src/mpi/parallelempi.cpp:650: error: NULL_DEREFERENCE
  pointer `mA` last assigned on line 649 could be null and is dereferenced at line 650, column 14.
Showing all 24 steps of the trace


src/mpi/parallelempi.cpp:645:3: start of procedure SendWMatd
643.     int state;
644.     int ldata[4];
645.     SendWMatd(const MPIrank *mpirank,Mat * pm)
         ^
646.       : DoOnWaitMPI_Request(*mpirank),
647.         pmat(pm),mA(0),state(0)

src/mpi/parallelempi.cpp:646:7: 
644.     int ldata[4];
645.     SendWMatd(const MPIrank *mpirank,Mat * pm)
646. >     : DoOnWaitMPI_Request(*mpirank),
647.         pmat(pm),mA(0),state(0)
648.     {

src/mpi/parallelempi.cpp:269:8: start of procedure MPIrank
  267.   
  268.   
  269.   struct MPIrank {
                ^
  270.     
  271.     int who; 

src/mpi/parallelempi.cpp:269:8: return from a call to MPIrank_MPIrank
  267.   
  268.   
  269.   struct MPIrank {
                ^
  270.     
  271.     int who; 

src/mpi/parallelempi.cpp:508:5: start of procedure DoOnWaitMPI_Request
  506.   public:
  507.       bool sync;
  508.       DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
             ^
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:508:42: 
  506.   public:
  507.       bool sync;
  508. >     DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:269:8: start of procedure MPIrank
    267.   
    268.   
    269.   struct MPIrank {
                  ^
    270.     
    271.     int who; 

src/mpi/parallelempi.cpp:269:8: return from a call to MPIrank_MPIrank
    267.   
    268.   
    269.   struct MPIrank {
                  ^
    270.     
    271.     int who; 

src/mpi/parallelempi.cpp:508:61: Condition is false
  506.   public:
  507.       bool sync;
  508.       DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
                                                                     ^
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:508:70: Condition is false
  506.   public:
  507.       bool sync;
  508.       DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
                                                                              ^
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:508:61: 
  506.   public:
  507.       bool sync;
  508. >     DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:508:55: 
  506.   public:
  507.       bool sync;
  508. >     DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:508:92: return from a call to DoOnWaitMPI_Request_DoOnWaitMPI_Request
  506.   public:
  507.       bool sync;
  508.       DoOnWaitMPI_Request( MPIrank  mpr) : MPIrank(mpr),sync((rq==0 || rq == Syncro_block)) {}
                                                                                                    ^
  509.       virtual  bool Do(MPI_Request *rrq) =0; // false -> end 
  510.       bool  DoSR() { // do the  Send/Recv Op. 

src/mpi/parallelempi.cpp:647:7: 
645.     SendWMatd(const MPIrank *mpirank,Mat * pm)
646.       : DoOnWaitMPI_Request(*mpirank),
647. >       pmat(pm),mA(0),state(0)
648.     {
649.       mA=pmat->A->toMatriceMorse();

src/mpi/parallelempi.cpp:647:16: 
645.     SendWMatd(const MPIrank *mpirank,Mat * pm)
646.       : DoOnWaitMPI_Request(*mpirank),
647. >       pmat(pm),mA(0),state(0)
648.     {
649.       mA=pmat->A->toMatriceMorse();

src/mpi/parallelempi.cpp:647:22: 
645.     SendWMatd(const MPIrank *mpirank,Mat * pm)
646.       : DoOnWaitMPI_Request(*mpirank),
647. >       pmat(pm),mA(0),state(0)
648.     {
649.       mA=pmat->A->toMatriceMorse();

src/mpi/parallelempi.cpp:649:5: 
647.         pmat(pm),mA(0),state(0)
648.     {
649. >     mA=pmat->A->toMatriceMorse();
650.       ldata[0]=mA->n;
651.       ldata[1]=mA->m;

src/femlib/RefCounter.hpp:96:3: start of procedure operator->
  94.    operator   T & () const  {return *c;}
  95.     T& operator*() const {return *c;}
  96.     T* operator->() const {return c;}
          ^
  97.    bool operator==(const  CountPointer & n) const {return  n.c ==c;}
  98.    bool operator!=(const  CountPointer & n) const {return  n.c !=c;}

src/femlib/RefCounter.hpp:96:26: 
  94.    operator   T & () const  {return *c;}
  95.     T& operator*() const {return *c;}
  96. >   T* operator->() const {return c;}
  97.    bool operator==(const  CountPointer & n) const {return  n.c ==c;}
  98.    bool operator!=(const  CountPointer & n) const {return  n.c !=c;}

src/femlib/RefCounter.hpp:96:35: return from a call to CountPointer<MatriceCreuse<double>>_operator->
  94.    operator   T & () const  {return *c;}
  95.     T& operator*() const {return *c;}
  96.     T* operator->() const {return c;}
                                          ^
  97.    bool operator==(const  CountPointer & n) const {return  n.c ==c;}
  98.    bool operator!=(const  CountPointer & n) const {return  n.c !=c;}

src/femlib/MatriceCreuse.hpp:397:3: start of procedure toMatriceMorse
  395.     virtual R * pij(int i,int j) const =0; // Add FH 
  396.     virtual  void  resize(int n,int m)  {AFAIRE("MatriceCreuse::resize");}  // a faire dans les classe derive ... // add march 2009  FH 
  397.     virtual MatriceMorse<R> *toMatriceMorse(bool transpose=false,bool copy=false) const {return 0;} // not 
           ^
  398.     virtual bool addMatTo(R coef,std::map< pair<int,int>, R> &mij,bool trans=false,int ii00=0,int jj00=0,bool cnj=false,double threshold=0.,const bool keepSym=false)=0;
  399.     // Add FH april 2005

src/femlib/MatriceCreuse.hpp:397:88: 
  395.     virtual R * pij(int i,int j) const =0; // Add FH 
  396.     virtual  void  resize(int n,int m)  {AFAIRE("MatriceCreuse::resize");}  // a faire dans les classe derive ... // add march 2009  FH 
  397. >   virtual MatriceMorse<R> *toMatriceMorse(bool transpose=false,bool copy=false) const {return 0;} // not 
  398.     virtual bool addMatTo(R coef,std::map< pair<int,int>, R> &mij,bool trans=false,int ii00=0,int jj00=0,bool cnj=false,double threshold=0.,const bool keepSym=false)=0;
  399.     // Add FH april 2005

src/femlib/MatriceCreuse.hpp:397:97: return from a call to MatriceCreuse<double>_toMatriceMorse
  395.     virtual R * pij(int i,int j) const =0; // Add FH 
  396.     virtual  void  resize(int n,int m)  {AFAIRE("MatriceCreuse::resize");}  // a faire dans les classe derive ... // add march 2009  FH 
  397.     virtual MatriceMorse<R> *toMatriceMorse(bool transpose=false,bool copy=false) const {return 0;} // not 
                                                                                                         ^
  398.     virtual bool addMatTo(R coef,std::map< pair<int,int>, R> &mij,bool trans=false,int ii00=0,int jj00=0,bool cnj=false,double threshold=0.,const bool keepSym=false)=0;
  399.     // Add FH april 2005

src/mpi/parallelempi.cpp:650:5: 
648.     {
649.       mA=pmat->A->toMatriceMorse();
650. >     ldata[0]=mA->n;
651.       ldata[1]=mA->m;
652.       ldata[2]=mA->nbcoef;