Taking taylor expansion of (pow (sqrt 2.0) 2) in x
0.391 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.391 * [taylor]: Taking taylor expansion of 2.0 in x
0.391 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.413 * [approximate]: Taking taylor expansion of (/ (pow (sqrt 2.0) 2) (pow x 2)) in (x) around 0
0.413 * [taylor]: Taking taylor expansion of (/ (pow (sqrt 2.0) 2) (pow x 2)) in x
0.413 * [taylor]: Taking taylor expansion of (pow (sqrt 2.0) 2) in x
0.413 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.413 * [taylor]: Taking taylor expansion of 2.0 in x
0.414 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.414 * [taylor]: Taking taylor expansion of x in x
0.416 * [taylor]: Taking taylor expansion of (/ (pow (sqrt 2.0) 2) (pow x 2)) in x
0.416 * [taylor]: Taking taylor expansion of (pow (sqrt 2.0) 2) in x
0.416 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.416 * [taylor]: Taking taylor expansion of 2.0 in x
0.416 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.416 * [taylor]: Taking taylor expansion of x in x
0.435 * [approximate]: Taking taylor expansion of (/ (pow (sqrt 2.0) 2) (pow x 2)) in (x) around 0
0.435 * [taylor]: Taking taylor expansion of (/ (pow (sqrt 2.0) 2) (pow x 2)) in x
0.435 * [taylor]: Taking taylor expansion of (pow (sqrt 2.0) 2) in x
0.435 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.435 * [taylor]: Taking taylor expansion of 2.0 in x
0.436 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.436 * [taylor]: Taking taylor expansion of x in x
0.438 * [taylor]: Taking taylor expansion of (/ (pow (sqrt 2.0) 2) (pow x 2)) in x
0.438 * [taylor]: Taking taylor expansion of (pow (sqrt 2.0) 2) in x
0.438 * [taylor]: Taking taylor expansion of (sqrt 2.0) in x
0.438 * [taylor]: Taking taylor expansion of 2.0 in x
0.438 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.438 * [taylor]: Taking taylor expansion of x in x
0.457 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2 1)
0.457 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.457 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.457 * [taylor]: Taking taylor expansion of 2.0 in x
0.457 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.457 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.457 * [taylor]: Taking taylor expansion of 2.0 in x
0.457 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.465 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.465 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.465 * [taylor]: Taking taylor expansion of 2.0 in x
0.465 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.465 * [taylor]: Taking taylor expansion of x in x
0.466 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.466 * [taylor]: Taking taylor expansion of 2.0 in x
0.466 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.466 * [taylor]: Taking taylor expansion of x in x
0.473 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.473 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.473 * [taylor]: Taking taylor expansion of 2.0 in x
0.473 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.473 * [taylor]: Taking taylor expansion of x in x
0.474 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.474 * [taylor]: Taking taylor expansion of 2.0 in x
0.474 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.474 * [taylor]: Taking taylor expansion of x in x
0.484 * * * [progress]: simplifying candidates
0.485 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (* (* x x) 2.0)))
  (exp (sqrt (* (* x x) 2.0)))
  (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0))))
  (cbrt (sqrt (* (* x x) 2.0)))
  (* (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) (sqrt (* (* x x) 2.0)))
  (sqrt (* x x))
  (sqrt 2.0)
  (/ 1 2)
  (/ 1 2)
  (/ 1 2)
  (sqrt (sqrt (* (* x x) 2.0)))
  (sqrt (sqrt (* (* x x) 2.0)))
  (log (sqrt (* (* x x) 2.0)))
  (exp (sqrt (* (* x x) 2.0)))
  (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0))))
  (cbrt (sqrt (* (* x x) 2.0)))
  (* (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) (sqrt (* (* x x) 2.0)))
  (sqrt (* x x))
  (sqrt 2.0)
  (/ 1 2)
  (/ 1 2)
  (/ 1 2)
  (sqrt (sqrt (* (* x x) 2.0)))
  (sqrt (sqrt (* (* x x) 2.0)))
  (+ 1/2 1/2)
  (+ 1/2 (/ 1 2))
  (+ 1/2 (/ 1 2))
  (+ 1/2 (/ 1 2))
  (+ 1 1)
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) (/ 1 2))
  (+ (/ 1 2) (/ 1 2))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (+ 1 1)
  (+ (log (sqrt (* (* x x) 2.0))) (log (sqrt (* (* x x) 2.0))))
  (log (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))))
  (exp (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))))
  (* (* (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) (sqrt (* (* x x) 2.0))) (* (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) (sqrt (* (* x x) 2.0))))
  (* (cbrt (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)))) (cbrt (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)))))
  (cbrt (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))))
  (* (* (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)))) (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))))
  (* (* (* x x) 2.0) (* (* x x) 2.0))
  (sqrt (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))))
  (sqrt (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))))
  (* (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0)))) (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0)))))
  (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0))))
  (* (sqrt (* x x)) (sqrt (* x x)))
  (* (sqrt 2.0) (sqrt 2.0))
  (* (sqrt (sqrt (* (* x x) 2.0))) (sqrt (sqrt (* (* x x) 2.0))))
  (* (sqrt (sqrt (* (* x x) 2.0))) (sqrt (sqrt (* (* x x) 2.0))))
  (* 1 1)
  (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)))
  (* (sqrt (sqrt (* (* x x) 2.0))) (sqrt (sqrt (* (* x x) 2.0))))
  (* (sqrt (sqrt (* (* x x) 2.0))) (sqrt (sqrt (* (* x x) 2.0))))
  (* 2 1/2)
  (* 2 1)
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* 2 (/ 1 2))
  (* (sqrt (* (* x x) 2.0)) (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0)))))
  (* (sqrt (* (* x x) 2.0)) (sqrt (* x x)))
  (* (sqrt (* (* x x) 2.0)) (sqrt (sqrt (* (* x x) 2.0))))
  (* (sqrt (* (* x x) 2.0)) 1)
  (* (cbrt (sqrt (* (* x x) 2.0))) (sqrt (* (* x x) 2.0)))
  (* (sqrt 2.0) (sqrt (* (* x x) 2.0)))
  (* (sqrt (sqrt (* (* x x) 2.0))) (sqrt (* (* x x) 2.0)))
  (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)))
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (+ (+ (log x) (log x)) (log 2.0))
  (+ (log (* x x)) (log 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* (* x x) 1)
  (* x 2.0)
  (* (sqrt 2.0) x)
  (* (sqrt 2.0) x)
  (* -1 (* (sqrt 2.0) x))
  (* (sqrt 2.0) x)
  (* (sqrt 2.0) x)
  (* -1 (* (sqrt 2.0) x))
  (* (pow (sqrt 2.0) 2) (pow x 2))
  (* (pow (sqrt 2.0) 2) (pow x 2))
  (* (pow (sqrt 2.0) 2) (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
0.490 * * [simplify]: iteration  0 :  178  enodes  (cost  363 )
0.494 * * [simplify]: iteration  1 :  924  enodes  (cost  297 )
0.521 * * [simplify]: iteration  2 :  5001  enodes  (cost  286 )
0.523 * [simplify]: Simplified to:
   (log (sqrt (* (* x x) 2.0)))
  (exp (sqrt (* (* x x) 2.0)))
  (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0))))
  (cbrt (sqrt (* (* x x) 2.0)))
  (pow (sqrt (* (* x x) 2.0)) 3)
  (fabs x)
  (sqrt 2.0)
  1/2
  1/2
  1/2
  (sqrt (sqrt (* (* x x) 2.0)))
  (sqrt (sqrt (* (* x x) 2.0)))
  (log (sqrt (* (* x x) 2.0)))
  (exp (sqrt (* (* x x) 2.0)))
  (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0))))
  (cbrt (sqrt (* (* x x) 2.0)))
  (pow (sqrt (* (* x x) 2.0)) 3)
  (fabs x)
  (sqrt 2.0)
  1/2
  1/2
  1/2
  (sqrt (sqrt (* (* x x) 2.0)))
  (sqrt (sqrt (* (* x x) 2.0)))
  1
  1
  1
  1
  2
  1
  1
  1
  1
  1
  1
  1
  1
  1
  1
  1
  1
  (* (* (pow x 4) 2.0) 2.0)
  (* (* x x) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  (* (* (pow x 4) 2.0) 2.0)
  2
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (* (* (pow x 4) 2.0) 2.0)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (pow (cbrt (sqrt (* (* x x) 2.0))) 4)
  (* (cbrt (sqrt (* (* x x) 2.0))) (cbrt (sqrt (* (* x x) 2.0))))
  (pow x 2)
  2.0
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  1
  (* (* x x) 2.0)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  1
  2
  1
  1
  1
  1
  1
  1
  1
  1
  1
  (* (pow (cbrt (sqrt (* (* x x) 2.0))) 4) (cbrt (sqrt (* (* x x) 2.0))))
  (* (fabs x) (sqrt (* (* x x) 2.0)))
  (pow (sqrt (sqrt (* (* x x) 2.0))) 3)
  (sqrt (* (* x x) 2.0))
  (pow (cbrt (sqrt (* (* x x) 2.0))) 4)
  (* (sqrt 2.0) (sqrt (* (* x x) 2.0)))
  (pow (sqrt (sqrt (* (* x x) 2.0))) 3)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (pow (* (* x x) 2.0) 3)
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (pow x 2)
  (* x 2.0)
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* -1 (* (sqrt 2.0) x))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* -1 (* (sqrt 2.0) x))
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
0.524 * * * [progress]: adding candidates to table
0.658 * [progress]: [Phase 3 of 3] Extracting.
0.658 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (* (* x x) 2.0) 1.0))> #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>)
0.658 * * * [regime-changes]: Trying 4 branch expressions: ((* x x) (* (* x x) 2.0) (- (* (* x x) 2.0) 1.0) x)
0.658 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (- (* (* x x) 2.0) 1.0))> #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>)
0.667 * * * * [regimes]: Trying to branch on (* (* x x) 2.0) from (#<alt (λ (x) (- (* (* x x) 2.0) 1.0))> #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>)
0.676 * * * * [regimes]: Trying to branch on (- (* (* x x) 2.0) 1.0) from (#<alt (λ (x) (- (* (* x x) 2.0) 1.0))> #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>)
0.684 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (* (* x x) 2.0) 1.0))> #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>)
0.695 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.695 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* (* x x) 2.0) 1.0)
0.696 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.696 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.696 * [simplify]: Simplified to:
   (- (* (* x x) 2.0) 1.0)
1.251 * [regime-testing]: Baseline error score: 0.0021899824213193913
1.252 * [regime-testing]: Oracle error score: 0.001939951167412653
1.253 * [regime-testing]: End program error score: 0.0021899824213193913