i am getting segmentation error while running the MEX file. how to solve this problem?

   Segmentation violation detected at Thu Jul 30 21:31:23 2015
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Configuration: Crash Decoding : Disabled Default Encoding : windows-1252 MATLAB Architecture: win64 MATLAB Root : C:\Program Files\MATLAB\R2013a MATLAB Version : 8.1.0.604 (R2013a) Operating System : Microsoft Windows 7 Processor ID : x86 Family 6 Model 37 Stepping 5, GenuineIntel Virtual Machine : Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot™ 64-Bit Server VM mixed mode Window System : Version 6.1 (Build 7600)

Fault Count: 1

Abnormal termination: Segmentation violation

Register State (from fault): RAX = 0000cae801d18329 RBX = 000000003f100d70 RCX = 000000003f100d70 RDX = 000000006af7efc0 RSP = 0000000004020d20 RBP = 0000000004021da0 RSI = 0000000113dfdf70 RDI = 0000000000000000

   R8 = 0000000000000000   R9 = 0000000000000201
  R10 = 0000000075a20000  R11 = 0000000004021da0
  R12 = 000000000000127f  R13 = 000000013f114d40
  R14 = 0000000000000003  R15 = 0000000004021da0

RIP = 000007fef7f619a5  EFL = 00010202

   CS = 0033   FS = 0053   GS = 002b

Stack Trace (from fault): [ 0] 0x000007fef7f619a5 K:\samyuktha\SFMedu2\denseMatch\priority_queue_1.0\pq_push.mexw64+00006565 [ 1] 0x00000000041df731 C:\Program Files\MATLAB\R2013a\bin\win64\libmex.dll+00063281 mexRunMexFile+00000129 [ 2] 0x00000000041de202 C:\Program Files\MATLAB\R2013a\bin\win64\libmex.dll+00057858 inSwapMexfileReader+00000226 [ 3] 0x00000000041df2b4 C:\Program Files\MATLAB\R2013a\bin\win64\libmex.dll+00062132 _constructor_lm_mexmaci64+00001620 [ 4] 0x0000000074e8c64f C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00050767 Mfh_file::dispatch_fh+00000623 [ 5] 0x0000000074e8ced2 C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00052946 Mfunction_handle::dispatch+00000802 [ 6] 0x00000000046fbc7b C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00834683 inDestroyWS+00392123 [ 7] 0x00000000046eb091 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00766097 inDestroyWS+00323537 [ 8] 0x00000000046d008f C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00655503 inDestroyWS+00212943 [ 9] 0x00000000046e65a4 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00746916 inDestroyWS+00304356 [ 10] 0x00000000046dc3b0 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00705456 inDestroyWS+00262896 [ 11] 0x00000000046cf112 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00651538 inDestroyWS+00208978 [ 12] 0x00000000046d0bd0 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00658384 inDestroyWS+00215824 [ 13] 0x00000000046bcf79 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00577401 inDestroyWS+00134841 [ 14] 0x0000000074e8c64f C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00050767 Mfh_file::dispatch_fh+00000623 [ 15] 0x0000000074e8ced2 C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00052946 Mfunction_handle::dispatch+00000802 [ 16] 0x00000000046fbc7b C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00834683 inDestroyWS+00392123 [ 17] 0x00000000046eb091 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00766097 inDestroyWS+00323537 [ 18] 0x00000000046d008f C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00655503 inDestroyWS+00212943 [ 19] 0x00000000046e65a4 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00746916 inDestroyWS+00304356 [ 20] 0x00000000046dc3b0 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00705456 inDestroyWS+00262896 [ 21] 0x00000000046d8fe4 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00692196 inDestroyWS+00249636 [ 22] 0x00000000046f021f C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00786975 inDestroyWS+00344415 [ 23] 0x00000000046f0370 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00787312 inDestroyWS+00344752 [ 24] 0x00000000046cf1dd C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00651741 inDestroyWS+00209181 [ 25] 0x00000000046d0bd0 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00658384 inDestroyWS+00215824 [ 26] 0x00000000046bcf79 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00577401 inDestroyWS+00134841 [ 27] 0x0000000074e8c64f C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00050767 Mfh_file::dispatch_fh+00000623 [ 28] 0x0000000074e8ced2 C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00052946 Mfunction_handle::dispatch+00000802 [ 29] 0x00000000046d6d48 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00683336 inDestroyWS+00240776 [ 30] 0x000000000464f9f7 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00129527 inFullEvalFcn+00022023 [ 31] 0x00000000046da877 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00698487 inDestroyWS+00255927 [ 32] 0x00000000046f021f C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00786975 inDestroyWS+00344415 [ 33] 0x00000000046f0370 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00787312 inDestroyWS+00344752 [ 34] 0x00000000046cf1dd C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00651741 inDestroyWS+00209181 [ 35] 0x00000000046d0bd0 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00658384 inDestroyWS+00215824 [ 36] 0x00000000046bcf79 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00577401 inDestroyWS+00134841 [ 37] 0x0000000074e8c64f C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00050767 Mfh_file::dispatch_fh+00000623 [ 38] 0x0000000074e8ced2 C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00052946 Mfunction_handle::dispatch+00000802 [ 39] 0x00000000046d6d48 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00683336 inDestroyWS+00240776 [ 40] 0x000000000464f9f7 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00129527 inFullEvalFcn+00022023 [ 41] 0x00000000046da877 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00698487 inDestroyWS+00255927 [ 42] 0x00000000046f021f C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00786975 inDestroyWS+00344415 [ 43] 0x00000000046f0370 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00787312 inDestroyWS+00344752 [ 44] 0x00000000046cf1dd C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00651741 inDestroyWS+00209181 [ 45] 0x00000000046d0bd0 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00658384 inDestroyWS+00215824 [ 46] 0x00000000046bcf79 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00577401 inDestroyWS+00134841 [ 47] 0x0000000074e8c64f C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00050767 Mfh_file::dispatch_fh+00000623 [ 48] 0x0000000074e8ced2 C:\Program Files\MATLAB\R2013a\bin\win64\m_dispatcher.dll+00052946 Mfunction_handle::dispatch+00000802 [ 49] 0x000000000463e70e C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00059150 inValidateLoadedObject+00002350 [ 50] 0x0000000004746495 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+01139861 IInterpreter::IInterpreter+00000229 [ 51] 0x000000000474ca45 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+01165893 inRegisterFunctionHandles+00004405 [ 52] 0x000000000474ca12 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+01165842 inRegisterFunctionHandles+00004354 [ 53] 0x000000000474c9d7 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+01165783 inRegisterFunctionHandles+00004295 [ 54] 0x000000000473ba0e C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+01096206 inGetSeqVarPtrsFromCurrentWS+00005742 [ 55] 0x000000000463be89 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00048777 inEvalCmdWithLocalReturn+00000329 [ 56] 0x000000000463bdcc C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00048588 inEvalCmdWithLocalReturn+00000140 [ 57] 0x000000000463bd81 C:\Program Files\MATLAB\R2013a\bin\win64\m_interpreter.dll+00048513 inEvalCmdWithLocalReturn+00000065 [ 58] 0x0000000079fbbecd C:\Program Files\MATLAB\R2013a\bin\win64\libmwbridge.dll+00048845 mnDebugPrompt+00000109 [ 59] 0x0000000079fbd01b C:\Program Files\MATLAB\R2013a\bin\win64\libmwbridge.dll+00053275 mnParser+00000763 [ 60] 0x000000007499daa4 C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00187044 mcrInstance::mnParser_on_interpreter_thread+00000036 [ 61] 0x0000000074982220 C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00074272 mcr::setInterpreterThreadToCurrent+00031664 [ 62] 0x0000000074982280 C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00074368 mcr::setInterpreterThreadToCurrent+00031760 [ 63] 0x0000000005d5f9d6 C:\Program Files\MATLAB\R2013a\bin\win64\uiw.dll+00391638 UIW_IsUserMessage+00000086 [ 64] 0x0000000005d60095 C:\Program Files\MATLAB\R2013a\bin\win64\uiw.dll+00393365 UIW_SetGLIMUserMsg+00000117 [ 65] 0x0000000077418fea C:\Windows\system32\USER32.dll+00167914 GetMessagePos+00001114 [ 66] 0x000000007740201b C:\Windows\system32\USER32.dll+00073755 SystemParametersInfoW+00000235 [ 67] 0x0000000077407195 C:\Windows\system32\USER32.dll+00094613 GetGUIThreadInfo+00000469 [ 68] 0x000000007753fdf5 C:\Windows\SYSTEM32\ntdll.dll+00327157 KiUserCallbackDispatcher+00000031 [ 69] 0x000000007740bb2a C:\Windows\system32\USER32.dll+00113450 PeekMessageW+00000186 [ 70] 0x00000000774061a6 C:\Windows\system32\USER32.dll+00090534 PeekMessageA+00000198 [ 71] 0x0000000077406137 C:\Windows\system32\USER32.dll+00090423 PeekMessageA+00000087 [ 72] 0x0000000005d39a1b C:\Program Files\MATLAB\R2013a\bin\win64\uiw.dll+00236059 UIW_SetCurrentDialog+00000731 [ 73] 0x0000000005d61532 C:\Program Files\MATLAB\R2013a\bin\win64\uiw.dll+00398642 ws_FreeSystemFont+00000482 [ 74] 0x00000000043d8930 C:\Program Files\MATLAB\R2013a\bin\win64\libmwservices.dll+00887088 services::system_events::PpeDispatchHook::~PpeDispatchHook+00055600 [ 75] 0x00000000043d92f5 C:\Program Files\MATLAB\R2013a\bin\win64\libmwservices.dll+00889589 services::system_events::PpeDispatchHook::~PpeDispatchHook+00058101 [ 76] 0x00000000043da100 C:\Program Files\MATLAB\R2013a\bin\win64\libmwservices.dll+00893184 services::system_events::PpeDispatchHook::~PpeDispatchHook+00061696 [ 77] 0x00000000043e28d2 C:\Program Files\MATLAB\R2013a\bin\win64\libmwservices.dll+00927954 svWS_ProcessPendingEvents+00001090 [ 78] 0x000000007498329d C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00078493 mcr::setInterpreterThreadToCurrent+00035885 [ 79] 0x0000000074983562 C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00079202 mcr::setInterpreterThreadToCurrent+00036594 [ 80] 0x0000000074976915 C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00026901 mcrInstantiationError::operator=+00003781 [ 81] 0x0000000074979d52 C:\Program Files\MATLAB\R2013a\bin\win64\mcr.dll+00040274 mcr_invoke_on_interpreter_thread+00001602 [ 82] 0x0000000140005591 C:\Program Files\MATLAB\R2013a\bin\win64\MATLAB.exe+00021905 [ 83] 0x0000000140005c3a C:\Program Files\MATLAB\R2013a\bin\win64\MATLAB.exe+00023610 [ 84] 0x0000000140006103 C:\Program Files\MATLAB\R2013a\bin\win64\MATLAB.exe+00024835 [ 85] 0x00000000772ef56d C:\Windows\system32\kernel32.dll+00128365 BaseThreadInitThunk+00000013 [ 86] 0x0000000077523281 C:\Windows\SYSTEM32\ntdll.dll+00209537 RtlUserThreadStart+00000033

This error was detected while a MEX-file was running. If the MEX-file is not an official MathWorks function, please examine its source code for errors. Please consult the External Interfaces Guide for information on debugging MEX-files.