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2010-10-08* (define-fun...) now has proper type checking in non-debug buildsMorgan Deters
(resolves bug #212) * also closed some other type checking loopholes in SmtEngine * small fixes to define-sort (resolves bug #214) * infrastructural support for printing expressions in languages other than the internal representation language using an IO manipulator, e.g.: cout << Expr::setlanguage(language::output::LANG_SMTLIB_V2) << expr; main() sets the output language for all streams to correspond to the input language * support delaying type checking in debug builds, so that one can debug the type checker itself (before it was difficult, because debug builds did all the type checking on Node creation!): new command-line flag --no-early-type-checking (only makes sense for debug builds) * disallowed copy-construction of ExprManager and NodeManager, and made other constructors explicit; previously it was easy to unintentionally create duplicate managers, with really weird results (i.e., disappearing attributes!)
2010-10-07type checking for define-fun in production builds; related to (and might ↵Morgan Deters
resolve) bug 212
2010-10-07SMT-LIBv2 (define-fun...) command now functional; does eager expansion at ↵Morgan Deters
preprocessing time
2010-10-05parser and core support for SMT-LIBv2 commands get-info, set-option, ↵Morgan Deters
get-option, get-assertions, get-value, define-sort, define-fun, and declare-sort with arity > 0; SmtEngine doesn't yet support most of these, but will shortly...
2010-10-03file header documentation regenerated with contributors names; no code ↵Morgan Deters
modified in this commit
2010-10-02dump statistics on abnormal output: unexpected exceptions, SEGV, ILL, memout...Morgan Deters
2010-10-01replacement implementation for clock_gettime() on mac os x, build ↵Morgan Deters
portability (resolving mac os x issues), code cleanup, fix compiler warnings
2010-09-27add workaround for systems (i.e., Mac OS X) that don't support __thread; ↵ACSYS
also configure script auto-detection of __thread support and syntax
2010-09-21remove assertion in TNode destructor and ensure all TNode methods check rc > ↵Morgan Deters
0 (resolves bug #200); on NodeManager/ExprManager side, no more prepareToBeDestroyed() / inDestruction
2010-09-21fix statistics-registry-related memory leaksMorgan Deters
2010-09-13statistics are now printed on timeout (SIGXCPU) and SIGINT if --stats is givenMorgan Deters
2010-08-19UF theory bug fixes, code cleanup, and extra debugging output.Morgan Deters
Enabled new UF theory by default. Added some UF regressions. Some work on the whole equality-over-bool-removed-in-favor-of-IFF thing. (Congruence closure module and other things have to handle IFF as a special case of equality, etc..) Added pre-rewriting to TheoryBool which rewrites: * (IFF true x) => x * (IFF false x) => (NOT x) * (IFF x true) => x * (IFF x false) => (NOT x) * (IFF x x) => true * (IFF x (NOT x)) => false * (IFF (NOT x) x) => false * (ITE true x y) => x * (ITE false x y) => y * (ITE cond x x) => x Added post-rewriting that does all of the above, plus normalize IFF and ITE: * (IFF x y) => (IFF y x), if y < x * (ITE (NOT cond) x y) => (ITE cond y x) (Note: ITEs survive the removal-of-ITEs pass only if they are Boolean-valued.) A little more debugging output from CNF stream, context pushes/pops, ITE removal. Some more documentation. Fixed some typos.
2010-08-17Merge from "cc" branch:Morgan Deters
CongruenceClosure implementation; CongruenceClosure white-box test. New UF theory implementation based on new CC module. This one supports predicates. The two UF implementations exist in parallel (they can be selected at runtime via the new command line option "--uf"). Added type infrastructure for TUPLE. Fixes to unit tests that failed in 16-August-2010 regressions. Needed to instantiate TheoryEngine with an Options structure, and explicitly call ->shutdown() on it before destruction (like the SMTEngine does). Fixed test makefiles to (1) perform all tests even in the presence of failures, (2) give proper summaries of subdirectory tests (e.g. regress0/uf and regress0/precedence) Other minor changes.
2010-07-06Fixed exit status for competition mode.Tim King
2010-07-06add Configuration::isCompetitionBuild() and some main driver fixesMorgan Deters
2010-07-06fix crash on command line parsingMorgan Deters
2010-07-05better exception wording, assertion-handling in multiple-exception case; ↵Morgan Deters
resolves bug 175. also newer URL for config/pkg.m4
2010-07-03With this commit come a number of changes to build system to supportMorgan Deters
building with CLN or with GMP, the contrib/switch-config script (enabling "fast switching" of different configurations in the same builds/ directory), and also some minor changes. ./configure --with-gmp (or --without-cln) forces building with GMP and doesn't even look for CLN. Configure fails if GMP isn't installed. ./configure --with-cln (or --without-gmp) forces building with CLN and doesn't even look for GMP. Configure fails if CLN isn't installed. ./configure [no arguments] will detect what's installed. CLN is default, if it isn't installed, or is too old, GMP is looked for (and configure fails if neither is available). It is an error to specify --with-gmp --with-cln (or --without-* for both) at the same time. Building with CLN (whether forced or detected) adds a note to the configure output mentioning the fact that the build of CVC4 will be linked against a GPLed library and notifying the user of the --without-cln option. Building with GMP (whether forced or detected) affects the build directory, so CLN and GMP builds are kept separate. ./configure --with-cln debug builds in builds/$arch/debug ./configure --with-gmp debug builds in builds/$arch/debug-gmp The final binaries are linked explicitly against either gmp or cln, but not both. If linked against cln, cln pulls in gmp as a dependency, so the result will be linked against both. === Details that you probably don't care about === The headers src/util/{integer,rational}.h are generated from the corresponding .in versions. A user installing a CVC4-devel package will get the headers for rational and integer that match the library that s/he installs. The preprocessor #defines CVC4_GMP_IMP and CVC4_CLN_IMP are added to cvc4autoconfig.h. Only one is ever #defined. cvc4autoconfig.h doesn't need to be #included directly; you get it through #including cvc4_private.h (or the parser version). AM_CONDITIONALs are also defined so that Makefiles get the cln/gmp configuration. AC_SUBSTs are defined so that public headers (see src/util/{integer,rational}.h.in) can use the setting. *Public* headers that need to depend on the cln/gmp configuration can't use cvc4autoconfig.h, because we're keeping that in the private, internal-only space, never to be installed on users' machines. Here, something special is required, like the configure-level generation of headers that I used for src/util/{integer,rational}.h.in. Tim's Integer and Rational wrappers are the only bits of code that should care which library is used (and also src/util/configuration.h, which gives the user of the library information about how CVC4 is built), and possibly some unit tests (?).
2010-07-02re-generated comment headers of source filesMorgan Deters
2010-07-02* Added white-box TheoryEngine test that tests the rewriterMorgan Deters
* Added regression documentation to test/regress/README * Added ability to print types of vars in expr printouts with iomanipulator Node::printtypes(true)... for example, Warning() << Node::printtypes(true) << n << std::endl; * Types-printing can be specified on the command line with --print-expr-types * Improved type handling facilities and theoryOf(). For now, SORT_TYPE moved from builtin theory to UF theory to match old behavior. * Additional gdb debug functionality. Now we have: debugPrintNode(Node) debugPrintRawNode(Node) debugPrintTNode(TNode) debugPrintRawTNode(TNode) debugPrintTypeNode(TypeNode) debugPrintRawTypeNode(TypeNode) debugPrintNodeValue(NodeValue*) debugPrintRawNodeValue(NodeValue*) they all print a {Node,TNode,NodeValue*} from the debugger. The "Raw" versions print a very low-level AST-like form. The regular versions do the same as operator<<, but force full printing on (no depth-limiting). * Other trivial fixes
2010-06-30Adding documentation for --strict-parsing (Closes: #166)Christopher L. Conway
2010-06-30fix to switch fall-through; stats now off by default regardless of -d ↵Morgan Deters
debugging options; thanks Chris for spoting this
2010-06-30* theory "tree" rewriting implemented and worksMorgan Deters
* added TheoryArith::preRewrite() to test and demonstrate the use of pre-rewriting. * array types and type checking now supported * array type checking now supported * theoryOf() dispatching properly to arrays now * theories now required to implement a (simple) identify() function that returns a string identifying them for debugging/user output purposes * added "builtin" theory to hold all built-in kinds and their type rules and rewriting (currently only exploding distinct) * fixed production build failure (regarding NodeSetDepth) * removed an errant "using namespace std" in util/bitvector.h (and made associated trivial fixes elsewhere) * fixes to make unexpected exceptions more verbose in debug builds * fixes to make multiple, cascading assertion fails simpler * minor other fixes to comments etc.
2010-06-29add --default-expr-depth=N command line parameter, expose setdepth() to ↵Morgan Deters
public interface
2010-06-22Made ~Stat() virtual. Added some additional statistics. And added some ↵Tim King
documentation.
2010-06-18Merging the statistics branch into the main trunk. I'll go over how to use ↵Tim King
this Tuesday during the meeting. You'll need to run autogen and receonfigure after updating.
2010-06-15fix last commit gcc options (-wunknown-pragmas ==> -Wno-unknown-pragmas)Morgan Deters
2010-06-15remove warnings about unknown #pragma GCC diagnostic on older compilersMorgan Deters
2010-06-04** Don't fear the files-changed list, almost all changes are in the **Morgan Deters
** file-level documentation at the top of the sources. ** This is the "make bugzilla stop bugging me" bugfix commit. * Remove BackedNodeBuilder<> and collapse NodeBuilder<> hierarchy. Updated documentation in the file. Resolves bug #99. * Convenience NodeBuilders (PlusNodeBuilder, OrNodeBuilder, etc.) moved into a separate file. Partially resolves bug #100. * Moved isAssociative(Kind) into kind.h (and into the CVC4::kind namespace) instead of metakind.h (where it was in CVC4::metakind). This clears up a warning (private #inclusion) from the SMT and SMT2 parsers, and maybe makes more sense anyways, since this is based on the kind (and not the metakind) of an operator. * Documentation improvement; doxygen top-level \file gestures, \brief gestures for files, etc. Changed contrib/update-copyright.pl for this change, and post-processed to add \brief. Resolves bug #98. * Removed ExprManager::mkExpr(Kind) and NodeManager::mkNode(Kind). They no longer made sense. Resolves bug #91.
2010-06-03Implementing input from stdin (Fixes: #144)Christopher L. Conway
2010-05-27Adding NodeManager::prepareToBeDestroyed() (Fixes: #128)Christopher L. Conway
2010-05-12Adding ParserBuilder, reducing visibility of Parser and Input constructorsChristopher L. Conway
Adding Smt2 subclass of Parser Checking for multiple calls to set-logic in SMT v2
2010-05-06Adding --strict-parsing optionChristopher L. Conway
2010-05-04Disabling semantic checks in competition mode.Christopher L. Conway
Adding function debugTagIsOn to safely test for tracing in any compilation mode. Removing irrelevant command-line options from usage message in muzzled mode.
2010-05-03main driver supports .smt2 input, added an smt2 regression (currently ↵Morgan Deters
broken, so it doesn't run with "make check")
2010-04-29First draft implementation of SMT v2 parserChristopher L. Conway
2010-04-28Refactoring Input/Parser code to support external manipulation of the parser ↵Christopher L. Conway
state.
2010-04-06* Add some protected ContextObj accessors for ContextObj-derived classes:Morgan Deters
+ Context* getContext() -- gets the context + ContextMemoryManager* getCMM() -- gets the CMM + int getLevel() -- the scope level of the ContextObj's most recent update + bool isCurrent() -- true iff the most recent update is the current top level In particular, the ContextObj::getCMM() call cleans up by TheoryUF's ECData::addPredecessor() function substantially (re: code review bug #64). * Fix serious bugs in context operations that corrupted the ContextObj linked lists. Closes bug #85. * Identified a bug in the way objects of the "Link" class are allocated; see bug #96. * Re-enable context white-box tests that ensure proper links in linked lists. Closes bug #86. * Re-enable CDMap<>::emptyTrash(). Closes bug #87. * Add a tracing option (-t foo or --trace foo) to the driver to enable Trace("foo") output stream. -d foo implies -t foo. * Minor clean-up of some TheoryUF code; addition of some documentation (re: code review bug #64). * Address some things that caused Doxygen discomfort. * Address an issue raised in NodeManager's code review (bug #65). * Remove an inaccurate comment in Attribute code (re: code review bug #61).
2010-04-04* Node::isAtomic() now looks at an "atomic" attribute of argumentsMorgan Deters
instead of assuming it's atomic based on kind. Atomicity is determined at node building time. Fixes bug #81. If this is determined to make node building too slow, we can allocate another attribute "AtomicHasBeenComputed" to lazily compute atomicity. * TheoryImpl<> has gone away. Theory implementations now derive from Theory directly and share a single RegisteredAttr attribute for term registration (which shouldn't overlap: every term is "owned" by exactly one Theory). Fixes bug #79. * Additional atomicity tests in ExprBlack unit test. * More appropriate whitebox testing for attribute ID assignment (AttributeWhite unit test). * Better (and more correct) assertion checking in NodeBuilderBlack. * run-regression script now checks exit status against what's provided in "% EXIT: " gesture in .cvc input files, and stderr against "% EXPECT-ERROR: ". These can be used to support intended failures. Fixes bug #84. Also add "% EXIT: " gestures to all .cvc regressions in repository. * Solved some "control reaches end of non-void function" warnings in src/parser/bounded_token_buffer.cpp by replacing "AlwaysAssert(false)" with "Unreachable()" (which is known statically to never return normally). * Regression tests now use the cvc4 binary under builds/$(CURRENT_BUILD)/src/main instead of the one in bin/ which may not be properly installed yet at that point of the build. (Partially fixes bug #46.) * -fvisibility=hidden is now included by configure.ac instead of each Makefile.am, which will make it easier to support platforms (e.g. cygwin) that do things a different way. * TheoryUF code formatting. (re: my code review bug #64) * CDMap<> is leaking memory again, pending a fix for bug #85 in the context subsystem. (To avoid serious errors, can't free context objects.) * add ContextWhite unit test for bug #85 (though it's currently "defanged," awaiting the bugfix) * Minor documentation, other cleanup.
2010-04-02Fixing double delete bug in main.cppChristopher L. Conway
2010-04-01Parser tweaks to address reviewChristopher L. Conway
Private members of Input moved to new class ParserState
2010-04-01cvc4 --show-config now gives library versionMorgan Deters
2010-04-01reran update-copyright.pl to get new contributors and add new header ↵Morgan Deters
comments to files without them
2010-04-01PARSER STUFF:Morgan Deters
* Other minor changes to the new parser to match coding guidelines, add documentation, .... * Add CFLAGS stuff to configure.ac parser Makefile.ams. This ensures that profiling, coverage, optimization, debugging, and warning level options will apply to the new parser as well (which is in C, not C++). This fixes the deprecated warning we were seeing this evening. * Now, if you have ANTLR_HOME set in your environment, you don't need to specify --with-antlr-dir to ./configure or have libantlr3c installed in standard places. --with-antlr-dir still overrides $ANTLR_HOME, and if the installation in $ANTLR_HOME is missing or doesn't work, the standard places are still tried. * Extend "silent make" to new parser stuff. * Added src/parser/bounded_token_buffer.{h,cpp} to the list of exclusions in contrib/update-copyright.pl and mention them as excluded from CVC4 copyright in COPYING. They are antlr3-derived works, covered under a BSD license. OTHER STUFF: * expr_manager.h, expr.h, expr_manager.cpp, and expr.cpp are now auto-generated by a "mkexpr" script. This provides the correct instantiations of mkConst() for public use, e.g., by the parser. * Fix doxygen documentation in expr, expr_manager.. closes bug #35 * Node::isAtomic() implemented in a better way, based on theory kinds files. Fixes bug #40. To support this, a "nonatomic_operator" command has been added. All other "parameterized" or "operator" kinds are atomic. * Added expr_black test * Remove kind::TRUE and kind::FALSE and make a new CONST_BOOLEAN kind that takes a "bool" payload; for example, to make "true" you now do nodeManager->mkConst(true). * Make new "cvc4_public.h" and "cvc4parser_public.h" headers. Private headers should include "cvc4_private.h" (resp. "cvc4parser_private.h"), which existed previously. Public headers should include the others. **No one** should include the autoheader #include (which has been renamed "cvc4autoconfig.h") directly, and public CVC4 headers can't access its #defines. This is to avoid us having the same distribution problem as libantlr3c. * Preliminary fixes based on Tim's code review of attributes (bug #61). This includes splitting hairy template internals into attribute_internals.h, for which another code review ticket will be opened. Bug is still outstanding, but pending further refactoring/documentation. * Some *HashFcns renamed to *HashStrategy to match refactoring done elsewhere (done by Chris?) earlier this week. * Simplified creation of make rules for generated files (expr.cpp, expr.h, expr_manager.cpp, expr_manager.h, theoryof_table.h, kind.h, metakind.h). * CVC4::Configuration interface and implementation split (so private stuff doesn't leak into public headers). * Some documentation/code formatting fixes. * Add required versions of autotools to autogen.sh. * src/expr/mkmetakind: fix a nonportable thing in invocation of "expr" that was causing warnings on Red Hat. * src/context/cdmap.h: add workaround to what appears to be a g++ 4.1 parsing bug.
2010-03-30Removing unnecessary .gitignoresChristopher L. Conway
2010-03-30Merging from branches/antlr3 (r246:354)Christopher L. Conway
2010-03-12* src/context/cdmap.h: rename orderedIterator to iterator, do awayMorgan Deters
with old iterator (closes bug #47). * src/context/cdset.h: implemented. * src/expr/node_builder.h: fixed all the strict-aliasing warnings. * Remove Node::hash() and Expr::hash() (they had been aliases for getId()). There's now a NodeValue::internalHash(), for internal expr package purposes only, that doesn't depend on the ID. That's the only hashing of Nodes or Exprs. * Automake-quiet generation of kind.h, theoryof_table.h, and CVC and SMT parsers. * various minor code cleanups.
2010-03-05* public/private code untangled (smt/smt_engine.h no longer #includesMorgan Deters
expr/node.h). This removes the warnings we had during compilation, and heads off a number of potential linking errors due to improper inlining of private (library-only) stuff in client (out-of-library) code. * "configure" now takes some options as part of a "bare-option" build type (e.g., "./configure debug-coverage" or "./configure production-muzzle"). * split cdo.h, cdlist.h, cdmap.h, and cdset.h from context.h * split cdlist_black unit test from context_black * implement CDMap<>. * give ExprManagers ownership of the context (and have SmtEngine share that one) * fix main driver to properly report file-not-found * fix MemoryMappedInputBuffer class to report reasons for "errno"-returned system errors * src/expr/attribute.h: context-dependent attribute kinds now supported * test/unit/expr/node_white.h: context-dependent attribute tests * src/prop/cnf_conversion.h and associated parts of src/util/options.h and src/main/getopt.cpp: obsolete command-line option, removed. * src/util/Assert.h: assertions are now somewhat more useful (in debug builds, anyway) during stack unwinding. * test/unit/theory/theory_black.h: test context-dependent behavior of registerTerm() attribute for theories * src/expr/node_builder.h: formatting, fixes for arithmetic convenience node builders, check memory allocations * test/unit/expr/node_builder_black.h: add tessts for addition, subtraction, unary minus, and multiplication convenience node builders * src/expr/attribute.h: more comments * (various) code formatting, comment cleanup, added throws specifier to some destructors * contrib/code-checker: prototype perl script to test (some) code policy * contrib/indent-settings: command line for GNU indent to indent using CVC4 style (sort of; this is a work in progress) * COPYING: legal stuff * DESIGN_QUESTIONS: obsolete, removed
2010-02-27Adding --mmap option to use memory-mapped file input, which provides a ↵Christopher L. Conway
marginal improvement (<5%) on big benchmarks.
2010-02-25* src/expr/node.h: add a copy constructor. Apparently GCC doesn'tMorgan Deters
recognize an instantiation of the join conversion/copy ctor with ref_count = ref_count_1 as a copy constructor. Problems with reference counts ensue. * src/theory/theory.h, src/theory/theory.cpp: Theory base implementation work. Changed from continuation-style theory calls to having an data member for the output channel. registerTerm() and preRegisterTerm() work. * src/theory/output_channel.h, src/theory/theory.h, src/theory/theory.cpp, src/theory/uf/theory_uf.h, src/theory/uf/theory_uf.cpp: merged ExplainOutputChannel into OutputChannel. * test/unit/expr/node_black.h: remove testPlusNode(), testUMinusNode(), testMultNode(). * src/expr/attribute.h: new facilities ManagedAttribute<> and CDAttribute<>, and add new template parameters to Attribute<>. Make CDAttribute<>s work with context manager. * src/expr/attribute.h, src/expr/node_manager.h: VarNameAttr and TypeAttr are now "owned" (defined) by the NodeManager. The AttributeManager knows nothing of specific attributes, it just as all the code for dealing generically with attributes. * test/unit/expr/node_white.h: test new attribute facilities. * src/expr/soft_node.h: removed: We now have TNode, so SoftNode goes away. * src/theory/Makefile.am: fixed improper linking of theories * src/theory/theory_engine.h: some implementation work (mainly stubs for now, just to make sure TheoryUF can be instantiated properly, etc.) * src/expr/node_value.cpp, src/expr/node_value.h: move a number of function implementations to the header and make them inline * src/expr/node_manager.cpp, src/expr/node_manager.h: move a number of function implementations to the header and make them inline * src/theory/theoryof_table_prologue.h, src/theory/theoryof_table_epilogue.h, src/theory/mktheoryof, src/theory/Makefile.am: make the theoryOf() table from kinds and implement TheoryEngine::theoryOf(). * src/theory/arith/Makefile, src/theory/bool/Makefile: generated these stub Makefiles (with contrib/addsourcedir) as per policy * src/theory/arith, src/theory/bool [directory properties]: add .deps to svn:ignore. * contrib/configure-in-place: permit configuring "in-place" in the source directory. * contrib/get-authors, contrib/dimacs_to_smt.pl, contrib/update-copyright.pl, contrib/get-authors, contrib/addsourcedir, src/expr/mkkind: copyright notice * src/expr/node_manager.h, src/expr/node_builder.h, src/prop/prop_engine.h, src/prop/prop_engine.cpp, src/theory/theory_engine.h, src/smt/smt_engine.h, src/smt/smt_engine.cpp, src/theory/output_channel.h: turn "const Node&"-typed formal parameters into "TNode" * src/theory/bool, src/theory/booleans: "bool" directory renamed "booleans" to avoid keyword clash on containing namespace * src/theory/booleans/theory_def.h, src/theory/uf/theory_def.h, src/theory/arith/theory_def.h: "define" a theory simply (for automatic theoryOf() generator). * src/Makefile.am: build theory subdirectory before prop, smt, etc. so that src/theory/theoryof_table.h header gets generated before it's needed * src/expr/node_prologue.h, src/expr/node_middle.h: move "Kind" into a separate CVC4::kind namespace to avoid its contents from cluttering the CVC4 root namespace. Import the symbol "Kind" into the CVC4 namespace but not the enum values. * src/expr/node_manager.h, src/expr/node.h, src/expr/node_value.h, src/expr/node_value.cpp, src/expr/expr.cpp, src/theory/uf/theory_uf.cpp, src/prop/cnf_stream.cpp, src/parser/smt/smt_parser.g, src/parser/cvc/cvc_parser.g, src/parser/antlr_parser.cpp, test/unit/expr/node_white.h, test/unit/expr/node_black.h, test/unit/expr/kind_black.h, test/unit/expr/node_builder_black.h: update for having moved Kind into CVC4::kind. * src/parser/parser.cpp: added file-does-not-exist check (was failing silently).
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