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Author SHA1 Message Date
Lev 257ba6218f remove gomory.h 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:54:10 -07:00
Lev 22213a9e73 rebase 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:53:54 -07:00
Lev Nachmanson 57357b7ece does not compile 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-14 11:52:44 -07:00
Lev 5dee39721a rebase 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:52:14 -07:00
Lev e705e5a309 branch on inf basic in gomory 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:49:39 -07:00
Nikolaj Bjorner 78950fde17 initialize solver before parse is invoked. Fixes issue reported by Selsam 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-13 19:05:45 -07:00
Nikolaj Bjorner 19d3b5cfd1
Merge pull request #1826 from dselsam/master 
remove duplicate method definitions
 2018-09-13 18:38:17 -07:00
Daniel Selsam 2a8d207bf4 remove duplicate method definitions 2018-09-13 14:31:52 -07:00
Nikolaj Bjorner 6ea4aff622 add validation code for cuts, fix missing unit propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-13 10:47:50 -07:00
Nikolaj Bjorner 4ffd860375 narrowing incorrect lemma generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-11 11:31:19 -07:00
Nikolaj Bjorner 3bf072557e disable branches when arguments are non-integral #1824 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-11 04:14:28 -07:00
Nikolaj Bjorner ef310648ae re-enable dotnet, ci got broken. Related #1815 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-11 03:50:49 -07:00
Nikolaj Bjorner b1423e17a1 Merge branch 'master' of https://github.com/z3prover/z3 2018-09-11 03:14:41 -07:00
Nikolaj Bjorner 36a14a354a disable dotnet in ci script. It seems to get turned on even if dotnet bindings are not requested 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-11 03:14:31 -07:00
Lev Nachmanson da20d949c6
Merge pull request #1823 from levnach/bound_vars 
Create special lemmas for "div"
 2018-09-10 18:47:52 -07:00
Nikolaj Bjorner 445546b684 fix gc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-10 17:20:40 -07:00
Nikolaj Bjorner 18bec88a8a purify non-constant terms by default to enforce theory #1820 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-10 15:52:02 -07:00
Lev Nachmanson f810a5d8c3 remove an assert 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-10 15:22:48 -07:00
Nikolaj Bjorner e818b7bd27 fix #1812 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-10 15:15:00 -07:00
Nikolaj Bjorner a37d05d54b fix #1819 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-10 13:53:44 -07:00
Nikolaj Bjorner def6f19edb
Merge pull request #1818 from mtrberzi/str-const-canonical 
Z3str3/Seq: canonicalize encoding of string constants/symbols
 2018-09-10 13:46:51 -07:00
Lev Nachmanson 813b906341 do not bound all free vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-10 13:43:29 -07:00
Lev Nachmanson 8068c64cab avoid using not initialized variables in theory_lra 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-10 11:02:38 -07:00
Nikolaj Bjorner e61373cd4f Merge branch 'master' of https://github.com/z3prover/z3 2018-09-10 08:57:38 -07:00
Nikolaj Bjorner fae66671d8 fix #1817 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-10 08:57:35 -07:00
Nikolaj Bjorner 67a2a26009 fixing bound detection (#86) 
* fixing bound detection

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* check-idiv bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-09 14:26:46 -07:00
Lev Nachmanson 211210338a bound vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-07 22:00:25 -07:00
Nikolaj Bjorner 1e4681e0bc jscheduler 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-07 16:07:05 -07:00
Nikolaj Bjorner 386cbade89 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-07 16:06:17 -07:00
Nikolaj Bjorner 13abf5c6a6 n/a 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-06 17:49:52 -07:00
Murphy Berzish b09035565a canonicalize encoding of string constants/symbols 2018-09-05 19:04:11 -04:00
Nikolaj Bjorner 1e11b62bc6
Merge pull request #1809 from agurfinkel/deep_space 
Fix performance regression
 2018-09-04 20:35:46 -07:00
Arie Gurfinkel f67346d16e Fix is_infty_level to treat 2^16-1 as infinity 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 5d2f682f7a Enable proof mode in add_cover 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 7bff74dec0 Minor pass on synchronize transform 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 24044429a7 Rename cache to m_cache 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 0516e6f21f Integrating synchronize pass 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 8400122596 mk_synchronize rule transformation 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 3a01fd791b Replace rule API 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 0035d9b8cb Background external invariants 
Background external invariants are constraints that are assumed to be
true of the system. This commit introduces a mode in which
background invariants are used only duing inductive generalization
and lemma pushing, but not during predecessor computation.

It is believed that this will be more efficient used of background
external invariants since they will not be able to disturb how
predecessors are generalized and computed.

Based on a patch by Jorge Navas
 2018-09-04 21:49:59 -04:00
Arie Gurfinkel 533e9c5837 Expand equality literals when eq_prop is disabled 
When equality propagation is disabled for arithmetic,
equality atoms are expanded into inequality for potentially
better generalization with interpolation
 2018-09-04 21:49:59 -04:00
Nikolaj Bjorner f53b7aaca2 fix none-case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-04 15:46:10 -07:00
Nikolaj Bjorner 9ad17296c2 update parameters 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 17:22:48 -07:00
Nikolaj Bjorner c8730daea7 fix memory leak, add strengthening 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 16:56:07 -07:00
Nikolaj Bjorner c39d7c8565 updated resolvents 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 11:17:50 -07:00
Nikolaj Bjorner e8a78ec696 remove std::max for #1752 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 10:24:01 -07:00
Nikolaj Bjorner 85e7b18451 fix name to divisible, guard under smtlib2_compliant as sugguested in #1757 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-01 18:22:10 -07:00
Nikolaj Bjorner 43807a7edc adding roundingSat strategy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-31 20:25:49 -05:00
Nikolaj Bjorner 94ffa3963e fix #1800 by converting large integers to strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-24 16:54:22 +02:00
Nikolaj Bjorner 7230461671 adding properities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-20 23:51:51 +02:00