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19923 commits 49 branches 53 tags 182 MiB
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1549 commits

Author SHA1 Message Date
Nikolaj Bjorner
ef7915858b add filter to detect circumventing the default semantics of bit-vector division with the use of the sat-based bit-vector solver. Provides a way to fix issue #190 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-24 16:27:07 -07:00
Nikolaj Bjorner
76c9abada2 remove dbg pp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 11:00:19 -07:00
Nikolaj Bjorner
546a9b8f03 revising pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 10:53:39 -07:00
Nikolaj Bjorner
980e74b4ff add tactic to recognize small discrete domains and convert them into bit-vectors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-20 06:39:11 -07:00
Nikolaj Bjorner
40eb7c9c84 fix 0-1 translation bug reported by Klaus Becker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-10 16:21:02 +02:00
Nikolaj Bjorner
aa431bb67f ensure pb on lex > 1 constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-08 14:10:11 +02:00
Nikolaj Bjorner
8505ca843b recognize more pb patterns 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-08 13:39:39 +02:00
Nikolaj Bjorner
f96c0b6963 fixes #186, remove ite-lifting from opt_context to detect weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-06 11:52:59 +02:00
Nikolaj Bjorner
4bc044c982 update header guards to be C++ style. Fixes issue #9 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-08 23:18:40 -07:00
Nikolaj Bjorner
f145ceecb4 remove default failure on proof mode fixes #121 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-07-08 22:12:41 -07:00
Nikolaj Bjorner
7b918e83c3 fix distribute forall, fixes issue #138 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:16 +01:00
Nikolaj Bjorner
020620aadd disable qf-ufnra tactic from default for testing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:16 +01:00
Nikolaj Bjorner
8df919b6bb fix mixed integer/real bugs for maximization exposed by non-termination in slow.smt. partially fixes issue #56 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:15 +01:00
Nikolaj Bjorner
aa4b9e68d7 exposing facility to extract dependent clauses 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:14 +01:00
Nikolaj Bjorner
38113e8434 include statistics from sub-modules for QF_UFNRA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:13 +01:00
Nikolaj Bjorner
158a5dd2db add count of memory allocations and way to limit allocations globally. Fix purification in nlsat_smt to fix regressions on QF_UFNRA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:12 +01:00
Nikolaj Bjorner
45d2ffa38c hide new behavior until tested 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:10 +01:00
Nikolaj Bjorner
5aee077d55 enable incremental sat for QF_BV 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-24 17:06:10 +01:00
Christoph M. Wintersteiger
9a62d989e6 Revert "Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable" 
This reverts commit d3db21ccde, reversing
changes made to e463d5d899.
 2015-06-24 17:06:04 +01:00
Aleksandar Zeljic
66e585e817 Merge branch 'unstable' of https://github.com/AleksandarZeljic/z3 into smallFloats 2015-06-12 18:35:59 +02:00
Aleksandar Zeljic
421b3af8bd Minor additions and cleanup to the outdated code. 2015-06-12 18:35:32 +02:00
Christoph M. Wintersteiger
28fce367b1 Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-06-12 13:00:06 +01:00
Christoph M. Wintersteiger
f84d6bf5bb Bugfix for QF_FP tactic 2015-06-12 12:58:07 +01:00
Aleksandar Zeljic
f45fcbe282 Added support for patching of models containing toIntegral, max, min. 2015-06-12 11:47:58 +02:00
Christoph M. Wintersteiger
2c2a77174c Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-06-11 16:57:46 +01:00
Nikolaj Bjorner
b08ccc7816 added missing Copyright forms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-06-10 11:54:02 -07:00
Aleksandar Zeljic
08b3f9b46e Removed the fpa2bv_porec model converter which was outdated and causing evaluation bugs. 2015-06-10 19:57:32 +02:00
Aleksandar Zeljic
a37ec41370 Buggy version, a full model is found but evaluation finds it to be invalid. 2015-06-09 21:16:53 +02:00
Christoph M. Wintersteiger
f920644892 Parameter fix for the qflia default tactic 2015-06-08 15:37:17 +01:00
Christoph M. Wintersteiger
24a5ff825a Fixed collect_param_descrs in pb2bv tactic. 2015-06-08 15:36:00 +01:00
Christoph M. Wintersteiger
3e1042c680 Exported the quasi-pb probe as per user request. 2015-06-08 15:35:29 +01:00
aleze648
444dc0ed0a Added missing cases for positive zero, negative zero and is positive. 2015-06-07 05:31:10 -07:00
Nuno Lopes
2733899c01 remove unused var 
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
 2015-06-05 09:30:44 +01:00
Christoph M. Wintersteiger
c910ed2eae fpa2bv_approx: bugfix for fp.abs 2015-06-02 18:40:11 +01:00
Christoph M. Wintersteiger
610c549104 fpa2bv_approx: added fp.abs, fixed rounding mode model extraction 2015-06-02 18:17:49 +01:00
Christoph M. Wintersteiger
65a6845945 Bugfix for fpa2bv_converter_prec 2015-06-02 17:19:31 +01:00
Christoph M. Wintersteiger
a07cba72bc eliminated unused variables 2015-06-02 17:15:07 +01:00
Christoph M. Wintersteiger
8f388d83a2 Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-06-02 17:00:44 +01:00
Nikolaj Bjorner
7161d6c150 fixes crash from issue #119 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-06-02 08:48:37 -07:00
Christoph M. Wintersteiger
5ae2dd9c74 Bugfix for QF_FP default tactic. 2015-05-30 15:20:07 +01:00
Christoph M. Wintersteiger
fec815b41e Various variable renamings to avoid conflicts with previously defined local variables, function parameters, or members (Visual Studio 2015 warnings). 2015-05-29 18:13:39 +01:00
Christoph M. Wintersteiger
ba88648468 Added has_fp_to_real probe to detect when QF_FP need QF_NRA. 2015-05-29 14:49:53 +01:00
Christoph M. Wintersteiger
85419ca503 Added branch into QF_NRA from QF_FP problems containing to_real terms. 2015-05-29 14:21:27 +01:00
Christoph M. Wintersteiger
f2f6fc1994 Added QF_BVFP logic alias for QF_FPBV 2015-05-29 13:58:23 +01:00
Aleksandar Zeljic
13eac21b2c Introduced an empty dep2asm_map. 2015-05-28 18:09:18 +02:00
Aleksandar Zeljic
f6f16c1e92 Added smallFloats files. 2015-05-28 14:31:34 +02:00
Christoph M. Wintersteiger
98975e5187 Reordered the default qflia probe to be checked before the more permissive qfauflia. 2015-05-27 14:47:24 +01:00
Christoph M. Wintersteiger
8fc0ba0ab5 Moved auxiliary fp.isNaN lemma injection to the right place. 
Fixes #102
 2015-05-22 12:33:53 +01:00
Christoph M. Wintersteiger
6f575689b1 Added injection of auxiliary lemmas for fp.isNaN, so that the value propagation can pick up these values and propagate them. 
Fixes #96.
 2015-05-21 19:02:09 +01:00
Nikolaj Bjorner
203c5015c8 fix debian amd64 warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-05-18 15:17:21 -07:00