32.732 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.031 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying:
  (- (/ (* x y) 2.0) (/ z 8.0))
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: Extracting # 3 : cost  0
0.034 * * [simplify]: Extracting # 4 : cost  0
0.034 * * [simplify]: Extracting # 5 : cost  0
0.034 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
0.036 * * [simplify]: Extracting # 0 : cost  0
0.036 * * [simplify]: Extracting # 1 : cost  0
0.036 * * [simplify]: Extracting # 2 : cost  0
0.036 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  2 :  21  enodes  (cost  9 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  3 :  24  enodes  (cost  9 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.051 * * [simplify]: iteration  4 :  25  enodes  (cost  9 )
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: iteration done:  25  enodes  (cost  9 )
0.057 * [simplify]: Simplified to:
  (- (/ (* x y) 2.0) (/ z 8.0))
0.057 * * [progress]: iteration 1 / 4
0.057 * * * [progress]: picking best candidate
0.059 * * * * [pick]: Picked  #<alt (λ (x y z) (- (/ (* x y) 2.0) (/ z 8.0)))>
0.059 * * * [progress]: localizing error
0.080 * * * [progress]: generating rewritten candidates
0.080 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.096 * * * [progress]: generating series expansions
0.096 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.097 * [backup-simplify]: Simplify (/ (* x y) 2.0) into (* 0.5 (* x y))
0.097 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0
0.097 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.097 * [taylor]: Taking taylor expansion of 0.5 in y
0.097 * [backup-simplify]: Simplify 0.5 into 0.5
0.097 * [taylor]: Taking taylor expansion of (* x y) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [backup-simplify]: Simplify x into x
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.097 * [taylor]: Taking taylor expansion of 0.5 in x
0.097 * [backup-simplify]: Simplify 0.5 into 0.5
0.097 * [taylor]: Taking taylor expansion of (* x y) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [backup-simplify]: Simplify y into y
0.097 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.097 * [taylor]: Taking taylor expansion of 0.5 in x
0.097 * [backup-simplify]: Simplify 0.5 into 0.5
0.097 * [taylor]: Taking taylor expansion of (* x y) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [backup-simplify]: Simplify y into y
0.097 * [backup-simplify]: Simplify (* 0 y) into 0
0.098 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.099 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y)
0.099 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.099 * [taylor]: Taking taylor expansion of 0.5 in y
0.099 * [backup-simplify]: Simplify 0.5 into 0.5
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
0.100 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 y) (* 0 0))) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.102 * [backup-simplify]: Simplify 0.5 into 0.5
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 y) (* 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 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (* 0.5 (* y x)) into (* 0.5 (* x y))
0.108 * [backup-simplify]: Simplify (/ (* (/ 1 x) (/ 1 y)) 2.0) into (/ 0.5 (* x y))
0.108 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.108 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.108 * [taylor]: Taking taylor expansion of 0.5 in y
0.108 * [backup-simplify]: Simplify 0.5 into 0.5
0.108 * [taylor]: Taking taylor expansion of (* x y) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.108 * [backup-simplify]: Simplify x into x
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (* x 0) into 0
0.109 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.109 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.109 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.109 * [taylor]: Taking taylor expansion of 0.5 in x
0.109 * [backup-simplify]: Simplify 0.5 into 0.5
0.109 * [taylor]: Taking taylor expansion of (* x y) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [taylor]: Taking taylor expansion of y in x
0.109 * [backup-simplify]: Simplify y into y
0.109 * [backup-simplify]: Simplify (* 0 y) into 0
0.110 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.110 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.110 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.110 * [taylor]: Taking taylor expansion of 0.5 in x
0.110 * [backup-simplify]: Simplify 0.5 into 0.5
0.110 * [taylor]: Taking taylor expansion of (* x y) 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 * [taylor]: Taking taylor expansion of y in x
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (* 0 y) into 0
0.110 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.110 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.110 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.110 * [taylor]: Taking taylor expansion of 0.5 in y
0.110 * [backup-simplify]: Simplify 0.5 into 0.5
0.110 * [taylor]: Taking taylor expansion of y in y
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.111 * [backup-simplify]: Simplify 0.5 into 0.5
0.112 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.112 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.114 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in y
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.117 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))) into (* 0.5 (* x y))
0.118 * [backup-simplify]: Simplify (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) into (/ 0.5 (* x y))
0.118 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.118 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.118 * [taylor]: Taking taylor expansion of 0.5 in y
0.118 * [backup-simplify]: Simplify 0.5 into 0.5
0.118 * [taylor]: Taking taylor expansion of (* x y) in y
0.118 * [taylor]: Taking taylor expansion of x in y
0.118 * [backup-simplify]: Simplify x into x
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 (* x 0) into 0
0.119 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.119 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.119 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.119 * [taylor]: Taking taylor expansion of 0.5 in x
0.119 * [backup-simplify]: Simplify 0.5 into 0.5
0.119 * [taylor]: Taking taylor expansion of (* x y) 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 * [taylor]: Taking taylor expansion of y in x
0.119 * [backup-simplify]: Simplify y into y
0.119 * [backup-simplify]: Simplify (* 0 y) into 0
0.119 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.120 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.120 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.120 * [taylor]: Taking taylor expansion of 0.5 in x
0.120 * [backup-simplify]: Simplify 0.5 into 0.5
0.120 * [taylor]: Taking taylor expansion of (* x y) 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 * [taylor]: Taking taylor expansion of y in x
0.120 * [backup-simplify]: Simplify y into y
0.120 * [backup-simplify]: Simplify (* 0 y) into 0
0.120 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.120 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.120 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.120 * [taylor]: Taking taylor expansion of 0.5 in y
0.120 * [backup-simplify]: Simplify 0.5 into 0.5
0.120 * [taylor]: Taking taylor expansion of y in y
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.121 * [backup-simplify]: Simplify 0.5 into 0.5
0.122 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.122 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.122 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.124 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.127 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in y
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 (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))) into (* 0.5 (* x y))
0.128 * * * [progress]: simplifying candidates
0.129 * [simplify]: Simplifying:
  (- (+ (log x) (log y)) (log 2.0))
  (- (log (* x y)) (log 2.0))
  (log (/ (* x y) 2.0))
  (exp (/ (* x y) 2.0))
  (/ (* (* (* x x) x) (* (* y y) y)) (* (* 2.0 2.0) 2.0))
  (/ (* (* (* x y) (* x y)) (* x y)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0)))
  (cbrt (/ (* x y) 2.0))
  (* (* (/ (* x y) 2.0) (/ (* x y) 2.0)) (/ (* x y) 2.0))
  (sqrt (/ (* x y) 2.0))
  (sqrt (/ (* x y) 2.0))
  (- (* x y))
  (- 2.0)
  (/ x (* (cbrt 2.0) (cbrt 2.0)))
  (/ y (cbrt 2.0))
  (/ x (sqrt 2.0))
  (/ y (sqrt 2.0))
  (/ x 1)
  (/ y 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ (* x y) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (sqrt 2.0))
  (/ (* x y) 1)
  (/ 2.0 y)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.129 * * [simplify]: Extracting # 0 : cost  0
0.129 * * [simplify]: Extracting # 1 : cost  0
0.129 * * [simplify]: Extracting # 2 : cost  0
0.130 * * [simplify]: Extracting # 3 : cost  0
0.130 * * [simplify]: Extracting # 4 : cost  0
0.130 * * [simplify]: Extracting # 5 : cost  0
0.130 * * [simplify]: Extracting # 6 : cost  0
0.130 * * [simplify]: iteration  0 :  50  enodes  (cost  186 )
0.149 * * [simplify]: Extracting # 0 : cost  0
0.149 * * [simplify]: Extracting # 1 : cost  0
0.149 * * [simplify]: Extracting # 2 : cost  0
0.150 * * [simplify]: iteration  1 :  115  enodes  (cost  179 )
0.197 * * [simplify]: Extracting # 0 : cost  0
0.198 * * [simplify]: Extracting # 1 : cost  0
0.199 * * [simplify]: Extracting # 2 : cost  0
0.199 * * [simplify]: Extracting # 3 : cost  0
0.200 * * [simplify]: Extracting # 4 : cost  0
0.201 * * [simplify]: iteration  2 :  403  enodes  (cost  149 )
0.719 * * [simplify]: Extracting # 0 : cost  0
0.721 * * [simplify]: Extracting # 1 : cost  0
0.723 * * [simplify]: Extracting # 2 : cost  0
0.725 * * [simplify]: Extracting # 3 : cost  0
0.727 * * [simplify]: Extracting # 4 : cost  0
0.729 * * [simplify]: iteration  3 :  1798  enodes  (cost  149 )
3.795 * * [simplify]: Extracting # 0 : cost  0
3.809 * * [simplify]: Extracting # 1 : cost  0
3.824 * * [simplify]: Extracting # 2 : cost  0
3.831 * * [simplify]: Extracting # 3 : cost  0
3.839 * * [simplify]: Extracting # 4 : cost  0
3.846 * * [simplify]: Extracting # 5 : cost  0
3.852 * * [simplify]: iteration done:  5000  enodes  (cost  149 )
3.852 * [simplify]: Simplified to:
  (log (/ (* x y) 2.0))
  (log (/ (* x y) 2.0))
  (log (/ (* x y) 2.0))
  (exp (/ (* x y) 2.0))
  (pow (/ (* x y) 2.0) 3)
  (pow (/ (* x y) 2.0) 3)
  (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0)))
  (cbrt (/ (* x y) 2.0))
  (pow (/ (* x y) 2.0) 3)
  (sqrt (/ (* x y) 2.0))
  (sqrt (/ (* x y) 2.0))
  (- (* x y))
  (- 2.0)
  (/ x (* (cbrt 2.0) (cbrt 2.0)))
  (/ y (cbrt 2.0))
  (/ x (sqrt 2.0))
  (/ y (sqrt 2.0))
  x
  (/ y 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ (* x y) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (sqrt 2.0))
  (* x y)
  (/ 2.0 y)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
3.853 * * * [progress]: adding candidates to table
3.906 * [progress]: [Phase 3 of 3] Extracting.
3.908 * [simplify]: Simplifying:
  (- (/ (* x y) 2.0) (/ z 8.0))
3.908 * * [simplify]: Extracting # 0 : cost  0
3.908 * * [simplify]: Extracting # 1 : cost  0
3.908 * * [simplify]: Extracting # 2 : cost  0
3.908 * * [simplify]: Extracting # 3 : cost  0
3.908 * * [simplify]: Extracting # 4 : cost  0
3.908 * * [simplify]: Extracting # 5 : cost  0
3.908 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
3.909 * * [simplify]: Extracting # 0 : cost  0
3.909 * * [simplify]: iteration  1 :  10  enodes  (cost  9 )
3.909 * * [simplify]: Extracting # 0 : cost  0
3.909 * * [simplify]: iteration done:  10  enodes  (cost  9 )
3.909 * [simplify]: Simplified to:
  (- (/ (* x y) 2.0) (/ z 8.0))
5.280 * [regime-testing]: End program error score: 0.0315770674460209