3.695 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (exp (neg (- 1.0 (* x x))))
0.028 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.029 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.030 * * [simplify]: iteration  2 :  25  enodes  (cost  7 )
0.033 * * [simplify]: iteration  3 :  47  enodes  (cost  7 )
0.038 * * [simplify]: iteration  4 :  88  enodes  (cost  6 )
0.052 * * [simplify]: iteration  5 :  181  enodes  (cost  6 )
0.079 * * [simplify]: iteration  6 :  558  enodes  (cost  6 )
0.248 * * [simplify]: iteration  7 :  2047  enodes  (cost  6 )
0.741 * * [simplify]: iteration  done :  5000  enodes  (cost  6 )
0.741 * [simplify]: Simplified to:
   (exp (- (* x x) 1.0))
0.744 * * [progress]: iteration 1 / 4
0.744 * * * [progress]: picking best candidate
0.746 * * * * [pick]: Picked  #<alt (λ (x) (exp (- (* x x) 1.0)))>
0.746 * * * [progress]: localizing error
0.751 * * * [progress]: generating rewritten candidates
0.751 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.757 * * * [progress]: generating series expansions
0.757 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.757 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0
0.757 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.757 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.757 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.757 * [taylor]: Taking taylor expansion of x in x
0.758 * [taylor]: Taking taylor expansion of 1.0 in x
0.758 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.758 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.758 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.758 * [taylor]: Taking taylor expansion of x in x
0.758 * [taylor]: Taking taylor expansion of 1.0 in x
0.759 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.759 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.759 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.759 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.759 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.759 * [taylor]: Taking taylor expansion of x in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.760 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.760 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.760 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.760 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.760 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.760 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.760 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.761 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.761 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.761 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * * * [progress]: simplifying candidates
0.761 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (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)))
  (+ (* (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))
0.763 * * [simplify]: iteration  0 :  38  enodes  (cost  151 )
0.767 * * [simplify]: iteration  1 :  72  enodes  (cost  147 )
0.776 * * [simplify]: iteration  2 :  156  enodes  (cost  133 )
0.801 * * [simplify]: iteration  3 :  427  enodes  (cost  130 )
0.904 * * [simplify]: iteration  4 :  1647  enodes  (cost  130 )
1.385 * * [simplify]: iteration  done :  5000  enodes  (cost  130 )
1.385 * [simplify]: Simplified to:
   (exp (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (exp (sqrt (- (* x x) 1.0)))
  E
  (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)
  (- (pow x 2) 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 (- (pow x 2) 1.0)) 3)
  (sqrt (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (* (exp (neg 1.0)) (+ (* (pow x 4) 1/2) (+ (pow x 2) 1)))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
1.385 * * * [progress]: adding candidates to table
1.412 * * [progress]: iteration 2 / 4
1.412 * * * [progress]: picking best candidate
1.416 * * * * [pick]: Picked  #<alt (λ (x) (pow E (- (* x x) 1.0)))>
1.416 * * * [progress]: localizing error
1.421 * * * [progress]: generating rewritten candidates
1.421 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.427 * * * [progress]: generating series expansions
1.427 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.427 * [approximate]: Taking taylor expansion of (pow E (- (pow x 2) 1.0)) in (x) around 0
1.427 * [taylor]: Taking taylor expansion of (pow E (- (pow x 2) 1.0)) in x
1.427 * [taylor]: Taking taylor expansion of (exp (* (- (pow x 2) 1.0) (log E))) in x
1.427 * [taylor]: Taking taylor expansion of (* (- (pow x 2) 1.0) (log E)) in x
1.427 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
1.427 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.427 * [taylor]: Taking taylor expansion of x in x
1.427 * [taylor]: Taking taylor expansion of 1.0 in x
1.427 * [taylor]: Taking taylor expansion of (log E) in x
1.427 * [taylor]: Taking taylor expansion of E in x
1.427 * [taylor]: Taking taylor expansion of (pow E (- (pow x 2) 1.0)) in x
1.427 * [taylor]: Taking taylor expansion of (exp (* (- (pow x 2) 1.0) (log E))) in x
1.427 * [taylor]: Taking taylor expansion of (* (- (pow x 2) 1.0) (log E)) in x
1.427 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
1.427 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.428 * [taylor]: Taking taylor expansion of x in x
1.428 * [taylor]: Taking taylor expansion of 1.0 in x
1.428 * [taylor]: Taking taylor expansion of (log E) in x
1.428 * [taylor]: Taking taylor expansion of E in x
1.430 * [approximate]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
1.430 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x
1.430 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x
1.430 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x
1.430 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
1.430 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.430 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.430 * [taylor]: Taking taylor expansion of x in x
1.431 * [taylor]: Taking taylor expansion of 1.0 in x
1.431 * [taylor]: Taking taylor expansion of (log E) in x
1.431 * [taylor]: Taking taylor expansion of E in x
1.431 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x
1.431 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x
1.431 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x
1.431 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
1.431 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.431 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.431 * [taylor]: Taking taylor expansion of x in x
1.431 * [taylor]: Taking taylor expansion of 1.0 in x
1.431 * [taylor]: Taking taylor expansion of (log E) in x
1.431 * [taylor]: Taking taylor expansion of E in x
1.431 * [approximate]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
1.431 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x
1.431 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x
1.431 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x
1.431 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
1.431 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.431 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.432 * [taylor]: Taking taylor expansion of x in x
1.432 * [taylor]: Taking taylor expansion of 1.0 in x
1.432 * [taylor]: Taking taylor expansion of (log E) in x
1.432 * [taylor]: Taking taylor expansion of E in x
1.432 * [taylor]: Taking taylor expansion of (pow E (- (/ 1 (pow x 2)) 1.0)) in x
1.432 * [taylor]: Taking taylor expansion of (exp (* (- (/ 1 (pow x 2)) 1.0) (log E))) in x
1.432 * [taylor]: Taking taylor expansion of (* (- (/ 1 (pow x 2)) 1.0) (log E)) in x
1.432 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
1.432 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.432 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.432 * [taylor]: Taking taylor expansion of x in x
1.432 * [taylor]: Taking taylor expansion of 1.0 in x
1.432 * [taylor]: Taking taylor expansion of (log E) in x
1.432 * [taylor]: Taking taylor expansion of E in x
1.432 * * * [progress]: simplifying candidates
1.433 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 1 (- (* x x) 1.0))
  (* (log E) (- (* x x) 1.0))
  (* (log E) (- (* x x) 1.0))
  (* 1 (- (* x x) 1.0))
  (pow E (* x x))
  (pow E 1.0)
  (pow E (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (pow E (sqrt (- (* x x) 1.0)))
  (pow E 1)
  (pow E (+ x (sqrt 1.0)))
  (pow E (* x x))
  (pow E (neg 1.0))
  (pow E (* x x))
  (pow E (neg 1.0))
  (pow (* (cbrt E) (cbrt E)) (- (* x x) 1.0))
  (pow (cbrt E) (- (* x x) 1.0))
  (pow (sqrt E) (- (* x x) 1.0))
  (pow (sqrt E) (- (* x x) 1.0))
  (pow 1 (- (* x x) 1.0))
  (pow E (- (* x x) 1.0))
  (log (pow E (- (* x x) 1.0)))
  (exp (pow E (- (* x x) 1.0)))
  (* (cbrt (pow E (- (* x x) 1.0))) (cbrt (pow E (- (* x x) 1.0))))
  (cbrt (pow E (- (* x x) 1.0)))
  (* (* (pow E (- (* x x) 1.0)) (pow E (- (* x x) 1.0))) (pow E (- (* x x) 1.0)))
  (sqrt (pow E (- (* x x) 1.0)))
  (sqrt (pow E (- (* x x) 1.0)))
  (pow E (/ (- (* x x) 1.0) 2))
  (pow E (/ (- (* x x) 1.0) 2))
  (+ (* 1/2 (* (pow x 4) (exp -1.0))) (+ (* (pow x 2) (exp -1.0)) (exp -1.0)))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
1.434 * * [simplify]: iteration  0 :  53  enodes  (cost  265 )
1.441 * * [simplify]: iteration  1 :  120  enodes  (cost  244 )
1.460 * * [simplify]: iteration  2 :  321  enodes  (cost  228 )
1.511 * * [simplify]: iteration  3 :  780  enodes  (cost  226 )
1.700 * * [simplify]: iteration  4 :  2141  enodes  (cost  218 )
2.172 * * [simplify]: iteration  done :  5000  enodes  (cost  218 )
2.173 * [simplify]: Simplified to:
   (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (pow E (* x x))
  (pow E 1.0)
  (pow E (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (pow E (sqrt (- (* x x) 1.0)))
  E
  (pow E (+ x (sqrt 1.0)))
  (pow E (* x x))
  (pow E (neg 1.0))
  (pow E (* x x))
  (pow E (neg 1.0))
  (pow (* (cbrt E) (cbrt E)) (- (* x x) 1.0))
  (pow (cbrt E) (- (* x x) 1.0))
  (pow (sqrt E) (- (* x x) 1.0))
  (pow (sqrt E) (- (* x x) 1.0))
  1
  (exp (- (pow x 2) 1.0))
  (- (pow x 2) 1.0)
  (exp (exp (- (pow x 2) 1.0)))
  (* (cbrt (exp (- (pow x 2) 1.0))) (cbrt (exp (- (pow x 2) 1.0))))
  (cbrt (exp (- (pow x 2) 1.0)))
  (pow (exp (- (pow x 2) 1.0)) 3)
  (sqrt (exp (- (pow x 2) 1.0)))
  (sqrt (exp (- (pow x 2) 1.0)))
  (pow E (* 1/2 (- (pow x 2) 1.0)))
  (pow E (* 1/2 (- (pow x 2) 1.0)))
  (* (exp -1.0) (+ (+ (* x x) 1) (* 1/2 (pow x 4))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
2.173 * * * [progress]: adding candidates to table
2.205 * * [progress]: iteration 3 / 4
2.205 * * * [progress]: picking best candidate
2.207 * * * * [pick]: Picked  #<alt (λ (x) (* (exp (* x x)) (exp (neg 1.0))))>
2.207 * * * [progress]: localizing error
2.214 * * * [progress]: generating rewritten candidates
2.214 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.224 * * * [progress]: generating series expansions
2.224 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.224 * [approximate]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (pow x 2))) in (x) around 0
2.224 * [taylor]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (pow x 2))) in x
2.224 * [taylor]: Taking taylor expansion of (exp (neg 1.0)) in x
2.224 * [taylor]: Taking taylor expansion of (neg 1.0) in x
2.224 * [taylor]: Taking taylor expansion of 1.0 in x
2.224 * [taylor]: Taking taylor expansion of (exp (pow x 2)) in x
2.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.224 * [taylor]: Taking taylor expansion of x in x
2.224 * [taylor]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (pow x 2))) in x
2.224 * [taylor]: Taking taylor expansion of (exp (neg 1.0)) in x
2.224 * [taylor]: Taking taylor expansion of (neg 1.0) in x
2.224 * [taylor]: Taking taylor expansion of 1.0 in x
2.224 * [taylor]: Taking taylor expansion of (exp (pow x 2)) in x
2.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.224 * [taylor]: Taking taylor expansion of x in x
2.227 * [approximate]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (/ 1 (pow x 2)))) in (x) around 0
2.227 * [taylor]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (/ 1 (pow x 2)))) in x
2.227 * [taylor]: Taking taylor expansion of (exp (neg 1.0)) in x
2.227 * [taylor]: Taking taylor expansion of (neg 1.0) in x
2.227 * [taylor]: Taking taylor expansion of 1.0 in x
2.227 * [taylor]: Taking taylor expansion of (exp (/ 1 (pow x 2))) in x
2.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.227 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.227 * [taylor]: Taking taylor expansion of x in x
2.227 * [taylor]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (/ 1 (pow x 2)))) in x
2.227 * [taylor]: Taking taylor expansion of (exp (neg 1.0)) in x
2.227 * [taylor]: Taking taylor expansion of (neg 1.0) in x
2.227 * [taylor]: Taking taylor expansion of 1.0 in x
2.227 * [taylor]: Taking taylor expansion of (exp (/ 1 (pow x 2))) in x
2.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.227 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.227 * [taylor]: Taking taylor expansion of x in x
2.231 * [approximate]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (/ 1 (pow x 2)))) in (x) around 0
2.231 * [taylor]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (/ 1 (pow x 2)))) in x
2.231 * [taylor]: Taking taylor expansion of (exp (neg 1.0)) in x
2.231 * [taylor]: Taking taylor expansion of (neg 1.0) in x
2.231 * [taylor]: Taking taylor expansion of 1.0 in x
2.231 * [taylor]: Taking taylor expansion of (exp (/ 1 (pow x 2))) in x
2.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.231 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.231 * [taylor]: Taking taylor expansion of x in x
2.231 * [taylor]: Taking taylor expansion of (* (exp (neg 1.0)) (exp (/ 1 (pow x 2)))) in x
2.231 * [taylor]: Taking taylor expansion of (exp (neg 1.0)) in x
2.231 * [taylor]: Taking taylor expansion of (neg 1.0) in x
2.231 * [taylor]: Taking taylor expansion of 1.0 in x
2.231 * [taylor]: Taking taylor expansion of (exp (/ 1 (pow x 2))) in x
2.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.231 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.231 * [taylor]: Taking taylor expansion of x in x
2.235 * * * [progress]: simplifying candidates
2.236 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* x x)) (exp (neg 1.0)))
  (+ (* x x) (neg 1.0))
  (log (* (exp (* x x)) (exp (neg 1.0))))
  (exp (* (exp (* x x)) (exp (neg 1.0))))
  (* (* (* (exp (* x x)) (exp (* x x))) (exp (* x x))) (* (* (exp (neg 1.0)) (exp (neg 1.0))) (exp (neg 1.0))))
  (* (cbrt (* (exp (* x x)) (exp (neg 1.0)))) (cbrt (* (exp (* x x)) (exp (neg 1.0)))))
  (cbrt (* (exp (* x x)) (exp (neg 1.0))))
  (* (* (* (exp (* x x)) (exp (neg 1.0))) (* (exp (* x x)) (exp (neg 1.0)))) (* (exp (* x x)) (exp (neg 1.0))))
  (sqrt (* (exp (* x x)) (exp (neg 1.0))))
  (sqrt (* (exp (* x x)) (exp (neg 1.0))))
  (* (sqrt (exp (* x x))) (sqrt (exp (neg 1.0))))
  (* (sqrt (exp (* x x))) (sqrt (exp (neg 1.0))))
  (* (exp (* x x)) (* (cbrt (exp (neg 1.0))) (cbrt (exp (neg 1.0)))))
  (* (exp (* x x)) (sqrt (exp (neg 1.0))))
  (* (exp (* x x)) 1)
  (* (cbrt (exp (* x x))) (exp (neg 1.0)))
  (* (sqrt (exp (* x x))) (exp (neg 1.0)))
  (* (exp (* x x)) (exp (neg 1.0)))
  (* (exp (* x x)) 1)
  (* (exp (* x x)) (exp 0))
  (+ (* (exp (neg 1.0)) (pow x 2)) (+ (exp (neg 1.0)) (* 1/2 (* (exp (neg 1.0)) (pow x 4)))))
  (* (exp (neg 1.0)) (exp (pow x 2)))
  (* (exp (neg 1.0)) (exp (pow x 2)))
2.237 * * [simplify]: iteration  0 :  47  enodes  (cost  255 )
2.246 * * [simplify]: iteration  1 :  108  enodes  (cost  221 )
2.264 * * [simplify]: iteration  2 :  363  enodes  (cost  184 )
2.342 * * [simplify]: iteration  3 :  1186  enodes  (cost  179 )
2.665 * * [simplify]: iteration  4 :  3426  enodes  (cost  179 )
3.265 * * [simplify]: iteration  done :  5000  enodes  (cost  179 )
3.265 * [simplify]: Simplified to:
   (exp (- (* x x) 1.0))
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (exp (exp (- (pow x 2) 1.0)))
  (pow (exp (- (pow x 2) 1.0)) 3)
  (* (cbrt (exp (- (pow x 2) 1.0))) (cbrt (exp (- (pow x 2) 1.0))))
  (cbrt (exp (- (pow x 2) 1.0)))
  (pow (exp (- (pow x 2) 1.0)) 3)
  (sqrt (exp (- (pow x 2) 1.0)))
  (sqrt (exp (- (pow x 2) 1.0)))
  (* (sqrt (exp (* x x))) (sqrt (exp (neg 1.0))))
  (* (sqrt (exp (* x x))) (sqrt (exp (neg 1.0))))
  (* (exp (* x x)) (* (cbrt (exp (neg 1.0))) (cbrt (exp (neg 1.0)))))
  (* (exp (* x x)) (sqrt (exp (neg 1.0))))
  (pow (exp x) x)
  (/ (cbrt (pow (exp x) x)) (exp 1.0))
  (/ (sqrt (pow (exp x) x)) (exp 1.0))
  (exp (- (* x x) 1.0))
  (pow (exp x) x)
  (pow (exp x) x)
  (* (exp (neg 1.0)) (+ (+ (pow x 2) 1) (* (pow x 4) 1/2)))
  (exp (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
3.265 * * * [progress]: adding candidates to table
3.297 * [progress]: [Phase 3 of 3] Extracting.
3.297 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (pow E (- (* x x) 1.0)))> #<alt (λ (x) (* (exp (* x x)) (exp (neg 1.0))))> #<alt (λ (x) (exp (- (* x x) 1.0)))>)
3.297 * * * [regime-changes]: Trying 2 branch expressions: ((* x x) x)
3.297 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (pow E (- (* x x) 1.0)))> #<alt (λ (x) (* (exp (* x x)) (exp (neg 1.0))))> #<alt (λ (x) (exp (- (* x x) 1.0)))>)
3.325 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (pow E (- (* x x) 1.0)))> #<alt (λ (x) (* (exp (* x x)) (exp (neg 1.0))))> #<alt (λ (x) (exp (- (* x x) 1.0)))>)
3.352 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
3.352 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (exp (- (* x x) 1.0))
3.353 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
3.353 * * [simplify]: iteration  done :  5  enodes  (cost  6 )
3.353 * [simplify]: Simplified to:
   (exp (- (* x x) 1.0))
4.387 * [regime-testing]: End program error score: 0.014117449973426044