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13676 commits 23 branches 48 tags 157 MiB
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11510 commits

Author SHA1 Message Date
Nikolaj Bjorner d37ebb8309 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-26 21:04:28 -07:00
Nikolaj Bjorner f7a7b9e1f4 fix #4108 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-26 21:04:28 -07:00
Nikolaj Bjorner 735888145e fix #4112 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-26 21:04:28 -07:00
Nikolaj Bjorner c2e0491456 fix #4113 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-26 21:04:28 -07:00
Lev Nachmanson 0499b6b64a some fixes in branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-26 20:35:22 -07:00
Nikolaj Bjorner 029edcfabd fix #4114 2020-04-26 16:17:42 -07:00
Nikolaj Bjorner 51c3778354 fix #4106 2020-04-26 16:17:42 -07:00
Lev Nachmanson 530f77281c fixes in branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-26 16:13:47 -07:00
Nikolaj Bjorner 236edad8dc fix #4111 2020-04-26 14:44:50 -07:00
Nikolaj Bjorner dc852a6f83 fix #4110 2020-04-26 14:13:58 -07:00
Nikolaj Bjorner d3094291d3 fix #4107 2020-04-26 13:45:29 -07:00
Nikolaj Bjorner 16d34b9fcc fix #4100 2020-04-26 13:30:13 -07:00
Nikolaj Bjorner 626d0186c8 fix #4098 2020-04-26 13:17:40 -07:00
Nikolaj Bjorner f9193809ea add recfun rewriting, remove quantifier based recfun 2020-04-26 12:59:51 -07:00
Nikolaj Bjorner 7f1b147cba remove 2020-04-25 15:52:02 -07:00
Nikolaj Bjorner 9f378bb1b9 #4099 2020-04-25 15:51:18 -07:00
Nikolaj Bjorner a884201d62 remove using insert_if_not_there2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-25 15:08:51 -07:00
Nikolaj Bjorner 9ea1cf3c5c na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-25 13:13:25 -07:00
Murphy Berzish 1a5d663138 z3str3: disallow leading zeroes in int-to-string conversion 2020-04-25 13:25:30 -05:00
Murphy Berzish d21911c073 z3str3: fix support for re.complement and re.intersection 2020-04-24 17:49:26 -05:00
Nikolaj Bjorner 785c9a18ca fix #4049 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 11:58:48 -07:00
Nikolaj Bjorner 6ab83466d9 fix #4082 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 11:33:19 -07:00
Nikolaj Bjorner a3844af94b fix #4081 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 10:44:20 -07:00
Nikolaj Bjorner c3b33aae8a fix #4090 fix #4088 fix #4085 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 10:37:43 -07:00
Nikolaj Bjorner 470e87afe9 update rewite modality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 01:12:06 -07:00
Nikolaj Bjorner 851c38f64a fix #4086 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 00:52:02 -07:00
Nikolaj Bjorner 2793c3af2c more replace rewrites #4084 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 00:48:02 -07:00
Nikolaj Bjorner 03ba268219 more replace rewrites #4084 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-24 00:25:36 -07:00
Nikolaj Bjorner 7597396dd0 fix #4080 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 22:58:20 -07:00
Nikolaj Bjorner 6ff61d1f80 fix #4062 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 22:43:14 -07:00
Nikolaj Bjorner eb2d7d3e81 fix #4079 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 22:35:33 -07:00
Nikolaj Bjorner 64cb5cad81 remove spurious output 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 22:12:38 -07:00
Nikolaj Bjorner 04fec3f6a0 fix #4076 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 21:34:20 -07:00
Nikolaj Bjorner cc8cd2cc2f na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 21:28:19 -07:00
Nikolaj Bjorner 9c3f0190f4 fix #4069 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 20:53:13 -07:00
Lev Nachmanson 8c5993d9a6 max term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-23 18:40:16 -07:00
Lev Nachmanson 8921ed56b5 fix a bug in Horner heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-23 15:58:53 -07:00
Nikolaj Bjorner 8f297666fe fix #4073 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-23 11:40:24 -07:00
trinhmt 08290230db
add docs (#4072) 2020-04-23 10:04:10 -07:00
Nikolaj Bjorner 8fe3caa101 throttle digit constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 17:55:18 -07:00
Nikolaj Bjorner c7878e384c fix #4060 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 17:46:16 -07:00
Nikolaj Bjorner 886f4cbee0 fix #4029 - propagate digit literals on all units if they haven't already been propagated 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 14:57:43 -07:00
Nikolaj Bjorner f94abf6512 fix #3978 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:55:10 -07:00
Nikolaj Bjorner caa5b09046 fix #4050 - have to delay model compression because it may use internal symbols that have to be transformed. model compression is used prior to displaying certificate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:33:36 -07:00
Nikolaj Bjorner 95a78b2450
updates to seq and bug fixes (#4056) 
* na

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

* fix #4037

* nicer output for skolem functions

* more overhaul of seq, some bug fixes

* na

* added offset_eq file

* na

* fix #4044

* fix #4040

* fix #4045

* updated ignore

* new rewrites for indexof based on #4036

* add shortcuts

* updated ne solver for seq, fix #4025

* use pair vectors for equalities that are reduced by seq_rewriter

* use erase_and_swap

* remove unit-walk

* na

* add check for #3200

* nits

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

* name a type

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

* remove fp check

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

* remove unsound axiom instantiation for non-contains

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

* fix rewrites

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

* fix #4053

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

* fix #4052

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:18:55 -07:00
Nuno Lopes 5ec04f7fd2 forgot to remove unneeded class field 2020-04-22 15:30:16 +01:00
Nuno Lopes 220bc7fcd9 fix #4048: incorrect bvurem rewrite when divisor=0 
also, always enable this rewrite, since it shrinks formula size globally
 2020-04-22 15:26:30 +01:00
Nikolaj Bjorner dd064a5554 delay digit axioms until solving itos succeeds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-20 00:32:48 -07:00
Nikolaj Bjorner e3e6959b70 fix #4026 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 23:30:37 -07:00
Nikolaj Bjorner c8b9eba069 fix #4028 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 23:10:00 -07:00
Nikolaj Bjorner ad8eb8fdcb #4024 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 22:44:02 -07:00
Nikolaj Bjorner e1fa04b365 disable breaking change to model generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 16:53:20 -07:00
Nikolaj Bjorner eded7d023d fix #4006 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 16:00:03 -07:00
Nikolaj Bjorner f76c6424f2 another memory managment leak fix. Relates to different leak exposed by #3997 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:58:42 -07:00
Nikolaj Bjorner 44957894ea more checks for #4013 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:43:06 -07:00
Nikolaj Bjorner fcc34a07b2 fix #4019 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:36:34 -07:00
Nikolaj Bjorner 339a2568b2 fix #4021 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:18:18 -07:00
Nikolaj Bjorner 79b776fee5 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:00:38 -07:00
Nikolaj Bjorner 19e0285b83 move deep internalization out of theory_seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 11:19:32 -07:00
Nikolaj Bjorner b92b6c0fc6 add missing digit axioms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 11:12:37 -07:00
Nikolaj Bjorner 99c90d2419 fix crash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner 0fe2d3d8b7 more seq overhaul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner a9c4984a16 more seq overhaul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner 76735476d4 fix #3999 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner bcbe802b27 remove buggy bv-trailing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:45:26 -07:00
Nikolaj Bjorner 3e9479d01a a lot of seq churn 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 18:21:40 -07:00
Nikolaj Bjorner b8bf6087ff na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 07:34:46 -07:00
Nikolaj Bjorner a83f72b657 some fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 07:33:43 -07:00
Nikolaj Bjorner 501aa7927d split into seq_axioms and seq_skolem 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 06:14:52 -07:00
Nikolaj Bjorner d5eef9dd8b na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 18:53:00 -07:00
Nikolaj Bjorner 040d4b8d24 fix #3994 remove bogus option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 18:51:52 -07:00
Nikolaj Bjorner 767dff4a5a fix #3903 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 17:55:23 -07:00
Nikolaj Bjorner 19f655c693 fix #3930 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 16:11:00 -07:00
Nikolaj Bjorner dd3e574f81 fix #3983 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 14:03:06 -07:00
Lev Nachmanson 1f23ae8aae fix the test build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Lev Nachmanson 95cb828324 make lar_solver pretty printer const on the solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Lev Nachmanson 5208b64a6b expose only necessary methods of lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Lev Nachmanson 6d8e5400fd return an empty model when the status of the solver is neither FEASIBLE nor OPTIMAL 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Nikolaj Bjorner cb4ceeab3a fix #3985 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 12:04:46 -07:00
Nikolaj Bjorner 206c3e2c38 fix #3979 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 10:54:19 -07:00
Nikolaj Bjorner dde0c514fa warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 17:14:25 -07:00
Nikolaj Bjorner f67077b7ff warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 17:13:02 -07:00
Nikolaj Bjorner d465938496 add lower bounds on lengths if they are not present 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 15:54:40 -07:00
Nikolaj Bjorner e6174c89f3 bail out of mb branching if lengths are not available 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 15:44:17 -07:00
Nikolaj Bjorner 40b4ca7f86 fix #3950 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 15:07:53 -07:00
Nikolaj Bjorner 357ec2fd01 fix #3948 - cache has to be reset also when processing 'and' because it could be processed in an incompatible context by the caller 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 13:29:45 -07:00
Nikolaj Bjorner 2e1e9c9082 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 12:25:07 -07:00
Nikolaj Bjorner 3845e0859c fix #3878 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 12:23:18 -07:00
Nikolaj Bjorner d0f94055e7 fix #3966 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 11:05:02 -07:00
Nikolaj Bjorner 068f65c8ac fix #3967 regression from using rewriter mode that splits strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 10:36:33 -07:00
Nikolaj Bjorner 79a2b52de0 fix #3971 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 10:29:41 -07:00
Nikolaj Bjorner 1ec977930a fix #3972 regression from changing the way assumptions are initialized 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 10:10:07 -07:00
Nikolaj Bjorner 25252af1fc fix #3975 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 08:06:43 -07:00
Nikolaj Bjorner cce27ff65f fix #3976 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 07:53:46 -07:00
Nikolaj Bjorner 164a73febb fixing #3933 - remove unclear code normalizing itos 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-14 19:23:23 -07:00
Nikolaj Bjorner b04c97458d na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-14 17:34:14 -07:00
Nikolaj Bjorner 835b57b775 fix #3961 fix #3940 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-14 17:33:44 -07:00
Nikolaj Bjorner 7ed9996fc0 fix #3962 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-14 11:05:05 -07:00
Nikolaj Bjorner 5f81913292 fix #3951 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-14 10:51:16 -07:00
Nikolaj Bjorner 5e0c34cae2 fix #3953 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-14 09:43:03 -07:00