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16360 commits 49 branches 53 tags 182 MiB
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3889 commits

Author SHA1 Message Date
Simon Cruanes
3b4718b99a simpler conflicts when reaching unrolling limit (just add a clause) 2017-12-25 22:51:39 +01:00
Simon Cruanes
7b1e1d52e7 wip: conflicts for pruning branches with too many unrollings 
use the local assumption on depth to ensure the conflict clause is valid
 2017-12-25 22:51:39 +01:00
Simon Cruanes
06e0b12700 add a predicate for depth limit assumptions 2017-12-25 22:51:39 +01:00
Simon Cruanes
d5e134dd94 wip: add recursive functions 2017-12-25 22:51:39 +01:00
Nikolaj Bjorner
5bc4c9809e initialize additional assumptions after setup_context is called the first time 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-25 12:50:11 -08:00
Murphy Berzish
0ac7082c80 add upper bound refinement (WIP) 2017-12-21 17:13:39 -05:00
trinhmt
57845d4809
Merge pull request #4 from Z3Prover/master 
merge from z3prover/z3
 2017-12-16 20:46:42 +08:00
Thai Trinh
07afce6a64 pass vectors by reference 2017-12-16 20:44:07 +08:00
Thai Trinh
fe503d95ec simplify code 2017-12-15 20:01:03 +08:00
Nikolaj Bjorner
58c6cb87c3 small improvements to QF_NIA tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-14 11:48:22 -08:00
Nikolaj Bjorner
a74d18a695 prepare for variable scoping and autarkies 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-13 20:11:16 -08:00
Nikolaj Bjorner
387e984bd3 Merge branch 'master' of https://github.com/z3prover/z3 2017-12-13 13:48:34 -08:00
Nikolaj Bjorner
5a479fca76 generalize model finder code to be independent of conjunction elimination 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-13 13:48:24 -08:00
Nikolaj Bjorner
7afbf8165e snapshot 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-12 01:36:44 -08:00
Thai Trinh
c07a63cf8e coalesce seq.unit into string in mk_skolem 2017-12-12 05:00:34 +08:00
Nikolaj Bjorner
82c26509ae
Merge pull request #1396 from mtrberzi/substr-bug 
Fix incorrect term in theory_str str.substr reduction
 2017-12-11 12:36:07 -08:00
Murphy Berzish
9d2c86f214 fix incorrect clause in argumentsValid subterm of substr reduction 2017-12-08 20:31:22 -05:00
Thai Trinh
8bf4a15c27 update "seq.align" skolem function 2017-12-09 00:47:48 +08:00
Thai Trinh
a2641909d0 initialize pointers 2017-12-08 19:40:20 +08:00
Thai Trinh
b819b368f1 minor 2017-12-08 19:29:07 +08:00
Thai Trinh
b8ce5509b0 change to "auto" 2017-12-08 19:16:28 +08:00
Thai Trinh
c33dfc80e0 Merge branch 'master' of https://github.com/Z3Prover/z3 into Z3Prover-master 
Conflicts:
	src/smt/theory_seq.cpp
 2017-12-08 19:02:24 +08:00
Nikolaj Bjorner
faebbc5384 add shortcuts for concatenation and equality propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-08 16:17:04 +05:30
Thai Trinh
b181d9d5fa fix set-up 2017-12-08 18:45:56 +08:00
Thai Trinh
3a5c30bd9b use obj_ref_map 2017-12-08 18:36:20 +08:00
Thai Trinh
6253faece7 fixed redundant check 2017-12-08 17:20:30 +08:00
Thai Trinh
7ece37f9a1 added assertions 2017-12-08 17:10:28 +08:00
trinhmt
034e72572f
Merge pull request #1 from Z3Prover/master 2017-12-08 14:42:34 +08:00
Thai Trinh
ff567412c1 Simplify code 2017-12-08 14:26:20 +08:00
Thai Trinh
2c48ffe7a7 Fixed setup_QF_S(): using configuration to choose the corresponding string solver 2017-12-08 13:41:18 +08:00
Nikolaj Bjorner
a5d5dfdf86 fix setup for non-linear real arithmetic per QF_UFNRA regresssions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-08 09:23:57 +05:30
Thai Trinh
b6806eb1c2 Add more splitting rules for string equations (including rules based on length constraints) 2017-12-08 04:34:50 +08:00
Murphy Berzish
9554723b44 use safer mk_and in extended indexof 2017-12-06 20:50:03 -05:00
Nikolaj Bjorner
39d1ad3edb fix #1390 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-12-07 05:15:53 +05:30
Murphy Berzish
a5c828f6f2 length estimation 2017-12-06 18:32:11 -05:00
Murphy Berzish
fbe8d1577e new regex automata start; add complexity estimation 2017-12-04 18:05:00 -05:00
Murphy Berzish
b3ebcfe558 correctly check third argument of str.indexof in theory_str 2017-11-29 18:20:59 -05:00
Nikolaj Bjorner
2749e547cf fix c example, remove more smtlib1 printing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-28 18:14:24 -08:00
Nikolaj Bjorner
d7042c234f fix #1371 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-28 09:34:44 -08:00
Nikolaj Bjorner
2b3ee995ff fix #1375 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-27 09:03:52 -08:00
Nikolaj Bjorner
bfe6260c58 fix #1376 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-27 08:39:20 -08:00
Nikolaj Bjorner
4520fafa8c fix #1368 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-26 19:13:35 -08:00
Nikolaj Bjorner
7d693a5f9f fix different bug reported on #1366 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-25 20:01:14 -08:00
Nikolaj Bjorner
841c48e04d fix break 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-25 18:24:45 -08:00
Nikolaj Bjorner
77b74ddb88 fix #1366 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-25 17:55:20 -08:00
Nikolaj Bjorner
441c0de3c8 Merge branch 'master' of https://github.com/z3prover/z3 2017-11-23 11:17:58 -08:00
Nikolaj Bjorner
357b4b20fd fix #1365. Filter MBQI instantiations for as-array terms that lead the array theory to return unknown and therefore block further instantiations. as-array terms are at this point almost always created from internal model values so quantifier instantiations with these have little value, other than instantiations of other paraameters that may indepdendently help 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-23 11:17:41 -08:00
Nikolaj Bjorner
107bfb1438 print model-add in display method 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-21 21:26:07 -08:00
Nikolaj Bjorner
d520557ad9 fix #1233 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-21 11:52:15 -08:00
Nikolaj Bjorner
c5f231acdf debugging #1233 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-11-21 08:16:41 -08:00