Commit Graph

146 Commits

Author SHA1 Message Date
Martin Blicha
7078e8f8f8 [SMTChecker] Fix analysis of overriding modifiers 2020-12-17 17:05:54 +01:00
Leonardo Alt
2cbf33ca1c SMTChecker support ABI functions as UFs 2020-12-17 14:03:17 +01:00
Daniel Kirchner
c400c61fc3 Fix incorrect behaviour on clang 6. 2020-12-10 17:20:30 +01:00
Daniel Kirchner
7308abc084 Allow loading Z3 dynamically at runtime. 2020-12-10 16:47:47 +01:00
Leonardo Alt
3c142e0e94 Move CHC counterexamples to primary location 2020-12-09 19:55:18 +01:00
Leonardo Alt
a961a76263 Do not run SMTChecker when file level functions/constants are present. 2020-12-09 12:18:55 +01:00
Leonardo Alt
b7ac207391 [SMTChecker] Support return in CHC 2020-12-07 18:17:33 +01:00
Leonardo Alt
7490ffbe13 Use nonlinear clauses instead of inlining for base constructors 2020-12-04 13:25:56 +01:00
Martin Blicha
5ca7a24896 [SMTChecker] Added support for precise modeling of external calls to this.
Modeling external calls to this, since we can trust these calls.

fixed problem with transaction data not being restored after trusted external call

update to the tests

additional tests

changelog entry

added tests for external getters of this
2020-11-13 11:49:09 +01:00
Leonardo
25b2a38d8b
Merge pull request #10202 from ethereum/smt_fix_modifiers_branches
[SMTChecker] Fix CHC false positives when using branches inside modifiers
2020-11-09 16:42:30 +00:00
Leonardo Alt
646be53f2f Sort variables and expressions by AST id 2020-11-06 11:50:43 +00:00
Leonardo Alt
1dbd8f8d67 Fix CHC false positives when using branches inside modifiers 2020-11-04 21:47:07 +00:00
Leonardo
62535c2fd4
Merge pull request #10181 from ethereum/smt_user_timeout
[SMTChecker] User timeout option
2020-11-04 10:55:28 +00:00
Leonardo Alt
daf859c15b [SMTChecker] report SMTEncoder warnings also via CHC 2020-11-03 16:06:17 +00:00
Leonardo Alt
d03ddeb0fa [SMTChecker] User timeout option 2020-11-03 10:46:11 +00:00
Martin Blicha
c1a57ffbfe [SMTChecker] More precise creation of verification targets. 2020-10-30 19:11:28 +01:00
Leonardo Alt
446e46fe06 Use Expression instead of plain strings for counterexamples 2020-10-27 12:04:51 +00:00
Martin Blicha
f0d81601db [SMTChecker] Adding division by zero checks in the CHC engine 2020-10-21 14:48:33 +02:00
Leonardo Alt
cf35785328 Add unknown message to all verification targets 2020-10-19 20:54:13 +01:00
Leonardo
a097f9f124
Merge pull request #10025 from ethereum/smt_crypto_functions
[SMTChecker] Support crypto functions in CHC
2020-10-16 16:40:29 +01:00
Leonardo Alt
4e49135318 Add CLI option to choose model checker engine 2020-10-16 15:01:47 +01:00
Leonardo Alt
54f76e081a [SMTChecker] Support crypto functions in CHC 2020-10-16 14:57:13 +01:00
Leonardo Alt
aec456021d Add tx constraints to CHC 2020-10-13 17:49:04 +01:00
Leonardo Alt
18cf01c187 Add this and state to CHC 2020-10-12 11:11:52 +01:00
Leonardo Alt
c8cc73c80c Support array slices 2020-10-01 11:52:02 +02:00
Leonardo Alt
352cce5fc8 [SMTChecker] Support addmod and mulmod. 2020-09-29 12:45:19 +02:00
Leonardo Alt
fa7c9a0dc6 Simplify internal function calls 2020-09-28 15:31:15 +02:00
Leonardo Alt
3519b38055 Move predicate functions from CHC to PredicateInstance 2020-09-28 12:43:19 +02:00
Leonardo Alt
ac93ee1d08 Move error flag from CHC to SymbolicState 2020-09-28 12:37:57 +02:00
Leonardo Alt
e6bd18525b [SMTChecker] Add engine prefix to verification target error messages 2020-09-25 19:09:06 +02:00
Leonardo Alt
d87e15e2cd Refactor CHC sorts 2020-09-15 16:45:50 +02:00
Leonardo Alt
23ee011c56 [SMTChecker] Fix imports 2020-09-11 13:34:46 +02:00
Leonardo Alt
00f6b303b1 [SMTChecker] Change warning message 2020-09-09 16:14:21 +02:00
Leonardo Alt
a3b6019131 Move post input and post output filtering from CHC to Predicate 2020-09-01 16:10:12 +02:00
Leonardo Alt
2e2e96cc93 Move state model filtering from CHC to Predicate 2020-09-01 16:10:12 +02:00
Leonardo Alt
e3a8c94ace Move formatFunctionCallCounterexample from CHC to Predicate 2020-09-01 16:10:11 +02:00
Leonardo Alt
5bbb20d3cb Move stateVariablesIncludingInheritedAndPrivate from CHC to SMTEncoder 2020-09-01 16:09:57 +02:00
Leonardo Alt
016b9b83a8 Refactor predicates 2020-09-01 16:09:56 +02:00
chriseth
4dc63875f9
Merge pull request #9113 from ethereum/smt_chc_overflow
[SMTChecker] Add underflow/overflow target to CHC
2020-08-20 13:17:00 +02:00
Leonardo Alt
8a06041bbe [SMTChecker] Add underflow/overflow target to CHC 2020-08-14 12:58:27 +02:00
Jason Cobb
888d7037cd
Make FunctionCallAnnotation::kind a SetOnce 2020-08-12 11:57:01 -04:00
Leonardo Alt
8df8c6e14f [SMTChecker] Fix ICE in BMC function inlining 2020-08-05 11:47:25 +02:00
Leonardo Alt
d5f00842d9 cex2dot debug 2020-07-23 18:49:03 +02:00
Leonardo Alt
5bb4e73693 Review 1 2020-07-23 18:49:03 +02:00
Leonardo Alt
51721c3080 Double SAT run for cex 2020-07-23 18:49:03 +02:00
Leonardo Alt
694ec92688 Generate counterexample message based on cex graph 2020-07-23 18:49:03 +02:00
Leonardo Alt
744905525f Convert z3 cex graph into STL 2020-07-23 18:49:03 +02:00
Leonardo Alt
a7a069c74a Refactor constructor exit 2020-07-23 18:49:03 +02:00
Sachin Grover
b7adb2aa42 Add SPDX license identifier if not present already in source file
Fixes: #9220
2020-07-17 20:24:12 +05:30
chriseth
b3566ad0d5
Merge pull request #9082 from ethereum/conversionWarnings
Adding `-Wsign-conversion` flag and fixing errors
2020-07-13 11:28:09 +02:00
Leonardo Alt
88030c6568 [SMTChecker] Refactor verification targets 2020-07-10 10:28:49 +02:00
Alex Beregszaszi
a0300835eb Change CHC to avoid sign mismatch 2020-07-09 17:22:52 +02:00
Leonardo Alt
f97fa9b520 [SMTChecker] Add current input variables to the function summary 2020-07-02 15:30:29 +02:00
Leonardo Alt
5517e817d5 Do not trust code of external functions 2020-07-01 18:20:46 +02:00
Leonardo Alt
56e7d43384 Rename var 2020-07-01 18:20:34 +02:00
Leonardo Alt
5160f89c1b [SMTChecker] Support to external calls to unknown code 2020-07-01 18:20:33 +02:00
Djordje Mijovic
c6e4943089 Adding fixes for signedness warnings in libsolidity
Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it>
2020-06-10 10:41:55 +02:00
Leonardo Alt
9e9f0c52e1 [SMTChecker] Support to bitwise 2020-05-27 20:59:00 +02:00
Leonardo Alt
45eba27424 Rename namespace 2020-05-20 12:55:18 +02:00
Leonardo Alt
087605ea02 Create libsmtutil 2020-05-20 12:55:18 +02:00
Leonardo Alt
2435ab938c Add verification target for empty pop 2020-05-18 16:35:56 +02:00
a3d4
8f68c04358 Add unique IDs to error reporting calls 2020-05-06 13:53:46 +02:00
chriseth
41ef13129b
Merge pull request #8678 from ethereum/smt_remove_redundant_constraints
[SMTChecker] Remove redundant CHC constraints
2020-04-20 15:44:59 +02:00
Leonardo Alt
45f22e3ff4 Add functional map and fold generic functions 2020-04-16 19:21:36 +02:00
Leonardo Alt
bca43586c6 [SMTChecker] Remove redundant CHC constraints 2020-04-15 18:11:39 +02:00
Leonardo Alt
e3ec22124e [SMTChecker] Fix ICE in CHC internal calls 2020-04-07 01:09:03 +02:00
Leonardo Alt
d2f65ea8b1 [SMTChecker] Add SortProvider 2020-03-26 14:55:54 +01:00
Leonardo Alt
07368c2e1e Add support to internal function calls 2020-03-11 16:29:07 +01:00
Leonardo Alt
3bee348525 Change CHC encoding to functions forest instead of explicit CFG 2020-03-03 12:12:26 +01:00
Leonardo Alt
d31a2a8d21 CHC clears indices so that initial is 0 and current is 1 2020-02-12 11:47:58 -03:00
Christian Parpart
6b23412fae C++ namespace cleanup (except tests). 2020-01-07 15:51:50 +01:00
Leonardo Alt
f4f83690f3 Replace some shared_ptr by unique_ptr or raw pointers 2020-01-06 14:16:49 +01:00
chriseth
f6916a637e Merge remote-tracking branch 'origin/develop' into develop_060 2019-12-09 17:16:58 +01:00
Leonardo Alt
225041738e Add SMTCheckerTest for isoltest 2019-12-09 15:32:08 +01:00
chriseth
e061f1e743 Merge remote-tracking branch 'origin/develop' into HEAD 2019-12-05 16:44:26 +01:00
Leonardo Alt
48c3a5c225 [SMTChecker] Create options to choose SMT solver in runtime 2019-12-04 17:31:44 +01:00
chriseth
96d777d7f1 Merge commit 'a7d481fb9' into develop_060 2019-12-03 20:47:30 +01:00
Leonardo Alt
c09da092d2 [SMTChecker] Fix constructors with local vars 2019-11-29 16:59:15 +01:00
Leonardo Alt
a352abe00d [SMTChecker] Add support to constructors 2019-11-28 14:43:23 +01:00
Leonardo Alt
ddc478e3e4 Add CallbackKind and use it for the SMT solver 2019-11-21 22:10:21 +00:00
chriseth
216e1749f4 Merge remote-tracking branch 'origin/develop' into develop_060 2019-11-14 13:42:46 +01:00
Leonardo Alt
e3652627fd [SMTChecker] Fix ICE in CHC when function used as argument 2019-11-13 15:11:30 +01:00
chriseth
2e5a42836c
Merge pull request #7681 from ethereum/develop
Merge develop into develop_060
2019-11-11 16:42:03 +01:00
Leonardo Alt
6b10efff8c Add CHCSmtLib2Interface 2019-11-07 11:12:11 +01:00
chriseth
21e65076b3
Merge pull request #7650 from ethereum/develop
Merge develop into develop_060
2019-11-06 21:56:55 +01:00
Leonardo Alt
10e70b8603 [SMTChecker] Support inheritance and resolve overrides 2019-11-06 11:00:06 +01:00
chriseth
4d99bf68f4
Merge pull request #7638 from ethereum/develop
Merge develop into develop_060
2019-11-05 17:33:54 +01:00
Leonardo Alt
c5e081dc8c [SMTChecker] Refactor CHC loops and add if blocks 2019-11-05 09:28:59 +01:00
Daniel Kirchner
3321fc56ea Split fallback function and introduce "fallback()" and "receive()" syntax. 2019-11-04 17:17:58 +01:00
Leonardo Alt
e1c238e25f [SMTChecker] Add loop support 2019-09-13 12:40:53 +02:00
Leonardo Alt
1a70a46f9b [CHC] Add function blocks and check asserts 2019-08-15 12:25:15 +02:00
Leonardo Alt
bef6228810 [SMTChecker] Create CHC constructor/interface/error blocks 2019-08-12 12:34:57 +02:00
Leonardo Alt
4214cd1354 [SMTChecker] Fix ICE when reporting cex concerning state vars from different source files 2019-08-10 20:56:52 +02:00
Leonardo Alt
369f8cd97f [SMTChecker] CHC create function return variables 2019-08-05 12:36:51 +02:00
Leonardo Alt
b204f27047 [SMTChecker] EncodingContext config flag to accumulate assertions 2019-07-19 19:31:25 +02:00
Leonardo Alt
03cc124f32 Add CHC skeleton 2019-07-19 11:52:05 +02:00