Function z3_sys::Z3_optimize_get_reason_unknown

pub unsafe extern "C" fn Z3_optimize_get_reason_unknown(
    c: Z3_context, 
    d: Z3_optimize
) -> Z3_string

Retrieve a string that describes the last status returned by Z3_optimize_check.

Use this method when Z3_optimize_check returns Z3_L_UNDEF.