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  3. i want to check these assume properties are correct

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i want to check these assume properties are correct

BharathECE
BharathECE over 11 years ago

Hi,

I wrote some of the assumptions in my fifo design and now  the assertion passing in my design.Before assemptions that assert property was failing.

 

assumptions are as below:

///Assumtion to check underflow: 

 assume_underflow :assume property(assume_property_underflow) $info("assumption holds"); else $error("Assumption failed underflow");

property assume_property_underflow;

  @(posedge clk)

  (!read && empty); /*$info("Assumption undeflow holds"); 

                                          else $error("Assertion underflow does not hold");*/

endproperty

///Assumtion to check overflow:

 assume_overflow :assume property(assume_property_overflow) else $error("Assumption failed overflow");

 

property assume_property_overflow;

  @(posedge clk)

  ((!write or !read) and full);  /*$info("Assumption overflow holds"); 

                                          else $error("Assumption overflow does not hold");*/

endproperty 

Please see these logics are correct? 

 

 

 

 

 

 

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