STW2DXF Error 0006

And this command line:

$ ~/source/bin/dhpxt -testD -abd=dhpxtC.abd -list=listC.xml -config=./

Gives this error:

... (BLOCK) lId4812 POLYS (BLOCK) lId4814 POLYS (BLOCK) lId4819 DUP POINTS (hole) * glibc detected * /home/dwh/source/bin/dhpxt: double free or corruption (prev): 0x082fca60 * Backtrace: == /lib/tls/i686/cmov/libc.so.6(+0x6b591)[0x183591] /lib/tls/i686/cmov/libc.so.6(+0x6cde8)[0x184de8] /lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0x187ecd] /home/dwh/source/lib/dhpx.so(iDxfx_xmlRecFuncFeaturePolys+0x1051)[0xd4fcd5] /home/dwh/source/lib/dhpx.so(vXml0_handlerEnd2+0x3b5)[0xe3bbd0] /home/dwh/source/lib/dhpx.so(+0x199f02)[0xe55f02] /home/dwh/source/lib/dhpx.so(+0x19afad)[0xe56fad] /home/dwh/source/lib/dhpx.so(XML_ParseBuffer+0x6a)[0xe5050a] /home/dwh/source/lib/dhpx.so(iXml0_parseFileInRecords+0x543)[0xe40eea] /home/dwh/source/lib/dhpx.so(iDxfx_xmlDhpxToDxfRecords+0x641)[0xd4c8f0] /home/dwh/source/lib/dhpx.so(iDxfx_dxfFromDhpXmlFile+0x313)[0xd44190] /home/dwh/source/lib/dhpx.so(iDxfx_dxfFromDhpXmlFiles+0x138)[0xd4434c] /home/dwh/source/lib/dhpx.so(iDhpx_conversion_dhp_XML_to_DXF+0x5c9)[0xd3d3d6] /home/dwh/source/lib/dhpx.so(iDhpx_processConversion+0x369)[0xd4071f] /home/dwh/source/lib/dhpx.so(iDhpx_processConversions+0x193)[0xd40bb2] /home/dwh/source/bin/dhpxt[0x804a4dc] /home/dwh/source/bin/dhpxt[0x80496b6] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x12ebd6] /home/dwh/source/bin/dhpxt[0x8048c71] Memory map: = ...

NOTE: Valgrind was not being used. It was glibc that caught this.