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13711 commits 29 branches 52 tags 172 MiB
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3197 commits

Author SHA1 Message Date
Nikolaj Bjorner
e8a9e1a58b set default rewriter behavior in incremental mode to distribute multiplication over addition #1373 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 20:04:55 -08:00
Nikolaj Bjorner
c1c1b7378c removing axiom exposing unsoundness, replace by weaker axiom 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 19:44:16 -08:00
Nikolaj Bjorner
f0a30ded7d add shorthand for translating models #1407 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-01 19:25:09 -08:00
Simon Cruanes
cfcff78754 validate unsat cores in recfun 2017-12-25 23:35:54 +01:00
Simon Cruanes
f7e5977b9e fix memleak 2017-12-25 22:51:40 +01:00
Simon Cruanes
35c802d869 simplify and strenghten some code 2017-12-25 22:51:39 +01:00
Simon Cruanes
0c753aa86a fix bugs related to backtracking and restarts 2017-12-25 22:51:39 +01:00
Simon Cruanes
b877bd8286 debug messages and gating 2017-12-25 22:51:39 +01:00
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