/** An (fake) application with a bug occuring for some random values */
static int app(int argc, char *argv[])
{
int x = MC_random(0, 5);
int y = MC_random(0, 5);
if (MC_is_active()) {
MC_assert(x !=3 || y !=4);
}
if (x ==3 && y ==4) {
fprintf(stderr, "Error reached\n");
}
return 0;
}
int main(int argc, char **argv) {
int recv_x = 1, size, rank;
MPI_Status status;
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &size); /* Get nr of tasks */
MPI_Comm_rank(MPI_COMM_WORLD, &rank); /* Get id of this process */
MC_ignore(&(status.count), sizeof(status.count));
if(rank==0){
while (recv_x>=0) {
MPI_Recv(&recv_x, 1, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
}
}else{
while (x >= 0) {
if (MC_random(0,1) == 0) {
x -= 1;
} else {
x += 1;
}
printf("x=%d\n", x);
MPI_Send(&x, 1, MPI_INT, 0, 42, MPI_COMM_WORLD);
}
}
MPI_Finalize();
return 0;
}
