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    • 1. 发明申请
    • Method and apparatus for verifying specification, and computer product
    • 用于验证规格的方法和装置以及计算机产品
    • US20060265676A1
    • 2006-11-23
    • US11214848
    • 2005-08-31
    • Qiang ZhuRyosuke OishiTsuneo Nakata
    • Qiang ZhuRyosuke OishiTsuneo Nakata
    • G06F17/50G06F9/44
    • G06F8/10G06Q20/4012
    • An apparatus for verifying a specification includes a use-case extracting unit, a first setting unit, an operation extracting unit, a second setting unit, and a determining unit. The use-case extracting unit extracts an unprocessed use case from specification data. The first setting unit sets a condition based on a precondition, a postcondition, and an invariant condition for the use case. The operation extracting unit selects an event flow of an unprocessed path from the specification data and extracts an unprocessed operation (description) from the event flow selected. The second setting unit sets a precondition and a postcondition for the operation based on the extracted operation (description). The determining unit determines whether the invariant condition is valid.
    • 用于验证规范的装置包括用例提取单元,第一设置单元,操作提取单元,第二设置单元和确定单元。 用例提取单元从规范数据中提取未处理的用例。 第一设置单元基于用例的前提条件,后置条件和不变条件设置条件。 操作提取单元从指定数据中选择未处理路径的事件流,并从所选择的事件流中提取未处理的操作(描述)。 第二设定单元基于提取的操作(描述)设置操作的前提条件和后置条件。 确定单元确定不变条件是否有效。
    • 2. 发明授权
    • Method and apparatus for verifying specification, and computer product
    • 用于验证规格的方法和装置以及计算机产品
    • US07937680B2
    • 2011-05-03
    • US11214848
    • 2005-08-31
    • Qiang ZhuRyosuke OishiTsuneo NakataTakashi Hasegawa
    • Qiang ZhuRyosuke OishiTsuneo NakataTakashi Hasegawa
    • G06F17/50G06F21/00G06Q20/00
    • G06F8/10G06Q20/4012
    • An apparatus for verifying a specification includes a use-case extracting unit, a first setting unit, an operation extracting unit, a second setting unit, and a determining unit. The use-case extracting unit extracts an unprocessed use case from specification data. The first setting unit sets a condition based on a precondition, a postcondition, and an invariant condition for the use case. The operation extracting unit selects an event flow of an unprocessed path from the specification data and extracts an unprocessed operation (description) from the event flow selected. The second setting unit sets a precondition and a postcondition for the operation based on the extracted operation (description). The determining unit determines whether the invariant condition is valid.
    • 用于验证规范的装置包括用例提取单元,第一设置单元,操作提取单元,第二设置单元和确定单元。 用例提取单元从规范数据中提取未处理的用例。 第一设置单元基于用例的前提条件,后置条件和不变条件设置条件。 操作提取单元从指定数据中选择未处理路径的事件流,并从所选择的事件流中提取未处理的操作(描述)。 第二设定单元基于提取的操作(描述)设置操作的前提条件和后置条件。 确定单元确定不变条件是否有效。
    • 3. 发明申请
    • VERIFICATION SUPPORT APPARATUS, VERIFICATION SUPPORT METHOD, AND COMPUTER PRODUCT
    • 验证支持设备,验证支持方法和计算机产品
    • US20090326906A1
    • 2009-12-31
    • US12372816
    • 2009-02-18
    • Akio MATSUDARyosuke OishiQiang Zhu
    • Akio MATSUDARyosuke OishiQiang Zhu
    • G06F9/44
    • G06F11/3608
    • A computer-readable recording medium stores therein a verification support program that causes a computer to execute selecting arbitrarily a use case from a use case diagram for a verification target; extracting a precondition and a postcondition of the use case selected at the selecting; and converting, to a Kripke model, a finite state machine model corresponding to the use case selected at the selecting. The verification support program further causes the computer to execute specifying, based on the precondition and the postcondition extracted at the extracting, a Kripke initial state, a Kripke precondition, and a Kripke postcondition of the Kripke model obtained at the converting; and generating, based on the Kripke precondition and the Kripke postcondition specified at the specifying, a Kripke property of the use case selected at the selecting.
    • 计算机可读记录介质中存储有一个验证支持程序,该程序使计算机从用于验证目标的用例图中任意选择使用案例; 提取在选择中选择的用例的前提条件和后置条件; 并将Kripke模型转换成与选择时选择的用例对应的有限状态机模型。 验证支持程序进一步使计算机根据在提取时提取的前提条件和后置条件执行指定,该转换时获得的Kripke模型的Kripke初始状态,Kripke前提条件和Kripke后置条件; 并根据指定的Kripke前提条件和Kripke后置条件生成在选择中选择的用例的Kripke属性。
    • 8. 发明授权
    • Verification support apparatus, verification support method, and computer product
    • 验证支持设备,验证支持方法和计算机产品
    • US08060848B2
    • 2011-11-15
    • US12495408
    • 2009-06-30
    • Akio MatsudaRyosuke Oishi
    • Akio MatsudaRyosuke Oishi
    • G06F17/50G06F9/455G06F9/44
    • G06F17/5031
    • A computer-readable recording medium stores therein a verification support program that causes a computer to execute receiving a hardware description of a sequential circuit to be verified and a timing specification that indicates a timing constraint in the hardware description; converting the hardware description into a control flow graph that expresses a flow of control in the sequential circuit; indentifying, from the control flow graph and as a combination of conditional branch descriptions having a hierarchical relation, conditional branch descriptions that are connected in parallel; extracting, from among identified combinations of conditional branch descriptions, a combination having a potential to satisfy specified conditions; creating a simulation program that, at a timing satisfying the timing specification, causes the conditional branch descriptions included in the extracted combination to satisfy the specified conditions; and outputting, as assertion information of the sequential circuit, the simulation program created at the creating.
    • 计算机可读记录介质中存储有使计算机执行接收待验证的顺序电路的硬件描述的验证支持程序和指示硬件描述中的时序约束的定时指定; 将硬件描述转换成表示顺序电路中的控制流程的控制流程图; 从控制流程图和作为具有分层关系的条件分支描述的组合来识别,并行连接的条件分支描述; 从所识别的条件分支描述的组合中提取具有满足指定条件的潜力的组合; 创建一个模拟程序,其在满足定时规范的定时使得提取的组合中包括的条件分支描述满足规定的条件; 作为顺序电路的断言信息输出在创建时创建的仿真程序。