6.254 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: Extracting # 1 : cost  0
0.020 * * [simplify]: Extracting # 2 : cost  0
0.020 * * [simplify]: Extracting # 3 : cost  0
0.020 * * [simplify]: Extracting # 4 : cost  0
0.020 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.021 * * [simplify]: Extracting # 0 : cost  0
0.021 * * [simplify]: Extracting # 1 : cost  0
0.021 * * [simplify]: Extracting # 2 : cost  0
0.021 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.101 * * [simplify]: Extracting # 0 : cost  0
0.101 * * [simplify]: Extracting # 1 : cost  0
0.102 * * [simplify]: Extracting # 2 : cost  0
0.102 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.210 * * [simplify]: Extracting # 0 : cost  0
0.210 * * [simplify]: Extracting # 1 : cost  0
0.213 * * [simplify]: Extracting # 2 : cost  0
0.213 * * [simplify]: Extracting # 3 : cost  0
0.213 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
0.991 * * [simplify]: Extracting # 0 : cost  0
0.993 * * [simplify]: Extracting # 1 : cost  0
0.995 * * [simplify]: Extracting # 2 : cost  0
0.996 * * [simplify]: Extracting # 3 : cost  0
0.998 * * [simplify]: Extracting # 4 : cost  0
1.000 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
8.124 * * [simplify]: Extracting # 0 : cost  0
8.139 * * [simplify]: Extracting # 1 : cost  0
8.142 * * [simplify]: Extracting # 2 : cost  0
8.145 * * [simplify]: Extracting # 3 : cost  0
8.148 * * [simplify]: Extracting # 4 : cost  0
8.151 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
8.151 * [simplify]: Simplified to:
  (- (* a a) (* b b))
8.151 * * [progress]: iteration 1 / 4
8.152 * * * [progress]: picking best candidate
8.153 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
8.153 * * * [progress]: localizing error
8.157 * * * [progress]: generating rewritten candidates
8.157 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
8.166 * * * [progress]: generating series expansions
8.166 * * * * [progress]: [ 1 / 1 ] generating series at (2)
8.166 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
8.166 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
8.166 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
8.166 * [taylor]: Taking taylor expansion of (pow a 2) in b
8.166 * [taylor]: Taking taylor expansion of a in b
8.166 * [backup-simplify]: Simplify a into a
8.166 * [taylor]: Taking taylor expansion of (pow b 2) in b
8.166 * [taylor]: Taking taylor expansion of b in b
8.166 * [backup-simplify]: Simplify 0 into 0
8.166 * [backup-simplify]: Simplify 1 into 1
8.166 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
8.166 * [taylor]: Taking taylor expansion of (pow a 2) in a
8.166 * [taylor]: Taking taylor expansion of a in a
8.166 * [backup-simplify]: Simplify 0 into 0
8.166 * [backup-simplify]: Simplify 1 into 1
8.166 * [taylor]: Taking taylor expansion of (pow b 2) in a
8.166 * [taylor]: Taking taylor expansion of b in a
8.166 * [backup-simplify]: Simplify b into b
8.166 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
8.166 * [taylor]: Taking taylor expansion of (pow a 2) in a
8.166 * [taylor]: Taking taylor expansion of a in a
8.166 * [backup-simplify]: Simplify 0 into 0
8.166 * [backup-simplify]: Simplify 1 into 1
8.166 * [taylor]: Taking taylor expansion of (pow b 2) in a
8.166 * [taylor]: Taking taylor expansion of b in a
8.166 * [backup-simplify]: Simplify b into b
8.167 * [backup-simplify]: Simplify (* b b) into (pow b 2)
8.167 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
8.167 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
8.167 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
8.167 * [taylor]: Taking taylor expansion of (pow b 2) in b
8.167 * [taylor]: Taking taylor expansion of b in b
8.167 * [backup-simplify]: Simplify 0 into 0
8.167 * [backup-simplify]: Simplify 1 into 1
8.167 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
8.167 * [backup-simplify]: Simplify (- 0) into 0
8.168 * [backup-simplify]: Simplify (+ 0 0) into 0
8.168 * [taylor]: Taking taylor expansion of 0 in b
8.168 * [backup-simplify]: Simplify 0 into 0
8.168 * [backup-simplify]: Simplify 0 into 0
8.168 * [backup-simplify]: Simplify (* 1 1) into 1
8.168 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
8.168 * [backup-simplify]: Simplify (- 0) into 0
8.169 * [backup-simplify]: Simplify (+ 1 0) into 1
8.169 * [taylor]: Taking taylor expansion of 1 in b
8.169 * [backup-simplify]: Simplify 1 into 1
8.169 * [backup-simplify]: Simplify 1 into 1
8.169 * [backup-simplify]: Simplify 0 into 0
8.169 * [backup-simplify]: Simplify (* 1 1) into 1
8.169 * [backup-simplify]: Simplify (- 1) into -1
8.169 * [backup-simplify]: Simplify -1 into -1
8.170 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.170 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
8.170 * [backup-simplify]: Simplify (- 0) into 0
8.170 * [backup-simplify]: Simplify (+ 0 0) into 0
8.170 * [taylor]: Taking taylor expansion of 0 in b
8.170 * [backup-simplify]: Simplify 0 into 0
8.170 * [backup-simplify]: Simplify 0 into 0
8.170 * [backup-simplify]: Simplify 0 into 0
8.170 * [backup-simplify]: Simplify 0 into 0
8.171 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.171 * [backup-simplify]: Simplify (- 0) into 0
8.171 * [backup-simplify]: Simplify 0 into 0
8.172 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.172 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
8.172 * [backup-simplify]: Simplify (- 0) into 0
8.173 * [backup-simplify]: Simplify (+ 0 0) into 0
8.173 * [taylor]: Taking taylor expansion of 0 in b
8.173 * [backup-simplify]: Simplify 0 into 0
8.173 * [backup-simplify]: Simplify 0 into 0
8.173 * [backup-simplify]: Simplify 0 into 0
8.173 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
8.173 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
8.173 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
8.173 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
8.173 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
8.173 * [taylor]: Taking taylor expansion of (pow a 2) in b
8.173 * [taylor]: Taking taylor expansion of a in b
8.173 * [backup-simplify]: Simplify a into a
8.173 * [backup-simplify]: Simplify (* a a) into (pow a 2)
8.173 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
8.173 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
8.173 * [taylor]: Taking taylor expansion of (pow b 2) in b
8.173 * [taylor]: Taking taylor expansion of b in b
8.173 * [backup-simplify]: Simplify 0 into 0
8.173 * [backup-simplify]: Simplify 1 into 1
8.174 * [backup-simplify]: Simplify (* 1 1) into 1
8.174 * [backup-simplify]: Simplify (/ 1 1) into 1
8.174 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
8.174 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
8.174 * [taylor]: Taking taylor expansion of (pow a 2) in a
8.174 * [taylor]: Taking taylor expansion of a in a
8.174 * [backup-simplify]: Simplify 0 into 0
8.174 * [backup-simplify]: Simplify 1 into 1
8.174 * [backup-simplify]: Simplify (* 1 1) into 1
8.174 * [backup-simplify]: Simplify (/ 1 1) into 1
8.174 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
8.174 * [taylor]: Taking taylor expansion of (pow b 2) in a
8.174 * [taylor]: Taking taylor expansion of b in a
8.174 * [backup-simplify]: Simplify b into b
8.174 * [backup-simplify]: Simplify (* b b) into (pow b 2)
8.175 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
8.175 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
8.175 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
8.175 * [taylor]: Taking taylor expansion of (pow a 2) in a
8.175 * [taylor]: Taking taylor expansion of a in a
8.175 * [backup-simplify]: Simplify 0 into 0
8.175 * [backup-simplify]: Simplify 1 into 1
8.175 * [backup-simplify]: Simplify (* 1 1) into 1
8.175 * [backup-simplify]: Simplify (/ 1 1) into 1
8.175 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
8.175 * [taylor]: Taking taylor expansion of (pow b 2) in a
8.175 * [taylor]: Taking taylor expansion of b in a
8.175 * [backup-simplify]: Simplify b into b
8.175 * [backup-simplify]: Simplify (* b b) into (pow b 2)
8.175 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
8.176 * [backup-simplify]: Simplify (+ 1 0) into 1
8.176 * [taylor]: Taking taylor expansion of 1 in b
8.176 * [backup-simplify]: Simplify 1 into 1
8.176 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.177 * [backup-simplify]: Simplify (+ 0 0) into 0
8.177 * [taylor]: Taking taylor expansion of 0 in b
8.177 * [backup-simplify]: Simplify 0 into 0
8.177 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.177 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.178 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
8.178 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
8.178 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
8.178 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
8.178 * [taylor]: Taking taylor expansion of (pow b 2) in b
8.178 * [taylor]: Taking taylor expansion of b in b
8.178 * [backup-simplify]: Simplify 0 into 0
8.178 * [backup-simplify]: Simplify 1 into 1
8.178 * [backup-simplify]: Simplify (* 1 1) into 1
8.178 * [backup-simplify]: Simplify (/ 1 1) into 1
8.179 * [backup-simplify]: Simplify (- 1) into -1
8.179 * [backup-simplify]: Simplify -1 into -1
8.179 * [backup-simplify]: Simplify 1 into 1
8.179 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.180 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.180 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
8.180 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
8.180 * [backup-simplify]: Simplify (- 0) into 0
8.180 * [backup-simplify]: Simplify (+ 0 0) into 0
8.180 * [taylor]: Taking taylor expansion of 0 in b
8.180 * [backup-simplify]: Simplify 0 into 0
8.181 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.181 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.181 * [backup-simplify]: Simplify (- 0) into 0
8.181 * [backup-simplify]: Simplify 0 into 0
8.181 * [backup-simplify]: Simplify 0 into 0
8.181 * [backup-simplify]: Simplify 0 into 0
8.182 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.183 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
8.183 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
8.183 * [backup-simplify]: Simplify (- 0) into 0
8.183 * [backup-simplify]: Simplify (+ 0 0) into 0
8.183 * [taylor]: Taking taylor expansion of 0 in b
8.183 * [backup-simplify]: Simplify 0 into 0
8.184 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.185 * [backup-simplify]: Simplify (- 0) into 0
8.185 * [backup-simplify]: Simplify 0 into 0
8.185 * [backup-simplify]: Simplify 0 into 0
8.185 * [backup-simplify]: Simplify 0 into 0
8.185 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
8.185 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
8.185 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
8.185 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
8.185 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
8.185 * [taylor]: Taking taylor expansion of (pow a 2) in b
8.185 * [taylor]: Taking taylor expansion of a in b
8.185 * [backup-simplify]: Simplify a into a
8.185 * [backup-simplify]: Simplify (* a a) into (pow a 2)
8.185 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
8.185 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
8.185 * [taylor]: Taking taylor expansion of (pow b 2) in b
8.185 * [taylor]: Taking taylor expansion of b in b
8.185 * [backup-simplify]: Simplify 0 into 0
8.185 * [backup-simplify]: Simplify 1 into 1
8.186 * [backup-simplify]: Simplify (* 1 1) into 1
8.186 * [backup-simplify]: Simplify (/ 1 1) into 1
8.186 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
8.186 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
8.186 * [taylor]: Taking taylor expansion of (pow a 2) in a
8.186 * [taylor]: Taking taylor expansion of a in a
8.186 * [backup-simplify]: Simplify 0 into 0
8.186 * [backup-simplify]: Simplify 1 into 1
8.186 * [backup-simplify]: Simplify (* 1 1) into 1
8.186 * [backup-simplify]: Simplify (/ 1 1) into 1
8.186 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
8.186 * [taylor]: Taking taylor expansion of (pow b 2) in a
8.186 * [taylor]: Taking taylor expansion of b in a
8.186 * [backup-simplify]: Simplify b into b
8.187 * [backup-simplify]: Simplify (* b b) into (pow b 2)
8.187 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
8.187 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
8.187 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
8.187 * [taylor]: Taking taylor expansion of (pow a 2) in a
8.187 * [taylor]: Taking taylor expansion of a in a
8.187 * [backup-simplify]: Simplify 0 into 0
8.187 * [backup-simplify]: Simplify 1 into 1
8.187 * [backup-simplify]: Simplify (* 1 1) into 1
8.187 * [backup-simplify]: Simplify (/ 1 1) into 1
8.187 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
8.187 * [taylor]: Taking taylor expansion of (pow b 2) in a
8.187 * [taylor]: Taking taylor expansion of b in a
8.187 * [backup-simplify]: Simplify b into b
8.187 * [backup-simplify]: Simplify (* b b) into (pow b 2)
8.187 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
8.188 * [backup-simplify]: Simplify (+ 1 0) into 1
8.188 * [taylor]: Taking taylor expansion of 1 in b
8.188 * [backup-simplify]: Simplify 1 into 1
8.188 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.189 * [backup-simplify]: Simplify (+ 0 0) into 0
8.189 * [taylor]: Taking taylor expansion of 0 in b
8.189 * [backup-simplify]: Simplify 0 into 0
8.189 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.190 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.190 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
8.190 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
8.190 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
8.190 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
8.190 * [taylor]: Taking taylor expansion of (pow b 2) in b
8.190 * [taylor]: Taking taylor expansion of b in b
8.190 * [backup-simplify]: Simplify 0 into 0
8.190 * [backup-simplify]: Simplify 1 into 1
8.190 * [backup-simplify]: Simplify (* 1 1) into 1
8.190 * [backup-simplify]: Simplify (/ 1 1) into 1
8.191 * [backup-simplify]: Simplify (- 1) into -1
8.191 * [backup-simplify]: Simplify -1 into -1
8.191 * [backup-simplify]: Simplify 1 into 1
8.191 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.192 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.192 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
8.192 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
8.192 * [backup-simplify]: Simplify (- 0) into 0
8.192 * [backup-simplify]: Simplify (+ 0 0) into 0
8.192 * [taylor]: Taking taylor expansion of 0 in b
8.192 * [backup-simplify]: Simplify 0 into 0
8.193 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.193 * [backup-simplify]: Simplify (- 0) into 0
8.193 * [backup-simplify]: Simplify 0 into 0
8.193 * [backup-simplify]: Simplify 0 into 0
8.193 * [backup-simplify]: Simplify 0 into 0
8.194 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.194 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.195 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
8.195 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
8.195 * [backup-simplify]: Simplify (- 0) into 0
8.195 * [backup-simplify]: Simplify (+ 0 0) into 0
8.195 * [taylor]: Taking taylor expansion of 0 in b
8.195 * [backup-simplify]: Simplify 0 into 0
8.196 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.196 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.197 * [backup-simplify]: Simplify (- 0) into 0
8.197 * [backup-simplify]: Simplify 0 into 0
8.197 * [backup-simplify]: Simplify 0 into 0
8.197 * [backup-simplify]: Simplify 0 into 0
8.197 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
8.197 * * * [progress]: simplifying candidates
8.198 * [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))
8.198 * * [simplify]: Extracting # 0 : cost  0
8.198 * * [simplify]: Extracting # 1 : cost  0
8.198 * * [simplify]: Extracting # 2 : cost  0
8.198 * * [simplify]: Extracting # 3 : cost  0
8.198 * * [simplify]: Extracting # 4 : cost  0
8.198 * * [simplify]: Extracting # 5 : cost  0
8.198 * * [simplify]: iteration  0 :  38  enodes  (cost  214 )
8.209 * * [simplify]: Extracting # 0 : cost  0
8.210 * * [simplify]: Extracting # 1 : cost  0
8.210 * * [simplify]: Extracting # 2 : cost  0
8.210 * * [simplify]: Extracting # 3 : cost  0
8.210 * * [simplify]: Extracting # 4 : cost  0
8.210 * * [simplify]: iteration  1 :  100  enodes  (cost  205 )
8.245 * * [simplify]: Extracting # 0 : cost  0
8.245 * * [simplify]: Extracting # 1 : cost  0
8.246 * * [simplify]: Extracting # 2 : cost  0
8.246 * * [simplify]: Extracting # 3 : cost  0
8.246 * * [simplify]: Extracting # 4 : cost  0
8.246 * * [simplify]: iteration  2 :  291  enodes  (cost  175 )
8.347 * * [simplify]: Extracting # 0 : cost  0
8.348 * * [simplify]: Extracting # 1 : cost  0
8.349 * * [simplify]: Extracting # 2 : cost  0
8.350 * * [simplify]: Extracting # 3 : cost  0
8.351 * * [simplify]: Extracting # 4 : cost  0
8.352 * * [simplify]: iteration  3 :  922  enodes  (cost  175 )
9.142 * * [simplify]: Extracting # 0 : cost  0
9.147 * * [simplify]: Extracting # 1 : cost  0
9.374 * * [simplify]: Extracting # 2 : cost  0
9.378 * * [simplify]: Extracting # 3 : cost  0
9.382 * * [simplify]: Extracting # 4 : cost  0
9.385 * * [simplify]: iteration  4 :  4017  enodes  (cost  170 )
10.299 * * [simplify]: Extracting # 0 : cost  0
10.304 * * [simplify]: Extracting # 1 : cost  0
10.308 * * [simplify]: iteration done:  5000  enodes  (cost  170 )
10.308 * [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)))
10.308 * * * [progress]: adding candidates to table
10.345 * * [progress]: iteration 2 / 4
10.345 * * * [progress]: picking best candidate
10.346 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
10.346 * * * [progress]: localizing error
10.350 * * * [progress]: generating rewritten candidates
10.350 * * * [progress]: generating series expansions
10.350 * * * [progress]: simplifying candidates
10.350 * [simplify]: Simplifying:
  
10.350 * * [simplify]: Extracting # 0 : cost  0
10.350 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
10.351 * * [simplify]: Extracting # 0 : cost  0
10.351 * * [simplify]: iteration done:  0  enodes  (cost  0 )
10.351 * [simplify]: Simplified to:
  
10.351 * * * [progress]: adding candidates to table
10.351 * [progress]: [Phase 3 of 3] Extracting.
10.352 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
10.352 * * [simplify]: Extracting # 0 : cost  0
10.352 * * [simplify]: Extracting # 1 : cost  0
10.352 * * [simplify]: Extracting # 2 : cost  0
10.352 * * [simplify]: Extracting # 3 : cost  0
10.352 * * [simplify]: Extracting # 4 : cost  0
10.352 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
10.352 * * [simplify]: Extracting # 0 : cost  0
10.352 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
10.353 * * [simplify]: Extracting # 0 : cost  0
10.353 * * [simplify]: iteration done:  7  enodes  (cost  7 )
10.353 * [simplify]: Simplified to:
  (* (+ a b) (- a b))
10.918 * [regime-testing]: End program error score: 0.0005000625078134767
10.934 * [regime-testing]: Target error score: 0.0005000625078134767