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chriseth
2020-10-28 18:19:31 +01:00
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docs/security-considerations.rst
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@@ -457,19 +457,21 @@ The SMT encoding tries to be as precise as possible, mapping Solidity types
and expressions to their closest `SMT-LIB <http://smtlib.cs.uiowa.edu/>`_
representation, as shown in the table below.
+-----------------------+--------------+-----------------------------+
|Solidity type |SMT sort |Theories (quantifier-free) |
+=======================+==============+=============================+
|Boolean |Bool |Bool |
+-----------------------+--------------+-----------------------------+
|intN, uintN, address, |Integer |LIA, NIA |
|bytesN, enum | | |
+-----------------------+--------------+-----------------------------+
|array, mapping, bytes, |Array |Arrays |
|string | | |
+-----------------------+--------------+-----------------------------+
|other types |Integer |LIA |
+-----------------------+--------------+-----------------------------+
+-----------------------+--------------------------------+-----------------------------+
|Solidity type |SMT sort |Theories (quantifier-free) |
+=======================+================================+=============================+
|Boolean |Bool |Bool |
+-----------------------+--------------------------------+-----------------------------+
|intN, uintN, address, |Integer |LIA, NIA |
|bytesN, enum | | |
+-----------------------+--------------------------------+-----------------------------+
|array, mapping, bytes, |Tuple |Datatypes, Arrays, LIA |
|string |(Array elements, Integer length)| |
+-----------------------+--------------------------------+-----------------------------+
|struct |Tuple |Datatypes |
+-----------------------+--------------------------------+-----------------------------+
|other types |Integer |LIA |
+-----------------------+--------------------------------+-----------------------------+
Types that are not yet supported are abstracted by a single 256-bit unsigned
integer, where their unsupported operations are ignored.