25.762 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.035 * * [simplify]: iteration 0: 5 enodes
0.036 * * [simplify]: iteration 1: 10 enodes
0.038 * * [simplify]: iteration 2: 17 enodes
0.042 * * [simplify]: iteration 3: 32 enodes
0.050 * * [simplify]: iteration 4: 58 enodes
0.069 * * [simplify]: iteration 5: 129 enodes
0.110 * * [simplify]: iteration 6: 281 enodes
0.245 * * [simplify]: iteration 7: 703 enodes
1.288 * * [simplify]: iteration 8: 3184 enodes
2.862 * * [simplify]: iteration complete: 5000 enodes
2.862 * * [simplify]: Extracting #0: cost 1 inf + 0
2.863 * * [simplify]: Extracting #1: cost 139 inf + 0
2.865 * * [simplify]: Extracting #2: cost 1135 inf + 42
2.872 * * [simplify]: Extracting #3: cost 1018 inf + 18699
2.901 * * [simplify]: Extracting #4: cost 149 inf + 129695
2.955 * * [simplify]: Extracting #5: cost 1 inf + 155685
2.992 * * [simplify]: Extracting #6: cost 0 inf + 155807
3.026 * [simplify]: Simplified to:
  (- (* a a) (* b b))
3.026 * * [progress]: iteration 1 / 4
3.026 * * * [progress]: picking best candidate
3.030 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
3.030 * * * [progress]: localizing error
3.036 * * * [progress]: generating rewritten candidates
3.036 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.048 * * * [progress]: generating series expansions
3.048 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.048 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
3.048 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
3.048 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
3.048 * [taylor]: Taking taylor expansion of (pow a 2) in b
3.048 * [taylor]: Taking taylor expansion of a in b
3.048 * [backup-simplify]: Simplify a into a
3.048 * [taylor]: Taking taylor expansion of (pow b 2) in b
3.048 * [taylor]: Taking taylor expansion of b in b
3.048 * [backup-simplify]: Simplify 0 into 0
3.048 * [backup-simplify]: Simplify 1 into 1
3.048 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
3.048 * [taylor]: Taking taylor expansion of (pow a 2) in a
3.048 * [taylor]: Taking taylor expansion of a in a
3.048 * [backup-simplify]: Simplify 0 into 0
3.048 * [backup-simplify]: Simplify 1 into 1
3.048 * [taylor]: Taking taylor expansion of (pow b 2) in a
3.048 * [taylor]: Taking taylor expansion of b in a
3.048 * [backup-simplify]: Simplify b into b
3.048 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
3.048 * [taylor]: Taking taylor expansion of (pow a 2) in a
3.048 * [taylor]: Taking taylor expansion of a in a
3.048 * [backup-simplify]: Simplify 0 into 0
3.048 * [backup-simplify]: Simplify 1 into 1
3.049 * [taylor]: Taking taylor expansion of (pow b 2) in a
3.049 * [taylor]: Taking taylor expansion of b in a
3.049 * [backup-simplify]: Simplify b into b
3.049 * [backup-simplify]: Simplify (* b b) into (pow b 2)
3.049 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
3.049 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
3.049 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
3.049 * [taylor]: Taking taylor expansion of (pow b 2) in b
3.049 * [taylor]: Taking taylor expansion of b in b
3.049 * [backup-simplify]: Simplify 0 into 0
3.049 * [backup-simplify]: Simplify 1 into 1
3.049 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
3.050 * [backup-simplify]: Simplify (- 0) into 0
3.050 * [backup-simplify]: Simplify (+ 0 0) into 0
3.050 * [taylor]: Taking taylor expansion of 0 in b
3.050 * [backup-simplify]: Simplify 0 into 0
3.050 * [backup-simplify]: Simplify 0 into 0
3.051 * [backup-simplify]: Simplify (* 1 1) into 1
3.051 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
3.052 * [backup-simplify]: Simplify (- 0) into 0
3.052 * [backup-simplify]: Simplify (+ 1 0) into 1
3.052 * [taylor]: Taking taylor expansion of 1 in b
3.052 * [backup-simplify]: Simplify 1 into 1
3.052 * [backup-simplify]: Simplify 1 into 1
3.052 * [backup-simplify]: Simplify 0 into 0
3.052 * [backup-simplify]: Simplify (* 1 1) into 1
3.053 * [backup-simplify]: Simplify (- 1) into -1
3.053 * [backup-simplify]: Simplify -1 into -1
3.053 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.054 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
3.054 * [backup-simplify]: Simplify (- 0) into 0
3.055 * [backup-simplify]: Simplify (+ 0 0) into 0
3.055 * [taylor]: Taking taylor expansion of 0 in b
3.055 * [backup-simplify]: Simplify 0 into 0
3.055 * [backup-simplify]: Simplify 0 into 0
3.055 * [backup-simplify]: Simplify 0 into 0
3.055 * [backup-simplify]: Simplify 0 into 0
3.056 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.056 * [backup-simplify]: Simplify (- 0) into 0
3.056 * [backup-simplify]: Simplify 0 into 0
3.057 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.058 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
3.058 * [backup-simplify]: Simplify (- 0) into 0
3.059 * [backup-simplify]: Simplify (+ 0 0) into 0
3.059 * [taylor]: Taking taylor expansion of 0 in b
3.059 * [backup-simplify]: Simplify 0 into 0
3.059 * [backup-simplify]: Simplify 0 into 0
3.059 * [backup-simplify]: Simplify 0 into 0
3.059 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
3.059 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
3.059 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
3.059 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
3.059 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
3.059 * [taylor]: Taking taylor expansion of (pow a 2) in b
3.059 * [taylor]: Taking taylor expansion of a in b
3.060 * [backup-simplify]: Simplify a into a
3.060 * [backup-simplify]: Simplify (* a a) into (pow a 2)
3.060 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
3.060 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
3.060 * [taylor]: Taking taylor expansion of (pow b 2) in b
3.060 * [taylor]: Taking taylor expansion of b in b
3.060 * [backup-simplify]: Simplify 0 into 0
3.060 * [backup-simplify]: Simplify 1 into 1
3.060 * [backup-simplify]: Simplify (* 1 1) into 1
3.061 * [backup-simplify]: Simplify (/ 1 1) into 1
3.061 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
3.061 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
3.061 * [taylor]: Taking taylor expansion of (pow a 2) in a
3.061 * [taylor]: Taking taylor expansion of a in a
3.061 * [backup-simplify]: Simplify 0 into 0
3.061 * [backup-simplify]: Simplify 1 into 1
3.061 * [backup-simplify]: Simplify (* 1 1) into 1
3.061 * [backup-simplify]: Simplify (/ 1 1) into 1
3.061 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
3.061 * [taylor]: Taking taylor expansion of (pow b 2) in a
3.062 * [taylor]: Taking taylor expansion of b in a
3.062 * [backup-simplify]: Simplify b into b
3.062 * [backup-simplify]: Simplify (* b b) into (pow b 2)
3.062 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
3.062 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
3.062 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
3.062 * [taylor]: Taking taylor expansion of (pow a 2) in a
3.062 * [taylor]: Taking taylor expansion of a in a
3.062 * [backup-simplify]: Simplify 0 into 0
3.062 * [backup-simplify]: Simplify 1 into 1
3.062 * [backup-simplify]: Simplify (* 1 1) into 1
3.063 * [backup-simplify]: Simplify (/ 1 1) into 1
3.063 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
3.063 * [taylor]: Taking taylor expansion of (pow b 2) in a
3.063 * [taylor]: Taking taylor expansion of b in a
3.063 * [backup-simplify]: Simplify b into b
3.063 * [backup-simplify]: Simplify (* b b) into (pow b 2)
3.063 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
3.063 * [backup-simplify]: Simplify (+ 1 0) into 1
3.063 * [taylor]: Taking taylor expansion of 1 in b
3.063 * [backup-simplify]: Simplify 1 into 1
3.064 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.064 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.064 * [backup-simplify]: Simplify (+ 0 0) into 0
3.064 * [taylor]: Taking taylor expansion of 0 in b
3.064 * [backup-simplify]: Simplify 0 into 0
3.065 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.065 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.065 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
3.066 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
3.066 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
3.066 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
3.066 * [taylor]: Taking taylor expansion of (pow b 2) in b
3.066 * [taylor]: Taking taylor expansion of b in b
3.066 * [backup-simplify]: Simplify 0 into 0
3.066 * [backup-simplify]: Simplify 1 into 1
3.066 * [backup-simplify]: Simplify (* 1 1) into 1
3.066 * [backup-simplify]: Simplify (/ 1 1) into 1
3.066 * [backup-simplify]: Simplify (- 1) into -1
3.066 * [backup-simplify]: Simplify -1 into -1
3.066 * [backup-simplify]: Simplify 1 into 1
3.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.067 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.068 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
3.068 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
3.068 * [backup-simplify]: Simplify (- 0) into 0
3.068 * [backup-simplify]: Simplify (+ 0 0) into 0
3.068 * [taylor]: Taking taylor expansion of 0 in b
3.068 * [backup-simplify]: Simplify 0 into 0
3.069 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.069 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.069 * [backup-simplify]: Simplify (- 0) into 0
3.069 * [backup-simplify]: Simplify 0 into 0
3.069 * [backup-simplify]: Simplify 0 into 0
3.069 * [backup-simplify]: Simplify 0 into 0
3.070 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.071 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.071 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
3.071 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
3.072 * [backup-simplify]: Simplify (- 0) into 0
3.072 * [backup-simplify]: Simplify (+ 0 0) into 0
3.072 * [taylor]: Taking taylor expansion of 0 in b
3.072 * [backup-simplify]: Simplify 0 into 0
3.073 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.074 * [backup-simplify]: Simplify (- 0) into 0
3.074 * [backup-simplify]: Simplify 0 into 0
3.074 * [backup-simplify]: Simplify 0 into 0
3.074 * [backup-simplify]: Simplify 0 into 0
3.075 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
3.075 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
3.075 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
3.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
3.075 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
3.075 * [taylor]: Taking taylor expansion of (pow a 2) in b
3.075 * [taylor]: Taking taylor expansion of a in b
3.075 * [backup-simplify]: Simplify a into a
3.075 * [backup-simplify]: Simplify (* a a) into (pow a 2)
3.075 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
3.076 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
3.076 * [taylor]: Taking taylor expansion of (pow b 2) in b
3.076 * [taylor]: Taking taylor expansion of b in b
3.076 * [backup-simplify]: Simplify 0 into 0
3.076 * [backup-simplify]: Simplify 1 into 1
3.076 * [backup-simplify]: Simplify (* 1 1) into 1
3.076 * [backup-simplify]: Simplify (/ 1 1) into 1
3.076 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
3.076 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
3.077 * [taylor]: Taking taylor expansion of (pow a 2) in a
3.077 * [taylor]: Taking taylor expansion of a in a
3.077 * [backup-simplify]: Simplify 0 into 0
3.077 * [backup-simplify]: Simplify 1 into 1
3.077 * [backup-simplify]: Simplify (* 1 1) into 1
3.077 * [backup-simplify]: Simplify (/ 1 1) into 1
3.077 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
3.077 * [taylor]: Taking taylor expansion of (pow b 2) in a
3.077 * [taylor]: Taking taylor expansion of b in a
3.077 * [backup-simplify]: Simplify b into b
3.077 * [backup-simplify]: Simplify (* b b) into (pow b 2)
3.078 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
3.078 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
3.078 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
3.078 * [taylor]: Taking taylor expansion of (pow a 2) in a
3.078 * [taylor]: Taking taylor expansion of a in a
3.078 * [backup-simplify]: Simplify 0 into 0
3.078 * [backup-simplify]: Simplify 1 into 1
3.078 * [backup-simplify]: Simplify (* 1 1) into 1
3.079 * [backup-simplify]: Simplify (/ 1 1) into 1
3.079 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
3.079 * [taylor]: Taking taylor expansion of (pow b 2) in a
3.079 * [taylor]: Taking taylor expansion of b in a
3.079 * [backup-simplify]: Simplify b into b
3.079 * [backup-simplify]: Simplify (* b b) into (pow b 2)
3.079 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
3.079 * [backup-simplify]: Simplify (+ 1 0) into 1
3.079 * [taylor]: Taking taylor expansion of 1 in b
3.079 * [backup-simplify]: Simplify 1 into 1
3.080 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.081 * [backup-simplify]: Simplify (+ 0 0) into 0
3.081 * [taylor]: Taking taylor expansion of 0 in b
3.081 * [backup-simplify]: Simplify 0 into 0
3.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.083 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.083 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
3.083 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
3.083 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
3.083 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
3.083 * [taylor]: Taking taylor expansion of (pow b 2) in b
3.083 * [taylor]: Taking taylor expansion of b in b
3.083 * [backup-simplify]: Simplify 0 into 0
3.083 * [backup-simplify]: Simplify 1 into 1
3.084 * [backup-simplify]: Simplify (* 1 1) into 1
3.084 * [backup-simplify]: Simplify (/ 1 1) into 1
3.084 * [backup-simplify]: Simplify (- 1) into -1
3.084 * [backup-simplify]: Simplify -1 into -1
3.085 * [backup-simplify]: Simplify 1 into 1
3.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.086 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.086 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
3.087 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
3.087 * [backup-simplify]: Simplify (- 0) into 0
3.088 * [backup-simplify]: Simplify (+ 0 0) into 0
3.088 * [taylor]: Taking taylor expansion of 0 in b
3.088 * [backup-simplify]: Simplify 0 into 0
3.088 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.089 * [backup-simplify]: Simplify (- 0) into 0
3.089 * [backup-simplify]: Simplify 0 into 0
3.089 * [backup-simplify]: Simplify 0 into 0
3.089 * [backup-simplify]: Simplify 0 into 0
3.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.092 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
3.092 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
3.093 * [backup-simplify]: Simplify (- 0) into 0
3.093 * [backup-simplify]: Simplify (+ 0 0) into 0
3.093 * [taylor]: Taking taylor expansion of 0 in b
3.093 * [backup-simplify]: Simplify 0 into 0
3.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.095 * [backup-simplify]: Simplify (- 0) into 0
3.095 * [backup-simplify]: Simplify 0 into 0
3.095 * [backup-simplify]: Simplify 0 into 0
3.095 * [backup-simplify]: Simplify 0 into 0
3.095 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
3.095 * * * [progress]: simplifying candidates
3.096 * [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))
3.096 * * [simplify]: iteration 0: 33 enodes
3.102 * * [simplify]: iteration 1: 111 enodes
3.158 * * [simplify]: iteration 2: 589 enodes
3.448 * * [simplify]: iteration complete: 5000 enodes
3.448 * * [simplify]: Extracting #0: cost 14 inf + 0
3.457 * * [simplify]: Extracting #1: cost 378 inf + 0
3.466 * * [simplify]: Extracting #2: cost 1741 inf + 8767
3.508 * * [simplify]: Extracting #3: cost 1092 inf + 138850
3.586 * * [simplify]: Extracting #4: cost 185 inf + 251345
3.667 * * [simplify]: Extracting #5: cost 22 inf + 291030
3.742 * * [simplify]: Extracting #6: cost 0 inf + 297799
3.808 * [simplify]: Simplified to:
  (exp (* (+ a b) (- a b)))
  (log (* (+ a b) (- a b)))
  (exp (* (+ a b) (- a b)))
  (* (cbrt (* (+ a b) (- a b))) (cbrt (* (+ a b) (- a b))))
  (cbrt (* (+ a b) (- a b)))
  (* (* (+ a b) (- a b)) (* (* (+ a b) (- a b)) (* (+ a b) (- a b))))
  (sqrt (* (+ a b) (- a b)))
  (sqrt (* (+ a b) (- a b)))
  (* (+ (* (* a a) a) (* b (* b b))) (- (* (* a a) a) (* b (* b b))))
  (+ (* (* b b) (+ (* b b) (* a a))) (* (* a a) (* a a)))
  (* (- b) b)
  (* (+ (* a a) (* b b)) (- (* a a) (* b b)))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (* (- b) b)
  (* (+ a b) (- a b))
  (* (+ a b) (- a b))
  (* (+ a b) (- a b))
3.809 * * * [progress]: adding candidates to table
3.889 * * [progress]: iteration 2 / 4
3.889 * * * [progress]: picking best candidate
3.892 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
3.892 * * * [progress]: localizing error
3.898 * * * [progress]: generating rewritten candidates
3.898 * * * [progress]: generating series expansions
3.898 * * * [progress]: simplifying candidates
3.898 * [simplify]: Simplifying:
  
3.898 * * [simplify]: iteration 0: 0 enodes
3.898 * * [simplify]: iteration complete: 0 enodes
3.898 * * [simplify]: Extracting #0: cost 0 inf + 0
3.898 * [simplify]: Simplified to:
  
3.898 * * * [progress]: adding candidates to table
3.899 * [progress]: [Phase 3 of 3] Extracting.
3.902 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
3.902 * * [simplify]: iteration 0: 5 enodes
3.902 * * [simplify]: iteration 1: 7 enodes
3.902 * * [simplify]: iteration complete: 7 enodes
3.902 * * [simplify]: Extracting #0: cost 1 inf + 0
3.902 * * [simplify]: Extracting #1: cost 3 inf + 0
3.902 * * [simplify]: Extracting #2: cost 5 inf + 0
3.902 * * [simplify]: Extracting #3: cost 3 inf + 2
3.902 * * [simplify]: Extracting #4: cost 0 inf + 208
3.903 * [simplify]: Simplified to:
  (* (+ b a) (- a b))
5.360 * [regime-testing]: Baseline error score: 0.0012501562695336917
5.369 * [regime-testing]: Oracle error score: 0.0012501562695336917
5.369 * [regime-testing]: End program error score: 0.0012501562695336917
5.485 * [regime-testing]: Target error score: 0.0012501562695336917