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

\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 r8133 = 333.75;
        double r8134 = 33096.0;
        double r8135 = 6.0;
        double r8136 = pow(r8134, r8135);
        double r8137 = r8133 * r8136;
        double r8138 = 77617.0;
        double r8139 = r8138 * r8138;
        double r8140 = 11.0;
        double r8141 = r8140 * r8139;
        double r8142 = r8134 * r8134;
        double r8143 = r8141 * r8142;
        double r8144 = -r8136;
        double r8145 = r8143 + r8144;
        double r8146 = -121.0;
        double r8147 = 4.0;
        double r8148 = pow(r8134, r8147);
        double r8149 = r8146 * r8148;
        double r8150 = r8145 + r8149;
        double r8151 = -2.0;
        double r8152 = r8150 + r8151;
        double r8153 = r8139 * r8152;
        double r8154 = r8137 + r8153;
        double r8155 = 5.5;
        double r8156 = 8.0;
        double r8157 = pow(r8134, r8156);
        double r8158 = r8155 * r8157;
        double r8159 = r8154 + r8158;
        double r8160 = 2.0;
        double r8161 = r8160 * r8134;
        double r8162 = r8138 / r8161;
        double r8163 = r8159 + r8162;
        return r8163;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019194 
(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/various-cleanup/src/points.rkt	122	4
prepare-points	/data/pavpan/nightlies/herbie/various-cleanup/src/points.rkt	146	0
run-improve47	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	342	0
(unnamed)	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	261	28
run	/opt/racket-7.0/share/pkgs/profile-lib/main.rkt	39	2
profile-thunk16	/opt/racket-7.0/share/pkgs/profile-lib/main.rkt	9	0
(unnamed)	/opt/racket-7.0/collects/racket/private/more-scheme.rkt	261	28