13.941 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [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 :  49  enodes  (cost  4 )
0.027 * * [simplify]: iteration  3 :  96  enodes  (cost  4 )
0.029 * * [simplify]: iteration  4 :  253  enodes  (cost  4 )
0.032 * * [simplify]: iteration  5 :  821  enodes  (cost  4 )
0.044 * * [simplify]: iteration  6 :  3115  enodes  (cost  4 )
0.080 * * [simplify]: iteration  7 :  5001  enodes  (cost  4 )
0.080 * [simplify]: Simplified to:
   (exp (- (- 1.0 (* x x))))
0.080 * * [progress]: iteration 1 / 4
0.080 * * * [progress]: picking best candidate
0.082 * * * * [pick]: Picked  #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>
0.082 * * * [progress]: localizing error
0.087 * * * [progress]: generating rewritten candidates
0.087 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.093 * * * [progress]: generating series expansions
0.093 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.093 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0
0.093 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.093 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of 1.0 in x
0.095 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.095 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of 1.0 in x
0.111 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.111 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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
0.112 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.114 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.114 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.114 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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
0.115 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.115 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * * * [progress]: simplifying candidates
0.116 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (exp (- (- 1.0 (* x x)))))
  (log1p (exp (- (- 1.0 (* x x)))))
  (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 (- (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* x x)))))
  (exp (- (fma (- x) x (* x x))))
  (exp (- (fma (sqrt 1.0) (sqrt 1.0) (- (* x x)))))
  (exp (- (fma (- x) x (* x x))))
  (exp (- (fma 1 1.0 (- (* x x)))))
  (exp (- (fma (- x) x (* x 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))
0.120 * * [simplify]: iteration  0 :  140  enodes  (cost  176 )
0.122 * * [simplify]: iteration  1 :  392  enodes  (cost  156 )
0.129 * * [simplify]: iteration  2 :  1701  enodes  (cost  140 )
0.172 * * [simplify]: iteration  3 :  5001  enodes  (cost  133 )
0.173 * [simplify]: Simplified to:
   (expm1 (exp (- (- 1.0 (* x x)))))
  (log1p (exp (- (- 1.0 (* x x)))))
  (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 (- (pow x 2) 1.0))
  1
  (exp (- (pow x 2) 1.0))
  1
  (exp (- (pow x 2) 1.0))
  1
  (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)
  (exp (exp (- (- 1.0 (* x x)))))
  (* (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) (fma 1/2 (pow x 4) 1)))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
0.174 * * * [progress]: adding candidates to table
0.222 * * [progress]: iteration 2 / 4
0.222 * * * [progress]: picking best candidate
0.224 * * * * [pick]: Picked  #<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))>
0.224 * * * [progress]: localizing error
0.231 * * * [progress]: generating rewritten candidates
0.231 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.245 * * * [progress]: generating series expansions
0.245 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.246 * [approximate]: Taking taylor expansion of (* (exp (pow x 2)) (exp (- 1.0))) in (x) around 0
0.246 * [taylor]: Taking taylor expansion of (* (exp (pow x 2)) (exp (- 1.0))) in x
0.246 * [taylor]: Taking taylor expansion of (exp (pow x 2)) in x
0.246 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.246 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.246 * [taylor]: Taking taylor expansion of 1.0 in x
0.247 * [taylor]: Taking taylor expansion of (* (exp (pow x 2)) (exp (- 1.0))) in x
0.247 * [taylor]: Taking taylor expansion of (exp (pow x 2)) in x
0.247 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.247 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.247 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.247 * [taylor]: Taking taylor expansion of 1.0 in x
0.277 * [approximate]: Taking taylor expansion of (* (exp (- 1.0)) (exp (pow (/ 1 x) 2))) in (x) around 0
0.277 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (exp (pow (/ 1 x) 2))) in x
0.277 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.277 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.277 * [taylor]: Taking taylor expansion of 1.0 in x
0.278 * [taylor]: Taking taylor expansion of (exp (pow (/ 1 x) 2)) in x
0.278 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.279 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (exp (pow (/ 1 x) 2))) in x
0.279 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.279 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.279 * [taylor]: Taking taylor expansion of 1.0 in x
0.280 * [taylor]: Taking taylor expansion of (exp (pow (/ 1 x) 2)) in x
0.280 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.310 * [approximate]: Taking taylor expansion of (* (exp (- 1.0)) (exp (pow (/ -1 x) 2))) in (x) around 0
0.310 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (exp (pow (/ -1 x) 2))) in x
0.310 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.310 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.310 * [taylor]: Taking taylor expansion of 1.0 in x
0.311 * [taylor]: Taking taylor expansion of (exp (pow (/ -1 x) 2)) in x
0.311 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
0.311 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.311 * [taylor]: Taking taylor expansion of -1 in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of (* (exp (- 1.0)) (exp (pow (/ -1 x) 2))) in x
0.311 * [taylor]: Taking taylor expansion of (exp (- 1.0)) in x
0.311 * [taylor]: Taking taylor expansion of (- 1.0) in x
0.311 * [taylor]: Taking taylor expansion of 1.0 in x
0.312 * [taylor]: Taking taylor expansion of (exp (pow (/ -1 x) 2)) in x
0.312 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
0.312 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.312 * [taylor]: Taking taylor expansion of -1 in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.345 * * * [progress]: simplifying candidates
0.346 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* (exp (- 1.0)) (exp (pow x 2))))
  (log1p (* (exp (- 1.0)) (exp (pow x 2))))
  (+ (- 1.0) (pow x 2))
  (+ (- 1.0) (pow x 2))
  (* (exp (- 1.0)) (exp (pow x 2)))
  (+ (- 1.0) (pow x 2))
  (log (* (exp (- 1.0)) (exp (pow x 2))))
  (exp (* (exp (- 1.0)) (exp (pow x 2))))
  (* (* (* (exp (- 1.0)) (exp (- 1.0))) (exp (- 1.0))) (* (* (exp (pow x 2)) (exp (pow x 2))) (exp (pow x 2))))
  (* (cbrt (* (exp (- 1.0)) (exp (pow x 2)))) (cbrt (* (exp (- 1.0)) (exp (pow x 2)))))
  (cbrt (* (exp (- 1.0)) (exp (pow x 2))))
  (* (* (* (exp (- 1.0)) (exp (pow x 2))) (* (exp (- 1.0)) (exp (pow x 2)))) (* (exp (- 1.0)) (exp (pow x 2))))
  (sqrt (* (exp (- 1.0)) (exp (pow x 2))))
  (sqrt (* (exp (- 1.0)) (exp (pow x 2))))
  (* (sqrt (exp (- 1.0))) (sqrt (exp (pow x 2))))
  (* (sqrt (exp (- 1.0))) (sqrt (exp (pow x 2))))
  (* (exp (- 1.0)) (* (cbrt (exp (pow x 2))) (cbrt (exp (pow x 2)))))
  (* (exp (- 1.0)) (sqrt (exp (pow x 2))))
  (* (exp (- 1.0)) 1)
  (* (cbrt (exp (- 1.0))) (exp (pow x 2)))
  (* (sqrt (exp (- 1.0))) (exp (pow x 2)))
  (* (exp (- 1.0)) (exp (pow x 2)))
  (* 1 (exp (pow x 2)))
  (* (exp 0) (exp (pow x 2)))
  (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0))))))
  (* (exp (pow x 2)) (exp (- 1.0)))
  (* (exp (pow x 2)) (exp (- 1.0)))
0.349 * * [simplify]: iteration  0 :  106  enodes  (cost  169 )
0.352 * * [simplify]: iteration  1 :  455  enodes  (cost  142 )
0.362 * * [simplify]: iteration  2 :  2518  enodes  (cost  132 )
0.411 * * [simplify]: iteration  3 :  5001  enodes  (cost  129 )
0.413 * [simplify]: Simplified to:
   (expm1 (* (exp (- 1.0)) (exp (pow x 2))))
  (log1p (* (exp (- 1.0)) (exp (pow x 2))))
  (fma x x (- 1.0))
  (fma x x (- 1.0))
  (exp (fma x x (- 1.0)))
  (fma x x (- 1.0))
  (fma x x (- 1.0))
  (pow (exp 1) (exp (fma x x (- 1.0))))
  (pow (exp (fma x x (- 1.0))) 3)
  (* (cbrt (* (exp (- 1.0)) (exp (pow x 2)))) (cbrt (* (exp (- 1.0)) (exp (pow x 2)))))
  (cbrt (* (exp (- 1.0)) (exp (pow x 2))))
  (pow (exp (fma x x (- 1.0))) 3)
  (sqrt (* (exp (- 1.0)) (exp (pow x 2))))
  (sqrt (* (exp (- 1.0)) (exp (pow x 2))))
  (* (sqrt (exp (- 1.0))) (sqrt (exp (pow x 2))))
  (* (sqrt (exp (- 1.0))) (sqrt (exp (pow x 2))))
  (/ (* (cbrt (exp (pow x 2))) (cbrt (exp (pow x 2)))) (exp 1.0))
  (/ (sqrt (exp (pow x 2))) (exp 1.0))
  (exp (- 1.0))
  (* (cbrt (exp (- 1.0))) (exp (pow x 2)))
  (* (sqrt (exp (- 1.0))) (exp (pow x 2)))
  (exp (fma x x (- 1.0)))
  (exp (pow x 2))
  (exp (pow x 2))
  (* (exp (- 1.0)) (+ (pow x 2) (fma 1/2 (pow x 4) 1)))
  (exp (fma x x (- 1.0)))
  (exp (fma x x (- 1.0)))
0.413 * * * [progress]: adding candidates to table
0.456 * [progress]: [Phase 3 of 3] Extracting.
0.456 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.456 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- 1.0 (* x x)) (- (- 1.0 (* x x))) (exp (- (- 1.0 (* x x)))) x)
0.456 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.469 * * * * [regimes]: Trying to branch on (- 1.0 (* x x)) from (#<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.477 * * * * [regimes]: Trying to branch on (- (- 1.0 (* x x))) from (#<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.485 * * * * [regimes]: Trying to branch on (exp (- (- 1.0 (* x x)))) from (#<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.496 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* (exp (- 1.0)) (exp (pow x 2))))> #<alt (λ (x) (exp (- (- 1.0 (* x x)))))>)
0.505 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.505 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (- 1.0)) (exp (pow x 2)))
0.506 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.506 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.506 * [simplify]: Simplified to:
   (* (exp (- 1.0)) (exp (pow x 2)))
1.132 * [regime-testing]: Baseline error score: 0.021543624170558766
1.133 * [regime-testing]: Oracle error score: 0.012113504702866882
1.134 * [regime-testing]: End program error score: 0.021543624170558766