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87 Commits

Author SHA1 Message Date
chriseth
e3525b81d0 Supply scanner to model checker. 2021-07-14 15:12:10 +02:00
Leo Alt
bf21cd400c Fix conversion from bytes to fixed bytes 2021-06-01 17:55:18 +02:00
Leonardo Alt
4b2ccf2f37 Abstract function smtchecker natspec 2021-05-11 15:30:19 +02:00
Leonardo Alt
dd1865873e Choose contracts to be analyzed by the SMTChecker 2021-04-21 10:34:14 +02:00
Leonardo Alt
095d337140 Basic support to free constants 2021-04-19 19:23:18 +02:00
Leonardo Alt
4e34359063 Basic support to free functions 2021-04-19 19:23:18 +02:00
Martin Blicha
330fb8f4d0 [SMTChecker] Assignment refactoring 2021-03-31 13:36:50 +02:00
Martin Blicha
2d231f1859 [SMTChecker] Changed SMTEncoder::mergeVariables to work regardless which branch has been visited first 2021-03-30 20:35:44 +02:00
Leonardo Alt
ba97d6ac4e Add local vars to cex 2021-03-30 17:55:21 +02:00
Leonardo Alt
dbd067d6db Report out of bounds index access 2021-03-30 10:28:48 +02:00
Mathias Baumann
e197ebbdd1 Replace TypePointer with Type const* 2021-03-23 11:47:19 +01:00
Martin Blicha
432944d0b4 [SMTChecker] Small refactoring of defining SMT expressions for structs/tuples 2021-03-16 15:34:43 +01:00
Martin Blicha
385a664f3c [SMTChecker] Fix public getter for array of structs. 2021-03-08 17:34:20 +01:00
Martin Blicha
41fc59f00f [SMTChecker] Ensure that push to a string casted to bytes is registered in the original string 2021-03-03 17:11:42 +01:00
Martin Blicha
f1013427a7 [SMTChecker] refactoring the accessing the encoding state 2021-02-03 15:53:58 +01:00
Leonardo Alt
545305a31f [SMTChecker] Fix super and virtual 2021-01-28 18:51:29 +01:00
Martin Blicha
484e67815a [SMTChecker] Basic support for inline assembly using over-approximating analysis 2021-01-26 16:20:50 +01:00
Leonardo Alt
3b23cadbdc Add CLI and JSON option to select SMTChecker targets 2021-01-20 17:35:37 +01:00
Martin Blicha
7c6340fe4f [SMTChecker] Refactoring expression to tuple assignment 2021-01-12 17:15:14 +01:00
Martin Blicha
dd43ce1578 fixing try/catch encoding for BMC, refactoring 2021-01-11 13:36:03 +01:00
Martin Blicha
0f3924186e [SMTChecker] Support try-catch in CHC engine 2021-01-11 13:36:02 +01:00
Leonardo Alt
78d55e6b4a [SMTChecker] Support check/unchecked 2020-12-30 12:14:30 +01:00
Leonardo Alt
9482e7de23 [SMTChecker] Fix calls to virtual/overriden functions 2020-12-29 11:25:20 +01:00
Martin Blicha
d90b9da4f0 [SMTChecker] Refactoring 2020-12-22 13:10:48 +01:00
Martin Blicha
87ef0e16f5 [SMTChecker] Fix virtual modifier called statically 2020-12-21 13:52:28 +01:00
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
Leonardo Alt
f5c96ea6da Fix constant evaluation build 2020-12-16 17:59:00 +01:00
Leonardo Alt
80e85b772b [SMTChecker] Apply const eval to arithmetic binary expressions 2020-12-16 14:58:00 +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
2ee633f404 [SMTChecker] Added support for public getters through this. 2020-12-02 16:06:48 +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
Martin Blicha
80d743426f [SMTChecker] Added support for struct constructor. 2020-11-23 13:45:17 +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
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 Alt
1dbd8f8d67 Fix CHC false positives when using branches inside modifiers 2020-11-04 21:47:07 +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
4755cfe157 Fix assignment to contract member access 2020-10-26 14:39:02 +00:00
Leonardo Alt
b087fa9750 [SMTChecker] Fix ICE implicit conversion string literal -> byte 2020-10-21 22:03:01 +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
Martin Blicha
78c8fbc7ce [SMTChecker] encoding division and modulo operations using slack variables 2020-10-16 16:06:31 +02:00
Leonardo Alt
54f76e081a [SMTChecker] Support crypto functions in CHC 2020-10-16 14:57:13 +01:00
Djordje Mijovic
e23d8f5593 [SMTChecker] Supporting inline arrays. 2020-10-12 16:59:14 +02:00
Leonardo Alt
352cce5fc8 [SMTChecker] Support addmod and mulmod. 2020-09-29 12:45:19 +02:00
Alex Beregszaszi
9f3d5d3e2f [SMTChecker] Implement support for memory allocation 2020-09-25 15:56:24 +01:00
Djordje Mijovic
773e000227 [SMTChecker] Implementing compound bitwise And/Or/Xor operators 2020-09-23 11:31:37 +02:00
Leonardo Alt
23ee011c56 [SMTChecker] Fix imports 2020-09-11 13:34:46 +02:00
Leonardo Alt
bd0c46abf5 Remove unreachable/redundant error messages 2020-09-03 15:19:03 +02:00