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| 1 | #include<mem.cvh>
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| 2 |
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| 3 | int test1() {
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| 4 | int x,y,z;
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| 5 | int p;
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| 6 |
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| 7 | x = 0, y = 0, z = 0;
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| 8 | $havoc(&p);
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| 9 | $read_set_push();
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| 10 |
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| 11 | p ? x : y;
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| 12 |
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| 13 | $mem m = $read_set_pop();
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| 14 |
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| 15 | $assert($mem_contains(m, &p));
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| 16 | $assert($mem_contains(m, &x) || $mem_contains(m, &y));
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| 17 | }
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| 18 |
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| 19 | int test2() {
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| 20 | int x,y,z;
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| 21 | int p;
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| 22 |
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| 23 | x = 0, y = 0, z = 0;
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| 24 | $havoc(&p);
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| 25 | $read_set_push();
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| 26 |
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| 27 | if (p)
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| 28 | x;
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| 29 | else
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| 30 | y;
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| 31 |
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| 32 | $mem m = $read_set_pop();
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| 33 |
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| 34 | $assert($mem_contains(m, &p));
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| 35 | $assert($mem_contains(m, &x) || $mem_contains(m, &y));
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| 36 | }
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| 37 |
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| 38 | int test3() {
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| 39 | int x,y,z;
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| 40 | int p;
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| 41 |
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| 42 | x = 0, y = 0, z = 0;
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| 43 | $havoc(&p);
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| 44 | $read_set_push();
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| 45 |
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| 46 | do {
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| 47 | x;
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| 48 | } while (p);
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| 49 | y;
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| 50 | $mem m = $read_set_pop();
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| 51 | $mem oracle = ($mem)&x;
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| 52 |
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| 53 | oracle = $mem_union(oracle, ($mem)&y);
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| 54 | oracle = $mem_union(oracle, ($mem)&p);
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| 55 | $assert($mem_equals(m, oracle));
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| 56 | }
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| 57 |
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| 58 | int test4() {
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| 59 | int x,y,z;
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| 60 | int p;
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| 61 |
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| 62 | x = 0, y = 0, z = 0;
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| 63 | $havoc(&p);
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| 64 | $read_set_push();
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| 65 |
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| 66 | switch(p) {
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| 67 | case 1:
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| 68 | x;
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| 69 | break;
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| 70 | case 2:
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| 71 | y;
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| 72 | break;
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| 73 | default:
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| 74 | z;
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| 75 | break;
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| 76 | }
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| 77 |
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| 78 | $mem m = $read_set_pop();
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| 79 |
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| 80 | $assert($mem_contains(m, &p));
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| 81 | $assert($mem_contains(m, &x) || $mem_contains(m, &y) ||
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| 82 | $mem_contains(m, &z));
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| 83 | }
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| 84 |
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| 85 | int main() {
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| 86 | test1();
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| 87 | test2();
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| 88 | test3();
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| 89 | }
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