0.000 2020-05-21 22:27:32; Factorio 0.17.79 (build 47865, linux64, demo)
   0.041 Operating system: Linux (Ubuntu 20.04)
   0.041 Program arguments: "/home/tal/Downloads/factorio/bin/x64/factorio" 
   0.041 Read data path: /home/tal/Downloads/factorio/data
   0.041 Write data path: /home/tal/Downloads/factorio [127717/239340MB]
   0.041 Binaries path: /home/tal/Downloads/factorio/bin
   0.047 System info: [CPU: Intel(R) Core(TM) i5-7300U CPU @ 2.60GHz, 4 cores, RAM: 15665 MB]
   0.047 Environment: DISPLAY=:0 WAYLAND_DISPLAY=<unset> DESKTOP_SESSION=ubuntu XDG_SESSION_DESKTOP=ubuntu XDG_CURRENT_DESKTOP=ubuntu:GNOME __GL_FSAA_MODE=<unset> __GL_LOG_MAX_ANISO=<unset> __GL_SYNC_TO_VBLANK=<unset> __GL_SORT_FBCONFIGS=<unset> __GL_YIELD=<unset>
   0.047 Display options: [FullScreen: 1] [VSync: 1] [UIScale: automatic (100.0%)] [Native DPI: 1] [Screen: 255] [Special: lmw] [Lang: en]
   0.178 Available displays: 1
   0.178  [0]: 0 - {[0,0], 1920x1080, SDL_PIXELFORMAT_RGB888, 60Hz}
   0.211 Initialised OpenGL:[0] Mesa Intel(R) HD Graphics 620 (KBL GT2); driver: 4.6 (Core Profile) Mesa 20.0.4
   0.211   [Extensions] s3tc:yes; KHR_debug:yes; ARB_clear_texture:yes, ARB_copy_image:yes
   0.211   [Version] 4.6
   0.234 Graphics settings preset: very-high
   0.234   Dedicated video memory size 11748 MB (detected from Intel(R) HD Graphics 620 (KBL GT2); VendorID: 0x8086; DeviceID: 0x5916)
   0.271 Graphics options: [Graphics quality: high] [Video memory usage: all] [Light scale: 25%] [DXT: high-quality] [Color: 32bit]
   0.272                   [Max threads (load/render): 32/4] [Max texture size: 0] [Tex.Stream.: 0] [Rotation quality: normal] [Other: STDC]
   5.024 Error CrashHandler.cpp:603: Received SIGSEGV
Factorio crashed. Generating symbolized stacktrace, please wait ...
Raw stacktrace: 0xb46b58, 0xd33f8d, 0xbe015d, 0xbe04cd, 0xbe0529, 0x46210, 0xb20838, 0xb21a3d, 0xce5de4, 0xafce5d, 0xafda95, 0x13c774, 0xd0a386, 0x57d98e, 0xd9d4a1, 0xe89016, 0xfdda86, 0x1008d33, 0x536086, 0, 0x547e1e
   5.024 Warning Logger.cpp:514: Couldn't symbolize stacktrace: (resolving symbol failed: popen). Make sure you have addr2line installed to produce better stacktraces

Stack trace logging done
   5.024 Warning Logger.cpp:514: Couldn't symbolize stacktrace: (resolving symbol failed: popen). Make sure you have addr2line installed to produce better stacktraces

   5.024 Error Util.cpp:97: Unexpected error occurred. If you're running the latest version of the game you can help us solve the problem by posting the contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be using, and any steps you know of to reproduce the crash.