34.958 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* (/ x y) (- z t)) t)
0.024 * * [simplify]: iteration  0 :  15  enodes  (cost  3 )
0.026 * * [simplify]: iteration  1 :  33  enodes  (cost  3 )
0.027 * * [simplify]: iteration  2 :  63  enodes  (cost  3 )
0.028 * * [simplify]: iteration  3 :  107  enodes  (cost  3 )
0.030 * * [simplify]: iteration  4 :  148  enodes  (cost  3 )
0.032 * * [simplify]: iteration  5 :  181  enodes  (cost  3 )
0.035 * * [simplify]: iteration  6 :  220  enodes  (cost  3 )
0.038 * * [simplify]: iteration  7 :  307  enodes  (cost  3 )
0.041 * * [simplify]: iteration  8 :  587  enodes  (cost  3 )
0.049 * * [simplify]: iteration  9 :  1181  enodes  (cost  3 )
0.063 * * [simplify]: iteration  10 :  2314  enodes  (cost  3 )
0.086 * * [simplify]: iteration  11 :  3736  enodes  (cost  3 )
0.116 * * [simplify]: iteration  12 :  5001  enodes  (cost  3 )
0.116 * [simplify]: Simplified to:
   (fma (/ x y) (- z t) t)
0.119 * * [progress]: iteration 1 / 4
0.119 * * * [progress]: picking best candidate
0.121 * * * * [pick]: Picked  #<alt (λ (x y z t) (fma (/ x y) (- z t) t))>
0.121 * * * [progress]: localizing error
0.127 * * * [progress]: generating rewritten candidates
0.127 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.128 * * * [progress]: generating series expansions
0.128 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.128 * [approximate]: Taking taylor expansion of (fma (/ x y) (- z t) t) in (x y z t) around 0
0.128 * [taylor]: Taking taylor expansion of (fma (/ x y) (- z t) t) in t
0.128 * [taylor]: Rewrote expression to (+ (* (/ x y) (- z t)) t)
0.128 * [taylor]: Taking taylor expansion of (* (/ x y) (- z t)) in t
0.128 * [taylor]: Taking taylor expansion of (/ x y) in t
0.128 * [taylor]: Taking taylor expansion of x in t
0.128 * [taylor]: Taking taylor expansion of y in t
0.128 * [taylor]: Taking taylor expansion of (- z t) in t
0.128 * [taylor]: Taking taylor expansion of z in t
0.128 * [taylor]: Taking taylor expansion of t in t
0.128 * [taylor]: Taking taylor expansion of t in t
0.128 * [taylor]: Taking taylor expansion of (fma (/ x y) (- z t) t) in z
0.128 * [taylor]: Rewrote expression to (+ (* (/ x y) (- z t)) t)
0.128 * [taylor]: Taking taylor expansion of (* (/ x y) (- z t)) in z
0.128 * [taylor]: Taking taylor expansion of (/ x y) in z
0.128 * [taylor]: Taking taylor expansion of x in z
0.128 * [taylor]: Taking taylor expansion of y in z
0.128 * [taylor]: Taking taylor expansion of (- z t) in z
0.128 * [taylor]: Taking taylor expansion of z in z
0.128 * [taylor]: Taking taylor expansion of t in z
0.128 * [taylor]: Taking taylor expansion of t in z
0.128 * [taylor]: Taking taylor expansion of (fma (/ x y) (- z t) t) in y
0.128 * [taylor]: Rewrote expression to (+ (* (/ x y) (- z t)) t)
0.128 * [taylor]: Taking taylor expansion of (* (/ x y) (- z t)) in y
0.128 * [taylor]: Taking taylor expansion of (/ x y) in y
0.128 * [taylor]: Taking taylor expansion of x in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (- z t) in y
0.128 * [taylor]: Taking taylor expansion of z in y
0.128 * [taylor]: Taking taylor expansion of t in y
0.128 * [taylor]: Taking taylor expansion of t in y
0.128 * [taylor]: Taking taylor expansion of (fma (/ x y) (- z t) t) in x
0.129 * [taylor]: Rewrote expression to (+ (* (/ x y) (- z t)) t)
0.129 * [taylor]: Taking taylor expansion of (* (/ x y) (- z t)) in x
0.129 * [taylor]: Taking taylor expansion of (/ x y) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (- z t) in x
0.129 * [taylor]: Taking taylor expansion of z in x
0.129 * [taylor]: Taking taylor expansion of t in x
0.129 * [taylor]: Taking taylor expansion of t in x
0.129 * [taylor]: Taking taylor expansion of (fma (/ x y) (- z t) t) in x
0.129 * [taylor]: Rewrote expression to (+ (* (/ x y) (- z t)) t)
0.129 * [taylor]: Taking taylor expansion of (* (/ x y) (- z t)) in x
0.129 * [taylor]: Taking taylor expansion of (/ x y) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (- z t) in x
0.129 * [taylor]: Taking taylor expansion of z in x
0.129 * [taylor]: Taking taylor expansion of t in x
0.129 * [taylor]: Taking taylor expansion of t in x
0.129 * [taylor]: Taking taylor expansion of t in y
0.129 * [taylor]: Taking taylor expansion of (- (/ z y) (/ t y)) in y
0.129 * [taylor]: Taking taylor expansion of (/ z y) in y
0.129 * [taylor]: Taking taylor expansion of z in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of (/ t y) in y
0.129 * [taylor]: Taking taylor expansion of t in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of (- z t) in z
0.129 * [taylor]: Taking taylor expansion of z in z
0.129 * [taylor]: Taking taylor expansion of t in z
0.129 * [taylor]: Taking taylor expansion of (- t) in t
0.129 * [taylor]: Taking taylor expansion of t in t
0.130 * [taylor]: Taking taylor expansion of t in z
0.130 * [taylor]: Taking taylor expansion of t in t
0.131 * [taylor]: Taking taylor expansion of 0 in y
0.132 * [taylor]: Taking taylor expansion of 0 in z
0.132 * [taylor]: Taking taylor expansion of 0 in t
0.132 * [taylor]: Taking taylor expansion of 0 in z
0.132 * [taylor]: Taking taylor expansion of 0 in t
0.133 * [taylor]: Taking taylor expansion of 1 in t
0.133 * [taylor]: Taking taylor expansion of 0 in t
0.134 * [approximate]: Taking taylor expansion of (fma (/ y x) (- (/ 1 z) (/ 1 t)) (/ 1 t)) in (x y z t) around 0
0.134 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 z) (/ 1 t)) (/ 1 t)) in t
0.134 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 z) (/ 1 t))) (/ 1 t))
0.134 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 z) (/ 1 t))) in t
0.134 * [taylor]: Taking taylor expansion of (/ y x) in t
0.134 * [taylor]: Taking taylor expansion of y in t
0.134 * [taylor]: Taking taylor expansion of x in t
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in t
0.134 * [taylor]: Taking taylor expansion of (/ 1 z) in t
0.134 * [taylor]: Taking taylor expansion of z in t
0.134 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.134 * [taylor]: Taking taylor expansion of t in t
0.134 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.134 * [taylor]: Taking taylor expansion of t in t
0.135 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 z) (/ 1 t)) (/ 1 t)) in z
0.135 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 z) (/ 1 t))) (/ 1 t))
0.135 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 z) (/ 1 t))) in z
0.135 * [taylor]: Taking taylor expansion of (/ y x) in z
0.135 * [taylor]: Taking taylor expansion of y in z
0.135 * [taylor]: Taking taylor expansion of x in z
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in z
0.135 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.135 * [taylor]: Taking taylor expansion of z in z
0.135 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.135 * [taylor]: Taking taylor expansion of t in z
0.135 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.135 * [taylor]: Taking taylor expansion of t in z
0.135 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 z) (/ 1 t)) (/ 1 t)) in y
0.135 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 z) (/ 1 t))) (/ 1 t))
0.135 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 z) (/ 1 t))) in y
0.135 * [taylor]: Taking taylor expansion of (/ y x) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of x in y
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in y
0.135 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.135 * [taylor]: Taking taylor expansion of z in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.136 * [taylor]: Taking taylor expansion of t in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.136 * [taylor]: Taking taylor expansion of t in y
0.136 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 z) (/ 1 t)) (/ 1 t)) in x
0.136 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 z) (/ 1 t))) (/ 1 t))
0.136 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 z) (/ 1 t))) in x
0.136 * [taylor]: Taking taylor expansion of (/ y x) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.136 * [taylor]: Taking taylor expansion of z in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.136 * [taylor]: Taking taylor expansion of t in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.136 * [taylor]: Taking taylor expansion of t in x
0.136 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 z) (/ 1 t)) (/ 1 t)) in x
0.136 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 z) (/ 1 t))) (/ 1 t))
0.136 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 z) (/ 1 t))) in x
0.136 * [taylor]: Taking taylor expansion of (/ y x) in x
0.136 * [taylor]: Taking taylor expansion of y in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.136 * [taylor]: Taking taylor expansion of z in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.136 * [taylor]: Taking taylor expansion of t in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.136 * [taylor]: Taking taylor expansion of t in x
0.137 * [taylor]: Taking taylor expansion of (- (/ y z) (/ y t)) in y
0.137 * [taylor]: Taking taylor expansion of (/ y z) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of z in y
0.137 * [taylor]: Taking taylor expansion of (/ y t) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of t in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.138 * [taylor]: Taking taylor expansion of t in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.138 * [taylor]: Taking taylor expansion of t in z
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 t)) in z
0.138 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.138 * [taylor]: Taking taylor expansion of z in z
0.139 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.139 * [taylor]: Taking taylor expansion of t in z
0.139 * [taylor]: Taking taylor expansion of 1 in t
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [taylor]: Taking taylor expansion of 0 in z
0.141 * [taylor]: Taking taylor expansion of 0 in z
0.142 * [taylor]: Taking taylor expansion of 0 in z
0.142 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.142 * [taylor]: Taking taylor expansion of t in t
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.142 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.142 * [taylor]: Taking taylor expansion of t in t
0.144 * [approximate]: Taking taylor expansion of (fma (/ y x) (- (/ 1 t) (/ 1 z)) (/ -1 t)) in (x y z t) around 0
0.144 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 t) (/ 1 z)) (/ -1 t)) in t
0.144 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 t) (/ 1 z))) (/ -1 t))
0.144 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 t) (/ 1 z))) in t
0.144 * [taylor]: Taking taylor expansion of (/ y x) in t
0.144 * [taylor]: Taking taylor expansion of y in t
0.144 * [taylor]: Taking taylor expansion of x in t
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in t
0.144 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.144 * [taylor]: Taking taylor expansion of t in t
0.144 * [taylor]: Taking taylor expansion of (/ 1 z) in t
0.144 * [taylor]: Taking taylor expansion of z in t
0.144 * [taylor]: Taking taylor expansion of (/ -1 t) in t
0.144 * [taylor]: Taking taylor expansion of -1 in t
0.144 * [taylor]: Taking taylor expansion of t in t
0.145 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 t) (/ 1 z)) (/ -1 t)) in z
0.145 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 t) (/ 1 z))) (/ -1 t))
0.145 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 t) (/ 1 z))) in z
0.145 * [taylor]: Taking taylor expansion of (/ y x) in z
0.145 * [taylor]: Taking taylor expansion of y in z
0.145 * [taylor]: Taking taylor expansion of x in z
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in z
0.145 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.145 * [taylor]: Taking taylor expansion of t in z
0.145 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.145 * [taylor]: Taking taylor expansion of z in z
0.145 * [taylor]: Taking taylor expansion of (/ -1 t) in z
0.145 * [taylor]: Taking taylor expansion of -1 in z
0.145 * [taylor]: Taking taylor expansion of t in z
0.145 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 t) (/ 1 z)) (/ -1 t)) in y
0.145 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 t) (/ 1 z))) (/ -1 t))
0.145 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 t) (/ 1 z))) in y
0.145 * [taylor]: Taking taylor expansion of (/ y x) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.146 * [taylor]: Taking taylor expansion of t in y
0.146 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.146 * [taylor]: Taking taylor expansion of z in y
0.146 * [taylor]: Taking taylor expansion of (/ -1 t) in y
0.146 * [taylor]: Taking taylor expansion of -1 in y
0.146 * [taylor]: Taking taylor expansion of t in y
0.146 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 t) (/ 1 z)) (/ -1 t)) in x
0.146 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 t) (/ 1 z))) (/ -1 t))
0.146 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 t) (/ 1 z))) in x
0.146 * [taylor]: Taking taylor expansion of (/ y x) in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.146 * [taylor]: Taking taylor expansion of t in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.146 * [taylor]: Taking taylor expansion of z in x
0.146 * [taylor]: Taking taylor expansion of (/ -1 t) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [taylor]: Taking taylor expansion of t in x
0.146 * [taylor]: Taking taylor expansion of (fma (/ y x) (- (/ 1 t) (/ 1 z)) (/ -1 t)) in x
0.146 * [taylor]: Rewrote expression to (+ (* (/ y x) (- (/ 1 t) (/ 1 z))) (/ -1 t))
0.146 * [taylor]: Taking taylor expansion of (* (/ y x) (- (/ 1 t) (/ 1 z))) in x
0.146 * [taylor]: Taking taylor expansion of (/ y x) in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 t) in x
0.146 * [taylor]: Taking taylor expansion of t in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.146 * [taylor]: Taking taylor expansion of z in x
0.146 * [taylor]: Taking taylor expansion of (/ -1 t) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [taylor]: Taking taylor expansion of t in x
0.147 * [taylor]: Taking taylor expansion of (- (/ y t) (/ y z)) in y
0.147 * [taylor]: Taking taylor expansion of (/ y t) in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.147 * [taylor]: Taking taylor expansion of t in y
0.147 * [taylor]: Taking taylor expansion of (/ y z) in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.147 * [taylor]: Taking taylor expansion of z in y
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in y
0.148 * [taylor]: Taking taylor expansion of (/ 1 t) in y
0.148 * [taylor]: Taking taylor expansion of t in y
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in z
0.148 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.148 * [taylor]: Taking taylor expansion of t in z
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 t) (/ 1 z)) in z
0.148 * [taylor]: Taking taylor expansion of (/ 1 t) in z
0.148 * [taylor]: Taking taylor expansion of t in z
0.148 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.148 * [taylor]: Taking taylor expansion of z in z
0.149 * [taylor]: Taking taylor expansion of -1 in t
0.151 * [taylor]: Taking taylor expansion of 0 in y
0.151 * [taylor]: Taking taylor expansion of 0 in z
0.151 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.152 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.152 * [taylor]: Taking taylor expansion of t in t
0.153 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.153 * [taylor]: Taking taylor expansion of t in t
0.154 * * * [progress]: simplifying candidates
0.154 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (/ x y) (- z t))
  (- (+ t (/ (* x z) y)) (/ (* t x) y))
  (- (+ t (/ (* x z) y)) (/ (* t x) y))
  (- (+ t (/ (* x z) y)) (/ (* t x) y))
0.157 * * [simplify]: iteration  0 :  29  enodes  (cost  21 )
0.158 * * [simplify]: iteration  1 :  60  enodes  (cost  21 )
0.160 * * [simplify]: iteration  2 :  103  enodes  (cost  18 )
0.162 * * [simplify]: iteration  3 :  174  enodes  (cost  12 )
0.164 * * [simplify]: iteration  4 :  225  enodes  (cost  12 )
0.167 * * [simplify]: iteration  5 :  286  enodes  (cost  12 )
0.170 * * [simplify]: iteration  6 :  497  enodes  (cost  12 )
0.176 * * [simplify]: iteration  7 :  881  enodes  (cost  12 )
0.182 * * [simplify]: iteration  8 :  1440  enodes  (cost  12 )
0.192 * * [simplify]: iteration  9 :  1862  enodes  (cost  12 )
0.211 * * [simplify]: iteration  10 :  3190  enodes  (cost  12 )
0.235 * * [simplify]: iteration  11 :  4640  enodes  (cost  12 )
0.264 * * [simplify]: iteration  12 :  5002  enodes  (cost  12 )
0.264 * [simplify]: Simplified to:
   (* (/ x y) (- z t))
  (fma (/ x y) (- z t) t)
  (fma (/ x y) (- z t) t)
  (fma (/ x y) (- z t) t)
0.264 * * * [progress]: adding candidates to table
0.267 * [progress]: [Phase 3 of 3] Extracting.
0.268 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma (/ x y) (- z t) t)
0.269 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.269 * [simplify]: Simplified to:
   (fma (/ x y) (- z t) t)
0.906 * [regime-testing]: End program error score: 1.83628559549289
0.933 * [regime-testing]: Target error score: 2.119669399861754