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/* run.config*
EXIT: 1
STDOPT:
*/
// In this file, each write raises an error: writing non-ghost memory location
// from ghost code, except if a comment says the opposite.
struct Type {
int field ;
} ;
void direct(void){
int ng ;
/*@ ghost ng = 42 ; */
}
void ptr_access(void){
int ng ;
//@ ghost int * ptr = &ng ;
//@ ghost *ptr = 42 ;
}
void in_struct(void){
struct Type ng_var ;
//@ ghost ng_var.field = 42 ;
}
void nesting(void){
/*@ ghost
int * * ptrp ;
int * \ghost * ptrpg ;
int * arrp[10] ;
int (* ptra)[10] ;
*/
/*@ ghost
*ptrp = (void *) 0 ;
**ptrp = 1 ;
**ptrpg = 1 ;
*arrp[0] = 1 ;
(*ptra)[0] = 1 ;
*/
}
/*@ ghost
/@ assigns *a ; @/
void decl_invalid_a(int * a) ;
void decl_invalid_no_assigns (void);
*/
/*@ ghost
void def_invalid_a(int * a){
*a = 42 ;
decl_invalid_a(a); // should not raise an error as the problem is in `decl_invalid_a`
}
*/
void assigns_clause(void){
int p ;
/*@ ghost
/@ loop assigns p, i ; @/
for(int i = 0; i < 10; i++);
*/
}
/*@ ghost
/@ assigns *p ; @/
void g_decl_star(int *p);
/@ assigns *p ; @/
void g_def_star(int *p){
}
*/
void assigns_loop_star(){
//@ ghost int *p ;
/*@ ghost
/@ loop assigns *p, i ; @/
for(int i = 0; i < 10; i++);
*/
}
/*@ ghost
/@ assigns p[ 0 .. max ] ; @/
void g_decl_set(int *p, int max);
/@ assigns p[ 0 .. max ] ; @/
void g_def_set(int *p, int max){
}
*/
void assigns_loop_set(){
//@ ghost int *p ;
int max = 10 ; // this is valid
/*@ ghost
/@ loop assigns p[ 0 .. max ], i ; @/
for(int i = 0; i < 10; i++);
*/
}
/*@ assigns *a ; */
void assigns_parameter(int* a);
void no_assign_specification(int* a);
/*@ assigns *a ; */
int int_assigns_parameter(int* a);
int int_no_assign_specification(int* a);
void def_no_assign_spec(void){
}
int int_def_no_assign_spec(void){
return 42;
}
void calls(void){
int ng ;
/*@ ghost
assigns_parameter(&ng);
no_assign_specification(&ng);
def_no_assign_spec();
*/
/*@ ghost
int x1 = int_assigns_parameter(&ng);
int x2 = int_no_assign_specification(&ng);
int x3 = int_def_no_assign_spec();
*/
}
/*@ assigns \nothing ; */
void assigns_nothing(int* a);
/*@ assigns \nothing ; */
int int_assigns_nothing(int* a);
/*@ assigns *a ; */
void assigns_parameter(int* a);
/*@ assigns *a ; */
int int_assigns_parameter(int* a);
void ghost_calls_to_non_ghost_functions(){
int ng ;
//@ ghost int g ;
/*@ ghost
assigns_nothing(&ng);
assigns_nothing(&g);
assigns_parameter(&g);
*/
/*@ ghost
int x1 = int_assigns_nothing(&ng);
int x2 = int_assigns_nothing(&g);
int x3 = int_assigns_parameter(&g);
*/
}
|
