cvc5.git
9 years agoAdding a test to ensure the <build>/src/theory directory is available to the scripts...
Tim King [Mon, 2 Nov 2015 22:30:52 +0000 (17:30 -0500)]
Adding a test to ensure the <build>/src/theory directory is available to the scripts in src/Makefile.am. This should fix a bug in building the debian packages.

9 years agoImprovements to handling of mixed Int/Real quantifiers.
ajreynol [Sat, 31 Oct 2015 09:00:52 +0000 (10:00 +0100)]
Improvements to handling of mixed Int/Real quantifiers.

9 years agoRemoves an extra dollar sign from src/options/mktagheaders. The extra dollar sign...
Tim King [Fri, 30 Oct 2015 00:42:52 +0000 (17:42 -0700)]
Removes an extra dollar sign from src/options/mktagheaders. The extra dollar sign came in as a copy paste from a Makefile. This was not proper bash.

9 years agoAdding the new mkdirs script to EXTRA_DIST. This should fix the failing nightly distc...
Tim King [Tue, 27 Oct 2015 06:59:54 +0000 (02:59 -0400)]
Adding the new mkdirs script to EXTRA_DIST. This should fix the failing nightly distcheck.

9 years agoThis commit fixes a bug related to a public header depending on a compiler flag....
Tim King [Mon, 26 Oct 2015 19:21:42 +0000 (12:21 -0700)]
This commit fixes a bug related to a public header depending on a compiler flag. This resulted in user code seeing a different size for the SmtEngine class than what was compiled in the library. Proofs are enabled by default again. See cvc4.cs.nyu.edu/bugs/show_bug.cgi?id=688 for more information.

9 years agoThis commit removes using absolute paths in the generation of the .subdirs file....
Tim King [Sat, 24 Oct 2015 01:31:30 +0000 (18:31 -0700)]
This commit removes using absolute paths in the generation of the .subdirs file. This also rearranges generation of the file so that one .subdirs file is generated once per Makefile.am file. This keeps using relative paths clean.

9 years agoThis commit moves the scripts for building the Debug_tags, Traces_tags, Debug_tags...
Tim King [Sat, 24 Oct 2015 00:47:11 +0000 (17:47 -0700)]
This commit moves the scripts for building the Debug_tags, Traces_tags, Debug_tags.h and Trace_tags.h out of options/Makefile.am and into seperate scripts. This also enables these files always being created.

9 years agoThis fixes a one definition rule violation for reduceDB_lt in Solver.cc in minisat...
Tim King [Fri, 23 Oct 2015 23:57:48 +0000 (16:57 -0700)]
This fixes a one definition rule violation for reduceDB_lt in Solver.cc in minisat and bvminisat. This also moves BVMinisat into CVC4. This also wrapped code in cpp files into the namespaces instead of having using namespace *.

9 years agoPromote InstStrategyCbqi to quantifier module. Cleanup unused code.
ajreynol [Mon, 26 Oct 2015 15:11:00 +0000 (16:11 +0100)]
Promote InstStrategyCbqi to quantifier module. Cleanup unused code.

9 years agoExtend counterexample-guided instantiation to extended theory of Int/Real, mixed...
ajreynol [Mon, 26 Oct 2015 10:26:13 +0000 (11:26 +0100)]
Extend counterexample-guided instantiation to extended theory of Int/Real, mixed Int/Real. Bug fixes. Updates to quantifiers rewriter.

9 years agoRevert "Default builds are now proof enabled."
Kshitij Bansal [Sun, 25 Oct 2015 01:12:45 +0000 (21:12 -0400)]
Revert "Default builds are now proof enabled."

This reverts commit 4fd18dee3156a6dd1903b95662034d6e996ff88b.

9 years agoFixes related to string contains.
ajreynol [Sat, 24 Oct 2015 09:41:22 +0000 (11:41 +0200)]
Fixes related to string contains.

9 years agoThis removes a bug for reading data that has been popped from the back of a vector...
Tim King [Fri, 23 Oct 2015 22:43:27 +0000 (15:43 -0700)]
This removes a bug for reading data that has been popped from the back of a vector using a stale reference in the unconstrained simplifier.

9 years agoSpecify that the default initialization must always be done for CDOhash_map's data...
Tim King [Fri, 23 Oct 2015 22:35:57 +0000 (15:35 -0700)]
Specify that the default initialization must always be done for CDOhash_map's data field. Without doing this, there exists a loop where uninitialized data can be read. This can happen if T is a type like bool. The trace goes: CDOhash_map::set(data) calls ContextObj::make_current(). Now (d_pScope->isCurrent()) is false. So ContextObj::make_current() calls ContextObj::update(). ContextObj::update() calls CDOhash_map::save(). CDOhash_map::save() calls return new(pCMM) CDOhash_map(*this) which calls the copy constructor which reads the data using d_data(other.d_data).

9 years agoSwitching Options::current() to return a pointer. This helps avoid undefined behavior...
Tim King [Fri, 23 Oct 2015 22:11:57 +0000 (15:11 -0700)]
Switching Options::current() to return a pointer. This helps avoid undefined behavior due to dereferencing a null pointer in the future.

9 years agoChanges configure.ac so that the single recurisve invocation runs with a relative...
Tim King [Fri, 23 Oct 2015 21:16:39 +0000 (14:16 -0700)]
Changes configure.ac so that the single recurisve invocation runs with a relative path. This lets the @srcdir@ variable in configuration be a relative path.

9 years agoThis patch slightly generalizes how the std::isfinite function in <cmath> is referred.
Tim King [Sat, 24 Oct 2015 02:03:24 +0000 (19:03 -0700)]
This patch slightly generalizes how the std::isfinite function in <cmath> is referred.

9 years agoEnable counterexample-guided quantifier instantiation by default for quantified logic...
ajreynol [Thu, 22 Oct 2015 09:01:05 +0000 (11:01 +0200)]
Enable counterexample-guided quantifier instantiation by default for quantified logics that include at least one relevant theory. Enforce restriction on model building to last call. Update options, refactor. Update regressions.

9 years agoMinor refactoring in strings related to length.
ajreynol [Wed, 21 Oct 2015 08:47:52 +0000 (10:47 +0200)]
Minor refactoring in strings related to length.

9 years agoRefactor strings, remove old cycle checks in normalize eqc.
ajreynol [Tue, 20 Oct 2015 10:49:49 +0000 (12:49 +0200)]
Refactor strings, remove old cycle checks in normalize eqc.

9 years agoClean up explanations involving string length. Add regression.
ajreynol [Mon, 19 Oct 2015 22:34:50 +0000 (00:34 +0200)]
Clean up explanations involving string length. Add regression.

9 years agoImprove stratification of strings extended function reductions, add regressions....
ajreynol [Mon, 19 Oct 2015 16:10:02 +0000 (18:10 +0200)]
Improve stratification of strings extended function reductions, add regressions. Eliminate preprocess for regexp.

9 years agoImprove regexp rewriter, simplify regexp preprocess, add basic trans closure for...
ajreynol [Mon, 19 Oct 2015 13:06:22 +0000 (15:06 +0200)]
Improve regexp rewriter, simplify regexp preprocess, add basic trans closure for string contains, refactoring.

9 years agoFix for no condense func values.
ajreynol [Sun, 18 Oct 2015 10:17:00 +0000 (12:17 +0200)]
Fix for no condense func values.

9 years agoAdd option to interleave enumerative instantiation with other strategies.
ajreynol [Fri, 16 Oct 2015 16:26:34 +0000 (18:26 +0200)]
Add option to interleave enumerative instantiation with other strategies.

9 years agoThrow error for recursively defined types involving Boolean.
ajreynol [Fri, 16 Oct 2015 12:27:15 +0000 (14:27 +0200)]
Throw error for recursively defined types involving Boolean.

9 years agoFix for codatatype constant rewrite, add regression.
ajreynol [Fri, 16 Oct 2015 09:17:00 +0000 (11:17 +0200)]
Fix for codatatype constant rewrite, add regression.

9 years agoFix congruence check in strings, fixes bug 686.
ajreynol [Thu, 15 Oct 2015 15:58:35 +0000 (17:58 +0200)]
Fix congruence check in strings, fixes bug 686.

9 years agoChange semantics of str.substr to allow endpoint out of bounds, and return empty...
ajreynol [Thu, 15 Oct 2015 13:57:03 +0000 (15:57 +0200)]
Change semantics of str.substr to allow endpoint out of bounds, and return empty string for error conditions. Improve rewriter for str.substr.

9 years agoDecompose string contains, minor refactoring.
ajreynol [Thu, 15 Oct 2015 09:43:14 +0000 (11:43 +0200)]
Decompose string contains, minor refactoring.

9 years agoMerge pull request #77 from kbansal/macsegfault
Kshitij Bansal [Wed, 14 Oct 2015 02:21:20 +0000 (22:21 -0400)]
Merge pull request #77 from kbansal/macsegfault

remove options infrastructure code which depended on undefined behavior

9 years agoremove options infrastructure code which depended on undefined behavior
Kshitij Bansal [Tue, 13 Oct 2015 23:59:22 +0000 (19:59 -0400)]
remove options infrastructure code which depended on undefined behavior

appears to be source of crashes on mac

9 years agoMerge pull request #76 from CVC4/proofs
Kshitij Bansal [Mon, 12 Oct 2015 05:09:40 +0000 (01:09 -0400)]
Merge pull request #76 from CVC4/proofs

Proofs

9 years agofix regression tests, support fallback mode for proofs
Kshitij Bansal [Sun, 11 Oct 2015 23:20:16 +0000 (19:20 -0400)]
fix regression tests, support fallback mode for proofs

9 years agoDefault builds are now proof enabled.
Liana Hadarean [Wed, 7 Oct 2015 18:56:02 +0000 (19:56 +0100)]
Default builds are now proof enabled.

9 years agoFix strings preprocessing + incremental, fixes bug 682. Add initial infrastructure...
ajreynol [Sun, 11 Oct 2015 13:35:14 +0000 (15:35 +0200)]
Fix strings preprocessing + incremental, fixes bug 682. Add initial infrastructure for str.contains inferences.

9 years agoTemporary reverting commit 477e72b (proofs as default build) until we fix nightly...
Liana Hadarean [Fri, 9 Oct 2015 09:26:09 +0000 (10:26 +0100)]
Temporary reverting commit 477e72b (proofs as default build) until we fix nightly builds.

9 years agoMinor improvements to strings. Refactor rewriter. Enable fairness for multiple sorts...
ajreynol [Thu, 8 Oct 2015 21:57:50 +0000 (23:57 +0200)]
Minor improvements to strings. Refactor rewriter. Enable fairness for multiple sorts in UF finite model finding by default.

9 years agoDefault builds are now proof enabled.
Liana Hadarean [Wed, 7 Oct 2015 18:56:02 +0000 (19:56 +0100)]
Default builds are now proof enabled.

9 years agoDisabled donePPSimpITE when unsat-cores are enabled (fixes bug648)
Liana Hadarean [Wed, 7 Oct 2015 16:02:05 +0000 (17:02 +0100)]
Disabled donePPSimpITE when unsat-cores are enabled (fixes bug648)

9 years agoMinor improvements, add endpoint eq inference to strings.
ajreynol [Wed, 7 Oct 2015 10:54:55 +0000 (12:54 +0200)]
Minor improvements, add endpoint eq inference to strings.

9 years agoMore improvements to strings rewriter for regexps, contains, indexof, replace and...
ajreynol [Tue, 6 Oct 2015 11:26:03 +0000 (13:26 +0200)]
More improvements to strings rewriter for regexps, contains, indexof, replace and others.  Enable non-recursive flat form inferences in strings theory solver. Refactor extf reductions. Use non-constant length terms when checking length equality. Add option --strings-eager-len.

9 years agoFixes related to explanations for cycles, sym inferences. Minor fixes and improvements.
ajreynol [Fri, 2 Oct 2015 21:15:35 +0000 (23:15 +0200)]
Fixes related to explanations for cycles, sym inferences. Minor fixes and improvements.

9 years agoImprovements to rewriter for regexp, contains, indexof. Improvements and fixes for...
ajreynol [Fri, 2 Oct 2015 13:10:10 +0000 (15:10 +0200)]
Improvements to rewriter for regexp, contains, indexof. Improvements and fixes for reduction of indexof. Fixes bugs 612 and 615. Fix bug in find+offset in strings util. Add regressions.

9 years agoEvaluate extended operators on partially concrete arguments. More aggressive rewritin...
ajreynol [Thu, 1 Oct 2015 15:57:37 +0000 (17:57 +0200)]
Evaluate extended operators on partially concrete arguments. More aggressive rewriting. Bug fix explanations for inferences. Avoid spurious cardinality splits. Do not do disequality splits for non-disequal terms. Work towards non-recursive handling of flat forms.

9 years agoMore improvements to strings. More aggressive inference of constant eqc, reductions...
ajreynol [Thu, 1 Oct 2015 08:44:13 +0000 (10:44 +0200)]
More improvements to strings. More aggressive inference of constant eqc, reductions based on congruence, precheck for cycles.

9 years agoRefactor strings, bug fix inferences vs lemmas.
ajreynol [Wed, 30 Sep 2015 08:24:15 +0000 (10:24 +0200)]
Refactor strings, bug fix inferences vs lemmas.

9 years agoFix for fmf+incremental. Restrict cbqi to literals from ce body. Add regressions.
ajreynol [Tue, 29 Sep 2015 13:17:03 +0000 (15:17 +0200)]
Fix for fmf+incremental. Restrict cbqi to literals from ce body.  Add regressions.

9 years agoImprove quantifiers engine wrt incremental presolve. Add regressions.
ajreynol [Mon, 28 Sep 2015 14:18:32 +0000 (16:18 +0200)]
Improve quantifiers engine wrt incremental presolve. Add regressions.

9 years agoMinor fix
ajreynol [Mon, 28 Sep 2015 12:57:59 +0000 (14:57 +0200)]
Minor fix

9 years agoMinor fixes to strings, add regressions.
ajreynol [Mon, 28 Sep 2015 12:12:48 +0000 (14:12 +0200)]
Minor fixes to strings, add regressions.

9 years agoAdd missing regression
ajreynol [Mon, 28 Sep 2015 08:56:28 +0000 (10:56 +0200)]
Add missing regression

9 years agoFix bug for trivial extf inferences in strings. Improve caching for splits in strings...
ajreynol [Mon, 28 Sep 2015 08:47:09 +0000 (10:47 +0200)]
Fix bug for trivial extf inferences in strings. Improve caching for splits in strings. Other improvements.

9 years agoImproved handling of extended operators. Do preprocess on memberships eagerly, only...
ajreynol [Sun, 27 Sep 2015 11:20:03 +0000 (13:20 +0200)]
Improved handling of extended operators.  Do preprocess on memberships eagerly, only process contains/memberships that have non-constant arguments.  Cleanup.

9 years agoLazy preprocessing of extended operators in strings. Add regressions. Fixes bug...
ajreynol [Sat, 26 Sep 2015 12:35:40 +0000 (14:35 +0200)]
Lazy preprocessing of extended operators in strings.  Add regressions. Fixes bug 613.

9 years agoBetter organization of quantifiers modules, promote full saturation to module. Add...
ajreynol [Sat, 26 Sep 2015 08:04:34 +0000 (10:04 +0200)]
Better organization of quantifiers modules, promote full saturation to module. Add heuristics for cbqi LIA instantiation with coefficients.

9 years agoClear term caches for quantifiers + incremental, fixes bug 674. Refactoring of term...
ajreynol [Fri, 25 Sep 2015 15:58:56 +0000 (17:58 +0200)]
Clear term caches for quantifiers + incremental, fixes bug 674.  Refactoring of term database, other refactoring. Bug fixes for cbqi+datatypes.

9 years agoCounterexample-guided instantiation for datatypes. Make sygus parsing more liberal.
ajreynol [Thu, 24 Sep 2015 14:58:18 +0000 (16:58 +0200)]
Counterexample-guided instantiation for datatypes.  Make sygus parsing more liberal.

9 years agoImprove ITE redundant branch elimination in quantifiers.
ajreynol [Tue, 22 Sep 2015 12:28:33 +0000 (14:28 +0200)]
Improve ITE redundant branch elimination in quantifiers.

9 years agoFix for sets segfault (reported by Ravi Kandhadai)
Kshitij Bansal [Mon, 21 Sep 2015 20:12:03 +0000 (16:12 -0400)]
Fix for sets segfault (reported by Ravi Kandhadai)

fix involves sets getModelValue handling the case when element theory
doesn't have model

9 years agoFix bug in quantifiers engine where model construction could be skipped.
ajreynol [Fri, 18 Sep 2015 18:13:11 +0000 (20:13 +0200)]
Fix bug in quantifiers engine where model construction could be skipped.

9 years agoMore work mixing UF and sygus.
ajreynol [Fri, 18 Sep 2015 12:21:13 +0000 (14:21 +0200)]
More work mixing UF and sygus.

9 years agoAllow most smt2 commands as sygus commands. Fix bug in fmf-fun regarding quantified...
ajreynol [Thu, 17 Sep 2015 22:04:26 +0000 (00:04 +0200)]
Allow most smt2 commands as sygus commands. Fix bug in fmf-fun regarding quantified formulas with non-constant polarity.

9 years agoAdd option --fmf-fun-rlv, remove deprecated option --axiom-inst.
ajreynol [Wed, 16 Sep 2015 09:07:36 +0000 (11:07 +0200)]
Add option --fmf-fun-rlv, remove deprecated option --axiom-inst.

9 years agoFix bug related to quantifiers + incremental, thanks John Backes for the bug report...
ajreynol [Tue, 15 Sep 2015 08:39:29 +0000 (10:39 +0200)]
Fix bug related to quantifiers + incremental, thanks John Backes for the bug report.  Other minor cleanup.

9 years agoMinor cleanup related to codatatypes.
ajreynol [Fri, 11 Sep 2015 13:16:12 +0000 (15:16 +0200)]
Minor cleanup related to codatatypes.

9 years agoModels for codatatypes. Fixes bug 662.
ajreynol [Thu, 10 Sep 2015 16:38:16 +0000 (18:38 +0200)]
Models for codatatypes. Fixes bug 662.

9 years agoNormalization of codatatype constants, codatatype now has a fair enumerator.
ajreynol [Thu, 10 Sep 2015 13:30:52 +0000 (15:30 +0200)]
Normalization of codatatype constants, codatatype now has a fair enumerator.

9 years agoFix bug 670. Minor.
ajreynol [Thu, 10 Sep 2015 08:12:36 +0000 (10:12 +0200)]
Fix bug 670.  Minor.

9 years agoFix bug in strings rewriter regarding lengths of substr terms.
ajreynol [Wed, 9 Sep 2015 08:34:20 +0000 (10:34 +0200)]
Fix bug in strings rewriter regarding lengths of substr terms.

9 years agoWorking towards a fair enumerator for codatatypes.
ajreynol [Wed, 9 Sep 2015 07:48:26 +0000 (09:48 +0200)]
Working towards a fair enumerator for codatatypes.

9 years agoImprove quantifiers rewriter, minor refactoring.
ajreynol [Sun, 6 Sep 2015 10:20:57 +0000 (12:20 +0200)]
Improve quantifiers rewriter, minor refactoring.

9 years agoWorking fix for bugs 610 and 643 regarding check-model with preprocessed quantified...
ajreynol [Sat, 5 Sep 2015 10:55:31 +0000 (12:55 +0200)]
Working fix for bugs 610 and 643 regarding check-model with preprocessed quantified formulas.

9 years agoFix bugs related to fmf with incremental. Reinitialize sorts on user pop, bug fix...
ajreynol [Sat, 5 Sep 2015 10:02:28 +0000 (12:02 +0200)]
Fix bugs related to fmf with incremental. Reinitialize sorts on user pop, bug fix enumeration for uninitialized sorts, do not decide combined cardinality constraints that have not been allocated in user context. Fixes bug 654.

9 years agoFix bugs 605 and 667.
ajreynol [Fri, 4 Sep 2015 15:53:30 +0000 (17:53 +0200)]
Fix bugs 605 and 667.

9 years agofix regressions
Kshitij Bansal [Wed, 2 Sep 2015 13:17:08 +0000 (09:17 -0400)]
fix regressions

9 years agoMerge remote-tracking branch 'origin/master'
Kshitij Bansal [Wed, 2 Sep 2015 13:07:38 +0000 (09:07 -0400)]
Merge remote-tracking branch 'origin/master'

9 years agoFixed but with getAssertions
Clark Barrett [Tue, 1 Sep 2015 20:07:05 +0000 (13:07 -0700)]
Fixed but with getAssertions

9 years agoMinor improvement to sygus sol reconstruction.
ajreynol [Sun, 30 Aug 2015 07:49:48 +0000 (09:49 +0200)]
Minor improvement to sygus sol reconstruction.

9 years agoImprovements to sygus, register equivalent terms based on rewrites of original conjec...
ajreynol [Fri, 28 Aug 2015 11:36:44 +0000 (13:36 +0200)]
Improvements to sygus, register equivalent terms based on rewrites of original conjecture, set default invariant template mode to post-condition.

9 years agoDo ITE term bookkeeping when solving Sygus inputs. Add missing script from Sygus...
ajreynol [Thu, 27 Aug 2015 15:27:57 +0000 (17:27 +0200)]
Do ITE term bookkeeping when solving Sygus inputs.  Add missing script from Sygus comp 2015. Fix bug 665 regarding strings rewriter for contains.

9 years agoModify slow regressions.
ajreynol [Thu, 27 Aug 2015 07:32:14 +0000 (09:32 +0200)]
Modify slow regressions.

9 years agoMinor improvements to cbqi, fix bug in solving with vts symbols, round up for integer...
ajreynol [Wed, 26 Aug 2015 13:49:23 +0000 (15:49 +0200)]
Minor improvements to cbqi, fix bug in solving with vts symbols, round up for integer lower bounds.  Add presolve infrastructure to quantifiers engine, modify --cbqi-prereg-inst.

9 years agoUse zero in cbqi when not using infinities.
ajreynol [Tue, 25 Aug 2015 15:53:17 +0000 (17:53 +0200)]
Use zero in cbqi when not using infinities.

9 years agoAdded threshold for core bv cardinality lemmas
Liana Hadarean [Mon, 24 Aug 2015 10:55:16 +0000 (11:55 +0100)]
Added threshold for core bv cardinality lemmas

9 years agoFix for bv core cardinality lemma generation
Liana Hadarean [Mon, 24 Aug 2015 10:46:07 +0000 (11:46 +0100)]
Fix for bv core cardinality lemma generation

9 years agoeager bit-blasting gives models for boolean variables too (fixes bug618)
Liana Hadarean [Mon, 24 Aug 2015 09:40:18 +0000 (10:40 +0100)]
eager bit-blasting gives models for boolean variables too (fixes bug618)

9 years agoImprovements to vts in cbqi, bug fix vts for non-atomic terms containing vts symbols...
ajreynol [Mon, 24 Aug 2015 16:34:25 +0000 (18:34 +0200)]
Improvements to vts in cbqi, bug fix vts for non-atomic terms containing vts symbols. Move presolve for sygus to cbqi. Enable --cbqi-recurse by default, add option --cbqi-min-bound. Enable qcf for finite model finding by default.

9 years agoMinor changes related to codatatypes for 1.5 release.
ajreynol [Fri, 21 Aug 2015 12:40:06 +0000 (14:40 +0200)]
Minor changes related to codatatypes for 1.5 release.

9 years agoFix disequality bounds in cbqi, record literals for ITE skolems in cbqi. Enable...
ajreynol [Fri, 21 Aug 2015 08:07:12 +0000 (10:07 +0200)]
Fix disequality bounds in cbqi, record literals for ITE skolems in cbqi.  Enable redundant ITE branch elimination in quantifiers rewriter.

9 years agobetter handling for conflicting options with nonlinear arith (bug 646)
Kshitij Bansal [Fri, 21 Aug 2015 07:26:30 +0000 (03:26 -0400)]
better handling for conflicting options with nonlinear arith (bug 646)

9 years agoFix bug 649 (errors to regular output channel)
Kshitij Bansal [Fri, 21 Aug 2015 07:02:32 +0000 (03:02 -0400)]
Fix bug 649 (errors to regular output channel)

From SMTLIB standard:

  "Regular output, including error messages, is printed on the
   regular output channel..."

For CVC language, the behavior is unchanged (i.e. errors go
to stderr by default).

9 years agofix to bug659 due to algebraic solver model building
Liana Hadarean [Thu, 20 Aug 2015 16:21:50 +0000 (17:21 +0100)]
fix to bug659 due to algebraic solver model building

9 years agofix for bug660 and bug658 due to incorrect bit-blasting of divison by zero
Liana Hadarean [Thu, 20 Aug 2015 16:21:08 +0000 (17:21 +0100)]
fix for bug660 and bug658 due to incorrect bit-blasting of divison by zero

9 years agoMake cbqi robust to term ITE removal. Separate vts infinities for int/real.
ajreynol [Wed, 19 Aug 2015 19:45:37 +0000 (21:45 +0200)]
Make cbqi robust to term ITE removal.  Separate vts infinities for int/real.

9 years agofix bug 605
Kshitij Bansal [Wed, 19 Aug 2015 02:06:28 +0000 (22:06 -0400)]
fix bug 605

9 years agoImplementation of model-based projection in cbqi, cleanup, add regressions.
ajreynol [Wed, 19 Aug 2015 07:35:17 +0000 (09:35 +0200)]
Implementation of model-based projection in cbqi, cleanup, add regressions.

9 years agofix for bug663
Tianyi Liang [Tue, 18 Aug 2015 03:31:47 +0000 (22:31 -0500)]
fix for bug663

9 years agoMore optimizations to --macros-quant, add --macros-quant-mode=ground-uf. Cleanup...
ajreynol [Sun, 16 Aug 2015 10:44:11 +0000 (12:44 +0200)]
More optimizations to --macros-quant, add --macros-quant-mode=ground-uf. Cleanup varContains caches in term db. Fix bug related to macros in non-tracing builds.

9 years agoImprovements to --macros-quant. Enable --clause-split by default. Bug fix for cbqi...
ajreynol [Wed, 12 Aug 2015 05:33:16 +0000 (07:33 +0200)]
Improvements to --macros-quant. Enable --clause-split by default. Bug fix for cbqi regarding instantiations with free skolems, extend to boolean quantification. Infrastructure for congruence closure with free variables.