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15932 commits

Author SHA1 Message Date
Jakob Rath
23a747235d Some assertions are now too strict 
If possible, we should set the new constraint to l_true;
and revert most of this change later.
Or we adjust the conflict invariant:
- l_true constraints is the default case as before,
- l_undef constraints are new and justified by some side lemma, but
  should be treated by the conflict resolution methods like l_true
  constraints,
- l_false constraints are disallowed in the conflict (as before).
 2022-10-07 16:24:14 +02:00
Jakob Rath
74b53c3323 Fix checking of lemma invariant 2022-10-07 16:20:44 +02:00
Jakob Rath
8333664433 Simplify handling of side lemmas in conflict 2022-10-07 16:19:41 +02:00
Jakob Rath
8b4a36e3bd Simplify clause_builder 2022-10-07 15:22:49 +02:00
Nuno Lopes
661a1624b4 avoid string copying in mpf_manager::set 2022-10-07 14:03:13 +01:00
Jakob Rath
e18bc46de1 Move on_scope_exit to util.h 2022-10-07 14:23:26 +02:00
Jakob Rath
dcd6c01a90 revive polynomial superposition (wip) 2022-10-07 10:34:07 +02:00
Jakob Rath
155b746e03 side lemmas 2022-10-07 10:18:29 +02:00
Jakob Rath
bef1be8cb5 should not happen anymore 2022-10-07 10:11:00 +02:00
Jakob Rath
af368b39c9 less output 2022-10-07 10:10:44 +02:00
Nikolaj Bjorner
5c9f69829b fixes to trim 2022-10-07 09:58:12 +02:00
Nuno Lopes
a792251a82 remove old compat code 2022-10-06 17:22:17 +01:00
Nikolaj Bjorner
9f78a96c1d wip - trim 2022-10-06 18:19:03 +02:00
Jakob Rath
f184545aca Debug dlist insertion 
Found because of assertion failure in
test_polysat::test_fixed_point_arith_div_mul_inverse()
 2022-10-05 17:24:28 +02:00
Nikolaj Bjorner
4e780d0cc8 trim 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-05 05:43:48 +02:00
Nikolaj Bjorner
f8ca692dee fixes to trim 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-05 04:32:00 +02:00
Jakob Rath
e58815884f Remove debugging leftover 2022-10-04 17:10:10 +02:00
Jakob Rath
dc9373dcbd Change old solver::propagate method 2022-10-04 17:09:09 +02:00
Nikolaj Bjorner
c1c659dc93 trying trim 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-04 16:25:40 +02:00
Jakob Rath
a0fe568561 Another possible case for subsumption 2022-10-04 14:13:51 +02:00
Jakob Rath
e18dfb2253 revert_bool_decision 2022-10-04 14:13:39 +02:00
Jakob Rath
ad5c4145c1 pop non-asserting lemmas 2022-10-04 14:10:54 +02:00
Jakob Rath
46c69766d1 output 2022-10-04 14:09:57 +02:00
Jakob Rath
9cc9d1fac4 count 2022-10-04 14:08:44 +02:00
Nikolaj Bjorner
d22c86f9fe init spacer_iuc_solver properly 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-03 15:53:58 -04:00
Nikolaj Bjorner
6e05162df0 update solver only if there is a manager 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-03 15:27:26 -04:00
Nikolaj Bjorner
b03d4e4fc2 update solver only if there is a manager 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-03 15:26:10 -04:00
Nikolaj Bjorner
5b71f7cf9e Merge branch 'master' of https://github.com/z3prover/z3 2022-10-03 15:19:01 -04:00
Jakob Rath
3d27ec41d0 Bring back boolean decisions (wip) 
The backtracking code doesn't know about boolean decisions yet
 2022-10-03 18:36:16 +02:00
Jakob Rath
811843cf45 Fix interval check 2022-10-03 15:35:07 +02:00
Jakob Rath
e09cf4faa5 Remove broken method 2022-10-03 11:05:07 +02:00
Jakob Rath
6caa3ba1b7 Skip redundant intervals in viable::resolve (disabled for now) 2022-10-03 11:03:05 +02:00
Jakob Rath
0b560e5117 Improve sharing 2022-10-03 10:57:56 +02:00
Jakob Rath
cd2d197bb9 Add compact version of std::all_of 2022-10-03 10:55:13 +02:00
Jakob Rath
0bea276e82 Add dll_iterator 2022-10-03 10:54:24 +02:00
Nuno Lopes
be3c7d7115 delete dead code 2022-10-02 21:44:08 +01:00
Nuno Lopes
1eed058b98 use std::move 2022-10-02 21:34:17 +01:00
Nikolaj Bjorner
ad49dd739b initialize variables to avoid warning messages whether real or spurious 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-01 17:08:02 -04:00
Nikolaj Bjorner
cffe5fe1a5 remove debug print 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-10-01 17:05:36 -04:00
Nuno Lopes
24ff0f2d36 attempt to fix cmake build 2022-10-01 21:48:27 +01:00
Naxaes
49ebca6c1c
Fix clang build (#6378) 2022-10-01 14:01:36 +01:00
Nuno Lopes
47e44c5538 fix build 2022-10-01 12:17:15 +01:00
Nikolaj Bjorner
903cddcaaa fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-09-30 17:10:18 -04:00
Nikolaj Bjorner
ab045f0645 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-09-30 16:52:19 -04:00
Nikolaj Bjorner
876ca2f1a5 fix #6371 2022-09-30 14:51:28 -04:00
Nikolaj Bjorner
b9cba82531 work on proof checking 
- add outline of trim routine
- streamline how proof terms are checked and how residue units are extracted.
 2022-09-30 13:04:19 -04:00
Nikolaj Bjorner
ccda49bad5 fix #6376 
have solver throw an exception when user supplies a non-propositional assumption
 2022-09-30 13:03:34 -04:00
Jakob Rath
05442e8788 lemma_invariant 2022-09-30 13:12:47 +02:00
Jakob Rath
5e54cd3e44 Add basic support for not, or, xor, nand, nor via rewriting 2022-09-30 13:02:32 +02:00
Jakob Rath
9b907d709f minor 2022-09-29 18:25:28 +02:00