Improve arithmetic proofs (#6106)

[cvc5.git] / COPYING

diff --git a/COPYING b/COPYING
index 3299f4970a12e4b9cd15bc76dcbc21631c0b140a..d6f66b097d1b6c56627b12f7051589a863ae1b35 100644 (file)
--- a/COPYING
+++ b/COPYING
@@ -8,9 +8,9 @@ original or modified versions; distribution is under the terms of the modified
 BSD license (reproduced below).  Please note that CVC4 can be configured
 (however, by default it is not) to link against some GPLed libraries, and
 therefore the use of these builds may be restricted in non-GPL-compatible
-projects.  See below for a discussion of CLN, GLPK, and Readline (the three
-GPLed optional library dependences for CVC4), and how to ensure you have a
-build that doesn't link against GPLed libraries.
+projects.  See below for a discussion of CLN and GLPK (the two GPLed optional
+library dependences for CVC4), and how to ensure you have a build that doesn't
+link against GPLed libraries.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
@@ -47,27 +47,16 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 The CVC4 source code includes third-party software which has its own copyright
 and licensing terms, as described below.
 
-Each of the following files contains third-party software.
+The following file contains third-party software.
 
-  autogen.sh
-  config/ax_cxx_compile_stdcxx.m4
-  config/ax_cxx_compile_stdcxx_11.m4
-  config/ax_prog_doxygen.m4
-  config/boost.m4
-  config/doxygen.am
-  config/pkg.m4
+  cmake/CodeCoverage.cmake
 
-The copyright and licensing information for each of these files is in the
-header of the corresponding file.
+The copyright and licensing information of this file is in its header.
 
 CVC4 incorporates MiniSat code (see src/prop/minisat and src/prop/bvminisat),
 excluded from the above copyright.  See src/prop/minisat/LICENSE and
 src/prop/bvminisat/LICENSE for copyright and licensing information.
 
-CVC4 incorporates some code from Boost (see src/util/channel.h), excluded from
-the above copyright.  See licenses/channel.h-LICENSE for copyright and
-licensing information.
-
 CVC4 incorporates code from ANTLR3 (http://www.antlr3.org/), the files
 src/parser/bounded_token_buffer.h, src/parser/bounded_token_buffer.cpp, and
 src/parser/antlr_input_imports.cpp are excluded from the above copyright.
@@ -90,6 +79,8 @@ CVC4 optionally links against the following libraries:
   CaDiCaL            (https://github.com/arminbiere/cadical)
   CryptoMiniSat      (https://github.com/msoos/cryptominisat)
   LFSC checker       (https://github.com/CVC4/LFSC)
+  LibPoly            (https://github.com/SRI-CSL/libpoly)
+  libedit            (https://thrysoee.dk/editline)
 
 Linking CVC4 against these libraries does not affect the license terms of the
 CVC4 code.  See the respective projects for copyright and licensing
@@ -104,8 +95,8 @@ Please be advised that the following libraries are covered under the GPLv3
 license.  If you choose to link CVC4 against one of these libraries, the
 resulting combined work is also covered under the GPLv3. If you want to make
 sure you build a version of CVC4 that uses no GPLed libraries, configure CVC4
-with the "--bsd" option before building (which is the default).  CVC4 can then
-be used in contexts where you want to use CVC4 under the terms of the
+with the "--no-gpl" option before building (which is the default).  CVC4 can
+then be used in contexts where you want to use CVC4 under the terms of the
 (modified) BSD license.  See licenses/gpl-3.0.txt for more information.
 
 CVC4 can be optionally configured to link against CLN, the Class Library for
@@ -118,8 +109,3 @@ version of GLPK, the GNU Linear Programming Kit, available here:
 
   https://github.com/timothy-king/glpk-cut-log
 
-CVC4 can be optionally configured to link against GNU Readline for improved
-text-editing support in interactive mode.  GNU Readline is available here:
-
-  http://cnswww.cns.cwru.edu/php/chet/readline/rltop.html
-