Exception for Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, C

Math

\[\frac{x}{y \cdot 3}\]

C

double f(double x, double y) {
        double r56509 = x;
        double r56510 = y;
        double r56511 = 3.0;
        double r56512 = r56510 * r56511;
        double r56513 = r56509 / r56512;
        return r56513;
}

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2019315 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1, C"
  :precision binary64

  :herbie-target
  (/ (/ x y) 3)

  (/ x (* y 3)))

Backtrace

argmin: contract violation expected: (and/c list? (not/c empty?)) given: '() argument position: 2nd other arguments...: #<procedure:composed>		L	C
argmin	/opt/racket-7.2/collects/racket/list.rkt	765	0
infer-splitpoints	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/core/regimes.rkt	34	0
get-final-combination	/data/pavpan/nightlies/herbie/fix-interface-bugs/src/mainloop.rkt	370	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