2.809 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.025 * * [simplify]: iteration 0: 5 enodes
0.026 * * [simplify]: iteration 1: 11 enodes
0.028 * * [simplify]: iteration 2: 18 enodes
0.030 * * [simplify]: iteration 3: 35 enodes
0.037 * * [simplify]: iteration 4: 67 enodes
0.060 * * [simplify]: iteration 5: 160 enodes
0.103 * * [simplify]: iteration 6: 366 enodes
0.354 * * [simplify]: iteration 7: 901 enodes
2.164 * * [simplify]: iteration 8: 3866 enodes
4.151 * * [simplify]: iteration complete: 5000 enodes
4.151 * * [simplify]: Extracting #0: cost 1 inf + 0
4.153 * * [simplify]: Extracting #1: cost 251 inf + 0
4.164 * * [simplify]: Extracting #2: cost 671 inf + 485
4.173 * * [simplify]: Extracting #3: cost 153 inf + 5304
4.182 * * [simplify]: Extracting #4: cost 0 inf + 6977
4.191 * [simplify]: Simplified to:
  (- (* a a) (* b b))
4.191 * * [progress]: iteration 1 / 4
4.191 * * * [progress]: picking best candidate
4.196 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
4.196 * * * [progress]: localizing error
4.209 * * * [progress]: generating rewritten candidates
4.209 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.224 * * * [progress]: generating series expansions
4.224 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.224 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
4.224 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
4.224 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
4.224 * [taylor]: Taking taylor expansion of (pow a 2) in b
4.224 * [taylor]: Taking taylor expansion of a in b
4.224 * [backup-simplify]: Simplify a into a
4.224 * [taylor]: Taking taylor expansion of (pow b 2) in b
4.224 * [taylor]: Taking taylor expansion of b in b
4.224 * [backup-simplify]: Simplify 0 into 0
4.224 * [backup-simplify]: Simplify 1 into 1
4.224 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
4.224 * [taylor]: Taking taylor expansion of (pow a 2) in a
4.224 * [taylor]: Taking taylor expansion of a in a
4.224 * [backup-simplify]: Simplify 0 into 0
4.224 * [backup-simplify]: Simplify 1 into 1
4.224 * [taylor]: Taking taylor expansion of (pow b 2) in a
4.224 * [taylor]: Taking taylor expansion of b in a
4.224 * [backup-simplify]: Simplify b into b
4.224 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
4.224 * [taylor]: Taking taylor expansion of (pow a 2) in a
4.224 * [taylor]: Taking taylor expansion of a in a
4.225 * [backup-simplify]: Simplify 0 into 0
4.225 * [backup-simplify]: Simplify 1 into 1
4.225 * [taylor]: Taking taylor expansion of (pow b 2) in a
4.225 * [taylor]: Taking taylor expansion of b in a
4.225 * [backup-simplify]: Simplify b into b
4.225 * [backup-simplify]: Simplify (* b b) into (pow b 2)
4.225 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
4.225 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
4.225 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
4.225 * [taylor]: Taking taylor expansion of (pow b 2) in b
4.225 * [taylor]: Taking taylor expansion of b in b
4.225 * [backup-simplify]: Simplify 0 into 0
4.225 * [backup-simplify]: Simplify 1 into 1
4.225 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
4.226 * [backup-simplify]: Simplify (- 0) into 0
4.227 * [backup-simplify]: Simplify (+ 0 0) into 0
4.227 * [taylor]: Taking taylor expansion of 0 in b
4.227 * [backup-simplify]: Simplify 0 into 0
4.227 * [backup-simplify]: Simplify 0 into 0
4.227 * [backup-simplify]: Simplify (* 1 1) into 1
4.228 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
4.228 * [backup-simplify]: Simplify (- 0) into 0
4.228 * [backup-simplify]: Simplify (+ 1 0) into 1
4.228 * [taylor]: Taking taylor expansion of 1 in b
4.228 * [backup-simplify]: Simplify 1 into 1
4.229 * [backup-simplify]: Simplify 1 into 1
4.229 * [backup-simplify]: Simplify 0 into 0
4.229 * [backup-simplify]: Simplify (* 1 1) into 1
4.229 * [backup-simplify]: Simplify (- 1) into -1
4.229 * [backup-simplify]: Simplify -1 into -1
4.230 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.231 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
4.231 * [backup-simplify]: Simplify (- 0) into 0
4.232 * [backup-simplify]: Simplify (+ 0 0) into 0
4.232 * [taylor]: Taking taylor expansion of 0 in b
4.232 * [backup-simplify]: Simplify 0 into 0
4.232 * [backup-simplify]: Simplify 0 into 0
4.232 * [backup-simplify]: Simplify 0 into 0
4.232 * [backup-simplify]: Simplify 0 into 0
4.233 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.233 * [backup-simplify]: Simplify (- 0) into 0
4.233 * [backup-simplify]: Simplify 0 into 0
4.234 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.235 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
4.235 * [backup-simplify]: Simplify (- 0) into 0
4.236 * [backup-simplify]: Simplify (+ 0 0) into 0
4.236 * [taylor]: Taking taylor expansion of 0 in b
4.236 * [backup-simplify]: Simplify 0 into 0
4.236 * [backup-simplify]: Simplify 0 into 0
4.236 * [backup-simplify]: Simplify 0 into 0
4.236 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
4.236 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
4.236 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
4.236 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
4.236 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
4.236 * [taylor]: Taking taylor expansion of (pow a 2) in b
4.236 * [taylor]: Taking taylor expansion of a in b
4.236 * [backup-simplify]: Simplify a into a
4.236 * [backup-simplify]: Simplify (* a a) into (pow a 2)
4.236 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
4.236 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
4.236 * [taylor]: Taking taylor expansion of (pow b 2) in b
4.236 * [taylor]: Taking taylor expansion of b in b
4.236 * [backup-simplify]: Simplify 0 into 0
4.236 * [backup-simplify]: Simplify 1 into 1
4.237 * [backup-simplify]: Simplify (* 1 1) into 1
4.237 * [backup-simplify]: Simplify (/ 1 1) into 1
4.237 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
4.237 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
4.237 * [taylor]: Taking taylor expansion of (pow a 2) in a
4.237 * [taylor]: Taking taylor expansion of a in a
4.237 * [backup-simplify]: Simplify 0 into 0
4.237 * [backup-simplify]: Simplify 1 into 1
4.237 * [backup-simplify]: Simplify (* 1 1) into 1
4.238 * [backup-simplify]: Simplify (/ 1 1) into 1
4.238 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
4.238 * [taylor]: Taking taylor expansion of (pow b 2) in a
4.238 * [taylor]: Taking taylor expansion of b in a
4.238 * [backup-simplify]: Simplify b into b
4.238 * [backup-simplify]: Simplify (* b b) into (pow b 2)
4.238 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
4.238 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
4.238 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
4.238 * [taylor]: Taking taylor expansion of (pow a 2) in a
4.238 * [taylor]: Taking taylor expansion of a in a
4.238 * [backup-simplify]: Simplify 0 into 0
4.238 * [backup-simplify]: Simplify 1 into 1
4.238 * [backup-simplify]: Simplify (* 1 1) into 1
4.238 * [backup-simplify]: Simplify (/ 1 1) into 1
4.238 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
4.238 * [taylor]: Taking taylor expansion of (pow b 2) in a
4.238 * [taylor]: Taking taylor expansion of b in a
4.238 * [backup-simplify]: Simplify b into b
4.238 * [backup-simplify]: Simplify (* b b) into (pow b 2)
4.239 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
4.239 * [backup-simplify]: Simplify (+ 1 0) into 1
4.239 * [taylor]: Taking taylor expansion of 1 in b
4.239 * [backup-simplify]: Simplify 1 into 1
4.239 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.240 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.240 * [backup-simplify]: Simplify (+ 0 0) into 0
4.240 * [taylor]: Taking taylor expansion of 0 in b
4.240 * [backup-simplify]: Simplify 0 into 0
4.241 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.241 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.241 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
4.242 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
4.242 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
4.242 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
4.242 * [taylor]: Taking taylor expansion of (pow b 2) in b
4.242 * [taylor]: Taking taylor expansion of b in b
4.242 * [backup-simplify]: Simplify 0 into 0
4.242 * [backup-simplify]: Simplify 1 into 1
4.242 * [backup-simplify]: Simplify (* 1 1) into 1
4.242 * [backup-simplify]: Simplify (/ 1 1) into 1
4.242 * [backup-simplify]: Simplify (- 1) into -1
4.242 * [backup-simplify]: Simplify -1 into -1
4.242 * [backup-simplify]: Simplify 1 into 1
4.243 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.244 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.244 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
4.244 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
4.244 * [backup-simplify]: Simplify (- 0) into 0
4.244 * [backup-simplify]: Simplify (+ 0 0) into 0
4.244 * [taylor]: Taking taylor expansion of 0 in b
4.244 * [backup-simplify]: Simplify 0 into 0
4.245 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.245 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.245 * [backup-simplify]: Simplify (- 0) into 0
4.246 * [backup-simplify]: Simplify 0 into 0
4.246 * [backup-simplify]: Simplify 0 into 0
4.246 * [backup-simplify]: Simplify 0 into 0
4.246 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.247 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.247 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
4.247 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
4.248 * [backup-simplify]: Simplify (- 0) into 0
4.248 * [backup-simplify]: Simplify (+ 0 0) into 0
4.248 * [taylor]: Taking taylor expansion of 0 in b
4.248 * [backup-simplify]: Simplify 0 into 0
4.249 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.249 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.249 * [backup-simplify]: Simplify (- 0) into 0
4.249 * [backup-simplify]: Simplify 0 into 0
4.249 * [backup-simplify]: Simplify 0 into 0
4.249 * [backup-simplify]: Simplify 0 into 0
4.250 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
4.250 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
4.250 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
4.250 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
4.250 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
4.250 * [taylor]: Taking taylor expansion of (pow a 2) in b
4.250 * [taylor]: Taking taylor expansion of a in b
4.250 * [backup-simplify]: Simplify a into a
4.250 * [backup-simplify]: Simplify (* a a) into (pow a 2)
4.250 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
4.250 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
4.250 * [taylor]: Taking taylor expansion of (pow b 2) in b
4.250 * [taylor]: Taking taylor expansion of b in b
4.250 * [backup-simplify]: Simplify 0 into 0
4.250 * [backup-simplify]: Simplify 1 into 1
4.250 * [backup-simplify]: Simplify (* 1 1) into 1
4.251 * [backup-simplify]: Simplify (/ 1 1) into 1
4.251 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
4.251 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
4.251 * [taylor]: Taking taylor expansion of (pow a 2) in a
4.251 * [taylor]: Taking taylor expansion of a in a
4.251 * [backup-simplify]: Simplify 0 into 0
4.251 * [backup-simplify]: Simplify 1 into 1
4.251 * [backup-simplify]: Simplify (* 1 1) into 1
4.251 * [backup-simplify]: Simplify (/ 1 1) into 1
4.251 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
4.251 * [taylor]: Taking taylor expansion of (pow b 2) in a
4.251 * [taylor]: Taking taylor expansion of b in a
4.251 * [backup-simplify]: Simplify b into b
4.251 * [backup-simplify]: Simplify (* b b) into (pow b 2)
4.252 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
4.252 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
4.252 * [taylor]: Taking taylor expansion of (pow a 2) in a
4.252 * [taylor]: Taking taylor expansion of a in a
4.252 * [backup-simplify]: Simplify 0 into 0
4.252 * [backup-simplify]: Simplify 1 into 1
4.252 * [backup-simplify]: Simplify (* 1 1) into 1
4.252 * [backup-simplify]: Simplify (/ 1 1) into 1
4.252 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
4.252 * [taylor]: Taking taylor expansion of (pow b 2) in a
4.252 * [taylor]: Taking taylor expansion of b in a
4.252 * [backup-simplify]: Simplify b into b
4.252 * [backup-simplify]: Simplify (* b b) into (pow b 2)
4.252 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
4.253 * [backup-simplify]: Simplify (+ 1 0) into 1
4.253 * [taylor]: Taking taylor expansion of 1 in b
4.253 * [backup-simplify]: Simplify 1 into 1
4.253 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.254 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.254 * [backup-simplify]: Simplify (+ 0 0) into 0
4.254 * [taylor]: Taking taylor expansion of 0 in b
4.254 * [backup-simplify]: Simplify 0 into 0
4.255 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.255 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.255 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
4.256 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
4.256 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
4.256 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
4.256 * [taylor]: Taking taylor expansion of (pow b 2) in b
4.256 * [taylor]: Taking taylor expansion of b in b
4.256 * [backup-simplify]: Simplify 0 into 0
4.256 * [backup-simplify]: Simplify 1 into 1
4.256 * [backup-simplify]: Simplify (* 1 1) into 1
4.256 * [backup-simplify]: Simplify (/ 1 1) into 1
4.256 * [backup-simplify]: Simplify (- 1) into -1
4.256 * [backup-simplify]: Simplify -1 into -1
4.256 * [backup-simplify]: Simplify 1 into 1
4.257 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.258 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.258 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
4.258 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
4.258 * [backup-simplify]: Simplify (- 0) into 0
4.258 * [backup-simplify]: Simplify (+ 0 0) into 0
4.258 * [taylor]: Taking taylor expansion of 0 in b
4.258 * [backup-simplify]: Simplify 0 into 0
4.259 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.259 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.260 * [backup-simplify]: Simplify (- 0) into 0
4.260 * [backup-simplify]: Simplify 0 into 0
4.260 * [backup-simplify]: Simplify 0 into 0
4.260 * [backup-simplify]: Simplify 0 into 0
4.260 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.261 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.261 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
4.262 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
4.262 * [backup-simplify]: Simplify (- 0) into 0
4.262 * [backup-simplify]: Simplify (+ 0 0) into 0
4.262 * [taylor]: Taking taylor expansion of 0 in b
4.262 * [backup-simplify]: Simplify 0 into 0
4.263 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.263 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.263 * [backup-simplify]: Simplify (- 0) into 0
4.263 * [backup-simplify]: Simplify 0 into 0
4.264 * [backup-simplify]: Simplify 0 into 0
4.264 * [backup-simplify]: Simplify 0 into 0
4.264 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
4.264 * * * [progress]: simplifying candidates
4.264 * [simplify]: Simplifying:
  (fma a a (- (* b b)))
  (fma (- b) b (* b b))
  (expm1 (- (* a a) (* b b)))
  (log1p (- (* a a) (* b b)))
  (- (* b b))
  (/ (exp (* a a)) (exp (* b b)))
  (log (- (* a a) (* b b)))
  (exp (- (* a a) (* b b)))
  (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b))))
  (cbrt (- (* a a) (* b b)))
  (* (* (- (* a a) (* b b)) (- (* a a) (* b b))) (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow (* a a) 3) (pow (* b b) 3))
  (+ (* (* a a) (* a a)) (+ (* (* b b) (* b b)) (* (* a a) (* b b))))
  (- (* b b))
  (- (* (* a a) (* a a)) (* (* b b) (* b b)))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (* b b))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
4.265 * * [simplify]: iteration 0: 38 enodes
4.275 * * [simplify]: iteration 1: 118 enodes
4.375 * * [simplify]: iteration 2: 646 enodes
4.830 * * [simplify]: iteration complete: 5000 enodes
4.830 * * [simplify]: Extracting #0: cost 17 inf + 0
4.832 * * [simplify]: Extracting #1: cost 513 inf + 0
4.842 * * [simplify]: Extracting #2: cost 1932 inf + 317
4.855 * * [simplify]: Extracting #3: cost 812 inf + 7627
4.868 * * [simplify]: Extracting #4: cost 122 inf + 13392
4.881 * * [simplify]: Extracting #5: cost 25 inf + 14080
4.900 * * [simplify]: Extracting #6: cost 0 inf + 14295
4.913 * [simplify]: Simplified to:
  (* (+ a b) (- a b))
  (* b (+ (- b) b))
  (expm1 (* (+ a b) (- a b)))
  (log1p (* (+ a b) (- a b)))
  (- (* b b))
  (pow (exp (+ a b)) (- a b))
  (log (* (+ a b) (- a b)))
  (pow (exp (+ a b)) (- a b))
  (* (cbrt (* (+ a b) (- a b))) (cbrt (* (+ a b) (- a b))))
  (cbrt (* (+ a b) (- a b)))
  (pow (* (+ a b) (- a b)) 3)
  (sqrt (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (- (pow a 6) (pow b 6))
  (fma b (fma (* a a) b (pow b 3)) (pow a 4))
  (- (* b b))
  (- (pow a 4) (pow b 4))
  (fma a a (* b b))
  (+ a b)
  (- a b)
  (- (* b b))
  (* (+ a b) (- a b))
  (* (+ a b) (- a b))
  (* (+ a b) (- a b))
4.913 * * * [progress]: adding candidates to table
5.024 * * [progress]: iteration 2 / 4
5.024 * * * [progress]: picking best candidate
5.029 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
5.029 * * * [progress]: localizing error
5.043 * * * [progress]: generating rewritten candidates
5.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
5.106 * * * [progress]: generating series expansions
5.106 * * * * [progress]: [ 1 / 1 ] generating series at (2)
5.106 * [backup-simplify]: Simplify (* (+ a b) (- a b)) into (* (+ a b) (- a b))
5.106 * [approximate]: Taking taylor expansion of (* (+ a b) (- a b)) in (a b) around 0
5.106 * [taylor]: Taking taylor expansion of (* (+ a b) (- a b)) in b
5.107 * [taylor]: Taking taylor expansion of (+ a b) in b
5.107 * [taylor]: Taking taylor expansion of a in b
5.107 * [backup-simplify]: Simplify a into a
5.107 * [taylor]: Taking taylor expansion of b in b
5.107 * [backup-simplify]: Simplify 0 into 0
5.107 * [backup-simplify]: Simplify 1 into 1
5.107 * [taylor]: Taking taylor expansion of (- a b) in b
5.107 * [taylor]: Taking taylor expansion of a in b
5.107 * [backup-simplify]: Simplify a into a
5.107 * [taylor]: Taking taylor expansion of b in b
5.107 * [backup-simplify]: Simplify 0 into 0
5.107 * [backup-simplify]: Simplify 1 into 1
5.107 * [taylor]: Taking taylor expansion of (* (+ a b) (- a b)) in a
5.107 * [taylor]: Taking taylor expansion of (+ a b) in a
5.107 * [taylor]: Taking taylor expansion of a in a
5.107 * [backup-simplify]: Simplify 0 into 0
5.107 * [backup-simplify]: Simplify 1 into 1
5.107 * [taylor]: Taking taylor expansion of b in a
5.107 * [backup-simplify]: Simplify b into b
5.107 * [taylor]: Taking taylor expansion of (- a b) in a
5.107 * [taylor]: Taking taylor expansion of a in a
5.107 * [backup-simplify]: Simplify 0 into 0
5.107 * [backup-simplify]: Simplify 1 into 1
5.107 * [taylor]: Taking taylor expansion of b in a
5.107 * [backup-simplify]: Simplify b into b
5.107 * [taylor]: Taking taylor expansion of (* (+ a b) (- a b)) in a
5.107 * [taylor]: Taking taylor expansion of (+ a b) in a
5.107 * [taylor]: Taking taylor expansion of a in a
5.107 * [backup-simplify]: Simplify 0 into 0
5.107 * [backup-simplify]: Simplify 1 into 1
5.107 * [taylor]: Taking taylor expansion of b in a
5.107 * [backup-simplify]: Simplify b into b
5.107 * [taylor]: Taking taylor expansion of (- a b) in a
5.107 * [taylor]: Taking taylor expansion of a in a
5.107 * [backup-simplify]: Simplify 0 into 0
5.107 * [backup-simplify]: Simplify 1 into 1
5.107 * [taylor]: Taking taylor expansion of b in a
5.107 * [backup-simplify]: Simplify b into b
5.108 * [backup-simplify]: Simplify (+ 0 b) into b
5.108 * [backup-simplify]: Simplify (- b) into (- b)
5.108 * [backup-simplify]: Simplify (+ 0 (- b)) into (- b)
5.108 * [backup-simplify]: Simplify (* b (- b)) into (* -1 (pow b 2))
5.108 * [taylor]: Taking taylor expansion of (* -1 (pow b 2)) in b
5.108 * [taylor]: Taking taylor expansion of -1 in b
5.108 * [backup-simplify]: Simplify -1 into -1
5.108 * [taylor]: Taking taylor expansion of (pow b 2) in b
5.108 * [taylor]: Taking taylor expansion of b in b
5.108 * [backup-simplify]: Simplify 0 into 0
5.108 * [backup-simplify]: Simplify 1 into 1
5.109 * [backup-simplify]: Simplify (- 0) into 0
5.109 * [backup-simplify]: Simplify (+ 1 0) into 1
5.110 * [backup-simplify]: Simplify (+ 1 0) into 1
5.110 * [backup-simplify]: Simplify (+ (* b 1) (* 1 (- b))) into 0
5.110 * [taylor]: Taking taylor expansion of 0 in b
5.110 * [backup-simplify]: Simplify 0 into 0
5.110 * [backup-simplify]: Simplify 0 into 0
5.110 * [backup-simplify]: Simplify (- 0) into 0
5.111 * [backup-simplify]: Simplify (+ 0 0) into 0
5.111 * [backup-simplify]: Simplify (+ 0 0) into 0
5.112 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 1 1) (* 0 (- b)))) into 1
5.112 * [taylor]: Taking taylor expansion of 1 in b
5.112 * [backup-simplify]: Simplify 1 into 1
5.112 * [backup-simplify]: Simplify 1 into 1
5.112 * [backup-simplify]: Simplify 0 into 0
5.112 * [backup-simplify]: Simplify (* 1 1) into 1
5.113 * [backup-simplify]: Simplify (* -1 1) into -1
5.113 * [backup-simplify]: Simplify -1 into -1
5.113 * [backup-simplify]: Simplify (- 0) into 0
5.113 * [backup-simplify]: Simplify (+ 0 0) into 0
5.114 * [backup-simplify]: Simplify (+ 0 0) into 0
5.115 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- b))))) into 0
5.115 * [taylor]: Taking taylor expansion of 0 in b
5.115 * [backup-simplify]: Simplify 0 into 0
5.115 * [backup-simplify]: Simplify 0 into 0
5.115 * [backup-simplify]: Simplify 0 into 0
5.115 * [backup-simplify]: Simplify 0 into 0
5.116 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.116 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1)) into 0
5.116 * [backup-simplify]: Simplify 0 into 0
5.117 * [backup-simplify]: Simplify (- 0) into 0
5.117 * [backup-simplify]: Simplify (+ 0 0) into 0
5.118 * [backup-simplify]: Simplify (+ 0 0) into 0
5.119 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- b)))))) into 0
5.119 * [taylor]: Taking taylor expansion of 0 in b
5.119 * [backup-simplify]: Simplify 0 into 0
5.119 * [backup-simplify]: Simplify 0 into 0
5.119 * [backup-simplify]: Simplify 0 into 0
5.120 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
5.120 * [backup-simplify]: Simplify (* (+ (/ 1 a) (/ 1 b)) (- (/ 1 a) (/ 1 b))) into (* (+ (/ 1 a) (/ 1 b)) (- (/ 1 a) (/ 1 b)))
5.120 * [approximate]: Taking taylor expansion of (* (+ (/ 1 a) (/ 1 b)) (- (/ 1 a) (/ 1 b))) in (a b) around 0
5.120 * [taylor]: Taking taylor expansion of (* (+ (/ 1 a) (/ 1 b)) (- (/ 1 a) (/ 1 b))) in b
5.120 * [taylor]: Taking taylor expansion of (+ (/ 1 a) (/ 1 b)) in b
5.120 * [taylor]: Taking taylor expansion of (/ 1 a) in b
5.120 * [taylor]: Taking taylor expansion of a in b
5.120 * [backup-simplify]: Simplify a into a
5.120 * [backup-simplify]: Simplify (/ 1 a) into (/ 1 a)
5.120 * [taylor]: Taking taylor expansion of (/ 1 b) in b
5.120 * [taylor]: Taking taylor expansion of b in b
5.120 * [backup-simplify]: Simplify 0 into 0
5.120 * [backup-simplify]: Simplify 1 into 1
5.121 * [backup-simplify]: Simplify (/ 1 1) into 1
5.121 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in b
5.121 * [taylor]: Taking taylor expansion of (/ 1 a) in b
5.121 * [taylor]: Taking taylor expansion of a in b
5.121 * [backup-simplify]: Simplify a into a
5.121 * [backup-simplify]: Simplify (/ 1 a) into (/ 1 a)
5.121 * [taylor]: Taking taylor expansion of (/ 1 b) in b
5.121 * [taylor]: Taking taylor expansion of b in b
5.121 * [backup-simplify]: Simplify 0 into 0
5.121 * [backup-simplify]: Simplify 1 into 1
5.121 * [backup-simplify]: Simplify (/ 1 1) into 1
5.121 * [taylor]: Taking taylor expansion of (* (+ (/ 1 a) (/ 1 b)) (- (/ 1 a) (/ 1 b))) in a
5.121 * [taylor]: Taking taylor expansion of (+ (/ 1 a) (/ 1 b)) in a
5.121 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.121 * [taylor]: Taking taylor expansion of a in a
5.121 * [backup-simplify]: Simplify 0 into 0
5.121 * [backup-simplify]: Simplify 1 into 1
5.122 * [backup-simplify]: Simplify (/ 1 1) into 1
5.122 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.122 * [taylor]: Taking taylor expansion of b in a
5.122 * [backup-simplify]: Simplify b into b
5.122 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.122 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
5.122 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.122 * [taylor]: Taking taylor expansion of a in a
5.122 * [backup-simplify]: Simplify 0 into 0
5.122 * [backup-simplify]: Simplify 1 into 1
5.122 * [backup-simplify]: Simplify (/ 1 1) into 1
5.122 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.123 * [taylor]: Taking taylor expansion of b in a
5.123 * [backup-simplify]: Simplify b into b
5.123 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.123 * [taylor]: Taking taylor expansion of (* (+ (/ 1 a) (/ 1 b)) (- (/ 1 a) (/ 1 b))) in a
5.123 * [taylor]: Taking taylor expansion of (+ (/ 1 a) (/ 1 b)) in a
5.123 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.123 * [taylor]: Taking taylor expansion of a in a
5.123 * [backup-simplify]: Simplify 0 into 0
5.123 * [backup-simplify]: Simplify 1 into 1
5.123 * [backup-simplify]: Simplify (/ 1 1) into 1
5.123 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.123 * [taylor]: Taking taylor expansion of b in a
5.123 * [backup-simplify]: Simplify b into b
5.123 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.123 * [taylor]: Taking taylor expansion of (- (/ 1 a) (/ 1 b)) in a
5.123 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.123 * [taylor]: Taking taylor expansion of a in a
5.123 * [backup-simplify]: Simplify 0 into 0
5.123 * [backup-simplify]: Simplify 1 into 1
5.124 * [backup-simplify]: Simplify (/ 1 1) into 1
5.124 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.124 * [taylor]: Taking taylor expansion of b in a
5.124 * [backup-simplify]: Simplify b into b
5.124 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.124 * [backup-simplify]: Simplify (+ 1 0) into 1
5.125 * [backup-simplify]: Simplify (+ 1 0) into 1
5.125 * [backup-simplify]: Simplify (* 1 1) into 1
5.125 * [taylor]: Taking taylor expansion of 1 in b
5.125 * [backup-simplify]: Simplify 1 into 1
5.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.126 * [backup-simplify]: Simplify (- (/ 1 b)) into (- (/ 1 b))
5.126 * [backup-simplify]: Simplify (+ 0 (- (/ 1 b))) into (- (/ 1 b))
5.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.127 * [backup-simplify]: Simplify (+ 0 (/ 1 b)) into (/ 1 b)
5.127 * [backup-simplify]: Simplify (+ (* 1 (- (/ 1 b))) (* (/ 1 b) 1)) into 0
5.127 * [taylor]: Taking taylor expansion of 0 in b
5.128 * [backup-simplify]: Simplify 0 into 0
5.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.129 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
5.129 * [backup-simplify]: Simplify (- 0) into 0
5.129 * [backup-simplify]: Simplify (+ 0 0) into 0
5.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.130 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
5.131 * [backup-simplify]: Simplify (+ 0 0) into 0
5.132 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 b) (- (/ 1 b))) (* 0 1))) into (- (/ 1 (pow b 2)))
5.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
5.132 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
5.132 * [taylor]: Taking taylor expansion of (pow b 2) in b
5.132 * [taylor]: Taking taylor expansion of b in b
5.132 * [backup-simplify]: Simplify 0 into 0
5.132 * [backup-simplify]: Simplify 1 into 1
5.132 * [backup-simplify]: Simplify (* 1 1) into 1
5.133 * [backup-simplify]: Simplify (/ 1 1) into 1
5.133 * [backup-simplify]: Simplify (- 1) into -1
5.133 * [backup-simplify]: Simplify -1 into -1
5.133 * [backup-simplify]: Simplify 1 into 1
5.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.134 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.135 * [backup-simplify]: Simplify (- 0) into 0
5.135 * [backup-simplify]: Simplify (+ 0 0) into 0
5.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.136 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.137 * [backup-simplify]: Simplify (+ 0 0) into 0
5.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 b) 0) (+ (* 0 (- (/ 1 b))) (* 0 1)))) into 0
5.138 * [taylor]: Taking taylor expansion of 0 in b
5.138 * [backup-simplify]: Simplify 0 into 0
5.138 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.140 * [backup-simplify]: Simplify (- 0) into 0
5.140 * [backup-simplify]: Simplify 0 into 0
5.140 * [backup-simplify]: Simplify 0 into 0
5.140 * [backup-simplify]: Simplify 0 into 0
5.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.141 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.141 * [backup-simplify]: Simplify (- 0) into 0
5.142 * [backup-simplify]: Simplify (+ 0 0) into 0
5.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.143 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.143 * [backup-simplify]: Simplify (+ 0 0) into 0
5.145 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 b) 0) (+ (* 0 0) (+ (* 0 (- (/ 1 b))) (* 0 1))))) into 0
5.145 * [taylor]: Taking taylor expansion of 0 in b
5.145 * [backup-simplify]: Simplify 0 into 0
5.146 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.147 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.147 * [backup-simplify]: Simplify (- 0) into 0
5.147 * [backup-simplify]: Simplify 0 into 0
5.147 * [backup-simplify]: Simplify 0 into 0
5.147 * [backup-simplify]: Simplify 0 into 0
5.148 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
5.148 * [backup-simplify]: Simplify (* (+ (/ 1 (- a)) (/ 1 (- b))) (- (/ 1 (- a)) (/ 1 (- b)))) into (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b))))
5.148 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b)))) in (a b) around 0
5.148 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b)))) in b
5.148 * [taylor]: Taking taylor expansion of -1 in b
5.148 * [backup-simplify]: Simplify -1 into -1
5.148 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b))) in b
5.148 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in b
5.148 * [taylor]: Taking taylor expansion of (/ 1 b) in b
5.148 * [taylor]: Taking taylor expansion of b in b
5.148 * [backup-simplify]: Simplify 0 into 0
5.148 * [backup-simplify]: Simplify 1 into 1
5.149 * [backup-simplify]: Simplify (/ 1 1) into 1
5.149 * [taylor]: Taking taylor expansion of (/ 1 a) in b
5.149 * [taylor]: Taking taylor expansion of a in b
5.149 * [backup-simplify]: Simplify a into a
5.149 * [backup-simplify]: Simplify (/ 1 a) into (/ 1 a)
5.149 * [taylor]: Taking taylor expansion of (+ (/ 1 a) (/ 1 b)) in b
5.149 * [taylor]: Taking taylor expansion of (/ 1 a) in b
5.149 * [taylor]: Taking taylor expansion of a in b
5.149 * [backup-simplify]: Simplify a into a
5.149 * [backup-simplify]: Simplify (/ 1 a) into (/ 1 a)
5.149 * [taylor]: Taking taylor expansion of (/ 1 b) in b
5.149 * [taylor]: Taking taylor expansion of b in b
5.149 * [backup-simplify]: Simplify 0 into 0
5.149 * [backup-simplify]: Simplify 1 into 1
5.149 * [backup-simplify]: Simplify (/ 1 1) into 1
5.149 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b)))) in a
5.149 * [taylor]: Taking taylor expansion of -1 in a
5.149 * [backup-simplify]: Simplify -1 into -1
5.150 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b))) in a
5.150 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
5.150 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.150 * [taylor]: Taking taylor expansion of b in a
5.150 * [backup-simplify]: Simplify b into b
5.150 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.150 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.150 * [taylor]: Taking taylor expansion of a in a
5.150 * [backup-simplify]: Simplify 0 into 0
5.150 * [backup-simplify]: Simplify 1 into 1
5.150 * [backup-simplify]: Simplify (/ 1 1) into 1
5.150 * [taylor]: Taking taylor expansion of (+ (/ 1 a) (/ 1 b)) in a
5.150 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.150 * [taylor]: Taking taylor expansion of a in a
5.150 * [backup-simplify]: Simplify 0 into 0
5.150 * [backup-simplify]: Simplify 1 into 1
5.151 * [backup-simplify]: Simplify (/ 1 1) into 1
5.151 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.151 * [taylor]: Taking taylor expansion of b in a
5.151 * [backup-simplify]: Simplify b into b
5.151 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.151 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b)))) in a
5.151 * [taylor]: Taking taylor expansion of -1 in a
5.151 * [backup-simplify]: Simplify -1 into -1
5.151 * [taylor]: Taking taylor expansion of (* (- (/ 1 b) (/ 1 a)) (+ (/ 1 a) (/ 1 b))) in a
5.151 * [taylor]: Taking taylor expansion of (- (/ 1 b) (/ 1 a)) in a
5.151 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.151 * [taylor]: Taking taylor expansion of b in a
5.151 * [backup-simplify]: Simplify b into b
5.151 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.151 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.151 * [taylor]: Taking taylor expansion of a in a
5.151 * [backup-simplify]: Simplify 0 into 0
5.151 * [backup-simplify]: Simplify 1 into 1
5.152 * [backup-simplify]: Simplify (/ 1 1) into 1
5.152 * [taylor]: Taking taylor expansion of (+ (/ 1 a) (/ 1 b)) in a
5.152 * [taylor]: Taking taylor expansion of (/ 1 a) in a
5.152 * [taylor]: Taking taylor expansion of a in a
5.152 * [backup-simplify]: Simplify 0 into 0
5.152 * [backup-simplify]: Simplify 1 into 1
5.157 * [backup-simplify]: Simplify (/ 1 1) into 1
5.157 * [taylor]: Taking taylor expansion of (/ 1 b) in a
5.157 * [taylor]: Taking taylor expansion of b in a
5.157 * [backup-simplify]: Simplify b into b
5.157 * [backup-simplify]: Simplify (/ 1 b) into (/ 1 b)
5.158 * [backup-simplify]: Simplify (- 1) into -1
5.158 * [backup-simplify]: Simplify (+ 0 -1) into -1
5.159 * [backup-simplify]: Simplify (+ 1 0) into 1
5.159 * [backup-simplify]: Simplify (* -1 1) into -1
5.159 * [backup-simplify]: Simplify (* -1 -1) into 1
5.160 * [taylor]: Taking taylor expansion of 1 in b
5.160 * [backup-simplify]: Simplify 1 into 1
5.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.160 * [backup-simplify]: Simplify (+ 0 (/ 1 b)) into (/ 1 b)
5.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.162 * [backup-simplify]: Simplify (- 0) into 0
5.162 * [backup-simplify]: Simplify (+ (/ 1 b) 0) into (/ 1 b)
5.162 * [backup-simplify]: Simplify (+ (* -1 (/ 1 b)) (* (/ 1 b) 1)) into 0
5.163 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 -1)) into 0
5.163 * [taylor]: Taking taylor expansion of 0 in b
5.163 * [backup-simplify]: Simplify 0 into 0
5.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.164 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
5.164 * [backup-simplify]: Simplify (+ 0 0) into 0
5.164 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
5.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.166 * [backup-simplify]: Simplify (- 0) into 0
5.166 * [backup-simplify]: Simplify (+ 0 0) into 0
5.167 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 b) (/ 1 b)) (* 0 1))) into (/ 1 (pow b 2))
5.168 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (pow b 2))) (+ (* 0 0) (* 0 -1))) into (- (/ 1 (pow b 2)))
5.168 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
5.168 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
5.168 * [taylor]: Taking taylor expansion of (pow b 2) in b
5.168 * [taylor]: Taking taylor expansion of b in b
5.168 * [backup-simplify]: Simplify 0 into 0
5.168 * [backup-simplify]: Simplify 1 into 1
5.169 * [backup-simplify]: Simplify (* 1 1) into 1
5.169 * [backup-simplify]: Simplify (/ 1 1) into 1
5.169 * [backup-simplify]: Simplify (- 1) into -1
5.169 * [backup-simplify]: Simplify -1 into -1
5.170 * [backup-simplify]: Simplify 1 into 1
5.170 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.171 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.171 * [backup-simplify]: Simplify (+ 0 0) into 0
5.171 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.172 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.172 * [backup-simplify]: Simplify (- 0) into 0
5.172 * [backup-simplify]: Simplify (+ 0 0) into 0
5.173 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 b) 0) (+ (* 0 (/ 1 b)) (* 0 1)))) into 0
5.174 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ 1 (pow b 2))) (+ (* 0 0) (* 0 -1)))) into 0
5.174 * [taylor]: Taking taylor expansion of 0 in b
5.174 * [backup-simplify]: Simplify 0 into 0
5.174 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
5.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.175 * [backup-simplify]: Simplify (- 0) into 0
5.175 * [backup-simplify]: Simplify 0 into 0
5.175 * [backup-simplify]: Simplify 0 into 0
5.175 * [backup-simplify]: Simplify 0 into 0
5.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.176 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.176 * [backup-simplify]: Simplify (+ 0 0) into 0
5.176 * [backup-simplify]: Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)) (* 0 (/ 0 b)))) into 0
5.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.177 * [backup-simplify]: Simplify (- 0) into 0
5.177 * [backup-simplify]: Simplify (+ 0 0) into 0
5.178 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 b) 0) (+ (* 0 0) (+ (* 0 (/ 1 b)) (* 0 1))))) into 0
5.179 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ 1 (pow b 2))) (+ (* 0 0) (* 0 -1))))) into 0
5.179 * [taylor]: Taking taylor expansion of 0 in b
5.179 * [backup-simplify]: Simplify 0 into 0
5.179 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
5.180 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
5.180 * [backup-simplify]: Simplify (- 0) into 0
5.180 * [backup-simplify]: Simplify 0 into 0
5.180 * [backup-simplify]: Simplify 0 into 0
5.180 * [backup-simplify]: Simplify 0 into 0
5.181 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
5.181 * * * [progress]: simplifying candidates
5.181 * [simplify]: Simplifying:
  (expm1 (* (+ a b) (- a b)))
  (log1p (* (+ a b) (- a b)))
  (* (+ a b) (- a b))
  (+ (log (+ a b)) (log (- a b)))
  (log (* (+ a b) (- a b)))
  (exp (* (+ a b) (- a b)))
  (* (* (* (+ a b) (+ a b)) (+ a b)) (* (* (- a b) (- a b)) (- a b)))
  (* (cbrt (* (+ a b) (- a b))) (cbrt (* (+ a b) (- a b))))
  (cbrt (* (+ a b) (- a b)))
  (* (* (* (+ a b) (- a b)) (* (+ a b) (- a b))) (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (* (+ (pow a 3) (pow b 3)) (- (pow a 3) (pow b 3)))
  (* (+ (* a a) (- (* b b) (* a b))) (+ (* a a) (+ (* b b) (* a b))))
  (* (+ (pow a 3) (pow b 3)) (- (* a a) (* b b)))
  (* (+ (* a a) (- (* b b) (* a b))) (+ a b))
  (* (- (* a a) (* b b)) (- (pow a 3) (pow b 3)))
  (* (- a b) (+ (* a a) (+ (* b b) (* a b))))
  (* (- (* a a) (* b b)) (- (* a a) (* b b)))
  (* (- a b) (+ a b))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* (sqrt (+ a b)) (sqrt (- a b)))
  (* (+ a b) (fma (* (cbrt a) (cbrt a)) (cbrt a) (- (* (cbrt b) (* (cbrt b) (cbrt b))))))
  (* (+ a b) (fma (- (cbrt b)) (* (cbrt b) (cbrt b)) (* (cbrt b) (* (cbrt b) (cbrt b)))))
  (* (+ a b) (fma (* (cbrt a) (cbrt a)) (cbrt a) (- (* (sqrt b) (sqrt b)))))
  (* (+ a b) (fma (- (sqrt b)) (sqrt b) (* (sqrt b) (sqrt b))))
  (* (+ a b) (fma (* (cbrt a) (cbrt a)) (cbrt a) (- (* b 1))))
  (* (+ a b) (fma (- b) 1 (* b 1)))
  (* (+ a b) (fma (sqrt a) (sqrt a) (- (* (cbrt b) (* (cbrt b) (cbrt b))))))
  (* (+ a b) (fma (- (cbrt b)) (* (cbrt b) (cbrt b)) (* (cbrt b) (* (cbrt b) (cbrt b)))))
  (* (+ a b) (fma (sqrt a) (sqrt a) (- (* (sqrt b) (sqrt b)))))
  (* (+ a b) (fma (- (sqrt b)) (sqrt b) (* (sqrt b) (sqrt b))))
  (* (+ a b) (fma (sqrt a) (sqrt a) (- (* b 1))))
  (* (+ a b) (fma (- b) 1 (* b 1)))
  (* (+ a b) (fma 1 a (- (* (cbrt b) (* (cbrt b) (cbrt b))))))
  (* (+ a b) (fma (- (cbrt b)) (* (cbrt b) (cbrt b)) (* (cbrt b) (* (cbrt b) (cbrt b)))))
  (* (+ a b) (fma 1 a (- (* (sqrt b) (sqrt b)))))
  (* (+ a b) (fma (- (sqrt b)) (sqrt b) (* (sqrt b) (sqrt b))))
  (* (+ a b) (fma 1 a (- (* b 1))))
  (* (+ a b) (fma (- b) 1 (* b 1)))
  (* (+ a b) a)
  (* (+ a b) (- b))
  (* (+ a b) a)
  (* (+ a b) (- b))
  (* (fma (* (cbrt a) (cbrt a)) (cbrt a) (- (* (cbrt b) (* (cbrt b) (cbrt b))))) (+ a b))
  (* (fma (- (cbrt b)) (* (cbrt b) (cbrt b)) (* (cbrt b) (* (cbrt b) (cbrt b)))) (+ a b))
  (* (fma (* (cbrt a) (cbrt a)) (cbrt a) (- (* (sqrt b) (sqrt b)))) (+ a b))
  (* (fma (- (sqrt b)) (sqrt b) (* (sqrt b) (sqrt b))) (+ a b))
  (* (fma (* (cbrt a) (cbrt a)) (cbrt a) (- (* b 1))) (+ a b))
  (* (fma (- b) 1 (* b 1)) (+ a b))
  (* (fma (sqrt a) (sqrt a) (- (* (cbrt b) (* (cbrt b) (cbrt b))))) (+ a b))
  (* (fma (- (cbrt b)) (* (cbrt b) (cbrt b)) (* (cbrt b) (* (cbrt b) (cbrt b)))) (+ a b))
  (* (fma (sqrt a) (sqrt a) (- (* (sqrt b) (sqrt b)))) (+ a b))
  (* (fma (- (sqrt b)) (sqrt b) (* (sqrt b) (sqrt b))) (+ a b))
  (* (fma (sqrt a) (sqrt a) (- (* b 1))) (+ a b))
  (* (fma (- b) 1 (* b 1)) (+ a b))
  (* (fma 1 a (- (* (cbrt b) (* (cbrt b) (cbrt b))))) (+ a b))
  (* (fma (- (cbrt b)) (* (cbrt b) (cbrt b)) (* (cbrt b) (* (cbrt b) (cbrt b)))) (+ a b))
  (* (fma 1 a (- (* (sqrt b) (sqrt b)))) (+ a b))
  (* (fma (- (sqrt b)) (sqrt b) (* (sqrt b) (sqrt b))) (+ a b))
  (* (fma 1 a (- (* b 1))) (+ a b))
  (* (fma (- b) 1 (* b 1)) (+ a b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* a (+ a b))
  (* (- b) (+ a b))
  (* (+ a b) (* (cbrt (- a b)) (cbrt (- a b))))
  (* (+ a b) (sqrt (- a b)))
  (* (+ a b) 1)
  (* (+ a b) (+ (sqrt a) (sqrt b)))
  (* (+ a b) 1)
  (* (cbrt (+ a b)) (- a b))
  (* (sqrt (+ a b)) (- a b))
  (* (+ a b) (- a b))
  (* (+ a b) (- a b))
  (* (+ a b) (- (pow a 3) (pow b 3)))
  (* (+ a b) (- (* a a) (* b b)))
  (* (+ (pow a 3) (pow b 3)) (- a b))
  (* (- (* a a) (* b b)) (- a b))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
5.183 * * [simplify]: iteration 0: 120 enodes
5.219 * * [simplify]: iteration 1: 401 enodes
5.512 * * [simplify]: iteration 2: 2818 enodes
7.626 * * [simplify]: iteration complete: 5000 enodes
7.626 * * [simplify]: Extracting #0: cost 32 inf + 0
7.630 * * [simplify]: Extracting #1: cost 990 inf + 0
7.641 * * [simplify]: Extracting #2: cost 1496 inf + 185
7.648 * * [simplify]: Extracting #3: cost 656 inf + 4963
7.654 * * [simplify]: Extracting #4: cost 132 inf + 9258
7.660 * * [simplify]: Extracting #5: cost 53 inf + 9912
7.666 * * [simplify]: Extracting #6: cost 13 inf + 9989
7.674 * * [simplify]: Extracting #7: cost 0 inf + 10056
7.688 * [simplify]: Simplified to:
  (expm1 (* (- a b) (+ b a)))
  (log1p (* (- a b) (+ b a)))
  (* (- a b) (+ b a))
  (log (* (- a b) (+ b a)))
  (log (* (- a b) (+ b a)))
  (pow (exp (- a b)) (+ a b))
  (pow (* (- a b) (+ b a)) 3)
  (* (cbrt (* (- a b) (+ b a))) (cbrt (* (- a b) (+ b a))))
  (cbrt (* (- a b) (+ b a)))
  (pow (* (- a b) (+ b a)) 3)
  (sqrt (* (- a b) (+ b a)))
  (sqrt (* (- a b) (+ b a)))
  (* (+ (pow b 3) (pow a 3)) (- (pow a 3) (pow b 3)))
  (* (fma a a (* b (+ b a))) (fma a a (* b (- b a))))
  (* (fma a a (* b (- b))) (+ (pow b 3) (pow a 3)))
  (* (fma a a (* b (- b a))) (+ a b))
  (* (- (pow a 3) (pow b 3)) (fma a a (* b (- b))))
  (* (fma a a (* b (+ b a))) (- a b))
  (* (fma a a (* b (- b))) (fma a a (* b (- b))))
  (* (- a b) (+ b a))
  (* (sqrt (+ b a)) (sqrt (- a b)))
  (* (sqrt (+ b a)) (sqrt (- a b)))
  (* (- (pow (cbrt a) 3) b) (+ a b))
  (* (fma -1 b b) (+ a b))
  (* (- (pow (cbrt a) 3) b) (+ a b))
  (* (fma -1 b b) (+ a b))
  (* (- (pow (cbrt a) 3) b) (+ a b))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* a (+ b a))
  (- (* (+ b a) b))
  (* a (+ b a))
  (- (* (+ b a) b))
  (* (- (pow (cbrt a) 3) b) (+ a b))
  (* (fma -1 b b) (+ a b))
  (* (- (pow (cbrt a) 3) b) (+ a b))
  (* (fma -1 b b) (+ a b))
  (* (- (pow (cbrt a) 3) b) (+ a b))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* (- a b) (+ b a))
  (* (fma -1 b b) (+ a b))
  (* a (+ b a))
  (- (* (+ b a) b))
  (* a (+ b a))
  (- (* (+ b a) b))
  (* (* (cbrt (- a b)) (cbrt (- a b))) (+ b a))
  (* (sqrt (- a b)) (+ b a))
  (+ b a)
  (* (+ (sqrt b) (sqrt a)) (+ b a))
  (+ b a)
  (* (cbrt (+ b a)) (- a b))
  (* (sqrt (+ b a)) (- a b))
  (* (- a b) (+ b a))
  (* (- a b) (+ b a))
  (* (- (pow a 3) (pow b 3)) (+ b a))
  (* (+ b a) (fma a a (* b (- b))))
  (* (- a b) (+ (pow b 3) (pow a 3)))
  (* (- a b) (fma a a (* b (- b))))
  (fma a a (* b (- b)))
  (fma a a (* b (- b)))
  (fma a a (* b (- b)))
7.689 * * * [progress]: adding candidates to table
7.893 * [progress]: [Phase 3 of 3] Extracting.
7.893 * * [regime]: Finding splitpoints for: (#<alt (λ (a b) (- (* a a) (* b b)))> #<alt (λ (a b) (* (+ a b) (- a b)))>)
7.894 * * * [regime-changes]: Trying 5 branch expressions: ((* b b) (* a a) (- (* a a) (* b b)) b a)
7.894 * * * * [regimes]: Trying to branch on (* b b) from (#<alt (λ (a b) (- (* a a) (* b b)))> #<alt (λ (a b) (* (+ a b) (- a b)))>)
7.944 * * * * [regimes]: Trying to branch on (* a a) from (#<alt (λ (a b) (- (* a a) (* b b)))> #<alt (λ (a b) (* (+ a b) (- a b)))>)
7.998 * * * * [regimes]: Trying to branch on (- (* a a) (* b b)) from (#<alt (λ (a b) (- (* a a) (* b b)))> #<alt (λ (a b) (* (+ a b) (- a b)))>)
8.056 * * * * [regimes]: Trying to branch on b from (#<alt (λ (a b) (- (* a a) (* b b)))> #<alt (λ (a b) (* (+ a b) (- a b)))>)
8.110 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a b) (- (* a a) (* b b)))> #<alt (λ (a b) (* (+ a b) (- a b)))>)
8.165 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
8.165 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
8.165 * * [simplify]: iteration 0: 5 enodes
8.166 * * [simplify]: iteration 1: 7 enodes
8.166 * * [simplify]: iteration complete: 7 enodes
8.166 * * [simplify]: Extracting #0: cost 1 inf + 0
8.166 * * [simplify]: Extracting #1: cost 3 inf + 0
8.166 * * [simplify]: Extracting #2: cost 5 inf + 0
8.166 * * [simplify]: Extracting #3: cost 3 inf + 2
8.166 * * [simplify]: Extracting #4: cost 0 inf + 15
8.166 * [simplify]: Simplified to:
  (* (+ b a) (- a b))
9.583 * [regime-testing]: Baseline error score: 0.0007500937617202151
9.585 * [regime-testing]: Oracle error score: 0.00037504688086010754
9.591 * [regime-testing]: End program error score: 0.0007500937617202151
9.651 * [regime-testing]: Target error score: 0.0007500937617202151