17.235 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.041 * [progress]: [Phase 2 of 3] Improving.
0.042 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.042 * * [simplify]: iteration 0: 5 enodes
0.043 * * [simplify]: iteration 1: 10 enodes
0.045 * * [simplify]: iteration 2: 17 enodes
0.047 * * [simplify]: iteration 3: 32 enodes
0.053 * * [simplify]: iteration 4: 58 enodes
0.075 * * [simplify]: iteration 5: 129 enodes
0.100 * * [simplify]: iteration 6: 281 enodes
0.195 * * [simplify]: iteration 7: 703 enodes
1.279 * * [simplify]: iteration 8: 3184 enodes
2.641 * * [simplify]: iteration complete: 5000 enodes
2.641 * * [simplify]: Extracting #0: cost 1 inf + 0
2.642 * * [simplify]: Extracting #1: cost 139 inf + 0
2.644 * * [simplify]: Extracting #2: cost 1135 inf + 42
2.654 * * [simplify]: Extracting #3: cost 1018 inf + 18699
2.678 * * [simplify]: Extracting #4: cost 149 inf + 129695
2.717 * * [simplify]: Extracting #5: cost 1 inf + 155685
2.763 * * [simplify]: Extracting #6: cost 0 inf + 155807
2.797 * [simplify]: Simplified to:
  (- (* a a) (* b b))
2.797 * * [progress]: iteration 1 / 4
2.797 * * * [progress]: picking best candidate
2.800 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
2.801 * * * [progress]: localizing error
2.807 * * * [progress]: generating rewritten candidates
2.808 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.815 * * * [progress]: generating series expansions
2.815 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.815 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
2.815 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
2.815 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
2.816 * [taylor]: Taking taylor expansion of (pow a 2) in b
2.816 * [taylor]: Taking taylor expansion of a in b
2.816 * [backup-simplify]: Simplify a into a
2.816 * [taylor]: Taking taylor expansion of (pow b 2) in b
2.816 * [taylor]: Taking taylor expansion of b in b
2.816 * [backup-simplify]: Simplify 0 into 0
2.816 * [backup-simplify]: Simplify 1 into 1
2.816 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
2.816 * [taylor]: Taking taylor expansion of (pow a 2) in a
2.816 * [taylor]: Taking taylor expansion of a in a
2.816 * [backup-simplify]: Simplify 0 into 0
2.816 * [backup-simplify]: Simplify 1 into 1
2.816 * [taylor]: Taking taylor expansion of (pow b 2) in a
2.816 * [taylor]: Taking taylor expansion of b in a
2.816 * [backup-simplify]: Simplify b into b
2.816 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
2.816 * [taylor]: Taking taylor expansion of (pow a 2) in a
2.816 * [taylor]: Taking taylor expansion of a in a
2.816 * [backup-simplify]: Simplify 0 into 0
2.816 * [backup-simplify]: Simplify 1 into 1
2.816 * [taylor]: Taking taylor expansion of (pow b 2) in a
2.816 * [taylor]: Taking taylor expansion of b in a
2.816 * [backup-simplify]: Simplify b into b
2.816 * [backup-simplify]: Simplify (* b b) into (pow b 2)
2.817 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
2.817 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
2.817 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
2.817 * [taylor]: Taking taylor expansion of (pow b 2) in b
2.817 * [taylor]: Taking taylor expansion of b in b
2.817 * [backup-simplify]: Simplify 0 into 0
2.817 * [backup-simplify]: Simplify 1 into 1
2.817 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
2.817 * [backup-simplify]: Simplify (- 0) into 0
2.818 * [backup-simplify]: Simplify (+ 0 0) into 0
2.818 * [taylor]: Taking taylor expansion of 0 in b
2.818 * [backup-simplify]: Simplify 0 into 0
2.818 * [backup-simplify]: Simplify 0 into 0
2.818 * [backup-simplify]: Simplify (* 1 1) into 1
2.818 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
2.819 * [backup-simplify]: Simplify (- 0) into 0
2.819 * [backup-simplify]: Simplify (+ 1 0) into 1
2.819 * [taylor]: Taking taylor expansion of 1 in b
2.819 * [backup-simplify]: Simplify 1 into 1
2.819 * [backup-simplify]: Simplify 1 into 1
2.819 * [backup-simplify]: Simplify 0 into 0
2.819 * [backup-simplify]: Simplify (* 1 1) into 1
2.820 * [backup-simplify]: Simplify (- 1) into -1
2.820 * [backup-simplify]: Simplify -1 into -1
2.820 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.820 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
2.821 * [backup-simplify]: Simplify (- 0) into 0
2.821 * [backup-simplify]: Simplify (+ 0 0) into 0
2.821 * [taylor]: Taking taylor expansion of 0 in b
2.821 * [backup-simplify]: Simplify 0 into 0
2.821 * [backup-simplify]: Simplify 0 into 0
2.821 * [backup-simplify]: Simplify 0 into 0
2.821 * [backup-simplify]: Simplify 0 into 0
2.821 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.822 * [backup-simplify]: Simplify (- 0) into 0
2.822 * [backup-simplify]: Simplify 0 into 0
2.822 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.823 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
2.823 * [backup-simplify]: Simplify (- 0) into 0
2.823 * [backup-simplify]: Simplify (+ 0 0) into 0
2.823 * [taylor]: Taking taylor expansion of 0 in b
2.823 * [backup-simplify]: Simplify 0 into 0
2.824 * [backup-simplify]: Simplify 0 into 0
2.824 * [backup-simplify]: Simplify 0 into 0
2.824 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
2.824 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
2.824 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
2.824 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
2.824 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
2.824 * [taylor]: Taking taylor expansion of (pow a 2) in b
2.824 * [taylor]: Taking taylor expansion of a in b
2.824 * [backup-simplify]: Simplify a into a
2.824 * [backup-simplify]: Simplify (* a a) into (pow a 2)
2.824 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
2.824 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
2.824 * [taylor]: Taking taylor expansion of (pow b 2) in b
2.824 * [taylor]: Taking taylor expansion of b in b
2.824 * [backup-simplify]: Simplify 0 into 0
2.824 * [backup-simplify]: Simplify 1 into 1
2.824 * [backup-simplify]: Simplify (* 1 1) into 1
2.825 * [backup-simplify]: Simplify (/ 1 1) into 1
2.825 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
2.825 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
2.825 * [taylor]: Taking taylor expansion of (pow a 2) in a
2.825 * [taylor]: Taking taylor expansion of a in a
2.825 * [backup-simplify]: Simplify 0 into 0
2.825 * [backup-simplify]: Simplify 1 into 1
2.825 * [backup-simplify]: Simplify (* 1 1) into 1
2.825 * [backup-simplify]: Simplify (/ 1 1) into 1
2.825 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
2.825 * [taylor]: Taking taylor expansion of (pow b 2) in a
2.825 * [taylor]: Taking taylor expansion of b in a
2.825 * [backup-simplify]: Simplify b into b
2.825 * [backup-simplify]: Simplify (* b b) into (pow b 2)
2.826 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
2.826 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
2.826 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
2.826 * [taylor]: Taking taylor expansion of (pow a 2) in a
2.826 * [taylor]: Taking taylor expansion of a in a
2.826 * [backup-simplify]: Simplify 0 into 0
2.826 * [backup-simplify]: Simplify 1 into 1
2.826 * [backup-simplify]: Simplify (* 1 1) into 1
2.826 * [backup-simplify]: Simplify (/ 1 1) into 1
2.826 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
2.826 * [taylor]: Taking taylor expansion of (pow b 2) in a
2.826 * [taylor]: Taking taylor expansion of b in a
2.826 * [backup-simplify]: Simplify b into b
2.826 * [backup-simplify]: Simplify (* b b) into (pow b 2)
2.826 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
2.827 * [backup-simplify]: Simplify (+ 1 0) into 1
2.827 * [taylor]: Taking taylor expansion of 1 in b
2.827 * [backup-simplify]: Simplify 1 into 1
2.827 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.827 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.828 * [backup-simplify]: Simplify (+ 0 0) into 0
2.828 * [taylor]: Taking taylor expansion of 0 in b
2.828 * [backup-simplify]: Simplify 0 into 0
2.828 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.829 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.829 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
2.829 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
2.829 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
2.829 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
2.829 * [taylor]: Taking taylor expansion of (pow b 2) in b
2.829 * [taylor]: Taking taylor expansion of b in b
2.829 * [backup-simplify]: Simplify 0 into 0
2.829 * [backup-simplify]: Simplify 1 into 1
2.829 * [backup-simplify]: Simplify (* 1 1) into 1
2.830 * [backup-simplify]: Simplify (/ 1 1) into 1
2.830 * [backup-simplify]: Simplify (- 1) into -1
2.830 * [backup-simplify]: Simplify -1 into -1
2.830 * [backup-simplify]: Simplify 1 into 1
2.830 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.831 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.831 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
2.831 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
2.832 * [backup-simplify]: Simplify (- 0) into 0
2.832 * [backup-simplify]: Simplify (+ 0 0) into 0
2.832 * [taylor]: Taking taylor expansion of 0 in b
2.832 * [backup-simplify]: Simplify 0 into 0
2.832 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.833 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.833 * [backup-simplify]: Simplify (- 0) into 0
2.833 * [backup-simplify]: Simplify 0 into 0
2.833 * [backup-simplify]: Simplify 0 into 0
2.833 * [backup-simplify]: Simplify 0 into 0
2.834 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.834 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.834 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
2.835 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
2.835 * [backup-simplify]: Simplify (- 0) into 0
2.835 * [backup-simplify]: Simplify (+ 0 0) into 0
2.835 * [taylor]: Taking taylor expansion of 0 in b
2.835 * [backup-simplify]: Simplify 0 into 0
2.836 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.836 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.836 * [backup-simplify]: Simplify (- 0) into 0
2.837 * [backup-simplify]: Simplify 0 into 0
2.837 * [backup-simplify]: Simplify 0 into 0
2.837 * [backup-simplify]: Simplify 0 into 0
2.837 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
2.837 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
2.837 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
2.837 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
2.837 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
2.837 * [taylor]: Taking taylor expansion of (pow a 2) in b
2.837 * [taylor]: Taking taylor expansion of a in b
2.837 * [backup-simplify]: Simplify a into a
2.837 * [backup-simplify]: Simplify (* a a) into (pow a 2)
2.837 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
2.837 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
2.837 * [taylor]: Taking taylor expansion of (pow b 2) in b
2.837 * [taylor]: Taking taylor expansion of b in b
2.837 * [backup-simplify]: Simplify 0 into 0
2.837 * [backup-simplify]: Simplify 1 into 1
2.838 * [backup-simplify]: Simplify (* 1 1) into 1
2.838 * [backup-simplify]: Simplify (/ 1 1) into 1
2.838 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
2.838 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
2.838 * [taylor]: Taking taylor expansion of (pow a 2) in a
2.838 * [taylor]: Taking taylor expansion of a in a
2.838 * [backup-simplify]: Simplify 0 into 0
2.838 * [backup-simplify]: Simplify 1 into 1
2.839 * [backup-simplify]: Simplify (* 1 1) into 1
2.839 * [backup-simplify]: Simplify (/ 1 1) into 1
2.839 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
2.839 * [taylor]: Taking taylor expansion of (pow b 2) in a
2.839 * [taylor]: Taking taylor expansion of b in a
2.839 * [backup-simplify]: Simplify b into b
2.839 * [backup-simplify]: Simplify (* b b) into (pow b 2)
2.839 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
2.839 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
2.839 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
2.839 * [taylor]: Taking taylor expansion of (pow a 2) in a
2.839 * [taylor]: Taking taylor expansion of a in a
2.839 * [backup-simplify]: Simplify 0 into 0
2.839 * [backup-simplify]: Simplify 1 into 1
2.839 * [backup-simplify]: Simplify (* 1 1) into 1
2.840 * [backup-simplify]: Simplify (/ 1 1) into 1
2.840 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
2.840 * [taylor]: Taking taylor expansion of (pow b 2) in a
2.840 * [taylor]: Taking taylor expansion of b in a
2.840 * [backup-simplify]: Simplify b into b
2.840 * [backup-simplify]: Simplify (* b b) into (pow b 2)
2.840 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
2.840 * [backup-simplify]: Simplify (+ 1 0) into 1
2.840 * [taylor]: Taking taylor expansion of 1 in b
2.840 * [backup-simplify]: Simplify 1 into 1
2.841 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.841 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.841 * [backup-simplify]: Simplify (+ 0 0) into 0
2.841 * [taylor]: Taking taylor expansion of 0 in b
2.841 * [backup-simplify]: Simplify 0 into 0
2.842 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.842 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.842 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
2.843 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
2.843 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
2.843 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
2.843 * [taylor]: Taking taylor expansion of (pow b 2) in b
2.843 * [taylor]: Taking taylor expansion of b in b
2.843 * [backup-simplify]: Simplify 0 into 0
2.843 * [backup-simplify]: Simplify 1 into 1
2.843 * [backup-simplify]: Simplify (* 1 1) into 1
2.843 * [backup-simplify]: Simplify (/ 1 1) into 1
2.843 * [backup-simplify]: Simplify (- 1) into -1
2.843 * [backup-simplify]: Simplify -1 into -1
2.843 * [backup-simplify]: Simplify 1 into 1
2.844 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.845 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.845 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
2.845 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
2.845 * [backup-simplify]: Simplify (- 0) into 0
2.845 * [backup-simplify]: Simplify (+ 0 0) into 0
2.845 * [taylor]: Taking taylor expansion of 0 in b
2.845 * [backup-simplify]: Simplify 0 into 0
2.846 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.846 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.847 * [backup-simplify]: Simplify (- 0) into 0
2.847 * [backup-simplify]: Simplify 0 into 0
2.847 * [backup-simplify]: Simplify 0 into 0
2.847 * [backup-simplify]: Simplify 0 into 0
2.847 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.848 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.848 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
2.849 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
2.849 * [backup-simplify]: Simplify (- 0) into 0
2.849 * [backup-simplify]: Simplify (+ 0 0) into 0
2.849 * [taylor]: Taking taylor expansion of 0 in b
2.849 * [backup-simplify]: Simplify 0 into 0
2.850 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.851 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.852 * [backup-simplify]: Simplify (- 0) into 0
2.852 * [backup-simplify]: Simplify 0 into 0
2.852 * [backup-simplify]: Simplify 0 into 0
2.852 * [backup-simplify]: Simplify 0 into 0
2.852 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
2.852 * * * [progress]: simplifying candidates
2.853 * [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))
2.854 * * [simplify]: iteration 0: 33 enodes
2.862 * * [simplify]: iteration 1: 111 enodes
2.909 * * [simplify]: iteration 2: 589 enodes
3.184 * * [simplify]: iteration complete: 5000 enodes
3.184 * * [simplify]: Extracting #0: cost 14 inf + 0
3.186 * * [simplify]: Extracting #1: cost 378 inf + 0
3.200 * * [simplify]: Extracting #2: cost 1741 inf + 8767
3.225 * * [simplify]: Extracting #3: cost 1092 inf + 138850
3.286 * * [simplify]: Extracting #4: cost 185 inf + 251345
3.354 * * [simplify]: Extracting #5: cost 22 inf + 291030
3.423 * * [simplify]: Extracting #6: cost 0 inf + 297799
3.474 * [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))
3.474 * * * [progress]: adding candidates to table
3.537 * * [progress]: iteration 2 / 4
3.537 * * * [progress]: picking best candidate
3.542 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
3.542 * * * [progress]: localizing error
3.554 * * * [progress]: generating rewritten candidates
3.554 * * * [progress]: generating series expansions
3.554 * * * [progress]: simplifying candidates
3.554 * [simplify]: Simplifying:
  
3.554 * * [simplify]: iteration 0: 0 enodes
3.554 * * [simplify]: iteration complete: 0 enodes
3.554 * * [simplify]: Extracting #0: cost 0 inf + 0
3.554 * [simplify]: Simplified to:
  
3.554 * * * [progress]: adding candidates to table
3.555 * [progress]: [Phase 3 of 3] Extracting.
3.560 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
3.561 * * [simplify]: iteration 0: 5 enodes
3.561 * * [simplify]: iteration 1: 7 enodes
3.562 * * [simplify]: iteration complete: 7 enodes
3.562 * * [simplify]: Extracting #0: cost 1 inf + 0
3.562 * * [simplify]: Extracting #1: cost 3 inf + 0
3.562 * * [simplify]: Extracting #2: cost 5 inf + 0
3.562 * * [simplify]: Extracting #3: cost 3 inf + 2
3.562 * * [simplify]: Extracting #4: cost 0 inf + 208
3.562 * [simplify]: Simplified to:
  (* (+ b a) (- a b))
4.798 * [regime-testing]: Baseline error score: 0.0008751093886735842
4.807 * [regime-testing]: Oracle error score: 0.0008751093886735842
4.808 * [regime-testing]: End program error score: 0.0008751093886735842
4.944 * [regime-testing]: Target error score: 0.0008751093886735842