4.538 * [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> :
   (exp (- (- 1.0 (* x x))))
0.023 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.024 * * [simplify]: iteration  1 :  25  enodes  (cost  4 )
0.025 * * [simplify]: iteration  2 :  47  enodes  (cost  4 )
0.027 * * [simplify]: iteration  3 :  90  enodes  (cost  4 )
0.029 * * [simplify]: iteration  4 :  239  enodes  (cost  4 )
0.032 * * [simplify]: iteration  5 :  805  enodes  (cost  4 )
0.045 * * [simplify]: iteration  6 :  3072  enodes  (cost  4 )
0.081 * * [simplify]: iteration  7 :  5003  enodes  (cost  4 )
0.081 * [simplify]: Simplified to:
   (exp (- (- 1.0 (* x x))))
0.082 * * [progress]: iteration 1 / 4
0.082 * * * [progress]: picking best candidate
0.083 * * * * [pick]: Picked  #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>
0.083 * * * [progress]: localizing error
0.088 * * * [progress]: generating rewritten candidates
0.089 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.100 * * * [progress]: generating series expansions
0.100 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.101 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0
0.101 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.101 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of 1.0 in x
0.102 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.102 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.102 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.120 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.121 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.121 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.122 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.122 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of 1.0 in x
0.123 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.123 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.123 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.123 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of 1.0 in x
0.124 * * * [progress]: simplifying candidates
0.125 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp (* (cbrt (- (- 1.0 (* x x)))) (cbrt (- (- 1.0 (* x x))))))
  (exp (sqrt (- (- 1.0 (* x x)))))
  (exp 1)
  (exp -1)
  (exp (- (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))))
  (exp (- (sqrt (- 1.0 (* x x)))))
  (exp (- 1))
  (exp (- (+ (sqrt 1.0) x)))
  (exp (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))
  (exp (sqrt (- 1.0 (* x x))))
  (exp 1)
  (exp (+ (sqrt 1.0) x))
  (exp (- 1.0))
  (exp (- (- (* x x))))
  (exp (- 1.0))
  (exp (- (- (* x x))))
  (exp (- 1.0 (* x x)))
  (exp 0)
  (exp (- 1.0 (* x x)))
  (log (exp (- (- 1.0 (* x x)))))
  (exp (exp (- (- 1.0 (* x x)))))
  (* (cbrt (exp (- (- 1.0 (* x x))))) (cbrt (exp (- (- 1.0 (* x x))))))
  (cbrt (exp (- (- 1.0 (* x x)))))
  (* (* (exp (- (- 1.0 (* x x)))) (exp (- (- 1.0 (* x x))))) (exp (- (- 1.0 (* x x)))))
  (sqrt (exp (- (- 1.0 (* x x)))))
  (sqrt (exp (- (- 1.0 (* x x)))))
  (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0))))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
0.128 * * [simplify]: iteration  0 :  108  enodes  (cost  131 )
0.130 * * [simplify]: iteration  1 :  298  enodes  (cost  119 )
0.135 * * [simplify]: iteration  2 :  1348  enodes  (cost  116 )
0.169 * * [simplify]: iteration  3 :  5001  enodes  (cost  114 )
0.170 * [simplify]: Simplified to:
   (exp (* (cbrt (- (- 1.0 (* x x)))) (cbrt (- (- 1.0 (* x x))))))
  (exp (sqrt (- (- 1.0 (* x x)))))
  E
  (exp -1)
  (exp (- (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x))))))
  (exp (- (sqrt (- 1.0 (* x x)))))
  (exp -1)
  (exp (- (+ (sqrt 1.0) x)))
  (exp (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))
  (exp (sqrt (- 1.0 (* x x))))
  E
  (exp (+ (sqrt 1.0) x))
  (exp (- 1.0))
  (exp (pow x 2))
  (exp (- 1.0))
  (exp (pow x 2))
  (exp (- 1.0 (* x x)))
  1
  (exp (- 1.0 (* x x)))
  (- (pow x 2) 1.0)
  (pow E (exp (- (pow x 2) 1.0)))
  (* (cbrt (exp (- (- 1.0 (* x x))))) (cbrt (exp (- (- 1.0 (* x x))))))
  (cbrt (exp (- (- 1.0 (* x x)))))
  (pow (exp 3) (- (pow x 2) 1.0))
  (sqrt (exp (- (- 1.0 (* x x)))))
  (sqrt (exp (- (- 1.0 (* x x)))))
  (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
0.170 * * * [progress]: adding candidates to table
0.221 * * [progress]: iteration 2 / 4
0.221 * * * [progress]: picking best candidate
0.226 * * * * [pick]: Picked  #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>
0.226 * * * [progress]: localizing error
0.238 * * * [progress]: generating rewritten candidates
0.238 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.341 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
0.347 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.385 * * * [progress]: generating series expansions
0.385 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.386 * [approximate]: Taking taylor expansion of (* (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) (exp (- 1.0))) in (x) around 0
0.386 * [taylor]: Taking taylor expansion of (* (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) (exp (- 1.0))) in x
0.386 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) in x
0.386 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.386 * [taylor]: Taking taylor expansion of x in x
0.386 * [taylor]: Taking taylor expansion of (+ (* 1/2 (pow x 4)) 1) in x
0.386 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 4)) in x
0.386 * [taylor]: Taking taylor expansion of 1/2 in x
0.386 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.386 * [taylor]: Taking taylor expansion of x in x
0.386 * [taylor]: Taking taylor expansion of 1 in x
0.386 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.386 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.386 * [taylor]: Taking taylor expansion of 1.0 in x
0.387 * [taylor]: Taking taylor expansion of (* (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) (exp (- 1.0))) in x
0.387 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) in x
0.387 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.387 * [taylor]: Taking taylor expansion of (+ (* 1/2 (pow x 4)) 1) in x
0.387 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 4)) in x
0.387 * [taylor]: Taking taylor expansion of 1/2 in x
0.387 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.387 * [taylor]: Taking taylor expansion of 1 in x
0.387 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.387 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.387 * [taylor]: Taking taylor expansion of 1.0 in x
0.415 * [approximate]: Taking taylor expansion of (* (exp (- 1.0)) (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1))) in (x) around 0
0.415 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1))) in x
0.415 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.415 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.415 * [taylor]: Taking taylor expansion of 1.0 in x
0.416 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.416 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.416 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.416 * [taylor]: Taking taylor expansion of x in x
0.417 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.417 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.417 * [taylor]: Taking taylor expansion of 1/2 in x
0.417 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.417 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.417 * [taylor]: Taking taylor expansion of x in x
0.418 * [taylor]: Taking taylor expansion of 1 in x
0.418 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1))) in x
0.418 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.418 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.418 * [taylor]: Taking taylor expansion of 1.0 in x
0.419 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.419 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.419 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.419 * [taylor]: Taking taylor expansion of x in x
0.419 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.419 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.419 * [taylor]: Taking taylor expansion of 1/2 in x
0.419 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.419 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.419 * [taylor]: Taking taylor expansion of x in x
0.420 * [taylor]: Taking taylor expansion of 1 in x
0.452 * [approximate]: Taking taylor expansion of (* (exp (- 1.0)) (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1))) in (x) around 0
0.452 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1))) in x
0.452 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.452 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.452 * [taylor]: Taking taylor expansion of 1.0 in x
0.457 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.457 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.457 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.458 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.458 * [taylor]: Taking taylor expansion of 1/2 in x
0.458 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.458 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.458 * [taylor]: Taking taylor expansion of x in x
0.459 * [taylor]: Taking taylor expansion of 1 in x
0.459 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1))) in x
0.459 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.459 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.459 * [taylor]: Taking taylor expansion of 1.0 in x
0.460 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.460 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.460 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.460 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.460 * [taylor]: Taking taylor expansion of 1/2 in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.460 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.461 * [taylor]: Taking taylor expansion of 1 in x
0.492 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
0.492 * [approximate]: Taking taylor expansion of (* 1/2 (pow x 4)) in (x) around 0
0.492 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 4)) in x
0.492 * [taylor]: Taking taylor expansion of 1/2 in x
0.492 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.492 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 4)) in x
0.493 * [taylor]: Taking taylor expansion of 1/2 in x
0.493 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.504 * [approximate]: Taking taylor expansion of (/ 1/2 (pow x 4)) in (x) around 0
0.504 * [taylor]: Taking taylor expansion of (/ 1/2 (pow x 4)) in x
0.504 * [taylor]: Taking taylor expansion of 1/2 in x
0.504 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.505 * [taylor]: Taking taylor expansion of (/ 1/2 (pow x 4)) in x
0.505 * [taylor]: Taking taylor expansion of 1/2 in x
0.505 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.505 * [taylor]: Taking taylor expansion of x in x
0.517 * [approximate]: Taking taylor expansion of (/ 1/2 (pow x 4)) in (x) around 0
0.517 * [taylor]: Taking taylor expansion of (/ 1/2 (pow x 4)) in x
0.517 * [taylor]: Taking taylor expansion of 1/2 in x
0.517 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.517 * [taylor]: Taking taylor expansion of x in x
0.518 * [taylor]: Taking taylor expansion of (/ 1/2 (pow x 4)) in x
0.518 * [taylor]: Taking taylor expansion of 1/2 in x
0.518 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.518 * [taylor]: Taking taylor expansion of x in x
0.529 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.529 * [approximate]: Taking taylor expansion of (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) in (x) around 0
0.529 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) in x
0.529 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.529 * [taylor]: Taking taylor expansion of x in x
0.529 * [taylor]: Taking taylor expansion of (+ (* 1/2 (pow x 4)) 1) in x
0.529 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 4)) in x
0.529 * [taylor]: Taking taylor expansion of 1/2 in x
0.529 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.529 * [taylor]: Taking taylor expansion of x in x
0.529 * [taylor]: Taking taylor expansion of 1 in x
0.529 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1)) in x
0.529 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.529 * [taylor]: Taking taylor expansion of x in x
0.529 * [taylor]: Taking taylor expansion of (+ (* 1/2 (pow x 4)) 1) in x
0.529 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 4)) in x
0.529 * [taylor]: Taking taylor expansion of 1/2 in x
0.529 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.529 * [taylor]: Taking taylor expansion of x in x
0.529 * [taylor]: Taking taylor expansion of 1 in x
0.670 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in (x) around 0
0.670 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.670 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.670 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.670 * [taylor]: Taking taylor expansion of x in x
0.671 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.671 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.671 * [taylor]: Taking taylor expansion of 1/2 in x
0.671 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.671 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.671 * [taylor]: Taking taylor expansion of x in x
0.671 * [taylor]: Taking taylor expansion of 1 in x
0.672 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.672 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.672 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.672 * [taylor]: Taking taylor expansion of x in x
0.672 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.672 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.672 * [taylor]: Taking taylor expansion of 1/2 in x
0.672 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.672 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.672 * [taylor]: Taking taylor expansion of x in x
0.673 * [taylor]: Taking taylor expansion of 1 in x
0.687 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in (x) around 0
0.687 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.687 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.687 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.687 * [taylor]: Taking taylor expansion of x in x
0.688 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.688 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.688 * [taylor]: Taking taylor expansion of 1/2 in x
0.688 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.688 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.688 * [taylor]: Taking taylor expansion of x in x
0.689 * [taylor]: Taking taylor expansion of 1 in x
0.689 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (* 1/2 (/ 1 (pow x 4))) 1)) in x
0.689 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.689 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.689 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 4))) 1) in x
0.689 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 4))) in x
0.689 * [taylor]: Taking taylor expansion of 1/2 in x
0.689 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.689 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.690 * [taylor]: Taking taylor expansion of 1 in x
0.703 * * * [progress]: simplifying candidates
0.704 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (+ (- 1.0) (log (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (log (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (exp (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (* (* (exp (- 1.0)) (exp (- 1.0))) (exp (- 1.0))) (* (* (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (cbrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))) (cbrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))))
  (cbrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (* (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (sqrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (sqrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* 1 (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3)))
  (* (exp 1.0) (+ (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (- (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4))) (* (+ (pow x 2) 1) (* 1/2 (pow x 4))))))
  (* 1 (- (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4)))))
  (* (exp 1.0) (- (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (exp 0) (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3)))
  (* (exp 1.0) (+ (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (- (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4))) (* (+ (pow x 2) 1) (* 1/2 (pow x 4))))))
  (* (exp 0) (- (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4)))))
  (* (exp 1.0) (- (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (sqrt (exp (- 1.0))) (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (sqrt (exp (- 1.0))) (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (exp (- 1.0)) (+ (pow x 2) 1))
  (* (exp (- 1.0)) (* 1/2 (pow x 4)))
  (* (+ (pow x 2) 1) (exp (- 1.0)))
  (* (* 1/2 (pow x 4)) (exp (- 1.0)))
  (* (exp (- 1.0)) (* (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))))
  (* (exp (- 1.0)) (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (exp (- 1.0)) 1)
  (* (cbrt (exp (- 1.0))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (sqrt (exp (- 1.0))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (exp (- 1.0)) (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3)))
  (* (exp (- 1.0)) (- (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4)))))
  (* 1 (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (exp 0) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (+ (log 1/2) (* (log x) 4))
  (+ (log 1/2) (* (log x) 4))
  (+ (log 1/2) (log (pow x 4)))
  (log (* 1/2 (pow x 4)))
  (exp (* 1/2 (pow x 4)))
  (* (* (* 1/2 1/2) 1/2) (* (* (pow x 4) (pow x 4)) (pow x 4)))
  (* (cbrt (* 1/2 (pow x 4))) (cbrt (* 1/2 (pow x 4))))
  (cbrt (* 1/2 (pow x 4)))
  (* (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4))) (* 1/2 (pow x 4)))
  (sqrt (* 1/2 (pow x 4)))
  (sqrt (* 1/2 (pow x 4)))
  (* (sqrt 1/2) (pow (sqrt x) 4))
  (* (sqrt 1/2) (pow (sqrt x) 4))
  (* (sqrt 1/2) (sqrt (pow x 4)))
  (* (sqrt 1/2) (sqrt (pow x 4)))
  (* (sqrt 1/2) (pow x (/ 4 2)))
  (* (sqrt 1/2) (pow x (/ 4 2)))
  (* 1/2 (pow (* (cbrt x) (cbrt x)) 4))
  (* 1/2 (pow (sqrt x) 4))
  (* 1/2 (pow 1 4))
  (* 1/2 (* (cbrt (pow x 4)) (cbrt (pow x 4))))
  (* 1/2 (sqrt (pow x 4)))
  (* 1/2 1)
  (* 1/2 (pow x (/ 4 2)))
  (* (cbrt 1/2) (pow x 4))
  (* (sqrt 1/2) (pow x 4))
  (* 1/2 (pow x 4))
  (* (* (exp (pow x 2)) (exp 1)) (exp (* 1/2 (pow x 4))))
  (* (exp (+ (pow x 2) 1)) (exp (* 1/2 (pow x 4))))
  (log (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (exp (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (* (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3))
  (+ (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (- (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4))) (* (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (- (* (+ (pow x 2) 1) (+ (pow x 2) 1)) (* (* 1/2 (pow x 4)) (* 1/2 (pow x 4))))
  (- (+ (pow x 2) 1) (* 1/2 (pow x 4)))
  (+ 1 (* 1/2 (pow x 4)))
  (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0))))))
  (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0))))))
  (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0))))))
  (* 1/2 (pow x 4))
  (* 1/2 (pow x 4))
  (* 1/2 (pow x 4))
  (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1))
  (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1))
  (+ (pow x 2) (+ (* 1/2 (pow x 4)) 1))
0.709 * * [simplify]: iteration  0 :  334  enodes  (cost  583 )
0.717 * * [simplify]: iteration  1 :  1834  enodes  (cost  520 )
0.754 * * [simplify]: iteration  2 :  5001  enodes  (cost  514 )
0.757 * [simplify]: Simplified to:
   (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0))
  (- (log (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) 1.0)
  (- (log (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) 1.0)
  (pow E (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0)))
  (pow (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0)) 3)
  (* (cbrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))) (cbrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))))
  (cbrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (pow (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0)) 3)
  (sqrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (sqrt (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3))
  (* (+ (* (* 1/2 (pow x 4)) (- (* 1/2 (pow x 4)) (+ (pow x 2) 1))) (* (+ (pow x 2) 1) (+ (pow x 2) 1))) (exp 1.0))
  (+ (* (- 1/4) (pow x 8)) (* (+ (pow x 2) 1) (+ (pow x 2) 1)))
  (* (exp 1.0) (- (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3))
  (* (+ (* (* 1/2 (pow x 4)) (- (* 1/2 (pow x 4)) (+ (pow x 2) 1))) (* (+ (pow x 2) 1) (+ (pow x 2) 1))) (exp 1.0))
  (+ (* (- 1/4) (pow x 8)) (* (+ (pow x 2) 1) (+ (pow x 2) 1)))
  (* (exp 1.0) (- (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (sqrt (exp (- 1.0))) (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (sqrt (exp (- 1.0))) (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (* (exp (- 1.0)) (+ (pow x 2) 1))
  (* (pow x 4) (/ 1/2 (exp 1.0)))
  (* (exp (- 1.0)) (+ (pow x 2) 1))
  (* (pow x 4) (/ 1/2 (exp 1.0)))
  (* (exp (- 1.0)) (* (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))))
  (* (exp (- 1.0)) (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (exp (- 1.0))
  (* (cbrt (exp (- 1.0))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (sqrt (exp (- 1.0))) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0))
  (/ (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3)) (exp 1.0))
  (/ (+ (* (+ (pow x 2) 1) (pow x 2)) (- (+ (pow x 2) 1) (* (pow x 8) 1/4))) (exp 1.0))
  (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))
  (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))
  (log (* 1/2 (pow x 4)))
  (log (* 1/2 (pow x 4)))
  (log (* 1/2 (pow x 4)))
  (log (* 1/2 (pow x 4)))
  (exp (* 1/2 (pow x 4)))
  (pow (* 1/2 (pow x 4)) 3)
  (* (cbrt (* 1/2 (pow x 4))) (cbrt (* 1/2 (pow x 4))))
  (cbrt (* 1/2 (pow x 4)))
  (pow (* 1/2 (pow x 4)) 3)
  (sqrt (* 1/2 (pow x 4)))
  (sqrt (* 1/2 (pow x 4)))
  (* (sqrt 1/2) (pow x 2))
  (* (sqrt 1/2) (pow x 2))
  (* (sqrt 1/2) (sqrt (pow x 4)))
  (* (sqrt 1/2) (sqrt (pow x 4)))
  (* (sqrt 1/2) (pow x 2))
  (* (sqrt 1/2) (pow x 2))
  (* 1/2 (pow (* (cbrt x) (cbrt x)) 4))
  (* 1/2 (pow x 2))
  1/2
  (* 1/2 (* (cbrt (pow x 4)) (cbrt (pow x 4))))
  (* 1/2 (sqrt (pow x 4)))
  1/2
  (* 1/2 (pow x 2))
  (* (cbrt 1/2) (pow x 4))
  (* (sqrt 1/2) (pow x 4))
  (* 1/2 (pow x 4))
  (exp (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (exp (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (log (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (exp (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (* (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))) (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))
  (cbrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (pow (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) 3)
  (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (sqrt (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (+ (pow (+ (pow x 2) 1) 3) (pow (* 1/2 (pow x 4)) 3))
  (+ (* (* 1/2 (pow x 4)) (- (* 1/2 (pow x 4)) (+ (pow x 2) 1))) (* (+ (pow x 2) 1) (+ (pow x 2) 1)))
  (+ (* (- 1/4) (pow x 8)) (* (+ (pow x 2) 1) (+ (pow x 2) 1)))
  (- (+ (pow x 2) 1) (* 1/2 (pow x 4)))
  (+ 1 (* 1/2 (pow x 4)))
  (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0))
  (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0))
  (/ (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))) (exp 1.0))
  (* 1/2 (pow x 4))
  (* 1/2 (pow x 4))
  (* 1/2 (pow x 4))
  (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))
  (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))
  (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))
0.758 * * * [progress]: adding candidates to table
0.926 * [progress]: [Phase 3 of 3] Extracting.
0.926 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (exp (- (- 1.0 (* x x)))))> #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>)
0.926 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- 1.0 (* x x)) (- (- 1.0 (* x x))) (exp (- (- 1.0 (* x x)))) x)
0.926 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (exp (- (- 1.0 (* x x)))))> #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>)
0.937 * * * * [regimes]: Trying to branch on (- 1.0 (* x x)) from (#<alt (λ (x) (exp (- (- 1.0 (* x x)))))> #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>)
0.945 * * * * [regimes]: Trying to branch on (- (- 1.0 (* x x))) from (#<alt (λ (x) (exp (- (- 1.0 (* x x)))))> #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>)
0.954 * * * * [regimes]: Trying to branch on (exp (- (- 1.0 (* x x)))) from (#<alt (λ (x) (exp (- (- 1.0 (* x x)))))> #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>)
0.965 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (exp (- (- 1.0 (* x x)))))> #<alt (λ (x) (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4)))))>)
0.977 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.977 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp (- (- 1.0 (* x x))))
0.978 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.978 * [simplify]: Simplified to:
   (exp (- (- 1.0 (* x x))))
1.633 * [regime-testing]: Baseline error score: 0.019362883417020596
1.634 * [regime-testing]: Oracle error score: 0.017362633385766685
1.635 * [regime-testing]: End program error score: 0.019362883417020596