\[\left(\left(333.75 \cdot {33096}^{6} + \left(77617 \cdot 77617\right) \cdot \left(\left(\left(\left(11 \cdot \left(77617 \cdot 77617\right)\right) \cdot \left(33096 \cdot 33096\right) + \left(-{33096}^{6}\right)\right) + -121 \cdot {33096}^{4}\right) + -2\right)\right) + 5.5 \cdot {33096}^{8}\right) + \frac{77617}{2 \cdot 33096}\]

\left(\left(333.75 \cdot {33096}^{6} + \left(77617 \cdot 77617\right) \cdot \left(\left(\left(\left(11 \cdot \left(77617 \cdot 77617\right)\right) \cdot \left(33096 \cdot 33096\right) + \left(-{33096}^{6}\right)\right) + -121 \cdot {33096}^{4}\right) + -2\right)\right) + 5.5 \cdot {33096}^{8}\right) + \frac{77617}{2 \cdot 33096}

double f() {
        double r30854 = 333.75;
        double r30855 = 33096.0;
        double r30856 = 6.0;
        double r30857 = pow(r30855, r30856);
        double r30858 = r30854 * r30857;
        double r30859 = 77617.0;
        double r30860 = r30859 * r30859;
        double r30861 = 11.0;
        double r30862 = r30861 * r30860;
        double r30863 = r30855 * r30855;
        double r30864 = r30862 * r30863;
        double r30865 = -r30857;
        double r30866 = r30864 + r30865;
        double r30867 = -121.0;
        double r30868 = 4.0;
        double r30869 = pow(r30855, r30868);
        double r30870 = r30867 * r30869;
        double r30871 = r30866 + r30870;
        double r30872 = -2.0;
        double r30873 = r30871 + r30872;
        double r30874 = r30860 * r30873;
        double r30875 = r30858 + r30874;
        double r30876 = 5.5;
        double r30877 = 8.0;
        double r30878 = pow(r30855, r30877);
        double r30879 = r30876 * r30878;
        double r30880 = r30875 + r30879;
        double r30881 = 2.0;
        double r30882 = r30881 * r30855;
        double r30883 = r30859 / r30882;
        double r30884 = r30880 + r30883;
        return r30884;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019198 
(FPCore ()
  :name "From Warwick Tucker's Validated Numerics"
  (+ (+ (+ (* 333.75 (pow 33096.0 6.0)) (* (* 77617.0 77617.0) (+ (+ (+ (* (* 11.0 (* 77617.0 77617.0)) (* 33096.0 33096.0)) (- (pow 33096.0 6.0))) (* -121.0 (pow 33096.0 4.0))) -2.0))) (* 5.5 (pow 33096.0 8.0))) (/ 77617.0 (* 2.0 33096.0))))

Backtrace

car: contract violation expected: pair? given: '()		L	C
loop	/data/pavpan/nightlies/herbie/master/src/points.rkt	122	4
prepare-points	/data/pavpan/nightlies/herbie/master/src/points.rkt	146	0
run-improve47	/data/pavpan/nightlies/herbie/master/src/mainloop.rkt	342	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.2/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.2/collects/racket/private/more-scheme.rkt	261	28