0.446 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* x 2.0) (- (* y z) (* t z)))
0.027 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.028 * * [simplify]: iteration  1 :  20  enodes  (cost  9 )
0.031 * * [simplify]: iteration  2 :  46  enodes  (cost  9 )
0.036 * * [simplify]: iteration  3 :  87  enodes  (cost  9 )
0.046 * * [simplify]: iteration  4 :  131  enodes  (cost  9 )
0.062 * * [simplify]: iteration  5 :  178  enodes  (cost  9 )
0.086 * * [simplify]: iteration  6 :  218  enodes  (cost  9 )
0.116 * * [simplify]: iteration  7 :  236  enodes  (cost  9 )
0.147 * * [simplify]: iteration  8 :  239  enodes  (cost  9 )
0.179 * * [simplify]: iteration  done :  239  enodes  (cost  9 )
0.179 * [simplify]: Simplified to:
   (/ (* x 2.0) (* z (- y t)))
0.182 * * [progress]: iteration 1 / 4
0.182 * * * [progress]: picking best candidate
0.185 * * * * [pick]: Picked  #<alt (λ (x y z t) (/ (* x 2.0) (* z (- y t))))>
0.185 * * * [progress]: localizing error
0.192 * * * [progress]: generating rewritten candidates
0.192 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.199 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.213 * * * [progress]: generating series expansions
0.213 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.213 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in (x z y t) around 0
0.213 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in t
0.213 * [taylor]: Taking taylor expansion of 2.0 in t
0.213 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in t
0.213 * [taylor]: Taking taylor expansion of x in t
0.213 * [taylor]: Taking taylor expansion of (* (- y t) z) in t
0.213 * [taylor]: Taking taylor expansion of (- y t) in t
0.213 * [taylor]: Taking taylor expansion of y in t
0.213 * [taylor]: Taking taylor expansion of t in t
0.213 * [taylor]: Taking taylor expansion of z in t
0.214 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in y
0.214 * [taylor]: Taking taylor expansion of 2.0 in y
0.214 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in y
0.214 * [taylor]: Taking taylor expansion of x in y
0.214 * [taylor]: Taking taylor expansion of (* (- y t) z) in y
0.214 * [taylor]: Taking taylor expansion of (- y t) in y
0.214 * [taylor]: Taking taylor expansion of y in y
0.214 * [taylor]: Taking taylor expansion of t in y
0.214 * [taylor]: Taking taylor expansion of z in y
0.214 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in z
0.214 * [taylor]: Taking taylor expansion of 2.0 in z
0.214 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in z
0.214 * [taylor]: Taking taylor expansion of x in z
0.214 * [taylor]: Taking taylor expansion of (* (- y t) z) in z
0.214 * [taylor]: Taking taylor expansion of (- y t) in z
0.214 * [taylor]: Taking taylor expansion of y in z
0.214 * [taylor]: Taking taylor expansion of t in z
0.214 * [taylor]: Taking taylor expansion of z in z
0.219 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in x
0.219 * [taylor]: Taking taylor expansion of 2.0 in x
0.219 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in x
0.219 * [taylor]: Taking taylor expansion of x in x
0.219 * [taylor]: Taking taylor expansion of (* (- y t) z) in x
0.219 * [taylor]: Taking taylor expansion of (- y t) in x
0.219 * [taylor]: Taking taylor expansion of y in x
0.219 * [taylor]: Taking taylor expansion of t in x
0.219 * [taylor]: Taking taylor expansion of z in x
0.219 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in x
0.219 * [taylor]: Taking taylor expansion of 2.0 in x
0.219 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in x
0.219 * [taylor]: Taking taylor expansion of x in x
0.219 * [taylor]: Taking taylor expansion of (* (- y t) z) in x
0.219 * [taylor]: Taking taylor expansion of (- y t) in x
0.219 * [taylor]: Taking taylor expansion of y in x
0.219 * [taylor]: Taking taylor expansion of t in x
0.219 * [taylor]: Taking taylor expansion of z in x
0.219 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- y t) z)) in z
0.219 * [taylor]: Taking taylor expansion of 2.0 in z
0.219 * [taylor]: Taking taylor expansion of (* (- y t) z) in z
0.219 * [taylor]: Taking taylor expansion of (- y t) in z
0.219 * [taylor]: Taking taylor expansion of y in z
0.219 * [taylor]: Taking taylor expansion of t in z
0.219 * [taylor]: Taking taylor expansion of z in z
0.220 * [taylor]: Taking taylor expansion of (/ 2.0 (- y t)) in y
0.220 * [taylor]: Taking taylor expansion of 2.0 in y
0.220 * [taylor]: Taking taylor expansion of (- y t) in y
0.220 * [taylor]: Taking taylor expansion of y in y
0.220 * [taylor]: Taking taylor expansion of t in y
0.221 * [taylor]: Taking taylor expansion of (/ -2.0 t) in t
0.221 * [taylor]: Taking taylor expansion of -2.0 in t
0.221 * [taylor]: Taking taylor expansion of t in t
0.222 * [taylor]: Taking taylor expansion of 0 in z
0.223 * [taylor]: Taking taylor expansion of 0 in y
0.223 * [taylor]: Taking taylor expansion of 0 in t
0.224 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow t 2)))) in t
0.224 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow t 2))) in t
0.224 * [taylor]: Taking taylor expansion of 2.0 in t
0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow t 2)) in t
0.224 * [taylor]: Taking taylor expansion of (pow t 2) in t
0.224 * [taylor]: Taking taylor expansion of t in t
0.230 * [taylor]: Taking taylor expansion of 0 in z
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.230 * [taylor]: Taking taylor expansion of 0 in t
0.231 * [taylor]: Taking taylor expansion of 0 in y
0.231 * [taylor]: Taking taylor expansion of 0 in t
0.231 * [approximate]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 y) (/ 1 t))))) in (x z y t) around 0
0.231 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 y) (/ 1 t))))) in t
0.231 * [taylor]: Taking taylor expansion of 2.0 in t
0.231 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 y) (/ 1 t)))) in t
0.231 * [taylor]: Taking taylor expansion of z in t
0.231 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 t))) in t
0.231 * [taylor]: Taking taylor expansion of x in t
0.231 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in t
0.231 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.231 * [taylor]: Taking taylor expansion of y in t
0.231 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.231 * [taylor]: Taking taylor expansion of t in t
0.232 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 y) (/ 1 t))))) in y
0.232 * [taylor]: Taking taylor expansion of 2.0 in y
0.232 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 y) (/ 1 t)))) in y
0.232 * [taylor]: Taking taylor expansion of z in y
0.232 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 t))) in y
0.232 * [taylor]: Taking taylor expansion of x in y
0.232 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in y
0.232 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.232 * [taylor]: Taking taylor expansion of y in y
0.233 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.233 * [taylor]: Taking taylor expansion of t in y
0.233 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 y) (/ 1 t))))) in z
0.233 * [taylor]: Taking taylor expansion of 2.0 in z
0.233 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 y) (/ 1 t)))) in z
0.233 * [taylor]: Taking taylor expansion of z in z
0.233 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 t))) in z
0.233 * [taylor]: Taking taylor expansion of x in z
0.233 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in z
0.233 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.233 * [taylor]: Taking taylor expansion of y in z
0.233 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.233 * [taylor]: Taking taylor expansion of t in z
0.233 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 y) (/ 1 t))))) in x
0.234 * [taylor]: Taking taylor expansion of 2.0 in x
0.234 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 y) (/ 1 t)))) in x
0.234 * [taylor]: Taking taylor expansion of z in x
0.234 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 t))) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.234 * [taylor]: Taking taylor expansion of y in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.234 * [taylor]: Taking taylor expansion of t in x
0.235 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 y) (/ 1 t))))) in x
0.235 * [taylor]: Taking taylor expansion of 2.0 in x
0.235 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 y) (/ 1 t)))) in x
0.235 * [taylor]: Taking taylor expansion of z in x
0.235 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 t))) in x
0.235 * [taylor]: Taking taylor expansion of x in x
0.235 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.235 * [taylor]: Taking taylor expansion of y in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.235 * [taylor]: Taking taylor expansion of t in x
0.236 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (- (/ 1 y) (/ 1 t)))) in z
0.236 * [taylor]: Taking taylor expansion of 2.0 in z
0.236 * [taylor]: Taking taylor expansion of (/ z (- (/ 1 y) (/ 1 t))) in z
0.236 * [taylor]: Taking taylor expansion of z in z
0.236 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in z
0.236 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.236 * [taylor]: Taking taylor expansion of y in z
0.236 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.236 * [taylor]: Taking taylor expansion of t in z
0.237 * [taylor]: Taking taylor expansion of (/ 2.0 (- (/ 1 y) (/ 1 t))) in y
0.237 * [taylor]: Taking taylor expansion of 2.0 in y
0.237 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in y
0.237 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.237 * [taylor]: Taking taylor expansion of t in y
0.238 * [taylor]: Taking taylor expansion of 2.0 in t
0.239 * [taylor]: Taking taylor expansion of 0 in z
0.239 * [taylor]: Taking taylor expansion of 0 in y
0.239 * [taylor]: Taking taylor expansion of 0 in t
0.240 * [taylor]: Taking taylor expansion of 0 in y
0.241 * [taylor]: Taking taylor expansion of 0 in t
0.241 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 t)) in t
0.241 * [taylor]: Taking taylor expansion of 2.0 in t
0.241 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.241 * [taylor]: Taking taylor expansion of t in t
0.245 * [taylor]: Taking taylor expansion of 0 in z
0.246 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [taylor]: Taking taylor expansion of 0 in t
0.246 * [approximate]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 t) (/ 1 y))))) in (x z y t) around 0
0.246 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 t) (/ 1 y))))) in t
0.246 * [taylor]: Taking taylor expansion of 2.0 in t
0.246 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 t) (/ 1 y)))) in t
0.246 * [taylor]: Taking taylor expansion of z in t
0.246 * [taylor]: Taking taylor expansion of (* x (- (/ 1 t) (/ 1 y))) in t
0.246 * [taylor]: Taking taylor expansion of x in t
0.246 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in t
0.246 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.246 * [taylor]: Taking taylor expansion of t in t
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.246 * [taylor]: Taking taylor expansion of y in t
0.247 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 t) (/ 1 y))))) in y
0.247 * [taylor]: Taking taylor expansion of 2.0 in y
0.247 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 t) (/ 1 y)))) in y
0.247 * [taylor]: Taking taylor expansion of z in y
0.247 * [taylor]: Taking taylor expansion of (* x (- (/ 1 t) (/ 1 y))) in y
0.247 * [taylor]: Taking taylor expansion of x in y
0.247 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.247 * [taylor]: Taking taylor expansion of t in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.247 * [taylor]: Taking taylor expansion of y in y
0.248 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 t) (/ 1 y))))) in z
0.248 * [taylor]: Taking taylor expansion of 2.0 in z
0.248 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 t) (/ 1 y)))) in z
0.248 * [taylor]: Taking taylor expansion of z in z
0.248 * [taylor]: Taking taylor expansion of (* x (- (/ 1 t) (/ 1 y))) in z
0.248 * [taylor]: Taking taylor expansion of x in z
0.248 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in z
0.248 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.248 * [taylor]: Taking taylor expansion of t in z
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.248 * [taylor]: Taking taylor expansion of y in z
0.248 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 t) (/ 1 y))))) in x
0.248 * [taylor]: Taking taylor expansion of 2.0 in x
0.248 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 t) (/ 1 y)))) in x
0.248 * [taylor]: Taking taylor expansion of z in x
0.248 * [taylor]: Taking taylor expansion of (* x (- (/ 1 t) (/ 1 y))) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.248 * [taylor]: Taking taylor expansion of t in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.249 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (* x (- (/ 1 t) (/ 1 y))))) in x
0.249 * [taylor]: Taking taylor expansion of 2.0 in x
0.249 * [taylor]: Taking taylor expansion of (/ z (* x (- (/ 1 t) (/ 1 y)))) in x
0.249 * [taylor]: Taking taylor expansion of z in x
0.249 * [taylor]: Taking taylor expansion of (* x (- (/ 1 t) (/ 1 y))) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in x
0.249 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.249 * [taylor]: Taking taylor expansion of t in x
0.249 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.249 * [taylor]: Taking taylor expansion of y in x
0.251 * [taylor]: Taking taylor expansion of (* 2.0 (/ z (- (/ 1 t) (/ 1 y)))) in z
0.251 * [taylor]: Taking taylor expansion of 2.0 in z
0.251 * [taylor]: Taking taylor expansion of (/ z (- (/ 1 t) (/ 1 y))) in z
0.251 * [taylor]: Taking taylor expansion of z in z
0.251 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in z
0.251 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.251 * [taylor]: Taking taylor expansion of t in z
0.251 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.251 * [taylor]: Taking taylor expansion of y in z
0.251 * [taylor]: Taking taylor expansion of (/ 2.0 (- (/ 1 t) (/ 1 y))) in y
0.251 * [taylor]: Taking taylor expansion of 2.0 in y
0.251 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.251 * [taylor]: Taking taylor expansion of t in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of -2.0 in t
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of 0 in t
0.255 * [taylor]: Taking taylor expansion of 0 in y
0.255 * [taylor]: Taking taylor expansion of 0 in t
0.256 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 t))) in t
0.256 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 t)) in t
0.256 * [taylor]: Taking taylor expansion of 2.0 in t
0.256 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.256 * [taylor]: Taking taylor expansion of t in t
0.261 * [taylor]: Taking taylor expansion of 0 in z
0.261 * [taylor]: Taking taylor expansion of 0 in y
0.261 * [taylor]: Taking taylor expansion of 0 in t
0.261 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.261 * [approximate]: Taking taylor expansion of (* (- y t) z) in (z y t) around 0
0.261 * [taylor]: Taking taylor expansion of (* (- y t) z) in t
0.261 * [taylor]: Taking taylor expansion of (- y t) in t
0.261 * [taylor]: Taking taylor expansion of y in t
0.261 * [taylor]: Taking taylor expansion of t in t
0.261 * [taylor]: Taking taylor expansion of z in t
0.261 * [taylor]: Taking taylor expansion of (* (- y t) z) in y
0.261 * [taylor]: Taking taylor expansion of (- y t) in y
0.261 * [taylor]: Taking taylor expansion of y in y
0.261 * [taylor]: Taking taylor expansion of t in y
0.261 * [taylor]: Taking taylor expansion of z in y
0.261 * [taylor]: Taking taylor expansion of (* (- y t) z) in z
0.261 * [taylor]: Taking taylor expansion of (- y t) in z
0.261 * [taylor]: Taking taylor expansion of y in z
0.261 * [taylor]: Taking taylor expansion of t in z
0.261 * [taylor]: Taking taylor expansion of z in z
0.261 * [taylor]: Taking taylor expansion of (* (- y t) z) in z
0.261 * [taylor]: Taking taylor expansion of (- y t) in z
0.261 * [taylor]: Taking taylor expansion of y in z
0.261 * [taylor]: Taking taylor expansion of t in z
0.261 * [taylor]: Taking taylor expansion of z in z
0.261 * [taylor]: Taking taylor expansion of 0 in y
0.262 * [taylor]: Taking taylor expansion of 0 in t
0.262 * [taylor]: Taking taylor expansion of (- y t) in y
0.262 * [taylor]: Taking taylor expansion of y in y
0.262 * [taylor]: Taking taylor expansion of t in y
0.262 * [taylor]: Taking taylor expansion of (- t) in t
0.262 * [taylor]: Taking taylor expansion of t in t
0.263 * [taylor]: Taking taylor expansion of 0 in t
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [taylor]: Taking taylor expansion of 0 in t
0.264 * [taylor]: Taking taylor expansion of 1 in t
0.264 * [taylor]: Taking taylor expansion of 0 in t
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of 0 in t
0.265 * [taylor]: Taking taylor expansion of 0 in t
0.266 * [taylor]: Taking taylor expansion of 0 in t
0.266 * [taylor]: Taking taylor expansion of 0 in t
0.266 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 t)) z) in (z y t) around 0
0.266 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 t)) z) in t
0.266 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in t
0.266 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.266 * [taylor]: Taking taylor expansion of y in t
0.266 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.266 * [taylor]: Taking taylor expansion of t in t
0.267 * [taylor]: Taking taylor expansion of z in t
0.267 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 t)) z) in y
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.268 * [taylor]: Taking taylor expansion of t in y
0.268 * [taylor]: Taking taylor expansion of z in y
0.268 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 t)) z) in z
0.268 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in z
0.268 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.268 * [taylor]: Taking taylor expansion of y in z
0.268 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.268 * [taylor]: Taking taylor expansion of t in z
0.268 * [taylor]: Taking taylor expansion of z in z
0.268 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 t)) z) in z
0.268 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in z
0.268 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.268 * [taylor]: Taking taylor expansion of y in z
0.268 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.268 * [taylor]: Taking taylor expansion of t in z
0.268 * [taylor]: Taking taylor expansion of z in z
0.269 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 t)) in y
0.269 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.269 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.269 * [taylor]: Taking taylor expansion of t in y
0.269 * [taylor]: Taking taylor expansion of 1 in t
0.270 * [taylor]: Taking taylor expansion of 0 in y
0.271 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.271 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.271 * [taylor]: Taking taylor expansion of t in t
0.273 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [taylor]: Taking taylor expansion of 0 in t
0.274 * [taylor]: Taking taylor expansion of 0 in t
0.277 * [taylor]: Taking taylor expansion of 0 in y
0.277 * [taylor]: Taking taylor expansion of 0 in t
0.277 * [taylor]: Taking taylor expansion of 0 in t
0.278 * [taylor]: Taking taylor expansion of 0 in t
0.279 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 t) (/ 1 y)) z)) in (z y t) around 0
0.279 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 t) (/ 1 y)) z)) in t
0.279 * [taylor]: Taking taylor expansion of -1 in t
0.279 * [taylor]: Taking taylor expansion of (/ (- (/ 1 t) (/ 1 y)) z) in t
0.279 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in t
0.279 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.279 * [taylor]: Taking taylor expansion of t in t
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.280 * [taylor]: Taking taylor expansion of y in t
0.280 * [taylor]: Taking taylor expansion of z in t
0.280 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 t) (/ 1 y)) z)) in y
0.280 * [taylor]: Taking taylor expansion of -1 in y
0.280 * [taylor]: Taking taylor expansion of (/ (- (/ 1 t) (/ 1 y)) z) in y
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.280 * [taylor]: Taking taylor expansion of t in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [taylor]: Taking taylor expansion of z in y
0.281 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 t) (/ 1 y)) z)) in z
0.281 * [taylor]: Taking taylor expansion of -1 in z
0.281 * [taylor]: Taking taylor expansion of (/ (- (/ 1 t) (/ 1 y)) z) in z
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in z
0.281 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.281 * [taylor]: Taking taylor expansion of t in z
0.281 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.281 * [taylor]: Taking taylor expansion of y in z
0.281 * [taylor]: Taking taylor expansion of z in z
0.281 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 t) (/ 1 y)) z)) in z
0.281 * [taylor]: Taking taylor expansion of -1 in z
0.281 * [taylor]: Taking taylor expansion of (/ (- (/ 1 t) (/ 1 y)) z) in z
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in z
0.281 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.281 * [taylor]: Taking taylor expansion of t in z
0.281 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.281 * [taylor]: Taking taylor expansion of y in z
0.281 * [taylor]: Taking taylor expansion of z in z
0.282 * [taylor]: Taking taylor expansion of (* -1 (- (/ 1 t) (/ 1 y))) in y
0.282 * [taylor]: Taking taylor expansion of -1 in y
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 y)) in y
0.282 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.282 * [taylor]: Taking taylor expansion of t in y
0.282 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.282 * [taylor]: Taking taylor expansion of y in y
0.283 * [taylor]: Taking taylor expansion of 1 in t
0.284 * [taylor]: Taking taylor expansion of 0 in y
0.285 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.285 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.285 * [taylor]: Taking taylor expansion of t in t
0.288 * [taylor]: Taking taylor expansion of 0 in y
0.288 * [taylor]: Taking taylor expansion of 0 in t
0.290 * [taylor]: Taking taylor expansion of 0 in t
0.293 * [taylor]: Taking taylor expansion of 0 in y
0.293 * [taylor]: Taking taylor expansion of 0 in t
0.293 * [taylor]: Taking taylor expansion of 0 in t
0.295 * [taylor]: Taking taylor expansion of 0 in t
0.296 * * * [progress]: simplifying candidates
0.297 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (* x 2.0) (* z (- y t))))
  (log1p (/ (* x 2.0) (* z (- y t))))
  (- (+ (log x) (log 2.0)) (+ (log z) (log (- y t))))
  (- (+ (log x) (log 2.0)) (log (* z (- y t))))
  (- (log (* x 2.0)) (+ (log z) (log (- y t))))
  (- (log (* x 2.0)) (log (* z (- y t))))
  (log (/ (* x 2.0) (* z (- y t))))
  (exp (/ (* x 2.0) (* z (- y t))))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (* z z) z) (* (* (- y t) (- y t)) (- y t))))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (* z (- y t)) (* z (- y t))) (* z (- y t))))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (* z z) z) (* (* (- y t) (- y t)) (- y t))))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (* z (- y t)) (* z (- y t))) (* z (- y t))))
  (* (cbrt (/ (* x 2.0) (* z (- y t)))) (cbrt (/ (* x 2.0) (* z (- y t)))))
  (cbrt (/ (* x 2.0) (* z (- y t))))
  (* (* (/ (* x 2.0) (* z (- y t))) (/ (* x 2.0) (* z (- y t)))) (/ (* x 2.0) (* z (- y t))))
  (sqrt (/ (* x 2.0) (* z (- y t))))
  (sqrt (/ (* x 2.0) (* z (- y t))))
  (- (* x 2.0))
  (- (* z (- y t)))
  (/ x z)
  (/ 2.0 (- y t))
  (/ 1 (* z (- y t)))
  (/ (* z (- y t)) (* x 2.0))
  (/ (* x 2.0) z)
  (/ (* z (- y t)) 2.0)
  (/ (* x 2.0) (* z (- (pow y 3) (pow t 3))))
  (/ (* x 2.0) (* z (- (* y y) (* t t))))
  (expm1 (* z (- y t)))
  (log1p (* z (- y t)))
  (* z (- y t))
  (+ (log z) (log (- y t)))
  (log (* z (- y t)))
  (exp (* z (- y t)))
  (* (* (* z z) z) (* (* (- y t) (- y t)) (- y t)))
  (* (cbrt (* z (- y t))) (cbrt (* z (- y t))))
  (cbrt (* z (- y t)))
  (* (* (* z (- y t)) (* z (- y t))) (* z (- y t)))
  (sqrt (* z (- y t)))
  (sqrt (* z (- y t)))
  (* (sqrt z) (sqrt (- y t)))
  (* (sqrt z) (sqrt (- y t)))
  (* z (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (cbrt t) (* (cbrt t) (cbrt t))))))
  (* z (fma (- (cbrt t)) (* (cbrt t) (cbrt t)) (* (cbrt t) (* (cbrt t) (cbrt t)))))
  (* z (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (sqrt t) (sqrt t)))))
  (* z (fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t))))
  (* z (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* t 1))))
  (* z (fma (- t) 1 (* t 1)))
  (* z (fma (sqrt y) (sqrt y) (- (* (cbrt t) (* (cbrt t) (cbrt t))))))
  (* z (fma (- (cbrt t)) (* (cbrt t) (cbrt t)) (* (cbrt t) (* (cbrt t) (cbrt t)))))
  (* z (fma (sqrt y) (sqrt y) (- (* (sqrt t) (sqrt t)))))
  (* z (fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t))))
  (* z (fma (sqrt y) (sqrt y) (- (* t 1))))
  (* z (fma (- t) 1 (* t 1)))
  (* z (fma 1 y (- (* (cbrt t) (* (cbrt t) (cbrt t))))))
  (* z (fma (- (cbrt t)) (* (cbrt t) (cbrt t)) (* (cbrt t) (* (cbrt t) (cbrt t)))))
  (* z (fma 1 y (- (* (sqrt t) (sqrt t)))))
  (* z (fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t))))
  (* z (fma 1 y (- (* t 1))))
  (* z (fma (- t) 1 (* t 1)))
  (* z y)
  (* z (- t))
  (* z y)
  (* z (- t))
  (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (cbrt t) (* (cbrt t) (cbrt t))))) z)
  (* (fma (- (cbrt t)) (* (cbrt t) (cbrt t)) (* (cbrt t) (* (cbrt t) (cbrt t)))) z)
  (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (sqrt t) (sqrt t)))) z)
  (* (fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t))) z)
  (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* t 1))) z)
  (* (fma (- t) 1 (* t 1)) z)
  (* (fma (sqrt y) (sqrt y) (- (* (cbrt t) (* (cbrt t) (cbrt t))))) z)
  (* (fma (- (cbrt t)) (* (cbrt t) (cbrt t)) (* (cbrt t) (* (cbrt t) (cbrt t)))) z)
  (* (fma (sqrt y) (sqrt y) (- (* (sqrt t) (sqrt t)))) z)
  (* (fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t))) z)
  (* (fma (sqrt y) (sqrt y) (- (* t 1))) z)
  (* (fma (- t) 1 (* t 1)) z)
  (* (fma 1 y (- (* (cbrt t) (* (cbrt t) (cbrt t))))) z)
  (* (fma (- (cbrt t)) (* (cbrt t) (cbrt t)) (* (cbrt t) (* (cbrt t) (cbrt t)))) z)
  (* (fma 1 y (- (* (sqrt t) (sqrt t)))) z)
  (* (fma (- (sqrt t)) (sqrt t) (* (sqrt t) (sqrt t))) z)
  (* (fma 1 y (- (* t 1))) z)
  (* (fma (- t) 1 (* t 1)) z)
  (* y z)
  (* (- t) z)
  (* y z)
  (* (- t) z)
  (* z (* (cbrt (- y t)) (cbrt (- y t))))
  (* z (sqrt (- y t)))
  (* z 1)
  (* z (+ (sqrt y) (sqrt t)))
  (* z 1)
  (* (cbrt z) (- y t))
  (* (sqrt z) (- y t))
  (* z (- y t))
  (* z (- (pow y 3) (pow t 3)))
  (* z (- (* y y) (* t t)))
  0
  0
  0
  (- (* z y) (* t z))
  (- (* z y) (* t z))
  (- (* z y) (* t z))
0.301 * * [simplify]: iteration  0 :  145  enodes  (cost  1080 )