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5078 commits 23 branches 48 tags 157 MiB
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4107 commits

Author SHA1 Message Date
Nikolaj Bjorner 20bbdfe31a moving remaining qsat functionality over 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 15:35:26 -07:00
Nikolaj Bjorner d614fedde2 more merges with qsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:41:41 -07:00
Nikolaj Bjorner 76d637626a include more qsat features 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:30:24 -07:00
Nikolaj Bjorner c4472ce717 include more qsat features 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:29:23 -07:00
Nikolaj Bjorner f175f864ec merge useful utilities from qsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-19 12:01:44 -07:00
Nikolaj Bjorner f951372f03 fix regression in internalizing bit-vectors, reported by Mikolas Janota 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-18 13:54:42 -07:00
Nikolaj Bjorner b0f65335ab update copyright year 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-17 13:07:40 -07:00
Nikolaj Bjorner ab82fee398 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-17 13:06:21 -07:00
Christoph M. Wintersteiger 94054593a4 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-17 17:52:32 +00:00
Christoph M. Wintersteiger cc04fdbd70 Added eager ackermannization to QF_FP, so that small numbers of unspecified operators are eliminated upfront. 2016-03-17 17:52:26 +00:00
Nuno Lopes f5c4800eec reduce-args: last fix for may_be_unique to support quantified variables in arbitrary exprs 2016-03-17 15:29:48 +00:00
Nuno Lopes facb421398 reduce-args: fix unsoundness 2: f(v + 2), where b is quantified 2016-03-17 13:27:07 +00:00
Nuno Lopes aed4619066 reduce-args: fixed unsoundness introduced in my previous commit 
skip an UF arg if it's quantified
e.g. forall a . f(a, b) -> f(b) (but not f)
 2016-03-17 13:14:43 +00:00
Christoph M. Wintersteiger c8af48d7ef Bugfix for bvurem0 model evaluation (+1 rewriting step) 2016-03-17 13:09:52 +00:00
Nikolaj Bjorner 22cae143b1 Merge pull request #517 from yaqwsx/expr_values_to_int 
Add methods for obtaining numeral values in C++ API
 2016-03-16 20:43:39 -04:00
Andres Nötzli 34da0a32b9 [Z3py] Fix error in FPRef.__neg__() 
`FPRef.__neg__()` did not work previously because it tried to construct an FPRef from an FPRef (`fpNeg()` already returns an FPRef).
 2016-03-16 17:12:45 -07:00
Christoph M. Wintersteiger 6b2d84b2be Fixed model evaluation/simplification for to_ieee_bv. 2016-03-16 17:46:52 +00:00
Christoph M. Wintersteiger 7ec70c1686 bug fixes for unspecified FP results 2016-03-16 16:57:20 +00:00
Christoph M. Wintersteiger db6b9faabc Bugfix for FPA rewriter. 2016-03-16 16:35:45 +00:00
Christoph M. Wintersteiger 778c7fcc64 Bugfix for model evaluator and internal, uninterpreted FPA functions. 
Fixes #518
 2016-03-16 16:17:08 +00:00
Christoph M. Wintersteiger cdc8e1303a Bugfix for fp.to_*_unspecified. 
Fixes #507
 2016-03-16 16:16:29 +00:00
Jan Mrázek 57265f6eb1 Add methods for obtaining numeral values in C++ API 2016-03-16 00:18:49 +01:00
Christoph M. Wintersteiger 99d7a47f82 Bugfixes for unspecified results from fp.to_* (models are still incomplete). 
Relates to #507
 2016-03-15 21:45:54 +00:00
Christoph M. Wintersteiger 3101d281e4 Removed unused variable 2016-03-15 15:12:54 +00:00
Christoph M. Wintersteiger 371573cbff More implementation of fp.to_ieee_bv for unspecified input/output 
Relates to #507
 2016-03-15 15:11:37 +00:00
Christoph M. Wintersteiger a9df4a208f More bugfixes for fp.to_ieee_bv for unspecified input/output. 
Relates to #507
 2016-03-15 14:58:55 +00:00
Christoph M. Wintersteiger ce64999ee2 More bugfixes for fp.to_ieee_bv for unspecified input/output 2016-03-15 14:50:59 +00:00
Christoph M. Wintersteiger 176782d62b Bugfix for fp.to_ieee_bv for unspecified input/output. 2016-03-15 14:38:11 +00:00
Christoph M. Wintersteiger 5463167a84 Bugfix for fp.rem (denormal numbers) 
Fixes #508.
 2016-03-14 15:52:09 +00:00
Nikolaj Bjorner 55956df8d8 remove critical sections that are now redundant due to different cancellation model 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-13 12:10:14 -04:00
Nikolaj Bjorner 3dfc0a93f6 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-13 12:09:25 -04:00
Christoph M. Wintersteiger badf9e6e67 whitespace 2016-03-11 14:05:32 +00:00
Christoph M. Wintersteiger 3e61ee2331 disabled "hardware interpretation" of fp.min/fp.max because the unspecified, standard-compliant behaviour is cheap anyways. 2016-03-11 12:52:00 +00:00
Christoph M. Wintersteiger b5279d1da8 Bugfix for fp.to_ieee_bv. 
Fixes #507.
 2016-03-11 12:35:41 +00:00
Christoph M. Wintersteiger 9dd53c091a guard on m_preprocess in inc_sat_solver 2016-03-11 12:02:49 +00:00
mikolas 419e2c4899 Inc sat for ackr. 2016-03-10 17:36:06 +00:00
Mikolas Janota ae9f369574 Fix in lackr_model_constructor. 2016-03-10 17:36:05 +00:00
mikolas a2140085d6 In lazy ackermannization, collect all conflicting terms in one iteration. 2016-03-10 17:36:03 +00:00
Mikolas Janota 2f8465552c additional logging 2016-03-10 17:36:02 +00:00
Nuno Lopes d6c3260db7 reduce_args_tactic: make it aware that 'a + const' may be a unique value in bv theory 
it allows us to remove UFs that are of the form f(a + 1), f(a + 2), etc..
 2016-03-10 10:15:09 +00:00
Nuno Lopes 0b1b5a4328 fix VS x64 warning 2016-03-10 09:03:24 +00:00
Nikolaj Bjorner 2354e747bf Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-09 21:33:16 -08:00
Nikolaj Bjorner 3d7eb12117 tracking use of assumptions in tactics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-09 21:33:08 -08:00
Nikolaj Bjorner 6ad6998c57 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-03-09 15:53:16 -08:00
Nikolaj Bjorner 03a0a6f6a1 refactor occurrence utility for common use (to be used in ctx_simplifier) per Nuno's suggestion 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-09 15:53:02 -08:00
Nuno Lopes 8b53628d67 remove a few unused decls 2016-03-09 17:01:06 +00:00
martin-neuhaeusser c7a7cc74fa Fix bug in ufbv tactic that enabled ackermannization even if unsat core or proof generation are requested 2016-03-09 14:06:39 +01:00
Nikolaj Bjorner 71fff8ffa2 fix boundary case according to analysis #477, e.g., size = 252, PTR_ALIGNMENT=2, slot_id = 64 = NUM_SLOTS 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-09 00:42:50 -08:00
Nikolaj Bjorner 5db84575f6 fix regression in o7.smt2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-08 22:27:47 -08:00
Nikolaj Bjorner 9743c188da add exception handling for making solver-1 discontinuation transparent, thanks to Martin, #497 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-03-08 17:00:12 -08:00