Java Doc for ComputeSpecification.java in  » Testing » KeY » de » uka » ilkd » key » cspec » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » KeY » de.uka.ilkd.key.cspec   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    de.uka.ilkd.key.cspec.ComputeSpecification ComputeSpecification public class ComputeSpecification (Code) This class is the central facade for computing the specification of a program. It contains algorithms for and controls the computation of specifications. Internals Usually, the method de.uka.ilkd.key.casetool.FunctionalityOnModel.computeSpecification(ReprModelMethod) is triggered by the user interface, and will start the specification construction process and thereby invoke de.uka.ilkd.key.proof.init.ComputeSpecificationPO to construct the specification computation proof obligation. Finally, the whole system relies on the functionality of this class to ComputeSpecification.createSpecificationComputationTerm(JavaBlock,Namespace) construct thespecification computation obligation initially, and ComputeSpecification.computeSpecification(Proof) excerpt thespecification at the end of the proof attempt. author:    André Platzer version:    0.1, 2003-01-28 See Also:   de.uka.ilkd.key.gui.ComputeSpecificationView See Also:   de.uka.ilkd.key.casetool.FunctionalityOnModel.computeSpecification(ReprModelMethod) Field Summary final public static  int POSTSTATE_REMEMBER_EQUATIONS      Use explicit poststate remember equations (x1=x1@post & ...& xn=xn@post). final public static  int POSTSTATE_REMEMBER_STATE_CHANGE_ACCUMULATION      Use state change accumulatorr ^true alias scripted C for remembering the poststate. final public static  int PRESTATE_REMEMBER_EQUATIONS      Use explicit prestate remembrance equations. final public static  int PRESTATE_REMEMBER_IMPLICIT      Only remember prestate, implicitly. final public static  int PRESTATE_REMEMBER_UPDATES      Use updates for prestate remembrance. Constructor Summary public   ComputeSpecification()      Method Summary public  Term computeSpecification(KeYMediator mediatorContainingProof)      Extracts the specification of a program from a failed attempt to prove its correctness. public  Term computeSpecification(Proof proof)      Extracts the specification of a program from a failed attempt to prove its correctness. public static  Term createSpecificationComputationTerm(JavaBlock program, Namespace programVariables)      Creates the term to analyse for computing the specification of a program. final public static  int getPoststateRemember()      final public static  int getPrestateRemember()      final public static  void setPoststateRemember(int poststateRememberMode)      Which variant to use for remembering the poststate of the program invocation. final public static  void setPrestateRemember(int prestateRememberMode)      Which variant to use for remembering the prestate of the program invocation. Field Detail POSTSTATE_REMEMBER_EQUATIONS final public static int POSTSTATE_REMEMBER_EQUATIONS(Code) Use explicit poststate remember equations (x1=x1@post & ...& xn=xn@post). Requires knowledge of the modifies list. POSTSTATE_REMEMBER_STATE_CHANGE_ACCUMULATION final public static int POSTSTATE_REMEMBER_STATE_CHANGE_ACCUMULATION(Code) Use state change accumulatorr ^true alias scripted C for remembering the poststate. Does not require knowledge of the modifies list. false for explicit poststate remember terms (x1=x1@post & ...& xn=xn@post) which requires knowledge of the modifies list. PRESTATE_REMEMBER_EQUATIONS final public static int PRESTATE_REMEMBER_EQUATIONS(Code) Use explicit prestate remembrance equations. Thus use proof obligations like x=xpre ← <program> (xpost=x). PRESTATE_REMEMBER_IMPLICIT final public static int PRESTATE_REMEMBER_IMPLICIT(Code) Only remember prestate, implicitly. Thus use proof obligations like <program> (xpost=x). PRESTATE_REMEMBER_UPDATES final public static int PRESTATE_REMEMBER_UPDATES(Code) Use updates for prestate remembrance. Thus use proof obligations like {x:=xpre} <program> (xpost=x). Constructor Detail ComputeSpecification public ComputeSpecification()(Code) Method Detail computeSpecification public Term computeSpecification(KeYMediator mediatorContainingProof)(Code) Extracts the specification of a program from a failed attempt to prove its correctness. Will continue the proof automatically as far as possible. Parameters:   mediatorContainingProof - The mediator containingthe specification computation proof as selected proof.Its proof obligation usually stems fromComputeSpecification.createSpecificationComputationTerm(JavaBlock,Namespace). computeSpecification public Term computeSpecification(Proof proof)(Code) Extracts the specification of a program from a failed attempt to prove its correctness. Parameters:   proof - The specification computation proof driven as far as possible.Its proof obligation usually stems fromComputeSpecification.createSpecificationComputationTerm(JavaBlock,Namespace). createSpecificationComputationTerm public static Term createSpecificationComputationTerm(JavaBlock program, Namespace programVariables)(Code) Creates the term to analyse for computing the specification of a program. Feeding this term into a proof passed to ComputeSpecification.computeSpecification(KeYMediator) , or ComputeSpecification.computeSpecification(Proof) will result in the specification. Parameters:   program - the program of which to compute a specification. Parameters:   programVariables - the variables that program possibly modifies. the term required for constructing the specification. getPoststateRemember final public static int getPoststateRemember()(Code) getPrestateRemember final public static int getPrestateRemember()(Code) setPoststateRemember final public static void setPoststateRemember(int poststateRememberMode)(Code) Which variant to use for remembering the poststate of the program invocation. See Also:   ComputeSpecification.POSTSTATE_REMEMBER_EQUATIONS See Also:   ComputeSpecification.POSTSTATE_REMEMBER_STATE_CHANGE_ACCUMULATION setPrestateRemember final public static void setPrestateRemember(int prestateRememberMode)(Code) Which variant to use for remembering the prestate of the program invocation. See Also:   ComputeSpecification.PRESTATE_REMEMBER_EQUATIONS See Also:   ComputeSpecification.PRESTATE_REMEMBER_UPDATES See Also:   ComputeSpecification.PRESTATE_REMEMBER_IMPLICIT Methods inherited from java.lang.Object protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object o)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) final public void notify() throws IllegalMonitorStateException(Code)(Java Doc) final public void notifyAll() throws IllegalMonitorStateException(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void wait() throws IllegalMonitorStateException, InterruptedException(Code)(Java Doc) final public void wait(long ms) throws IllegalMonitorStateException, InterruptedException(Code)(Java Doc) final public void wait(long ms, int ns) throws IllegalMonitorStateException, InterruptedException(Code)(Java Doc)