Commit Graph

84 Commits

Author SHA1 Message Date
Leonardo Alt
8d087d1889 [SMTChecker] Removing usage of UFs to access SSA indices 2018-04-05 12:48:58 +02:00
Leonardo Alt
9b64dc501d [SMTChecker_Bool] Fix PR review comments: method renaming and solAssert 2018-03-12 20:16:47 +01:00
Leonardo Alt
c2d26eb6a2 [SMTChecker_Bool] Fix PR comments; Add support to gt, ge, lt, le. and tests. 2018-03-12 20:16:47 +01:00
Leonardo Alt
6a940f0a99 [SMTChecker] Support to Bool variables 2018-03-12 20:16:47 +01:00
Leonardo Alt
5d74b862a3 This z3 option is necessary for good solving performance 2018-03-04 14:42:36 +01:00
Leonardo Alt
8b1b4b78c0 Fix PR comments 2018-02-28 18:31:11 +01:00
Leonardo Alt
cff0836c03 Fix PR comments 2018-02-28 18:05:20 +01:00
Leonardo Alt
21c6b80fc9 Supported types listed in SSAVariable 2018-02-28 18:05:20 +01:00
Leonardo Alt
3b2851ee41 Integer min and max values placed under SymbolicIntVar instead of SMTChecker 2018-02-28 18:05:20 +01:00
Leonardo Alt
f41591b3dd [SMTChecker] A little refactoring on SSA vars 2018-02-28 18:05:20 +01:00
Leonardo Alt
d0abc5359b [SMTChecker] Variables are merged after branches (ite variables) 2018-01-04 18:20:12 +01:00
Leonardo Alt
b588134840 [SMTChecker] Fix typo in the code (satisifable->satisfiable) 2017-12-18 17:31:27 +01:00
Leonardo Alt
a1e296e392 [SMTChecker] Helper functions to add an expression to the solver conjoined with or implied by the current path conditions 2017-12-13 17:59:36 +01:00
Leonardo Alt
2af4d7c7dd [SMTChecker] Keep track of current path conditions 2017-12-13 17:39:10 +01:00
chriseth
a256983320 Fix expression creation problems. 2017-11-30 01:20:21 +01:00
chriseth
d160ec8595 Fix signed division. 2017-11-30 01:20:21 +01:00
chriseth
19e067465a Unary operators and division. 2017-11-30 01:20:21 +01:00
chriseth
0e2a9658d2 Explain IntIntFun and merge assertion. 2017-11-23 19:02:47 +01:00
chriseth
762d591a47 Introduce sorts for smt expressions. 2017-11-22 15:20:26 +01:00
chriseth
8538a25f8d Fix problem with non-value-typed variables. 2017-11-22 02:35:34 +00:00
chriseth
19d5c42429 For loop. 2017-11-22 02:35:34 +00:00
chriseth
95a65dc04c Fix boolean constants. 2017-11-22 02:35:34 +00:00
chriseth
22c689d516 Check for conditions being constant. 2017-11-22 02:35:34 +00:00
chriseth
e5de4a66ed Tests. 2017-11-22 02:35:34 +00:00
chriseth
b37377641d Track usage of variables. 2017-11-22 02:35:34 +00:00
chriseth
f62caf587e Handle branches. 2017-11-22 02:35:34 +00:00
chriseth
7d0e46bf59 Merge pull request #3030 from ethereum/smt-variable-types
SMT enforce variable types
2017-10-20 16:55:09 +02:00
Alex Beregszaszi
7a4c165518 Remove unused variable in Z3 2017-10-18 23:18:11 +01:00
chriseth
153ae98878 Catch exception in Z3.
Note: This exception might not be the result of resource limitation,
it might also hint towards usage error.
2017-10-17 18:30:10 +01:00
Alex Beregszaszi
a71c6faf0f Remove duplicate >= in Z3 2017-10-17 18:30:07 +01:00
chriseth
1f97c1ea8f Rename variables in SMT checker. 2017-10-17 18:29:53 +01:00
Alex Beregszaszi
18ae0c3d78 SMT enforce variable types 2017-10-05 12:29:20 +01:00
Alex Beregszaszi
10529e994f SMT should not crash on typecast/structs 2017-10-05 11:41:11 +01:00
Alex Beregszaszi
66b188cce9 Merge pull request #3022 from ethereum/assert
Use solAssert and not assert
2017-10-04 14:11:43 +01:00
Alex Beregszaszi
a9847c9551 Use solAssert and not assert 2017-10-04 13:05:55 +01:00
chriseth
5ee3ceaef7 Remove leftover couts. 2017-09-29 12:44:39 +02:00
Alex Beregszaszi
1c0c5d923a Mark constructors explicit 2017-09-20 01:23:21 +01:00
chriseth
9e63710b8e Remove parameter names for defaulted functions. 2017-08-31 12:16:41 +02:00
chriseth
cf5e1d6120 Review changes. 2017-08-23 17:37:35 +02:00
chriseth
c93f0434cd Use experimental feature pragma for SMT checker. 2017-08-23 17:37:35 +02:00
chriseth
75f09f2a84 Partial support for if statements. 2017-08-23 17:37:35 +02:00
chriseth
5bfd5d98c1 Format numbers more nicely. 2017-08-23 17:37:35 +02:00
chriseth
1e05ebe50e Refactor Z3 read callback. 2017-08-23 17:37:35 +02:00
chriseth
9ac2ac14c1 Rename read file callback. 2017-08-23 17:37:35 +02:00
chriseth
ab5e3a8f6d Introduce native Z3 support. 2017-08-23 17:37:35 +02:00
chriseth
4cea3d4aa4 Insert abstraction layer. 2017-08-23 17:37:35 +02:00
chriseth
c9cf24458b Prepare build system for Z3. 2017-08-23 17:37:35 +02:00
chriseth
b3f8ed457a Cleanup. 2017-08-23 14:24:30 +02:00
chriseth
39fc798999 Use file to communicate with z3. 2017-08-23 14:24:05 +02:00
chriseth
df848859da Rewrite using SMTLIB2 interface. 2017-08-23 14:24:05 +02:00