mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-24 01:25:31 +00:00
Code Activity
6819 commits 24 branches 48 tags 158 MiB
Commit graph

473 commits

Author SHA1 Message Date
Nikolaj Bjorner
911b24784a merge LRA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-09 10:46:11 -07:00
Nikolaj Bjorner
ed0b2be618 fix bug in tracking levels of variables: levels are not cleared, only truth assignment 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-02 14:10:07 -07:00
Nikolaj Bjorner
a048d74bae adding interval designator to output of non-optimal objectives, fix python doc test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-26 14:05:33 -07:00
Nikolaj Bjorner
e4b9080165 include timeout/rlimit parameters in optmize 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-15 15:04:13 +08:00
Nikolaj Bjorner
c99205fa7e return box model based on index. Issue #955 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-31 08:12:53 -07:00
Nikolaj Bjorner
ec47706226 fix constant offset and handling of ite in difference logic optimizer code-path. Issue #946 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-24 02:23:50 -07:00
Nikolaj Bjorner
c56c7fd649 add handlers for dense difference logic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-24 01:31:00 -07:00
Nikolaj Bjorner
a0237ed2a6 fix crash reported in #946 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-16 18:56:43 -07:00
Nikolaj Bjorner
829519b837 fix bug for bit-vector optimization. Issue #928 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-08 10:19:35 +01:00
Nikolaj Bjorner
41e6fafc58 fix bug for bit-vector optimization. Issue #919 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-08 10:07:31 +01:00
Nikolaj Bjorner
e02160c674 expose bounds as vector expressions instead of containing ad-hoc expressions. Issue #911 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-24 11:07:40 -08:00
Nikolaj Bjorner
bd0bd6052a Merge branch 'master' of https://github.com/Z3Prover/z3 2017-02-02 10:19:21 -08:00
Nikolaj Bjorner
9ca52a3361 fix bug in lexicographic handling in maxres: previous assumptions were not committed in corner cases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-02 10:19:11 -08:00
Nikolaj Bjorner
9cfd412cd0 enable pb theory always as pb terms can be introduced during transformations. Issue #884 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 15:28:29 -08:00
Nikolaj Bjorner
0aa912371b Another fix for #847. Reset wmax theory solver state between lex calls, otherwise it uses stale constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-17 14:19:24 -08:00
Nikolaj Bjorner
7df803c131 Fix unsound handling of upper bounds in wmax, thanks to Patrick Trentin for report and careful repros #847 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-15 11:52:48 -08:00
Nikolaj Bjorner
bc6b3007de remove unused features related to weighted check-sat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-13 20:53:22 -08:00
Nikolaj Bjorner
aaf6e67ec8 add restart.max parameter to control cancellation based on restart count 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-25 17:43:47 -08:00
Nikolaj Bjorner
2bd29548da improve parser error message over API, streamline names of statistics for arithmetic solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-25 17:27:56 -08:00
Nikolaj Bjorner
1787fa8296 remove redundant disjunction in compilation of at-most-1 constraints, log mutexes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-22 20:54:09 -08:00
Nikolaj Bjorner
2307a7ffa7 fix bug in handling of repeated soft constraints. #815 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-11 10:19:57 +01:00
Nikolaj Bjorner
dea3b8ddf7 address warnings from #836 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-10 13:14:36 +01:00
Nikolaj Bjorner
0ab2067b69 produce error message for cores with optimization. Issue #825 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-09 13:15:40 +01:00
Nikolaj Bjorner
024082a45f adding preferred sat, currently disabled, to wmax. Fixing issue #815 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-30 09:52:05 -08:00
Nikolaj Bjorner
df0e3a100c tune initialization for wmax and sortmax 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 08:04:06 -08:00
Nikolaj Bjorner
ea601dd403 fix and coallesce clique functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 03:55:48 -08:00
Nikolaj Bjorner
e9db934f1a improving perf of mutex finding, revert semantics of 0 timeout to no-timeout. Issue #791 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-17 04:26:17 +02:00
Nikolaj Bjorner
e21bd8dacc fix lexicographic combinations for wmax: pb constrsaints were not interpreted in Boolean benchmarks. #782 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-15 15:07:05 +02:00
Nikolaj Bjorner
84172302a2 fix bug in mutex extraction, reported by Patrick Trentin 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 00:16:16 +01:00
Nikolaj Bjorner
ba942af5a8 disable sat solver when proofs are turned on. Fixes issue #768 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-31 23:27:39 +01:00
Nikolaj Bjorner
3778048eb4 add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-23 20:31:59 -07:00
Nikolaj Bjorner
23b9d3ef55 fix at-most-1 constraint compiler bug 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-22 18:50:16 -07:00
Nikolaj Bjorner
8d2b70a5e2 better encodings for at-most-1, #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-10 23:46:03 -07:00
Nikolaj Bjorner
619cce0a52 add mutex preprocessing to maxsat, add parsing functions to C++ API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-07 12:42:08 -07:00
Nikolaj Bjorner
f452895f5f add mutex pass 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-04 14:45:23 -07:00
Nikolaj Bjorner
e3f0aff318 address ubuntu warning and add shortcuts for maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-03 16:22:13 -07:00
Nikolaj Bjorner
b2db2f1eb6 allow negative weights for weighted maxsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-02 10:21:58 -07:00
Nikolaj Bjorner
527c5191a6 Add C++ functions for set operations per stackoverflow post, set relevancy = 2 for quantified maxsmt per example from Aaron Gember, fix conversion of default weights based on bug report from Patrick Trentin on maxsat. Annotating soft constraints with weight=0 caused the weight to be adjusted to 1 and therefore produce wrong results 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-09-21 12:24:24 -07:00
Nikolaj Bjorner
491b3b34aa tune consequence finding. Factor solver pretty-printing as SMT-LIB into top-level 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-03 11:14:29 -07:00
Nikolaj Bjorner
cb2d8d2107 add detection of non-fixed variables to consequence finding 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-30 19:12:41 -07:00
Nikolaj Bjorner
56c78753f0 updating default solver selection. Add dt2bv transformation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-24 18:16:32 -07:00
Nikolaj Bjorner
3581f6de42 remove stale SLS option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-21 18:18:42 -07:00
Nikolaj Bjorner
f522d995d1 apply 'to-real' coercion only on integers. bug reported by Geoff 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-20 19:03:25 -07:00
Nikolaj Bjorner
4f5b0667ef fix rounding mode for pseudo-boolean constraint creation, Issue #683 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-07-14 12:34:18 -07:00
Nikolaj Bjorner
5d5004193b avoid crash on box models under cancellation. Issue #654 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-29 04:54:31 -07:00
Nikolaj Bjorner
0fdf01e410 avoid crash on box models under cancellation. Issue # SASSERT(!m_box_models.empty()); 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-29 04:53:28 -07:00
Nikolaj Bjorner
c72ed3e6b4 update core minimization code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-23 21:39:28 -07:00
Nikolaj Bjorner
5b497b6249 reduce set of mainly verbose warnings raised by -Wmaybe-uninitialized and unused variable warnings from release mode builds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-22 20:25:47 -07:00
Nikolaj Bjorner
9c099d6b1b fix mb maximization logic, so far not accessible 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-20 16:39:03 -07:00
Nikolaj Bjorner
c7ff05cc78 enable core minimization with qsat in case it turns out to be useful 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-06-12 15:58:12 -07:00