"design does not contain any logic" But it has NAND logic and test bench!

[Altera_Forum]

Hi, everyone! 

I have run into the problem that below for 3 days:   --- Quote Start ---   Error: Can't synthesize current design -- design does not contain any logic   --- Quote End ---   But the project included two files, one is testbench, and another is real source code. Why does such problem (that there are no logic) happen ? What setting or/and source code is wrong ? Please tell me what perhaps is! Thx!    --- Quote Start ---  module hogege;   reg sw1, sw2;   wire led;    nandtest nandtest1 (sw1, sw2, led);    initial   begin  sw1<= 0;  sw2 <= 0; # 5 sw2 <= 1;   end    always begin  # 10 sw1 <= ~sw1;   end   always begin  # 16 sw2 <= ~sw2;   end     initial $monitor($stime, " sw1=%b sw2=%b led=%b", sw1, sw2, led);   endmodule  --- Quote End ---      --- Quote Start ---   //verilog1.v `timescale 1ns / 1ps  module nandtest(input sw1, sw2, output led);    assign led = ~(sw1 & sw2); // I think this is logic circuit   endmodule   --- Quote End ---  

[Altera_Forum]

The testbench code is ignored by the Quartus compiler, because it doens't support timed statements (#<timeinterval>). As a result, no logic is synthesized. Use ModelSim Altera Edition with HDL testbenches or Vector Waveform Files with Quartus Simulator.

[Altera_Forum]

Thanks a lot! 

I could not know that from books...  Now, I boot Tool > Launch EDA Simulation Library Compiler ( because I can't make Vector wave form, Linux edition) My PC has ModelSim from altera, and set the location where modelsim installed. The dialog recognized(as ModelSim altera starter edition Oct 1 2009), and Set Library language as Verilog. Device family is Max II. But I just get such dialog any time....   --- Quote Start ---   The ModelSim-Altera software comes packaged with precompiled simulation libraries.  Do not compile simulation libraries if you are using the ModelSim-Altera software.  --- Quote End ---    What does it means? I just installed ModelSim, had not converted it at any.  Please tell me what should I do ? Help please!Thx!