58.476 * [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:
  (- x (* (* y 4.0) z))
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: Extracting # 3 : cost  0
0.027 * * [simplify]: Extracting # 4 : cost  0
0.027 * * [simplify]: Extracting # 5 : cost  0
0.027 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: Extracting # 1 : cost  0
0.028 * * [simplify]: Extracting # 2 : cost  0
0.028 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.030 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  2 :  31  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  3 :  56  enodes  (cost  7 )
0.049 * * [simplify]: Extracting # 0 : cost  0
0.049 * * [simplify]: iteration  4 :  57  enodes  (cost  7 )
0.061 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: iteration done:  57  enodes  (cost  7 )
0.061 * [simplify]: Simplified to:
  (- x (* (* y 4.0) z))
0.062 * * [progress]: iteration 1 / 4
0.062 * * * [progress]: picking best candidate
0.063 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.063 * * * [progress]: localizing error
0.070 * * * [progress]: generating rewritten candidates
0.070 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.076 * * * [progress]: generating series expansions
0.076 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.076 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y)))
0.076 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.076 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.076 * [taylor]: Taking taylor expansion of x in z
0.076 * [backup-simplify]: Simplify x into x
0.076 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.076 * [taylor]: Taking taylor expansion of 4.0 in z
0.076 * [backup-simplify]: Simplify 4.0 into 4.0
0.076 * [taylor]: Taking taylor expansion of (* z y) in z
0.076 * [taylor]: Taking taylor expansion of z in z
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [taylor]: Taking taylor expansion of y in z
0.076 * [backup-simplify]: Simplify y into y
0.076 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [backup-simplify]: Simplify x into x
0.076 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.076 * [taylor]: Taking taylor expansion of 4.0 in y
0.076 * [backup-simplify]: Simplify 4.0 into 4.0
0.076 * [taylor]: Taking taylor expansion of (* z y) in y
0.076 * [taylor]: Taking taylor expansion of z in y
0.076 * [backup-simplify]: Simplify z into z
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.077 * [taylor]: Taking taylor expansion of 4.0 in x
0.077 * [backup-simplify]: Simplify 4.0 into 4.0
0.077 * [taylor]: Taking taylor expansion of (* z y) in x
0.077 * [taylor]: Taking taylor expansion of z in x
0.077 * [backup-simplify]: Simplify z into z
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.077 * [taylor]: Taking taylor expansion of 4.0 in x
0.077 * [backup-simplify]: Simplify 4.0 into 4.0
0.077 * [taylor]: Taking taylor expansion of (* z y) in x
0.077 * [taylor]: Taking taylor expansion of z in x
0.077 * [backup-simplify]: Simplify z into z
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [backup-simplify]: Simplify (* z y) into (* z y)
0.077 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.077 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.077 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.077 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.077 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.077 * [taylor]: Taking taylor expansion of 4.0 in y
0.077 * [backup-simplify]: Simplify 4.0 into 4.0
0.077 * [taylor]: Taking taylor expansion of (* z y) in y
0.077 * [taylor]: Taking taylor expansion of z in y
0.077 * [backup-simplify]: Simplify z into z
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [backup-simplify]: Simplify (* z 0) into 0
0.078 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.078 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.079 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.079 * [backup-simplify]: Simplify (- 0) into 0
0.079 * [backup-simplify]: Simplify (+ 1 0) into 1
0.079 * [taylor]: Taking taylor expansion of 1 in y
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [taylor]: Taking taylor expansion of 1 in z
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify 1 into 1
0.080 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.080 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.080 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.080 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.080 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.080 * [taylor]: Taking taylor expansion of 4.0 in z
0.080 * [backup-simplify]: Simplify 4.0 into 4.0
0.080 * [taylor]: Taking taylor expansion of z in z
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.081 * [backup-simplify]: Simplify (- 0) into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.081 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.082 * [backup-simplify]: Simplify (- 0) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.083 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.083 * [backup-simplify]: Simplify (- 0) into 0
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.084 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.084 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.084 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.084 * [taylor]: Taking taylor expansion of x in z
0.084 * [backup-simplify]: Simplify x into x
0.084 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.084 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.084 * [taylor]: Taking taylor expansion of 4.0 in z
0.084 * [backup-simplify]: Simplify 4.0 into 4.0
0.084 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.084 * [taylor]: Taking taylor expansion of (* z y) in z
0.084 * [taylor]: Taking taylor expansion of z in z
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of y in z
0.084 * [backup-simplify]: Simplify y into y
0.084 * [backup-simplify]: Simplify (* 0 y) into 0
0.084 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.084 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.084 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [backup-simplify]: Simplify x into x
0.084 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.084 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.084 * [taylor]: Taking taylor expansion of 4.0 in y
0.084 * [backup-simplify]: Simplify 4.0 into 4.0
0.084 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.084 * [taylor]: Taking taylor expansion of (* z y) in y
0.085 * [taylor]: Taking taylor expansion of z in y
0.085 * [backup-simplify]: Simplify z into z
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (* z 0) into 0
0.085 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.085 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.085 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (/ 1 1) into 1
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.085 * [taylor]: Taking taylor expansion of 4.0 in x
0.085 * [backup-simplify]: Simplify 4.0 into 4.0
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.085 * [taylor]: Taking taylor expansion of (* z y) in x
0.085 * [taylor]: Taking taylor expansion of z in x
0.085 * [backup-simplify]: Simplify z into z
0.085 * [taylor]: Taking taylor expansion of y in x
0.085 * [backup-simplify]: Simplify y into y
0.085 * [backup-simplify]: Simplify (* z y) into (* z y)
0.086 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.086 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (/ 1 1) into 1
0.086 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.086 * [taylor]: Taking taylor expansion of 4.0 in x
0.086 * [backup-simplify]: Simplify 4.0 into 4.0
0.086 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.086 * [taylor]: Taking taylor expansion of (* z y) in x
0.086 * [taylor]: Taking taylor expansion of z in x
0.086 * [backup-simplify]: Simplify z into z
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [backup-simplify]: Simplify y into y
0.086 * [backup-simplify]: Simplify (* z y) into (* z y)
0.086 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.087 * [backup-simplify]: Simplify (+ 1 0) into 1
0.087 * [taylor]: Taking taylor expansion of 1 in y
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.087 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.087 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.087 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.087 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.087 * [taylor]: Taking taylor expansion of 4.0 in y
0.087 * [backup-simplify]: Simplify 4.0 into 4.0
0.088 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.088 * [taylor]: Taking taylor expansion of (* z y) in y
0.088 * [taylor]: Taking taylor expansion of z in y
0.088 * [backup-simplify]: Simplify z into z
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (* z 0) into 0
0.088 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.088 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.088 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.088 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.088 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.088 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.088 * [taylor]: Taking taylor expansion of 4.0 in z
0.088 * [backup-simplify]: Simplify 4.0 into 4.0
0.088 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.088 * [taylor]: Taking taylor expansion of z in z
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (/ 1 1) into 1
0.089 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.089 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.089 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.089 * [taylor]: Taking taylor expansion of 1 in z
0.089 * [backup-simplify]: Simplify 1 into 1
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.090 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.090 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.090 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.091 * [backup-simplify]: Simplify (- 0) into 0
0.091 * [backup-simplify]: Simplify (+ 0 0) into 0
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.092 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.092 * [backup-simplify]: Simplify (- 0) into 0
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.093 * [backup-simplify]: Simplify (- 0) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.095 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.095 * [backup-simplify]: Simplify (- 0) into 0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.096 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.097 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) 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 * [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 0 into 0
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.098 * [backup-simplify]: Simplify (- 0) into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 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 * [taylor]: Taking taylor expansion of 0 in z
0.105 * [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 (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.107 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.107 * [backup-simplify]: Simplify (- 0) into 0
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.108 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.108 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.108 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.108 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.108 * [taylor]: Taking taylor expansion of 4.0 in z
0.108 * [backup-simplify]: Simplify 4.0 into 4.0
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.108 * [taylor]: Taking taylor expansion of (* z y) in z
0.108 * [taylor]: Taking taylor expansion of z in z
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [taylor]: Taking taylor expansion of y in z
0.108 * [backup-simplify]: Simplify y into y
0.108 * [backup-simplify]: Simplify (* 0 y) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.109 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.109 * [taylor]: Taking taylor expansion of x in z
0.109 * [backup-simplify]: Simplify x into x
0.109 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.109 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.109 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.109 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.109 * [taylor]: Taking taylor expansion of 4.0 in y
0.109 * [backup-simplify]: Simplify 4.0 into 4.0
0.109 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.109 * [taylor]: Taking taylor expansion of (* z y) in y
0.109 * [taylor]: Taking taylor expansion of z in y
0.109 * [backup-simplify]: Simplify z into z
0.109 * [taylor]: Taking taylor expansion of y in y
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (* z 0) into 0
0.109 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.109 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [backup-simplify]: Simplify x into x
0.109 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.109 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.109 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.109 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.110 * [taylor]: Taking taylor expansion of 4.0 in x
0.110 * [backup-simplify]: Simplify 4.0 into 4.0
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.110 * [taylor]: Taking taylor expansion of (* z y) in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [backup-simplify]: Simplify z into z
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (* z y) into (* z y)
0.110 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (/ 1 1) into 1
0.110 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.110 * [taylor]: Taking taylor expansion of 4.0 in x
0.110 * [backup-simplify]: Simplify 4.0 into 4.0
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.110 * [taylor]: Taking taylor expansion of (* z y) in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [backup-simplify]: Simplify z into z
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (* z y) into (* z y)
0.110 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify (/ 1 1) into 1
0.111 * [backup-simplify]: Simplify (+ 0 1) into 1
0.111 * [backup-simplify]: Simplify (- 1) into -1
0.111 * [taylor]: Taking taylor expansion of -1 in y
0.111 * [backup-simplify]: Simplify -1 into -1
0.111 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.112 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.112 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.112 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.112 * [taylor]: Taking taylor expansion of 4.0 in y
0.112 * [backup-simplify]: Simplify 4.0 into 4.0
0.112 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.112 * [taylor]: Taking taylor expansion of (* z y) in y
0.112 * [taylor]: Taking taylor expansion of z in y
0.112 * [backup-simplify]: Simplify z into z
0.112 * [taylor]: Taking taylor expansion of y in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (* z 0) into 0
0.112 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.112 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.112 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.113 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.113 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.113 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.113 * [taylor]: Taking taylor expansion of 4.0 in z
0.113 * [backup-simplify]: Simplify 4.0 into 4.0
0.113 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.113 * [taylor]: Taking taylor expansion of z in z
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.113 * [backup-simplify]: Simplify (/ 1 1) into 1
0.113 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.113 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.114 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.114 * [taylor]: Taking taylor expansion of -1 in z
0.114 * [backup-simplify]: Simplify -1 into -1
0.114 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.114 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.116 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.116 * [backup-simplify]: Simplify (- 0) into 0
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [taylor]: Taking taylor expansion of 0 in z
0.116 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.118 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify -1 into -1
0.118 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.118 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.119 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.120 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [backup-simplify]: Simplify (- 0) into 0
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [taylor]: Taking taylor expansion of 0 in z
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.121 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.121 * [backup-simplify]: Simplify (- 0) into 0
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.123 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.124 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.124 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [taylor]: Taking taylor expansion of 0 in z
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 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.128 * * * [progress]: simplifying candidates
0.128 * [simplify]: Simplifying:
  (/ (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)))
0.129 * * [simplify]: Extracting # 0 : cost  0
0.129 * * [simplify]: Extracting # 1 : cost  0
0.129 * * [simplify]: Extracting # 2 : cost  0
0.129 * * [simplify]: Extracting # 3 : cost  0
0.129 * * [simplify]: Extracting # 4 : cost  0
0.129 * * [simplify]: Extracting # 5 : cost  0
0.129 * * [simplify]: Extracting # 6 : cost  0
0.129 * * [simplify]: Extracting # 7 : cost  0
0.129 * * [simplify]: iteration  0 :  32  enodes  (cost  172 )
0.135 * * [simplify]: Extracting # 0 : cost  0
0.136 * * [simplify]: Extracting # 1 : cost  0
0.136 * * [simplify]: Extracting # 2 : cost  0
0.136 * * [simplify]: Extracting # 3 : cost  0
0.136 * * [simplify]: Extracting # 4 : cost  0
0.136 * * [simplify]: iteration  1 :  84  enodes  (cost  165 )
0.158 * * [simplify]: Extracting # 0 : cost  0
0.158 * * [simplify]: Extracting # 1 : cost  0
0.158 * * [simplify]: Extracting # 2 : cost  0
0.159 * * [simplify]: Extracting # 3 : cost  0
0.159 * * [simplify]: Extracting # 4 : cost  0
0.159 * * [simplify]: Extracting # 5 : cost  0
0.159 * * [simplify]: Extracting # 6 : cost  0
0.160 * * [simplify]: iteration  2 :  285  enodes  (cost  151 )
0.424 * * [simplify]: Extracting # 0 : cost  0
0.425 * * [simplify]: Extracting # 1 : cost  0
0.427 * * [simplify]: Extracting # 2 : cost  0
0.428 * * [simplify]: Extracting # 3 : cost  0
0.429 * * [simplify]: Extracting # 4 : cost  0
0.431 * * [simplify]: iteration  3 :  1323  enodes  (cost  151 )
2.682 * * [simplify]: Extracting # 0 : cost  0
2.697 * * [simplify]: Extracting # 1 : cost  0
2.710 * * [simplify]: Extracting # 2 : cost  0
2.715 * * [simplify]: Extracting # 3 : cost  0
2.720 * * [simplify]: Extracting # 4 : cost  0
2.725 * * [simplify]: iteration done:  5000  enodes  (cost  151 )
2.725 * [simplify]: Simplified to:
  (exp (- x (* (* 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)))
  (pow (- x (* 4.0 (* z y))) 3)
  (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) (+ x (* (* y 4.0) z))))
  (- (* 4.0 (* z y)))
  (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ x (* (* y 4.0) z))
  (- (* 4.0 (* z y)))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
2.726 * * * [progress]: adding candidates to table
2.775 * [progress]: [Phase 3 of 3] Extracting.
2.778 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
2.778 * * [simplify]: Extracting # 0 : cost  0
2.778 * * [simplify]: Extracting # 1 : cost  0
2.778 * * [simplify]: Extracting # 2 : cost  0
2.778 * * [simplify]: Extracting # 3 : cost  0
2.778 * * [simplify]: Extracting # 4 : cost  0
2.778 * * [simplify]: Extracting # 5 : cost  0
2.778 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
2.783 * * [simplify]: Extracting # 0 : cost  0
2.783 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
2.784 * * [simplify]: Extracting # 0 : cost  0
2.784 * * [simplify]: iteration done:  9  enodes  (cost  7 )
2.784 * [simplify]: Simplified to:
  (- x (* (* y 4.0) z))
4.138 * [regime-testing]: Baseline error score: 0.038629828728591074
4.142 * [regime-testing]: Oracle error score: 0.038629828728591074
4.142 * [regime-testing]: End program error score: 0.038629828728591074