Why a statement can fire twice

Hi Guys,

I have SSIS package 1.truncate tbl1 

                                 2.load Tbl1

3.truncate tbl2

                                4.Load tbl2

then exit

but when package execution got completed i cant able to see the data in first table,I ran sql server profiler to see what is actually db,

I found and gone crazy ,1 step is fired at first then it also firing with 3 step and all those are connected and execution squentially

Can any one face the same before

Thanks in advance

ADKR