51.534 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* x (- y z)) (- t z))
0.019 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.020 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.022 * * [simplify]: iteration  2 :  29  enodes  (cost  9 )
0.026 * * [simplify]: iteration  3 :  56  enodes  (cost  9 )
0.035 * * [simplify]: iteration  4 :  84  enodes  (cost  9 )
0.045 * * [simplify]: iteration  5 :  110  enodes  (cost  9 )
0.058 * * [simplify]: iteration  6 :  135  enodes  (cost  9 )
0.075 * * [simplify]: iteration  7 :  147  enodes  (cost  9 )
0.094 * * [simplify]: iteration  8 :  156  enodes  (cost  9 )
0.111 * * [simplify]: iteration  9 :  157  enodes  (cost  9 )
0.130 * * [simplify]: iteration  done :  157  enodes  (cost  9 )
0.130 * [simplify]: Simplified to:
   (/ (* x (- y z)) (- t z))
0.131 * * [progress]: iteration 1 / 4
0.131 * * * [progress]: picking best candidate
0.133 * * * * [pick]: Picked  #<alt (λ (x y z t) (/ (* x (- y z)) (- t z)))>
0.133 * * * [progress]: localizing error
0.139 * * * [progress]: generating rewritten candidates
0.139 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.153 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.168 * * * [progress]: generating series expansions
0.168 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.168 * [approximate]: Taking taylor expansion of (/ (* (- y z) x) (- t z)) in (x y z t) around 0
0.168 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) (- t z)) in t
0.168 * [taylor]: Taking taylor expansion of (* (- y z) x) in t
0.168 * [taylor]: Taking taylor expansion of (- y z) in t
0.168 * [taylor]: Taking taylor expansion of y in t
0.168 * [taylor]: Taking taylor expansion of z in t
0.168 * [taylor]: Taking taylor expansion of x in t
0.168 * [taylor]: Taking taylor expansion of (- t z) in t
0.168 * [taylor]: Taking taylor expansion of t in t
0.168 * [taylor]: Taking taylor expansion of z in t
0.168 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) (- t z)) in z
0.168 * [taylor]: Taking taylor expansion of (* (- y z) x) in z
0.168 * [taylor]: Taking taylor expansion of (- y z) in z
0.168 * [taylor]: Taking taylor expansion of y in z
0.168 * [taylor]: Taking taylor expansion of z in z
0.168 * [taylor]: Taking taylor expansion of x in z
0.168 * [taylor]: Taking taylor expansion of (- t z) in z
0.168 * [taylor]: Taking taylor expansion of t in z
0.168 * [taylor]: Taking taylor expansion of z in z
0.169 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) (- t z)) in y
0.169 * [taylor]: Taking taylor expansion of (* (- y z) x) in y
0.169 * [taylor]: Taking taylor expansion of (- y z) in y
0.169 * [taylor]: Taking taylor expansion of y in y
0.169 * [taylor]: Taking taylor expansion of z in y
0.169 * [taylor]: Taking taylor expansion of x in y
0.169 * [taylor]: Taking taylor expansion of (- t z) in y
0.169 * [taylor]: Taking taylor expansion of t in y
0.169 * [taylor]: Taking taylor expansion of z in y
0.169 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) (- t z)) in x
0.169 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.169 * [taylor]: Taking taylor expansion of (- y z) in x
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [taylor]: Taking taylor expansion of z in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [taylor]: Taking taylor expansion of (- t z) in x
0.169 * [taylor]: Taking taylor expansion of t in x
0.169 * [taylor]: Taking taylor expansion of z in x
0.170 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) (- t z)) in x
0.170 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.170 * [taylor]: Taking taylor expansion of (- y z) in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of z in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.171 * [taylor]: Taking taylor expansion of (- t z) in x
0.171 * [taylor]: Taking taylor expansion of t in x
0.171 * [taylor]: Taking taylor expansion of z in x
0.172 * [taylor]: Taking taylor expansion of (/ (- y z) (- t z)) in y
0.172 * [taylor]: Taking taylor expansion of (- y z) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of z in y
0.172 * [taylor]: Taking taylor expansion of (- t z) in y
0.172 * [taylor]: Taking taylor expansion of t in y
0.172 * [taylor]: Taking taylor expansion of z in y
0.172 * [taylor]: Taking taylor expansion of (* -1 (/ z (- t z))) in z
0.172 * [taylor]: Taking taylor expansion of -1 in z
0.172 * [taylor]: Taking taylor expansion of (/ z (- t z)) in z
0.172 * [taylor]: Taking taylor expansion of z in z
0.172 * [taylor]: Taking taylor expansion of (- t z) in z
0.172 * [taylor]: Taking taylor expansion of t in z
0.172 * [taylor]: Taking taylor expansion of z in z
0.174 * [taylor]: Taking taylor expansion of 0 in y
0.174 * [taylor]: Taking taylor expansion of 0 in z
0.174 * [taylor]: Taking taylor expansion of 0 in t
0.175 * [taylor]: Taking taylor expansion of (/ 1 (- t z)) in z
0.175 * [taylor]: Taking taylor expansion of (- t z) in z
0.175 * [taylor]: Taking taylor expansion of t in z
0.175 * [taylor]: Taking taylor expansion of z in z
0.175 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.175 * [taylor]: Taking taylor expansion of t in t
0.176 * [taylor]: Taking taylor expansion of (/ -1 t) in t
0.176 * [taylor]: Taking taylor expansion of -1 in t
0.176 * [taylor]: Taking taylor expansion of t in t
0.178 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [taylor]: Taking taylor expansion of 0 in z
0.178 * [taylor]: Taking taylor expansion of 0 in t
0.178 * [taylor]: Taking taylor expansion of 0 in z
0.178 * [taylor]: Taking taylor expansion of 0 in t
0.180 * [taylor]: Taking taylor expansion of 0 in z
0.180 * [taylor]: Taking taylor expansion of 0 in t
0.180 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (* (- (/ 1 t) (/ 1 z)) x)) in (x y z t) around 0
0.180 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (* (- (/ 1 t) (/ 1 z)) x)) in t
0.180 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in t
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.180 * [taylor]: Taking taylor expansion of y in t
0.180 * [taylor]: Taking taylor expansion of (/ 1 z) in t
0.180 * [taylor]: Taking taylor expansion of z in t
0.180 * [taylor]: Taking taylor expansion of (* (- (/ 1 t) (/ 1 z)) x) in t
0.180 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in t
0.180 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.180 * [taylor]: Taking taylor expansion of t in t
0.180 * [taylor]: Taking taylor expansion of (/ 1 z) in t
0.180 * [taylor]: Taking taylor expansion of z in t
0.180 * [taylor]: Taking taylor expansion of x in t
0.181 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (* (- (/ 1 t) (/ 1 z)) x)) in z
0.181 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in z
0.181 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.181 * [taylor]: Taking taylor expansion of y in z
0.181 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.181 * [taylor]: Taking taylor expansion of z in z
0.181 * [taylor]: Taking taylor expansion of (* (- (/ 1 t) (/ 1 z)) x) in z
0.181 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in z
0.181 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.181 * [taylor]: Taking taylor expansion of t in z
0.181 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.181 * [taylor]: Taking taylor expansion of z in z
0.182 * [taylor]: Taking taylor expansion of x in z
0.183 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (* (- (/ 1 t) (/ 1 z)) x)) in y
0.183 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.183 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.183 * [taylor]: Taking taylor expansion of y in y
0.183 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.183 * [taylor]: Taking taylor expansion of z in y
0.183 * [taylor]: Taking taylor expansion of (* (- (/ 1 t) (/ 1 z)) x) in y
0.183 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in y
0.183 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.183 * [taylor]: Taking taylor expansion of t in y
0.183 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.183 * [taylor]: Taking taylor expansion of z in y
0.183 * [taylor]: Taking taylor expansion of x in y
0.184 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (* (- (/ 1 t) (/ 1 z)) x)) in x
0.184 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.184 * [taylor]: Taking taylor expansion of y in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.184 * [taylor]: Taking taylor expansion of z in x
0.184 * [taylor]: Taking taylor expansion of (* (- (/ 1 t) (/ 1 z)) x) in x
0.184 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.184 * [taylor]: Taking taylor expansion of t in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.184 * [taylor]: Taking taylor expansion of z in x
0.184 * [taylor]: Taking taylor expansion of x in x
0.185 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (* (- (/ 1 t) (/ 1 z)) x)) in x
0.185 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.185 * [taylor]: Taking taylor expansion of y in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.185 * [taylor]: Taking taylor expansion of z in x
0.185 * [taylor]: Taking taylor expansion of (* (- (/ 1 t) (/ 1 z)) x) in x
0.185 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.186 * [taylor]: Taking taylor expansion of t in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.186 * [taylor]: Taking taylor expansion of z in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) (- (/ 1 t) (/ 1 z))) in y
0.187 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.187 * [taylor]: Taking taylor expansion of y in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.187 * [taylor]: Taking taylor expansion of z in y
0.187 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.187 * [taylor]: Taking taylor expansion of t in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.187 * [taylor]: Taking taylor expansion of z in y
0.188 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 t) (/ 1 z))) in z
0.188 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in z
0.188 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.188 * [taylor]: Taking taylor expansion of t in z
0.188 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.188 * [taylor]: Taking taylor expansion of z in z
0.191 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [taylor]: Taking taylor expansion of (- (/ 1 (* (- (/ 1 t) (/ 1 z)) z))) in z
0.192 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 t) (/ 1 z)) z)) in z
0.192 * [taylor]: Taking taylor expansion of (* (- (/ 1 t) (/ 1 z)) z) in z
0.192 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in z
0.193 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.193 * [taylor]: Taking taylor expansion of t in z
0.193 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.193 * [taylor]: Taking taylor expansion of z in z
0.193 * [taylor]: Taking taylor expansion of z in z
0.195 * [taylor]: Taking taylor expansion of 1 in t
0.195 * [taylor]: Taking taylor expansion of -1 in t
0.197 * [taylor]: Taking taylor expansion of 0 in y
0.197 * [taylor]: Taking taylor expansion of 0 in z
0.197 * [taylor]: Taking taylor expansion of 0 in t
0.199 * [taylor]: Taking taylor expansion of 0 in z
0.199 * [taylor]: Taking taylor expansion of 0 in t
0.201 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.201 * [taylor]: Taking taylor expansion of t in t
0.206 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.206 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.206 * [taylor]: Taking taylor expansion of t in t
0.208 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t))))) in (x y z t) around 0
0.208 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t))))) in t
0.208 * [taylor]: Taking taylor expansion of -1 in t
0.208 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t)))) in t
0.208 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in t
0.208 * [taylor]: Taking taylor expansion of (/ 1 z) in t
0.208 * [taylor]: Taking taylor expansion of z in t
0.208 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.208 * [taylor]: Taking taylor expansion of y in t
0.208 * [taylor]: Taking taylor expansion of (* x (- (/ 1 z) (/ 1 t))) in t
0.208 * [taylor]: Taking taylor expansion of x in t
0.208 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in t
0.208 * [taylor]: Taking taylor expansion of (/ 1 z) in t
0.208 * [taylor]: Taking taylor expansion of z in t
0.208 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.208 * [taylor]: Taking taylor expansion of t in t
0.210 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t))))) in z
0.210 * [taylor]: Taking taylor expansion of -1 in z
0.210 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t)))) in z
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in z
0.210 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.210 * [taylor]: Taking taylor expansion of z in z
0.210 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.210 * [taylor]: Taking taylor expansion of y in z
0.210 * [taylor]: Taking taylor expansion of (* x (- (/ 1 z) (/ 1 t))) in z
0.210 * [taylor]: Taking taylor expansion of x in z
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in z
0.210 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.210 * [taylor]: Taking taylor expansion of z in z
0.210 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.210 * [taylor]: Taking taylor expansion of t in z
0.211 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t))))) in y
0.211 * [taylor]: Taking taylor expansion of -1 in y
0.211 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t)))) in y
0.211 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.211 * [taylor]: Taking taylor expansion of z in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.211 * [taylor]: Taking taylor expansion of y in y
0.211 * [taylor]: Taking taylor expansion of (* x (- (/ 1 z) (/ 1 t))) in y
0.211 * [taylor]: Taking taylor expansion of x in y
0.211 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.211 * [taylor]: Taking taylor expansion of z in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.211 * [taylor]: Taking taylor expansion of t in y
0.212 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t))))) in x
0.212 * [taylor]: Taking taylor expansion of -1 in x
0.212 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t)))) in x
0.212 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.212 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.212 * [taylor]: Taking taylor expansion of z in x
0.212 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.212 * [taylor]: Taking taylor expansion of y in x
0.212 * [taylor]: Taking taylor expansion of (* x (- (/ 1 z) (/ 1 t))) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.213 * [taylor]: Taking taylor expansion of z in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.213 * [taylor]: Taking taylor expansion of t in x
0.214 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t))))) in x
0.214 * [taylor]: Taking taylor expansion of -1 in x
0.214 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) (* x (- (/ 1 z) (/ 1 t)))) in x
0.214 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.214 * [taylor]: Taking taylor expansion of z in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (* x (- (/ 1 z) (/ 1 t))) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.214 * [taylor]: Taking taylor expansion of z in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.214 * [taylor]: Taking taylor expansion of t in x
0.216 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 t)))) in y
0.216 * [taylor]: Taking taylor expansion of -1 in y
0.216 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) (- (/ 1 z) (/ 1 t))) in y
0.216 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.216 * [taylor]: Taking taylor expansion of z in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.216 * [taylor]: Taking taylor expansion of z in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.216 * [taylor]: Taking taylor expansion of t in y
0.217 * [taylor]: Taking taylor expansion of (/ 1 (- (/ 1 z) (/ 1 t))) in z
0.217 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in z
0.217 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.217 * [taylor]: Taking taylor expansion of z in z
0.217 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.217 * [taylor]: Taking taylor expansion of t in z
0.221 * [taylor]: Taking taylor expansion of 0 in y
0.222 * [taylor]: Taking taylor expansion of (- (/ 1 (* z (- (/ 1 z) (/ 1 t))))) in z
0.222 * [taylor]: Taking taylor expansion of (/ 1 (* z (- (/ 1 z) (/ 1 t)))) in z
0.222 * [taylor]: Taking taylor expansion of (* z (- (/ 1 z) (/ 1 t))) in z
0.222 * [taylor]: Taking taylor expansion of z in z
0.222 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in z
0.222 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.222 * [taylor]: Taking taylor expansion of z in z
0.223 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.223 * [taylor]: Taking taylor expansion of t in z
0.224 * [taylor]: Taking taylor expansion of -1 in t
0.225 * [taylor]: Taking taylor expansion of 1 in t
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.228 * [taylor]: Taking taylor expansion of 0 in z
0.228 * [taylor]: Taking taylor expansion of 0 in t
0.230 * [taylor]: Taking taylor expansion of 0 in z
0.230 * [taylor]: Taking taylor expansion of 0 in t
0.232 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.232 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.232 * [taylor]: Taking taylor expansion of t in t
0.234 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.234 * [taylor]: Taking taylor expansion of t in t
0.235 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.235 * [approximate]: Taking taylor expansion of (* (- y z) x) in (x y z) around 0
0.235 * [taylor]: Taking taylor expansion of (* (- y z) x) in z
0.235 * [taylor]: Taking taylor expansion of (- y z) in z
0.235 * [taylor]: Taking taylor expansion of y in z
0.235 * [taylor]: Taking taylor expansion of z in z
0.235 * [taylor]: Taking taylor expansion of x in z
0.235 * [taylor]: Taking taylor expansion of (* (- y z) x) in y
0.236 * [taylor]: Taking taylor expansion of (- y z) in y
0.236 * [taylor]: Taking taylor expansion of y in y
0.236 * [taylor]: Taking taylor expansion of z in y
0.236 * [taylor]: Taking taylor expansion of x in y
0.236 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.236 * [taylor]: Taking taylor expansion of (- y z) in x
0.236 * [taylor]: Taking taylor expansion of y in x
0.236 * [taylor]: Taking taylor expansion of z in x
0.236 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.236 * [taylor]: Taking taylor expansion of (- y z) in x
0.236 * [taylor]: Taking taylor expansion of y in x
0.236 * [taylor]: Taking taylor expansion of z in x
0.236 * [taylor]: Taking taylor expansion of x in x
0.236 * [taylor]: Taking taylor expansion of 0 in y
0.236 * [taylor]: Taking taylor expansion of 0 in z
0.237 * [taylor]: Taking taylor expansion of (- y z) in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of z in y
0.237 * [taylor]: Taking taylor expansion of (- z) in z
0.237 * [taylor]: Taking taylor expansion of z in z
0.237 * [taylor]: Taking taylor expansion of 0 in z
0.238 * [taylor]: Taking taylor expansion of 0 in y
0.238 * [taylor]: Taking taylor expansion of 0 in z
0.239 * [taylor]: Taking taylor expansion of 1 in z
0.239 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [taylor]: Taking taylor expansion of 0 in y
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.241 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in (x y z) around 0
0.241 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in z
0.241 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in z
0.241 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.241 * [taylor]: Taking taylor expansion of y in z
0.241 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.241 * [taylor]: Taking taylor expansion of z in z
0.241 * [taylor]: Taking taylor expansion of x in z
0.242 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in y
0.242 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.242 * [taylor]: Taking taylor expansion of y in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.242 * [taylor]: Taking taylor expansion of z in y
0.242 * [taylor]: Taking taylor expansion of x in y
0.242 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in x
0.242 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.242 * [taylor]: Taking taylor expansion of y in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.242 * [taylor]: Taking taylor expansion of z in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in x
0.243 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.243 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.243 * [taylor]: Taking taylor expansion of y in x
0.243 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.243 * [taylor]: Taking taylor expansion of z in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.243 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.243 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.243 * [taylor]: Taking taylor expansion of z in y
0.244 * [taylor]: Taking taylor expansion of 1 in z
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.245 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.245 * [taylor]: Taking taylor expansion of z in z
0.247 * [taylor]: Taking taylor expansion of 0 in y
0.248 * [taylor]: Taking taylor expansion of 0 in z
0.249 * [taylor]: Taking taylor expansion of 0 in z
0.251 * [taylor]: Taking taylor expansion of 0 in y
0.251 * [taylor]: Taking taylor expansion of 0 in z
0.251 * [taylor]: Taking taylor expansion of 0 in z
0.252 * [taylor]: Taking taylor expansion of 0 in z
0.253 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in (x y z) around 0
0.254 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in z
0.254 * [taylor]: Taking taylor expansion of -1 in z
0.254 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in z
0.254 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in z
0.254 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.254 * [taylor]: Taking taylor expansion of z in z
0.254 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.254 * [taylor]: Taking taylor expansion of y in z
0.254 * [taylor]: Taking taylor expansion of x in z
0.254 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in y
0.254 * [taylor]: Taking taylor expansion of -1 in y
0.254 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in y
0.254 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.254 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.254 * [taylor]: Taking taylor expansion of z in y
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.255 * [taylor]: Taking taylor expansion of y in y
0.255 * [taylor]: Taking taylor expansion of x in y
0.255 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in x
0.255 * [taylor]: Taking taylor expansion of -1 in x
0.255 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in x
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.255 * [taylor]: Taking taylor expansion of z in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in x
0.256 * [taylor]: Taking taylor expansion of -1 in x
0.256 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in x
0.256 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.256 * [taylor]: Taking taylor expansion of z in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.256 * [taylor]: Taking taylor expansion of y in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (* -1 (- (/ 1 z) (/ 1 y))) in y
0.256 * [taylor]: Taking taylor expansion of -1 in y
0.256 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.256 * [taylor]: Taking taylor expansion of z in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.256 * [taylor]: Taking taylor expansion of y in y
0.257 * [taylor]: Taking taylor expansion of 1 in z
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.260 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.260 * [taylor]: Taking taylor expansion of z in z
0.262 * [taylor]: Taking taylor expansion of 0 in y
0.262 * [taylor]: Taking taylor expansion of 0 in z
0.264 * [taylor]: Taking taylor expansion of 0 in z
0.267 * [taylor]: Taking taylor expansion of 0 in y
0.267 * [taylor]: Taking taylor expansion of 0 in z
0.267 * [taylor]: Taking taylor expansion of 0 in z
0.270 * [taylor]: Taking taylor expansion of 0 in z
0.271 * * * [progress]: simplifying candidates
0.272 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (* x (- y z)) (- t z)))
  (log1p (/ (* x (- y z)) (- t z)))
  (- (+ (log x) (log (- y z))) (log (- t z)))
  (- (log (* x (- y z))) (log (- t z)))
  (log (/ (* x (- y z)) (- t z)))
  (exp (/ (* x (- y z)) (- t z)))
  (/ (* (* (* x x) x) (* (* (- y z) (- y z)) (- y z))) (* (* (- t z) (- t z)) (- t z)))
  (/ (* (* (* x (- y z)) (* x (- y z))) (* x (- y z))) (* (* (- t z) (- t z)) (- t z)))
  (* (cbrt (/ (* x (- y z)) (- t z))) (cbrt (/ (* x (- y z)) (- t z))))
  (cbrt (/ (* x (- y z)) (- t z)))
  (* (* (/ (* x (- y z)) (- t z)) (/ (* x (- y z)) (- t z))) (/ (* x (- y z)) (- t z)))
  (sqrt (/ (* x (- y z)) (- t z)))
  (sqrt (/ (* x (- y z)) (- t z)))
  (- (* x (- y z)))
  (- (- t z))
  (/ x (* (cbrt (- t z)) (cbrt (- t z))))
  (/ (- y z) (cbrt (- t z)))
  (/ x (sqrt (- t z)))
  (/ (- y z) (sqrt (- t z)))
  (/ x 1)
  (/ (- y z) (- t z))
  (/ x (+ (sqrt t) (sqrt z)))
  (/ (- y z) (- (sqrt t) (sqrt z)))
  (/ x 1)
  (/ (- y z) (- t z))
  (/ 1 (- t z))
  (/ (- t z) (* x (- y z)))
  (/ (* x (- y z)) (* (cbrt (- t z)) (cbrt (- t z))))
  (/ (* x (- y z)) (sqrt (- t z)))
  (/ (* x (- y z)) 1)
  (/ (* x (- y z)) (+ (sqrt t) (sqrt z)))
  (/ (* x (- y z)) 1)
  (/ (- t z) (- y z))
  (/ (* x (- y z)) (- (pow t 3) (pow z 3)))
  (/ (* x (- y z)) (- (* t t) (* z z)))
  (* (- t z) (+ (* y y) (+ (* z z) (* y z))))
  (* (- t z) (+ y z))
  (expm1 (* x (- y z)))
  (log1p (* x (- y z)))
  (* x (- y z))
  (+ (log x) (log (- y z)))
  (log (* x (- y z)))
  (exp (* x (- y z)))
  (* (* (* x x) x) (* (* (- y z) (- y z)) (- y z)))
  (* (cbrt (* x (- y z))) (cbrt (* x (- y z))))
  (cbrt (* x (- y z)))
  (* (* (* x (- y z)) (* x (- y z))) (* x (- y z)))
  (sqrt (* x (- y z)))
  (sqrt (* x (- y z)))
  (* (sqrt x) (sqrt (- y z)))
  (* (sqrt x) (sqrt (- y z)))
  (* x (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (cbrt z) (* (cbrt z) (cbrt z))))))
  (* x (fma (- (cbrt z)) (* (cbrt z) (cbrt z)) (* (cbrt z) (* (cbrt z) (cbrt z)))))
  (* x (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (sqrt z) (sqrt z)))))
  (* x (fma (- (sqrt z)) (sqrt z) (* (sqrt z) (sqrt z))))
  (* x (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* z 1))))
  (* x (fma (- z) 1 (* z 1)))
  (* x (fma (sqrt y) (sqrt y) (- (* (cbrt z) (* (cbrt z) (cbrt z))))))
  (* x (fma (- (cbrt z)) (* (cbrt z) (cbrt z)) (* (cbrt z) (* (cbrt z) (cbrt z)))))
  (* x (fma (sqrt y) (sqrt y) (- (* (sqrt z) (sqrt z)))))
  (* x (fma (- (sqrt z)) (sqrt z) (* (sqrt z) (sqrt z))))
  (* x (fma (sqrt y) (sqrt y) (- (* z 1))))
  (* x (fma (- z) 1 (* z 1)))
  (* x (fma 1 y (- (* (cbrt z) (* (cbrt z) (cbrt z))))))
  (* x (fma (- (cbrt z)) (* (cbrt z) (cbrt z)) (* (cbrt z) (* (cbrt z) (cbrt z)))))
  (* x (fma 1 y (- (* (sqrt z) (sqrt z)))))
  (* x (fma (- (sqrt z)) (sqrt z) (* (sqrt z) (sqrt z))))
  (* x (fma 1 y (- (* z 1))))
  (* x (fma (- z) 1 (* z 1)))
  (* x y)
  (* x (- z))
  (* x y)
  (* x (- z))
  (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (cbrt z) (* (cbrt z) (cbrt z))))) x)
  (* (fma (- (cbrt z)) (* (cbrt z) (cbrt z)) (* (cbrt z) (* (cbrt z) (cbrt z)))) x)
  (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (sqrt z) (sqrt z)))) x)
  (* (fma (- (sqrt z)) (sqrt z) (* (sqrt z) (sqrt z))) x)
  (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* z 1))) x)
  (* (fma (- z) 1 (* z 1)) x)
  (* (fma (sqrt y) (sqrt y) (- (* (cbrt z) (* (cbrt z) (cbrt z))))) x)
  (* (fma (- (cbrt z)) (* (cbrt z) (cbrt z)) (* (cbrt z) (* (cbrt z) (cbrt z)))) x)
  (* (fma (sqrt y) (sqrt y) (- (* (sqrt z) (sqrt z)))) x)
  (* (fma (- (sqrt z)) (sqrt z) (* (sqrt z) (sqrt z))) x)
  (* (fma (sqrt y) (sqrt y) (- (* z 1))) x)
  (* (fma (- z) 1 (* z 1)) x)
  (* (fma 1 y (- (* (cbrt z) (* (cbrt z) (cbrt z))))) x)
  (* (fma (- (cbrt z)) (* (cbrt z) (cbrt z)) (* (cbrt z) (* (cbrt z) (cbrt z)))) x)
  (* (fma 1 y (- (* (sqrt z) (sqrt z)))) x)
  (* (fma (- (sqrt z)) (sqrt z) (* (sqrt z) (sqrt z))) x)
  (* (fma 1 y (- (* z 1))) x)
  (* (fma (- z) 1 (* z 1)) x)
  (* y x)
  (* (- z) x)
  (* y x)
  (* (- z) x)
  (* x (* (cbrt (- y z)) (cbrt (- y z))))
  (* x (sqrt (- y z)))
  (* x 1)
  (* x (+ (sqrt y) (sqrt z)))
  (* x 1)
  (* (cbrt x) (- y z))
  (* (sqrt x) (- y z))
  (* x (- y z))
  (* x (- (pow y 3) (pow z 3)))
  (* x (- (* y y) (* z z)))
  0
  0
  0
  (- (* x y) (* x z))
  (- (* x y) (* x z))
  (- (* x y) (* x z))
0.276 * * [simplify]: iteration  0 :  157  enodes  (cost  1123 )