3.797 * [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:
  (- (* a a) (* b b))
0.022 * [simplify]: Sending expressions to egg_math:
 (- (* h0 h0) (* h1 h1))
0.024 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.026 * * [simplify]: iteration  1 :  17  enodes  (cost  3 )
0.027 * * [simplify]: iteration  2 :  32  enodes  (cost  3 )
0.029 * * [simplify]: iteration  3 :  58  enodes  (cost  3 )
0.031 * * [simplify]: iteration  4 :  129  enodes  (cost  3 )
0.033 * * [simplify]: iteration  5 :  207  enodes  (cost  3 )
0.036 * * [simplify]: iteration  6 :  393  enodes  (cost  3 )
0.045 * * [simplify]: iteration  7 :  1794  enodes  (cost  3 )
0.097 * * [simplify]: iteration  8 :  5001  enodes  (cost  3 )
0.098 * * [progress]: iteration 1 / 4
0.098 * * * [progress]: picking best candidate
0.099 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
0.099 * * * [progress]: localizing error
0.103 * * * [progress]: generating rewritten candidates
0.103 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.112 * * * [progress]: generating series expansions
0.112 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.112 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
0.112 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
0.112 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
0.112 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.112 * [taylor]: Taking taylor expansion of a in b
0.112 * [backup-simplify]: Simplify a into a
0.112 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.112 * [taylor]: Taking taylor expansion of b in b
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.113 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
0.113 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.113 * [taylor]: Taking taylor expansion of a in a
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.113 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.113 * [taylor]: Taking taylor expansion of b in a
0.113 * [backup-simplify]: Simplify b into b
0.113 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
0.113 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.113 * [taylor]: Taking taylor expansion of a in a
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.113 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.113 * [taylor]: Taking taylor expansion of b in a
0.113 * [backup-simplify]: Simplify b into b
0.113 * [backup-simplify]: Simplify (* b b) into (pow b 2)
0.113 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
0.113 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
0.113 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
0.113 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.113 * [taylor]: Taking taylor expansion of b in b
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.113 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
0.114 * [backup-simplify]: Simplify (- 0) into 0
0.114 * [backup-simplify]: Simplify (+ 0 0) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in b
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (* 1 1) into 1
0.115 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify (+ 1 0) into 1
0.115 * [taylor]: Taking taylor expansion of 1 in b
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (* 1 1) into 1
0.116 * [backup-simplify]: Simplify (- 1) into -1
0.116 * [backup-simplify]: Simplify -1 into -1
0.116 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.117 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.117 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [taylor]: Taking taylor expansion of 0 in b
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (+ (* 1 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 0) (+ (* 0 0) (* 0 1))) into 0
0.119 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ 0 0) into 0
0.119 * [taylor]: Taking taylor expansion of 0 in b
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
0.120 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
0.120 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
0.120 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.120 * [taylor]: Taking taylor expansion of a in b
0.120 * [backup-simplify]: Simplify a into a
0.120 * [backup-simplify]: Simplify (* a a) into (pow a 2)
0.120 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.120 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.120 * [taylor]: Taking taylor expansion of b in b
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* 1 1) into 1
0.121 * [backup-simplify]: Simplify (/ 1 1) into 1
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.121 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.121 * [taylor]: Taking taylor expansion of a in a
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* 1 1) into 1
0.121 * [backup-simplify]: Simplify (/ 1 1) into 1
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.121 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.121 * [taylor]: Taking taylor expansion of b in a
0.121 * [backup-simplify]: Simplify b into b
0.121 * [backup-simplify]: Simplify (* b b) into (pow b 2)
0.121 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.122 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.122 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.122 * [taylor]: Taking taylor expansion of a in a
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (* 1 1) into 1
0.122 * [backup-simplify]: Simplify (/ 1 1) into 1
0.122 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.122 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.122 * [taylor]: Taking taylor expansion of b in a
0.122 * [backup-simplify]: Simplify b into b
0.122 * [backup-simplify]: Simplify (* b b) into (pow b 2)
0.122 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
0.123 * [backup-simplify]: Simplify (+ 1 0) into 1
0.123 * [taylor]: Taking taylor expansion of 1 in b
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in b
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.124 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
0.125 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
0.125 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
0.125 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.125 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.125 * [taylor]: Taking taylor expansion of b in b
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (* 1 1) into 1
0.125 * [backup-simplify]: Simplify (/ 1 1) into 1
0.126 * [backup-simplify]: Simplify (- 1) into -1
0.126 * [backup-simplify]: Simplify -1 into -1
0.126 * [backup-simplify]: Simplify 1 into 1
0.126 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
0.127 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in b
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (- 0) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
0.130 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [taylor]: Taking taylor expansion of 0 in b
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.132 * [backup-simplify]: Simplify (- 0) into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
0.132 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
0.132 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
0.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
0.132 * [taylor]: Taking taylor expansion of (pow a 2) in b
0.132 * [taylor]: Taking taylor expansion of a in b
0.132 * [backup-simplify]: Simplify a into a
0.132 * [backup-simplify]: Simplify (* a a) into (pow a 2)
0.132 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.132 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.132 * [taylor]: Taking taylor expansion of b in b
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (* 1 1) into 1
0.133 * [backup-simplify]: Simplify (/ 1 1) into 1
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.133 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.133 * [taylor]: Taking taylor expansion of a in a
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (* 1 1) into 1
0.134 * [backup-simplify]: Simplify (/ 1 1) into 1
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.134 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.134 * [taylor]: Taking taylor expansion of b in a
0.134 * [backup-simplify]: Simplify b into b
0.134 * [backup-simplify]: Simplify (* b b) into (pow b 2)
0.134 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
0.134 * [taylor]: Taking taylor expansion of (pow a 2) in a
0.134 * [taylor]: Taking taylor expansion of a in a
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (* 1 1) into 1
0.134 * [backup-simplify]: Simplify (/ 1 1) into 1
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
0.134 * [taylor]: Taking taylor expansion of (pow b 2) in a
0.134 * [taylor]: Taking taylor expansion of b in a
0.134 * [backup-simplify]: Simplify b into b
0.134 * [backup-simplify]: Simplify (* b b) into (pow b 2)
0.134 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
0.135 * [backup-simplify]: Simplify (+ 1 0) into 1
0.135 * [taylor]: Taking taylor expansion of 1 in b
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.136 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [taylor]: Taking taylor expansion of 0 in b
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
0.137 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
0.137 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
0.137 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
0.137 * [taylor]: Taking taylor expansion of (pow b 2) in b
0.137 * [taylor]: Taking taylor expansion of b in b
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (* 1 1) into 1
0.138 * [backup-simplify]: Simplify (/ 1 1) into 1
0.138 * [backup-simplify]: Simplify (- 1) into -1
0.138 * [backup-simplify]: Simplify -1 into -1
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
0.139 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
0.139 * [backup-simplify]: Simplify (- 0) into 0
0.140 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [taylor]: Taking taylor expansion of 0 in b
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (- 0) into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
0.143 * [backup-simplify]: Simplify (- 0) into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [taylor]: Taking taylor expansion of 0 in b
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
0.144 * * * [progress]: simplifying candidates
0.145 * [simplify]: Simplifying:
  (/ (exp (* a a)) (exp (* b b)))
  (log (- (* a a) (* b b)))
  (exp (- (* a a) (* b b)))
  (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b))))
  (cbrt (- (* a a) (* b b)))
  (* (* (- (* a a) (* b b)) (- (* a a) (* b b))) (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow (* a a) 3) (pow (* b b) 3))
  (+ (* (* a a) (* a a)) (+ (* (* b b) (* b b)) (* (* a a) (* b b))))
  (- (* b b))
  (- (* (* a a) (* a a)) (* (* b b) (* b b)))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (* b b))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
0.145 * [simplify]: Sending expressions to egg_math:
 (/ (exp (* h0 h0)) (exp (* h1 h1)))
 (log (- (* h0 h0) (* h1 h1)))
 (exp (- (* h0 h0) (* h1 h1)))
 (* (cbrt (- (* h0 h0) (* h1 h1))) (cbrt (- (* h0 h0) (* h1 h1))))
 (cbrt (- (* h0 h0) (* h1 h1)))
 (* (* (- (* h0 h0) (* h1 h1)) (- (* h0 h0) (* h1 h1))) (- (* h0 h0) (* h1 h1)))
 (sqrt (- (* h0 h0) (* h1 h1)))
 (sqrt (- (* h0 h0) (* h1 h1)))
 (- (pow (* h0 h0) 3) (pow (* h1 h1) 3))
 (+ (* (* h0 h0) (* h0 h0)) (+ (* (* h1 h1) (* h1 h1)) (* (* h0 h0) (* h1 h1))))
 (- (* h1 h1))
 (- (* (* h0 h0) (* h0 h0)) (* (* h1 h1) (* h1 h1)))
 (+ (* h0 h0) (* h1 h1))
 (+ h0 h1)
 (- h0 h1)
 (- (* h1 h1))
 (- (pow h0 2) (pow h1 2))
 (- (pow h0 2) (pow h1 2))
 (- (pow h0 2) (pow h1 2))
0.148 * * [simplify]: iteration  0 :  93  enodes  (cost  83 )
0.151 * * [simplify]: iteration  1 :  375  enodes  (cost  72 )
0.157 * * [simplify]: iteration  2 :  1243  enodes  (cost  72 )
0.182 * * [simplify]: iteration  3 :  5001  enodes  (cost  72 )
0.183 * * * [progress]: adding candidates to table
0.210 * * [progress]: iteration 2 / 4
0.210 * * * [progress]: picking best candidate
0.211 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
0.211 * * * [progress]: localizing error
0.215 * * * [progress]: generating rewritten candidates
0.215 * * * [progress]: generating series expansions
0.215 * * * [progress]: simplifying candidates
0.215 * [simplify]: Simplifying:
  
0.215 * [simplify]: Sending expressions to egg_math:
 
0.217 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.217 * * * [progress]: adding candidates to table
0.218 * [progress]: [Phase 3 of 3] Extracting.
0.219 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
0.219 * [simplify]: Sending expressions to egg_math:
 (* (+ h0 h1) (- h0 h1))
0.219 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.219 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.818 * [regime-testing]: End program error score: 0.0005000625078134767
0.836 * [regime-testing]: Target error score: 0.0005000625078134767