Kshitij Bansal [Wed, 13 Jun 2012 15:36:03 +0000 (15:36 +0000)]
enable some decision regressions
Kshitij Bansal [Wed, 13 Jun 2012 15:31:38 +0000 (15:31 +0000)]
Make d_result in DE context dependent
(fixes bugs in bv, others with JH on)
Clark Barrett [Wed, 13 Jun 2012 14:25:53 +0000 (14:25 +0000)]
Fixed definition of bvsmod
Kshitij Bansal [Wed, 13 Jun 2012 14:00:35 +0000 (14:00 +0000)]
decision regressions, all but one fail
Clark Barrett [Wed, 13 Jun 2012 13:54:14 +0000 (13:54 +0000)]
Fixes more problems in bv rewrites
Dejan Jovanović [Wed, 13 Jun 2012 11:32:12 +0000 (11:32 +0000)]
!(*child_it).isConst() assertion fail
this is delta minimal with the same assertion
Dejan Jovanović [Wed, 13 Jun 2012 03:58:32 +0000 (03:58 +0000)]
r2.node == response.node failure
Dejan Jovanović [Wed, 13 Jun 2012 03:35:48 +0000 (03:35 +0000)]
r2.node == response.node failure
Dejan Jovanović [Wed, 13 Jun 2012 03:30:51 +0000 (03:30 +0000)]
!current[0].isConst() failure
Clark Barrett [Wed, 13 Jun 2012 02:49:35 +0000 (02:49 +0000)]
Fixes lots of problems in bv rewrite rules and adds lots of assertions
to catch any that I may have missed
Dejan Jovanović [Wed, 13 Jun 2012 02:28:46 +0000 (02:28 +0000)]
benchmark to show that we don't rewrite bvsmod correctly
the definition in smtlib was buggy and was changed on 2011-06-15
check http://goedel.cs.uiowa.edu/smtlib/logics/QF_BV.smt2
Morgan Deters [Tue, 12 Jun 2012 21:29:51 +0000 (21:29 +0000)]
Fix some compile warnings (but they never showed up on church)
Morgan Deters [Tue, 12 Jun 2012 21:11:15 +0000 (21:11 +0000)]
Fix to SMT-LIBv1 parser: QF_UF declares sort "U", but other *UF* logics do not (e.g. QF_UFLIA).
Also fix a syntax error in a regression test (CVC4 is too lenient to catch it though---CVC3 tripped over it).
Also add additional parts for "make submission" in the top-level makefile
Dejan Jovanović [Tue, 12 Jun 2012 20:59:13 +0000 (20:59 +0000)]
missing problems
Dejan Jovanović [Tue, 12 Jun 2012 20:55:02 +0000 (20:55 +0000)]
wrong answer for bv
Clark Barrett [Tue, 12 Jun 2012 20:35:07 +0000 (20:35 +0000)]
Moved some things around in the preprocessor. Now theory preprocessing gets
called before ite simplification unless arithrewriteequality is on
Clark Barrett [Tue, 12 Jun 2012 20:29:28 +0000 (20:29 +0000)]
Fixed fuzzing bug
Tim King [Tue, 12 Jun 2012 19:57:23 +0000 (19:57 +0000)]
Fix to yesterday's change in arithmetic.
Kshitij Bansal [Tue, 12 Jun 2012 19:50:25 +0000 (19:50 +0000)]
bv reduced with decision: sat instead of unsat
Kshitij Bansal [Tue, 12 Jun 2012 19:21:30 +0000 (19:21 +0000)]
Assert fail equaility_engine.cpp: hasTerm(node) with --decision=justification
Dejan Jovanović [Tue, 12 Jun 2012 19:09:39 +0000 (19:09 +0000)]
bufixes and the bugs
* array now only propagates thropugh the equality engine
* assertions in the equality rewriting to ensure eq -> { eq, T, F }
Dejan Jovanović [Tue, 12 Jun 2012 18:53:40 +0000 (18:53 +0000)]
conflicts from theories are removable
Clark Barrett [Tue, 12 Jun 2012 18:32:42 +0000 (18:32 +0000)]
Changed bitvector theory rewriter so that equalities always get rewritten to
equalities or true or false
Kshitij Bansal [Tue, 12 Jun 2012 17:33:29 +0000 (17:33 +0000)]
cleanup of exit mechanism when decisionEngine is on\n\n fixes some bugs we were seeing in quantifiers+decision stuff
Clark Barrett [Tue, 12 Jun 2012 17:31:35 +0000 (17:31 +0000)]
Fixed bug causing QF_LIA/solver_cvc4/incorrect1.smt and QF_LIA/solver_cvc4/incorrect3.smt
Clark Barrett [Tue, 12 Jun 2012 17:07:49 +0000 (17:07 +0000)]
Fixed failing assertion in arrays for bug 347
Dejan Jovanović [Tue, 12 Jun 2012 17:02:02 +0000 (17:02 +0000)]
more breakage in aufbv
Assertion `value(l) == (lbool((uint8_t)0))' failed.
and
d_disequalityReasonsMap.find(pair) != d_disequalityReasonsMap.end()
Morgan Deters [Tue, 12 Jun 2012 16:18:04 +0000 (16:18 +0000)]
minor cleanup, and replace a "private:" in equality engine that had been removed by the quantifiers merge (I had reengineered some things from quantifiers so that the equality engine didn't have to expose internals as public, but then had neglected to re-privatize them)
Clark Barrett [Tue, 12 Jun 2012 16:15:47 +0000 (16:15 +0000)]
Fixed compile error
Clark Barrett [Tue, 12 Jun 2012 16:05:37 +0000 (16:05 +0000)]
Enabling constant propagation
Morgan Deters [Tue, 12 Jun 2012 14:31:16 +0000 (14:31 +0000)]
fix a few compatibility bindings issues
Dejan Jovanović [Tue, 12 Jun 2012 11:35:30 +0000 (11:35 +0000)]
wrong answer benchmarks
these should be simple constant propagation problems
Dejan Jovanović [Tue, 12 Jun 2012 11:12:36 +0000 (11:12 +0000)]
wrong result benchmark
Dejan Jovanović [Tue, 12 Jun 2012 03:24:45 +0000 (03:24 +0000)]
tests for the
!isEliminated(var(ps[i]))
assert fails
Dejan Jovanović [Tue, 12 Jun 2012 03:21:47 +0000 (03:21 +0000)]
test cases for the
d_disequalityReasonsMap.find(pair) != d_disequalityReasonsMap.end()
assertion fail
Clark Barrett [Tue, 12 Jun 2012 03:01:41 +0000 (03:01 +0000)]
Adding constant propagation code - needs more testing - off by default
Tim King [Tue, 12 Jun 2012 00:37:27 +0000 (00:37 +0000)]
Adding incorrect qf_lia result.
Morgan Deters [Tue, 12 Jun 2012 00:32:02 +0000 (00:32 +0000)]
fix ordering issue of --dump-to and --default-dag-thresh. now can be specified in either order and the DAG threshold takes.
Tim King [Mon, 11 Jun 2012 23:40:47 +0000 (23:40 +0000)]
Fix to term normalization of integer equalities. Adds a regression test that triggered it.
Tim King [Mon, 11 Jun 2012 22:32:46 +0000 (22:32 +0000)]
Fixing type comparision assertion in getEqualityStatus().
Dejan Jovanović [Mon, 11 Jun 2012 21:53:00 +0000 (21:53 +0000)]
another benchmark that used to fail
Dejan Jovanović [Mon, 11 Jun 2012 18:54:38 +0000 (18:54 +0000)]
fixing bitvector bugs
* clauses shouldn't be erased when they could be a reason for outside propagation
* propagation of p and !p is ignored as this must lead to a conflict in the subtheory internally
Morgan Deters [Mon, 11 Jun 2012 18:27:58 +0000 (18:27 +0000)]
mark a quantifiers global var as "static" so we can find it easier later
Clark Barrett [Mon, 11 Jun 2012 17:31:13 +0000 (17:31 +0000)]
OK, now the rewrite issues are fixed
Morgan Deters [Mon, 11 Jun 2012 17:13:03 +0000 (17:13 +0000)]
distribute an .expect file. fixes a "make check" failure not for svn working dirs but for distributed tarballs.
Morgan Deters [Mon, 11 Jun 2012 16:28:23 +0000 (16:28 +0000)]
Merge from quantifiers2-trunkmerge branch.
Adds TheoryQuantifiers and TheoryRewriteRules, QuantifiersEngine, and other infrastructure.
Adds theory instantiators to many theories.
Adds the UF strong solver.
Clark Barrett [Mon, 11 Jun 2012 16:14:01 +0000 (16:14 +0000)]
Fix for array bug with decision heuristic
Also fixed one bv rewrite failure (more to come)
Morgan Deters [Mon, 11 Jun 2012 15:36:42 +0000 (15:36 +0000)]
fix issue referred to in bug 352 regarding infinite loop between SubstitutionMap (when debugging tag "substitutions" is on) and DagificationVisitor
Dejan Jovanović [Mon, 11 Jun 2012 13:54:42 +0000 (13:54 +0000)]
failing bv examples
Clark Barrett [Mon, 11 Jun 2012 11:43:55 +0000 (11:43 +0000)]
Fixed bug 352
Dejan Jovanović [Mon, 11 Jun 2012 02:32:04 +0000 (02:32 +0000)]
some failing examples
Clark Barrett [Sun, 10 Jun 2012 15:55:31 +0000 (15:55 +0000)]
Fixed one more bug in rewriter
Clark Barrett [Sun, 10 Jun 2012 14:43:58 +0000 (14:43 +0000)]
Added a very fruitful assertion to the rewriter: checks that rewriting after "REWRITE_DONE" is idempotent
Found several problems where this is not the case and fixed them
Dejan Jovanović [Sun, 10 Jun 2012 06:09:25 +0000 (06:09 +0000)]
adding an assertion to trigger the problem of bug349 and the testcase
bv rewriter apparently deosn't have a proper normal form for equalities
Dejan Jovanović [Sun, 10 Jun 2012 03:03:17 +0000 (03:03 +0000)]
fixes for bug347
it was an issue with constants being merged, which influenced explanations of disequalities. when constants are attempted to be merged, equality engine now enters conflict mode immediately
Clark Barrett [Sat, 9 Jun 2012 17:03:22 +0000 (17:03 +0000)]
Turning on unconstrained simp for QF_AUFBV
Morgan Deters [Sat, 9 Jun 2012 14:09:39 +0000 (14:09 +0000)]
Cleanup and comments for the dag-ifier. Also some unit testing for it.
Morgan Deters [Sat, 9 Jun 2012 00:35:38 +0000 (00:35 +0000)]
Dagification of output expressions.
By default, common subexpressions are dagified if they appear > 1 time and are not constants or variables.
This can be changed with --default-expr-dag=N --- N is a threshold such that if the subexpression occurs > N
times, it is dagified; a setting of 0 turns off dagification entirely.
If you notice strange dumping behavior (taking too long to print anything, e.g.), revert to the old behavior
with --default-expr-dag=0 and let me know of the problem.
Morgan Deters [Fri, 8 Jun 2012 23:35:21 +0000 (23:35 +0000)]
The option --arith-presolve-lemmas had previously been renamed --unate-lemmas.
This commit just renames it in --help documentation, etc.
Morgan Deters [Fri, 8 Jun 2012 21:21:42 +0000 (21:21 +0000)]
Extend Printer infrastructure also to the "Result" class, meaning that different output languages can write "sat", "unsat", etc., in different ways. No output is changed by this commit, but the flexibility is added that Francois wanted at today's meeting.
Morgan Deters [Fri, 8 Jun 2012 20:11:22 +0000 (20:11 +0000)]
minor fixes, for Mac OS
Dejan Jovanović [Fri, 8 Jun 2012 20:00:13 +0000 (20:00 +0000)]
very small fast example for the bv fail
Morgan Deters [Fri, 8 Jun 2012 19:00:44 +0000 (19:00 +0000)]
Fix SMT-LIBv2 ALL_SUPPORTED logic inference (by inferring it earlier).
Kshitij Bansal [Fri, 8 Jun 2012 10:18:01 +0000 (10:18 +0000)]
handle BitVectorSignExtend in pickler
Kshitij Bansal [Fri, 8 Jun 2012 09:34:20 +0000 (09:34 +0000)]
threadlocal
Kshitij Bansal [Fri, 8 Jun 2012 05:56:08 +0000 (05:56 +0000)]
Merge from decision branch (till r3663)
(no performace or search behavior changes expected)
Dejan Jovanović [Fri, 8 Jun 2012 05:48:19 +0000 (05:48 +0000)]
small fuzz examples where bv fails
Dejan Jovanović [Thu, 7 Jun 2012 22:19:53 +0000 (22:19 +0000)]
fixing the wrong results. arrays equality adaptor had a missing case when propagating disequalities between shared terms.
Morgan Deters [Thu, 7 Jun 2012 20:45:13 +0000 (20:45 +0000)]
LogicInfo locking implemented, and some initialization-order issues in SmtEngine resolved.
ALL_SUPPORTED and QF_ALL_SUPPORTED logics now supported by SMT-LIB parsers. In SMT-LIBv2, if a (set-logic..) command is missing, ALL_SUPPORTED is assumed, and a warning is issued, as discussed on the cvc4-devel mailing list.
Clark Barrett [Thu, 7 Jun 2012 19:34:21 +0000 (19:34 +0000)]
Fixed performance issue with ite_simplifier on some QF_AUFBV benchmarks
Morgan Deters [Thu, 7 Jun 2012 16:16:48 +0000 (16:16 +0000)]
Adding EchoCommand and associated printer and parser rules:
* SMT-LIBv2 parser now supports (echo...).
* Dump() gestures can now dump EchoCommands in CVC and SMT-LIB formats.
This can make it much easier to interpret output.
Dejan Jovanović [Thu, 7 Jun 2012 16:12:06 +0000 (16:12 +0000)]
cleaning up the expample for the future
Clark Barrett [Thu, 7 Jun 2012 15:31:08 +0000 (15:31 +0000)]
Added small test case for diseq propagation
Dejan Jovanović [Thu, 7 Jun 2012 07:11:24 +0000 (07:11 +0000)]
fixing some bugs in propagation of disequalities
still doesnt fix the wrong answers thought :(
Clark Barrett [Wed, 6 Jun 2012 21:11:37 +0000 (21:11 +0000)]
Don't ever call nonclausalSimplify if simplificationMode = NONE (even if
repeatSimp is true)
Clark Barrett [Wed, 6 Jun 2012 19:29:18 +0000 (19:29 +0000)]
Fixed assertion failures
Morgan Deters [Wed, 6 Jun 2012 18:08:28 +0000 (18:08 +0000)]
removing std::cout from trunk
Morgan Deters [Wed, 6 Jun 2012 17:52:47 +0000 (17:52 +0000)]
also remove now-incorrect comment from makefile
Clark Barrett [Wed, 6 Jun 2012 17:49:51 +0000 (17:49 +0000)]
Fixed broken test case, removed one that is a mistake
Morgan Deters [Wed, 6 Jun 2012 17:35:09 +0000 (17:35 +0000)]
unconstrained regressions are now run with "make check", but with --unconstrained-simp option
Morgan Deters [Wed, 6 Jun 2012 16:17:19 +0000 (16:17 +0000)]
Fixing numerous issues with tests and "make dist":
* test/regress/regress0/unconstrained wasn't being distributed. This caused the debian build failure last night. (It still doesn't run on "make check", but had to be distributed properly.)
* Fixing an issue where a test name was longer than 99 characters and couldn't be distributed in the "old" tar format. (Told automake to use a newer tar format.)
Dejan Jovanović [Wed, 6 Jun 2012 16:03:37 +0000 (16:03 +0000)]
disabling a super-expensive assertions to speed up debug runs
Dejan Jovanović [Wed, 6 Jun 2012 06:12:40 +0000 (06:12 +0000)]
Changes to the combination mechanism, lots of details. Not done yet, there are still the AUFBV wrong results, but it seems better.
http://church.cims.nyu.edu/regress-results/compare_jobs.php?job_id=4382&reference_id=4359&p=5
Clark Barrett [Wed, 6 Jun 2012 01:06:15 +0000 (01:06 +0000)]
Fixed problem causing crash at destruction time
Clark Barrett [Tue, 5 Jun 2012 20:40:22 +0000 (20:40 +0000)]
More clean-up
Clark Barrett [Tue, 5 Jun 2012 19:48:30 +0000 (19:48 +0000)]
Fixed a performance issue with unconstrained simplifier
Clark Barrett [Tue, 5 Jun 2012 14:43:11 +0000 (14:43 +0000)]
Adding missing files...
Clark Barrett [Mon, 4 Jun 2012 22:26:40 +0000 (22:26 +0000)]
Added preprocessing pass that propagates unconstrained values - solves all of
the unconstrained examples in QF_AUFBV/brummayerbiere3 - should also help
generally on at least BV and maybe others.
Off by default for now - results are mixed and it's hard to evaluate with so
many existing assertion failures and segfaults - will re-evaluate once those
are fixed
Morgan Deters [Fri, 1 Jun 2012 20:31:24 +0000 (20:31 +0000)]
add a global user-context push/pop in smt engine, just like clark's addition the other day of a push/pop of the sat context
Clark Barrett [Thu, 31 May 2012 17:15:02 +0000 (17:15 +0000)]
Fixed bug in bv: one more case where non-shared equality was getting propagated
Added a global push and pop around solving - fixes an assertion failure when
TNodes are still around in a CDHashMap at destruction time.
Morgan Deters [Thu, 31 May 2012 14:46:38 +0000 (14:46 +0000)]
svn:ignore a parallel-tests driver file that automake deposits in config/
Morgan Deters [Thu, 31 May 2012 14:45:09 +0000 (14:45 +0000)]
pass JAVA_CPPFLAGS properly
Clark Barrett [Wed, 30 May 2012 20:33:40 +0000 (20:33 +0000)]
Added BitwiseEq bitvector rewrite
Added option "--repeat-simp" which repeats nonclausal simplification: 4 times,
twice before ite removal and twice after
Enabled these options (plus ite-simp) on QF_AUFBV, obtaining significant
speedup on dwp examples
Clark Barrett [Wed, 30 May 2012 16:16:18 +0000 (16:16 +0000)]
Fixed problem with array queue growing too large
Morgan Deters [Wed, 30 May 2012 16:14:56 +0000 (16:14 +0000)]
remove unused/broken check build target
Morgan Deters [Tue, 29 May 2012 23:12:06 +0000 (23:12 +0000)]
removing now-unused TheoryEngine::setLogic() interface function
Clark Barrett [Tue, 29 May 2012 17:56:51 +0000 (17:56 +0000)]
Enabled SolveEq bv rewrite
Clark Barrett [Mon, 28 May 2012 16:27:50 +0000 (16:27 +0000)]
Added some BV rewrites, fixed bugs in array theory, made ite simp work with BV
Dejan Jovanović [Sun, 27 May 2012 16:59:01 +0000 (16:59 +0000)]
some reordering to keep invariants
Dejan Jovanović [Sun, 27 May 2012 05:44:13 +0000 (05:44 +0000)]
Committing the work on equality engine, I need to see how it does on the regressions. New additions:
* areDisequal(x, y) -> areDisequal(x, y, needProof): when asking for a disequality you must say needProof if you will ask for an explanation later.
* propagation of shared dis-equalities (not yet complete, once case missing)
* changes to the theories that use it, authors should check up on the changes