main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100644
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File size:
660 bytes
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| 1 | #pragma CIVL ACSL
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| 2 |
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| 3 | $input int N, M;
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| 4 | $assume(0 <= M && M < N);
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| 5 | $input int a[N];
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| 6 |
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| 7 | int main() {
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| 8 | int b[N];
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| 9 | int old = b[M];
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| 10 | /*@ loop invariant 0 <= i <= N;
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| 11 | @ loop invariant \forall int i1; 0 <= i1 < i ==>
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| 12 | @ ((i1 < M ==> b[i1] == 0) && (i1 > M ==> b[i1] == a[i1]));
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| 13 | @ loop assigns i, b[0 .. M-1], b[M+1 .. N-1];
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| 14 | @*/
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| 15 | for (int i = 0; i < N; i++) {
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| 16 | if (i < M) b[i] = 0;
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| 17 | else if (i > M) b[i] = a[i];
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| 18 | }
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| 19 | //$assert($forall (int i : 0 .. N-1) (i < M ? b[i] == 0 : (i > M ? b[i] == a[i] : $true)));
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| 20 | $assert($forall (int i : 0 .. N-1) (i < M => b[i] == 0) && (i > M => b[i] == a[i]));
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| 21 | $assert(b[M] == old);
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| 22 | }
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