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Author SHA1 Message Date
Guillaume Bury
0631135bd5 Smt solver with dummy theory now builds 2016-09-12 15:43:57 +02:00
Guillaume Bury
fa8957784a Restored simple expressions for pure SAT 2016-09-12 15:37:06 +02:00
Guillaume Bury
dfff903f8c Removed additional libs. 2016-09-12 15:32:22 +02:00
Simon Cruanes
9baa3f0716 fix bug in add_clause 2016-09-12 10:38:37 +02:00
Guillaume Bury
9d509241ad [WIP] Some drastic cleanup of code 
Some of these changes are to be reverted, among other the structure of
terms used for the instantiation of the pure SAT solver
 2016-09-09 18:09:04 +02:00
Guillaume Bury
954892ac4a [WIP] Strange compiler bug 2016-09-09 12:07:13 +02:00
Guillaume Bury
742f8c469d Added Expr and typing module from ArchSat 2016-09-07 17:58:07 +02:00
Guillaume Bury
18a3478926 Give access to the trail 2016-09-06 14:34:22 +02:00
Simon Cruanes
bb2c931d68 wip 2016-08-24 18:23:01 +02:00
Guillaume Bury
9eee458c2a External.assume no longer needs to catch Unsat 
Following changes to the assume function in internal, it does not raise
Unsat anymore, so there is no reason to try and catch it in external.
 2016-08-19 01:06:22 +02:00
Guillaume Bury
119f3a8566 New function to export a problem to dimacs format 2016-08-18 18:19:14 +02:00
Guillaume Bury
56f98d9a82 Explicit status for local assumption clauses 
Proofs require local assumptions to be recognisable.
Keeping the reason of local assumptions as Bcp simplfies
the code, since a proof is a clause, and allows to not have
to recreate the local unit clause that effectively propagates
the local assumptions.

With this fix, simplification of clauses is not required aymore for
levels between 0 (excluded) and base_level, so the partition function
can be simplified accordingly.
 2016-08-17 19:20:05 +02:00
Simon Cruanes
41557a1509 wip: make SMT great again 2016-08-16 17:20:48 +02:00
Guillaume Bury
ec6ced9809 Unify analyze code for sat and mcsat 2016-08-04 22:16:52 +02:00
Guillaume Bury
7d57b3f1b5 Accept late conflict clauses, closes #4 2016-08-04 21:34:17 +02:00
Simon Cruanes
12fed8a811 do not ask for comparison on terms and formulas 2016-08-03 20:27:51 +02:00
Simon Cruanes
66707b58fc optimize Vec.{get,set} 2016-07-29 23:43:06 +02:00
Guillaume Bury
6f54604dc9 Optim for non-mcsat solvers 2016-07-29 23:20:31 +02:00
Simon Cruanes
7016bb1825 add an inlining parameter for non-flambda versions of OCaml 2016-07-29 23:02:23 +02:00
Simon Cruanes
af55371eb4 change the caching mechanism for var's assignable subterms 2016-07-29 22:50:37 +02:00
Simon Cruanes
c70c102de9 optim in a bottleneck in Vec 2016-07-29 22:50:26 +02:00
Guillaume Bury
5fdffe1f85 Handle new clauses unsat at level >0 && <=base_lvl 2016-07-29 21:00:24 +02:00
Simon Cruanes
6eeaa8513c fix bug 2016-07-29 20:45:30 +02:00
Simon Cruanes
85c290c0ce small changes 2016-07-29 20:15:53 +02:00
Simon Cruanes
672b5945ce expose true_at_level0 in Solver_intf 2016-07-29 17:51:00 +02:00
Guillaume Bury
9d6634d621 Better interface for Msat.Internal 2016-07-29 15:47:51 +02:00
Simon Cruanes
38a6d8c481 small fix 2016-07-29 15:11:53 +02:00
Guillaume Bury
bc200474eb Simpler code for clause simplification 
Simplify_zero is a strict subset of partition_aux
 2016-07-29 14:40:42 +02:00
Guillaume Bury
a32b35e994 Fix proofs with local assumptions 2016-07-29 13:35:05 +02:00
Guillaume Bury
51c76479b9 Better logging in proofs 2016-07-29 12:58:21 +02:00
Simon Cruanes
d6c6331d85 check proofs in test_api 2016-07-28 11:10:31 +02:00
Simon Cruanes
5a04fa49ed for proofs, represent assumptions as propagations 2016-07-28 10:56:19 +02:00
Simon Cruanes
eb14a1e229 fix 2016-07-28 10:47:59 +02:00
Simon Cruanes
ac706f3e56 fix bug 2016-07-28 10:18:07 +02:00
Simon Cruanes
2e8b45edbc many small changes 2016-07-28 00:51:36 +02:00
Simon Cruanes
09b13be78d reflect test_api result in its errcode 2016-07-27 23:24:01 +02:00
Simon Cruanes
98d5074da6 updates to tests 2016-07-27 19:09:11 +02:00
Simon Cruanes
3e54fac7f9 add some tests for the API 2016-07-27 18:54:56 +02:00
Simon Cruanes
73c2500b05 allow propagation of lits under base_level 2016-07-27 18:16:26 +02:00
Simon Cruanes
3e9c0d3a1e forgot to pop before assume 2016-07-27 17:58:15 +02:00
Simon Cruanes
563e9027e1 first draft of replacing push/pop by assumptions 2016-07-27 17:50:03 +02:00
Guillaume Bury
09166d0370 Removed Stack.fold for compat with ocaml < 4.03 2016-07-26 15:35:22 +02:00
Guillaume Bury
3c6da0ffdc Clause buffer must be fitered when popping 
Indeed imagine the following case:
"push; assume [c]; pop; push; solve"
since c has user-level 1, in the current state, it would
have been wrongfully added to the solver state when solve
is run.
 2016-07-26 14:34:42 +02:00
Guillaume Bury
defcb67aad Use a buffer for adding clauses (to avoid exceptions) 2016-07-26 14:22:32 +02:00
Simon Cruanes
c45fe97ebd micro optim on Vec 2016-07-25 13:44:22 +02:00
Guillaume Bury
6757910225 [travis] Ubuntu doesn't have 'time' by default... 2016-07-23 14:47:52 +02:00
Guillaume Bury
e266134efc Try a different source for opam package in travis 2016-07-23 14:39:33 +02:00
Guillaume Bury
e2530a25b7 Forgot to remove the sudo:required 2016-07-23 14:36:19 +02:00
Guillaume Bury
b5f8c7ddf9 Use travis apt addon to install opam 2016-07-23 14:35:23 +02:00
Guillaume Bury
202249d75e Remove travis-ci script. 2016-07-23 14:23:34 +02:00