diff --git a/DESCRIPTION b/DESCRIPTION
index d0982c35aec935ac92058c3e915c6c59d4dc034c..57f3938d67973197b589b77164f52b1b92f3d344 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: sybilSBML
 Type: Package
 Title: SBML Integration in Package 'Sybil'
-Version: 3.0.8
-Date: 2020-03-10
+Version: 3.1.0
+Date: 2020-03-23
 Authors@R: c(person("Mayo", "Roettger", role = "cre", email = "mayo.roettger@hhu.de"),
              person("Gabriel", "Gelius-Dietrich", role = c("aut", "ctb")),
              person(c("C.", "Jonathan"), "Fritzemeier", role = "ctb", email = "clausjonathan.fritzemeier@uni-duesseldorf.de"),
@@ -17,7 +17,7 @@ License: GPL-3 | file LICENSE
 LazyLoad: yes
 Collate: generics.R sbmlPtrClass.R sbmlErrorClass.R sybilSBML.R
         uglyHack.R readSBMLmod.R zzz.R
-Packaged: 2020-03-10 09:00:00 UTC; mayo
+Packaged: 2020-03-23 12:00:00 UTC; mayo
 Author: Mayo Roettger [cre],
   Gabriel Gelius-Dietrich [aut, ctb],
   C. Jonathan Fritzemeier [ctb],
diff --git a/configure b/configure
index c1eee2afb8b8e52383259ec7e164a4a8fe00fd82..6c660c64991c4b1c19d3d5ea69f266c6119a46fc 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for sybilSBML 3.0.8.
+# Generated by GNU Autoconf 2.69 for sybilSBML 3.1.0.
 #
 # Report bugs to <mayo.roettger@hhu.de>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='sybilSBML'
 PACKAGE_TARNAME='sybilsbml'
-PACKAGE_VERSION='3.0.8'
-PACKAGE_STRING='sybilSBML 3.0.8'
+PACKAGE_VERSION='3.1.0'
+PACKAGE_STRING='sybilSBML 3.1.0'
 PACKAGE_BUGREPORT='mayo.roettger@hhu.de'
 PACKAGE_URL=''
 
@@ -623,6 +623,8 @@ ac_includes_default="\
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+HAVE_FBC_PLUGIN
+HAVE_GROUPS_PLUGIN
 PKG_CPPFLAGS
 PKG_LIBS
 PKG_CFLAGS
@@ -1241,7 +1243,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures sybilSBML 3.0.8 to adapt to many kinds of systems.
+\`configure' configures sybilSBML 3.1.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1303,7 +1305,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of sybilSBML 3.0.8:";;
+     short | recursive ) echo "Configuration of sybilSBML 3.1.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1390,7 +1392,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-sybilSBML configure 3.0.8
+sybilSBML configure 3.1.0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1759,7 +1761,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by sybilSBML $as_me 3.0.8, which was
+It was created by sybilSBML $as_me 3.1.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2108,6 +2110,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
+ac_config_headers="$ac_config_headers src/config.h"
+
+
+
 
 
 
@@ -3050,11 +3056,6 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-ac_config_headers="$ac_config_headers src/config.h"
-
-
-
-
 ARGS_OK="FALSE"
 
 if test  -n "$PKG_CPPFLAGS" -a -n "$PKG_LIBS"  ; then
@@ -3741,7 +3742,11 @@ done
 
 
 
-ac_config_files="$ac_config_files src/Makevars"
+
+
+
+ac_config_files="$ac_config_files src/Makevars.tmp:src/Makevars.in"
+
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -4249,7 +4254,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by sybilSBML $as_me 3.0.8, which was
+This file was extended by sybilSBML $as_me 3.1.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -4311,7 +4316,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-sybilSBML config.status 3.0.8
+sybilSBML config.status 3.1.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -4433,7 +4438,7 @@ for ac_config_target in $ac_config_targets
 do
   case $ac_config_target in
     "src/config.h") CONFIG_HEADERS="$CONFIG_HEADERS src/config.h" ;;
-    "src/Makevars") CONFIG_FILES="$CONFIG_FILES src/Makevars" ;;
+    "src/Makevars.tmp") CONFIG_FILES="$CONFIG_FILES src/Makevars.tmp:src/Makevars.in" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
@@ -4979,6 +4984,24 @@ $as_echo "$as_me: $ac_file is unchanged" >&6;}
 
   esac
 
+
+  case $ac_file$ac_mode in
+    "src/Makevars.tmp":F)
+    if test -f src/Makevars && cmp -s src/Makevars.tmp src/Makevars; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating src/Makevars" >&5
+$as_echo "$as_me: creating src/Makevars" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: src/Makevars is unchanged" >&5
+$as_echo "$as_me: src/Makevars is unchanged" >&6;}
+      rm src/Makevars.tmp
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating src/Makevars" >&5
+$as_echo "$as_me: creating src/Makevars" >&6;}
+      mv src/Makevars.tmp src/Makevars
+    fi
+
+ ;;
+
+  esac
 done # for ac_tag
 
 
diff --git a/configure.ac b/configure.ac
index da793207fa181a33719c5d9fe87272dca88b8919..f589d1c3777aa261e1a8fe517190a5c3f63bb88a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,10 @@
-AC_INIT([sybilSBML], [3.0.8], [mayo.roettger@hhu.de])
+AC_INIT([sybilSBML], [3.1.0], [mayo.roettger@hhu.de])
+
+dnl # --------------------------------------------------------------------
+dnl # template config.h.in
+dnl # --------------------------------------------------------------------
+AC_CONFIG_HEADERS([src/config.h])
+
 
 dnl # --------------------------------------------------------------------
 dnl # global (environment) variables
@@ -28,13 +34,6 @@ AC_PROG_CC
 AC_PROG_CPP
 
 
-dnl # --------------------------------------------------------------------
-dnl # template config.h.in
-dnl # --------------------------------------------------------------------
-
-AC_CONFIG_HEADERS([src/config.h])
-
-
 dnl # --------------------------------------------------------------------
 dnl # test for global variables
 dnl # --------------------------------------------------------------------
@@ -280,6 +279,21 @@ dnl # --------------------------------------------------------------------
 AC_SUBST(PKG_CFLAGS)
 AC_SUBST(PKG_LIBS)
 AC_SUBST(PKG_CPPFLAGS)
-AC_OUTPUT(src/Makevars)
+AC_SUBST(HAVE_GROUPS_PLUGIN)
+AC_SUBST(HAVE_FBC_PLUGIN)
+
+AC_CONFIG_FILES([src/Makevars.tmp:src/Makevars.in], [
+    if test -f src/Makevars && cmp -s src/Makevars.tmp src/Makevars; then
+      AC_MSG_NOTICE([creating src/Makevars])
+      AC_MSG_NOTICE([src/Makevars is unchanged])
+      rm src/Makevars.tmp
+    else
+      AC_MSG_NOTICE([creating src/Makevars])
+      mv src/Makevars.tmp src/Makevars
+    fi
+  ]
+)
+
+AC_OUTPUT
 
 exit 0
diff --git a/inst/INSTALL b/inst/INSTALL
index 6611c9dc5c669ec9c889cd0c9e540709aa45d404..be0fd7c5d5e062a6d3083938f15e4cb2d5fe0b5a 100644
--- a/inst/INSTALL
+++ b/inst/INSTALL
@@ -80,4 +80,7 @@ all: $(SHLIB)
 with the environment variable LIB_SBML being the installation directory
 of libSBML.
 
+If you want to build the package with libSBML FBC and Groups plugins functionality,
+please exchange the the first row in the Makevars.win file in src/ into
 
+PKG_CPPFLAGS= -D_R_=1 -DUSE_R=1 -DHAVE_FBC_PLUGIN=1 -DHAVE_GROUPS_PLUGIN=1 -I"$(LIB_SBML)/include"
diff --git a/inst/NEWS.Rd b/inst/NEWS.Rd
index bf802cd533a26157a145f683858b87dcbf1c8634..eeeea6a5d96713d02f4b3ac83587710a3cbf0ec5 100644
--- a/inst/NEWS.Rd
+++ b/inst/NEWS.Rd
@@ -6,7 +6,7 @@
 
 \newcommand{\CRANpkg}{\href{https://cran.r-project.org/package=#1}{\pkg{#1}}}
 % ---------------------------------------------------------------------------- %
-\section{Changes in version 3.0.4 - 3.0.8 2020-03-10}{
+\section{Changes in version 3.0.4 - 3.1.0 2020-03-23}{
   \itemize{
     \item Maintainer change.
     \item Changes to be able to build package without libSBML FBC and Groups
diff --git a/src/Makevars b/src/Makevars
deleted file mode 100644
index fa653da3c5f9c10258f6cb3b5227e8ec99fed2fa..0000000000000000000000000000000000000000
--- a/src/Makevars
+++ /dev/null
@@ -1,3 +0,0 @@
-PKG_CFLAGS=
-PKG_CPPFLAGS=-I/usr/include -I/usr/local/include -I/usr/include/sbml -I/usr/local/include/sbml
-PKG_LIBS= -L/usr/local/lib -L/usr/lib -L/usr/lib64 -lsbml
\ No newline at end of file
diff --git a/src/Makevars.in b/src/Makevars.in
index f03b4d39e17631bd443edc49d5d1275b76391553..76cd4de1e0c2a43fa3b651a87d314b5b936e89f4 100644
--- a/src/Makevars.in
+++ b/src/Makevars.in
@@ -1,3 +1,3 @@
 PKG_CFLAGS=@PKG_CFLAGS@
-PKG_CPPFLAGS=@PKG_CPPFLAGS@
+PKG_CPPFLAGS=@DEFS@ @PKG_CPPFLAGS@ 
 PKG_LIBS=@PKG_LIBS@
diff --git a/src/config.h b/src/config.h
deleted file mode 100644
index 60423413a273333855cd80ab44d6eeff29f80032..0000000000000000000000000000000000000000
--- a/src/config.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/* src/config.h.  Generated from config.h.in by configure.  */
-/* src/config.h.in.  Generated from configure.ac by autoheader.  */
-
-/* Define to 1 if you have the `FbcReactionPlugin_getLowerFluxBound' function.
-   */
-#define HAVE_FBCREACTIONPLUGIN_GETLOWERFLUXBOUND 1
-
-/* define if FBC plugin is available */
-#define HAVE_FBC_PLUGIN 1
-
-/* Define to 1 if you have the `GeneProductAssociation_setAssociation'
-   function. */
-#define HAVE_GENEPRODUCTASSOCIATION_SETASSOCIATION 1
-
-/* define if Groups plugin is available */
-#define HAVE_GROUPS_PLUGIN 1
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#define HAVE_INTTYPES_H 1
-
-/* Define to 1 if you have the `sbml' library (-lsbml). */
-#define HAVE_LIBSBML 1
-
-/* Define to 1 if you have the <memory.h> header file. */
-#define HAVE_MEMORY_H 1
-
-/* Define to 1 if you have the `SBase_getPlugin' function. */
-#define HAVE_SBASE_GETPLUGIN 1
-
-/* Define to 1 if you have the `SBMLExtensionRegistry_getRegisteredPackages'
-   function. */
-#define HAVE_SBMLEXTENSIONREGISTRY_GETREGISTEREDPACKAGES 1
-
-/* Define to 1 if you have the <sbml/packages/fbc/common/FbcExtensionTypes.h>
-   header file. */
-#define HAVE_SBML_PACKAGES_FBC_COMMON_FBCEXTENSIONTYPES_H 1
-
-/* Define to 1 if you have the
-   <sbml/packages/groups/common/GroupsExtensionTypes.h> header file. */
-#define HAVE_SBML_PACKAGES_GROUPS_COMMON_GROUPSEXTENSIONTYPES_H 1
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#define HAVE_STDINT_H 1
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#define HAVE_STDLIB_H 1
-
-/* Define to 1 if you have the <strings.h> header file. */
-#define HAVE_STRINGS_H 1
-
-/* Define to 1 if you have the <string.h> header file. */
-#define HAVE_STRING_H 1
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#define HAVE_SYS_STAT_H 1
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#define HAVE_SYS_TYPES_H 1
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#define HAVE_UNISTD_H 1
-
-/* Define to the address where bug reports for this package should be sent. */
-#define PACKAGE_BUGREPORT "mayo.roettger@hhu.de"
-
-/* Define to the full name of this package. */
-#define PACKAGE_NAME "sybilSBML"
-
-/* Define to the full name and version of this package. */
-#define PACKAGE_STRING "sybilSBML 3.0.6"
-
-/* Define to the one symbol short name of this package. */
-#define PACKAGE_TARNAME "sybilsbml"
-
-/* Define to the home page for this package. */
-#define PACKAGE_URL ""
-
-/* Define to the version of this package. */
-#define PACKAGE_VERSION "3.0.6"
-
-/* Define to 1 if you have the ANSI C header files. */
-#define STDC_HEADERS 1
diff --git a/src/sybilSBML.c b/src/sybilSBML.c
index a76ff8ce9583d690b933fbffb970526e7ad70286..1011b2b5ee830251e2591dccb922118e66922e7d 100644
--- a/src/sybilSBML.c
+++ b/src/sybilSBML.c
@@ -21,7 +21,9 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with sybilSBML.  If not, see <http://www.gnu.org/licenses/>.
 */
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif /* HAVE_CONFIG_H */
 
 #include "sybilSBML.h"
 
@@ -397,7 +399,7 @@ SEXP getSBMLFbcversion(SEXP sbmldoc) {
   unsigned int version;
   
   checkDocument(sbmldoc);
-  //hierher
+  
   SBasePlugin_t * modelPlug= NULL;
   modelPlug = SBase_getPlugin((SBase_t *)(R_ExternalPtrAddr(sbmldoc)), "fbc");
   if( modelPlug != NULL) 
@@ -1284,17 +1286,17 @@ SEXP getSBMLReactionsList(SEXP sbmlmod) {
     int objcount=0;
     int annocount=0;
     int notescount=0;
+ 
     
+#ifdef HAVE_FBC_PLUGIN
     /* Help Var for Fbc Objective*/
     double Objcoeff = 0;
     const char* Objreaction = NULL;
     char* objActiv = NULL;
     int fbcversion = 0;
- 
-    
+        
     SBasePlugin_t * modelPlug= NULL;
     
-    #ifdef HAVE_FBC_PLUGIN
     /* FBC OBJECTIV @Ardalan*/
     Objective_t * objective = NULL;
     FluxObjective_t * fluxObjective = NULL;
@@ -2156,147 +2158,148 @@ SEXP exportSBML (SEXP version, SEXP level, SEXP FbcLevel, SEXP filename, SEXP sy
         if( i+1 == INTEGER(ex_react)[k]) 
           isexchange=1;
         
-      int j=0;
-      for (j=0; j<LENGTH(met_id); j++)
+    int j=0;
+    for (j=0; j<LENGTH(met_id); j++)
+    {
+    
+      int hash = LENGTH(met_id) * i + j;
+      if (REAL(SMatrix)[hash] != 0.00 )
       {
         
-        int hash = LENGTH(met_id) * i + j;
-        if (REAL(SMatrix)[hash] != 0.00 )
+        if(REAL(SMatrix)[hash] < 0.00)
         {
+          spr = Reaction_createReactant(reaction);
+          SpeciesReference_setConstant(spr, 1);
+          SpeciesReference_setSpecies(spr,CHAR(STRING_ELT(met_id, j)));
+          SpeciesReference_setStoichiometry(spr, fabs(REAL(SMatrix)[hash]));
           
-          if(REAL(SMatrix)[hash] < 0.00)
+          //is Exchange Reaction
+          if(isexchange==1 && !Rf_isNull(ex_react))
           {
-            spr = Reaction_createReactant(reaction);
-            SpeciesReference_setConstant(spr, 1);
-            SpeciesReference_setSpecies(spr,CHAR(STRING_ELT(met_id, j)));
-            SpeciesReference_setStoichiometry(spr, fabs(REAL(SMatrix)[hash]));
+            /* Create boundary Species */
+            sp = Model_createSpecies(model);
             
-            //is Exchange Reaction
-            if(isexchange==1 && !Rf_isNull(ex_react))
-            {
-              /* Create boundary Species */
-              sp = Model_createSpecies(model);
-              
-              Species_setId(sp, append_strings(CHAR(STRING_ELT(met_id, j)),"BOUNDARY","_") );
-              Species_setName(sp,append_strings(CHAR(STRING_ELT(met_name, j)),"BOUNDARY"," ") );
-              
-              Species_setCompartment(sp,"BOUNDARY");
-              Species_setHasOnlySubstanceUnits(sp, 0);
-              Species_setBoundaryCondition(sp, 1);
-              Species_setConstant(sp, 1);
-              
-              /* Add boundary Species as Product */
-              spr = Reaction_createProduct(reaction);
-              SpeciesReference_setSpecies(spr,append_strings(CHAR(STRING_ELT(met_id, j)),"BOUNDARY","_") );
-              SpeciesReference_setStoichiometry(spr,1);
-              
-              SpeciesReference_setConstant(spr, 1);
-            }
+            Species_setId(sp, append_strings(CHAR(STRING_ELT(met_id, j)),"BOUNDARY","_") );
+            Species_setName(sp,append_strings(CHAR(STRING_ELT(met_name, j)),"BOUNDARY"," ") );
             
+            Species_setCompartment(sp,"BOUNDARY");
+            Species_setHasOnlySubstanceUnits(sp, 0);
+            Species_setBoundaryCondition(sp, 1);
+            Species_setConstant(sp, 1);
             
-          }else{
+            /* Add boundary Species as Product */
             spr = Reaction_createProduct(reaction);
+            SpeciesReference_setSpecies(spr,append_strings(CHAR(STRING_ELT(met_id, j)),"BOUNDARY","_") );
+            SpeciesReference_setStoichiometry(spr,1);
+            
             SpeciesReference_setConstant(spr, 1);
-            SpeciesReference_setSpecies(spr,CHAR(STRING_ELT(met_id, j)));
-            SpeciesReference_setStoichiometry(spr, fabs(REAL(SMatrix)[hash]));  
           }
+            
+            
+        }else{
+          spr = Reaction_createProduct(reaction);
+          SpeciesReference_setConstant(spr, 1);
+          SpeciesReference_setSpecies(spr,CHAR(STRING_ELT(met_id, j)));
+          SpeciesReference_setStoichiometry(spr, fabs(REAL(SMatrix)[hash]));  
+        }
           
-        }  
-      }
+      }  
+    }
       
       
       
-      /*Annotation*/
-      if (!Rf_isNull(react_anno) && Rf_length(react_anno) > 1  ) 
-      {  char *Manno   = (char*) CHAR(STRING_ELT(react_anno, i));
-        if((Manno != NULL) && (Manno[0] != '\0' )) 
-        {  
-          SBase_setMetaId((SBase_t*)reaction, CHAR(STRING_ELT(react_id, i)));
-          char Mannocopy[strlen(Manno)+1];
-          strcpy(Mannocopy,Manno);
-          // PARSING
-          ParseModtoAnno((SBase_t*)reaction, Mannocopy);
-          
-        }
+    /*Annotation*/
+    if (!Rf_isNull(react_anno) && Rf_length(react_anno) > 1  ) 
+    {
+      char *Manno   = (char*) CHAR(STRING_ELT(react_anno, i));
+      if((Manno != NULL) && (Manno[0] != '\0' )) 
+      {  
+        SBase_setMetaId((SBase_t*)reaction, CHAR(STRING_ELT(react_id, i)));
+        char Mannocopy[strlen(Manno)+1];
+        strcpy(Mannocopy,Manno);
+        // PARSING
+        ParseModtoAnno((SBase_t*)reaction, Mannocopy);
+        
       }
+    }
+    
+    
+    
+    /* FBC LEVEL 2 */
+    if(SBMLfbcversion == 2)
+    {  
+      // Get a SBasePlugin_t object plugged in the reaction object.
       
+      reactionPlug = SBase_getPlugin((SBase_t *)(reaction), "fbc");
       
+      const char* para_lb;
+      const char* para_ub;
       
-      /* FBC LEVEL 2 */
-      if(SBMLfbcversion == 2)
-      {  
-        // Get a SBasePlugin_t object plugged in the reaction object.
-        
-        reactionPlug = SBase_getPlugin((SBase_t *)(reaction), "fbc");
+      //default Parameter or new one
+      if (lower_bnd[i]<= sybilmin)
+      {
+        para_lb="default_lb";
+      }  
+      else if (lower_bnd[i] == 0)
+      {
+        para_lb="default_0";
+      }  
+      else
+      { //creacte Lower_bound Paramater
+        para = Model_createParameter(model);
+        Parameter_setId(para, append_strings(CHAR(STRING_ELT(react_id, i)),"lower_bound","_"));
+        Parameter_setConstant(para, 1);
+        Parameter_setValue(para, lower_bnd[i]);
+        SBase_setSBOTerm((SBase_t *)para,625);
         
-        const char* para_lb;
-        const char* para_ub;
+        para_lb=append_strings(CHAR(STRING_ELT(react_id, i)),"lower_bound","_");
         
-        //default Parameter or new one
-        if (lower_bnd[i]<= sybilmin)
-        {
-          para_lb="default_lb";
-        }  
-        else if (lower_bnd[i] == 0)
-        {
-          para_lb="default_0";
-        }  
-        else
-        { //creacte Lower_bound Paramater
-          para = Model_createParameter(model);
-          Parameter_setId(para, append_strings(CHAR(STRING_ELT(react_id, i)),"lower_bound","_"));
-          Parameter_setConstant(para, 1);
-          Parameter_setValue(para, lower_bnd[i]);
-          SBase_setSBOTerm((SBase_t *)para,625);
-          
-          para_lb=append_strings(CHAR(STRING_ELT(react_id, i)),"lower_bound","_");
-          
-        }  
+      }  
+      
+      if (upper_bnd[i] >= sybilmax)
+      {
+        para_ub="default_ub";
+      }
+      
+      else if (upper_bnd[i] == 0)
+      {
+        para_ub="default_0";
+      }  
+      
+      else
+      {
+        //creacte upper_bound Paramater
+        para = Model_createParameter(model);
+        Parameter_setId(para, append_strings(CHAR(STRING_ELT(react_id, i)),"upper_bound","_"));
+        Parameter_setConstant(para, 1);
+        Parameter_setValue(para, upper_bnd[i]);
+        SBase_setSBOTerm((SBase_t *)para,625);
         
-        if (upper_bnd[i] >= sybilmax)
-        {
-          para_ub="default_ub";
-        }
+        para_ub=append_strings(CHAR(STRING_ELT(react_id, i)),"upper_bound","_");
+      }  
+      
+      // set the flux bounds for this reaction
+      FbcReactionPlugin_setLowerFluxBound(reactionPlug, para_lb);
+      FbcReactionPlugin_setUpperFluxBound(reactionPlug, para_ub);
+      
+      // OBJECTIVES
+      if (INTEGER(obj_coef)[i]!=0)
+      {
+        objective = Objective_create(3, 1, 2);
+        Objective_setId(objective, "obj");
+        Objective_setType(objective, "maximize");
         
-        else if (upper_bnd[i] == 0)
-        {
-          para_ub="default_0";
-        }  
+        fluxObjective = Objective_createFluxObjective(objective);
+        FluxObjective_setReaction(fluxObjective, CHAR(STRING_ELT(react_id, i)));
+        FluxObjective_setCoefficient(fluxObjective, INTEGER(obj_coef)[i]);
         
-        else
-        {
-          //creacte upper_bound Paramater
-          para = Model_createParameter(model);
-          Parameter_setId(para, append_strings(CHAR(STRING_ELT(react_id, i)),"upper_bound","_"));
-          Parameter_setConstant(para, 1);
-          Parameter_setValue(para, upper_bnd[i]);
-          SBase_setSBOTerm((SBase_t *)para,625);
-          
-          para_ub=append_strings(CHAR(STRING_ELT(react_id, i)),"upper_bound","_");
-        }  
+        FbcModelPlugin_addObjective(modelPlug, objective);
         
-        // set the flux bounds for this reaction
-        FbcReactionPlugin_setLowerFluxBound(reactionPlug, para_lb);
-        FbcReactionPlugin_setUpperFluxBound(reactionPlug, para_ub);
+        // mark obj1 as active objective
+        FbcModelPlugin_setActiveObjectiveId(modelPlug, "obj");
         
-        // OBJECTIVES
-        if (INTEGER(obj_coef)[i]!=0)
-        {
-          objective = Objective_create(3, 1, 2);
-          Objective_setId(objective, "obj");
-          Objective_setType(objective, "maximize");
-          
-          fluxObjective = Objective_createFluxObjective(objective);
-          FluxObjective_setReaction(fluxObjective, CHAR(STRING_ELT(react_id, i)));
-          FluxObjective_setCoefficient(fluxObjective, INTEGER(obj_coef)[i]);
-          
-          FbcModelPlugin_addObjective(modelPlug, objective);
-          
-          // mark obj1 as active objective
-          FbcModelPlugin_setActiveObjectiveId(modelPlug, "obj");
-          
-        }  
-      }
+      }  
+    }
       
       
   }// ENDE REACTION