\[\left(\left(\left(\left(\left(x \cdot y - z \cdot t\right) \cdot \left(a \cdot b - c \cdot i\right) - \left(x \cdot j - z \cdot k\right) \cdot \left(y0 \cdot b - y1 \cdot i\right)\right) + \left(x \cdot y2 - z \cdot y3\right) \cdot \left(y0 \cdot c - y1 \cdot a\right)\right) + \left(t \cdot j - y \cdot k\right) \cdot \left(y4 \cdot b - y5 \cdot i\right)\right) - \left(t \cdot y2 - y \cdot y3\right) \cdot \left(y4 \cdot c - y5 \cdot a\right)\right) + \left(k \cdot y2 - j \cdot y3\right) \cdot \left(y4 \cdot y1 - y5 \cdot y0\right)\]
\left(\left(\left(\left(\left(x \cdot y - z \cdot t\right) \cdot \left(a \cdot b - c \cdot i\right) - \left(x \cdot j - z \cdot k\right) \cdot \left(y0 \cdot b - y1 \cdot i\right)\right) + \left(x \cdot y2 - z \cdot y3\right) \cdot \left(y0 \cdot c - y1 \cdot a\right)\right) + \left(t \cdot j - y \cdot k\right) \cdot \left(y4 \cdot b - y5 \cdot i\right)\right) - \left(t \cdot y2 - y \cdot y3\right) \cdot \left(y4 \cdot c - y5 \cdot a\right)\right) + \left(k \cdot y2 - j \cdot y3\right) \cdot \left(y4 \cdot y1 - y5 \cdot y0\right)
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k, double y0, double y1, double y2, double y3, double y4, double y5) {
	return ((double) (((double) (((double) (((double) (((double) (((double) (((double) (((double) (x * y)) - ((double) (z * t)))) * ((double) (((double) (a * b)) - ((double) (c * i)))))) - ((double) (((double) (((double) (x * j)) - ((double) (z * k)))) * ((double) (((double) (y0 * b)) - ((double) (y1 * i)))))))) + ((double) (((double) (((double) (x * y2)) - ((double) (z * y3)))) * ((double) (((double) (y0 * c)) - ((double) (y1 * a)))))))) + ((double) (((double) (((double) (t * j)) - ((double) (y * k)))) * ((double) (((double) (y4 * b)) - ((double) (y5 * i)))))))) - ((double) (((double) (((double) (t * y2)) - ((double) (y * y3)))) * ((double) (((double) (y4 * c)) - ((double) (y5 * a)))))))) + ((double) (((double) (((double) (k * y2)) - ((double) (j * y3)))) * ((double) (((double) (y4 * y1)) - ((double) (y5 * y0))))))));
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2020128 
(FPCore (x y z t a b c i j k y0 y1 y2 y3 y4 y5)
  :name "Linear.Matrix:det44 from linear-1.19.1.3"
  :precision binary64
  (+ (- (+ (+ (- (* (- (* x y) (* z t)) (- (* a b) (* c i))) (* (- (* x j) (* z k)) (- (* y0 b) (* y1 i)))) (* (- (* x y2) (* z y3)) (- (* y0 c) (* y1 a)))) (* (- (* t j) (* y k)) (- (* y4 b) (* y5 i)))) (* (- (* t y2) (* y y3)) (- (* y4 c) (* y5 a)))) (* (- (* k y2) (* j y3)) (- (* y4 y1) (* y5 y0)))))

Backtrace

random-bits: contract violation expected: Positive-Integer given: 0LC
random-ranges/data/pavpan/nightlies/herbie/separate-biginterval/src/common.rkt1390
sample-multi-bounded/data/pavpan/nightlies/herbie/separate-biginterval/src/points.rkt140
(unnamed)/data/pavpan/nightlies/herbie/separate-biginterval/src/points.rkt1276
prepare-points-intervals/data/pavpan/nightlies/herbie/separate-biginterval/src/points.rkt1340
pred/data/pavpan/nightlies/herbie/separate-biginterval/src/core/regimes.rkt2004
for-loop/data/pavpan/nightlies/herbie/separate-biginterval/src/core/regimes.rkt2309
sindices->spoints/data/pavpan/nightlies/herbie/separate-biginterval/src/core/regimes.rkt1900
f37unknown
get-final-combination/data/pavpan/nightlies/herbie/separate-biginterval/src/mainloop.rkt3900
.../more-scheme.rkt:261:28unknown
run/opt/racket-7.5/share/pkgs/profile-lib/main.rkt392
profile-thunk16/opt/racket-7.5/share/pkgs/profile-lib/main.rkt90
(unnamed)/opt/racket-7.5/collects/racket/private/more-scheme.rkt26128

Reproduce

herbie shell --seed 2020128 
(FPCore (x y z t a b c i j k y0 y1 y2 y3 y4 y5)
  :name "Linear.Matrix:det44 from linear-1.19.1.3"
  :precision binary64
  (+ (- (+ (+ (- (* (- (* x y) (* z t)) (- (* a b) (* c i))) (* (- (* x j) (* z k)) (- (* y0 b) (* y1 i)))) (* (- (* x y2) (* z y3)) (- (* y0 c) (* y1 a)))) (* (- (* t j) (* y k)) (- (* y4 b) (* y5 i)))) (* (- (* t y2) (* y y3)) (- (* y4 c) (* y5 a)))) (* (- (* k y2) (* j y3)) (- (* y4 y1) (* y5 y0)))))