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3822 commits

Author SHA1 Message Date
Nikolaj Bjorner 5b50d98b89 ensure that seq rewriter gets invoked during pre-processing
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-06 16:13:31 +00:00
Nikolaj Bjorner eae17a43a2 Fix #430: disable rewriting of concatentations with constants because it breaks equality propagation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-05 11:00:17 +00:00
Nikolaj Bjorner cf970fd76a Fix #430: disable rewriting of concatentations with constants because it breaks equality propagation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-05 10:59:24 +00:00
Nikolaj Bjorner 2a65503235 fix #425 and report from Patrick Trentin of same bug in preprocessing soft constraints that are simplified to true/false
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-04 22:35:02 +00:00
Nikolaj Bjorner 768bb84798 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-04 08:12:56 -08:00
Nikolaj Bjorner 9c7e5c37d1 add equality propagation based on partial length information to sequence theory. Fix issue #429
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-04 08:12:46 -08:00
Christoph M. Wintersteiger 4e37821dde "canceled" -> Z3_CANCELED_MSG
Relates to #431
2016-02-04 13:52:43 +00:00
Nikolaj Bjorner 9b979b6e1e more string optimizations based on Chris' examples
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-01 17:08:11 -08:00
Nuno Lopes 16a69e750a fix break in configure 2016-02-01 17:38:14 +00:00
Nuno Lopes ea55bd495f add new API function Z3_get_estimated_alloc_size() that returns *estimated* allocated memory size by Z3
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
2016-02-01 17:19:55 +00:00
Nuno Lopes b9c0578eea fix build on C++98 compilers 2016-02-01 17:12:22 +00:00
Nikolaj Bjorner fe6799699c Merge branch 'master' of https://github.com/Z3Prover/z3 2016-02-01 07:51:26 -08:00
Nikolaj Bjorner 995a2e1a29 perf tuning based on Chris's examples
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-01 07:51:05 -08:00
Nuno Lopes cc6769c866 improve bit-blasting for the case (bvsrem var power-of-two)
We will now transform bvsrem into an extract + zero extend
Gives ~40% speedup in selected benchmarks

Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
2016-02-01 13:46:55 +00:00
Nikolaj Bjorner 2115111dac update display method for datalog to use predicates, throttle use of extensionality
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-28 20:23:06 -08:00
Nikolaj Bjorner 847607bda7 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-28 08:51:40 -08:00
Nikolaj Bjorner 30f8110488 fix bugs exposed by Chris' sequence unit tests. Improve diagnostics for reason-unknown in combined solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-28 08:51:04 -08:00
Nikolaj Bjorner b352d43e50 fix bugs exposed by Chris' sequence unit tests. Improve diagnostics for reason-unknown in combined solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-28 08:50:13 -08:00
Christoph M. Wintersteiger 20df9e1cd1 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-28 11:14:11 +00:00
Christoph M. Wintersteiger 5f0ea74e89 Made ufbv-rewriter tactic public 2016-01-28 11:14:01 +00:00
Nikolaj Bjorner 512aa0e8d3 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-27 14:47:24 -08:00
Nikolaj Bjorner 87228b6a9d add a little more verbiage to description of simplify. Issue #424
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-27 14:47:15 -08:00
Nuno Lopes ac2e8f8b57 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-27 18:09:36 +00:00
Nuno Lopes ee2bae898a remove unused exceeded_memory_allocations class 2016-01-27 18:09:24 +00:00
Nikolaj Bjorner 6529d43fb1 fix bugs exposed by unit tests from Pierre
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-26 09:50:14 -08:00
Nikolaj Bjorner 8e378062e2 add get-some-value to seq API, expose quantifier tactics
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-26 08:05:44 -08:00
Nikolaj Bjorner 345f6e87bd seq bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-26 07:21:31 -08:00
Nikolaj Bjorner 924f03c6de fixing bugs in seq
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-23 10:38:49 -05:00
Nikolaj Bjorner 993a0434b4 fix warning message for unused variable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-19 23:47:35 -05:00
Nikolaj Bjorner 099e572a26 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-19 19:10:08 +01:00
Nikolaj Bjorner a021e51a9c make parse error a bit more informative
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-19 19:09:41 +01:00
Nuno Lopes 23cc8258fe remove m_ast_lim from API context since that one isn't used either
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
2016-01-19 15:37:58 +00:00
Nuno Lopes 1f872e720d remove m_replay_stack from API context since it's never used
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
2016-01-19 15:19:00 +00:00
Nikolaj Bjorner d9e4648d8d Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-19 13:57:59 +01:00
Nikolaj Bjorner cccd502a4d bug-fixes to sequence theory
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-19 13:57:47 +01:00
Christoph M. Wintersteiger 4dba5270ad Efficiency fix for fp.div. 2016-01-18 18:09:29 +00:00
Christoph M. Wintersteiger 99176cca60 Bugfix for FP model converter. 2016-01-18 18:00:04 +00:00
Nikolaj Bjorner c9373ebc9f fix axiomatization for at
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-18 12:01:15 +05:30
Nikolaj Bjorner 6aed3c3a44 Merge branch 'master' of https://github.com/Z3Prover/z3 2016-01-18 11:09:52 +05:30
Nikolaj Bjorner 85d44c5d66 fix axioms for extract, add extensionality checking for shared variables, convert exceptions to unknown status per #419
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-18 11:09:41 +05:30
Christoph M. Wintersteiger 99d2ab4e8e Undid previous update of SMT2 scanner to support the new SMT2.5 string escaping. 2016-01-17 14:24:02 +00:00
Christoph M. Wintersteiger 01cb20e098 Fix for escape sequences in SMT2 scanner 2016-01-16 13:53:29 +00:00
Nikolaj Bjorner 88362a1c3a fix bugs in sequence extraction from NFA
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 16:32:43 +05:30
Nikolaj Bjorner 14c19fe928 add parameter validation to sequence expressions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 10:39:21 +05:30
Nikolaj Bjorner 150c5c283d update re simplification
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 10:11:39 +05:30
Nikolaj Bjorner a295dd48dc add seq_rewriter to model_evaluator, remove th_rewriter additional step in validator
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 04:02:48 +05:30
Nikolaj Bjorner 7cbd59bf06 enhance model validation to invoke rewriter if result isn't true using the simplify-based model evaluator
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 03:40:33 +05:30
Nikolaj Bjorner 01fd3c919b fix tout -> out. Tune generation of automata transitions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 03:32:27 +05:30
Nikolaj Bjorner 2d41b0e29b fix tout -> out. Tune generation of automata transitions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-01-15 03:31:30 +05:30
Christoph M. Wintersteiger 0f082578cb Debug-fix for theory_seq. Fixes #418. 2016-01-14 13:07:48 +00:00