Commit Graph

592 Commits

Author SHA1 Message Date
chriseth
d0551b67d7 Merge remote-tracking branch 'origin/develop' into breaking 2020-12-10 17:07:56 +01:00
Daniel Kirchner
7308abc084 Allow loading Z3 dynamically at runtime. 2020-12-10 16:47:47 +01:00
chriseth
482bda6887 Merge remote-tracking branch 'origin/develop' into breaking 2020-12-10 12:15:52 +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
chriseth
806453aca9 Merge remote-tracking branch 'origin/develop' into breaking 2020-12-08 21:00:09 +01:00
chriseth
b045195c1e Merge remote-tracking branch 'origin/develop' into breaking 2020-12-08 17:42:31 +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
chriseth
bff7254d9e Fix merge conflict. 2020-12-07 13:30:09 +01:00
chriseth
329b8f2a60 Merge remote-tracking branch 'origin/develop' into breaking 2020-12-07 13:04:14 +01:00
Leonardo Alt
7490ffbe13 Use nonlinear clauses instead of inlining for base constructors 2020-12-04 13:25:56 +01:00
chriseth
d56a7bb89e
Merge pull request #10489 from ethereum/develop
Merge develop into breaking.
2020-12-03 18:11:12 +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
chriseth
6de7eaba95 Merge remote-tracking branch 'origin/develop' into breaking 2020-12-01 10:50:13 +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
chriseth
18de8a56c9 Merge remote-tracking branch 'origin/develop' into breaking 2020-11-26 11:48:53 +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
chriseth
253889cbf1 Merge remote-tracking branch 'origin/develop' into breaking 2020-11-24 16:22:03 +01:00
Leonardo Alt
68cfa0a901 Fix spelling in SMTChecker comment 2020-11-23 19:40:29 +01:00
chriseth
a0a02f2307 Merge remote-tracking branch 'origin/develop' into breaking 2020-11-23 19:28:08 +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
chriseth
e8a278eefa Merge remote-tracking branch 'origin/develop' into breaking 2020-11-17 18:51:57 +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
chriseth
14ed67ac4b Merge remote-tracking branch 'origin/develop' into breaking 2020-11-11 20:33:40 +01:00
Alex Beregszaszi
2f899bbffa [SMTChecker] Avoid implicit conversion 2020-11-11 16:29:03 +00:00
chriseth
da92fe548e Merge remote-tracking branch 'origin/develop' into breaking 2020-11-10 13:48:32 +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
chriseth
04195439b7 Merge remote-tracking branch 'origin/develop' into HEAD 2020-11-09 14:28:05 +01:00
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
chriseth
5ffee049fa Merge remote-tracking branch 'origin/develop' into breaking 2020-11-03 14:05:14 +01:00
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
chriseth
e93a84ccd4 Merge remote-tracking branch 'origin/develop' into HEAD 2020-10-28 18:19:31 +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
chriseth
20f39ab6e9
Merge pull request #10097 from ethereum/develop
Merge develop into breaking.
2020-10-23 10:30:24 +02:00
chriseth
bfc8e26007 Remove low-level log functions. 2020-10-22 17:50:14 +02:00
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
chriseth
6979952995 Merge remote-tracking branch 'origin/develop' into HEAD 2020-10-19 18:02:50 +02:00
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
Martin Blicha
78c8fbc7ce [SMTChecker] encoding division and modulo operations using slack variables 2020-10-16 16:06:31 +02:00
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
chriseth
979d3062bc
Merge pull request #10033 from ethereum/develop
Merge develop into breaking
2020-10-14 14:12:20 +02:00
Leonardo Alt
440e5b3935 [SMTChecker] Fix counterexample state reporting 2020-10-13 22:18:43 +01:00
Leonardo Alt
aec456021d Add tx constraints to CHC 2020-10-13 17:49:04 +01:00
Leonardo Alt
a2cdde1191 Add tx data to symbolic state 2020-10-13 17:49:04 +01:00
chriseth
f6e57a0eec
Merge pull request #10023 from ethereum/develop
Merge develop into breaking.
2020-10-13 18:18:53 +02:00
Mathias Baumann
006e5f2e1f Allow path syntax for super constructor calls 2020-10-13 14:32:11 +02:00
Leonardo Alt
1e568d7dc6 [SMTChecker] Fix implicit constructor summary predicate 2020-10-13 09:38:58 +01:00
Djordje Mijovic
e23d8f5593 [SMTChecker] Supporting inline arrays. 2020-10-12 16:59:14 +02:00
Leonardo Alt
18cf01c187 Add this and state to CHC 2020-10-12 11:11:52 +01:00
Leonardo Alt
a86f656704 Refactor state as tuple 2020-10-12 11:11:52 +01:00
Alex Beregszaszi
fedbea46cd [SMTChecker] Support type conversions 2020-10-02 10:26:02 +02:00
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
Alex Beregszaszi
9f3d5d3e2f [SMTChecker] Implement support for memory allocation 2020-09-25 15:56:24 +01:00
Alex Beregszaszi
9c1b041dcb [SMTChecker] Keep constraints of string literals after assignment 2020-09-25 11:32:48 +01:00
Alex Beregszaszi
5090353a1a [SMTChecker] Keep knowledge about string literals 2020-09-25 11:32:23 +01:00
Leonardo
57e1b2cb92
Merge pull request #9881 from ethereum/smt_fixed_bytes_index_access
[SMTChecker] Support fixed bytes index access
2020-09-25 11:32:56 +02:00
Leonardo Alt
df8c6d94e3 [SMTChecker] Support fixed bytes index access 2020-09-25 09:59:38 +02:00
Alex Beregszaszi
6edfdff187 [SMTChecker] Do not warn on "abi" as an identifer
There is an approprate warning for the function call.
2020-09-24 13:57:42 +01:00
Đorđe Mijović
858b4507e2
Merge pull request #9854 from ethereum/bitwiseSmt
[SMTChecker] Support compound shifts and bitwise and, or, and xor
2020-09-23 12:35:48 +02:00
Djordje Mijovic
79f550dba9 [SMTChecker] Supporting compound shift operators. 2020-09-23 11:31:37 +02:00
Djordje Mijovic
773e000227 [SMTChecker] Implementing compound bitwise And/Or/Xor operators 2020-09-23 11:31:37 +02:00
Alex Beregszaszi
709d25bd3d [SMTChecker] Support address type conversion with literals 2020-09-22 18:49:11 +01:00
chriseth
6e2d2feb10 Small fixes wrt ReasoningBasedSimplifier. 2020-09-16 18:08:54 +02:00
Alex Beregszaszi
c8c17b693b [SMTChecker] Support events and low-level logs 2020-09-16 11:50:39 +02:00
chriseth
adccc0608d
Merge pull request #9736 from ethereum/yul_smt
Reasoning based optimizer using integers only
2020-09-15 18:45:55 +02:00