23.741 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
0.021 * * [simplify]: iteration 0: 7 enodes
0.023 * * [simplify]: iteration 1: 13 enodes
0.027 * * [simplify]: iteration 2: 30 enodes
0.037 * * [simplify]: iteration 3: 59 enodes
0.054 * * [simplify]: iteration 4: 61 enodes
0.072 * * [simplify]: iteration complete: 61 enodes
0.072 * * [simplify]: Extracting #0: cost 1 inf + 0
0.072 * * [simplify]: Extracting #1: cost 12 inf + 0
0.072 * * [simplify]: Extracting #2: cost 12 inf + 44
0.072 * * [simplify]: Extracting #3: cost 0 inf + 844
0.072 * * [simplify]: Extracting #4: cost 0 inf + 829
0.073 * [simplify]: Simplified to:
  (- x (* (* y z) 4.0))
0.074 * * [progress]: iteration 1 / 4
0.074 * * * [progress]: picking best candidate
0.077 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.077 * * * [progress]: localizing error
0.085 * * * [progress]: generating rewritten candidates
0.086 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.090 * * * [progress]: generating series expansions
0.090 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.091 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y)))
0.091 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.091 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.091 * [taylor]: Taking taylor expansion of x in z
0.091 * [backup-simplify]: Simplify x into x
0.091 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.091 * [taylor]: Taking taylor expansion of 4.0 in z
0.091 * [backup-simplify]: Simplify 4.0 into 4.0
0.091 * [taylor]: Taking taylor expansion of (* z y) in z
0.091 * [taylor]: Taking taylor expansion of z in z
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of y in z
0.091 * [backup-simplify]: Simplify y into y
0.091 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.091 * [taylor]: Taking taylor expansion of x in y
0.091 * [backup-simplify]: Simplify x into x
0.091 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.091 * [taylor]: Taking taylor expansion of 4.0 in y
0.091 * [backup-simplify]: Simplify 4.0 into 4.0
0.091 * [taylor]: Taking taylor expansion of (* z y) in y
0.091 * [taylor]: Taking taylor expansion of z in y
0.091 * [backup-simplify]: Simplify z into z
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.091 * [taylor]: Taking taylor expansion of 4.0 in x
0.091 * [backup-simplify]: Simplify 4.0 into 4.0
0.091 * [taylor]: Taking taylor expansion of (* z y) in x
0.091 * [taylor]: Taking taylor expansion of z in x
0.091 * [backup-simplify]: Simplify z into z
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [backup-simplify]: Simplify y into y
0.091 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.091 * [taylor]: Taking taylor expansion of 4.0 in x
0.091 * [backup-simplify]: Simplify 4.0 into 4.0
0.091 * [taylor]: Taking taylor expansion of (* z y) in x
0.091 * [taylor]: Taking taylor expansion of z in x
0.091 * [backup-simplify]: Simplify z into z
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [backup-simplify]: Simplify y into y
0.091 * [backup-simplify]: Simplify (* z y) into (* z y)
0.092 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.092 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.092 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.092 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.092 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.092 * [taylor]: Taking taylor expansion of 4.0 in y
0.092 * [backup-simplify]: Simplify 4.0 into 4.0
0.092 * [taylor]: Taking taylor expansion of (* z y) in y
0.092 * [taylor]: Taking taylor expansion of z in y
0.092 * [backup-simplify]: Simplify z into z
0.092 * [taylor]: Taking taylor expansion of y in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (* z 0) into 0
0.092 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.093 * [backup-simplify]: Simplify (- 0) into 0
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.093 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.093 * [backup-simplify]: Simplify (- 0) into 0
0.094 * [backup-simplify]: Simplify (+ 1 0) into 1
0.094 * [taylor]: Taking taylor expansion of 1 in y
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of 1 in z
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.094 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.095 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.095 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.095 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.095 * [taylor]: Taking taylor expansion of 4.0 in z
0.095 * [backup-simplify]: Simplify 4.0 into 4.0
0.095 * [taylor]: Taking taylor expansion of z in z
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.095 * [backup-simplify]: Simplify (- 0) into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.096 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.096 * [backup-simplify]: Simplify (- 0) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.098 * [backup-simplify]: Simplify (- 0) into 0
0.098 * [taylor]: Taking taylor expansion of 0 in z
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.098 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.098 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.098 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.098 * [taylor]: Taking taylor expansion of x in z
0.098 * [backup-simplify]: Simplify x into x
0.098 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.098 * [taylor]: Taking taylor expansion of 4.0 in z
0.098 * [backup-simplify]: Simplify 4.0 into 4.0
0.098 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.098 * [taylor]: Taking taylor expansion of (* z y) in z
0.098 * [taylor]: Taking taylor expansion of z in z
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of y in z
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (* 0 y) into 0
0.099 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.099 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.099 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.099 * [taylor]: Taking taylor expansion of x in y
0.099 * [backup-simplify]: Simplify x into x
0.099 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.099 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.099 * [taylor]: Taking taylor expansion of 4.0 in y
0.099 * [backup-simplify]: Simplify 4.0 into 4.0
0.099 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.099 * [taylor]: Taking taylor expansion of (* z y) in y
0.099 * [taylor]: Taking taylor expansion of z in y
0.099 * [backup-simplify]: Simplify z into z
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [backup-simplify]: Simplify (* z 0) into 0
0.099 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.099 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.099 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (/ 1 1) into 1
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.100 * [taylor]: Taking taylor expansion of 4.0 in x
0.100 * [backup-simplify]: Simplify 4.0 into 4.0
0.100 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.100 * [taylor]: Taking taylor expansion of (* z y) in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.100 * [backup-simplify]: Simplify z into z
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [backup-simplify]: Simplify y into y
0.100 * [backup-simplify]: Simplify (* z y) into (* z y)
0.100 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (/ 1 1) into 1
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.100 * [taylor]: Taking taylor expansion of 4.0 in x
0.100 * [backup-simplify]: Simplify 4.0 into 4.0
0.100 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.100 * [taylor]: Taking taylor expansion of (* z y) in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.100 * [backup-simplify]: Simplify z into z
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [backup-simplify]: Simplify y into y
0.100 * [backup-simplify]: Simplify (* z y) into (* z y)
0.100 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.101 * [backup-simplify]: Simplify (+ 1 0) into 1
0.101 * [taylor]: Taking taylor expansion of 1 in y
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.101 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.102 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.102 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.102 * [taylor]: Taking taylor expansion of 4.0 in y
0.102 * [backup-simplify]: Simplify 4.0 into 4.0
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.102 * [taylor]: Taking taylor expansion of (* z y) in y
0.102 * [taylor]: Taking taylor expansion of z in y
0.102 * [backup-simplify]: Simplify z into z
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify (* z 0) into 0
0.102 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.102 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.102 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.102 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.102 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.102 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.102 * [taylor]: Taking taylor expansion of 4.0 in z
0.102 * [backup-simplify]: Simplify 4.0 into 4.0
0.102 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.102 * [taylor]: Taking taylor expansion of z in z
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.102 * [backup-simplify]: Simplify (/ 1 1) into 1
0.103 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.103 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.103 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.103 * [taylor]: Taking taylor expansion of 1 in z
0.103 * [backup-simplify]: Simplify 1 into 1
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.104 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.105 * [backup-simplify]: Simplify (- 0) into 0
0.105 * [backup-simplify]: Simplify (+ 0 0) into 0
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.105 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.106 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.107 * [backup-simplify]: Simplify (- 0) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.108 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.108 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.110 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.110 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.111 * [backup-simplify]: Simplify (- 0) into 0
0.111 * [taylor]: Taking taylor expansion of 0 in z
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [taylor]: Taking taylor expansion of 0 in z
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.112 * [backup-simplify]: Simplify (- 0) into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.113 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [taylor]: Taking taylor expansion of 0 in z
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [taylor]: Taking taylor expansion of 0 in z
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.116 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.117 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.117 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.117 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.117 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.118 * [taylor]: Taking taylor expansion of 4.0 in z
0.118 * [backup-simplify]: Simplify 4.0 into 4.0
0.118 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.118 * [taylor]: Taking taylor expansion of (* z y) in z
0.118 * [taylor]: Taking taylor expansion of z in z
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of y in z
0.118 * [backup-simplify]: Simplify y into y
0.118 * [backup-simplify]: Simplify (* 0 y) into 0
0.118 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.118 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.118 * [taylor]: Taking taylor expansion of x in z
0.118 * [backup-simplify]: Simplify x into x
0.118 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.118 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.118 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.118 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.118 * [taylor]: Taking taylor expansion of 4.0 in y
0.118 * [backup-simplify]: Simplify 4.0 into 4.0
0.118 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.118 * [taylor]: Taking taylor expansion of (* z y) in y
0.118 * [taylor]: Taking taylor expansion of z in y
0.118 * [backup-simplify]: Simplify z into z
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (* z 0) into 0
0.119 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.119 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.119 * [taylor]: Taking taylor expansion of x in y
0.119 * [backup-simplify]: Simplify x into x
0.119 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.119 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.119 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.119 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.119 * [taylor]: Taking taylor expansion of 4.0 in x
0.119 * [backup-simplify]: Simplify 4.0 into 4.0
0.119 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.119 * [taylor]: Taking taylor expansion of (* z y) in x
0.119 * [taylor]: Taking taylor expansion of z in x
0.119 * [backup-simplify]: Simplify z into z
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [backup-simplify]: Simplify y into y
0.119 * [backup-simplify]: Simplify (* z y) into (* z y)
0.119 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (/ 1 1) into 1
0.119 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.119 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.119 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.119 * [taylor]: Taking taylor expansion of 4.0 in x
0.119 * [backup-simplify]: Simplify 4.0 into 4.0
0.119 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.119 * [taylor]: Taking taylor expansion of (* z y) in x
0.119 * [taylor]: Taking taylor expansion of z in x
0.119 * [backup-simplify]: Simplify z into z
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [backup-simplify]: Simplify y into y
0.119 * [backup-simplify]: Simplify (* z y) into (* z y)
0.119 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify (/ 1 1) into 1
0.120 * [backup-simplify]: Simplify (+ 0 1) into 1
0.120 * [backup-simplify]: Simplify (- 1) into -1
0.120 * [taylor]: Taking taylor expansion of -1 in y
0.120 * [backup-simplify]: Simplify -1 into -1
0.120 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.121 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.121 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.121 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.121 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.121 * [taylor]: Taking taylor expansion of 4.0 in y
0.121 * [backup-simplify]: Simplify 4.0 into 4.0
0.121 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.121 * [taylor]: Taking taylor expansion of (* z y) in y
0.121 * [taylor]: Taking taylor expansion of z in y
0.121 * [backup-simplify]: Simplify z into z
0.121 * [taylor]: Taking taylor expansion of y in y
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* z 0) into 0
0.122 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.122 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.122 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.122 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.122 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.122 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.122 * [taylor]: Taking taylor expansion of 4.0 in z
0.122 * [backup-simplify]: Simplify 4.0 into 4.0
0.122 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.122 * [taylor]: Taking taylor expansion of z in z
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (/ 1 1) into 1
0.122 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.123 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.123 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.123 * [taylor]: Taking taylor expansion of -1 in z
0.123 * [backup-simplify]: Simplify -1 into -1
0.123 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.123 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.124 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.125 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.125 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.126 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify -1 into -1
0.127 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.128 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [backup-simplify]: Simplify (- 0) into 0
0.129 * [taylor]: Taking taylor expansion of 0 in y
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [taylor]: Taking taylor expansion of 0 in z
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.129 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [taylor]: Taking taylor expansion of 0 in z
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [taylor]: Taking taylor expansion of 0 in z
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.131 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.132 * [backup-simplify]: Simplify (- 0) into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.133 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.133 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (+ 0 0) into 0
0.135 * [backup-simplify]: Simplify (- 0) into 0
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [taylor]: Taking taylor expansion of 0 in z
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [taylor]: Taking taylor expansion of 0 in z
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.135 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.136 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.136 * [backup-simplify]: Simplify (- 0) into 0
0.136 * [taylor]: Taking taylor expansion of 0 in z
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [taylor]: Taking taylor expansion of 0 in z
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.137 * * * [progress]: simplifying candidates
0.137 * [simplify]: Simplifying:
  (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (fma (sqrt x) (sqrt x) (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (fma 1 x (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (expm1 (- x (* (* y 4.0) z)))
  (log1p (- x (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (/ (exp x) (exp (* (* y 4.0) z)))
  (log (- x (* (* y 4.0) z)))
  (exp (- x (* (* y 4.0) z)))
  (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z))))
  (cbrt (- x (* (* y 4.0) z)))
  (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (+ (* x x) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* x (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ x (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
0.138 * * [simplify]: iteration 0: 45 enodes
0.147 * * [simplify]: iteration 1: 109 enodes
0.188 * * [simplify]: iteration 2: 393 enodes
0.435 * * [simplify]: iteration 3: 1743 enodes
2.285 * * [simplify]: iteration complete: 5001 enodes
2.285 * * [simplify]: Extracting #0: cost 16 inf + 0
2.286 * * [simplify]: Extracting #1: cost 309 inf + 1
2.293 * * [simplify]: Extracting #2: cost 1024 inf + 9563
2.351 * * [simplify]: Extracting #3: cost 507 inf + 103049
2.460 * * [simplify]: Extracting #4: cost 138 inf + 192607
2.580 * * [simplify]: Extracting #5: cost 26 inf + 223894
2.663 * * [simplify]: Extracting #6: cost 1 inf + 232909
2.726 * * [simplify]: Extracting #7: cost 0 inf + 233272
2.813 * [simplify]: Simplified to:
  (- x (* z (* y 4.0)))
  (+ (* z (* y 4.0)) (- (* z (* y 4.0))))
  (- x (* z (* y 4.0)))
  (+ (* z (* y 4.0)) (- (* z (* y 4.0))))
  (- x (* z (* y 4.0)))
  (+ (* z (* y 4.0)) (- (* z (* y 4.0))))
  (expm1 (- x (* z (* y 4.0))))
  (log1p (- x (* z (* y 4.0))))
  (- (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (exp (- x (* z (* y 4.0))))
  (log (- x (* z (* y 4.0))))
  (exp (- x (* z (* y 4.0))))
  (* (cbrt (- x (* z (* y 4.0)))) (cbrt (- x (* z (* y 4.0)))))
  (cbrt (- x (* z (* y 4.0))))
  (* (- x (* z (* y 4.0))) (* (- x (* z (* y 4.0))) (- x (* z (* y 4.0)))))
  (sqrt (- x (* z (* y 4.0))))
  (sqrt (- x (* z (* y 4.0))))
  (- (* (* x x) x) (* (* (* z (* y 4.0)) (* z (* y 4.0))) (* z (* y 4.0))))
  (fma x (+ x (* z (* y 4.0))) (* (* z (* y 4.0)) (* z (* y 4.0))))
  (- (* z (* y 4.0)))
  (* (+ x (* z (* y 4.0))) (- x (* z (* y 4.0))))
  (fma (* y 4.0) z x)
  (- (* z (* y 4.0)))
  x
  (- x (* z (* y 4.0)))
  (- x (* z (* y 4.0)))
2.814 * * * [progress]: adding candidates to table
2.899 * [progress]: [Phase 3 of 3] Extracting.
2.902 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
2.903 * * [simplify]: iteration 0: 7 enodes
2.903 * * [simplify]: iteration 1: 9 enodes
2.904 * * [simplify]: iteration complete: 9 enodes
2.904 * * [simplify]: Extracting #0: cost 1 inf + 0
2.904 * * [simplify]: Extracting #1: cost 3 inf + 0
2.904 * * [simplify]: Extracting #2: cost 4 inf + 1
2.904 * * [simplify]: Extracting #3: cost 5 inf + 2
2.904 * * [simplify]: Extracting #4: cost 0 inf + 253
2.904 * [simplify]: Simplified to:
  (- x (* (* 4.0 y) z))
3.877 * [regime-testing]: Baseline error score: 0.046130766345793224
3.886 * [regime-testing]: Oracle error score: 0.046130766345793224
3.886 * [regime-testing]: End program error score: 0.046130766345793224