@Test
	public void branchInstr_testInvalidTargetRef() { //Checks instr. not created with invalid memory ref.
		try {
			instr = new BranchInstr(Opcode.BRE, 102, 9);
		}
		catch (IllegalStateException e) {
			System.out.println(e.getMessage());
		}
		assertNull(instr);
	}