SloMo example triggers breakpoint

Visual Studio 2017 Debug x64 build.

arguments:
slomo.exe --frames 2 --input d:\ttt.mp4 --output d:\slomo.mp4

also tried --frames 1 or 5, some different input files.

Callstack:
nvngx_dlslowmo.dll!00007ffdf4f5ac09() Unknown
nvngx_dlslowmo.dll!00007ffdf4f5af05() Unknown
nvngx_dlslowmo.dll!00007ffdf4f57621() Unknown
nvngx_dlslowmo.dll!00007ffdf4f56ffd() Unknown
nvngx_dlslowmo.dll!00007ffdf4f54b97() Unknown
nvngx_dlslowmo.dll!00007ffdf4f551e1() Unknown
nvngx_dlslowmo.dll!00007ffdf4f51281() Unknown
nvngx_dlslowmo.dll!00007ffdf4f520e7() Unknown
nvngx_dlslowmo.dll!00007ffdf4f4eb6a() Unknown
nvngx.dll!00007ffe35ddc60c() Unknown
slomo.exe!NVSDK_NGX_CUDA_EvaluateFeature(const NVSDK_NGX_Handle * InHandle, const NVSDK_NGX_Parameter * InParameters, void(*)(float, bool &) InCallback) Line 145 C++
slomo.exe!CNGXSloMo::EvaluateSloMo(void * Input1, void * Input2, const std::vector<std::unique_ptr<void,cudaRelease>,std::allocator<std::unique_ptr<void,cudaRelease> > > & Output, unsigned __int64 InputSize, unsigned __int64 OutputSize, unsigned int Frames) Line 144 C++

slomo.exe!main(int argc, char * * argv) Line 284 C++

System info:

NVIDIA System Information report created on: 07/13/2019 19:05:16
System name: DESKTOP-2EMF6B1

[Display]
Operating System: Windows 10 Pro, 64-bit
DirectX version: 12.0
GPU processor: Quadro RTX 4000
Driver version: 425.25
Driver Type: Standard
Direct3D API version: 12
Direct3D feature level: 12_1
CUDA Cores: 2304
Core clock: 1545 MHz
Memory data rate: 13.00 Gbps
Memory interface: 256-bit
Memory bandwidth: 416.06 GB/s
Total available graphics memory: 16343 MB
Dedicated video memory: 8192 MB GDDR6
System video memory: 0 MB
Shared system memory: 8151 MB
Video BIOS version: 90.04.32.00.03
IRQ: Not used
Bus: PCI Express x8 Gen3
Device Id: 10DE 1EB1 12A010DE
Part Number: G160 0500

[Components]

nvui.dll 8.17.14.2525 NVIDIA User Experience Driver Component
nvxdplcy.dll 8.17.14.2525 NVIDIA User Experience Driver Component
nvxdbat.dll 8.17.14.2525 NVIDIA User Experience Driver Component
nvxdapix.dll 8.17.14.2525 NVIDIA User Experience Driver Component
NVCPL.DLL 8.17.14.2525 NVIDIA User Experience Driver Component
nvCplUIR.dll 8.1.940.0 NVIDIA Control Panel
nvCplUI.exe 8.1.940.0 NVIDIA Control Panel
nvWSSR.dll 25.21.14.2525 NVIDIA Workstation Server
nvWSS.dll 25.21.14.2525 NVIDIA Workstation Server
nvViTvSR.dll 25.21.14.2525 NVIDIA Video Server
nvViTvS.dll 25.21.14.2525 NVIDIA Video Server
NVSTVIEW.EXE 7.17.14.2525 NVIDIA 3D Vision Photo Viewer
NVSTTEST.EXE 7.17.14.2525 NVIDIA 3D Vision Test Application
NVSTRES.DLL 7.17.14.2525 NVIDIA 3D Vision Module
nvDispSR.dll 25.21.14.2525 NVIDIA Display Server
NVMCTRAY.DLL 25.21.14.2525 NVIDIA Media Center Library
nvDispS.dll 25.21.14.2525 NVIDIA Display Server
nvDevToolS.dll 25.21.14.2525 NVIDIA 3D Settings Server
PhysX 09.19.0218 NVIDIA PhysX
NVCUDA.DLL 25.21.14.2525 NVIDIA CUDA 10.1.152 driver
nvGameSR.dll 25.21.14.2525 NVIDIA 3D Settings Server
nvGameS.dll 25.21.14.2525 NVIDIA 3D Settings Server