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18691 commits 23 branches 48 tags 157 MiB
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Author SHA1 Message Date
Nuno Lopes
ca6fed8b25 minor code simplification 2022-12-08 18:20:46 +00:00
Nikolaj Bjorner
33902c7c9e fix parity propagation code, add tail-spin unit tests. The unit tests diverge because conflict resolution removes conflicting literals from the conflict clause before the decision variable gets processed. We have to change how conflict resolution is processed for such conflict clauses 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-08 09:57:38 -08:00
Jakob Rath
3c8718615a yes, no need for plugins to be mutually exclusive 2022-12-08 16:19:11 +01:00
Jakob Rath
5ad961029d Rename revert_decision -> revert_pvar, and enable it. 
Also rename resolve_with_assignment to resolve_evaluated
 2022-12-08 16:19:11 +01:00
Jakob Rath
676aa81c5a Fix test_ineq2 2022-12-08 16:19:11 +01:00
Jakob Rath
a81e05e660 We shouldn't assume that v is assigned 
Happens if it is a viable conflict for v
 2022-12-08 16:19:11 +01:00
Jakob Rath
3fe8f4a0cd minor issue about narrow with first=true 2022-12-08 16:19:11 +01:00
Jakob Rath
85818612fb val_pp 2022-12-08 16:19:11 +01:00
Nikolaj Bjorner
28fb67219e fix new (and unused) function for extracting min parity of a polynomial 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-08 07:13:31 -08:00
Nikolaj Bjorner
8981d32caf
#6481 2022-12-08 07:06:27 -08:00
Nikolaj Bjorner
acbd60799d add placeholder for factor equality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 20:12:19 -08:00
Nikolaj Bjorner
437f826e8b sketch parity generalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 20:04:58 -08:00
Jakob Rath
55d691e16e enable 2022-12-07 18:45:00 +01:00
Jakob Rath
45e94ae7dd insert_eval 2022-12-07 18:41:42 +01:00
Nikolaj Bjorner
4a451b10d8 add custom coercion for floats. fix #6482 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 09:07:13 -08:00
Nikolaj Bjorner
c45c40e782 doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 08:51:18 -08:00
Clemens Eisenhofer
592791ba34 continue instead of return 2022-12-07 16:55:30 +01:00
Clemens Eisenhofer
c088eb4a26 Readded variable evaluation as fallback for variable elimination 2022-12-07 16:54:39 +01:00
Clemens Eisenhofer
47cb83f578 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2022-12-07 16:35:42 +01:00
Jakob Rath
93ee9c7f8e compile 2022-12-07 16:16:07 +01:00
Jakob Rath
a4adb63662 unit test updates 2022-12-07 16:15:28 +01:00
Jakob Rath
71acba20e2 Assertion was too strong (via test_ineq1) 2022-12-07 16:13:24 +01:00
Jakob Rath
05a1f4d096 Skip try_parity for x==y and y==x 2022-12-07 16:09:10 +01:00
Jakob Rath
85715eb164 Update use of insert_eval and lemma scores to support propagation 2022-12-07 16:08:24 +01:00
Jakob Rath
fca4f18194 p 2022-12-07 12:47:30 +01:00
Nikolaj Bjorner
754cb540d0 disable new code paths for commit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 02:23:43 -08:00
Nikolaj Bjorner
7e69dab8f6 distribute forall cpp code 2022-12-06 18:15:18 -08:00
Nikolaj Bjorner
c33e58ee1a update distribute forall 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 17:59:33 -08:00
Nikolaj Bjorner
80033e8744 cave in to supporting proofs (partially) in simplifiers, updated doc 2022-12-06 17:02:04 -08:00
Nikolaj Bjorner
aaabbfb594 remove comment that does not align with result 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 15:53:55 -08:00
Nikolaj Bjorner
d125d87aed typo 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 15:51:42 -08:00
Nikolaj Bjorner
1e06c7414a add doc 2022-12-06 15:44:21 -08:00
Nikolaj Bjorner
7df4e04a2c add der description 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 05:46:52 -08:00
Nikolaj Bjorner
90ba225ae3 add more doc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 05:39:05 -08:00
Nikolaj Bjorner
fdba85e39f trigger also parity constraints in linear case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 05:18:50 -08:00
Nikolaj Bjorner
ef811a3dd8 add propagation rule for strict inequality to force univariate polynomials 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 04:56:42 -08:00
Nikolaj Bjorner
5a5758baaa add documentation to initial selection of tactics 2022-12-05 20:05:06 -08:00
Nikolaj Bjorner
f1a65d9642 add documentation notes 2022-12-05 20:05:06 -08:00
Nikolaj Bjorner
317edb2b03 add parity propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-05 10:22:18 -08:00
Nuno Lopes
a2f5a5b50b remove memory alloc from statistics_report 2022-12-05 14:29:14 +00:00
Nuno Lopes
eb8c53c164 simplify factory of dependent_expr_state_tactic 
And as a side-effect, remove heap allocations for factories
 2022-12-05 14:07:57 +00:00
Nikolaj Bjorner
de916f50d6 add demodulator tactic based on demodulator-simplifier 
- some handling for commutative operators
- fix bug in demodulator_index where fwd and bwd are swapped
 2022-12-05 03:20:46 -08:00
Nikolaj Bjorner
f2c228f160 update function that propagates bounds on x*y = 0 to be more comprehensive 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-05 01:19:26 -08:00
Nikolaj Bjorner
1d440ac871 try adding unit propagation / distinguish these in saturation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-04 14:22:34 -08:00
Nikolaj Bjorner
87095950cb fix #6477 2022-12-04 13:02:45 -08:00
Nikolaj Bjorner
ead2a46a88 build 2022-12-04 10:38:24 -08:00
Nikolaj Bjorner
b76ed6a47f proper fix to #6476 2022-12-04 10:19:39 -08:00
Nikolaj Bjorner
9b58135876 try to fix linux builds 2022-12-04 09:55:31 -08:00
Nikolaj Bjorner
0f7bebcbed try big M for linux build 2022-12-04 09:49:32 -08:00
Nikolaj Bjorner
1974c224ab add demodulator simplifier 
refactor demodulator-rewriter a bit to separate reusable features.
 2022-12-04 09:39:28 -08:00