Function read_abi_concrete_word_arg 

pub(crate) fn read_abi_concrete_word_arg(
    memory: &SymMemory,
    args_offset: usize,
    index: usize,
    reason: &'static str,
) -> Result<U256, SymbolicError>

Returns the read_abi_concrete_word_arg cheatcode runtime helper result.