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55 Commits

Author SHA1 Message Date
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
646be53f2f Sort variables and expressions by AST id 2020-11-06 11:50:43 +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
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
Martin Blicha
f0d81601db [SMTChecker] Adding division by zero checks in the CHC engine 2020-10-21 14:48:33 +02:00
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
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
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
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
Leonardo Alt
8a06041bbe [SMTChecker] Add underflow/overflow target to CHC 2020-08-14 12:58:27 +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
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
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
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
Leonardo Alt
bca43586c6 [SMTChecker] Remove redundant CHC constraints 2020-04-15 18:11:39 +02:00
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
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
Leonardo Alt
e3652627fd [SMTChecker] Fix ICE in CHC when function used as argument 2019-11-13 15:11:30 +01:00
Leonardo Alt
6b10efff8c Add CHCSmtLib2Interface 2019-11-07 11:12:11 +01:00
Leonardo Alt
c5e081dc8c [SMTChecker] Refactor CHC loops and add if blocks 2019-11-05 09:28:59 +01:00