Function z3_sys::Z3_fixedpoint_get_reason_unknown

pub unsafe extern "C" fn Z3_fixedpoint_get_reason_unknown(
    c: Z3_context, 
    d: Z3_fixedpoint
) -> Z3_string

Retrieve a string that describes the last status returned by Z3_fixedpoint_query.

Use this method when Z3_fixedpoint_query returns Z3_L_UNDEF.