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522 Commits

Author SHA1 Message Date
Martin Blicha
8927015e5a [SMTChecker] Adding unary increment and decrement as under/overflow verification targets for the CHC engine 2020-12-11 17:41:50 +01:00
Alex Beregszaszi
bd641a5206 Enable more C++ compiler warnings 2020-12-10 21:03:58 +00:00
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
Martin Blicha
eb356735f6 [SMTChecker] Adding support for reporting values of structs in CEX in CHC engine. 2020-12-08 16:40:28 +01:00
Martin Blicha
0ebab439be removing assert that is not always true 2020-12-08 12:27:59 +01:00
Martin Blicha
ff0c794674 [SMTChecker] Fixing conversion from StringLiteral to FixedBytes 2020-12-07 19:30:51 +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
Leonardo
088b694f0b
Merge pull request #10207 from ethereum/smt_tests_asserts 
[SMTChecker] Add uncovered test and replace uncovered tests by asserts
 2020-12-03 08:59:48 +01:00
Martin Blicha
2ee633f404 [SMTChecker] Added support for public getters through this. 2020-12-02 16:06:48 +01:00
Leonardo Alt
fa561dbd0e Add uncovered test and replace uncovered tests by asserts 2020-11-30 18:46:47 +01:00
Martin Blicha
cd06d68cbe [SMTChecker] Keeping better track of path condition through branches with return statement in the BMC engine. 2020-11-30 11:47:49 +01:00
Djordje Mijovic
26c43cfc66 [SMTChecker] Fix SMT logic error when doing compound assignment with string literlas. 2020-11-24 19:14:15 +01:00
Leonardo Alt
68cfa0a901 Fix spelling in SMTChecker comment 2020-11-23 19:40:29 +01:00
Martin Blicha
66125b79d6 [SMTChecker] Do not report warning when encountered a Type identifier. The operations are supported now. 2020-11-23 15:41:57 +01:00
Martin Blicha
80d743426f [SMTChecker] Added support for struct constructor. 2020-11-23 13:45:17 +01:00
Leonardo
61069ec77d
Merge pull request #10355 from blishko/smtchecker-refactoring 
[SMTChecker] Small refactoring of assignments to provide a common low-level point for model checking engines to hook into.
 2020-11-20 14:31:32 -01:00
Leonardo Alt
e4339b0526 [SMTChecker] Support named arguments in function calls 2020-11-20 11:52:26 -01:00
Martin Blicha
fbcb572d69 [SMTChecker] Small refactoring of assignments to provide a common low-level point for model checker engines to hook into. 2020-11-19 22:03:08 +01:00
Martin Blicha
07427c798c [SMTChecker] Adding a dummy frame to the call stack for the implicit constructor 2020-11-16 22:46:17 +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
Alex Beregszaszi
2f899bbffa [SMTChecker] Avoid implicit conversion 2020-11-11 16:29:03 +00:00
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
00858c0ccf Isoltets SMTChecker option and BMC specific tests 2020-11-06 15:03:38 +00:00
Leonardo Alt
89dce24f24 Force SMT variable creation order 2020-11-06 11:51:01 +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
Leonardo Alt
e38d0db683 [SMTChecker] Fix internal error when array.push() is used as LHS of assignment 2020-11-02 13:32:53 +00:00
Leonardo Alt
94e2506132 Fix inherited state vars for BMC 2020-11-02 11:42:39 +00:00
Martin Blicha
c1a57ffbfe [SMTChecker] More precise creation of verification targets. 2020-10-30 19:11:28 +01:00
Đorđe Mijović
1f50b86aad
Merge pull request #10073 from ethereum/smt_format_array_cex 
Format array cex
 2020-10-28 12:39:19 +01:00
Leonardo Alt
25f75ce547 Remove nondet tests 2020-10-28 11:03:42 +00:00
Leonardo
07c454949f
Merge pull request #10127 from ethereum/fixIceSmtBitwise 
[SMTChecker] Fix ICE when using >>>
 2020-10-28 09:28:18 +00:00
Djordje Mijovic
9cc37c3fa4 [SMTChecker] Fix ICE when using >>> 2020-10-28 09:25:14 +01:00
Leonardo Alt
f2f84a7f97 Format array cex 2020-10-27 16:32:43 +00:00
Leonardo Alt
446e46fe06 Use Expression instead of plain strings for counterexamples 2020-10-27 12:04:51 +00:00
Leonardo Alt
4755cfe157 Fix assignment to contract member access 2020-10-26 14:39:02 +00:00
Leonardo Alt
d3d77e482c Fix ICE on conditions with tuples of rationals 2020-10-23 14:47:53 +01:00
Martin Blicha
ade3b9951c [SMTChecker] Added support for selector when expression's value is known at compile time 2020-10-22 14:18:52 +02:00
Leonardo Alt
b087fa9750 [SMTChecker] Fix ICE implicit conversion string literal -> byte 2020-10-21 22:03:01 +01:00
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
8d7bdcaba7
Merge pull request #10036 from ethereum/smt_cli_option 
Add CLI option to choose model checker engine
 2020-10-16 16:37:33 +01:00