76.815 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.071 * * * [progress]: [2/2] Setting up program.
0.077 * [progress]: [Phase 2 of 3] Improving.
0.077 * [simplify]: Simplifying:
  (- (exp x) 1.0)
0.078 * * [simplify]: iteration 0: 4 enodes
0.080 * * [simplify]: iteration 1: 6 enodes
0.082 * * [simplify]: iteration 2: 7 enodes
0.085 * * [simplify]: iteration complete: 7 enodes
0.085 * * [simplify]: Extracting #0: cost 1 inf + 0
0.086 * * [simplify]: Extracting #1: cost 4 inf + 0
0.086 * * [simplify]: Extracting #2: cost 4 inf + 1
0.086 * * [simplify]: Extracting #3: cost 1 inf + 114
0.086 * * [simplify]: Extracting #4: cost 0 inf + 226
0.086 * [simplify]: Simplified to:
  (- (exp x) 1.0)
0.087 * * [progress]: iteration 1 / 4
0.087 * * * [progress]: picking best candidate
0.093 * * * * [pick]: Picked  #<alt (λ (x) (- (exp x) 1.0))>
0.093 * * * [progress]: localizing error
0.103 * * * [progress]: generating rewritten candidates
0.104 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.131 * * * [progress]: generating series expansions
0.131 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.131 * [backup-simplify]: Simplify (- (exp x) 1.0) into (- (exp x) 1.0)
0.131 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.131 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.131 * [taylor]: Taking taylor expansion of (exp x) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [backup-simplify]: Simplify (exp 0) into 1
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.132 * [backup-simplify]: Simplify 1.0 into 1.0
0.132 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.132 * [taylor]: Taking taylor expansion of (exp x) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [backup-simplify]: Simplify (exp 0) into 1
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.132 * [backup-simplify]: Simplify 1.0 into 1.0
0.133 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.134 * [backup-simplify]: Simplify (+ 1 (- 1.0)) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
0.136 * [backup-simplify]: Simplify (- 0) into 0
0.136 * [backup-simplify]: Simplify (+ 1 0) into 1
0.136 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
0.138 * [backup-simplify]: Simplify (- 0) into 0
0.139 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2
0.139 * [backup-simplify]: Simplify 1/2 into 1/2
0.141 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6
0.142 * [backup-simplify]: Simplify (- 0) into 0
0.142 * [backup-simplify]: Simplify (+ 1/6 0) into 1/6
0.143 * [backup-simplify]: Simplify 1/6 into 1/6
0.143 * [backup-simplify]: Simplify (+ (* 1/6 (pow x 3)) (+ (* 1/2 (pow x 2)) (* 1 x))) into (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
0.143 * [backup-simplify]: Simplify (- (exp (/ 1 x)) 1.0) into (- (exp (/ 1 x)) 1.0)
0.143 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.143 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.143 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.144 * [backup-simplify]: Simplify (/ 1 1) into 1
0.144 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
0.144 * [taylor]: Taking taylor expansion of 1.0 in x
0.144 * [backup-simplify]: Simplify 1.0 into 1.0
0.144 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.144 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify (/ 1 1) into 1
0.145 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
0.145 * [taylor]: Taking taylor expansion of 1.0 in x
0.145 * [backup-simplify]: Simplify 1.0 into 1.0
0.145 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.146 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) (- 1.0)) into (- (exp (/ 1 x)) 1.0)
0.146 * [backup-simplify]: Simplify (- (exp (/ 1 x)) 1.0) into (- (exp (/ 1 x)) 1.0)
0.146 * [backup-simplify]: Simplify (- 0) into 0
0.147 * [backup-simplify]: Simplify (+ 0 0) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [backup-simplify]: Simplify (+ 0 0) into 0
0.164 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify (- 0) into 0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.165 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify (- 0) into 0
0.166 * [backup-simplify]: Simplify (+ 0 0) into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.167 * [backup-simplify]: Simplify (+ 0 0) into 0
0.167 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.168 * [backup-simplify]: Simplify (+ 0 0) into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.168 * [backup-simplify]: Simplify (- (exp (/ 1 (/ 1 x))) 1.0) into (- (exp x) 1.0)
0.169 * [backup-simplify]: Simplify (- (exp (/ 1 (- x))) 1.0) into (- (exp (/ -1 x)) 1.0)
0.169 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.169 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.169 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.169 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.169 * [taylor]: Taking taylor expansion of -1 in x
0.169 * [backup-simplify]: Simplify -1 into -1
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.170 * [backup-simplify]: Simplify (/ -1 1) into -1
0.170 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
0.170 * [taylor]: Taking taylor expansion of 1.0 in x
0.170 * [backup-simplify]: Simplify 1.0 into 1.0
0.171 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.171 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.171 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.171 * [taylor]: Taking taylor expansion of -1 in x
0.171 * [backup-simplify]: Simplify -1 into -1
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (/ -1 1) into -1
0.171 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
0.171 * [taylor]: Taking taylor expansion of 1.0 in x
0.171 * [backup-simplify]: Simplify 1.0 into 1.0
0.172 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.172 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) (- 1.0)) into (- (exp (/ -1 x)) 1.0)
0.173 * [backup-simplify]: Simplify (- (exp (/ -1 x)) 1.0) into (- (exp (/ -1 x)) 1.0)
0.173 * [backup-simplify]: Simplify (- 0) into 0
0.173 * [backup-simplify]: Simplify (+ 0 0) into 0
0.173 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify (- 0) into 0
0.174 * [backup-simplify]: Simplify (+ 0 0) into 0
0.174 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify (- 0) into 0
0.176 * [backup-simplify]: Simplify (+ 0 0) into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (- 0) into 0
0.177 * [backup-simplify]: Simplify (+ 0 0) into 0
0.177 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (- 0) into 0
0.178 * [backup-simplify]: Simplify (+ 0 0) into 0
0.178 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify (- 0) into 0
0.179 * [backup-simplify]: Simplify (+ 0 0) into 0
0.179 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify (- (exp (/ -1 (/ 1 (- x)))) 1.0) into (- (exp x) 1.0)
0.179 * * * [progress]: simplifying candidates
0.180 * [simplify]: Simplifying:
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (fma 1 (exp x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma 1 (exp x) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma 1 (exp x) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (expm1 (- (exp x) 1.0))
  (log1p (- (exp x) 1.0))
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (/ (exp (exp x)) (exp 1.0))
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (cbrt (- (exp x) 1.0))
  (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (- (pow (exp x) 3) (pow 1.0 3))
  (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0)))
  (- 1.0)
  (- (* (exp x) (exp x)) (* 1.0 1.0))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 1.0)
  (- 1.0)
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.182 * * [simplify]: iteration 0: 66 enodes
0.217 * * [simplify]: iteration 1: 149 enodes
0.308 * * [simplify]: iteration 2: 300 enodes
0.541 * * [simplify]: iteration 3: 855 enodes
1.617 * * [simplify]: iteration 4: 2109 enodes
5.184 * * [simplify]: iteration complete: 5002 enodes
5.209 * * [simplify]: Extracting #0: cost 18 inf + 0
5.211 * * [simplify]: Extracting #1: cost 270 inf + 0
5.254 * * [simplify]: Extracting #2: cost 873 inf + 2462
5.308 * * [simplify]: Extracting #3: cost 682 inf + 56158
5.496 * * [simplify]: Extracting #4: cost 294 inf + 163151
5.718 * * [simplify]: Extracting #5: cost 54 inf + 228594
5.938 * * [simplify]: Extracting #6: cost 2 inf + 246574
6.072 * * [simplify]: Extracting #7: cost 0 inf + 247300
6.136 * [simplify]: Simplified to:
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (- (exp x) 1.0)
  (fma 1.0 -1 1.0)
  (expm1 (- (exp x) 1.0))
  (log1p (- (exp x) 1.0))
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (exp (- (exp x) 1.0))
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (cbrt (- (exp x) 1.0))
  (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (- (exp (* 3 x)) (* 1.0 (* 1.0 1.0)))
  (fma 1.0 (+ (exp x) 1.0) (* (exp x) (exp x)))
  (- 1.0)
  (* (+ (exp x) 1.0) (- (exp x) 1.0))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 1.0)
  (- 1.0)
  (fma (* x x) (fma x 1/6 1/2) x)
  (- (exp x) 1.0)
  (- (exp x) 1.0)
6.138 * * * [progress]: adding candidates to table
6.284 * * [progress]: iteration 2 / 4
6.284 * * * [progress]: picking best candidate
6.291 * * * * [pick]: Picked  #<alt (λ (x) (fma (* x x) (fma x 1/6 1/2) x))>
6.291 * * * [progress]: localizing error
6.308 * * * [progress]: generating rewritten candidates
6.308 * * * [progress]: generating series expansions
6.308 * * * [progress]: simplifying candidates
6.308 * [simplify]: Simplifying:
  
6.308 * * [simplify]: iteration 0: 0 enodes
6.309 * * [simplify]: iteration complete: 0 enodes
6.309 * * [simplify]: Extracting #0: cost 0 inf + 0
6.309 * [simplify]: Simplified to:
  
6.309 * * * [progress]: adding candidates to table
6.309 * [progress]: [Phase 3 of 3] Extracting.
6.316 * [simplify]: Simplifying:
  (fma (* x x) (fma x 1/6 1/2) x)
6.316 * * [simplify]: iteration 0: 6 enodes
6.317 * * [simplify]: iteration complete: 6 enodes
6.317 * * [simplify]: Extracting #0: cost 1 inf + 0
6.317 * * [simplify]: Extracting #1: cost 4 inf + 0
6.317 * * [simplify]: Extracting #2: cost 4 inf + 42
6.317 * * [simplify]: Extracting #3: cost 2 inf + 44
6.317 * * [simplify]: Extracting #4: cost 0 inf + 255
6.317 * [simplify]: Simplified to:
  (fma (* x x) (fma x 1/6 1/2) x)
11.986 * [regime-testing]: Baseline error score: 0.5117874584424267
12.003 * [regime-testing]: Oracle error score: 0.5117874584424267
12.003 * [regime-testing]: End program error score: 0.5117874584424267
12.137 * [regime-testing]: Target error score: 0.5245701800173517