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

\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 r38480 = 333.75;
        double r38481 = 33096.0;
        double r38482 = 6.0;
        double r38483 = pow(r38481, r38482);
        double r38484 = r38480 * r38483;
        double r38485 = 77617.0;
        double r38486 = r38485 * r38485;
        double r38487 = 11.0;
        double r38488 = r38487 * r38486;
        double r38489 = r38481 * r38481;
        double r38490 = r38488 * r38489;
        double r38491 = -r38483;
        double r38492 = r38490 + r38491;
        double r38493 = -121.0;
        double r38494 = 4.0;
        double r38495 = pow(r38481, r38494);
        double r38496 = r38493 * r38495;
        double r38497 = r38492 + r38496;
        double r38498 = -2.0;
        double r38499 = r38497 + r38498;
        double r38500 = r38486 * r38499;
        double r38501 = r38484 + r38500;
        double r38502 = 5.5;
        double r38503 = 8.0;
        double r38504 = pow(r38481, r38503);
        double r38505 = r38502 * r38504;
        double r38506 = r38501 + r38505;
        double r38507 = 2.0;
        double r38508 = r38507 * r38481;
        double r38509 = r38485 / r38508;
        double r38510 = r38506 + r38509;
        return r38510;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019199 +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/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