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

\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 r31323 = 333.75;
        double r31324 = 33096.0;
        double r31325 = 6.0;
        double r31326 = pow(r31324, r31325);
        double r31327 = r31323 * r31326;
        double r31328 = 77617.0;
        double r31329 = r31328 * r31328;
        double r31330 = 11.0;
        double r31331 = r31330 * r31329;
        double r31332 = r31324 * r31324;
        double r31333 = r31331 * r31332;
        double r31334 = -r31326;
        double r31335 = r31333 + r31334;
        double r31336 = -121.0;
        double r31337 = 4.0;
        double r31338 = pow(r31324, r31337);
        double r31339 = r31336 * r31338;
        double r31340 = r31335 + r31339;
        double r31341 = -2.0;
        double r31342 = r31340 + r31341;
        double r31343 = r31329 * r31342;
        double r31344 = r31327 + r31343;
        double r31345 = 5.5;
        double r31346 = 8.0;
        double r31347 = pow(r31324, r31346);
        double r31348 = r31345 * r31347;
        double r31349 = r31344 + r31348;
        double r31350 = 2.0;
        double r31351 = r31350 * r31324;
        double r31352 = r31328 / r31351;
        double r31353 = r31349 + r31352;
        return r31353;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019195 +o rules:numerics
(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