$date
   Mon Mar 16 2026
$end
$version
   VCD Test File
$end
$timescale
   1ps
$end
$scope module top $end
$var wire 1 ! A $end
$var wire 1 " Y $end
$upscope $end
$enddefinitions $end
#0
$dumpvars
0!
1"
$end
#50
1!
0"
#100
0!
1"
#150