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chore: bump dafny verification version to 4.7 #1181

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merged 4 commits into from
Jul 9, 2024
Merged

chore: bump dafny verification version to 4.7 #1181

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chore: bump dafny verification version to 4.7
ajewellamz Jul 9, 2024
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ajewellamz Jul 9, 2024
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ajewellamz Jul 9, 2024
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ajewellamz Jul 9, 2024
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2 changes: 1 addition & 1 deletion .github/workflows/ci_verification.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ jobs:
uses: dafny-lang/[email protected]
with:
# A && B || C is the closest thing to an if .. then ... else ... or ?: expression the GitHub Actions syntax supports.
dafny-version: ${{ (github.event_name == 'schedule' || inputs.nightly) && 'nightly-latest' || '4.6.0' }}
dafny-version: ${{ (github.event_name == 'schedule' || inputs.nightly) && 'nightly-latest' || '4.7.0' }}

- name: Regenerate code using smithy-dafny if necessary
if: ${{ github.event_name == 'schedule' || inputs.nightly }}
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34 changes: 16 additions & 18 deletions DynamoDbEncryption/dafny/StructuredEncryption/src/Canonize.dfy
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Expand Up @@ -658,28 +658,26 @@ module {:options "/functionSyntax:4" } Canonize {
}
}

// command line tools that say /vcsSplitOnEveryAssert fail without the {:vcs_split_on_every_assert false}
lemma {:vcs_split_on_every_assert false} InputIsInput(origData : AuthList, input : CanonCryptoList)
requires forall val <- input :: exists x :: x in origData && Updated2(x, val, DoDecrypt)
ensures forall i | 0 <= i < |input| :: exists x :: x in origData && Updated2(x, input[i], DoDecrypt)
ghost predicate Updated2Exists(origData : AuthList, item : CanonCryptoItem)
{
assert forall i | 0 <= i < |input| :: input[i] in input;
forall i | 0 <= i < |input| ensures exists x :: x in origData && Updated2(x, input[i], DoDecrypt) {
var x :| x in origData && Updated2(x, input[i], DoDecrypt);
}
assert forall i | 0 <= i < |input| :: exists x :: x in origData && Updated2(x, input[i], DoDecrypt);
exists x :: x in origData && Updated2(x, item, DoDecrypt)
}

// command line tools that say /vcsSplitOnEveryAssert fail without the {:vcs_split_on_every_assert false}
lemma {:vcs_split_on_every_assert false} InputIsInput2(origData : CryptoList, input : CanonCryptoList)
requires forall val <- input :: exists x :: x in origData && Updated5(x, val, DoEncrypt)
ensures forall i | 0 <= i < |input| :: exists x :: x in origData && Updated5(x, input[i], DoEncrypt)
ghost predicate Updated5Exists(origData : CryptoList, item : CanonCryptoItem)
{
exists x :: x in origData && Updated5(x, item, DoEncrypt)
}

lemma InputIsInput(origData : AuthList, input : CanonCryptoList)
requires forall val <- input :: Updated2Exists(origData, val)
ensures forall i | 0 <= i < |input| :: Updated2Exists(origData, input[i])
{
}

lemma InputIsInput2(origData : CryptoList, input : CanonCryptoList)
requires forall val <- input :: Updated5Exists(origData, val)
ensures forall i | 0 <= i < |input| :: Updated5Exists(origData, input[i])
{
assert forall i | 0 <= i < |input| :: input[i] in input;
forall i | 0 <= i < |input| ensures exists x :: x in origData && Updated5(x, input[i], DoEncrypt) {
var x :| x in origData && Updated5(x, input[i], DoEncrypt);
}
assert forall i | 0 <= i < |input| :: exists x :: x in origData && Updated5(x, input[i], DoEncrypt);
}

lemma CryptoUpdatedAuthMaps(origData : AuthList, input : CanonCryptoList, output : CryptoList)
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