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/* run.config
OPT: -rte -warn-signed-overflow -print -rte-precond -journal-disable
*/
int global = 15;
typedef struct cell {
int val;
struct cell* next;
} cell;
typedef struct other {
cell c;
} other;
/*@ requires x > 0 ;
requires (int) (x + y) != 0 ;
*/
int f(int x, int y, float z) {
return x + y - (int) z;
}
/*@
predicate is_valid_int_range(int* p, int n) =
(0 <= n) && \valid_range(p,0,n-1) ;
*/
/*@ requires is_valid_int_range(p,i);
*/
int g(int* p, int i) {
if (i >= 1)
return p[i-1];
else return 0;
}
/*@ requires \valid(&p[1]+3) ;
*/
int h(int* p) {
return *(p+3);
}
/*@ requires \valid(p->next);
// requires \valid(&p->next);
// requires \valid(&p->val);
requires \valid(p);
*/
cell* set(cell* p, int v) {
p->val=v;
return p->next;
}
/*@ requires \valid(cIn.next);
requires global > 0;
*/
int next_val(cell cIn) {
return cIn.next->val;
}
typedef struct top {
int topv;
cell* next;
cell* pred;
} top;
/*@ requires \valid(ptop->next);
*/
cell* top_set(top* ptop, int v) {
return set(ptop->next, v);
}
/*@ requires \valid(tIn.next);
*/
int top_next(top tIn) {
return next_val(*tIn.next);
}
/*@
requires \valid(tab_top);
requires \valid(&tab_top);
requires \valid(tab_top[i]->next);
*/
cell* tabtop_set(top* tab_top[], int i, int v) {
return top_set(tab_top[i], v);
}
int main() {
int a=2,b=3;
cell c = { 20 , 0 };
cell* pc;
top T;
top tabT[2];
top* ptabT[3] = { &T, &T, &T };
top** pptop;
other ot = { c };
void* V;
int k = 1, l = 1;
int z= f(2,3,1.0), y = f(b-a,a,2.0);
int w;
int tab[4] = { 1, 2, 3, 4 };
int* r;
int** rr;
z = f(y,a+b,-0.0);
w = g(&z,1);
w = g(&tab[1],2);
w = g(&tab[k],l);
r = tab;
rr = &r;
w = g(r+2,0);
w = h(tab);
w = h(r);
w = h (*rr);
// w = h(&tab[1]);
// w = h(&tab[k]);
pc = &c;
c.next = &c;
set(pc,15);
set(&c,10);
set((cell*)(void*)&c,20);
V = &c;
set((cell*) V, 20);
next_val(c);
next_val(*pc);
next_val(*((cell*) V));
T.pred = &c;
T.next = &c;
tabT[0] = T;
tabT[1] = T;
set(T.pred,10);
set(tabT[1].next,20);
next_val(*T.next);
next_val(*tabT[0].pred);
set(ptabT[2]->pred,15);
set(tabT[1].pred,10);
next_val(*(ptabT[1]->next));
top_set(&T, 3);
top_set(&tabT[1],2);
top_set(ptabT[1],4);
top_set((void*) (c.next), 5);
top_next(T);
top_next(*ptabT[0]);
tabtop_set(ptabT, 2, 10);
pptop = (void*) ptabT;
tabtop_set(pptop,2,15);
tabtop_set((void*) ptabT, 1, 20);
tabtop_set((void*) pc->next, 1, 10);
return z;
}
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