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

\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 r8267 = 333.75;
        double r8268 = 33096.0;
        double r8269 = 6.0;
        double r8270 = pow(r8268, r8269);
        double r8271 = r8267 * r8270;
        double r8272 = 77617.0;
        double r8273 = r8272 * r8272;
        double r8274 = 11.0;
        double r8275 = r8274 * r8273;
        double r8276 = r8268 * r8268;
        double r8277 = r8275 * r8276;
        double r8278 = -r8270;
        double r8279 = r8277 + r8278;
        double r8280 = -121.0;
        double r8281 = 4.0;
        double r8282 = pow(r8268, r8281);
        double r8283 = r8280 * r8282;
        double r8284 = r8279 + r8283;
        double r8285 = -2.0;
        double r8286 = r8284 + r8285;
        double r8287 = r8273 * r8286;
        double r8288 = r8271 + r8287;
        double r8289 = 5.5;
        double r8290 = 8.0;
        double r8291 = pow(r8268, r8290);
        double r8292 = r8289 * r8291;
        double r8293 = r8288 + r8292;
        double r8294 = 2.0;
        double r8295 = r8294 * r8268;
        double r8296 = r8272 / r8295;
        double r8297 = r8293 + r8296;
        return r8297;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019179 +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

result arity mismatch; expected number of values not received expected: 2 received: 1 in: local-binding form values...: 0		L	C
loop	/data/pavpan/nightlies/herbie/various-cleanup/src/core/extraction.rkt	25	2
(unnamed)	/data/pavpan/nightlies/herbie/various-cleanup/src/core/simplify.rkt	26	0
simplify!	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	217	0
run-improve43	/data/pavpan/nightlies/herbie/various-cleanup/src/mainloop.rkt	339	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