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

\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 r24958 = 333.75;
        double r24959 = 33096.0;
        double r24960 = 6.0;
        double r24961 = pow(r24959, r24960);
        double r24962 = r24958 * r24961;
        double r24963 = 77617.0;
        double r24964 = r24963 * r24963;
        double r24965 = 11.0;
        double r24966 = r24965 * r24964;
        double r24967 = r24959 * r24959;
        double r24968 = r24966 * r24967;
        double r24969 = -r24961;
        double r24970 = r24968 + r24969;
        double r24971 = -121.0;
        double r24972 = 4.0;
        double r24973 = pow(r24959, r24972);
        double r24974 = r24971 * r24973;
        double r24975 = r24970 + r24974;
        double r24976 = -2.0;
        double r24977 = r24975 + r24976;
        double r24978 = r24964 * r24977;
        double r24979 = r24962 + r24978;
        double r24980 = 5.5;
        double r24981 = 8.0;
        double r24982 = pow(r24959, r24981);
        double r24983 = r24980 * r24982;
        double r24984 = r24979 + r24983;
        double r24985 = 2.0;
        double r24986 = r24985 * r24959;
        double r24987 = r24963 / r24986;
        double r24988 = r24984 + r24987;
        return r24988;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019196 +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-7.0/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