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347 Commits

Author SHA1 Message Date
Leonardo Alt
3cb4ed83c1 [SMTChecker] Split SMTChecker into SMTEncoder and BMC 2019-07-01 15:05:03 +02:00
Leonardo Alt
a28b84fdc3 [SMTChecker] Add a more general VerificationTarget 2019-06-27 10:31:50 +02:00
Leonardo Alt
48d6729164 [SMTChecker] Remove overflow check for assignments 2019-06-24 17:58:56 +02:00
Leonardo Alt
ed275fd760 [SMTChecker] Collect assertions in EncodingContext 2019-06-24 15:03:00 +02:00
Leonardo Alt
1221eeebf1 [SMTChecker] Report malformed expressions more precisely 2019-06-06 11:54:29 +02:00
Leonardo Alt
f281c94b42 [SMTChecker] Test that non-Boolean literals are actually integers 2019-06-05 10:51:05 +02:00
Leonardo
3a3316393e
Merge pull request #6897 from ethereum/smt_check_pragma_earlier 
[SMTChecker] Exit early if no pragma
 2019-06-05 10:26:25 +02:00
Leonardo
c39ea56f93
Merge pull request #6896 from ethereum/smt_use_portfolio 
[SMTChecker] Use SMTPortfolio directly
 2019-06-05 10:26:05 +02:00
Leonardo
155af48b9d
Merge pull request #6895 from ethereum/smt_keep_assertions 
[SMTChecker] Keep a copy of assertions that are added to the solvers
 2019-06-05 10:25:45 +02:00
Leonardo Alt
4de1e20954 [SMTChecker] Exit early if no pragma 2019-06-04 17:12:15 +02:00
Leonardo Alt
91653526bb [SMTChecker] Use SMTPortfolio directly instead of pointer to SolverInterface 2019-06-04 17:10:52 +02:00
Leonardo Alt
31ef421fff [SMTChecker] Keep a copy of assertions that are added to the solvers 2019-06-04 17:09:04 +02:00
Leonardo Alt
d9ce9cab99 [SMTChecker] Use smtlib's implies instead of \!a or b 2019-06-04 14:23:44 +02:00
chriseth
e08f521b7e
Merge pull request #6764 from ethereum/smt_fix_tuple_ice 
[SMTChecker] Fix ICE in unsupported function calls with multi return values
 2019-05-20 15:18:11 +02:00
Leonardo Alt
60a4f03d3d [SMTChecker] Fix ice in unsupported functions with multi return values 2019-05-16 18:23:42 +02:00
Leonardo Alt
5493a41842 [SMTChecker] Move global variables and functions to encoding context 2019-05-16 18:11:31 +02:00
Leonardo Alt
4e430ba0ae [SMTChecker] Move expression handling to EncodingContext 2019-05-14 15:56:43 +02:00
Leonardo Alt
ebbe03cad6 [SMTChecker] Move variable handling to EncodingContext 2019-05-13 16:59:28 +02:00
chriseth
01dd9ba2ae
Merge pull request #6717 from ethereum/smt_namespace 
Move SMT specific code into smt namespace
 2019-05-13 12:45:34 +02:00
chriseth
e5d46767f1
Merge pull request #6722 from ethereum/smt_fix_variable_usage 
[SMTChecker] Fix VariableUsage for IndexAccess
 2019-05-13 10:17:26 +02:00
Leonardo Alt
fac383a233 Move SMT specific code into smt namespace 2019-05-10 20:03:11 +02:00
chriseth
cc40e65a4b
Merge pull request #6712 from ethereum/smt_unique_ptr 
[SMTChecker] Use unique_ptr instead of shared_ptr where applicable
 2019-05-10 12:53:53 +02:00
Leonardo Alt
3ea5c112d3 [SMTChecker] Fix VariableUsage for IndexAccess 2019-05-10 11:28:10 +02:00
Leonardo Alt
8d65fd18fc [SMTChecker] Style changes 2019-05-09 19:15:43 +02:00
chriseth
89700dbcff
Merge pull request #6665 from ethereum/smt_inline_external_this 
[SMTChecker] Inline external function calls to `this`
 2019-05-09 19:09:08 +02:00
Leonardo Alt
ef32bf185f [SMTChecker] Inline external function calls to this. 2019-05-09 16:53:30 +02:00
Leonardo Alt
c8a017ccd6 [SMTChecker] Use unique_ptr instead of shared_ptr where applicable. 2019-05-09 16:34:22 +02:00
Leonardo Alt
6027383ae5 [SMTChecker] Fix call to function at state var init 2019-05-09 16:12:44 +02:00
Leonardo Alt
3d52a6ca68 [SMTChecker] Fix ICE in branch-inline function call-modify local variable 2019-05-09 09:15:11 +02:00
Leonardo Alt
9893cae27a [SMTChecker] Make mergeVariables deterministic 2019-05-08 20:46:01 +02:00
Leonardo Alt
0b046897ae [SMTChecker] Fix unsupported type assignment 2019-05-08 14:28:23 +02:00
Leonardo Alt
3c7540ceb2 [SMTChecker] Support tuples with multiple var decls 2019-05-07 16:57:27 +02:00
Leonardo Alt
2139c20776 [SMTChecker] Support delete 2019-05-06 18:32:10 +02:00
Leonardo
e99efec085
Merge pull request #6652 from ethereum/smt_tuple_function 
[SMTChecker] Support tuples as function calls with multiple return values
 2019-05-06 15:19:24 +02:00
Leonardo Alt
80712f44cb Fix short circuit with assignments 2019-05-06 11:04:43 +02:00
Leonardo Alt
5440a53d4d [SMTChecker] Support tuples as function calls with multiple return values 2019-05-03 06:10:22 +02:00
Leonardo Alt
204dcf1771 [SMTChecker] Support tuple assignments 2019-05-02 12:55:34 +02:00
Leonardo Alt
6c7527ac90 [SMTChecker] Support tuple type declaration 2019-05-02 12:05:21 +02:00
Leonardo Alt
66655b87b0 [SMTChecker] Fix ICE in fixed point operations 2019-05-02 10:59:23 +02:00
Leonardo Alt
dd4e938265 [SMTChecker] Fix ICE in inherited state var 2019-05-02 10:03:12 +02:00
Leonardo Alt
a6db37ac9c [SMTChecker] Fix bad cast in base constructor modifier. 2019-04-30 18:48:13 +02:00
Leonardo Alt
e4989369d0 Refactor cast from identifier ref decl to var decl 2019-04-30 11:08:36 +02:00
Leonardo Alt
762f79f84d Refactor assignment handling 2019-04-30 11:08:36 +02:00
Leonardo Alt
fc482de695 [SMTChecker] Support address members 2019-04-25 16:24:36 +02:00
Leonardo Alt
dd1afeba52 [SMTChecker] Support this as address 2019-04-18 17:56:52 +02:00
chriseth
fce19bde58
Merge pull request #6545 from ethereum/smt_contracts 
[SMTChecker] Support contract type
 2019-04-18 13:01:18 +02:00
Leonardo Alt
ecd89393ee [SMTChecker] Support contract type 2019-04-17 16:30:11 +02:00
Leonardo Alt
03d18f1b98 [SMTChecker] Add note about not inlining external function calls 2019-04-17 16:14:07 +02:00
Christian Parpart
721bf367a3
[libsolidity] TypeProvider: eliminate redundant "Type" suffix in provider function signatures. 2019-04-17 14:42:07 +02:00
Christian Parpart
862b65d6e3
[libsolidity] remove ReferenceType::copyForLocationIfReference (use TypeProvider instead) 2019-04-17 13:25:03 +02:00
Christian Parpart
58a45f2cb6 [libsolidity] TypeProvider: adds explicit uint256() accessor and removes default params in integerType(...). 2019-04-16 18:28:40 +02:00
Christian Parpart
bf43eebea9 libsolidity: Introducing TypeProvider API, for clear type system ownership. 2019-04-16 18:26:45 +02:00
Leonardo Alt
07fac9e381 [SMTChecker] Allow SymbolicVariable from smt::Sort 2019-04-15 14:52:46 +02:00
chriseth
bf5792f7ca
Merge pull request #6483 from ethereum/smt_support_mod 
[SMTChecker] Support mod
 2019-04-15 13:42:18 +02:00
chriseth
73ac8f6220
Merge pull request #6421 from ethereum/smt_fix_variable_usage 
[SMTChecker] Refactor VariableUsage
 2019-04-15 13:39:10 +02:00
Leonardo Alt
af9f16e014 [SMTChecker] Support mod 2019-04-12 12:39:25 +02:00
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