13.644 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: Extracting # 3 : cost  0
0.032 * * [simplify]: Extracting # 4 : cost  0
0.032 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.052 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.092 * * [simplify]: Extracting # 0 : cost  0
0.092 * * [simplify]: Extracting # 1 : cost  0
0.092 * * [simplify]: Extracting # 2 : cost  0
0.093 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.168 * * [simplify]: Extracting # 0 : cost  0
0.168 * * [simplify]: Extracting # 1 : cost  0
0.169 * * [simplify]: Extracting # 2 : cost  0
0.169 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.311 * * [simplify]: Extracting # 0 : cost  0
0.312 * * [simplify]: Extracting # 1 : cost  0
0.312 * * [simplify]: Extracting # 2 : cost  0
0.312 * * [simplify]: Extracting # 3 : cost  0
0.313 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.325 * * [simplify]: Extracting # 0 : cost  0
1.327 * * [simplify]: Extracting # 1 : cost  0
1.329 * * [simplify]: Extracting # 2 : cost  0
1.331 * * [simplify]: Extracting # 3 : cost  0
1.332 * * [simplify]: Extracting # 4 : cost  0
1.334 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.139 * * [simplify]: Extracting # 0 : cost  0
11.163 * * [simplify]: Extracting # 1 : cost  0
11.169 * * [simplify]: Extracting # 2 : cost  0
11.174 * * [simplify]: Extracting # 3 : cost  0
11.179 * * [simplify]: Extracting # 4 : cost  0
11.185 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.185 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.186 * * [progress]: iteration 1 / 4
11.186 * * * [progress]: picking best candidate
11.188 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.188 * * * [progress]: localizing error
11.197 * * * [progress]: generating rewritten candidates
11.197 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
11.206 * * * [progress]: generating series expansions
11.206 * * * * [progress]: [ 1 / 1 ] generating series at (2)
11.206 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
11.206 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
11.206 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
11.206 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.206 * [taylor]: Taking taylor expansion of a in b
11.206 * [backup-simplify]: Simplify a into a
11.206 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.206 * [taylor]: Taking taylor expansion of b in b
11.206 * [backup-simplify]: Simplify 0 into 0
11.206 * [backup-simplify]: Simplify 1 into 1
11.206 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
11.206 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.206 * [taylor]: Taking taylor expansion of a in a
11.207 * [backup-simplify]: Simplify 0 into 0
11.207 * [backup-simplify]: Simplify 1 into 1
11.207 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.207 * [taylor]: Taking taylor expansion of b in a
11.207 * [backup-simplify]: Simplify b into b
11.207 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
11.207 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.207 * [taylor]: Taking taylor expansion of a in a
11.207 * [backup-simplify]: Simplify 0 into 0
11.207 * [backup-simplify]: Simplify 1 into 1
11.207 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.207 * [taylor]: Taking taylor expansion of b in a
11.207 * [backup-simplify]: Simplify b into b
11.207 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.207 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
11.207 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
11.207 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
11.207 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.207 * [taylor]: Taking taylor expansion of b in b
11.207 * [backup-simplify]: Simplify 0 into 0
11.207 * [backup-simplify]: Simplify 1 into 1
11.207 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.208 * [backup-simplify]: Simplify (- 0) into 0
11.208 * [backup-simplify]: Simplify (+ 0 0) into 0
11.208 * [taylor]: Taking taylor expansion of 0 in b
11.208 * [backup-simplify]: Simplify 0 into 0
11.208 * [backup-simplify]: Simplify 0 into 0
11.208 * [backup-simplify]: Simplify (* 1 1) into 1
11.209 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.209 * [backup-simplify]: Simplify (- 0) into 0
11.209 * [backup-simplify]: Simplify (+ 1 0) into 1
11.209 * [taylor]: Taking taylor expansion of 1 in b
11.209 * [backup-simplify]: Simplify 1 into 1
11.209 * [backup-simplify]: Simplify 1 into 1
11.209 * [backup-simplify]: Simplify 0 into 0
11.209 * [backup-simplify]: Simplify (* 1 1) into 1
11.210 * [backup-simplify]: Simplify (- 1) into -1
11.210 * [backup-simplify]: Simplify -1 into -1
11.210 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.211 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
11.211 * [backup-simplify]: Simplify (- 0) into 0
11.211 * [backup-simplify]: Simplify (+ 0 0) into 0
11.212 * [taylor]: Taking taylor expansion of 0 in b
11.212 * [backup-simplify]: Simplify 0 into 0
11.212 * [backup-simplify]: Simplify 0 into 0
11.212 * [backup-simplify]: Simplify 0 into 0
11.212 * [backup-simplify]: Simplify 0 into 0
11.212 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.213 * [backup-simplify]: Simplify (- 0) into 0
11.213 * [backup-simplify]: Simplify 0 into 0
11.213 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.214 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
11.215 * [backup-simplify]: Simplify (- 0) into 0
11.215 * [backup-simplify]: Simplify (+ 0 0) into 0
11.215 * [taylor]: Taking taylor expansion of 0 in b
11.215 * [backup-simplify]: Simplify 0 into 0
11.215 * [backup-simplify]: Simplify 0 into 0
11.215 * [backup-simplify]: Simplify 0 into 0
11.215 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
11.215 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
11.215 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
11.215 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
11.215 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
11.215 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.215 * [taylor]: Taking taylor expansion of a in b
11.215 * [backup-simplify]: Simplify a into a
11.215 * [backup-simplify]: Simplify (* a a) into (pow a 2)
11.216 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
11.216 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.216 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.216 * [taylor]: Taking taylor expansion of b in b
11.216 * [backup-simplify]: Simplify 0 into 0
11.216 * [backup-simplify]: Simplify 1 into 1
11.216 * [backup-simplify]: Simplify (* 1 1) into 1
11.216 * [backup-simplify]: Simplify (/ 1 1) into 1
11.216 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.216 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.216 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.216 * [taylor]: Taking taylor expansion of a in a
11.216 * [backup-simplify]: Simplify 0 into 0
11.216 * [backup-simplify]: Simplify 1 into 1
11.217 * [backup-simplify]: Simplify (* 1 1) into 1
11.217 * [backup-simplify]: Simplify (/ 1 1) into 1
11.217 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.217 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.217 * [taylor]: Taking taylor expansion of b in a
11.217 * [backup-simplify]: Simplify b into b
11.217 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.217 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.217 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.217 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.217 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.217 * [taylor]: Taking taylor expansion of a in a
11.217 * [backup-simplify]: Simplify 0 into 0
11.217 * [backup-simplify]: Simplify 1 into 1
11.218 * [backup-simplify]: Simplify (* 1 1) into 1
11.218 * [backup-simplify]: Simplify (/ 1 1) into 1
11.218 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.218 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.218 * [taylor]: Taking taylor expansion of b in a
11.218 * [backup-simplify]: Simplify b into b
11.218 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.219 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.219 * [backup-simplify]: Simplify (+ 1 0) into 1
11.219 * [taylor]: Taking taylor expansion of 1 in b
11.219 * [backup-simplify]: Simplify 1 into 1
11.220 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.220 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.221 * [backup-simplify]: Simplify (+ 0 0) into 0
11.221 * [taylor]: Taking taylor expansion of 0 in b
11.221 * [backup-simplify]: Simplify 0 into 0
11.221 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.222 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.222 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
11.222 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
11.222 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
11.222 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.222 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.222 * [taylor]: Taking taylor expansion of b in b
11.222 * [backup-simplify]: Simplify 0 into 0
11.222 * [backup-simplify]: Simplify 1 into 1
11.222 * [backup-simplify]: Simplify (* 1 1) into 1
11.222 * [backup-simplify]: Simplify (/ 1 1) into 1
11.223 * [backup-simplify]: Simplify (- 1) into -1
11.223 * [backup-simplify]: Simplify -1 into -1
11.223 * [backup-simplify]: Simplify 1 into 1
11.223 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.224 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.224 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.224 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
11.224 * [backup-simplify]: Simplify (- 0) into 0
11.225 * [backup-simplify]: Simplify (+ 0 0) into 0
11.225 * [taylor]: Taking taylor expansion of 0 in b
11.225 * [backup-simplify]: Simplify 0 into 0
11.225 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.226 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.226 * [backup-simplify]: Simplify (- 0) into 0
11.226 * [backup-simplify]: Simplify 0 into 0
11.226 * [backup-simplify]: Simplify 0 into 0
11.226 * [backup-simplify]: Simplify 0 into 0
11.227 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.227 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.228 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.228 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
11.228 * [backup-simplify]: Simplify (- 0) into 0
11.228 * [backup-simplify]: Simplify (+ 0 0) into 0
11.228 * [taylor]: Taking taylor expansion of 0 in b
11.228 * [backup-simplify]: Simplify 0 into 0
11.229 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.230 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.230 * [backup-simplify]: Simplify (- 0) into 0
11.230 * [backup-simplify]: Simplify 0 into 0
11.230 * [backup-simplify]: Simplify 0 into 0
11.231 * [backup-simplify]: Simplify 0 into 0
11.231 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
11.231 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
11.231 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
11.231 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
11.231 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
11.231 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.231 * [taylor]: Taking taylor expansion of a in b
11.231 * [backup-simplify]: Simplify a into a
11.231 * [backup-simplify]: Simplify (* a a) into (pow a 2)
11.231 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
11.231 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.231 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.231 * [taylor]: Taking taylor expansion of b in b
11.231 * [backup-simplify]: Simplify 0 into 0
11.231 * [backup-simplify]: Simplify 1 into 1
11.232 * [backup-simplify]: Simplify (* 1 1) into 1
11.232 * [backup-simplify]: Simplify (/ 1 1) into 1
11.232 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.232 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.232 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.232 * [taylor]: Taking taylor expansion of a in a
11.232 * [backup-simplify]: Simplify 0 into 0
11.232 * [backup-simplify]: Simplify 1 into 1
11.232 * [backup-simplify]: Simplify (* 1 1) into 1
11.233 * [backup-simplify]: Simplify (/ 1 1) into 1
11.233 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.233 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.233 * [taylor]: Taking taylor expansion of b in a
11.233 * [backup-simplify]: Simplify b into b
11.233 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.233 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.233 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.233 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.233 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.233 * [taylor]: Taking taylor expansion of a in a
11.233 * [backup-simplify]: Simplify 0 into 0
11.233 * [backup-simplify]: Simplify 1 into 1
11.233 * [backup-simplify]: Simplify (* 1 1) into 1
11.233 * [backup-simplify]: Simplify (/ 1 1) into 1
11.233 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.233 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.233 * [taylor]: Taking taylor expansion of b in a
11.234 * [backup-simplify]: Simplify b into b
11.234 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.234 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.234 * [backup-simplify]: Simplify (+ 1 0) into 1
11.234 * [taylor]: Taking taylor expansion of 1 in b
11.234 * [backup-simplify]: Simplify 1 into 1
11.234 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.235 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.235 * [backup-simplify]: Simplify (+ 0 0) into 0
11.235 * [taylor]: Taking taylor expansion of 0 in b
11.235 * [backup-simplify]: Simplify 0 into 0
11.236 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.236 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.236 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
11.236 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
11.236 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
11.236 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.237 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.237 * [taylor]: Taking taylor expansion of b in b
11.237 * [backup-simplify]: Simplify 0 into 0
11.237 * [backup-simplify]: Simplify 1 into 1
11.237 * [backup-simplify]: Simplify (* 1 1) into 1
11.237 * [backup-simplify]: Simplify (/ 1 1) into 1
11.237 * [backup-simplify]: Simplify (- 1) into -1
11.237 * [backup-simplify]: Simplify -1 into -1
11.237 * [backup-simplify]: Simplify 1 into 1
11.238 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.239 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.239 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.239 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
11.239 * [backup-simplify]: Simplify (- 0) into 0
11.239 * [backup-simplify]: Simplify (+ 0 0) into 0
11.239 * [taylor]: Taking taylor expansion of 0 in b
11.239 * [backup-simplify]: Simplify 0 into 0
11.240 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.240 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.240 * [backup-simplify]: Simplify (- 0) into 0
11.240 * [backup-simplify]: Simplify 0 into 0
11.240 * [backup-simplify]: Simplify 0 into 0
11.240 * [backup-simplify]: Simplify 0 into 0
11.245 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.246 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.247 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.247 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
11.247 * [backup-simplify]: Simplify (- 0) into 0
11.248 * [backup-simplify]: Simplify (+ 0 0) into 0
11.248 * [taylor]: Taking taylor expansion of 0 in b
11.248 * [backup-simplify]: Simplify 0 into 0
11.248 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.249 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.249 * [backup-simplify]: Simplify (- 0) into 0
11.249 * [backup-simplify]: Simplify 0 into 0
11.249 * [backup-simplify]: Simplify 0 into 0
11.249 * [backup-simplify]: Simplify 0 into 0
11.249 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
11.249 * * * [progress]: simplifying candidates
11.250 * [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))
11.250 * * [simplify]: Extracting # 0 : cost  0
11.250 * * [simplify]: Extracting # 1 : cost  0
11.251 * * [simplify]: Extracting # 2 : cost  0
11.251 * * [simplify]: Extracting # 3 : cost  0
11.251 * * [simplify]: Extracting # 4 : cost  0
11.251 * * [simplify]: Extracting # 5 : cost  0
11.251 * * [simplify]: iteration  0 :  38  enodes  (cost  214 )
11.262 * * [simplify]: Extracting # 0 : cost  0
11.262 * * [simplify]: Extracting # 1 : cost  0
11.262 * * [simplify]: Extracting # 2 : cost  0
11.262 * * [simplify]: Extracting # 3 : cost  0
11.262 * * [simplify]: Extracting # 4 : cost  0
11.263 * * [simplify]: iteration  1 :  100  enodes  (cost  205 )
11.304 * * [simplify]: Extracting # 0 : cost  0
11.304 * * [simplify]: Extracting # 1 : cost  0
11.305 * * [simplify]: Extracting # 2 : cost  0
11.305 * * [simplify]: Extracting # 3 : cost  0
11.305 * * [simplify]: Extracting # 4 : cost  0
11.305 * * [simplify]: iteration  2 :  291  enodes  (cost  175 )
11.457 * * [simplify]: Extracting # 0 : cost  0
11.458 * * [simplify]: Extracting # 1 : cost  0
11.459 * * [simplify]: Extracting # 2 : cost  0
11.460 * * [simplify]: Extracting # 3 : cost  0
11.461 * * [simplify]: Extracting # 4 : cost  0
11.462 * * [simplify]: iteration  3 :  922  enodes  (cost  175 )
12.474 * * [simplify]: Extracting # 0 : cost  0
12.478 * * [simplify]: Extracting # 1 : cost  0
12.481 * * [simplify]: Extracting # 2 : cost  0
12.484 * * [simplify]: Extracting # 3 : cost  0
12.488 * * [simplify]: Extracting # 4 : cost  0
12.492 * * [simplify]: iteration  4 :  4017  enodes  (cost  170 )
13.760 * * [simplify]: Extracting # 0 : cost  0
13.765 * * [simplify]: Extracting # 1 : cost  0
13.769 * * [simplify]: iteration done:  5000  enodes  (cost  170 )
13.769 * [simplify]: Simplified to:
  (fma a a (- (* b b)))
  0
  (expm1 (- (* a a) (* b b)))
  (log1p (- (* a a) (* b b)))
  (- (* b b))
  (exp (- (* a a) (* 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)))
  (pow (fma a a (- (* b b))) 3)
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow a 6) (pow b 6))
  (fma (* b b) (fma a a (pow b 2)) (pow a 4))
  (- (* b b))
  (- (pow a 4) (pow b 4))
  (fma a a (pow b 2))
  (+ a b)
  (- a b)
  (- (* b b))
  (fma a a (- (* b b)))
  (fma a a (- (* b b)))
  (fma a a (- (* b b)))
13.769 * * * [progress]: adding candidates to table
13.827 * * [progress]: iteration 2 / 4
13.827 * * * [progress]: picking best candidate
13.828 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
13.828 * * * [progress]: localizing error
13.833 * * * [progress]: generating rewritten candidates
13.833 * * * [progress]: generating series expansions
13.833 * * * [progress]: simplifying candidates
13.833 * [simplify]: Simplifying:
  
13.833 * * [simplify]: Extracting # 0 : cost  0
13.833 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
13.833 * * [simplify]: Extracting # 0 : cost  0
13.834 * * [simplify]: iteration done:  0  enodes  (cost  0 )
13.834 * [simplify]: Simplified to:
  
13.834 * * * [progress]: adding candidates to table
13.834 * [progress]: [Phase 3 of 3] Extracting.
13.836 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
13.836 * * [simplify]: Extracting # 0 : cost  0
13.836 * * [simplify]: Extracting # 1 : cost  0
13.836 * * [simplify]: Extracting # 2 : cost  0
13.837 * * [simplify]: Extracting # 3 : cost  0
13.837 * * [simplify]: Extracting # 4 : cost  0
13.837 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
13.837 * * [simplify]: Extracting # 0 : cost  0
13.837 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
13.838 * * [simplify]: Extracting # 0 : cost  0
13.838 * * [simplify]: iteration done:  7  enodes  (cost  7 )
13.838 * [simplify]: Simplified to:
  (* (+ a b) (- a b))
14.900 * [regime-testing]: Baseline error score: 0.0008751093886735842
14.905 * [regime-testing]: Oracle error score: 0.0008751093886735842
14.905 * [regime-testing]: End program error score: 0.0008751093886735842
14.932 * [regime-testing]: Target error score: 0.0008751093886735842