9.713 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying:
  (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.025 * [simplify]: Sending expressions to egg_math:
 (+ (- (* (/ h0 h1) h2) (/ (* h3 h4) h5)) h6)
0.028 * * [simplify]: iteration  0 :  25  enodes  (cost  6 )
0.030 * * [simplify]: iteration  1 :  50  enodes  (cost  6 )
0.032 * * [simplify]: iteration  2 :  80  enodes  (cost  6 )
0.034 * * [simplify]: iteration  3 :  122  enodes  (cost  6 )
0.037 * * [simplify]: iteration  4 :  171  enodes  (cost  5 )
0.040 * * [simplify]: iteration  5 :  230  enodes  (cost  5 )
0.043 * * [simplify]: iteration  6 :  267  enodes  (cost  5 )
0.047 * * [simplify]: iteration  7 :  370  enodes  (cost  5 )
0.053 * * [simplify]: iteration  8 :  522  enodes  (cost  5 )
0.058 * * [simplify]: iteration  9 :  820  enodes  (cost  5 )
0.063 * * [simplify]: iteration  10 :  820  enodes  (cost  5 )
0.067 * * [progress]: iteration 1 / 4
0.067 * * * [progress]: picking best candidate
0.070 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))>
0.070 * * * [progress]: localizing error
0.080 * * * [progress]: generating rewritten candidates
0.080 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.091 * * * [progress]: generating series expansions
0.091 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.091 * [backup-simplify]: Simplify (/ (* y z) 2.0) into (* 0.5 (* z y))
0.091 * [approximate]: Taking taylor expansion of (* 0.5 (* z y)) in (y z) around 0
0.091 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in z
0.091 * [taylor]: Taking taylor expansion of 0.5 in z
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
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 (* 0.5 (* z y)) in y
0.091 * [taylor]: Taking taylor expansion of 0.5 in y
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
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 (* 0.5 (* z y)) in y
0.091 * [taylor]: Taking taylor expansion of 0.5 in y
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
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
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (* z 0) into 0
0.092 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.093 * [backup-simplify]: Simplify (+ (* 0.5 z) (* 0 0)) into (* 0.5 z)
0.093 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.093 * [taylor]: Taking taylor expansion of 0.5 in z
0.093 * [backup-simplify]: Simplify 0.5 into 0.5
0.093 * [taylor]: Taking taylor expansion of z in z
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.094 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 z) (* 0 0))) into 0
0.094 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.095 * [backup-simplify]: Simplify 0.5 into 0.5
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.096 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 z) (* 0 0)))) into 0
0.096 * [taylor]: Taking taylor expansion of 0 in z
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 z) (* 0 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 (* 0.5 (* z y)) into (* 0.5 (* z y))
0.099 * [backup-simplify]: Simplify (/ (* (/ 1 y) (/ 1 z)) 2.0) into (/ 0.5 (* z y))
0.099 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.099 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.099 * [taylor]: Taking taylor expansion of 0.5 in z
0.099 * [backup-simplify]: Simplify 0.5 into 0.5
0.099 * [taylor]: Taking taylor expansion of (* z y) in z
0.099 * [taylor]: Taking taylor expansion of z in z
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [taylor]: Taking taylor expansion of y in z
0.099 * [backup-simplify]: Simplify y into y
0.099 * [backup-simplify]: Simplify (* 0 y) into 0
0.099 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.099 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.099 * [taylor]: Taking taylor expansion of (/ 0.5 (* z 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 (* 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
0.100 * [backup-simplify]: Simplify (/ 0.5 z) into (/ 0.5 z)
0.100 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.100 * [taylor]: Taking taylor expansion of 0.5 in y
0.100 * [backup-simplify]: Simplify 0.5 into 0.5
0.100 * [taylor]: Taking taylor expansion of (* z y) in y
0.100 * [taylor]: Taking taylor expansion of z in y
0.100 * [backup-simplify]: Simplify z into z
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (* z 0) into 0
0.100 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.100 * [backup-simplify]: Simplify (/ 0.5 z) into (/ 0.5 z)
0.100 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.100 * [taylor]: Taking taylor expansion of 0.5 in z
0.100 * [backup-simplify]: Simplify 0.5 into 0.5
0.100 * [taylor]: Taking taylor expansion of z in z
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.100 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.105 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 0.5 z) (/ 0 z)))) into 0
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.106 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 0.5 z) (/ 0 z)) (* 0 (/ 0 z)))) 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 0 into 0
0.107 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.107 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 0.5 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) 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 (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 z)) (/ 1 (/ 1 y)))) into (* 0.5 (* z y))
0.109 * [backup-simplify]: Simplify (/ (* (/ 1 (- y)) (/ 1 (- z))) 2.0) into (/ 0.5 (* z y))
0.109 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.109 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.109 * [taylor]: Taking taylor expansion of 0.5 in z
0.109 * [backup-simplify]: Simplify 0.5 into 0.5
0.109 * [taylor]: Taking taylor expansion of (* z y) in z
0.109 * [taylor]: Taking taylor expansion of z in z
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 z
0.109 * [backup-simplify]: Simplify y into y
0.109 * [backup-simplify]: Simplify (* 0 y) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.109 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.109 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.109 * [taylor]: Taking taylor expansion of 0.5 in y
0.109 * [backup-simplify]: Simplify 0.5 into 0.5
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
0.110 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.110 * [backup-simplify]: Simplify (/ 0.5 z) into (/ 0.5 z)
0.110 * [taylor]: Taking taylor expansion of (/ 0.5 (* z 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 (* z y) in y
0.110 * [taylor]: Taking taylor expansion of z in y
0.110 * [backup-simplify]: Simplify z into z
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (* z 0) into 0
0.110 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.110 * [backup-simplify]: Simplify (/ 0.5 z) into (/ 0.5 z)
0.110 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.110 * [taylor]: Taking taylor expansion of 0.5 in z
0.110 * [backup-simplify]: Simplify 0.5 into 0.5
0.110 * [taylor]: Taking taylor expansion of z in z
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [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
0.111 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.111 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 0.5 z) (/ 0 z)))) into 0
0.111 * [taylor]: Taking taylor expansion of 0 in z
0.111 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.112 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 0.5 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.114 * [backup-simplify]: Simplify (- (/ 0 z) (+ (* (/ 0.5 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in z
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 (- z))) (/ 1 (/ 1 (- y))))) into (* 0.5 (* z y))
0.115 * * * [progress]: simplifying candidates
0.115 * [simplify]: Simplifying:
  (expm1 (/ (* y z) 2.0))
  (log1p (/ (* y z) 2.0))
  (- (+ (log y) (log z)) (log 2.0))
  (- (log (* y z)) (log 2.0))
  (log (/ (* y z) 2.0))
  (exp (/ (* y z) 2.0))
  (/ (* (* (* y y) y) (* (* z z) z)) (* (* 2.0 2.0) 2.0))
  (/ (* (* (* y z) (* y z)) (* y z)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (/ (* y z) 2.0)) (cbrt (/ (* y z) 2.0)))
  (cbrt (/ (* y z) 2.0))
  (* (* (/ (* y z) 2.0) (/ (* y z) 2.0)) (/ (* y z) 2.0))
  (sqrt (/ (* y z) 2.0))
  (sqrt (/ (* y z) 2.0))
  (- (* y z))
  (- 2.0)
  (/ y (* (cbrt 2.0) (cbrt 2.0)))
  (/ z (cbrt 2.0))
  (/ y (sqrt 2.0))
  (/ z (sqrt 2.0))
  (/ y 1)
  (/ z 2.0)
  (/ 1 2.0)
  (/ 2.0 (* y z))
  (/ (* y z) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* y z) (sqrt 2.0))
  (/ (* y z) 1)
  (/ 2.0 z)
  (* 0.5 (* z y))
  (* 0.5 (* z y))
  (* 0.5 (* z y))
0.115 * [simplify]: Sending expressions to egg_math:
 (expm1 (/ (* h0 h1) h2))
 (log1p (/ (* h0 h1) h2))
 (- (+ (log h0) (log h1)) (log h2))
 (- (log (* h0 h1)) (log h2))
 (log (/ (* h0 h1) h2))
 (exp (/ (* h0 h1) h2))
 (/ (* (* (* h0 h0) h0) (* (* h1 h1) h1)) (* (* h2 h2) h2))
 (/ (* (* (* h0 h1) (* h0 h1)) (* h0 h1)) (* (* h2 h2) h2))
 (* (cbrt (/ (* h0 h1) h2)) (cbrt (/ (* h0 h1) h2)))
 (cbrt (/ (* h0 h1) h2))
 (* (* (/ (* h0 h1) h2) (/ (* h0 h1) h2)) (/ (* h0 h1) h2))
 (sqrt (/ (* h0 h1) h2))
 (sqrt (/ (* h0 h1) h2))
 (- (* h0 h1))
 (- h2)
 (/ h0 (* (cbrt h2) (cbrt h2)))
 (/ h1 (cbrt h2))
 (/ h0 (sqrt h2))
 (/ h1 (sqrt h2))
 (/ h0 1)
 (/ h1 h2)
 (/ 1 h2)
 (/ h2 (* h0 h1))
 (/ (* h0 h1) (* (cbrt h2) (cbrt h2)))
 (/ (* h0 h1) (sqrt h2))
 (/ (* h0 h1) 1)
 (/ h2 h1)
 (* h3 (* h1 h0))
 (* h3 (* h1 h0))
 (* h3 (* h1 h0))
0.119 * * [simplify]: iteration  0 :  118  enodes  (cost  91 )
0.122 * * [simplify]: iteration  1 :  537  enodes  (cost  76 )
0.134 * * [simplify]: iteration  2 :  2521  enodes  (cost  76 )
0.179 * * [simplify]: iteration  3 :  5001  enodes  (cost  76 )
0.180 * * * [progress]: adding candidates to table
0.241 * [progress]: [Phase 3 of 3] Extracting.
0.243 * [simplify]: Simplifying:
  (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.243 * [simplify]: Sending expressions to egg_math:
 (+ (- (* (/ h0 h1) h2) (/ (* h3 h4) h5)) h6)
0.243 * * [simplify]: iteration  0 :  16  enodes  (cost  6 )
0.243 * * [simplify]: iteration  1 :  16  enodes  (cost  6 )
0.908 * [regime-testing]: End program error score: 0.03312914114264283
0.934 * [regime-testing]: Target error score: 0.009501187648456057