28.491 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying:
  (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.044 * * [simplify]: iteration 0: 10 enodes
0.047 * * [simplify]: iteration 1: 20 enodes
0.053 * * [simplify]: iteration 2: 43 enodes
0.069 * * [simplify]: iteration 3: 121 enodes
0.100 * * [simplify]: iteration 4: 297 enodes
0.220 * * [simplify]: iteration 5: 652 enodes
0.479 * * [simplify]: iteration 6: 1530 enodes
1.746 * * [simplify]: iteration 7: 3361 enodes
4.039 * * [simplify]: iteration complete: 5000 enodes
4.039 * * [simplify]: Extracting #0: cost 1 inf + 0
4.040 * * [simplify]: Extracting #1: cost 119 inf + 0
4.042 * * [simplify]: Extracting #2: cost 398 inf + 254
4.048 * * [simplify]: Extracting #3: cost 230 inf + 22233
4.065 * * [simplify]: Extracting #4: cost 9 inf + 42334
4.088 * * [simplify]: Extracting #5: cost 0 inf + 43421
4.112 * [simplify]: Simplified to:
  (* (- (/ (- x y) z) 0.5) 4.0)
4.120 * * [progress]: iteration 1 / 4
4.121 * * * [progress]: picking best candidate
4.128 * * * * [pick]: Picked  #<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))>
4.128 * * * [progress]: localizing error
4.144 * * * [progress]: generating rewritten candidates
4.144 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
4.173 * * * [progress]: generating series expansions
4.173 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
4.173 * [backup-simplify]: Simplify (/ (- x y) z) into (/ (- x y) z)
4.173 * [approximate]: Taking taylor expansion of (/ (- x y) z) in (x y z) around 0
4.173 * [taylor]: Taking taylor expansion of (/ (- x y) z) in z
4.173 * [taylor]: Taking taylor expansion of (- x y) in z
4.173 * [taylor]: Taking taylor expansion of x in z
4.173 * [backup-simplify]: Simplify x into x
4.173 * [taylor]: Taking taylor expansion of y in z
4.173 * [backup-simplify]: Simplify y into y
4.173 * [taylor]: Taking taylor expansion of z in z
4.173 * [backup-simplify]: Simplify 0 into 0
4.173 * [backup-simplify]: Simplify 1 into 1
4.173 * [backup-simplify]: Simplify (- y) into (- y)
4.173 * [backup-simplify]: Simplify (+ x (- y)) into (- x y)
4.173 * [backup-simplify]: Simplify (/ (- x y) 1) into (- x y)
4.173 * [taylor]: Taking taylor expansion of (/ (- x y) z) in y
4.173 * [taylor]: Taking taylor expansion of (- x y) in y
4.173 * [taylor]: Taking taylor expansion of x in y
4.173 * [backup-simplify]: Simplify x into x
4.173 * [taylor]: Taking taylor expansion of y in y
4.173 * [backup-simplify]: Simplify 0 into 0
4.173 * [backup-simplify]: Simplify 1 into 1
4.173 * [taylor]: Taking taylor expansion of z in y
4.173 * [backup-simplify]: Simplify z into z
4.174 * [backup-simplify]: Simplify (- 0) into 0
4.174 * [backup-simplify]: Simplify (+ x 0) into x
4.174 * [backup-simplify]: Simplify (/ x z) into (/ x z)
4.174 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
4.174 * [taylor]: Taking taylor expansion of (- x y) in x
4.174 * [taylor]: Taking taylor expansion of x in x
4.174 * [backup-simplify]: Simplify 0 into 0
4.174 * [backup-simplify]: Simplify 1 into 1
4.174 * [taylor]: Taking taylor expansion of y in x
4.174 * [backup-simplify]: Simplify y into y
4.174 * [taylor]: Taking taylor expansion of z in x
4.174 * [backup-simplify]: Simplify z into z
4.174 * [backup-simplify]: Simplify (- y) into (- y)
4.175 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
4.175 * [backup-simplify]: Simplify (/ (- y) z) into (* -1 (/ y z))
4.175 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
4.175 * [taylor]: Taking taylor expansion of (- x y) in x
4.175 * [taylor]: Taking taylor expansion of x in x
4.175 * [backup-simplify]: Simplify 0 into 0
4.175 * [backup-simplify]: Simplify 1 into 1
4.175 * [taylor]: Taking taylor expansion of y in x
4.175 * [backup-simplify]: Simplify y into y
4.175 * [taylor]: Taking taylor expansion of z in x
4.175 * [backup-simplify]: Simplify z into z
4.175 * [backup-simplify]: Simplify (- y) into (- y)
4.175 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
4.175 * [backup-simplify]: Simplify (/ (- y) z) into (* -1 (/ y z))
4.175 * [taylor]: Taking taylor expansion of (* -1 (/ y z)) in y
4.175 * [taylor]: Taking taylor expansion of -1 in y
4.175 * [backup-simplify]: Simplify -1 into -1
4.175 * [taylor]: Taking taylor expansion of (/ y z) in y
4.175 * [taylor]: Taking taylor expansion of y in y
4.175 * [backup-simplify]: Simplify 0 into 0
4.175 * [backup-simplify]: Simplify 1 into 1
4.175 * [taylor]: Taking taylor expansion of z in y
4.175 * [backup-simplify]: Simplify z into z
4.175 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
4.176 * [backup-simplify]: Simplify (- 0) into 0
4.176 * [backup-simplify]: Simplify (+ 1 0) into 1
4.176 * [backup-simplify]: Simplify (- (/ 1 z) (+ (* (* -1 (/ y z)) (/ 0 z)))) into (/ 1 z)
4.176 * [taylor]: Taking taylor expansion of (/ 1 z) in y
4.176 * [taylor]: Taking taylor expansion of z in y
4.176 * [backup-simplify]: Simplify z into z
4.176 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
4.176 * [taylor]: Taking taylor expansion of (/ 1 z) in z
4.176 * [taylor]: Taking taylor expansion of z in z
4.176 * [backup-simplify]: Simplify 0 into 0
4.176 * [backup-simplify]: Simplify 1 into 1
4.177 * [backup-simplify]: Simplify (/ 1 1) into 1
4.177 * [backup-simplify]: Simplify 1 into 1
4.177 * [backup-simplify]: Simplify (* -1 (/ 1 z)) into (/ -1 z)
4.177 * [taylor]: Taking taylor expansion of (/ -1 z) in z
4.177 * [taylor]: Taking taylor expansion of -1 in z
4.177 * [backup-simplify]: Simplify -1 into -1
4.177 * [taylor]: Taking taylor expansion of z in z
4.177 * [backup-simplify]: Simplify 0 into 0
4.177 * [backup-simplify]: Simplify 1 into 1
4.177 * [backup-simplify]: Simplify (/ -1 1) into -1
4.178 * [backup-simplify]: Simplify -1 into -1
4.178 * [backup-simplify]: Simplify (- 0) into 0
4.178 * [backup-simplify]: Simplify (+ 0 0) into 0
4.178 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (* -1 (/ y z)) (/ 0 z)) (* (/ 1 z) (/ 0 z)))) into 0
4.178 * [taylor]: Taking taylor expansion of 0 in y
4.178 * [backup-simplify]: Simplify 0 into 0
4.178 * [taylor]: Taking taylor expansion of 0 in z
4.179 * [backup-simplify]: Simplify 0 into 0
4.179 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
4.179 * [taylor]: Taking taylor expansion of 0 in z
4.179 * [backup-simplify]: Simplify 0 into 0
4.179 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
4.179 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 z))) into 0
4.179 * [taylor]: Taking taylor expansion of 0 in z
4.179 * [backup-simplify]: Simplify 0 into 0
4.180 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.180 * [backup-simplify]: Simplify 0 into 0
4.181 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
4.181 * [backup-simplify]: Simplify 0 into 0
4.181 * [backup-simplify]: Simplify (- 0) into 0
4.182 * [backup-simplify]: Simplify (+ 0 0) into 0
4.182 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (* -1 (/ y z)) (/ 0 z)) (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
4.182 * [taylor]: Taking taylor expansion of 0 in y
4.182 * [backup-simplify]: Simplify 0 into 0
4.182 * [taylor]: Taking taylor expansion of 0 in z
4.182 * [backup-simplify]: Simplify 0 into 0
4.182 * [taylor]: Taking taylor expansion of 0 in z
4.182 * [backup-simplify]: Simplify 0 into 0
4.182 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
4.182 * [taylor]: Taking taylor expansion of 0 in z
4.182 * [backup-simplify]: Simplify 0 into 0
4.182 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
4.183 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
4.183 * [taylor]: Taking taylor expansion of 0 in z
4.183 * [backup-simplify]: Simplify 0 into 0
4.183 * [backup-simplify]: Simplify 0 into 0
4.183 * [backup-simplify]: Simplify 0 into 0
4.183 * [backup-simplify]: Simplify 0 into 0
4.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.184 * [backup-simplify]: Simplify 0 into 0
4.184 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 z) (* y 1))) (* 1 (* (/ 1 z) (* 1 x)))) into (- (/ x z) (/ y z))
4.185 * [backup-simplify]: Simplify (/ (- (/ 1 x) (/ 1 y)) (/ 1 z)) into (* z (- (/ 1 x) (/ 1 y)))
4.185 * [approximate]: Taking taylor expansion of (* z (- (/ 1 x) (/ 1 y))) in (x y z) around 0
4.185 * [taylor]: Taking taylor expansion of (* z (- (/ 1 x) (/ 1 y))) in z
4.185 * [taylor]: Taking taylor expansion of z in z
4.185 * [backup-simplify]: Simplify 0 into 0
4.185 * [backup-simplify]: Simplify 1 into 1
4.185 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
4.185 * [taylor]: Taking taylor expansion of (/ 1 x) in z
4.185 * [taylor]: Taking taylor expansion of x in z
4.185 * [backup-simplify]: Simplify x into x
4.185 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.185 * [taylor]: Taking taylor expansion of (/ 1 y) in z
4.185 * [taylor]: Taking taylor expansion of y in z
4.185 * [backup-simplify]: Simplify y into y
4.185 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.185 * [taylor]: Taking taylor expansion of (* z (- (/ 1 x) (/ 1 y))) in y
4.185 * [taylor]: Taking taylor expansion of z in y
4.185 * [backup-simplify]: Simplify z into z
4.185 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
4.185 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.185 * [taylor]: Taking taylor expansion of x in y
4.185 * [backup-simplify]: Simplify x into x
4.185 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.185 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.185 * [taylor]: Taking taylor expansion of y in y
4.185 * [backup-simplify]: Simplify 0 into 0
4.185 * [backup-simplify]: Simplify 1 into 1
4.186 * [backup-simplify]: Simplify (/ 1 1) into 1
4.186 * [taylor]: Taking taylor expansion of (* z (- (/ 1 x) (/ 1 y))) in x
4.186 * [taylor]: Taking taylor expansion of z in x
4.186 * [backup-simplify]: Simplify z into z
4.186 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
4.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.186 * [taylor]: Taking taylor expansion of x in x
4.186 * [backup-simplify]: Simplify 0 into 0
4.186 * [backup-simplify]: Simplify 1 into 1
4.186 * [backup-simplify]: Simplify (/ 1 1) into 1
4.186 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.186 * [taylor]: Taking taylor expansion of y in x
4.186 * [backup-simplify]: Simplify y into y
4.186 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.186 * [taylor]: Taking taylor expansion of (* z (- (/ 1 x) (/ 1 y))) in x
4.186 * [taylor]: Taking taylor expansion of z in x
4.186 * [backup-simplify]: Simplify z into z
4.186 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
4.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.186 * [taylor]: Taking taylor expansion of x in x
4.186 * [backup-simplify]: Simplify 0 into 0
4.186 * [backup-simplify]: Simplify 1 into 1
4.187 * [backup-simplify]: Simplify (/ 1 1) into 1
4.187 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.187 * [taylor]: Taking taylor expansion of y in x
4.187 * [backup-simplify]: Simplify y into y
4.187 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.187 * [backup-simplify]: Simplify (+ 1 0) into 1
4.187 * [backup-simplify]: Simplify (* z 1) into z
4.187 * [taylor]: Taking taylor expansion of z in y
4.188 * [backup-simplify]: Simplify z into z
4.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.188 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
4.188 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
4.189 * [backup-simplify]: Simplify (+ (* z (- (/ 1 y))) (* 0 1)) into (- (/ z y))
4.189 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
4.189 * [taylor]: Taking taylor expansion of (/ z y) in y
4.189 * [taylor]: Taking taylor expansion of z in y
4.189 * [backup-simplify]: Simplify z into z
4.189 * [taylor]: Taking taylor expansion of y in y
4.189 * [backup-simplify]: Simplify 0 into 0
4.189 * [backup-simplify]: Simplify 1 into 1
4.189 * [backup-simplify]: Simplify (/ z 1) into z
4.189 * [backup-simplify]: Simplify (- z) into (- z)
4.189 * [taylor]: Taking taylor expansion of (- z) in z
4.189 * [taylor]: Taking taylor expansion of z in z
4.189 * [backup-simplify]: Simplify 0 into 0
4.189 * [backup-simplify]: Simplify 1 into 1
4.190 * [backup-simplify]: Simplify (- 0) into 0
4.190 * [backup-simplify]: Simplify 0 into 0
4.190 * [taylor]: Taking taylor expansion of z in z
4.190 * [backup-simplify]: Simplify 0 into 0
4.190 * [backup-simplify]: Simplify 1 into 1
4.190 * [backup-simplify]: Simplify 0 into 0
4.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.191 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.191 * [backup-simplify]: Simplify (- 0) into 0
4.191 * [backup-simplify]: Simplify (+ 0 0) into 0
4.192 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
4.192 * [taylor]: Taking taylor expansion of 0 in y
4.192 * [backup-simplify]: Simplify 0 into 0
4.193 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
4.193 * [backup-simplify]: Simplify (- 0) into 0
4.193 * [taylor]: Taking taylor expansion of 0 in z
4.193 * [backup-simplify]: Simplify 0 into 0
4.193 * [backup-simplify]: Simplify 0 into 0
4.193 * [taylor]: Taking taylor expansion of 0 in z
4.193 * [backup-simplify]: Simplify 0 into 0
4.193 * [backup-simplify]: Simplify 0 into 0
4.194 * [backup-simplify]: Simplify (- 1) into -1
4.194 * [backup-simplify]: Simplify -1 into -1
4.194 * [backup-simplify]: Simplify 1 into 1
4.194 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.195 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.195 * [backup-simplify]: Simplify (- 0) into 0
4.195 * [backup-simplify]: Simplify (+ 0 0) into 0
4.196 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
4.196 * [taylor]: Taking taylor expansion of 0 in y
4.196 * [backup-simplify]: Simplify 0 into 0
4.196 * [taylor]: Taking taylor expansion of 0 in z
4.196 * [backup-simplify]: Simplify 0 into 0
4.196 * [backup-simplify]: Simplify 0 into 0
4.197 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.198 * [backup-simplify]: Simplify (- 0) into 0
4.198 * [taylor]: Taking taylor expansion of 0 in z
4.198 * [backup-simplify]: Simplify 0 into 0
4.198 * [backup-simplify]: Simplify 0 into 0
4.198 * [taylor]: Taking taylor expansion of 0 in z
4.198 * [backup-simplify]: Simplify 0 into 0
4.198 * [backup-simplify]: Simplify 0 into 0
4.198 * [backup-simplify]: Simplify 0 into 0
4.198 * [backup-simplify]: Simplify 0 into 0
4.199 * [backup-simplify]: Simplify (- 0) into 0
4.199 * [backup-simplify]: Simplify 0 into 0
4.199 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 z) (* 1 (/ 1 (/ 1 x))))) (* -1 (* (/ 1 z) (* (/ 1 (/ 1 y)) 1)))) into (- (/ x z) (/ y z))
4.199 * [backup-simplify]: Simplify (/ (- (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) into (* -1 (* (- (/ 1 y) (/ 1 x)) z))
4.200 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) z)) in (x y z) around 0
4.200 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) z)) in z
4.200 * [taylor]: Taking taylor expansion of -1 in z
4.200 * [backup-simplify]: Simplify -1 into -1
4.200 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) z) in z
4.200 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
4.200 * [taylor]: Taking taylor expansion of (/ 1 y) in z
4.200 * [taylor]: Taking taylor expansion of y in z
4.200 * [backup-simplify]: Simplify y into y
4.200 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.200 * [taylor]: Taking taylor expansion of (/ 1 x) in z
4.200 * [taylor]: Taking taylor expansion of x in z
4.200 * [backup-simplify]: Simplify x into x
4.200 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.200 * [taylor]: Taking taylor expansion of z in z
4.200 * [backup-simplify]: Simplify 0 into 0
4.200 * [backup-simplify]: Simplify 1 into 1
4.200 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) z)) in y
4.200 * [taylor]: Taking taylor expansion of -1 in y
4.200 * [backup-simplify]: Simplify -1 into -1
4.200 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) z) in y
4.200 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
4.200 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.200 * [taylor]: Taking taylor expansion of y in y
4.200 * [backup-simplify]: Simplify 0 into 0
4.200 * [backup-simplify]: Simplify 1 into 1
4.201 * [backup-simplify]: Simplify (/ 1 1) into 1
4.201 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.201 * [taylor]: Taking taylor expansion of x in y
4.201 * [backup-simplify]: Simplify x into x
4.201 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.201 * [taylor]: Taking taylor expansion of z in y
4.201 * [backup-simplify]: Simplify z into z
4.201 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) z)) in x
4.201 * [taylor]: Taking taylor expansion of -1 in x
4.201 * [backup-simplify]: Simplify -1 into -1
4.201 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) z) in x
4.201 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
4.201 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.201 * [taylor]: Taking taylor expansion of y in x
4.201 * [backup-simplify]: Simplify y into y
4.201 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.201 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.201 * [taylor]: Taking taylor expansion of x in x
4.201 * [backup-simplify]: Simplify 0 into 0
4.201 * [backup-simplify]: Simplify 1 into 1
4.201 * [backup-simplify]: Simplify (/ 1 1) into 1
4.201 * [taylor]: Taking taylor expansion of z in x
4.201 * [backup-simplify]: Simplify z into z
4.202 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) z)) in x
4.202 * [taylor]: Taking taylor expansion of -1 in x
4.202 * [backup-simplify]: Simplify -1 into -1
4.202 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) z) in x
4.202 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
4.202 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.202 * [taylor]: Taking taylor expansion of y in x
4.202 * [backup-simplify]: Simplify y into y
4.202 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.202 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.202 * [taylor]: Taking taylor expansion of x in x
4.202 * [backup-simplify]: Simplify 0 into 0
4.202 * [backup-simplify]: Simplify 1 into 1
4.202 * [backup-simplify]: Simplify (/ 1 1) into 1
4.202 * [taylor]: Taking taylor expansion of z in x
4.202 * [backup-simplify]: Simplify z into z
4.203 * [backup-simplify]: Simplify (- 1) into -1
4.203 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.203 * [backup-simplify]: Simplify (* -1 z) into (* -1 z)
4.203 * [backup-simplify]: Simplify (* -1 (* -1 z)) into z
4.203 * [taylor]: Taking taylor expansion of z in y
4.203 * [backup-simplify]: Simplify z into z
4.204 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.204 * [backup-simplify]: Simplify (- 0) into 0
4.204 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
4.205 * [backup-simplify]: Simplify (+ (* -1 0) (* (/ 1 y) z)) into (/ z y)
4.205 * [backup-simplify]: Simplify (+ (* -1 (/ z y)) (* 0 (* -1 z))) into (- (/ z y))
4.205 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
4.205 * [taylor]: Taking taylor expansion of (/ z y) in y
4.205 * [taylor]: Taking taylor expansion of z in y
4.205 * [backup-simplify]: Simplify z into z
4.205 * [taylor]: Taking taylor expansion of y in y
4.205 * [backup-simplify]: Simplify 0 into 0
4.205 * [backup-simplify]: Simplify 1 into 1
4.205 * [backup-simplify]: Simplify (/ z 1) into z
4.205 * [backup-simplify]: Simplify (- z) into (- z)
4.205 * [taylor]: Taking taylor expansion of (- z) in z
4.205 * [taylor]: Taking taylor expansion of z in z
4.205 * [backup-simplify]: Simplify 0 into 0
4.205 * [backup-simplify]: Simplify 1 into 1
4.206 * [backup-simplify]: Simplify (- 0) into 0
4.206 * [backup-simplify]: Simplify 0 into 0
4.206 * [taylor]: Taking taylor expansion of z in z
4.206 * [backup-simplify]: Simplify 0 into 0
4.206 * [backup-simplify]: Simplify 1 into 1
4.206 * [backup-simplify]: Simplify 0 into 0
4.206 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.207 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.207 * [backup-simplify]: Simplify (- 0) into 0
4.207 * [backup-simplify]: Simplify (+ 0 0) into 0
4.208 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (* 0 z))) into 0
4.208 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ z y)) (* 0 (* -1 z)))) into 0
4.208 * [taylor]: Taking taylor expansion of 0 in y
4.208 * [backup-simplify]: Simplify 0 into 0
4.209 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
4.210 * [backup-simplify]: Simplify (- 0) into 0
4.210 * [taylor]: Taking taylor expansion of 0 in z
4.210 * [backup-simplify]: Simplify 0 into 0
4.210 * [backup-simplify]: Simplify 0 into 0
4.210 * [taylor]: Taking taylor expansion of 0 in z
4.210 * [backup-simplify]: Simplify 0 into 0
4.210 * [backup-simplify]: Simplify 0 into 0
4.210 * [backup-simplify]: Simplify (- 1) into -1
4.210 * [backup-simplify]: Simplify -1 into -1
4.210 * [backup-simplify]: Simplify 1 into 1
4.210 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.211 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.211 * [backup-simplify]: Simplify (- 0) into 0
4.212 * [backup-simplify]: Simplify (+ 0 0) into 0
4.213 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 z)))) into 0
4.213 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ z y)) (* 0 (* -1 z))))) into 0
4.213 * [taylor]: Taking taylor expansion of 0 in y
4.214 * [backup-simplify]: Simplify 0 into 0
4.214 * [taylor]: Taking taylor expansion of 0 in z
4.214 * [backup-simplify]: Simplify 0 into 0
4.214 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.215 * [backup-simplify]: Simplify (- 0) into 0
4.215 * [taylor]: Taking taylor expansion of 0 in z
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [taylor]: Taking taylor expansion of 0 in z
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.215 * [backup-simplify]: Simplify 0 into 0
4.216 * [backup-simplify]: Simplify (- 0) into 0
4.216 * [backup-simplify]: Simplify 0 into 0
4.216 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (- z)) (* 1 (/ 1 (/ 1 (- x)))))) (* -1 (* (/ 1 (- z)) (* (/ 1 (/ 1 (- y))) 1)))) into (- (/ x z) (/ y z))
4.216 * * * [progress]: simplifying candidates
4.217 * [simplify]: Simplifying:
  (expm1 (/ (- x y) z))
  (log1p (/ (- x y) z))
  (- (log (- x y)) (log z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* z z) 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))
  (- (- x y))
  (- z)
  (/ x z)
  (/ y z)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- x y)) (cbrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z))
  (/ (cbrt (- x y)) (sqrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) z)
  (/ (sqrt (- x y)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- x y)) (cbrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  (/ 1 1)
  (/ (- x y) z)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt x) (sqrt y)) (cbrt z))
  (/ (+ (sqrt x) (sqrt y)) (sqrt z))
  (/ (- (sqrt x) (sqrt y)) (sqrt z))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  (/ 1 1)
  (/ (- x y) z)
  (/ 1 z)
  (/ z (- x y))
  (/ (- x y) (* (cbrt z) (cbrt z)))
  (/ (- x y) (sqrt z))
  (/ (- x y) 1)
  (/ z (cbrt (- x y)))
  (/ z (sqrt (- x y)))
  (/ z (- x y))
  (/ z (- (sqrt x) (sqrt y)))
  (/ z (- x y))
  (* z (+ (* x x) (+ (* y y) (* x y))))
  (* z (+ x y))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
4.218 * * [simplify]: iteration 0: 75 enodes
4.241 * * [simplify]: iteration 1: 165 enodes
4.296 * * [simplify]: iteration 2: 371 enodes
4.454 * * [simplify]: iteration 3: 1208 enodes
5.403 * * [simplify]: iteration 4: 4281 enodes
6.359 * * [simplify]: iteration complete: 5000 enodes
6.359 * * [simplify]: Extracting #0: cost 44 inf + 0
6.364 * * [simplify]: Extracting #1: cost 624 inf + 1
6.371 * * [simplify]: Extracting #2: cost 1151 inf + 11831
6.388 * * [simplify]: Extracting #3: cost 623 inf + 74343
6.420 * * [simplify]: Extracting #4: cost 81 inf + 160622
6.460 * * [simplify]: Extracting #5: cost 0 inf + 172469
6.500 * * [simplify]: Extracting #6: cost 0 inf + 172098
6.539 * [simplify]: Simplified to:
  (expm1 (/ (- x y) z))
  (log1p (/ (- x y) z))
  (log (/ (- x y) z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (* (/ (- x y) z) (* (/ (- x y) z) (/ (- x 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))
  (- (- x y))
  (- z)
  (/ x z)
  (/ y z)
  (* (/ (cbrt (- x y)) (cbrt z)) (/ (cbrt (- x y)) (cbrt z)))
  (/ (cbrt (- x y)) (cbrt z))
  (* (cbrt (- x y)) (/ (cbrt (- x y)) (sqrt z)))
  (/ (cbrt (- x y)) (sqrt z))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) z)
  (/ (sqrt (- x y)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- x y)) (cbrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (sqrt (- x y))
  (/ (sqrt (- x y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  1
  (/ (- x y) z)
  (/ (/ (+ (sqrt y) (sqrt x)) (cbrt z)) (cbrt z))
  (/ (- (sqrt x) (sqrt y)) (cbrt z))
  (/ (+ (sqrt y) (sqrt x)) (sqrt z))
  (/ (- (sqrt x) (sqrt y)) (sqrt z))
  (+ (sqrt y) (sqrt x))
  (/ (- (sqrt x) (sqrt y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  1
  (/ (- x y) z)
  (/ 1 z)
  (/ z (- x y))
  (/ (/ (- x y) (cbrt z)) (cbrt z))
  (/ (- x y) (sqrt z))
  (- x y)
  (/ z (cbrt (- x y)))
  (/ z (sqrt (- x y)))
  (/ z (- x y))
  (/ z (- (sqrt x) (sqrt y)))
  (/ z (- x y))
  (* (fma y (+ y x) (* x x)) z)
  (* (+ y x) z)
  (/ (- x y) z)
  (/ (- x y) z)
  (/ (- x y) z)
6.541 * * * [progress]: adding candidates to table
6.742 * [progress]: [Phase 3 of 3] Extracting.
6.746 * [simplify]: Simplifying:
  (* (- (/ (- x y) z) 0.5) 4.0)
6.746 * * [simplify]: iteration 0: 9 enodes
6.746 * * [simplify]: iteration 1: 10 enodes
6.747 * * [simplify]: iteration complete: 10 enodes
6.747 * * [simplify]: Extracting #0: cost 1 inf + 0
6.747 * * [simplify]: Extracting #1: cost 3 inf + 0
6.747 * * [simplify]: Extracting #2: cost 4 inf + 1
6.747 * * [simplify]: Extracting #3: cost 5 inf + 2
6.747 * * [simplify]: Extracting #4: cost 6 inf + 3
6.747 * * [simplify]: Extracting #5: cost 4 inf + 5
6.747 * * [simplify]: Extracting #6: cost 0 inf + 419
6.747 * [simplify]: Simplified to:
  (* 4.0 (- (/ (- x y) z) 0.5))
7.905 * [regime-testing]: Baseline error score: 0.007699082697927386
7.914 * [regime-testing]: Oracle error score: 0.007699082697927386
7.914 * [regime-testing]: End program error score: 0.007699082697927386
8.026 * [regime-testing]: Target error score: 0.0068971027630256665