These are the compilation errors that compiler indicates, on the bottom of the page we have the links to the problematic verilog files.
1) Error: /home/inf2008/soukas/Desktop/project/src/usb_test3.v:38: The symbol 'tb' is not defined. (VER-956)
2) Error: /home/inf2008/soukas/Desktop/project/src/usb_test2.v:2: The construct 'compilation unit scope' is not supported in this language. (VER-720)
3) Error: /home/inf2008/soukas/Desktop/project/src/usb_test2.v:28: The symbol 'tb' is not defined. (VER-956)
4) Error: /home/inf2008/soukas/Desktop/project/src/usb_test1.v:2: The construct 'compilation unit scope' is not supported in this language. (VER-720)
5) Error: /home/inf2008/soukas/Desktop/project/src/usb_test1.v:29: The symbol 'tb' is not defined. (VER-956)
6) Error: /home/inf2008/soukas/Desktop/project/src/usb_rx_phy.v:76: The construct 'compilation unit scope' is not supported in this language. (VER-720)
7) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:923: time declarations are not supported by synthesis. (VER-191)
8) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:924: time declarations are not supported by synthesis. (VER-191)
9) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:925: time declarations are not supported by synthesis. (VER-191)
10) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:954: case equality (===) is not supported by synthesis. (VER-189)
11) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:956: case equality (===) is not supported by synthesis. (VER-189)
12) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:979: case equality (===) is not supported by synthesis. (VER-189)
13) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:979: case equality (===) is not supported by synthesis. (VER-189)
14) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2686: case inequality (!==) is not supported by synthesis. (VER-190)
15) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2956: case inequality (!==) is not supported by synthesis. (VER-190)
16) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2956: case inequality (!==) is not supported by synthesis. (VER-190)
17) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2957: case inequality (!==) is not supported by synthesis. (VER-190)
18) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2957: case inequality (!==) is not supported by synthesis. (VER-190)
19) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2959: Syntax error at or near token '.'. (VER-294)
20) Error: /home/inf2008/soukas/Desktop/project/src/usb_agent.v:2988: case inequality (!==) is not supported by synthesis. (VER-190)
21) Error: Too many errors; can't continue. (VER-40)
##### LINKS FOR THE PROBLEMATIC VERILOG FILES #########
usb_test3.v : https://code.google.com/p/inf-uth-vlsi-group-1-spring2013/source/browse/usb2uart/trunk/verify/tests/usb_test3.v
usb_test2.v : https://code.google.com/p/inf-uth-vlsi-group-1-spring2013/source/browse/usb2uart/trunk/verify/tests/usb_test2.v
usb_test1.v : code.google.com/p/inf-uth-vlsi-group-1-spring2013/source/browse/usb2uart/trunk/verify/tests/usb_test1.v
usb_rx_phy.v : https://code.google.com/p/inf-uth-vlsi-group-1-spring2013/source/browse/usb2uart/trunk/rtl/usb1_phy/usb_rx_phy.v
usb_agent.v : https://code.google.com/p/inf-uth-vlsi-group-1-spring2013/source/browse/usb2uart/trunk/verify/agents/usb/usb_agent.v