2020-12-18 18:10:32 +00:00
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abstract contract D {
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function d() virtual public;
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}
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contract C {
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bytes data;
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bytes32 kec;
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constructor(bytes memory _data) {
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data = _data;
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kec = keccak256(data);
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}
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2020-12-28 18:49:10 +00:00
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function check(bytes memory _data) public view {
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2020-12-18 18:10:32 +00:00
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bytes32 _kec = keccak256(data);
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2020-12-28 18:49:10 +00:00
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assert(_kec == kec); // should hold
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assert(kec == keccak256(_data)); // should fail
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2020-12-18 18:10:32 +00:00
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}
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function ext(D d) public {
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d.d();
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}
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}
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2021-03-31 15:11:54 +00:00
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// ====
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// SMTEngine: all
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2021-10-20 14:21:34 +00:00
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// SMTIgnoreInv: yes
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2020-12-28 18:49:10 +00:00
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// ----
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2022-11-23 15:51:06 +00:00
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// Warning 6328: (302-333): CHC: Assertion violation happens here.\nCounterexample:\nkec = 0x0\n_kec = 0x0\n\nTransaction trace:\nC.constructor(_data)\nState: kec = 0x0\nC.check(_data)
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