Invention Grant
US08910099B1 Method for debugging unreachable design targets detected by formal verification
有权
通过正式验证检测到的不可达设计目标的调试方法
- Patent Title: Method for debugging unreachable design targets detected by formal verification
- Patent Title (中): 通过正式验证检测到的不可达设计目标的调试方法
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Application No.: US14197887Application Date: 2014-03-05
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Publication No.: US08910099B1Publication Date: 2014-12-09
- Inventor: Pradeep Goyal , Alok Jain
- Applicant: Cadence Design Systems, Inc.
- Applicant Address: US CA San Jose
- Assignee: Cadence Design Systems, Inc.
- Current Assignee: Cadence Design Systems, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Holland & Knight LLP
- Agent Mark H. Whittenberger, Esq.
- Main IPC: G06F17/50
- IPC: G06F17/50

Abstract:
The present disclosure relates to a method for debugging in the formal verification of an integrated circuit design. The method may include providing, via a computing device, an electronic design associated with the integrated circuit. Embodiments may further include splitting one or more nets in a cone of influence of a target associated with the electronic design. For each split net, embodiments may include placing a constraint that re-joins the net. Embodiments may also include identifying a local region of the electronic design for which the target is unreachable. During formal verification, embodiments may include ignoring all constraints associated with the local region of the electronic design.
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