Purify Errors confirmed in RW 6.0.1 with test model: bug5002b-601.mdl
01-04-2011.  See also trace file.

After having deleted an Account from the Workspace (one which is in a Display
Group and has a Supply), Purify detects two errors upon exit:

[E] IPR: Invalid pointer read in Account::getSimObj(void)const {1 occurrence}
[E] IPR: Invalid pointer read in Account::getSimObj(void)const {1 occurrence}

These two errors are both due to calling into a deleted Account, while, 
respectively, deleting callbacks for an Account Group and a Supply Group.

... summaries and details follow.

=========================================================================

[E] IPR: Invalid pointer read in Account::getSimObj(void)const {1 occurrence}
 Reading 4 bytes from 0x1602304c (4 bytes at 0x1602304c illegal)
 Address 0x1602304c points into a committed region of virtual memory 
 Thread ID: 0x3b8

 ERROR LOCATION

 Account::getSimObj(void)const [c:\riverware\staff\philw\pwworkrel\accounting\account.hpp:808]
 CallbackReceiver::_helpAccountCallbacks(CallbackType,bool,RootSelection const*) [c:\riverware\staff\philw\pwworkrel\sim\callbackreceiver.cpp:452]
 CallbackReceiver::_removeAccountCallbacks(CallbackType,RootSelection const*) [c:\riverware\staff\philw\pwworkrel\sim\callbackreceiver.cpp:481]
 AccountGroup::_removeCallbacks(void) [c:\riverware\staff\philw\pwworkrel\sim\accountgroup.cpp:164]
 AccountGroup::~AccountGroup(void) [c:\riverware\staff\philw\pwworkrel\sim\accountgroup.cpp:169]
 AccountGroup::`scalar deleting destructor'(UINT) [C:\RiverWare\staff\philw\pwWorkRel\EngrObjs\Debug\riverware.exe]
 RootGroupMgr::clearGroups(void) [c:\riverware\staff\philw\pwworkrel\sim\rootgroupmgr.cpp:726]
 SimWorkspace::clear(bool) [c:\riverware\staff\philw\pwworkrel\sim\simws.cpp:571]
 exitOK         [c:\riverware\staff\philw\pwworkrel\gui\exitrwgui.cpp:106]
 exitRWCmdFunction(void) [c:\riverware\staff\philw\pwworkrel\gui\exitrwgui.cpp:179]

=========================================================================

[E] IPR: Invalid pointer read in Account::getSimObj(void)const {1 occurrence}
 Reading 4 bytes from 0x1602304c (4 bytes at 0x1602304c illegal)
 Address 0x1602304c points into a committed region of virtual memory 
 Thread ID: 0x3b8

 ERROR LOCATION

 Account::getSimObj(void)const [c:\riverware\staff\philw\pwworkrel\accounting\account.hpp:808]
 CallbackReceiver::_helpAccountCallbacks(CallbackType,bool,RootSelection const*) [c:\riverware\staff\philw\pwworkrel\sim\callbackreceiver.cpp:452]
 CallbackReceiver::_removeAccountCallbacks(CallbackType,RootSelection const*) [c:\riverware\staff\philw\pwworkrel\sim\callbackreceiver.cpp:481]
 SupplyGroup::_removeCallbacks(void) [c:\riverware\staff\philw\pwworkrel\sim\supplygroup.cpp:182]
 SupplyGroup::~SupplyGroup(void) [c:\riverware\staff\philw\pwworkrel\sim\supplygroup.cpp:191]
 SupplyGroup::`scalar deleting destructor'(UINT) [C:\RiverWare\staff\philw\pwWorkRel\EngrObjs\Debug\riverware.exe]
 RootGroupMgr::clearGroups(void) [c:\riverware\staff\philw\pwworkrel\sim\rootgroupmgr.cpp:750]
 SimWorkspace::clear(bool) [c:\riverware\staff\philw\pwworkrel\sim\simws.cpp:571]
 exitOK         [c:\riverware\staff\philw\pwworkrel\gui\exitrwgui.cpp:106]
 exitRWCmdFunction(void) [c:\riverware\staff\philw\pwworkrel\gui\exitrwgui.cpp:179]

=================================================

[E] IPR: Invalid pointer read in Account::getSimObj(void)const {1 occurrence}
    Reading 4 bytes from 0x1602304c (4 bytes at 0x1602304c illegal)
    Address 0x1602304c points into a committed region of virtual memory 
    Thread ID: 0x3b8

    ERROR LOCATION

Account::getSimObj(void)const [c:\riverware\staff\philw\pwworkrel\accounting\account.hpp:808]
    
    inline SimObj *Account::getSimObj() const
    {
 =>     return _simobj;
    }
    
    // set and return the account name

 --------------------------------

CallbackReceiver::_helpAccountCallbacks(CallbackType,bool,RootSelection const*) [c:\riverware\staff\philw\pwworkrel\sim\callbackreceiver.cpp:452]
    
                    // Put the SIMOBJ_ACCOUNT_DELETED callback on the
                    // containing simobj. But don't do any duplicates.
 =>                 SimObj *container = account->getSimObj();
    
                    std::cout << mname << " [#" << iterCnt << "]"
                          << " " << (add ? "ADD" : "DEL")

 --------------------------------

CallbackReceiver::_removeAccountCallbacks(CallbackType,RootSelection const*) [c:\riverware\staff\philw\pwworkrel\sim\callbackreceiver.cpp:481]
    void CallbackReceiver::_removeAccountCallbacks(CallbackType t,
        const RootSelection *slx)
    {
 =>     _helpAccountCallbacks(t, false, slx);
    }
    
    void CallbackReceiver::_helpSupplyCallbacks(CallbackType t,

 --------------------------------

AccountGroup::_removeCallbacks(void) [c:\riverware\staff\philw\pwworkrel\sim\accountgroup.cpp:164]
        recomputeSelections(false); // false-->don't update the callbacks as
                // that would put us into an infinite loop
        CallbackReceiver::_removeSimObjCallbacks(WS_OBJECT_REMOVED, selection1());
 =>     CallbackReceiver::_removeAccountCallbacks(SIMOBJ_ACCOUNT_DELETED, selection1());
    }
    
    AccountGroup::~AccountGroup()

 --------------------------------

AccountGroup::~AccountGroup(void) [c:\riverware\staff\philw\pwworkrel\sim\accountgroup.cpp:169]
    
    AccountGroup::~AccountGroup()
    {
 =>     _removeCallbacks();
    }
    
    const cwSlist<const Account *> & AccountGroup::resolve(bool force)
AccountGroup::`scalar deleting destructor'(UINT) [C:\RiverWare\staff\philw\pwWorkRel\EngrObjs\Debug\riverware.exe]

 --------------------------------

RootGroupMgr::clearGroups(void) [c:\riverware\staff\philw\pwworkrel\sim\rootgroupmgr.cpp:726]
                list.replace(it,NULL);
                g->unresolve();
                // delete the group.
 =>             delete g;
            }
            list.clear();
         }

 --------------------------------

SimWorkspace::clear(bool) [c:\riverware\staff\philw\pwworkrel\sim\simws.cpp:571]
        POST(WSID_MGMT)(WSID_MGMT, MSG_WS_CLEAR );
    
        callbackReceiverMgr.setClearingWS(true);
 =>     RootGroupMgr::Instance()->clearGroups();
    
        rwSystem->callCallbacks(WS_CLEARING);
    

 --------------------------------

exitOK [c:\riverware\staff\philw\pwworkrel\gui\exitrwgui.cpp:106]
    
      // EXITCRASH - BRIAN
    #if 1
 =>   rwWorkspace->clear();
    
      qApp->processEvents();
    #endif

 --------------------------------

exitRWCmdFunction(void) [c:\riverware\staff\philw\pwworkrel\gui\exitrwgui.cpp:179]
    
    void exitRWCmdFunction()
    {
 =>    exitOK();
    }
    
=========================================================================