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Author SHA1 Message Date
Nikolaj Bjorner
75eba45926
Merge pull request #1606 from NikolajBjorner/opt 
This integrates several features and improvements to the SAT and finite domain solver.

- The SAT solver by default handle cardinality and PB constraints using a custom plugin that operates directly on cardinality and PB constraints.
- A parallel mode is available for select theories, including QF_BV. By setting parallel.enable=true Z3 will spawn a number of worker threads proportional to the number of available CPU cores to apply cube and conquer solving on the goal.
- A "cube" interface is exposed over the solver API. 
- Model conversion is first class over the textual API, such that subgoals created from running a solver can be passed in text files and a model for the original formula can be recreated from the result.
- This has also led to changes in how models are tracked over tactic subgoals. The API for extracting models from apply_result have been replaced.
- An optional mode handles xor constraints using a custom xor propagator. It is off by default and its value not demonstrated.
- The SAT solver includes new inprocessing technques that are available during simplification. It performs asymmetric tautology elimination by default, and one can turn on more powerful inprocessing techniques (known as ACCE, ABCE, CCE). Asymmetric branching also uses features introduced in Lingeling by exploiting binary implication graphs.

- A breaking change to the API is that parsers for SMT-LIB2 formulas return a vector of formulas as opposed to a conjunction of formulas. The vector of formulas correspond to the set of "assert" instructions in the SMT-LIB input.
 2018-05-23 08:47:08 -07:00
Nikolaj Bjorner
c963f6f2df merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-23 08:02:16 -07:00
Nikolaj Bjorner
b5100b5b6a Merge branch 'master' of https://github.com/z3prover/z3 2018-05-22 20:02:16 -07:00
Nikolaj Bjorner
363d7aad2a fix bug reported in #1637 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-22 20:02:08 -07:00
Nikolaj Bjorner
50c93d1ad4 merge with 4.7.1 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-22 17:10:36 -07:00
Nikolaj Bjorner
87ae679db6 delay dereferencing justification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-22 17:03:35 -07:00
Nikolaj Bjorner
6938c76950
Merge pull request #1630 from danielschemmel/warnings 
Fix GCC Warnings
 2018-05-20 10:24:05 -07:00
Daniel Schemmel
78087483ca
Add missing include 
The code should not have compiled previously, as smt::context was only forward declared at this point.
 2018-05-20 15:34:01 +02:00
Daniel Schemmel
9c5a0ee810
Remove unnecessary (and confusing) parantheses around variable name in its declaration. 
Also fixes GCC warning [-Wparentheses].
 2018-05-20 15:34:01 +02:00
Daniel Schemmel
f02d031d11
As of GCC8, the throw by value, catch by reference idiom is enforced via -Wcatch-value 2018-05-19 04:39:36 +02:00
Daniel Schemmel
5134c16833
NULL-initialize pointers to help GCC static analyzer Fixes: variable may be used uninitialized 2018-05-19 03:45:05 +02:00
Daniel Schemmel
1cc4a4ccc5
remove unused constructor that would construct lar_constraint in an partly initialized state. Fixes: variable may be used uninitialized 2018-05-19 02:56:46 +02:00
Nikolaj Bjorner
ad973d5c6d Merge branch 'master' of https://github.com/z3prover/z3 2018-05-18 14:31:16 -07:00
Nikolaj Bjorner
d462ed3f00 fix #1621 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-18 14:30:27 -07:00
Nikolaj Bjorner
8302360321 fix #1625 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-18 14:24:12 -07:00
Nikolaj Bjorner
925867dc3e fix #1621 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-18 14:14:00 -07:00
Nikolaj Bjorner
e5b14ab682 fix #1625 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-18 14:03:32 -07:00
Nikolaj Bjorner
dfeb4b5235 updated sat state 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-17 16:45:12 -07:00
Nikolaj Bjorner
1e143971c3 tune for unit test, delay initialize re-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-13 11:49:33 -07:00
Nikolaj Bjorner
a6829ea9d0 Merge branch 'master' of https://github.com/z3prover/z3 2018-05-13 05:40:56 -07:00
Nikolaj Bjorner
f2bee7f16a fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-12 10:03:20 -07:00
Nikolaj Bjorner
9e2625e629 add support for core extraction in parallel mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-12 07:49:11 +02:00
Nikolaj Bjorner
618d394ab5 unreferenced variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-10 09:41:12 +01:00
Nikolaj Bjorner
c151ae98f8 fix osx build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-09 18:20:37 +01:00
Nikolaj Bjorner
2aedaf315a fix removal bug, tune all-interval usage 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-09 16:32:38 +01:00
Nikolaj Bjorner
ad571510f3 disable slow validation code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-09 10:49:32 +01:00
Nikolaj Bjorner
75ae58f49e fix parenthesis 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-09 09:25:01 +01:00
Nikolaj Bjorner
41072e3125 use __builtin_prefetch for clang/gcc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-08 19:09:59 +01:00
corrodedHash
d097d90731 Fixed Segfault when failing to load datalog file 2018-05-08 19:26:14 +02:00
Daniel Schemmel
2d5dd80238
The Permutation Matrix' values function attempted an incorrect conversion. 
This causes compilation with GCC 8 to fail. I suspect it worked previously due to SFINAE.
 2018-05-07 23:33:40 +02:00
Nikolaj Bjorner
ad6e128cab fix if-def 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-07 17:04:02 +01:00
Nikolaj Bjorner
13b54f379c fix ema 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-05 13:58:47 +02:00
Nikolaj Bjorner
43403fafcd adding ema 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-03 13:23:59 -07:00
Nikolaj Bjorner
96914d8578 update model conversion 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-03 11:46:26 -07:00
Nikolaj Bjorner
f59bf4c464
Merge branch 'master' into opt 2018-05-03 08:53:52 -07:00
Nikolaj Bjorner
6e03c7a542 fix #1607 by filtering exceptions when the context is canceled 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-03 03:23:54 -07:00
Nikolaj Bjorner
202d497be8
Merge branch 'master' into opt 2018-05-02 12:32:14 -07:00
Nikolaj Bjorner
1fc1249bef create empty model 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-02 11:28:13 -07:00
Nikolaj Bjorner
6bff15e12e fix #1609 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-02 10:38:46 -07:00
Nikolaj Bjorner
dd6e76478d fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-02 08:51:33 -07:00
Nikolaj Bjorner
c2bf8ef410 resolve 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 15:03:15 -07:00
Nikolaj Bjorner
a07c6e4793 resolve 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 15:02:04 -07:00
Nikolaj Bjorner
ef6339f14c fix build issues 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 12:00:03 -07:00
Nikolaj Bjorner
fa93bc419d fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 10:53:36 -07:00
Nikolaj Bjorner
454d20d23e fix build errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 10:06:54 -07:00
Nikolaj Bjorner
3de2feb84a fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 09:46:54 -07:00
Nikolaj Bjorner
e4d24fd2c3 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 09:39:19 -07:00
Nikolaj Bjorner
bfac44f7ed fix build errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 09:15:53 -07:00
Nikolaj Bjorner
a91d7a7189 fix build errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 09:05:20 -07:00
Nikolaj Bjorner
5ba814b14f try string in pragma 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 08:54:05 -07:00