20.529 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.053 * * * [progress]: [2/2] Setting up program.
0.056 * [progress]: [Phase 2 of 3] Improving.
0.057 * [simplify]: Simplifying:
  (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: Extracting # 1 : cost  0
0.057 * * [simplify]: Extracting # 2 : cost  0
0.057 * * [simplify]: Extracting # 3 : cost  0
0.057 * * [simplify]: Extracting # 4 : cost  0
0.057 * * [simplify]: Extracting # 5 : cost  0
0.057 * * [simplify]: Extracting # 6 : cost  0
0.057 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.061 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: Extracting # 1 : cost  0
0.062 * * [simplify]: Extracting # 2 : cost  0
0.062 * * [simplify]: iteration  1 :  20  enodes  (cost  11 )
0.069 * * [simplify]: Extracting # 0 : cost  0
0.069 * * [simplify]: Extracting # 1 : cost  0
0.069 * * [simplify]: Extracting # 2 : cost  0
0.069 * * [simplify]: iteration  2 :  47  enodes  (cost  11 )
0.094 * * [simplify]: Extracting # 0 : cost  0
0.094 * * [simplify]: Extracting # 1 : cost  0
0.094 * * [simplify]: Extracting # 2 : cost  0
0.094 * * [simplify]: iteration  3 :  136  enodes  (cost  10 )
0.163 * * [simplify]: Extracting # 0 : cost  0
0.164 * * [simplify]: Extracting # 1 : cost  0
0.165 * * [simplify]: Extracting # 2 : cost  0
0.165 * * [simplify]: iteration  4 :  329  enodes  (cost  10 )
0.373 * * [simplify]: Extracting # 0 : cost  0
0.374 * * [simplify]: Extracting # 1 : cost  0
0.374 * * [simplify]: Extracting # 2 : cost  0
0.375 * * [simplify]: iteration  5 :  613  enodes  (cost  10 )
0.694 * * [simplify]: Extracting # 0 : cost  0
0.695 * * [simplify]: Extracting # 1 : cost  0
0.696 * * [simplify]: Extracting # 2 : cost  0
0.697 * * [simplify]: Extracting # 3 : cost  0
0.698 * * [simplify]: iteration  6 :  968  enodes  (cost  10 )
1.856 * * [simplify]: Extracting # 0 : cost  0
1.859 * * [simplify]: Extracting # 1 : cost  0
1.861 * * [simplify]: Extracting # 2 : cost  0
1.862 * * [simplify]: iteration  7 :  1434  enodes  (cost  9 )
3.636 * * [simplify]: Extracting # 0 : cost  0
3.641 * * [simplify]: Extracting # 1 : cost  0
3.645 * * [simplify]: Extracting # 2 : cost  0
3.653 * * [simplify]: iteration  8 :  3096  enodes  (cost  9 )
6.015 * * [simplify]: Extracting # 0 : cost  0
6.029 * * [simplify]: Extracting # 1 : cost  0
6.036 * * [simplify]: Extracting # 2 : cost  0
6.042 * * [simplify]: iteration done:  5000  enodes  (cost  9 )
6.042 * [simplify]: Simplified to:
  (* 4.0 (- (/ (- x y) z) 0.5))
6.045 * * [progress]: iteration 1 / 4
6.045 * * * [progress]: picking best candidate
6.046 * * * * [pick]: Picked  #<alt (λ (x y z) (* 4.0 (- (/ (- x y) z) 0.5)))>
6.046 * * * [progress]: localizing error
6.056 * * * [progress]: generating rewritten candidates
6.056 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2 1)
6.081 * * * [progress]: generating series expansions
6.081 * * * * [progress]: [ 1 / 1 ] generating series at (2 2 1)
6.082 * [backup-simplify]: Simplify (/ (- x y) z) into (/ (- x y) z)
6.082 * [approximate]: Taking taylor expansion of (/ (- x y) z) in (x y z) around 0
6.082 * [taylor]: Taking taylor expansion of (/ (- x y) z) in z
6.082 * [taylor]: Taking taylor expansion of (- x y) in z
6.082 * [taylor]: Taking taylor expansion of x in z
6.082 * [backup-simplify]: Simplify x into x
6.082 * [taylor]: Taking taylor expansion of y in z
6.082 * [backup-simplify]: Simplify y into y
6.082 * [taylor]: Taking taylor expansion of z in z
6.082 * [backup-simplify]: Simplify 0 into 0
6.082 * [backup-simplify]: Simplify 1 into 1
6.082 * [backup-simplify]: Simplify (- y) into (- y)
6.082 * [backup-simplify]: Simplify (+ x (- y)) into (- x y)
6.082 * [backup-simplify]: Simplify (/ (- x y) 1) into (- x y)
6.082 * [taylor]: Taking taylor expansion of (/ (- x y) z) in y
6.082 * [taylor]: Taking taylor expansion of (- x y) in y
6.082 * [taylor]: Taking taylor expansion of x in y
6.082 * [backup-simplify]: Simplify x into x
6.082 * [taylor]: Taking taylor expansion of y in y
6.082 * [backup-simplify]: Simplify 0 into 0
6.082 * [backup-simplify]: Simplify 1 into 1
6.082 * [taylor]: Taking taylor expansion of z in y
6.082 * [backup-simplify]: Simplify z into z
6.083 * [backup-simplify]: Simplify (- 0) into 0
6.083 * [backup-simplify]: Simplify (+ x 0) into x
6.083 * [backup-simplify]: Simplify (/ x z) into (/ x z)
6.083 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
6.083 * [taylor]: Taking taylor expansion of (- x y) in x
6.083 * [taylor]: Taking taylor expansion of x in x
6.083 * [backup-simplify]: Simplify 0 into 0
6.083 * [backup-simplify]: Simplify 1 into 1
6.083 * [taylor]: Taking taylor expansion of y in x
6.083 * [backup-simplify]: Simplify y into y
6.083 * [taylor]: Taking taylor expansion of z in x
6.083 * [backup-simplify]: Simplify z into z
6.083 * [backup-simplify]: Simplify (- y) into (- y)
6.083 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
6.083 * [backup-simplify]: Simplify (/ (- y) z) into (* -1 (/ y z))
6.083 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
6.083 * [taylor]: Taking taylor expansion of (- x y) in x
6.083 * [taylor]: Taking taylor expansion of x in x
6.083 * [backup-simplify]: Simplify 0 into 0
6.083 * [backup-simplify]: Simplify 1 into 1
6.083 * [taylor]: Taking taylor expansion of y in x
6.083 * [backup-simplify]: Simplify y into y
6.083 * [taylor]: Taking taylor expansion of z in x
6.083 * [backup-simplify]: Simplify z into z
6.083 * [backup-simplify]: Simplify (- y) into (- y)
6.084 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
6.084 * [backup-simplify]: Simplify (/ (- y) z) into (* -1 (/ y z))
6.084 * [taylor]: Taking taylor expansion of (* -1 (/ y z)) in y
6.084 * [taylor]: Taking taylor expansion of -1 in y
6.084 * [backup-simplify]: Simplify -1 into -1
6.084 * [taylor]: Taking taylor expansion of (/ y z) in y
6.084 * [taylor]: Taking taylor expansion of y in y
6.084 * [backup-simplify]: Simplify 0 into 0
6.084 * [backup-simplify]: Simplify 1 into 1
6.084 * [taylor]: Taking taylor expansion of z in y
6.084 * [backup-simplify]: Simplify z into z
6.084 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
6.084 * [backup-simplify]: Simplify (- 0) into 0
6.085 * [backup-simplify]: Simplify (+ 1 0) into 1
6.085 * [backup-simplify]: Simplify (- (/ 1 z) (+ (* (* -1 (/ y z)) (/ 0 z)))) into (/ 1 z)
6.085 * [taylor]: Taking taylor expansion of (/ 1 z) in y
6.085 * [taylor]: Taking taylor expansion of z in y
6.085 * [backup-simplify]: Simplify z into z
6.085 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
6.085 * [taylor]: Taking taylor expansion of (/ 1 z) in z
6.085 * [taylor]: Taking taylor expansion of z in z
6.085 * [backup-simplify]: Simplify 0 into 0
6.085 * [backup-simplify]: Simplify 1 into 1
6.085 * [backup-simplify]: Simplify (/ 1 1) into 1
6.085 * [backup-simplify]: Simplify 1 into 1
6.085 * [backup-simplify]: Simplify (* -1 (/ 1 z)) into (/ -1 z)
6.085 * [taylor]: Taking taylor expansion of (/ -1 z) in z
6.085 * [taylor]: Taking taylor expansion of -1 in z
6.085 * [backup-simplify]: Simplify -1 into -1
6.085 * [taylor]: Taking taylor expansion of z in z
6.085 * [backup-simplify]: Simplify 0 into 0
6.085 * [backup-simplify]: Simplify 1 into 1
6.086 * [backup-simplify]: Simplify (/ -1 1) into -1
6.086 * [backup-simplify]: Simplify -1 into -1
6.086 * [backup-simplify]: Simplify (- 0) into 0
6.086 * [backup-simplify]: Simplify (+ 0 0) into 0
6.086 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (* -1 (/ y z)) (/ 0 z)) (* (/ 1 z) (/ 0 z)))) into 0
6.086 * [taylor]: Taking taylor expansion of 0 in y
6.086 * [backup-simplify]: Simplify 0 into 0
6.086 * [taylor]: Taking taylor expansion of 0 in z
6.086 * [backup-simplify]: Simplify 0 into 0
6.087 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
6.087 * [taylor]: Taking taylor expansion of 0 in z
6.087 * [backup-simplify]: Simplify 0 into 0
6.087 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
6.087 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 z))) into 0
6.087 * [taylor]: Taking taylor expansion of 0 in z
6.087 * [backup-simplify]: Simplify 0 into 0
6.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.088 * [backup-simplify]: Simplify 0 into 0
6.088 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
6.088 * [backup-simplify]: Simplify 0 into 0
6.088 * [backup-simplify]: Simplify (- 0) into 0
6.089 * [backup-simplify]: Simplify (+ 0 0) into 0
6.089 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (* -1 (/ y z)) (/ 0 z)) (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
6.089 * [taylor]: Taking taylor expansion of 0 in y
6.089 * [backup-simplify]: Simplify 0 into 0
6.089 * [taylor]: Taking taylor expansion of 0 in z
6.089 * [backup-simplify]: Simplify 0 into 0
6.089 * [taylor]: Taking taylor expansion of 0 in z
6.089 * [backup-simplify]: Simplify 0 into 0
6.089 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
6.089 * [taylor]: Taking taylor expansion of 0 in z
6.089 * [backup-simplify]: Simplify 0 into 0
6.089 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
6.090 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
6.090 * [taylor]: Taking taylor expansion of 0 in z
6.090 * [backup-simplify]: Simplify 0 into 0
6.090 * [backup-simplify]: Simplify 0 into 0
6.090 * [backup-simplify]: Simplify 0 into 0
6.090 * [backup-simplify]: Simplify 0 into 0
6.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.090 * [backup-simplify]: Simplify 0 into 0
6.091 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 z) (* y 1))) (* 1 (* (/ 1 z) (* 1 x)))) into (- (/ x z) (/ y z))
6.091 * [backup-simplify]: Simplify (/ (- (/ 1 x) (/ 1 y)) (/ 1 z)) into (* (- (/ 1 x) (/ 1 y)) z)
6.091 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in (x y z) around 0
6.091 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in z
6.091 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
6.091 * [taylor]: Taking taylor expansion of (/ 1 x) in z
6.091 * [taylor]: Taking taylor expansion of x in z
6.091 * [backup-simplify]: Simplify x into x
6.091 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.091 * [taylor]: Taking taylor expansion of (/ 1 y) in z
6.091 * [taylor]: Taking taylor expansion of y in z
6.091 * [backup-simplify]: Simplify y into y
6.091 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.091 * [taylor]: Taking taylor expansion of z in z
6.091 * [backup-simplify]: Simplify 0 into 0
6.091 * [backup-simplify]: Simplify 1 into 1
6.091 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
6.091 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
6.091 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.091 * [taylor]: Taking taylor expansion of x in y
6.091 * [backup-simplify]: Simplify x into x
6.091 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.091 * [taylor]: Taking taylor expansion of y in y
6.091 * [backup-simplify]: Simplify 0 into 0
6.091 * [backup-simplify]: Simplify 1 into 1
6.091 * [backup-simplify]: Simplify (/ 1 1) into 1
6.092 * [taylor]: Taking taylor expansion of z in y
6.092 * [backup-simplify]: Simplify z into z
6.092 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
6.092 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
6.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.092 * [taylor]: Taking taylor expansion of x in x
6.092 * [backup-simplify]: Simplify 0 into 0
6.092 * [backup-simplify]: Simplify 1 into 1
6.092 * [backup-simplify]: Simplify (/ 1 1) into 1
6.092 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.092 * [taylor]: Taking taylor expansion of y in x
6.092 * [backup-simplify]: Simplify y into y
6.092 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.092 * [taylor]: Taking taylor expansion of z in x
6.092 * [backup-simplify]: Simplify z into z
6.092 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
6.092 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
6.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.092 * [taylor]: Taking taylor expansion of x in x
6.092 * [backup-simplify]: Simplify 0 into 0
6.092 * [backup-simplify]: Simplify 1 into 1
6.092 * [backup-simplify]: Simplify (/ 1 1) into 1
6.092 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.092 * [taylor]: Taking taylor expansion of y in x
6.092 * [backup-simplify]: Simplify y into y
6.092 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.093 * [taylor]: Taking taylor expansion of z in x
6.093 * [backup-simplify]: Simplify z into z
6.093 * [backup-simplify]: Simplify (+ 1 0) into 1
6.093 * [backup-simplify]: Simplify (* 1 z) into z
6.093 * [taylor]: Taking taylor expansion of z in y
6.093 * [backup-simplify]: Simplify z into z
6.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.093 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
6.094 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
6.094 * [backup-simplify]: Simplify (+ (* 1 0) (* (- (/ 1 y)) z)) into (- (/ z y))
6.094 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
6.094 * [taylor]: Taking taylor expansion of (/ z y) in y
6.094 * [taylor]: Taking taylor expansion of z in y
6.094 * [backup-simplify]: Simplify z into z
6.094 * [taylor]: Taking taylor expansion of y in y
6.094 * [backup-simplify]: Simplify 0 into 0
6.094 * [backup-simplify]: Simplify 1 into 1
6.094 * [backup-simplify]: Simplify (/ z 1) into z
6.094 * [backup-simplify]: Simplify (- z) into (- z)
6.094 * [taylor]: Taking taylor expansion of (- z) in z
6.094 * [taylor]: Taking taylor expansion of z in z
6.094 * [backup-simplify]: Simplify 0 into 0
6.094 * [backup-simplify]: Simplify 1 into 1
6.094 * [backup-simplify]: Simplify (- 0) into 0
6.094 * [backup-simplify]: Simplify 0 into 0
6.095 * [taylor]: Taking taylor expansion of z in z
6.095 * [backup-simplify]: Simplify 0 into 0
6.095 * [backup-simplify]: Simplify 1 into 1
6.095 * [backup-simplify]: Simplify 0 into 0
6.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.095 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
6.095 * [backup-simplify]: Simplify (- 0) into 0
6.096 * [backup-simplify]: Simplify (+ 0 0) into 0
6.096 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (- (/ 1 y)) 0) (* 0 z))) into 0
6.096 * [taylor]: Taking taylor expansion of 0 in y
6.096 * [backup-simplify]: Simplify 0 into 0
6.097 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
6.097 * [backup-simplify]: Simplify (- 0) into 0
6.097 * [taylor]: Taking taylor expansion of 0 in z
6.097 * [backup-simplify]: Simplify 0 into 0
6.097 * [backup-simplify]: Simplify 0 into 0
6.097 * [taylor]: Taking taylor expansion of 0 in z
6.097 * [backup-simplify]: Simplify 0 into 0
6.097 * [backup-simplify]: Simplify 0 into 0
6.097 * [backup-simplify]: Simplify (- 1) into -1
6.097 * [backup-simplify]: Simplify -1 into -1
6.097 * [backup-simplify]: Simplify 1 into 1
6.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.098 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
6.098 * [backup-simplify]: Simplify (- 0) into 0
6.099 * [backup-simplify]: Simplify (+ 0 0) into 0
6.099 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (- (/ 1 y)) 0) (+ (* 0 0) (* 0 z)))) into 0
6.099 * [taylor]: Taking taylor expansion of 0 in y
6.099 * [backup-simplify]: Simplify 0 into 0
6.099 * [taylor]: Taking taylor expansion of 0 in z
6.099 * [backup-simplify]: Simplify 0 into 0
6.099 * [backup-simplify]: Simplify 0 into 0
6.100 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.100 * [backup-simplify]: Simplify (- 0) into 0
6.100 * [taylor]: Taking taylor expansion of 0 in z
6.100 * [backup-simplify]: Simplify 0 into 0
6.100 * [backup-simplify]: Simplify 0 into 0
6.101 * [taylor]: Taking taylor expansion of 0 in z
6.101 * [backup-simplify]: Simplify 0 into 0
6.101 * [backup-simplify]: Simplify 0 into 0
6.101 * [backup-simplify]: Simplify 0 into 0
6.101 * [backup-simplify]: Simplify 0 into 0
6.101 * [backup-simplify]: Simplify (- 0) into 0
6.101 * [backup-simplify]: Simplify 0 into 0
6.101 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 z) (* 1 (/ 1 (/ 1 x))))) (* -1 (* (/ 1 z) (* (/ 1 (/ 1 y)) 1)))) into (- (/ x z) (/ y z))
6.101 * [backup-simplify]: Simplify (/ (- (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) into (* -1 (* z (- (/ 1 y) (/ 1 x))))
6.101 * [approximate]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in (x y z) around 0
6.101 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in z
6.101 * [taylor]: Taking taylor expansion of -1 in z
6.101 * [backup-simplify]: Simplify -1 into -1
6.101 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
6.101 * [taylor]: Taking taylor expansion of z in z
6.101 * [backup-simplify]: Simplify 0 into 0
6.101 * [backup-simplify]: Simplify 1 into 1
6.101 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
6.101 * [taylor]: Taking taylor expansion of (/ 1 y) in z
6.101 * [taylor]: Taking taylor expansion of y in z
6.101 * [backup-simplify]: Simplify y into y
6.102 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.102 * [taylor]: Taking taylor expansion of (/ 1 x) in z
6.102 * [taylor]: Taking taylor expansion of x in z
6.102 * [backup-simplify]: Simplify x into x
6.102 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.102 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in y
6.102 * [taylor]: Taking taylor expansion of -1 in y
6.102 * [backup-simplify]: Simplify -1 into -1
6.102 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
6.102 * [taylor]: Taking taylor expansion of z in y
6.102 * [backup-simplify]: Simplify z into z
6.102 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
6.102 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.102 * [taylor]: Taking taylor expansion of y in y
6.102 * [backup-simplify]: Simplify 0 into 0
6.102 * [backup-simplify]: Simplify 1 into 1
6.102 * [backup-simplify]: Simplify (/ 1 1) into 1
6.102 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.102 * [taylor]: Taking taylor expansion of x in y
6.102 * [backup-simplify]: Simplify x into x
6.102 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
6.102 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
6.102 * [taylor]: Taking taylor expansion of -1 in x
6.102 * [backup-simplify]: Simplify -1 into -1
6.102 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
6.102 * [taylor]: Taking taylor expansion of z in x
6.102 * [backup-simplify]: Simplify z into z
6.102 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
6.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.102 * [taylor]: Taking taylor expansion of y in x
6.102 * [backup-simplify]: Simplify y into y
6.102 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.102 * [taylor]: Taking taylor expansion of x in x
6.102 * [backup-simplify]: Simplify 0 into 0
6.102 * [backup-simplify]: Simplify 1 into 1
6.103 * [backup-simplify]: Simplify (/ 1 1) into 1
6.103 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
6.103 * [taylor]: Taking taylor expansion of -1 in x
6.103 * [backup-simplify]: Simplify -1 into -1
6.103 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
6.103 * [taylor]: Taking taylor expansion of z in x
6.103 * [backup-simplify]: Simplify z into z
6.103 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
6.103 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.103 * [taylor]: Taking taylor expansion of y in x
6.103 * [backup-simplify]: Simplify y into y
6.103 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
6.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.103 * [taylor]: Taking taylor expansion of x in x
6.103 * [backup-simplify]: Simplify 0 into 0
6.103 * [backup-simplify]: Simplify 1 into 1
6.103 * [backup-simplify]: Simplify (/ 1 1) into 1
6.103 * [backup-simplify]: Simplify (- 1) into -1
6.104 * [backup-simplify]: Simplify (+ 0 -1) into -1
6.104 * [backup-simplify]: Simplify (* z -1) into (* -1 z)
6.104 * [backup-simplify]: Simplify (* -1 (* -1 z)) into z
6.104 * [taylor]: Taking taylor expansion of z in y
6.104 * [backup-simplify]: Simplify z into z
6.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.105 * [backup-simplify]: Simplify (- 0) into 0
6.105 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
6.105 * [backup-simplify]: Simplify (+ (* z (/ 1 y)) (* 0 -1)) into (/ z y)
6.105 * [backup-simplify]: Simplify (+ (* -1 (/ z y)) (* 0 (* -1 z))) into (- (/ z y))
6.105 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
6.105 * [taylor]: Taking taylor expansion of (/ z y) in y
6.105 * [taylor]: Taking taylor expansion of z in y
6.105 * [backup-simplify]: Simplify z into z
6.105 * [taylor]: Taking taylor expansion of y in y
6.105 * [backup-simplify]: Simplify 0 into 0
6.105 * [backup-simplify]: Simplify 1 into 1
6.105 * [backup-simplify]: Simplify (/ z 1) into z
6.105 * [backup-simplify]: Simplify (- z) into (- z)
6.105 * [taylor]: Taking taylor expansion of (- z) in z
6.105 * [taylor]: Taking taylor expansion of z in z
6.105 * [backup-simplify]: Simplify 0 into 0
6.105 * [backup-simplify]: Simplify 1 into 1
6.106 * [backup-simplify]: Simplify (- 0) into 0
6.106 * [backup-simplify]: Simplify 0 into 0
6.106 * [taylor]: Taking taylor expansion of z in z
6.106 * [backup-simplify]: Simplify 0 into 0
6.106 * [backup-simplify]: Simplify 1 into 1
6.106 * [backup-simplify]: Simplify 0 into 0
6.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
6.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.107 * [backup-simplify]: Simplify (- 0) into 0
6.107 * [backup-simplify]: Simplify (+ 0 0) into 0
6.107 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
6.108 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ z y)) (* 0 (* -1 z)))) into 0
6.108 * [taylor]: Taking taylor expansion of 0 in y
6.108 * [backup-simplify]: Simplify 0 into 0
6.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
6.113 * [backup-simplify]: Simplify (- 0) into 0
6.113 * [taylor]: Taking taylor expansion of 0 in z
6.113 * [backup-simplify]: Simplify 0 into 0
6.113 * [backup-simplify]: Simplify 0 into 0
6.113 * [taylor]: Taking taylor expansion of 0 in z
6.113 * [backup-simplify]: Simplify 0 into 0
6.113 * [backup-simplify]: Simplify 0 into 0
6.114 * [backup-simplify]: Simplify (- 1) into -1
6.114 * [backup-simplify]: Simplify -1 into -1
6.114 * [backup-simplify]: Simplify 1 into 1
6.114 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
6.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.115 * [backup-simplify]: Simplify (- 0) into 0
6.115 * [backup-simplify]: Simplify (+ 0 0) into 0
6.116 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
6.116 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ z y)) (* 0 (* -1 z))))) into 0
6.116 * [taylor]: Taking taylor expansion of 0 in y
6.116 * [backup-simplify]: Simplify 0 into 0
6.116 * [taylor]: Taking taylor expansion of 0 in z
6.116 * [backup-simplify]: Simplify 0 into 0
6.116 * [backup-simplify]: Simplify 0 into 0
6.117 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.118 * [backup-simplify]: Simplify (- 0) into 0
6.118 * [taylor]: Taking taylor expansion of 0 in z
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [taylor]: Taking taylor expansion of 0 in z
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [backup-simplify]: Simplify (- 0) into 0
6.118 * [backup-simplify]: Simplify 0 into 0
6.118 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (- z)) (* 1 (/ 1 (/ 1 (- x)))))) (* -1 (* (/ 1 (- z)) (* (/ 1 (/ 1 (- y))) 1)))) into (- (/ x z) (/ y z))
6.118 * * * [progress]: simplifying candidates
6.119 * [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))
6.120 * * [simplify]: Extracting # 0 : cost  0
6.120 * * [simplify]: Extracting # 1 : cost  0
6.120 * * [simplify]: Extracting # 2 : cost  0
6.120 * * [simplify]: Extracting # 3 : cost  0
6.120 * * [simplify]: Extracting # 4 : cost  0
6.120 * * [simplify]: Extracting # 5 : cost  0
6.120 * * [simplify]: iteration  0 :  75  enodes  (cost  416 )
6.139 * * [simplify]: Extracting # 0 : cost  0
6.139 * * [simplify]: Extracting # 1 : cost  0
6.139 * * [simplify]: Extracting # 2 : cost  0
6.139 * * [simplify]: iteration  1 :  160  enodes  (cost  394 )
6.177 * * [simplify]: Extracting # 0 : cost  0
6.177 * * [simplify]: Extracting # 1 : cost  0
6.177 * * [simplify]: Extracting # 2 : cost  0
6.178 * * [simplify]: Extracting # 3 : cost  0
6.178 * * [simplify]: iteration  2 :  375  enodes  (cost  374 )
6.383 * * [simplify]: Extracting # 0 : cost  0
6.385 * * [simplify]: Extracting # 1 : cost  0
6.387 * * [simplify]: Extracting # 2 : cost  0
6.388 * * [simplify]: Extracting # 3 : cost  0
6.389 * * [simplify]: Extracting # 4 : cost  0
6.390 * * [simplify]: iteration  3 :  1000  enodes  (cost  374 )
7.247 * * [simplify]: Extracting # 0 : cost  0
7.251 * * [simplify]: Extracting # 1 : cost  0
7.253 * * [simplify]: Extracting # 2 : cost  0
7.255 * * [simplify]: Extracting # 3 : cost  0
7.257 * * [simplify]: Extracting # 4 : cost  0
7.258 * * [simplify]: iteration  4 :  2603  enodes  (cost  373 )
8.578 * * [simplify]: Extracting # 0 : cost  0
8.583 * * [simplify]: Extracting # 1 : cost  0
8.587 * * [simplify]: Extracting # 2 : cost  0
8.598 * * [simplify]: Extracting # 3 : cost  0
8.603 * * [simplify]: Extracting # 4 : cost  0
8.607 * * [simplify]: iteration done:  5001  enodes  (cost  373 )
8.608 * [simplify]: Simplified to:
  (expm1 (/ (- x y) z))
  (log1p (/ (- x y) z))
  (log (/ (- x y) z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (pow (/ (- x y) z) 3)
  (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z)))
  (cbrt (/ (- x y) z))
  (pow (/ (- x y) z) 3)
  (sqrt (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (- y x)
  (- 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)))
  (/ (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 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))
  (/ (- (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 x x (* y (+ x y))) z)
  (* z (+ x y))
  (/ (- x y) z)
  (/ (- x y) z)
  (/ (- x y) z)
8.608 * * * [progress]: adding candidates to table
8.724 * [progress]: [Phase 3 of 3] Extracting.
8.726 * [simplify]: Simplifying:
  (* 4.0 (- (/ (- x y) z) 0.5))
8.726 * * [simplify]: Extracting # 0 : cost  0
8.726 * * [simplify]: Extracting # 1 : cost  0
8.726 * * [simplify]: Extracting # 2 : cost  0
8.726 * * [simplify]: Extracting # 3 : cost  0
8.726 * * [simplify]: Extracting # 4 : cost  0
8.726 * * [simplify]: Extracting # 5 : cost  0
8.726 * * [simplify]: Extracting # 6 : cost  0
8.726 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
8.726 * * [simplify]: Extracting # 0 : cost  0
8.727 * * [simplify]: iteration  1 :  10  enodes  (cost  9 )
8.727 * * [simplify]: Extracting # 0 : cost  0
8.727 * * [simplify]: iteration done:  10  enodes  (cost  9 )
8.727 * [simplify]: Simplified to:
  (* 4.0 (- (/ (- x y) z) 0.5))
10.156 * [regime-testing]: Baseline error score: 0.006698957682300432
10.158 * [regime-testing]: Oracle error score: 0.006698957682300432
10.158 * [regime-testing]: End program error score: 0.006698957682300432
10.185 * [regime-testing]: Target error score: 0.00814725903255936