2.733 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp (- (- 1.0 (* x x))))
0.034 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.036 * * [simplify]: iteration  1 :  25  enodes  (cost  4 )
0.037 * * [simplify]: iteration  2 :  47  enodes  (cost  4 )
0.038 * * [simplify]: iteration  3 :  90  enodes  (cost  4 )
0.040 * * [simplify]: iteration  4 :  239  enodes  (cost  4 )
0.044 * * [simplify]: iteration  5 :  805  enodes  (cost  4 )
0.056 * * [simplify]: iteration  6 :  3072  enodes  (cost  4 )
0.093 * * [simplify]: iteration  7 :  5003  enodes  (cost  4 )
0.093 * [simplify]: Simplified to:
   (exp (- (- 1.0 (* x x))))
0.094 * * [progress]: iteration 1 / 4
0.094 * * * [progress]: picking best candidate
0.095 * * * * [pick]: Picked  #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>
0.095 * * * [progress]: localizing error
0.100 * * * [progress]: generating rewritten candidates
0.100 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.112 * * * [progress]: generating series expansions
0.112 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.112 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0
0.112 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.112 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of 1.0 in x
0.113 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.113 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.114 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of 1.0 in x
0.131 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.131 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of 1.0 in x
0.132 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.133 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.133 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.133 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of 1.0 in x
0.134 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of 1.0 in x
0.135 * * * [progress]: simplifying candidates
0.136 * [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))
0.139 * * [simplify]: iteration  0 :  108  enodes  (cost  131 )
0.141 * * [simplify]: iteration  1 :  298  enodes  (cost  119 )
0.146 * * [simplify]: iteration  2 :  1348  enodes  (cost  116 )
0.180 * * [simplify]: iteration  3 :  5001  enodes  (cost  114 )
0.181 * [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))
0.181 * * * [progress]: adding candidates to table
0.230 * * [progress]: iteration 2 / 4
0.230 * * * [progress]: picking best candidate
0.231 * * * * [pick]: Picked  #<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))>
0.231 * * * [progress]: localizing error
0.237 * * * [progress]: generating rewritten candidates
0.237 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.252 * * * [progress]: generating series expansions
0.252 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.252 * [approximate]: Taking taylor expansion of (/ 1 (exp (- 1.0 (pow x 2)))) in (x) around 0
0.252 * [taylor]: Taking taylor expansion of (/ 1 (exp (- 1.0 (pow x 2)))) in x
0.252 * [taylor]: Taking taylor expansion of (exp (- 1.0 (pow x 2))) in x
0.252 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.252 * [taylor]: Taking taylor expansion of 1.0 in x
0.252 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (exp (- 1.0 (pow x 2)))) in x
0.253 * [taylor]: Taking taylor expansion of (exp (- 1.0 (pow x 2))) in x
0.253 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.253 * [taylor]: Taking taylor expansion of 1.0 in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.281 * [approximate]: Taking taylor expansion of (/ 1 (exp (- 1.0 (/ 1 (pow x 2))))) in (x) around 0
0.281 * [taylor]: Taking taylor expansion of (/ 1 (exp (- 1.0 (/ 1 (pow x 2))))) in x
0.281 * [taylor]: Taking taylor expansion of (exp (- 1.0 (/ 1 (pow x 2)))) in x
0.281 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.281 * [taylor]: Taking taylor expansion of 1.0 in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.281 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 (exp (- 1.0 (/ 1 (pow x 2))))) in x
0.282 * [taylor]: Taking taylor expansion of (exp (- 1.0 (/ 1 (pow x 2)))) in x
0.282 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.282 * [taylor]: Taking taylor expansion of 1.0 in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.282 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.287 * [approximate]: Taking taylor expansion of (/ 1 (exp (- 1.0 (/ 1 (pow x 2))))) in (x) around 0
0.287 * [taylor]: Taking taylor expansion of (/ 1 (exp (- 1.0 (/ 1 (pow x 2))))) in x
0.287 * [taylor]: Taking taylor expansion of (exp (- 1.0 (/ 1 (pow x 2)))) in x
0.287 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.287 * [taylor]: Taking taylor expansion of 1.0 in x
0.287 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.287 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.287 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (/ 1 (exp (- 1.0 (/ 1 (pow x 2))))) in x
0.288 * [taylor]: Taking taylor expansion of (exp (- 1.0 (/ 1 (pow x 2)))) in x
0.288 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.288 * [taylor]: Taking taylor expansion of 1.0 in x
0.288 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.288 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.293 * * * [progress]: simplifying candidates
0.293 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 1)
  (- (cbrt (- 1.0 (* x x))))
  (- (sqrt (- 1.0 (* x x))))
  (- (- 1.0 (* x x)))
  (- (- (sqrt 1.0) x))
  (- (- 1.0 (* x x)))
  (- 0 (- 1.0 (* x x)))
  (- (log 1) (- 1.0 (* x x)))
  (log (/ 1 (exp (- 1.0 (* x x)))))
  (exp (/ 1 (exp (- 1.0 (* x x)))))
  (/ (* (* 1 1) 1) (* (* (exp (- 1.0 (* x x))) (exp (- 1.0 (* x x)))) (exp (- 1.0 (* x x)))))
  (* (cbrt (/ 1 (exp (- 1.0 (* x x))))) (cbrt (/ 1 (exp (- 1.0 (* x x))))))
  (cbrt (/ 1 (exp (- 1.0 (* x x)))))
  (* (* (/ 1 (exp (- 1.0 (* x x)))) (/ 1 (exp (- 1.0 (* x x))))) (/ 1 (exp (- 1.0 (* x x)))))
  (sqrt (/ 1 (exp (- 1.0 (* x x)))))
  (sqrt (/ 1 (exp (- 1.0 (* x x)))))
  (- 1)
  (- (exp (- 1.0 (* x x))))
  (/ (* (cbrt 1) (cbrt 1)) (exp 1.0))
  (/ (cbrt 1) (exp (- (* x x))))
  (/ (* (cbrt 1) (cbrt 1)) (exp 1.0))
  (/ (cbrt 1) (exp (- (* x x))))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ (cbrt 1) (cbrt (exp (- 1.0 (* x x)))))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (exp (- 1.0 (* x x)))))
  (/ (cbrt 1) (sqrt (exp (- 1.0 (* x x)))))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (exp (- 1.0 (* x x))))
  (/ (sqrt 1) (exp 1.0))
  (/ (sqrt 1) (exp (- (* x x))))
  (/ (sqrt 1) (exp 1.0))
  (/ (sqrt 1) (exp (- (* x x))))
  (/ (sqrt 1) (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ (sqrt 1) (cbrt (exp (- 1.0 (* x x)))))
  (/ (sqrt 1) (sqrt (exp (- 1.0 (* x x)))))
  (/ (sqrt 1) (sqrt (exp (- 1.0 (* x x)))))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (exp (- 1.0 (* x x))))
  (/ 1 (exp 1.0))
  (/ 1 (exp (- (* x x))))
  (/ 1 (exp 1.0))
  (/ 1 (exp (- (* x x))))
  (/ 1 (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ 1 (cbrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  (/ 1 1)
  (/ 1 (exp (- 1.0 (* x x))))
  (/ 1 (exp (- 1.0 (* x x))))
  (/ (exp (- 1.0 (* x x))) 1)
  (/ 1 (exp 1.0))
  (/ 1 (exp 1.0))
  (/ 1 (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  (/ 1 1)
  (/ (exp (- 1.0 (* x x))) (cbrt 1))
  (/ (exp (- 1.0 (* x x))) (sqrt 1))
  (/ (exp (- 1.0 (* x x))) 1)
  (/ 1 (exp 1.0))
  (+ (/ 1 (exp 1.0)) (+ (/ (pow x 2) (exp 1.0)) (* 1/2 (/ (pow x 4) (exp 1.0)))))
  (/ 1 (exp (- 1.0 (pow x 2))))
  (/ 1 (exp (- 1.0 (pow x 2))))
0.297 * * [simplify]: iteration  0 :  151  enodes  (cost  304 )
0.300 * * [simplify]: iteration  1 :  503  enodes  (cost  266 )
0.309 * * [simplify]: iteration  2 :  2312  enodes  (cost  235 )
0.365 * * [simplify]: iteration  3 :  5002  enodes  (cost  227 )
0.366 * [simplify]: Simplified to:
   (- 1)
  (- (cbrt (- 1.0 (* x x))))
  (- (sqrt (- 1.0 (* x x))))
  (- (pow x 2) 1.0)
  (- (- (sqrt 1.0) x))
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (exp (/ 1 (exp (- 1.0 (* x x)))))
  (pow (exp (- (pow x 2) 1.0)) 3)
  (* (cbrt (/ 1 (exp (- 1.0 (* x x))))) (cbrt (/ 1 (exp (- 1.0 (* x x))))))
  (cbrt (/ 1 (exp (- 1.0 (* x x)))))
  (pow (exp (- (pow x 2) 1.0)) 3)
  (sqrt (/ 1 (exp (- 1.0 (* x x)))))
  (sqrt (/ 1 (exp (- 1.0 (* x x)))))
  (- 1)
  (- (exp (- 1.0 (* x x))))
  (/ 1 (exp 1.0))
  (exp (pow x 2))
  (/ 1 (exp 1.0))
  (exp (pow x 2))
  (/ 1 (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ 1 (cbrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  1
  (exp (- (pow x 2) 1.0))
  (/ 1 (exp 1.0))
  (exp (pow x 2))
  (/ 1 (exp 1.0))
  (exp (pow x 2))
  (/ 1 (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ 1 (cbrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  1
  (exp (- (pow x 2) 1.0))
  (/ 1 (exp 1.0))
  (exp (pow x 2))
  (/ 1 (exp 1.0))
  (exp (pow x 2))
  (/ 1 (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ 1 (cbrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  1
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
  (exp (- 1.0 (* x x)))
  (/ 1 (exp 1.0))
  (/ 1 (exp 1.0))
  (/ 1 (* (cbrt (exp (- 1.0 (* x x)))) (cbrt (exp (- 1.0 (* x x))))))
  (/ 1 (sqrt (exp (- 1.0 (* x x)))))
  1
  (exp (- 1.0 (* x x)))
  (exp (- 1.0 (* x x)))
  (exp (- 1.0 (* x x)))
  (/ 1 (exp 1.0))
  (+ (/ 1 (exp 1.0)) (+ (/ (pow x 2) (exp 1.0)) (* 1/2 (/ (pow x 4) (exp 1.0)))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
0.366 * * * [progress]: adding candidates to table
0.424 * [progress]: [Phase 3 of 3] Extracting.
0.424 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.424 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- 1.0 (* x x)) (- (- 1.0 (* x x))) (exp (- (- 1.0 (* x x)))) x)
0.424 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.432 * * * * [regimes]: Trying to branch on (- 1.0 (* x x)) from (#<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.439 * * * * [regimes]: Trying to branch on (- (- 1.0 (* x x))) from (#<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.446 * * * * [regimes]: Trying to branch on (exp (- (- 1.0 (* x x)))) from (#<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.456 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ 1 (exp (- 1.0 (* x x)))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.468 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.468 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 1 (exp (- 1.0 (* x x))))
0.468 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.468 * * [simplify]: iteration  1 :  9  enodes  (cost  4 )
0.469 * [simplify]: Simplified to:
   (/ 1 (exp (- 1.0 (* x x))))
1.347 * [regime-testing]: Baseline error score: 0.018368758103301016
1.348 * [regime-testing]: Oracle error score: 0.013075553262825884
1.349 * [regime-testing]: End program error score: 0.018368758103301016