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291 Commits

Author SHA1 Message Date
Leonardo Alt
4fe303530a [SMTChecker] Show unsupported warning for asm blocks 2019-04-05 16:41:15 +02:00
Leonardo Alt
79d8a4e13a [SMTChecker] Refactor VariableUsage 2019-04-05 11:38:37 +02:00
Leonardo Alt
aa9b9aa87e [SMTChecker] Support unary inc/dec for array/mapping access 2019-04-02 16:53:19 +02:00
chriseth
84251e5a22
Merge pull request #6405 from ethereum/smt_compound_assignment 
[SMTChecker] Support arithmetic compound assignment operators.
 2019-03-28 18:27:25 +01:00
Leonardo Alt
a7e826a224 [SMTChecker] Implement short circuit 2019-03-28 16:08:30 +01:00
Leonardo Alt
15269067b5 Support arithmetic compound assignment operators 2019-03-28 15:27:52 +01:00
Leonardo Alt
ecbf36f271 Refactor computing symbolic arithmetic operation 2019-03-28 15:27:36 +01:00
Leonardo Alt
1d63b97857 Take inlined function calls into account when collecting touched variables 2019-03-28 14:32:47 +01:00
Leonardo Alt
6f9b69ebc3 Refactor function that retrieves FunctionDefinition from FunctionCall 2019-03-28 14:32:47 +01:00
Leonardo Alt
a207d7f44c [SMTChecker] Add callstack model to overflow checks 2019-03-21 16:25:33 +01:00
Leonardo Alt
de89733bd6 [SMTChecker] Fix nullptr deref 2019-03-21 15:46:54 +01:00
Leonardo Alt
9659f40c8d [SMTChecker] Support modifiers 2019-03-20 11:32:20 +01:00
Leonardo Alt
3296fb3764 Add callstack to model report 2019-03-20 10:35:29 +01:00
Leonardo Alt
a8209e9899 [SMTChecker] Shortcut RationalNumber expressions 2019-03-11 12:53:49 +01:00
Leonardo Alt
02d0e609b9 [SMTChecker] Support enums 2019-03-07 15:15:12 +01:00
Leonardo Alt
29b2ab6f66 Handle aliasing 2019-03-06 11:29:54 +01:00
Leonardo Alt
467c34999f Do not throw on string literals 2019-03-06 11:29:26 +01:00
Leonardo Alt
e74f58130e Add SMT type support to Solidity arrays 2019-03-06 11:29:26 +01:00
Mathias Baumann
f782125463 Fix SMT Checker crash due to missing type information 2019-02-28 11:55:45 +01:00
Leonardo Alt
bbd2c91e19 [SMTChecker] Replace dynamic_cast by category check 2019-02-26 00:47:59 +01:00
Leonardo Alt
34470f3549 [SMTChecker] Only check for overflow/underflow in the end of the function 2019-02-18 23:55:58 +01:00
chriseth
cb0ad2266c
Merge pull request #6008 from ethereum/smt_fix_abstract_assignment 
[SMTChecker] Assert type is not function when assigning
 2019-02-18 14:54:20 +01:00
Leonardo Alt
22cdfb18d4 [SMTChecker] Assert type is not function when assigning 2019-02-14 13:32:56 +01:00
Daniel Kirchner
8ca6715e18 More style checks. 2019-02-14 11:41:20 +01:00
Leonardo Alt
637546850f [SMTChecker] Add mod operator 2019-02-07 14:24:40 +01:00
Leonardo Alt
9a33367bc6 [SMTChecker] Warn when no solver was found and there are unhandled queries. 2019-01-29 14:29:07 +01:00
Leonardo Alt
7f8ceaadab [SMTChecker] Clear state knowledge after external function calls 2019-01-21 12:58:40 +01:00
Leonardo Alt
a10db051de [SMTChecker] Support basic typecast 2019-01-16 13:00:54 +01:00
Leonardo Alt
cce377833a Sort includes in libsolidity/formal 2018-12-17 18:26:10 +01:00
Leonardo Alt
9199718ec0 Clear all mapping knowledge after array variable assignment 2018-12-14 12:21:53 +01:00
Leonardo Alt
6a2809a582 [SMTChecker] Support to mapping 2018-12-14 12:21:53 +01:00
Leonardo Alt
08737e43dc [SMTChecker] Use SymbolicFunctionVariable for uninterpreted functions 2018-12-11 11:28:25 +01:00
Leonardo Alt
de46bb2c42 [SMTChecker] Introduce SymbolicFunctionVariable 2018-12-10 11:34:29 +01:00
Kevin Kelley
fb6fd1b3c2 add a 'readable' format for large hex values 2018-12-05 22:15:02 +01:00
Leonardo Alt
b9f424e373 [SMTChecker] Simplify symbolic variables 2018-12-05 09:56:52 +01:00
Leonardo Alt
8069bb61da [SMTChecker] Loops are unrolled once 2018-12-04 12:35:19 +01:00
Leonardo Alt
6d41ffb4a5 [SMTChecker] Remove unary plus operator 2018-12-03 10:35:38 +01:00
Leonardo Alt
2f6de12e8c [SMTChecker] Make smt::Sort::operator== virtual 2018-11-30 10:41:15 +01:00
chriseth
9e9250c961 Fix move bug. 2018-11-29 15:32:38 +01:00
Leonardo Alt
aaaa92012c [SMTChecker] Unknown answer for constant condition check should not do anything 2018-11-26 12:54:02 +01:00
Leonardo Alt
6251a289dd Testing with smtlib2 interface always there 2018-11-23 09:43:49 +01:00
Leonardo Alt
dee0c4ded8 Error message stays in the SMTChecker 2018-11-23 09:43:49 +01:00
Leonardo Alt
f3c2309c73 Display better error message in SMTLib2 2018-11-23 09:43:49 +01:00
chriseth
54bed454f6 Rename function and warn if responses are supplied for Z3. 2018-11-23 09:43:49 +01:00
chriseth
bb10be789c Inject SMTLIB2 queries and responses via standard-json-io. 2018-11-23 09:43:49 +01:00
chriseth
d686807153 Style 2018-11-22 21:13:02 +01:00
Leonardo Alt
ec84a7dc9b [SMTChecker] Refactor setZeroValue and setUnknownValue 2018-11-22 16:42:51 +01:00
Leonardo Alt
20accf1a90 [SMTChecker] Add ArraySort and array operations 2018-11-22 14:04:20 +01:00
Leonardo Alt
13a142b039 [SMTChecker] Add FunctionSort and refactors the solver interface to create variables 2018-11-22 10:04:04 +01:00
Christian Parpart
d67322a186 Introduce namespace langutil in liblangutil directory. 
Also:
- Use {}-style list initialisation for SourceLocation construction
- Introduce new system includes
- Changes the API of the Scanner to take source as value (with move) as opposed to as a reference
 2018-11-21 19:13:44 +00:00
Christian Parpart
87821c53c3 Isolating files shared between Yul- and Solidity language frontend. 2018-11-21 18:58:12 +00:00
Alex Beregszaszi
2c6e1888eb
Merge pull request #5466 from ethereum/smt_refactor_sort_patch1 
[SMTChecker] Refactor smt::Sort and its usage
 2018-11-21 15:17:58 +00:00
Leonardo Alt
01ce43e51b [SMTChecker] Refactor smt::Sort and its usage 2018-11-21 15:46:47 +01:00
mordax
ea8b7d803e Removing redundant virtual from override function declaration 
Remove trailing whitespace

Remove changelog change
 2018-11-21 14:37:32 +00:00
Leonardo Alt
06c3f0953a [SMTChecker] Support bound function calls 2018-11-19 15:29:00 +01:00
Leonardo Alt
70bb0eaf95 [SMTChecker] Implement uninterpreted functions and use it for blockhash() 2018-11-15 09:12:42 +01:00
Leonardo Alt
9a4fd946c3 Add Scanner function that prints source based on SourceLocation 2018-11-13 13:49:29 +01:00
Leonardo Alt
d8cbf321da Grouping of symbolic variables in the same file and support to FixedBytes 2018-10-25 09:30:48 +02:00
chriseth
01566c2e1a
Merge pull request #5272 from ethereum/smt_special_vars 
[SMTChecker] Support msg.*, tx.*, block.*, gasleft and blockhash
 2018-10-24 14:34:17 +02:00
Leonardo Alt
e2cf5f6ed9 Add gasleft constraint and use full member access name 2018-10-22 18:19:11 +02:00
Christian Parpart
f112377dd4
Refactor solidity::Token into an enum class with TokenTraits helper namespace 2018-10-22 17:00:51 +02:00
Leonardo Alt
b46b827c30 [SMTChecker] Support msg.*, tx.*, block.*, gasleft and blockhash 2018-10-19 15:52:16 +02:00
Leonardo Alt
070471d8d4 Fix possibly effectless map emplace 2018-10-17 19:00:38 +02:00
Leonardo Alt
c92d3b537d [SMTChecker] Refactor expressions such that they also use SymbolicVariable 2018-10-17 18:36:24 +02:00
Leonardo
3db1ce0e14
Merge pull request #5235 from ethereum/smt_refactor_types 
[SMTChecker] Refactoring types
 2018-10-17 18:35:48 +02:00
Bhargava Shastry
67fd3ca4a7 Retained move/copy semantics; removed const qualifier from Expression's members name (of type std::string) and arguments (of type std::vector<Expression>) 2018-10-17 16:46:18 +02:00
Bhargava Shastry
546b08c158 Fix compiler warning: clang-8 warns of explicitly-defined op implicitly deleted for Expression object's copy and move constructors 2018-10-17 16:42:51 +02:00
Leonardo Alt
afe83cc28b Refactor SymbolicAddressVariable and SymbolicVariable allocation 2018-10-17 15:58:13 +02:00
Leonardo Alt
aa23326e06 Consistent renaming of 'counters' and 'sequence' to 'index' 2018-10-17 15:58:13 +02:00
Leonardo Alt
ec39fdcb3c [SMTChecker] Refactoring types 2018-10-17 15:58:13 +02:00
chriseth
2384947521
Merge pull request #5209 from ethereum/smt_ssa_refactor 
[SMTChecker] Refactor SSAVariable such that it only uses Type and not Declaration
 2018-10-15 16:49:47 +02:00
Leonardo Alt
e4851cf59e [SMTChecker] Inline calls to internal functions 2018-10-15 15:11:21 +02:00
Leonardo Alt
4a4620ac95 Refactor SSAVariable such that it only uses Type and not Declaration 2018-10-15 14:20:54 +02:00
Alex Beregszaszi
fa0ce6a7e7 Use empty() instead of size() == 0 2018-10-09 04:29:37 +01:00
Anurag Dashputre
3321000f67 Removing extra default cases to force compile time error, instead of runtime. 2018-09-30 12:40:38 +05:30
Daniel Kirchner
87804b6419 Split IntegerType into IntegerType and AddressType. 2018-09-05 12:19:14 +02:00
Daniel Kirchner
9b4546c487 Add workarounds for building against CVC4 on ArchLinux. 2018-08-08 19:02:59 +02:00
Alex Beregszaszi
f024efb7ab SMT: do not crash on referencing MagicVariableDeclaration 2018-08-07 20:43:20 +01:00
Alex Beregszaszi
6003ed2abd
Merge pull request #4603 from ethereum/smtlib2 
[SMTLib2] Fix repeated declarations
 2018-08-02 12:04:58 +01:00
Leonardo Alt
90f319615f SMT model variables are sorted and printed as secondary source location 2018-08-01 23:27:46 +02:00
Leonardo Alt
b6a2655513 Replace "value" by "<result>" in the SMT model 2018-08-01 23:27:11 +02:00
Leonardo Alt
41ac3d6cfb Remove repeated declarations in Z3 and CVC4 as well 2018-08-01 11:12:56 +02:00
Alex Beregszaszi
179427fd65 Import dev::solidity namespace in SMTPortfolio 2018-07-27 23:17:17 +01:00
Leonardo Alt
f249f9c86f [SMTLib2] Fix repeated declarations 2018-07-27 17:34:44 +01:00
Alex Beregszaszi
dea0567e06 Fix unterminated parentheses typo in SMTLib2 
Found by @leonardoalt
 2018-07-27 17:33:53 +01:00
Leonardo Alt
55c1fb60b4 [SMTChecker] Add CheckResult::CONFLICTING 2018-07-27 16:16:26 +01:00
Leonardo Alt
87a38e1abe [SMTChecker] SMTPortfolio: use all SMT solvers available 2018-07-27 16:15:34 +01:00
Leonardo Alt
b356f6a7f9 Setting timeout to Z3 and CVC4 2018-07-27 16:01:48 +02:00
Leonardo Alt
06dbcb3afe Only ask for a model if it's SAT 2018-07-27 14:13:22 +02:00
Alex Beregszaszi
ae15b52d93
Merge pull request #4565 from ethereum/smt-stringutils-crash 
Add assert for both branches in mergeVariables in SMTChecker
 2018-07-25 11:08:47 +01:00
Alex Beregszaszi
a5a61a0b77 More consistent catch statements 
Also take const& in all cases.
 2018-07-25 01:18:09 +01:00
Alex Beregszaszi
d30a6de942 Add better warning on binary operation on non-integer types in SMT Checker 2018-07-24 23:23:54 +01:00
Alex Beregszaszi
278372c13d Add assert for both branches in mergeVariables in SMTChecker 2018-07-24 22:43:05 +01:00
Cryptomental
140dbfdbd8 Code, Changelog, ReleaseChecklist: Fix typos. 
Refs: #4442
 2018-07-11 00:26:23 +02:00
Leonardo Alt
207d5859d1 Refactoring Declaration -> VariableDeclaration (more precise) 2018-06-12 10:58:50 +02:00
Leonardo Alt
48652c88af Review comments 2018-06-12 10:58:50 +02:00
Leonardo Alt
678a769cd7 Refactoring how storage and local variables are managed. 2018-06-12 10:58:50 +02:00
Leonardo Alt
0b6eea0c55 Bool variables should not allow arithmetic comparison 2018-05-16 18:32:47 +02:00
Leonardo Alt
4117e859eb [SMTChecker] Declaring all state vars before any function is visited 2018-05-15 14:28:08 +02:00
Leonardo Alt
2dbb35d4a8 [SMTChecker] Support to integer and Bool storage vars 2018-05-15 14:22:50 +02:00
chriseth
8debded743
Revert "BREAKING: Bool variables should not allow arithmetic comparison" 2018-05-02 15:56:59 +02:00
chriseth
42289b642f
Merge pull request #4003 from ethereum/bool_vars_comparison 
BREAKING: Bool variables should not allow arithmetic comparison
 2018-05-02 15:56:06 +02:00
Alexander Arlt
f94b793472 Add virtual destructors on base classes. 2018-05-02 13:29:16 +02:00
Leonardo Alt
ab251c7e7d Bool variables should not allow arithmetic comparison 2018-04-27 11:35:58 +02:00
Leonardo Alt
ba3d16fc58 [SMTChecker] Remove 'information is erase' message for if-else 2018-04-19 09:28:44 +02:00
Leonardo Alt
78ba34608f [SMTChecker] Using solUnimplementedAssert instead of solAssert when applicable 2018-04-18 13:17:59 +02:00
Leonardo Alt
ae3350ae03 [SMTChecker] Integration with CVC4 2018-04-17 12:26:58 +01:00
Leonardo Alt
8d087d1889 [SMTChecker] Removing usage of UFs to access SSA indices 2018-04-05 12:48:58 +02:00
Leonardo Alt
9b64dc501d [SMTChecker_Bool] Fix PR review comments: method renaming and solAssert 2018-03-12 20:16:47 +01:00
Leonardo Alt
c2d26eb6a2 [SMTChecker_Bool] Fix PR comments; Add support to gt, ge, lt, le. and tests. 2018-03-12 20:16:47 +01:00
Leonardo Alt
6a940f0a99 [SMTChecker] Support to Bool variables 2018-03-12 20:16:47 +01:00
Leonardo Alt
5d74b862a3 This z3 option is necessary for good solving performance 2018-03-04 14:42:36 +01:00
Leonardo Alt
8b1b4b78c0 Fix PR comments 2018-02-28 18:31:11 +01:00
Leonardo Alt
cff0836c03 Fix PR comments 2018-02-28 18:05:20 +01:00
Leonardo Alt
21c6b80fc9 Supported types listed in SSAVariable 2018-02-28 18:05:20 +01:00
Leonardo Alt
3b2851ee41 Integer min and max values placed under SymbolicIntVar instead of SMTChecker 2018-02-28 18:05:20 +01:00
Leonardo Alt
f41591b3dd [SMTChecker] A little refactoring on SSA vars 2018-02-28 18:05:20 +01:00
Leonardo Alt
d0abc5359b [SMTChecker] Variables are merged after branches (ite variables) 2018-01-04 18:20:12 +01:00
Leonardo Alt
b588134840 [SMTChecker] Fix typo in the code (satisifable->satisfiable) 2017-12-18 17:31:27 +01:00
Leonardo Alt
a1e296e392 [SMTChecker] Helper functions to add an expression to the solver conjoined with or implied by the current path conditions 2017-12-13 17:59:36 +01:00
Leonardo Alt
2af4d7c7dd [SMTChecker] Keep track of current path conditions 2017-12-13 17:39:10 +01:00
chriseth
a256983320 Fix expression creation problems. 2017-11-30 01:20:21 +01:00
chriseth
d160ec8595 Fix signed division. 2017-11-30 01:20:21 +01:00
chriseth
19e067465a Unary operators and division. 2017-11-30 01:20:21 +01:00
chriseth
0e2a9658d2 Explain IntIntFun and merge assertion. 2017-11-23 19:02:47 +01:00
chriseth
762d591a47 Introduce sorts for smt expressions. 2017-11-22 15:20:26 +01:00
chriseth
8538a25f8d Fix problem with non-value-typed variables. 2017-11-22 02:35:34 +00:00
chriseth
19d5c42429 For loop. 2017-11-22 02:35:34 +00:00
chriseth
95a65dc04c Fix boolean constants. 2017-11-22 02:35:34 +00:00
chriseth
22c689d516 Check for conditions being constant. 2017-11-22 02:35:34 +00:00
chriseth
e5de4a66ed Tests. 2017-11-22 02:35:34 +00:00
chriseth
b37377641d Track usage of variables. 2017-11-22 02:35:34 +00:00
chriseth
f62caf587e Handle branches. 2017-11-22 02:35:34 +00:00
chriseth
7d0e46bf59 Merge pull request #3030 from ethereum/smt-variable-types 
SMT enforce variable types
 2017-10-20 16:55:09 +02:00
Alex Beregszaszi
7a4c165518 Remove unused variable in Z3 2017-10-18 23:18:11 +01:00
chriseth
153ae98878 Catch exception in Z3. 
Note: This exception might not be the result of resource limitation,
it might also hint towards usage error.
 2017-10-17 18:30:10 +01:00
Alex Beregszaszi
a71c6faf0f Remove duplicate >= in Z3 2017-10-17 18:30:07 +01:00
chriseth
1f97c1ea8f Rename variables in SMT checker. 2017-10-17 18:29:53 +01:00
Alex Beregszaszi
18ae0c3d78 SMT enforce variable types 2017-10-05 12:29:20 +01:00
Alex Beregszaszi
10529e994f SMT should not crash on typecast/structs 2017-10-05 11:41:11 +01:00
Alex Beregszaszi
66b188cce9 Merge pull request #3022 from ethereum/assert 
Use solAssert and not assert
 2017-10-04 14:11:43 +01:00
Alex Beregszaszi
a9847c9551 Use solAssert and not assert 2017-10-04 13:05:55 +01:00
chriseth
5ee3ceaef7 Remove leftover couts. 2017-09-29 12:44:39 +02:00
Alex Beregszaszi
1c0c5d923a Mark constructors explicit 2017-09-20 01:23:21 +01:00
chriseth
9e63710b8e Remove parameter names for defaulted functions. 2017-08-31 12:16:41 +02:00
chriseth
cf5e1d6120 Review changes. 2017-08-23 17:37:35 +02:00
chriseth
c93f0434cd Use experimental feature pragma for SMT checker. 2017-08-23 17:37:35 +02:00
chriseth
75f09f2a84 Partial support for if statements. 2017-08-23 17:37:35 +02:00
chriseth
5bfd5d98c1 Format numbers more nicely. 2017-08-23 17:37:35 +02:00
chriseth
1e05ebe50e Refactor Z3 read callback. 2017-08-23 17:37:35 +02:00