cvc5.git
6 years agoAdd support for check-sat-assuming. (#1637)
Aina Niemetz [Mon, 5 Mar 2018 22:05:26 +0000 (14:05 -0800)]
Add support for check-sat-assuming. (#1637)

This adds support for check-sat-assuming. It further adds support for SmtEngine::query() over a
vector of Expressions, e.g., smtEngine->query({a, b}); checks the validity (of the current input
formula) under assumption (not (or a b)).

6 years agoAdd CVC4_PUBLIC keyword to overloads of << for Expr containers. (#1644)
Aina Niemetz [Mon, 5 Mar 2018 20:59:23 +0000 (12:59 -0800)]
Add CVC4_PUBLIC keyword to overloads of << for Expr containers. (#1644)

6 years agoAdd uniform way to serialize containers of Expr to stream. (#1638)
Aina Niemetz [Mon, 5 Mar 2018 19:26:53 +0000 (11:26 -0800)]
Add uniform way to serialize containers of Expr to stream. (#1638)

6 years agoFixed typo.
Aina Niemetz [Fri, 2 Mar 2018 23:09:43 +0000 (15:09 -0800)]
Fixed typo.

6 years agoOptimization for sygus streaming mode (#1636)
Andrew Reynolds [Fri, 2 Mar 2018 21:56:16 +0000 (15:56 -0600)]
Optimization for sygus streaming mode (#1636)

6 years agoSimplify sygus wrt miniscoping (#1634)
Andrew Reynolds [Fri, 2 Mar 2018 20:44:04 +0000 (14:44 -0600)]
Simplify sygus wrt miniscoping (#1634)

6 years agoFixed comments in smt_engine.h.
Aina Niemetz [Fri, 2 Mar 2018 19:49:49 +0000 (11:49 -0800)]
Fixed comments in smt_engine.h.

6 years agoPrint candidate rewrites in terms of original grammar (#1635)
Andrew Reynolds [Fri, 2 Mar 2018 17:59:42 +0000 (11:59 -0600)]
Print candidate rewrites in terms of original grammar (#1635)

6 years agoCreate infrastructure for sygus modules (#1632)
Andrew Reynolds [Fri, 2 Mar 2018 03:32:11 +0000 (21:32 -0600)]
Create infrastructure for sygus modules (#1632)

6 years agoSmtEngine::getAssignment now returns a vector of assignments. (#1628)
Aina Niemetz [Wed, 28 Feb 2018 20:19:25 +0000 (12:19 -0800)]
SmtEngine::getAssignment now returns a vector of assignments. (#1628)

6 years agoMinor fixes for rec-fun (#1616)
Andrew Reynolds [Wed, 28 Feb 2018 04:50:47 +0000 (22:50 -0600)]
Minor fixes for rec-fun (#1616)

6 years agoRemove unused code in pushDefineFunRecScop in smt2.cpp. (#1627)
Aina Niemetz [Wed, 28 Feb 2018 03:06:58 +0000 (19:06 -0800)]
Remove unused code in pushDefineFunRecScop in smt2.cpp. (#1627)

6 years agoImprove rewriter for string indexof (#1592)
Andrew Reynolds [Tue, 27 Feb 2018 22:52:57 +0000 (16:52 -0600)]
Improve rewriter for string indexof (#1592)

6 years agoOption to not use partial function semantics for arithmetic div by zero (#1620)
Andrew Reynolds [Tue, 27 Feb 2018 21:15:07 +0000 (15:15 -0600)]
Option to not use partial function semantics for arithmetic div by zero (#1620)

6 years agoImprovements to sygus sampling (#1621)
Andrew Reynolds [Tue, 27 Feb 2018 19:58:45 +0000 (13:58 -0600)]
Improvements to sygus sampling (#1621)

6 years agoAdd unit tests for BitVector, minor BV rewrite fix (#1622)
Andres Noetzli [Sat, 24 Feb 2018 02:02:53 +0000 (18:02 -0800)]
Add unit tests for BitVector, minor BV rewrite fix (#1622)

This commit adds unit tests for the BitVector class and adds some additional argument checks. Additionally, it fixes a minor issue in the ZeroExtendUltConst rule if the zero_extend was by 0 bits. In that case, the rule was calling BitVector::extract() with high < low.

6 years agoSplit and document bitvector.h. (#1615)
Aina Niemetz [Fri, 23 Feb 2018 19:57:10 +0000 (11:57 -0800)]
Split and document bitvector.h. (#1615)

6 years agoFix cd-simplification for strings (#1624)
Andrew Reynolds [Fri, 23 Feb 2018 17:18:40 +0000 (11:18 -0600)]
Fix cd-simplification for strings (#1624)

6 years agoMinor improvements to string rewriter (#1572)
Andrew Reynolds [Thu, 22 Feb 2018 20:08:13 +0000 (14:08 -0600)]
Minor improvements to string rewriter (#1572)

6 years agoFixed disabling the BV equality slicer for quantifiers. (#1623)
Aina Niemetz [Thu, 22 Feb 2018 19:11:39 +0000 (11:11 -0800)]
Fixed disabling the BV equality slicer for quantifiers. (#1623)

This fixes an incorrect condition introduced in #1619 to disable the BV equality slicer.

6 years agoDisable BV equality slicer if not pure QF_BV. (#1619)
Aina Niemetz [Thu, 22 Feb 2018 01:09:23 +0000 (17:09 -0800)]
Disable BV equality slicer if not pure QF_BV. (#1619)

6 years agoImprove documentation of bv::utils::isCoreTerm (#1617)
Aina Niemetz [Tue, 20 Feb 2018 23:21:57 +0000 (15:21 -0800)]
Improve documentation of bv::utils::isCoreTerm (#1617)

6 years agoMoved and simplified bv::utils::intersect. (#1614)
Aina Niemetz [Tue, 20 Feb 2018 21:02:00 +0000 (13:02 -0800)]
Moved and simplified bv::utils::intersect. (#1614)

Tested against the recursive implementation with a temporary assertion on regression tests
with --bv-eq-slicer=auto.

6 years agoMinor fixes and additions for transcendental functions (#1612)
Andrew Reynolds [Tue, 20 Feb 2018 18:53:12 +0000 (12:53 -0600)]
Minor fixes and additions for transcendental functions (#1612)

Also adds parsing support for PI in smt2 with syntax "real.pi".

6 years agoUnrecursified and merged bv::utils::is(Core|Equality)Term. (#1605)
Aina Niemetz [Tue, 20 Feb 2018 18:05:05 +0000 (10:05 -0800)]
Unrecursified and merged bv::utils::is(Core|Equality)Term. (#1605)

This unrecursifies and merges bv::utils::isCoreTerm and bv::utils::isEqualityTerm to avoid
code duplication.

In the best case, the recursive implementation visits less nodes. This can be achieved with
the non-recursive implementation, however, at the cost of increased code complexity.
In practice, on QF_BV the new implementation slightly improves performance.

Tested against the recursive implementation with a temporary assertion on regression
tests (bv::utils::isCoreTerm was tested with --bv-eq-slicer=auto).
Further tested on QF_BV with a TO of 300s (slight performance improvement).

6 years agobv::utils::mk(And|Or) Do not return true if size of vector is 0. (#1613)
Aina Niemetz [Sat, 17 Feb 2018 00:41:29 +0000 (16:41 -0800)]
bv::utils::mk(And|Or) Do not return true if size of vector is 0. (#1613)

6 years agoMake regress1 default, only test regress0 on Travis. (#1611)
Aina Niemetz [Fri, 16 Feb 2018 15:05:14 +0000 (07:05 -0800)]
Make regress1 default, only test regress0 on Travis. (#1611)

6 years agoRemoved bv::utils::mkConjunction (redundant). (#1610)
Aina Niemetz [Fri, 16 Feb 2018 01:51:42 +0000 (17:51 -0800)]
Removed bv::utils::mkConjunction (redundant). (#1610)

6 years agoFix corner case for rewrite of mult by pow 2 (#1601)
Andrew Reynolds [Thu, 15 Feb 2018 23:34:54 +0000 (17:34 -0600)]
Fix corner case for rewrite of mult by pow 2 (#1601)

6 years agoRefactor regressions (#1581)
Andrew Reynolds [Thu, 15 Feb 2018 21:31:48 +0000 (15:31 -0600)]
Refactor regressions (#1581)

6 years agoFix context memory manager unit test (#1609)
Andres Noetzli [Thu, 15 Feb 2018 18:26:08 +0000 (10:26 -0800)]
Fix context memory manager unit test (#1609)

Commit 83f150c727f197c530d6f46a75b516eea52bed29 changed the flag
that we use to determine whether to use the context memory manager
or the debug version. However, the change was not reflected in
the context memory manager unit test. This commit fixes the unit
test to check the correct flag.

6 years agoQuantifiers subdirectories (#1608)
Andrew Reynolds [Wed, 14 Feb 2018 23:55:23 +0000 (17:55 -0600)]
Quantifiers subdirectories (#1608)

6 years agoRemove unused cd_set_collection.h (#1606)
Andres Noetzli [Wed, 14 Feb 2018 01:29:50 +0000 (17:29 -0800)]
Remove unused cd_set_collection.h (#1606)

6 years agoProvide a uniform way to serialize node containers to output stream. (#1604)
Aina Niemetz [Wed, 14 Feb 2018 00:34:08 +0000 (16:34 -0800)]
Provide a uniform way to serialize node containers to output stream. (#1604)

6 years agoMoved (unrecursified) bv::utils::collectVars. (#1602)
Aina Niemetz [Tue, 13 Feb 2018 23:02:28 +0000 (15:02 -0800)]
Moved (unrecursified) bv::utils::collectVars. (#1602)

6 years agoSkip header for determining top contributors list. (#1603)
Aina Niemetz [Tue, 13 Feb 2018 19:04:27 +0000 (11:04 -0800)]
Skip header for determining top contributors list. (#1603)

6 years agoOption to use extended rewriter as a preprocessing pass (#1600)
Andrew Reynolds [Tue, 13 Feb 2018 00:16:59 +0000 (18:16 -0600)]
Option to use extended rewriter as a preprocessing pass (#1600)

6 years agoMinor improvements to sygus sampler (#1598)
Andrew Reynolds [Mon, 12 Feb 2018 22:14:29 +0000 (16:14 -0600)]
Minor improvements to sygus sampler (#1598)

6 years agoMove (unrecursified) bv::utils::numNodes to lazy_bitblaster.cpp. (#1594)
Aina Niemetz [Sun, 11 Feb 2018 19:13:33 +0000 (11:13 -0800)]
Move (unrecursified) bv::utils::numNodes to lazy_bitblaster.cpp. (#1594)

This unrecursifies and moves bv::utils::numNodes to an unnamed namespace in lazy_bitblaster.cpp
(only place where it is used). Tested against the recursive implementation (with a temporary
Assertion) on regression tests.

6 years agoMore minor improvements to synth-rr (#1597)
Andrew Reynolds [Sun, 11 Feb 2018 02:13:29 +0000 (20:13 -0600)]
More minor improvements to synth-rr (#1597)

6 years agoMove BitVector specific funs from bv::utils to util/bitvector.h. (#1589)
Aina Niemetz [Sat, 10 Feb 2018 06:10:30 +0000 (22:10 -0800)]
Move BitVector specific funs from bv::utils to util/bitvector.h. (#1589)

6 years agoRemove mkNode from bv::utils (#1587)
Aina Niemetz [Sat, 10 Feb 2018 02:38:12 +0000 (18:38 -0800)]
Remove mkNode from bv::utils (#1587)

6 years agoRemoving an always true comparison (unsigned) >= 0u. (#1582)
Tim King [Fri, 9 Feb 2018 23:14:48 +0000 (15:14 -0800)]
Removing an always true comparison (unsigned) >= 0u.  (#1582)

6 years agoClass to reduce printing of redundant candidate rewrites (#1588)
Andrew Reynolds [Fri, 9 Feb 2018 21:08:11 +0000 (15:08 -0600)]
Class to reduce printing of redundant candidate rewrites (#1588)

6 years agoRenaming CHECK to CVC4_CHECK. This avoids name collisions with other popular assertio...
Tim King [Fri, 9 Feb 2018 20:34:47 +0000 (12:34 -0800)]
Renaming CHECK to CVC4_CHECK. This avoids name collisions with other popular assertion macros. This name is likely temporary while Assert() is deprecated. (#1590)

6 years agoReplacing an incorrect reference to an injected class name when the type was meant...
Tim King [Fri, 9 Feb 2018 19:23:31 +0000 (11:23 -0800)]
Replacing an incorrect reference to an injected class name when the type was meant. (#1585)

6 years agoReplace CMM flag with debug CMM flag, fix leak in debug CMM (#1586)
Andres Noetzli [Fri, 9 Feb 2018 02:36:12 +0000 (18:36 -0800)]
Replace CMM flag with debug CMM flag, fix leak in debug CMM (#1586)

Previously, we had -DCVC4_CONTEXT_MEMORY_MANAGER that needed to be added as a compile flag
to use the context memory manager (which we want by default). This makes compiling with
other build systems cumbersome because you have to know about the flag.

This commit replaces the -DCVC4_CONTEXT_MEMORY_MANAGER flag with a -DCVC4_DEBUG_CONTEXT_MEMORY_MANAGER
flag that does the opposite (in absence of the flag, we use the context memory manager).
Additionally, the commit fixes a memory leak in the debug context memory manager (the
destructor did not clean up the allocations).

6 years agoInlining line_buffered_input to avoid warning about unused variables in production...
Tim King [Fri, 9 Feb 2018 00:12:07 +0000 (16:12 -0800)]
Inlining line_buffered_input to avoid warning about unused variables in production builds. (#1584)

6 years agoClean up bv utils (part one). (#1580)
Aina Niemetz [Thu, 8 Feb 2018 23:19:36 +0000 (15:19 -0800)]
Clean up bv utils (part one). (#1580)

This is part one of an effort to clean up bv utils. It addresses review comments not addressed in
#1566 (changes of moved code), removes unused functions and moves a helper to compute the
gcd over Index.

6 years agoAdding virtual destructors on classes with virtual functions. (#1583)
Tim King [Thu, 8 Feb 2018 21:52:36 +0000 (13:52 -0800)]
Adding virtual destructors on classes with virtual functions. (#1583)

6 years agoMinor improvements to sygus sampling. (#1577)
Andrew Reynolds [Thu, 8 Feb 2018 20:01:17 +0000 (14:01 -0600)]
Minor improvements to sygus sampling. (#1577)

6 years agoUpdated copyright
Aina Niemetz [Thu, 8 Feb 2018 19:18:19 +0000 (11:18 -0800)]
Updated copyright

6 years agoInitializing Timer::d_wall_limit (CID 1362899). (#1573)
Tim King [Thu, 8 Feb 2018 16:59:05 +0000 (08:59 -0800)]
Initializing Timer::d_wall_limit (CID 1362899). (#1573)

6 years agoSimplify and cleanup bv::utils::mkConjunction. (#1571)
Aina Niemetz [Thu, 8 Feb 2018 16:10:36 +0000 (08:10 -0800)]
Simplify and cleanup bv::utils::mkConjunction. (#1571)

6 years agoCheck whether Cryptominisat4/ABC was installed via get-* script. (#1565)
Mathias Preiner [Thu, 8 Feb 2018 15:27:16 +0000 (07:27 -0800)]
Check whether Cryptominisat4/ABC was installed via get-* script. (#1565)

6 years agoRemove invalid regression test (#1579)
Andres Noetzli [Thu, 8 Feb 2018 14:52:16 +0000 (06:52 -0800)]
Remove invalid regression test (#1579)

6 years agoRemoving an unused variable. (#1576)
Tim King [Thu, 8 Feb 2018 06:52:40 +0000 (22:52 -0800)]
Removing an unused variable. (#1576)

6 years agoFixing more inconsistent usages of override. (#1575)
Tim King [Thu, 8 Feb 2018 03:06:11 +0000 (19:06 -0800)]
Fixing more inconsistent usages of override. (#1575)

6 years agoReduce number of Travis builds. (#1578)
Aina Niemetz [Thu, 8 Feb 2018 01:51:46 +0000 (17:51 -0800)]
Reduce number of Travis builds. (#1578)

6 years agoFixing line numbers on type_checker_template.cpp (#1574)
Tim King [Thu, 8 Feb 2018 00:11:36 +0000 (16:11 -0800)]
Fixing line numbers on type_checker_template.cpp (#1574)

6 years agoCleanup Cryptominisat header. (#1561)
Mathias Preiner [Wed, 7 Feb 2018 23:00:41 +0000 (15:00 -0800)]
Cleanup Cryptominisat header. (#1561)

Clang formatted sat_solver_factor.cpp

6 years agoUse template for bv::utils::mkOr. (#1570)
Aina Niemetz [Wed, 7 Feb 2018 20:34:59 +0000 (12:34 -0800)]
Use template for bv::utils::mkOr. (#1570)

6 years agoAdds a new CHECK macro that abort()s on failure. (#1532)
Tim King [Wed, 7 Feb 2018 18:19:04 +0000 (10:19 -0800)]
Adds a new CHECK macro that abort()s on failure. (#1532)

6 years agoAdd remaining transcendental functions (#1551)
Andrew Reynolds [Wed, 7 Feb 2018 15:12:59 +0000 (09:12 -0600)]
Add remaining transcendental functions (#1551)

6 years agoUse template for bv::utils::mkAnd. (#1569)
Aina Niemetz [Wed, 7 Feb 2018 08:55:44 +0000 (00:55 -0800)]
Use template for bv::utils::mkAnd. (#1569)

6 years agoRenamed bv::utils::isBVGroundTerm to isBvConstTerm. (#1568)
Aina Niemetz [Wed, 7 Feb 2018 07:20:20 +0000 (23:20 -0800)]
Renamed bv::utils::isBVGroundTerm to isBvConstTerm. (#1568)

6 years agoSplit and document theory_bv_utils. (#1566)
Aina Niemetz [Wed, 7 Feb 2018 05:42:25 +0000 (21:42 -0800)]
Split and document theory_bv_utils. (#1566)

This moves the implementation from the header to the .cpp file. It further documents all functions in
the header file.

6 years agoUse separate shell script for common get-* script parts. (#1567)
Mathias Preiner [Wed, 7 Feb 2018 03:46:04 +0000 (19:46 -0800)]
Use separate shell script for common get-* script parts. (#1567)

6 years agoFixes two memory leaks coming from Transf. (#1564)
Tim King [Wed, 7 Feb 2018 02:25:45 +0000 (18:25 -0800)]
Fixes two memory leaks coming from Transf. (#1564)

First, it adds a virtual destructor so the subclasses will get cleaned up. Second, it wraps the returned
pointer in a unique_ptr. Should fix ASAN failures in the nightly run.

6 years agoUpdated copyright header for bv_inverter.(cpp|h).
Aina Niemetz [Tue, 6 Feb 2018 23:35:20 +0000 (15:35 -0800)]
Updated copyright header for bv_inverter.(cpp|h).

6 years agoUpdated year in update-copyright script.
Aina Niemetz [Tue, 6 Feb 2018 23:32:30 +0000 (15:32 -0800)]
Updated year in update-copyright script.

6 years agoResolving warnings from -Winconsistent-missing-override on clang. (#1563)
Tim King [Tue, 6 Feb 2018 23:55:40 +0000 (15:55 -0800)]
Resolving warnings from -Winconsistent-missing-override on clang. (#1563)

6 years agoFix two multiply-by-constant corner cases for bv rewriter (#1562)
Andrew Reynolds [Tue, 6 Feb 2018 22:13:41 +0000 (16:13 -0600)]
Fix two multiply-by-constant corner cases for bv rewriter (#1562)

6 years agoUpdated authors list
Aina Niemetz [Tue, 6 Feb 2018 18:56:41 +0000 (10:56 -0800)]
Updated authors list

6 years agoFix rewrite for string replace (#1537)
Andrew Reynolds [Tue, 6 Feb 2018 17:20:16 +0000 (11:20 -0600)]
Fix rewrite for string replace (#1537)

6 years agoUsing getOperator() directly instead of using -1. CID 1172262. (#1559)
Tim King [Tue, 6 Feb 2018 07:47:26 +0000 (23:47 -0800)]
Using getOperator() directly instead of using -1. CID 1172262. (#1559)

6 years agoAborting on errors in StatisticsRegistry::unregisterStat() instead of throwing except...
Tim King [Tue, 6 Feb 2018 03:07:17 +0000 (19:07 -0800)]
Aborting on errors in StatisticsRegistry::unregisterStat() instead of throwing exceptions. This is called from destructors and therefore it is inappropraiate to throw exceptions. This solution is temporary until Assert() is deprecated in favor of an aborting version. (#1539)

6 years agoStatically eliminate redundant sygus constructors (#1560)
Andrew Reynolds [Tue, 6 Feb 2018 00:59:13 +0000 (18:59 -0600)]
Statically eliminate redundant sygus constructors (#1560)

6 years agoCleaning up the printing of theory model representative sets. (#1538)
Tim King [Mon, 5 Feb 2018 23:17:45 +0000 (15:17 -0800)]
Cleaning up the printing of theory model representative sets. (#1538)

6 years agoRemoving references to __gnu_cxx. (#1541)
Tim King [Mon, 5 Feb 2018 20:38:13 +0000 (12:38 -0800)]
Removing references to __gnu_cxx. (#1541)

6 years agoSample based on sygus grammar by default (#1558)
Andrew Reynolds [Sun, 4 Feb 2018 18:46:05 +0000 (12:46 -0600)]
Sample based on sygus grammar by default (#1558)

6 years agoOption to use sampling for CEGIS (#1555)
Andrew Reynolds [Sat, 3 Feb 2018 03:04:49 +0000 (21:04 -0600)]
Option to use sampling for CEGIS (#1555)

6 years agoRestoring ostream format. Resolves a few CIDs 1362780. (#1543)
Tim King [Sat, 3 Feb 2018 01:03:10 +0000 (17:03 -0800)]
Restoring ostream format. Resolves a few CIDs 1362780. (#1543)

6 years agoFix remaining synthesis solution regressions (#1557)
Andrew Reynolds [Fri, 2 Feb 2018 23:20:44 +0000 (17:20 -0600)]
Fix remaining synthesis solution regressions (#1557)

6 years agoOption to check solutions produced by SyGuS solver (#1553)
Haniel Barbosa [Fri, 2 Feb 2018 21:34:44 +0000 (15:34 -0600)]
Option to check solutions produced by SyGuS solver (#1553)

6 years agoAdd interface in sygus to get synthesis solution Nodes (#1552)
Andrew Reynolds [Thu, 1 Feb 2018 19:52:34 +0000 (13:52 -0600)]
Add interface in sygus to get synthesis solution Nodes (#1552)

6 years agoUse sygus to synthesize/verify rewrite rules (#1547)
Andrew Reynolds [Thu, 1 Feb 2018 18:13:54 +0000 (12:13 -0600)]
Use sygus to synthesize/verify rewrite rules (#1547)

6 years agoFurther clean and document datatypes rewriter (#1548)
Andrew Reynolds [Tue, 30 Jan 2018 17:42:31 +0000 (11:42 -0600)]
Further clean and document datatypes rewriter (#1548)

6 years agoGeneralize explanations for PBE sygus strings based on negative contains when multipl...
Andrew Reynolds [Mon, 29 Jan 2018 22:59:13 +0000 (16:59 -0600)]
Generalize explanations for PBE sygus strings based on negative contains when multiple strategies are present (#1546)

6 years agoSort children of all commutative operators for sygus. (#1544)
Andrew Reynolds [Sun, 28 Jan 2018 22:37:54 +0000 (16:37 -0600)]
Sort children of all commutative operators for sygus. (#1544)

6 years agoRemoving an unused variable. Resolves CID 1172257. (#1542)
Tim King [Sat, 27 Jan 2018 20:50:54 +0000 (12:50 -0800)]
Removing an unused variable. Resolves CID 1172257. (#1542)

6 years agoRemoving structurally dead code. (#1540)
Tim King [Sat, 27 Jan 2018 00:29:16 +0000 (16:29 -0800)]
Removing structurally dead code. (#1540)

6 years agoCommenting out throw specifiers on SmtEngine. These can later be refined into better...
Tim King [Thu, 25 Jan 2018 03:55:59 +0000 (19:55 -0800)]
Commenting out throw specifiers on SmtEngine. These can later be refined into better documentation. (#1512)

6 years agoAdded unit tests for PLUS, NEG, NOT ICs for CBQI BV. (#1534)
Aina Niemetz [Thu, 25 Jan 2018 00:19:50 +0000 (16:19 -0800)]
Added unit tests for PLUS, NEG, NOT ICs for CBQI BV. (#1534)

6 years agoFix MULT handling for CBQI BV. (#1531)
Aina Niemetz [Tue, 23 Jan 2018 20:02:42 +0000 (12:02 -0800)]
Fix MULT handling for CBQI BV. (#1531)

6 years agoCommenting out throw specifiers for DeltaRationExceptions. These functions can be...
Tim King [Tue, 23 Jan 2018 08:14:43 +0000 (00:14 -0800)]
Commenting out throw specifiers for DeltaRationExceptions. These functions can be cleaned up later. (#1529)

6 years agoAdd previous concat handling for CBQI BV as heuristic for EQ. (#1528)
Aina Niemetz [Mon, 22 Jan 2018 18:06:26 +0000 (10:06 -0800)]
Add previous concat handling for CBQI BV as heuristic for EQ. (#1528)

Previously, we computed an inverse for s1 o x, x o s2, s1 o x o s2 while disregarding that invertibility
depends on si. This adds this handling as an optional heuristic for concats over (dis)equality since it improves performance on a considerable number of benchmarks.

6 years agoRefactor and fix solveBvLit for CBQI BV. (#1526)
Aina Niemetz [Mon, 22 Jan 2018 04:41:39 +0000 (20:41 -0800)]
Refactor and fix solveBvLit for CBQI BV. (#1526)

This refactors and simplifies solveBvLit() and fixes the following:

- generate side conditions for BITVECTOR_NEG, BITVECTOR_NOT, BITVECTOR_PLUS,
BITVECTOR_XOR over inequalities and disequality
- fix CONCAT handling (generate side conditions rather then computing an inverse which was incorrect)
- fix SIGN_EXTEND handling (same as with CONCATs)

6 years agoOnly push/pop around check-sat if it is associated with an assertion (#1525)
Andrew Reynolds [Mon, 22 Jan 2018 02:06:58 +0000 (20:06 -0600)]
Only push/pop around check-sat if it is associated with an assertion (#1525)

6 years agoRemoves yet more throw specifiers. Updating the documentation as needed. (#1518)
Tim King [Wed, 17 Jan 2018 20:16:17 +0000 (12:16 -0800)]
Removes yet more throw specifiers. Updating the documentation as needed. (#1518)