You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.rs
    path of file: ./repos/kani/tests/ui/concrete-playback/slice-formula
    
    the code of the file until where you have to start completion: // Copyright Kani Contributors
// SPDX-License-Identifier: Apache-2.0 OR MIT

// kani
    
pub fn harness() {
    let _u8_1: u8 = kani::any();
    let u8_2: u16 = kani::any();
    let _u8_3: u32 = kani::any();
    let u8_4: u64 = kani::any();
    assert!(!(u8_2 == 101 && u8_4 == 102));
}