0.000 2019-03-02 21:10:08; Factorio 0.17.4 (build 43174, mac, steam)
   0.000 Operating system: macOS 10.12.6
   0.000 Program arguments: "/Users/sonny.mckenzie/Library/Application Support/Steam/steamapps/common/Factorio/factorio.app/Contents/MacOS/factorio" 
   0.000 Read data path: /Users/sonny.mckenzie/Library/Application Support/Steam/SteamApps/common/Factorio/factorio.app/Contents/data
   0.000 Write data path: /Users/sonny.mckenzie/Library/Application Support/factorio [61279/238080MB]
   0.000 Binaries path: /Users/sonny.mckenzie/Library/Application Support/Steam/SteamApps/common/Factorio/factorio.app/Contents
   0.009 System info: [CPU:       Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz, 8 cores, RAM: 8192 MB]
   0.009 Display options: [FullScreen: 0] [VSync: 1] [UIScale: automatic (100.0%)] [MultiSampling: OFF] [Screen: 255] [Lang: en]
   1.258 Available displays: 1
   1.258  [0]: Color LCD - {[0,0], 1440x900, SDL_PIXELFORMAT_ARGB8888, 60Hz}
   1.408 Initialised OpenGL:[0] NVIDIA GeForce GT 650M OpenGL Engine; driver: 4.1 NVIDIA-10.17.5 355.10.05.45f01
   1.408   [Extensions] s3tc:yes; KHR_debug:NO; ARB_clear_texture:NO, ARB_copy_image:NO
   1.408   [Version] 4.1
   1.578   Dedicated video memory size 1024 MB (detected from GeForce GT 650M)
   1.578 Graphics options: [Graphics quality: normal] [Video memory usage: high] [Light scale: 25%] [DXT: low-quality]
   1.578                   [Max load threads: 32] [Max texture size: 4096] [Tex.Stream.: 1] [Low quality rotation: 1]
   2.197 Loading mod core 0.0.0 (data.lua)
   2.305 Loading mod base 0.17.4 (data.lua)
   2.589 Loading mod base 0.17.4 (data-updates.lua)
   2.717 Checksum for core: 3928040144
   2.717 Checksum of base: 60305742
   3.336 Loading sounds...
   3.627 Info PlayerData.cpp:69: Local player-data.json unavailable
   3.627 Info PlayerData.cpp:72: Cloud player-data.json available, timestamp 1551489832
   3.753 Initial atlas bitmap size is 4096
   3.758 Created atlas bitmap 4096x4096 [none]
   3.766 Created atlas bitmap 4096x4096 [none]
   3.769 Created atlas bitmap 4096x4080 [none]
   3.771 Created atlas bitmap 4096x4096 [none]
   3.773 Created atlas bitmap 4096x4096 [none]
   3.775 Created atlas bitmap 4096x4096 [none]
   3.775 Created atlas bitmap 4096x364 [none]
   3.775 Created atlas bitmap 4096x1960 [decal]
   3.775 Created atlas bitmap 4096x3840 [low-object]
   3.775 Created atlas bitmap 4096x1984 [mipmap, linear-minification, linear-magnification, linear-mip-level]
   3.778 Created atlas bitmap 4096x4096 [terrain, mipmap, linear-minification, linear-mip-level, no-crop]
   3.778 Created atlas bitmap 4096x4000 [terrain, mipmap, linear-minification, linear-mip-level, no-crop]
   3.778 Created atlas bitmap 4096x1600 [smoke, mipmap, linear-minification, linear-magnification]
   3.778 Created atlas bitmap 4096x1392 [not-compressed, mipmap, linear-minification, linear-magnification, linear-mip-level, no-crop, no-scale]
   3.778 Created atlas bitmap 4096x828 [alpha-mask]
   3.782 Created atlas bitmap 4096x4096 [shadow, linear-magnification, alpha-mask]
   3.784 Created atlas bitmap 4096x4088 [shadow, linear-magnification, alpha-mask]
   3.790 Created atlas bitmap 4096x4080 [shadow, linear-magnification, alpha-mask]
   3.790 Created atlas bitmap 4096x544 [shadow, linear-magnification, alpha-mask]
   3.790 Created atlas bitmap 4096x1296 [shadow, mipmap, linear-magnification, alpha-mask]
   3.858 Created virtual atlas pages 4096x4096x2
   3.886 Error CrashHandler.cpp:515: Received SIGSEGV
Factorio crashed. Generating symbolized stacktrace, please wait ...
   4.085 Warning Logger.cpp:487: Couldn't symbolize stacktrace: (resolving symbol failed: fread). Make sure you have atos installed to produce better stacktraces

Stack trace logging done
   4.249 Warning Logger.cpp:487: Couldn't symbolize stacktrace: (resolving symbol failed: fread). Make sure you have atos installed to produce better stacktraces

   4.249 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.
  19.767 Received SIGTERM, shutting down
  24.070 Received SIGTERM, shutting down
  24.070 Error CrashHandler.cpp:515: Received SIGSEGV