33.579 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.090 * * * [progress]: [2/2] Setting up program.
0.092 * [progress]: [Phase 2 of 3] Improving.
0.093 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (log (+ x (sqrt (- (* x x) 1)))))>
0.093 * [simplify]: Simplifying:
  (log (+ x (sqrt (- (* x x) 1))))
0.093 * * [simplify]: iteration 1: (7 enodes)
0.094 * * [simplify]: iteration 2: (14 enodes)
0.096 * * [simplify]: iteration 3: (17 enodes)
0.099 * * [simplify]: iteration 4: (33 enodes)
0.133 * * [simplify]: iteration 5: (58 enodes)
0.153 * * [simplify]: iteration 6: (95 enodes)
0.185 * * [simplify]: iteration 7: (232 enodes)
0.329 * * [simplify]: iteration 8: (442 enodes)
1.024 * * [simplify]: iteration 9: (1055 enodes)
4.037 * * [simplify]: Extracting #0: cost 1 inf + 0
4.037 * * [simplify]: Extracting #1: cost 2 inf + 0
4.037 * * [simplify]: Extracting #2: cost 4 inf + 0
4.037 * * [simplify]: Extracting #3: cost 5 inf + 1
4.038 * * [simplify]: Extracting #4: cost 145 inf + 2
4.041 * * [simplify]: Extracting #5: cost 497 inf + 2704
4.051 * * [simplify]: Extracting #6: cost 177 inf + 50310
4.070 * * [simplify]: Extracting #7: cost 6 inf + 77476
4.094 * * [simplify]: Extracting #8: cost 0 inf + 76309
4.118 * * [simplify]: Extracting #9: cost 0 inf + 75803
4.138 * [simplify]: Simplified to:
  (log (+ x (sqrt (+ -1 (* x x)))))
4.138 * * [progress]: iteration 1 / 4
4.138 * * * [progress]: picking best candidate
4.141 * * * * [pick]: Picked  #<alt (λ (x) (log (+ x (sqrt (- (* x x) 1)))))>
4.141 * * * [progress]: localizing error
4.154 * * * [progress]: generating rewritten candidates
4.154 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
4.166 * * * [progress]: generating series expansions
4.166 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
4.167 * [backup-simplify]: Simplify (sqrt (- (* x x) 1)) into (sqrt (- (pow x 2) 1))
4.167 * [approximate]: Taking taylor expansion of (sqrt (- (pow x 2) 1)) in (x) around 0
4.167 * [taylor]: Taking taylor expansion of (sqrt (- (pow x 2) 1)) in x
4.167 * [taylor]: Taking taylor expansion of (- (pow x 2) 1) in x
4.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.167 * [taylor]: Taking taylor expansion of x in x
4.167 * [backup-simplify]: Simplify 0 into 0
4.167 * [backup-simplify]: Simplify 1 into 1
4.167 * [taylor]: Taking taylor expansion of 1 in x
4.167 * [backup-simplify]: Simplify 1 into 1
4.167 * [backup-simplify]: Simplify (- 1) into -1
4.167 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.168 * [backup-simplify]: Simplify (sqrt -1) into (sqrt -1)
4.168 * [backup-simplify]: Simplify (- 0) into 0
4.168 * [backup-simplify]: Simplify (+ 0 0) into 0
4.169 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt -1))) into 0
4.169 * [taylor]: Taking taylor expansion of (sqrt (- (pow x 2) 1)) in x
4.169 * [taylor]: Taking taylor expansion of (- (pow x 2) 1) in x
4.169 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.169 * [taylor]: Taking taylor expansion of x in x
4.169 * [backup-simplify]: Simplify 0 into 0
4.169 * [backup-simplify]: Simplify 1 into 1
4.169 * [taylor]: Taking taylor expansion of 1 in x
4.169 * [backup-simplify]: Simplify 1 into 1
4.169 * [backup-simplify]: Simplify (- 1) into -1
4.169 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.170 * [backup-simplify]: Simplify (sqrt -1) into (sqrt -1)
4.170 * [backup-simplify]: Simplify (- 0) into 0
4.170 * [backup-simplify]: Simplify (+ 0 0) into 0
4.171 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt -1))) into 0
4.171 * [backup-simplify]: Simplify (sqrt -1) into (sqrt -1)
4.171 * [backup-simplify]: Simplify 0 into 0
4.171 * [backup-simplify]: Simplify (* 1 1) into 1
4.171 * [backup-simplify]: Simplify (- 0) into 0
4.172 * [backup-simplify]: Simplify (+ 1 0) into 1
4.173 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt -1))) into (/ 1/2 (sqrt -1))
4.174 * [backup-simplify]: Simplify (/ 1/2 (sqrt -1)) into (/ 1/2 (sqrt -1))
4.177 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.177 * [backup-simplify]: Simplify (- 0) into 0
4.178 * [backup-simplify]: Simplify (+ 0 0) into 0
4.179 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (sqrt -1)))))) (* 2 (sqrt -1))) into 0
4.179 * [backup-simplify]: Simplify 0 into 0
4.179 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.179 * [backup-simplify]: Simplify (- 0) into 0
4.180 * [backup-simplify]: Simplify (+ 0 0) into 0
4.182 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 (sqrt -1)) 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt -1))) into (/ 1/8 (sqrt -1))
4.182 * [backup-simplify]: Simplify (/ 1/8 (sqrt -1)) into (/ 1/8 (sqrt -1))
4.184 * [backup-simplify]: Simplify (+ (* (/ 1/8 (sqrt -1)) (pow x 4)) (+ (* (/ 1/2 (sqrt -1)) (pow x 2)) (sqrt -1))) into (+ (* 1/8 (/ (pow x 4) (sqrt -1))) (+ (* 1/2 (/ (pow x 2) (sqrt -1))) (sqrt -1)))
4.184 * [backup-simplify]: Simplify (sqrt (- (* (/ 1 x) (/ 1 x)) 1)) into (sqrt (- (/ 1 (pow x 2)) 1))
4.184 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1)) in (x) around 0
4.184 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1)) in x
4.184 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1) in x
4.184 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.184 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.184 * [taylor]: Taking taylor expansion of x in x
4.184 * [backup-simplify]: Simplify 0 into 0
4.184 * [backup-simplify]: Simplify 1 into 1
4.185 * [backup-simplify]: Simplify (* 1 1) into 1
4.185 * [backup-simplify]: Simplify (/ 1 1) into 1
4.185 * [taylor]: Taking taylor expansion of 1 in x
4.185 * [backup-simplify]: Simplify 1 into 1
4.185 * [backup-simplify]: Simplify (+ 1 0) into 1
4.185 * [backup-simplify]: Simplify (sqrt 1) into 1
4.186 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.187 * [backup-simplify]: Simplify (+ 0 0) into 0
4.187 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
4.187 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1)) in x
4.187 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1) in x
4.187 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.187 * [taylor]: Taking taylor expansion of x in x
4.187 * [backup-simplify]: Simplify 0 into 0
4.187 * [backup-simplify]: Simplify 1 into 1
4.187 * [backup-simplify]: Simplify (* 1 1) into 1
4.188 * [backup-simplify]: Simplify (/ 1 1) into 1
4.188 * [taylor]: Taking taylor expansion of 1 in x
4.188 * [backup-simplify]: Simplify 1 into 1
4.188 * [backup-simplify]: Simplify (+ 1 0) into 1
4.188 * [backup-simplify]: Simplify (sqrt 1) into 1
4.189 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.189 * [backup-simplify]: Simplify (+ 0 0) into 0
4.190 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
4.190 * [backup-simplify]: Simplify 1 into 1
4.190 * [backup-simplify]: Simplify 0 into 0
4.190 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.191 * [backup-simplify]: Simplify (- 1) into -1
4.191 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.192 * [backup-simplify]: Simplify (/ (- -1 (pow 0 2) (+)) (* 2 1)) into -1/2
4.192 * [backup-simplify]: Simplify -1/2 into -1/2
4.193 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.194 * [backup-simplify]: Simplify (- 0) into 0
4.194 * [backup-simplify]: Simplify (+ 0 0) into 0
4.195 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 -1/2)))) (* 2 1)) into 0
4.195 * [backup-simplify]: Simplify 0 into 0
4.195 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.196 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.196 * [backup-simplify]: Simplify (- 0) into 0
4.197 * [backup-simplify]: Simplify (+ 0 0) into 0
4.198 * [backup-simplify]: Simplify (/ (- 0 (pow -1/2 2) (+ (* 2 (* 0 0)))) (* 2 1)) into -1/8
4.198 * [backup-simplify]: Simplify -1/8 into -1/8
4.198 * [backup-simplify]: Simplify (+ (* -1/8 (pow (/ 1 x) 3)) (+ (* -1/2 (/ 1 x)) (* 1 (/ 1 (/ 1 x))))) into (- x (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))))
4.199 * [backup-simplify]: Simplify (sqrt (- (* (/ 1 (- x)) (/ 1 (- x))) 1)) into (sqrt (- (/ 1 (pow x 2)) 1))
4.199 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1)) in (x) around 0
4.199 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1)) in x
4.199 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1) in x
4.199 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.199 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.199 * [taylor]: Taking taylor expansion of x in x
4.199 * [backup-simplify]: Simplify 0 into 0
4.199 * [backup-simplify]: Simplify 1 into 1
4.199 * [backup-simplify]: Simplify (* 1 1) into 1
4.200 * [backup-simplify]: Simplify (/ 1 1) into 1
4.200 * [taylor]: Taking taylor expansion of 1 in x
4.200 * [backup-simplify]: Simplify 1 into 1
4.200 * [backup-simplify]: Simplify (+ 1 0) into 1
4.200 * [backup-simplify]: Simplify (sqrt 1) into 1
4.201 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.202 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.202 * [backup-simplify]: Simplify (+ 0 0) into 0
4.203 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
4.203 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1)) in x
4.203 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1) in x
4.203 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.203 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.203 * [taylor]: Taking taylor expansion of x in x
4.203 * [backup-simplify]: Simplify 0 into 0
4.203 * [backup-simplify]: Simplify 1 into 1
4.204 * [backup-simplify]: Simplify (* 1 1) into 1
4.204 * [backup-simplify]: Simplify (/ 1 1) into 1
4.204 * [taylor]: Taking taylor expansion of 1 in x
4.204 * [backup-simplify]: Simplify 1 into 1
4.204 * [backup-simplify]: Simplify (+ 1 0) into 1
4.205 * [backup-simplify]: Simplify (sqrt 1) into 1
4.205 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.206 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.207 * [backup-simplify]: Simplify (+ 0 0) into 0
4.207 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
4.207 * [backup-simplify]: Simplify 1 into 1
4.207 * [backup-simplify]: Simplify 0 into 0
4.208 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.209 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.210 * [backup-simplify]: Simplify (- 1) into -1
4.210 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.211 * [backup-simplify]: Simplify (/ (- -1 (pow 0 2) (+)) (* 2 1)) into -1/2
4.211 * [backup-simplify]: Simplify -1/2 into -1/2
4.212 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.213 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.214 * [backup-simplify]: Simplify (- 0) into 0
4.214 * [backup-simplify]: Simplify (+ 0 0) into 0
4.215 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 -1/2)))) (* 2 1)) into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.217 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.218 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.218 * [backup-simplify]: Simplify (- 0) into 0
4.218 * [backup-simplify]: Simplify (+ 0 0) into 0
4.220 * [backup-simplify]: Simplify (/ (- 0 (pow -1/2 2) (+ (* 2 (* 0 0)))) (* 2 1)) into -1/8
4.220 * [backup-simplify]: Simplify -1/8 into -1/8
4.220 * [backup-simplify]: Simplify (+ (* -1/8 (pow (/ 1 (- x)) 3)) (+ (* -1/2 (/ 1 (- x))) (* 1 (/ 1 (/ 1 (- x)))))) into (- (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))) x)
4.220 * * * [progress]: simplifying candidates
4.220 * * * * [progress]: [ 1 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (- (* x x) 1) 1/2))))>
4.221 * * * * [progress]: [ 2 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (sqrt (- (* x x) 1)) 1))))>
4.221 * * * * [progress]: [ 3 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (exp (log (sqrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 4 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (log (exp (sqrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 5 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (cbrt (sqrt (- (* x x) 1))) (cbrt (sqrt (- (* x x) 1)))) (cbrt (sqrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 6 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (cbrt (* (* (sqrt (- (* x x) 1)) (sqrt (- (* x x) 1))) (sqrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 7 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (* (cbrt (- (* x x) 1)) (cbrt (- (* x x) 1)))) (sqrt (cbrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 8 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (sqrt (- (* x x) 1))) (sqrt (sqrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 9 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt 1) (sqrt (- (* x x) 1))))))>
4.221 * * * * [progress]: [ 10 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (+ x (sqrt 1))) (sqrt (- x (sqrt 1)))))))>
4.221 * * * * [progress]: [ 11 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (+ x 1)) (sqrt (- x 1))))))>
4.221 * * * * [progress]: [ 12 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (+ x 1)) (sqrt (- x 1))))))>
4.221 * * * * [progress]: [ 13 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (sqrt (- (pow (* x x) 3) (pow 1 3))) (sqrt (+ (* (* x x) (* x x)) (+ (* 1 1) (* (* x x) 1))))))))>
4.221 * * * * [progress]: [ 14 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (sqrt (- (* (* x x) (* x x)) (* 1 1))) (sqrt (+ (* x x) 1))))))>
4.221 * * * * [progress]: [ 15 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (- (* x x) 1) (/ 1 2)))))>
4.221 * * * * [progress]: [ 16 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (sqrt (- (* x x) 1))) (sqrt (sqrt (- (* x x) 1)))))))>
4.221 * * * * [progress]: [ 17 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (fabs (sqrt (- (* x x) 1))))))>
4.222 * * * * [progress]: [ 18 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (* 1 (sqrt (- (* x x) 1))))))>
4.222 * * * * [progress]: [ 19 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (posit16->real (real->posit16 (sqrt (- (* x x) 1)))))))>
4.222 * * * * [progress]: [ 20 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (+ (* 1/8 (/ (pow x 4) (sqrt -1))) (+ (* 1/2 (/ (pow x 2) (sqrt -1))) (sqrt -1))))))>
4.222 * * * * [progress]: [ 21 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (- x (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x)))))))>
4.222 * * * * [progress]: [ 22 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ x (- (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))) x))))>
4.222 * [simplify]: Simplifying:
  (log (sqrt (- (* x x) 1)))
  (exp (sqrt (- (* x x) 1)))
  (* (cbrt (sqrt (- (* x x) 1))) (cbrt (sqrt (- (* x x) 1))))
  (cbrt (sqrt (- (* x x) 1)))
  (* (* (sqrt (- (* x x) 1)) (sqrt (- (* x x) 1))) (sqrt (- (* x x) 1)))
  (sqrt (* (cbrt (- (* x x) 1)) (cbrt (- (* x x) 1))))
  (sqrt (cbrt (- (* x x) 1)))
  (sqrt (sqrt (- (* x x) 1)))
  (sqrt (sqrt (- (* x x) 1)))
  (sqrt 1)
  (sqrt (- (* x x) 1))
  (sqrt (+ x (sqrt 1)))
  (sqrt (- x (sqrt 1)))
  (sqrt (+ x 1))
  (sqrt (- x 1))
  (sqrt (+ x 1))
  (sqrt (- x 1))
  (sqrt (- (pow (* x x) 3) (pow 1 3)))
  (sqrt (+ (* (* x x) (* x x)) (+ (* 1 1) (* (* x x) 1))))
  (sqrt (- (* (* x x) (* x x)) (* 1 1)))
  (sqrt (+ (* x x) 1))
  (/ 1 2)
  (sqrt (sqrt (- (* x x) 1)))
  (sqrt (sqrt (- (* x x) 1)))
  (real->posit16 (sqrt (- (* x x) 1)))
  (+ (* 1/8 (/ (pow x 4) (sqrt -1))) (+ (* 1/2 (/ (pow x 2) (sqrt -1))) (sqrt -1)))
  (- x (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))))
  (- (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))) x)
4.223 * * [simplify]: iteration 1: (64 enodes)
4.260 * * [simplify]: iteration 2: (131 enodes)
4.326 * * [simplify]: iteration 3: (250 enodes)
4.431 * * [simplify]: iteration 4: (554 enodes)
4.736 * * [simplify]: iteration 5: (1246 enodes)
6.840 * * [simplify]: Extracting #0: cost 21 inf + 0
6.840 * * [simplify]: Extracting #1: cost 80 inf + 2
6.842 * * [simplify]: Extracting #2: cost 352 inf + 46
6.846 * * [simplify]: Extracting #3: cost 632 inf + 7609
6.857 * * [simplify]: Extracting #4: cost 426 inf + 65618
6.879 * * [simplify]: Extracting #5: cost 86 inf + 193747
6.924 * * [simplify]: Extracting #6: cost 1 inf + 233243
6.965 * * [simplify]: Extracting #7: cost 0 inf + 234168
7.027 * [simplify]: Simplified to:
  (log (sqrt (- (* x x) 1)))
  (exp (sqrt (- (* x x) 1)))
  (* (cbrt (sqrt (- (* x x) 1))) (cbrt (sqrt (- (* x x) 1))))
  (cbrt (sqrt (- (* x x) 1)))
  (* (sqrt (- (* x x) 1)) (- (* x x) 1))
  (fabs (cbrt (- (* x x) 1)))
  (sqrt (cbrt (- (* x x) 1)))
  (sqrt (sqrt (- (* x x) 1)))
  (sqrt (sqrt (- (* x x) 1)))
  1
  (sqrt (- (* x x) 1))
  (sqrt (+ 1 x))
  (sqrt (+ -1 x))
  (sqrt (+ 1 x))
  (sqrt (+ -1 x))
  (sqrt (+ 1 x))
  (sqrt (+ -1 x))
  (sqrt (+ -1 (* (* (* x x) (* x x)) (* x x))))
  (sqrt (+ (+ (* x x) 1) (* (* x x) (* x x))))
  (sqrt (+ -1 (* (* x x) (* x x))))
  (sqrt (+ (* x x) 1))
  1/2
  (sqrt (sqrt (- (* x x) 1)))
  (sqrt (sqrt (- (* x x) 1)))
  (real->posit16 (sqrt (- (* x x) 1)))
  (+ (sqrt -1) (* (* x x) (+ (/ 1/2 (sqrt -1)) (/ (* x 1/8) (/ (sqrt -1) x)))))
  (+ (/ (/ -1/8 (* x x)) x) (- x (/ 1/2 x)))
  (+ (/ (/ 1/8 x) (* x x)) (- (/ 1/2 x) x))
7.030 * * * [progress]: adding candidates to table
7.197 * * [progress]: iteration 2 / 4
7.197 * * * [progress]: picking best candidate
7.202 * * * * [pick]: Picked  #<alt (λ (x) (log (+ x (* (sqrt (+ x 1)) (sqrt (- x 1))))))>
7.202 * * * [progress]: localizing error
7.239 * * * [progress]: generating rewritten candidates
7.239 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
7.284 * * * [progress]: generating series expansions
7.284 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
7.284 * [backup-simplify]: Simplify (* (sqrt (+ x 1)) (sqrt (- x 1))) into (sqrt (* (+ x 1) (- x 1)))
7.284 * [approximate]: Taking taylor expansion of (sqrt (* (+ x 1) (- x 1))) in (x) around 0
7.284 * [taylor]: Taking taylor expansion of (sqrt (* (+ x 1) (- x 1))) in x
7.284 * [taylor]: Taking taylor expansion of (* (+ x 1) (- x 1)) in x
7.284 * [taylor]: Taking taylor expansion of (+ x 1) in x
7.284 * [taylor]: Taking taylor expansion of x in x
7.284 * [backup-simplify]: Simplify 0 into 0
7.284 * [backup-simplify]: Simplify 1 into 1
7.284 * [taylor]: Taking taylor expansion of 1 in x
7.284 * [backup-simplify]: Simplify 1 into 1
7.284 * [taylor]: Taking taylor expansion of (- x 1) in x
7.284 * [taylor]: Taking taylor expansion of x in x
7.284 * [backup-simplify]: Simplify 0 into 0
7.285 * [backup-simplify]: Simplify 1 into 1
7.285 * [taylor]: Taking taylor expansion of 1 in x
7.285 * [backup-simplify]: Simplify 1 into 1
7.285 * [backup-simplify]: Simplify (+ 0 1) into 1
7.286 * [backup-simplify]: Simplify (- 1) into -1
7.286 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.286 * [backup-simplify]: Simplify (* 1 -1) into -1
7.287 * [backup-simplify]: Simplify (sqrt -1) into (sqrt -1)
7.287 * [backup-simplify]: Simplify (- 0) into 0
7.287 * [backup-simplify]: Simplify (+ 1 0) into 1
7.288 * [backup-simplify]: Simplify (+ 1 0) into 1
7.288 * [backup-simplify]: Simplify (+ (* 1 1) (* 1 -1)) into 0
7.289 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt -1))) into 0
7.289 * [taylor]: Taking taylor expansion of (sqrt (* (+ x 1) (- x 1))) in x
7.289 * [taylor]: Taking taylor expansion of (* (+ x 1) (- x 1)) in x
7.289 * [taylor]: Taking taylor expansion of (+ x 1) in x
7.289 * [taylor]: Taking taylor expansion of x in x
7.289 * [backup-simplify]: Simplify 0 into 0
7.289 * [backup-simplify]: Simplify 1 into 1
7.289 * [taylor]: Taking taylor expansion of 1 in x
7.289 * [backup-simplify]: Simplify 1 into 1
7.289 * [taylor]: Taking taylor expansion of (- x 1) in x
7.289 * [taylor]: Taking taylor expansion of x in x
7.289 * [backup-simplify]: Simplify 0 into 0
7.289 * [backup-simplify]: Simplify 1 into 1
7.289 * [taylor]: Taking taylor expansion of 1 in x
7.289 * [backup-simplify]: Simplify 1 into 1
7.290 * [backup-simplify]: Simplify (+ 0 1) into 1
7.290 * [backup-simplify]: Simplify (- 1) into -1
7.291 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.291 * [backup-simplify]: Simplify (* 1 -1) into -1
7.291 * [backup-simplify]: Simplify (sqrt -1) into (sqrt -1)
7.292 * [backup-simplify]: Simplify (- 0) into 0
7.292 * [backup-simplify]: Simplify (+ 1 0) into 1
7.292 * [backup-simplify]: Simplify (+ 1 0) into 1
7.293 * [backup-simplify]: Simplify (+ (* 1 1) (* 1 -1)) into 0
7.294 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt -1))) into 0
7.294 * [backup-simplify]: Simplify (sqrt -1) into (sqrt -1)
7.294 * [backup-simplify]: Simplify 0 into 0
7.294 * [backup-simplify]: Simplify (- 0) into 0
7.295 * [backup-simplify]: Simplify (+ 0 0) into 0
7.295 * [backup-simplify]: Simplify (+ 0 0) into 0
7.296 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1 1) (* 0 -1))) into 1
7.298 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 (sqrt -1))) into (/ 1/2 (sqrt -1))
7.299 * [backup-simplify]: Simplify (/ 1/2 (sqrt -1)) into (/ 1/2 (sqrt -1))
7.300 * [backup-simplify]: Simplify (- 0) into 0
7.300 * [backup-simplify]: Simplify (+ 0 0) into 0
7.300 * [backup-simplify]: Simplify (+ 0 0) into 0
7.301 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1 0) (+ (* 0 1) (* 0 -1)))) into 0
7.303 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (sqrt -1)))))) (* 2 (sqrt -1))) into 0
7.303 * [backup-simplify]: Simplify 0 into 0
7.303 * [backup-simplify]: Simplify (- 0) into 0
7.304 * [backup-simplify]: Simplify (+ 0 0) into 0
7.304 * [backup-simplify]: Simplify (+ 0 0) into 0
7.305 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 -1))))) into 0
7.309 * [backup-simplify]: Simplify (/ (- 0 (pow (/ 1/2 (sqrt -1)) 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt -1))) into (/ 1/8 (sqrt -1))
7.310 * [backup-simplify]: Simplify (/ 1/8 (sqrt -1)) into (/ 1/8 (sqrt -1))
7.312 * [backup-simplify]: Simplify (+ (* (/ 1/8 (sqrt -1)) (pow x 4)) (+ (* (/ 1/2 (sqrt -1)) (pow x 2)) (sqrt -1))) into (+ (* 1/8 (/ (pow x 4) (sqrt -1))) (+ (* 1/2 (/ (pow x 2) (sqrt -1))) (sqrt -1)))
7.312 * [backup-simplify]: Simplify (* (sqrt (+ (/ 1 x) 1)) (sqrt (- (/ 1 x) 1))) into (sqrt (* (+ (/ 1 x) 1) (- (/ 1 x) 1)))
7.312 * [approximate]: Taking taylor expansion of (sqrt (* (+ (/ 1 x) 1) (- (/ 1 x) 1))) in (x) around 0
7.312 * [taylor]: Taking taylor expansion of (sqrt (* (+ (/ 1 x) 1) (- (/ 1 x) 1))) in x
7.312 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1) (- (/ 1 x) 1)) in x
7.312 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1) in x
7.312 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.312 * [taylor]: Taking taylor expansion of x in x
7.312 * [backup-simplify]: Simplify 0 into 0
7.312 * [backup-simplify]: Simplify 1 into 1
7.313 * [backup-simplify]: Simplify (/ 1 1) into 1
7.313 * [taylor]: Taking taylor expansion of 1 in x
7.313 * [backup-simplify]: Simplify 1 into 1
7.313 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1) in x
7.313 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.313 * [taylor]: Taking taylor expansion of x in x
7.313 * [backup-simplify]: Simplify 0 into 0
7.313 * [backup-simplify]: Simplify 1 into 1
7.313 * [backup-simplify]: Simplify (/ 1 1) into 1
7.313 * [taylor]: Taking taylor expansion of 1 in x
7.313 * [backup-simplify]: Simplify 1 into 1
7.313 * [backup-simplify]: Simplify (+ 1 0) into 1
7.313 * [backup-simplify]: Simplify (+ 1 0) into 1
7.314 * [backup-simplify]: Simplify (* 1 1) into 1
7.314 * [backup-simplify]: Simplify (sqrt 1) into 1
7.314 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.315 * [backup-simplify]: Simplify (- 1) into -1
7.315 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.315 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.316 * [backup-simplify]: Simplify (+ 0 1) into 1
7.316 * [backup-simplify]: Simplify (+ (* 1 -1) (* 1 1)) into 0
7.316 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
7.316 * [taylor]: Taking taylor expansion of (sqrt (* (+ (/ 1 x) 1) (- (/ 1 x) 1))) in x
7.316 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1) (- (/ 1 x) 1)) in x
7.316 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1) in x
7.316 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.316 * [taylor]: Taking taylor expansion of x in x
7.316 * [backup-simplify]: Simplify 0 into 0
7.316 * [backup-simplify]: Simplify 1 into 1
7.317 * [backup-simplify]: Simplify (/ 1 1) into 1
7.317 * [taylor]: Taking taylor expansion of 1 in x
7.317 * [backup-simplify]: Simplify 1 into 1
7.317 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1) in x
7.317 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.317 * [taylor]: Taking taylor expansion of x in x
7.317 * [backup-simplify]: Simplify 0 into 0
7.317 * [backup-simplify]: Simplify 1 into 1
7.317 * [backup-simplify]: Simplify (/ 1 1) into 1
7.317 * [taylor]: Taking taylor expansion of 1 in x
7.317 * [backup-simplify]: Simplify 1 into 1
7.317 * [backup-simplify]: Simplify (+ 1 0) into 1
7.318 * [backup-simplify]: Simplify (+ 1 0) into 1
7.318 * [backup-simplify]: Simplify (* 1 1) into 1
7.318 * [backup-simplify]: Simplify (sqrt 1) into 1
7.318 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.319 * [backup-simplify]: Simplify (- 1) into -1
7.319 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.319 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.320 * [backup-simplify]: Simplify (+ 0 1) into 1
7.320 * [backup-simplify]: Simplify (+ (* 1 -1) (* 1 1)) into 0
7.320 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
7.320 * [backup-simplify]: Simplify 1 into 1
7.321 * [backup-simplify]: Simplify 0 into 0
7.321 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.321 * [backup-simplify]: Simplify (- 0) into 0
7.322 * [backup-simplify]: Simplify (+ 0 0) into 0
7.322 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.322 * [backup-simplify]: Simplify (+ 0 0) into 0
7.323 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1 -1) (* 0 1))) into -1
7.323 * [backup-simplify]: Simplify (/ (- -1 (pow 0 2) (+)) (* 2 1)) into -1/2
7.323 * [backup-simplify]: Simplify -1/2 into -1/2
7.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.324 * [backup-simplify]: Simplify (- 0) into 0
7.324 * [backup-simplify]: Simplify (+ 0 0) into 0
7.325 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.325 * [backup-simplify]: Simplify (+ 0 0) into 0
7.326 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1 0) (+ (* 0 -1) (* 0 1)))) into 0
7.327 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 -1/2)))) (* 2 1)) into 0
7.327 * [backup-simplify]: Simplify 0 into 0
7.327 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.327 * [backup-simplify]: Simplify (- 0) into 0
7.328 * [backup-simplify]: Simplify (+ 0 0) into 0
7.328 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.328 * [backup-simplify]: Simplify (+ 0 0) into 0
7.329 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 -1) (* 0 1))))) into 0
7.332 * [backup-simplify]: Simplify (/ (- 0 (pow -1/2 2) (+ (* 2 (* 0 0)))) (* 2 1)) into -1/8
7.333 * [backup-simplify]: Simplify -1/8 into -1/8
7.333 * [backup-simplify]: Simplify (+ (* -1/8 (pow (/ 1 x) 3)) (+ (* -1/2 (/ 1 x)) (* 1 (/ 1 (/ 1 x))))) into (- x (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))))
7.333 * [backup-simplify]: Simplify (* (sqrt (+ (/ 1 (- x)) 1)) (sqrt (- (/ 1 (- x)) 1))) into (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (- 1 (/ 1 x))))
7.333 * [approximate]: Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (- 1 (/ 1 x)))) in (x) around 0
7.333 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (- 1 (/ 1 x)))) in x
7.333 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1))) in x
7.333 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) 1)) in x
7.333 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1) in x
7.333 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.333 * [taylor]: Taking taylor expansion of x in x
7.333 * [backup-simplify]: Simplify 0 into 0
7.333 * [backup-simplify]: Simplify 1 into 1
7.334 * [backup-simplify]: Simplify (/ 1 1) into 1
7.334 * [taylor]: Taking taylor expansion of 1 in x
7.334 * [backup-simplify]: Simplify 1 into 1
7.334 * [backup-simplify]: Simplify (+ 1 0) into 1
7.334 * [backup-simplify]: Simplify (- 1) into -1
7.335 * [backup-simplify]: Simplify (sqrt 0) into 0
7.335 * [backup-simplify]: Simplify (- 1) into -1
7.336 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
7.336 * [taylor]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
7.336 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
7.336 * [taylor]: Taking taylor expansion of 1 in x
7.336 * [backup-simplify]: Simplify 1 into 1
7.336 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.336 * [taylor]: Taking taylor expansion of x in x
7.336 * [backup-simplify]: Simplify 0 into 0
7.336 * [backup-simplify]: Simplify 1 into 1
7.336 * [backup-simplify]: Simplify (/ 1 1) into 1
7.337 * [backup-simplify]: Simplify (- 1) into -1
7.337 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.337 * [backup-simplify]: Simplify (sqrt 0) into 0
7.338 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
7.338 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (- 1 (/ 1 x)))) in x
7.338 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1))) in x
7.338 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) 1)) in x
7.338 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1) in x
7.338 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.338 * [taylor]: Taking taylor expansion of x in x
7.338 * [backup-simplify]: Simplify 0 into 0
7.338 * [backup-simplify]: Simplify 1 into 1
7.338 * [backup-simplify]: Simplify (/ 1 1) into 1
7.338 * [taylor]: Taking taylor expansion of 1 in x
7.338 * [backup-simplify]: Simplify 1 into 1
7.339 * [backup-simplify]: Simplify (+ 1 0) into 1
7.339 * [backup-simplify]: Simplify (- 1) into -1
7.339 * [backup-simplify]: Simplify (sqrt 0) into 0
7.339 * [backup-simplify]: Simplify (- 1) into -1
7.340 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
7.340 * [taylor]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
7.340 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
7.340 * [taylor]: Taking taylor expansion of 1 in x
7.340 * [backup-simplify]: Simplify 1 into 1
7.340 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.340 * [taylor]: Taking taylor expansion of x in x
7.340 * [backup-simplify]: Simplify 0 into 0
7.340 * [backup-simplify]: Simplify 1 into 1
7.341 * [backup-simplify]: Simplify (/ 1 1) into 1
7.341 * [backup-simplify]: Simplify (- 1) into -1
7.341 * [backup-simplify]: Simplify (+ 0 -1) into -1
7.342 * [backup-simplify]: Simplify (sqrt 0) into 0
7.343 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
7.343 * [backup-simplify]: Simplify (* 0 0) into 0
7.343 * [backup-simplify]: Simplify 0 into 0
7.344 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (* +nan.0 0)) into 0
7.344 * [backup-simplify]: Simplify 0 into 0
7.345 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.345 * [backup-simplify]: Simplify (- 0) into 0
7.345 * [backup-simplify]: Simplify (+ 1 0) into 1
7.348 * [backup-simplify]: Simplify (/ (- 1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
7.349 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
7.350 * [backup-simplify]: Simplify (+ 0 1) into 1
7.350 * [backup-simplify]: Simplify (- 1) into -1
7.353 * [backup-simplify]: Simplify (/ (- -1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
7.355 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))) into (- +nan.0)
7.356 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
7.357 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.357 * [backup-simplify]: Simplify (- 0) into 0
7.357 * [backup-simplify]: Simplify (+ 0 0) into 0
7.361 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
7.362 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.362 * [backup-simplify]: Simplify (+ 0 0) into 0
7.362 * [backup-simplify]: Simplify (- 0) into 0
7.366 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
7.370 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0)))) into (- +nan.0)
7.370 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
7.371 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.371 * [backup-simplify]: Simplify (- 0) into 0
7.372 * [backup-simplify]: Simplify (+ 0 0) into 0
7.376 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
7.377 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.377 * [backup-simplify]: Simplify (+ 0 0) into 0
7.377 * [backup-simplify]: Simplify (- 0) into 0
7.382 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
7.387 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))))) into (- +nan.0)
7.387 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
7.389 * [backup-simplify]: Simplify (+ (* (- +nan.0) (pow (/ 1 (- x)) 2)) (+ (* (- +nan.0) (/ 1 (- x))) (- +nan.0))) into (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
7.389 * * * [progress]: simplifying candidates
7.389 * * * * [progress]: [ 1 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (* (+ x 1) (- x 1)) 1/2))))>
7.389 * * * * [progress]: [ 2 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (* (sqrt (+ x 1)) (sqrt (- x 1))) 1))))>
7.389 * * * * [progress]: [ 3 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (* (+ x 1) (- x 1)) (/ 1 2)))))>
7.389 * * * * [progress]: [ 4 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (pow (* (sqrt (+ x 1)) (sqrt (- x 1))) 1))))>
7.389 * * * * [progress]: [ 5 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (exp (+ (log (sqrt (+ x 1))) (log (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 6 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (exp (log (* (sqrt (+ x 1)) (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 7 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (log (exp (* (sqrt (+ x 1)) (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 8 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (cbrt (* (* (* (sqrt (+ x 1)) (sqrt (+ x 1))) (sqrt (+ x 1))) (* (* (sqrt (- x 1)) (sqrt (- x 1))) (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 9 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (cbrt (* (sqrt (+ x 1)) (sqrt (- x 1)))) (cbrt (* (sqrt (+ x 1)) (sqrt (- x 1))))) (cbrt (* (sqrt (+ x 1)) (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 10 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (cbrt (* (* (* (sqrt (+ x 1)) (sqrt (- x 1))) (* (sqrt (+ x 1)) (sqrt (- x 1)))) (* (sqrt (+ x 1)) (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 11 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (sqrt (* (+ x 1) (- x 1))))))>
7.389 * * * * [progress]: [ 12 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (* (sqrt (+ x 1)) (sqrt (- x 1)))) (sqrt (* (sqrt (+ x 1)) (sqrt (- x 1))))))))>
7.389 * * * * [progress]: [ 13 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (+ (pow x 3) (pow 1 3))) (sqrt (- (pow x 3) (pow 1 3)))) (* (sqrt (+ (* x x) (- (* 1 1) (* x 1)))) (sqrt (+ (* x x) (+ (* 1 1) (* x 1)))))))))>
7.389 * * * * [progress]: [ 14 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (+ (pow x 3) (pow 1 3))) (sqrt (- (* x x) (* 1 1)))) (* (sqrt (+ (* x x) (- (* 1 1) (* x 1)))) (sqrt (+ x 1)))))))>
7.389 * * * * [progress]: [ 15 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (- (* x x) (* 1 1))) (sqrt (- (pow x 3) (pow 1 3)))) (* (sqrt (- x 1)) (sqrt (+ (* x x) (+ (* 1 1) (* x 1)))))))))>
7.390 * * * * [progress]: [ 16 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (- (* x x) (* 1 1))) (sqrt (- (* x x) (* 1 1)))) (* (sqrt (- x 1)) (sqrt (+ x 1)))))))>
7.390 * * * * [progress]: [ 17 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* 1 (* (sqrt (+ x 1)) (sqrt (- x 1)))))))>
7.390 * * * * [progress]: [ 18 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1)))) (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))))))>
7.390 * * * * [progress]: [ 19 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1)))) (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))))))>
7.390 * * * * [progress]: [ 20 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1)))) (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))))))>
7.390 * * * * [progress]: [ 21 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1)))) (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))))))>
7.390 * * * * [progress]: [ 22 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (* (cbrt (sqrt (- x 1))) (cbrt (sqrt (- x 1))))) (cbrt (sqrt (- x 1)))))))>
7.390 * * * * [progress]: [ 23 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt (* (cbrt (- x 1)) (cbrt (- x 1))))) (sqrt (cbrt (- x 1)))))))>
7.390 * * * * [progress]: [ 24 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt (sqrt (- x 1)))) (sqrt (sqrt (- x 1)))))))>
7.390 * * * * [progress]: [ 25 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt 1)) (sqrt (- x 1))))))>
7.390 * * * * [progress]: [ 26 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt (+ (sqrt x) (sqrt 1)))) (sqrt (- (sqrt x) (sqrt 1)))))))>
7.390 * * * * [progress]: [ 27 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt (+ (sqrt x) 1))) (sqrt (- (sqrt x) 1))))))>
7.390 * * * * [progress]: [ 28 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt (+ (sqrt x) 1))) (sqrt (- (sqrt x) 1))))))>
7.390 * * * * [progress]: [ 29 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt 1)) (sqrt (- x 1))))))>
7.390 * * * * [progress]: [ 30 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) (sqrt (sqrt (- x 1)))) (sqrt (sqrt (- x 1)))))))>
7.390 * * * * [progress]: [ 31 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (sqrt (+ x 1)) 1) (sqrt (- x 1))))))>
7.390 * * * * [progress]: [ 32 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (* (cbrt (sqrt (+ x 1))) (cbrt (sqrt (+ x 1)))) (* (cbrt (sqrt (+ x 1))) (sqrt (- x 1)))))))>
7.390 * * * * [progress]: [ 33 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (* (cbrt (+ x 1)) (cbrt (+ x 1)))) (* (sqrt (cbrt (+ x 1))) (sqrt (- x 1)))))))>
7.391 * * * * [progress]: [ 34 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (sqrt (+ x 1))) (* (sqrt (sqrt (+ x 1))) (sqrt (- x 1)))))))>
7.391 * * * * [progress]: [ 35 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt 1) (* (sqrt (+ x 1)) (sqrt (- x 1)))))))>
7.391 * * * * [progress]: [ 36 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt 1) (* (sqrt (+ x 1)) (sqrt (- x 1)))))))>
7.391 * * * * [progress]: [ 37 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (sqrt (+ x 1))) (* (sqrt (sqrt (+ x 1))) (sqrt (- x 1)))))))>
7.391 * * * * [progress]: [ 38 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* 1 (* (sqrt (+ x 1)) (sqrt (- x 1)))))))>
7.391 * * * * [progress]: [ 39 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (+ x 1)) (sqrt (- (pow x 3) (pow 1 3)))) (sqrt (+ (* x x) (+ (* 1 1) (* x 1))))))))>
7.391 * * * * [progress]: [ 40 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (+ x 1)) (sqrt (- (* x x) (* 1 1)))) (sqrt (+ x 1))))))>
7.391 * * * * [progress]: [ 41 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (+ (pow x 3) (pow 1 3))) (sqrt (- x 1))) (sqrt (+ (* x x) (- (* 1 1) (* x 1))))))))>
7.391 * * * * [progress]: [ 42 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (/ (* (sqrt (- (* x x) (* 1 1))) (sqrt (- x 1))) (sqrt (- x 1))))))>
7.391 * * * * [progress]: [ 43 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (posit16->real (real->posit16 (* (sqrt (+ x 1)) (sqrt (- x 1))))))))>
7.391 * * * * [progress]: [ 44 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (* (sqrt (- x 1)) (sqrt (+ x 1))))))>
7.391 * * * * [progress]: [ 45 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (+ (* 1/8 (/ (pow x 4) (sqrt -1))) (+ (* 1/2 (/ (pow x 2) (sqrt -1))) (sqrt -1))))))>
7.391 * * * * [progress]: [ 46 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (- x (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x)))))))>
7.391 * * * * [progress]: [ 47 / 47 ] simplifiying candidate #<alt (λ (x) (log (+ x (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0))))))))>
7.392 * [simplify]: Simplifying:
  (* (+ x 1) (- x 1))
  (* (sqrt (+ x 1)) (sqrt (- x 1)))
  (* (+ x 1) (- x 1))
  (+ (log (sqrt (+ x 1))) (log (sqrt (- x 1))))
  (log (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (exp (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (* (* (* (sqrt (+ x 1)) (sqrt (+ x 1))) (sqrt (+ x 1))) (* (* (sqrt (- x 1)) (sqrt (- x 1))) (sqrt (- x 1))))
  (* (cbrt (* (sqrt (+ x 1)) (sqrt (- x 1)))) (cbrt (* (sqrt (+ x 1)) (sqrt (- x 1)))))
  (cbrt (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (* (* (* (sqrt (+ x 1)) (sqrt (- x 1))) (* (sqrt (+ x 1)) (sqrt (- x 1)))) (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (* (+ x 1) (- x 1))
  (sqrt (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (sqrt (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (* (sqrt (+ (pow x 3) (pow 1 3))) (sqrt (- (pow x 3) (pow 1 3))))
  (* (sqrt (+ (* x x) (- (* 1 1) (* x 1)))) (sqrt (+ (* x x) (+ (* 1 1) (* x 1)))))
  (* (sqrt (+ (pow x 3) (pow 1 3))) (sqrt (- (* x x) (* 1 1))))
  (* (sqrt (+ (* x x) (- (* 1 1) (* x 1)))) (sqrt (+ x 1)))
  (* (sqrt (- (* x x) (* 1 1))) (sqrt (- (pow x 3) (pow 1 3))))
  (* (sqrt (- x 1)) (sqrt (+ (* x x) (+ (* 1 1) (* x 1)))))
  (* (sqrt (- (* x x) (* 1 1))) (sqrt (- (* x x) (* 1 1))))
  (* (sqrt (- x 1)) (sqrt (+ x 1)))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (sqrt (+ x 1))) (sqrt (sqrt (- x 1))))
  (* (sqrt (+ x 1)) (* (cbrt (sqrt (- x 1))) (cbrt (sqrt (- x 1)))))
  (* (sqrt (+ x 1)) (sqrt (* (cbrt (- x 1)) (cbrt (- x 1)))))
  (* (sqrt (+ x 1)) (sqrt (sqrt (- x 1))))
  (* (sqrt (+ x 1)) (sqrt 1))
  (* (sqrt (+ x 1)) (sqrt (+ (sqrt x) (sqrt 1))))
  (* (sqrt (+ x 1)) (sqrt (+ (sqrt x) 1)))
  (* (sqrt (+ x 1)) (sqrt (+ (sqrt x) 1)))
  (* (sqrt (+ x 1)) (sqrt 1))
  (* (sqrt (+ x 1)) (sqrt (sqrt (- x 1))))
  (* (sqrt (+ x 1)) 1)
  (* (cbrt (sqrt (+ x 1))) (sqrt (- x 1)))
  (* (sqrt (cbrt (+ x 1))) (sqrt (- x 1)))
  (* (sqrt (sqrt (+ x 1))) (sqrt (- x 1)))
  (* (sqrt (+ x 1)) (sqrt (- x 1)))
  (* (sqrt (+ x 1)) (sqrt (- x 1)))
  (* (sqrt (sqrt (+ x 1))) (sqrt (- x 1)))
  (* (sqrt (+ x 1)) (sqrt (- x 1)))
  (* (sqrt (+ x 1)) (sqrt (- (pow x 3) (pow 1 3))))
  (* (sqrt (+ x 1)) (sqrt (- (* x x) (* 1 1))))
  (* (sqrt (+ (pow x 3) (pow 1 3))) (sqrt (- x 1)))
  (* (sqrt (- (* x x) (* 1 1))) (sqrt (- x 1)))
  (real->posit16 (* (sqrt (+ x 1)) (sqrt (- x 1))))
  (+ (* 1/8 (/ (pow x 4) (sqrt -1))) (+ (* 1/2 (/ (pow x 2) (sqrt -1))) (sqrt -1)))
  (- x (+ (* 1/8 (/ 1 (pow x 3))) (* 1/2 (/ 1 x))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
7.394 * * [simplify]: iteration 1: (110 enodes)
7.442 * * [simplify]: iteration 2: (225 enodes)
7.509 * * [simplify]: iteration 3: (457 enodes)
7.697 * * [simplify]: iteration 4: (1030 enodes)
8.554 * * [simplify]: Extracting #0: cost 31 inf + 0
8.554 * * [simplify]: Extracting #1: cost 168 inf + 0
8.557 * * [simplify]: Extracting #2: cost 381 inf + 132
8.563 * * [simplify]: Extracting #3: cost 407 inf + 9674
8.588 * * [simplify]: Extracting #4: cost 140 inf + 52393
8.619 * * [simplify]: Extracting #5: cost 21 inf + 85435
8.641 * * [simplify]: Extracting #6: cost 1 inf + 93679
8.660 * * [simplify]: Extracting #7: cost 0 inf + 93891
8.687 * [simplify]: Simplified to:
  (- (* x x) 1)
  (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))
  (- (* x x) 1)
  (log (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (log (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (exp (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (* (+ -1 x) (* (* (sqrt (+ 1 x)) (sqrt (+ -1 x))) (+ 1 x)))
  (* (cbrt (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))) (cbrt (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))))
  (cbrt (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (* (+ -1 x) (* (* (sqrt (+ 1 x)) (sqrt (+ -1 x))) (+ 1 x)))
  (- (* x x) 1)
  (sqrt (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (sqrt (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (* (sqrt (+ -1 (* (* x x) x))) (sqrt (+ 1 (* (* x x) x))))
  (* (sqrt (- (+ 1 (* x x)) x)) (sqrt (+ (* x x) (+ 1 x))))
  (* (sqrt (- (* x x) 1)) (sqrt (+ 1 (* (* x x) x))))
  (* (sqrt (- (+ 1 (* x x)) x)) (sqrt (+ 1 x)))
  (* (sqrt (+ -1 (* (* x x) x))) (sqrt (- (* x x) 1)))
  (* (sqrt (+ (* x x) (+ 1 x))) (sqrt (+ -1 x)))
  (- (* x x) 1)
  (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (sqrt (+ -1 x))))
  (* (* (cbrt (sqrt (+ -1 x))) (sqrt (+ 1 x))) (cbrt (sqrt (+ -1 x))))
  (* (fabs (cbrt (+ -1 x))) (sqrt (+ 1 x)))
  (* (sqrt (+ 1 x)) (sqrt (sqrt (+ -1 x))))
  (sqrt (+ 1 x))
  (* (sqrt (+ 1 x)) (sqrt (+ 1 (sqrt x))))
  (* (sqrt (+ 1 x)) (sqrt (+ 1 (sqrt x))))
  (* (sqrt (+ 1 x)) (sqrt (+ 1 (sqrt x))))
  (sqrt (+ 1 x))
  (* (sqrt (+ 1 x)) (sqrt (sqrt (+ -1 x))))
  (sqrt (+ 1 x))
  (* (cbrt (sqrt (+ 1 x))) (sqrt (+ -1 x)))
  (* (sqrt (cbrt (+ 1 x))) (sqrt (+ -1 x)))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (+ -1 x)))
  (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))
  (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))
  (* (sqrt (sqrt (+ 1 x))) (sqrt (+ -1 x)))
  (* (sqrt (+ 1 x)) (sqrt (+ -1 x)))
  (* (sqrt (+ -1 (* (* x x) x))) (sqrt (+ 1 x)))
  (* (sqrt (- (* x x) 1)) (sqrt (+ 1 x)))
  (* (sqrt (+ 1 (* (* x x) x))) (sqrt (+ -1 x)))
  (* (sqrt (- (* x x) 1)) (sqrt (+ -1 x)))
  (real->posit16 (* (sqrt (+ 1 x)) (sqrt (+ -1 x))))
  (+ (+ (/ (* x x) (/ (sqrt -1) (* (* x x) 1/8))) (sqrt -1)) (* 1/2 (/ (* x x) (sqrt -1))))
  (+ (/ -1/2 x) (- x (/ 1/8 (* (* x x) x))))
  (- (+ (/ (- (/ +nan.0 x)) x) (/ +nan.0 x)) +nan.0)
8.690 * * * [progress]: adding candidates to table
9.002 * [progress]: [Phase 3 of 3] Extracting.
9.005 * [simplify]: Simplifying:
  (log (+ x (* (sqrt (+ x 1)) (sqrt (- x 1)))))
9.005 * * [simplify]: iteration 1: (9 enodes)
9.006 * * [simplify]: iteration 2: (12 enodes)
9.006 * * [simplify]: Extracting #0: cost 1 inf + 0
9.006 * * [simplify]: Extracting #1: cost 2 inf + 0
9.006 * * [simplify]: Extracting #2: cost 4 inf + 0
9.006 * * [simplify]: Extracting #3: cost 5 inf + 1
9.006 * * [simplify]: Extracting #4: cost 7 inf + 1
9.006 * * [simplify]: Extracting #5: cost 8 inf + 1
9.006 * * [simplify]: Extracting #6: cost 0 inf + 1006
9.006 * [simplify]: Simplified to:
  (log (+ x (* (sqrt (+ 1 x)) (sqrt (- x 1)))))
13.245 * [regime-testing]: Baseline error score: 0.0796183446075548
13.248 * [regime-testing]: Oracle error score: 0.0796183446075548
13.248 * [regime-testing]: End program error score: 0.0796183446075548