0.002 2019-03-05 14:40:17; Factorio 0.17.6 (build 43339, mac, alpha)
   0.003 Operating system: macOS 10.14.3
   0.003 Program arguments: "/Applications/factorio.app/Contents/MacOS/factorio" 
   0.003 Read data path: /Applications/factorio.app/Contents/data
   0.003 Write data path: /Users/myasullivan/Library/Application Support/factorio [164450/239072MB]
   0.003 Binaries path: /Applications/factorio.app/Contents
   0.020 System info: [CPU: Intel(R) Core(TM) m3-6Y30 CPU @ 0.90GHz, 4 cores, RAM: 8192 MB]
   0.020 Display options: [FullScreen: 0] [VSync: 0] [UIScale: custom (150.0%)] [MultiSampling: OFF] [Screen: 255] [Lang: en]
   0.274 Available displays: 1
   0.274  [0]: Color LCD - {[0,0], 1280x800, SDL_PIXELFORMAT_ARGB8888, 60Hz}
   0.406 Initialised OpenGL:[0] Intel(R) HD Graphics 515; driver: 4.1 INTEL-12.4.7
   0.406   [Extensions] s3tc:yes; KHR_debug:NO; ARB_clear_texture:NO, ARB_copy_image:NO
   0.406   [Version] 4.1
   0.682 Graphics settings preset: high
   0.683   Dedicated video memory size 1536 MB (detected from Intel(R) HD Graphics 515)
   0.683 Graphics options: [Graphics quality: normal] [Video memory usage: all] [Light scale: 25%] [DXT: low-quality]
   0.683                   [Max load threads: 32] [Max texture size: 4096] [Tex.Stream.: 0] [Low quality rotation: 1]
   7.739 Loading mod core 0.0.0 (data.lua)
   7.901 Loading mod base 0.17.6 (data.lua)
Factorio crashed. Generating symbolized stacktrace, please wait ...
#1  0x000000010eff80a2 in Logger::logStacktrace(StackTraceInfo*) + 0x12
#2  0x000000010efe16ad in CrashHandler::writeStackTrace(CrashHandler::CrashReason) + 0x9d
#3  0x000000010efe2334 in CrashHandler::commonSignalHandler(int) + 0x74
#4  0x000000010efe1599 in CrashHandler::SignalHandler(int) + 0x9
#5  0x00007fff6b2f3b3d in _sigtramp + 0x1d
Stack trace logging done
  13.490 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.