16.529 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) 1.0)
0.026 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.026 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.026 * [simplify]: Simplified to:
   (- (* x x) 1.0)
0.027 * * [progress]: iteration 1 / 4
0.027 * * * [progress]: picking best candidate
0.029 * * * * [pick]: Picked  #<alt (λ (x) (- (* x x) 1.0))>
0.029 * * * [progress]: localizing error
0.034 * * * [progress]: generating rewritten candidates
0.034 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.041 * * * [progress]: generating series expansions
0.041 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.041 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.041 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of 1.0 in x
0.041 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
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
0.042 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.043 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of 1.0 in x
0.045 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.045 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of 1.0 in x
0.045 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * * * [progress]: simplifying candidates
0.048 * [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)))
  (neg 1.0)
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (neg 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
0.083 * * [simplify]: iteration  0 :  5361  enodes  (cost  113 )
0.085 * [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 (- (* x x) 1.0) 3)
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow x 6) (pow 1.0 3))
  (+ (pow x 4) (* 1.0 (+ (* x x) 1.0)))
  (neg 1.0)
  (- (pow x 4) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (neg 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
0.085 * * * [progress]: adding candidates to table
0.108 * * [progress]: iteration 2 / 4
0.108 * * * [progress]: picking best candidate
0.113 * * * * [pick]: Picked  #<alt (λ (x) (log (exp (- (* x x) 1.0))))>
0.113 * * * [progress]: localizing error
0.120 * * * [progress]: generating rewritten candidates
0.120 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.126 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1)
0.132 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
0.142 * * * [progress]: generating series expansions
0.142 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.142 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.142 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) 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 1.0 in x
0.142 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) 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 1.0 in x
0.143 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.143 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of 1.0 in x
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.144 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of 1.0 in x
0.146 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) 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 1.0 in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) 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 1.0 in x
0.149 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1)
0.149 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.149 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of 1.0 in x
0.149 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.149 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of 1.0 in x
0.150 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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 1.0 in x
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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 1.0 in x
0.153 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 1.0 in x
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.153 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 1.0 in x
0.155 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
0.155 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0
0.155 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.155 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) 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 1.0 in x
0.155 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.155 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.156 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.156 * [taylor]: Taking taylor expansion of 1.0 in x
0.158 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.158 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.158 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.158 * [taylor]: Taking taylor expansion of 1.0 in x
0.158 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.158 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.158 * [taylor]: Taking taylor expansion of 1.0 in x
0.159 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.159 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.159 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.159 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.159 * [taylor]: Taking taylor expansion of 1.0 in x
0.159 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.159 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.159 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.159 * [taylor]: Taking taylor expansion of x in x
0.159 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * * * [progress]: simplifying candidates
0.161 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (exp (* x x)))
  (log (exp (neg 1.0)))
  (log (exp (* x x)))
  (log (exp (neg 1.0)))
  (log (* (cbrt (exp (- (* x x) 1.0))) (cbrt (exp (- (* x x) 1.0)))))
  (log (cbrt (exp (- (* x x) 1.0))))
  (log (sqrt (exp (- (* x x) 1.0))))
  (log (sqrt (exp (- (* x x) 1.0))))
  (log 1)
  (log (exp (- (* x x) 1.0)))
  (log (exp (* x x)))
  (log (exp 1.0))
  (log (exp (- (* x x) 1.0)))
  (log (exp (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))))
  (log (exp (sqrt (- (* x x) 1.0))))
  (log (exp 1))
  (log (exp (+ x (sqrt 1.0))))
  (log (log (exp (- (* x x) 1.0))))
  (exp (log (exp (- (* x x) 1.0))))
  (* (cbrt (log (exp (- (* x x) 1.0)))) (cbrt (log (exp (- (* x x) 1.0)))))
  (cbrt (log (exp (- (* x x) 1.0))))
  (* (* (log (exp (- (* x x) 1.0))) (log (exp (- (* x x) 1.0)))) (log (exp (- (* x x) 1.0))))
  (sqrt (log (exp (- (* x x) 1.0))))
  (sqrt (log (exp (- (* x x) 1.0))))
  (/ (exp (* x x)) (exp 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (+ (* 1.0 1.0) (* (* x x) 1.0)))
  (neg 1.0)
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (neg 1.0)
  (exp (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (exp (sqrt (- (* x x) 1.0)))
  (exp 1)
  (exp (+ x (sqrt 1.0)))
  (exp (* x x))
  (exp (neg 1.0))
  (exp (* x x))
  (exp (neg 1.0))
  (exp (* x x))
  (exp 1.0)
  (log (exp (- (* x x) 1.0)))
  (exp (exp (- (* x x) 1.0)))
  (* (cbrt (exp (- (* x x) 1.0))) (cbrt (exp (- (* x x) 1.0))))
  (cbrt (exp (- (* x x) 1.0)))
  (* (* (exp (- (* x x) 1.0)) (exp (- (* x x) 1.0))) (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (+ (* (exp (neg 1.0)) (pow x 2)) (+ (exp (neg 1.0)) (* 1/2 (* (exp (neg 1.0)) (pow x 4)))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
0.243 * * [simplify]: iteration  0 :  4995  enodes  (cost  391 )
0.243 * * [simplify]: iteration  1 :  4995  enodes  (cost  391 )
0.246 * [simplify]: Simplified to:
   (* x x)
  (neg 1.0)
  (* x x)
  (neg 1.0)
  (* (log (cbrt (exp (- (* x x) 1.0)))) 2)
  (log (cbrt (exp (- (* x x) 1.0))))
  (log (sqrt (exp (- (* x x) 1.0))))
  (log (sqrt (exp (- (* x x) 1.0))))
  (log 1)
  (- (* x x) 1.0)
  (* x x)
  1.0
  (- (* x x) 1.0)
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (sqrt (- (* x x) 1.0))
  1
  (+ x (sqrt 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (pow (- (* x x) 1.0) 3)
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (pow (- (* x x) 1.0) 3)
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow x 6) (pow 1.0 3))
  (+ (pow x 4) (* 1.0 (+ (* x x) 1.0)))
  (neg 1.0)
  (- (pow x 4) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (neg 1.0)
  (pow (exp (cbrt (- (* x x) 1.0))) (cbrt (- (* x x) 1.0)))
  (exp (sqrt (- (* x x) 1.0)))
  E
  (exp (+ x (sqrt 1.0)))
  (pow (exp x) x)
  (exp (neg 1.0))
  (pow (exp x) x)
  (exp (neg 1.0))
  (pow (exp x) x)
  (exp 1.0)
  (- (* x x) 1.0)
  (exp (exp (- (* x x) 1.0)))
  (* (cbrt (exp (- (* x x) 1.0))) (cbrt (exp (- (* x x) 1.0))))
  (cbrt (exp (- (* x x) 1.0)))
  (pow (exp (- (* x x) 1.0)) 3)
  (sqrt (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (/ (+ (* x x) (+ 1 (* (pow x 4) 1/2))) (exp 1.0))
  (exp (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
0.247 * * * [progress]: adding candidates to table
0.329 * [progress]: [Phase 3 of 3] Extracting.
0.329 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (exp (- (* x x) 1.0))))> #<alt (λ (x) (- (* x x) 1.0))>)
0.329 * * * [regime-changes]: Trying 3 branch expressions: ((* x x) (- (* x x) 1.0) x)
0.329 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (log (exp (- (* x x) 1.0))))> #<alt (λ (x) (- (* x x) 1.0))>)
0.352 * * * * [regimes]: Trying to branch on (- (* x x) 1.0) from (#<alt (λ (x) (log (exp (- (* x x) 1.0))))> #<alt (λ (x) (- (* x x) 1.0))>)
0.374 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (exp (- (* x x) 1.0))))> #<alt (λ (x) (- (* x x) 1.0))>)
0.398 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.398 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) 1.0)
0.399 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.399 * * [simplify]: iteration  1 :  4  enodes  (cost  5 )
0.399 * [simplify]: Simplified to:
   (- (* x x) 1.0)
0.949 * [regime-testing]: End program error score: 0.0006250781347668458