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| 1 | #include<mem.cvh>
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| 2 |
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| 3 | $input int N;
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| 4 | $assume(2 <= N && N <= 6);
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| 5 |
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| 6 | typedef struct {
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| 7 | int x[10][10];
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| 8 | } A;
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| 9 |
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| 10 | int main() {
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| 11 | A a;
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| 12 | $mem m = &a.x[0 .. 9][0 .. 9];
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| 13 | $mem m2 = &a.x[N-1 .. N+3][N-2 .. N+2];
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| 14 | m = $mem_diff(m, m2);
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| 15 | $mem m3 = &a.x[0..N-2][0..9];
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| 16 | m3 = $mem_union(m3, &a.x[N+4..9][0..9]);
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| 17 | m3 = $mem_union(m3, &a.x[0..9][0..N-3]);
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| 18 | m3 = $mem_union(m3, &a.x[0..9][N+3..9]);
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| 19 | $assert($mem_contains(m, m3));
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| 20 | }
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