Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: non-double matrix element
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: wrong number of matrix elements
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 80: saw unknown, expected number
2017-06-22 05:50:17,611 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin ConsoleLogger
2017-06-22 05:50:17,645 - INFO - CuraEngineBackend.CuraEngineBackend.__init__ [64]: Found CuraEngine at: /tmp/.mount_ob7uIC/usr/bin/CuraEngine
2017-06-22 05:50:17,647 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin CuraEngineBackend
2017-06-22 05:50:17,653 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin CuraProfileReader
2017-06-22 05:50:17,658 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin CuraProfileWriter
2017-06-22 05:50:17,664 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin OBJReader
2017-06-22 05:50:17,674 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin OBJWriter
2017-06-22 05:50:17,678 - WARNING - STLReader.STLReader.<module> [25]: Could not find numpy-stl, falling back to slower code.
2017-06-22 05:50:17,682 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin STLReader
2017-06-22 05:50:17,688 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin STLWriter
2017-06-22 05:50:17,693 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin FileLogger
2017-06-22 05:50:17,699 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin GCodeProfileReader
2017-06-22 05:50:17,712 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin GCodeReader
2017-06-22 05:50:17,718 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin GCodeWriter
2017-06-22 05:50:17,729 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin ImageReader
2017-06-22 05:50:17,758 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin LayerView
2017-06-22 05:50:17,765 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin LegacyProfileReader
2017-06-22 05:50:17,777 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin LocalFileOutputDevice
2017-06-22 05:50:17,788 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin MachineSettingsAction
2017-06-22 05:50:17,838 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin OctoPrintPlugin
2017-06-22 05:50:17,849 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin PerObjectSettingsTool
2017-06-22 05:50:17,861 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin PostProcessingPlugin
2017-06-22 05:50:17,878 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin RemovableDriveOutputDevice
2017-06-22 05:50:17,954 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin SliceInfoPlugin
2017-06-22 05:50:17,961 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin SolidView
2017-06-22 05:50:17,969 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin CameraTool
2017-06-22 05:50:17,978 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin MirrorTool
2017-06-22 05:50:17,998 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin RotateTool
2017-06-22 05:50:18,010 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin ScaleTool
2017-06-22 05:50:18,019 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin SelectionTool
2017-06-22 05:50:18,030 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin TranslateTool
2017-06-22 05:50:18,046 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin UltimakerMachineActions
2017-06-22 05:50:18,128 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin UM3NetworkPrinting
2017-06-22 05:50:18,155 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin UpdateChecker
2017-06-22 05:50:18,156 - INFO - UpdateChecker.UpdateCheckerJob.run [43]: Checking for new version of cura
2017-06-22 05:50:18,213 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin USBPrinting
2017-06-22 05:50:18,235 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin VersionUpgrade21to22
2017-06-22 05:50:18,243 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin VersionUpgrade22to24
2017-06-22 05:50:18,249 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin VersionUpgrade25to26
2017-06-22 05:50:18,255 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin SimpleView
2017-06-22 05:50:18,277 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin X3DReader
2017-06-22 05:50:18,293 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin XmlMaterialProfile
2017-06-22 05:50:18,302 - INFO - UM.PluginRegistry.loadPlugin [176]: Loaded plugin XRayView
2017-06-22 05:50:18,304 - INFO - UM.Qt.QtApplication.__init__ [112]: Command line arguments: {'disable-textures': False, 'single_instance': False, 'file': [], 'qmljsdebugger': None, 'external-backend': False}
2017-06-22 05:50:18,313 - INFO - UM.VersionUpgradeManager.upgrade [112]: Looking for old configuration files to upgrade.
2017-06-22 05:50:18,314 - DEBUG - USBPrinting.USBPrinterOutputDevice._connect [311]: Attempting to connect to /dev/ttyACM0
2017-06-22 05:50:18,340 - DEBUG - UM.Backend.Backend._logSocketState [168]: Socket state changed to Listening
2017-06-22 05:50:18,350 - INFO - UM.Backend.Backend.startEngine [72]: Started engine process: /tmp/.mount_ob7uIC/usr/bin/CuraEngine
2017-06-22 05:50:18,353 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] Calling engine with: ['/tmp/.mount_ob7uIC/usr/bin/CuraEngine', 'connect', '127.0.0.1:49674', '-j', '/tmp/.mount_ob7uIC/usr/bin/resources/definitions/fdmprinter.def.json', '']
2017-06-22 05:50:18,356 - WARNING - UM.OutputDevice.OutputDeviceManager.removeOutputDevice [125]: Could not find output device with id /dev/ttyACM0 to remove
2017-06-22 05:50:18,400 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] 
2017-06-22 05:50:18,402 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] Cura_SteamEngine version DEV
2017-06-22 05:50:18,403 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] Copyright (C) 2014 David Braam
2017-06-22 05:50:18,405 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] 
2017-06-22 05:50:18,407 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] This program is free software: you can redistribute it and/or modify
2017-06-22 05:50:18,409 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] it under the terms of the GNU Affero General Public License as published by
2017-06-22 05:50:18,411 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] the Free Software Foundation, either version 3 of the License, or
2017-06-22 05:50:18,412 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] (at your option) any later version.
2017-06-22 05:50:18,414 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] 
2017-06-22 05:50:18,416 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] This program is distributed in the hope that it will be useful,
2017-06-22 05:50:18,418 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] but WITHOUT ANY WARRANTY; without even the implied warranty of
2017-06-22 05:50:18,419 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2017-06-22 05:50:18,420 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] GNU Affero General Public License for more details.
2017-06-22 05:50:18,422 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] 
2017-06-22 05:50:18,424 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] You should have received a copy of the GNU Affero General Public License
2017-06-22 05:50:18,426 - DEBUG - UM.Backend.Backend._backendLog [90]: [Backend] along with this program.  If not, see <http://www.gnu.org/licenses/>.
2017-06-22 05:50:19,111 - DEBUG - USBPrinting.USBPrinterOutputDevice._connect [327]: Attempting to connect to printer with serial /dev/ttyACM0 on baud rate 115200
2017-06-22 05:50:19,601 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_min_x
2017-06-22 05:50:19,604 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_min_y
2017-06-22 05:50:19,608 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_max_x
2017-06-22 05:50:19,611 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_max_y
2017-06-22 05:50:19,614 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_gantry_distance
2017-06-22 05:50:19,657 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_min_x
2017-06-22 05:50:19,662 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_min_y
2017-06-22 05:50:19,668 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_max_x
2017-06-22 05:50:19,671 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_max_y
2017-06-22 05:50:19,676 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_gantry_distance
2017-06-22 05:50:19,705 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_min_x
2017-06-22 05:50:19,710 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_min_y
2017-06-22 05:50:19,713 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_max_x
2017-06-22 05:50:19,717 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_head_shape_max_y
2017-06-22 05:50:19,720 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_gantry_distance
2017-06-22 05:50:22,210 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_platform_offset
2017-06-22 05:50:22,240 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_platform_offset
2017-06-22 05:50:22,268 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_platform_offset
2017-06-22 05:50:22,803 - DEBUG - USBPrinting.USBPrinterOutputDevice._connect [353]: Correct response for auto-baudrate detection received.
2017-06-22 05:50:23,101 - DEBUG - USBPrinting.USBPrinterOutputDevice._connect [353]: Correct response for auto-baudrate detection received.
2017-06-22 05:50:23,103 - DEBUG - USBPrinting.USBPrinterOutputDevice._connect [353]: Correct response for auto-baudrate detection received.
2017-06-22 05:50:23,104 - INFO - USBPrinting.USBPrinterOutputDevice._listen [483]: Printer connection listen thread started for /dev/ttyACM0
2017-06-22 05:50:23,120 - INFO - USBPrinting.USBPrinterOutputDevice._connect [360]: Established printer connection on port /dev/ttyACM0
2017-06-22 05:50:24,469 - DEBUG - UM.Logger.logException [76]: Exception: Could not load cached definition for /tmp/.mount_ob7uIC/usr/bin/resources/definitions/ultimaker3.def.json
2017-06-22 05:50:24,471 - DEBUG - UM.Logger.logException [80]: Traceback (most recent call last):
2017-06-22 05:50:24,473 - DEBUG - UM.Logger.logException [80]:   File "/build/2.6/build/inst/lib/python3/dist-packages/UM/Settings/ContainerRegistry.py", line 453, in _loadCachedDefinition
2017-06-22 05:50:24,476 - DEBUG - UM.Logger.logException [80]: EOFError: Ran out of input
2017-06-22 05:50:40,301 - DEBUG - UM.Logger.logException [76]: Exception: Could not load cached definition for /tmp/.mount_ob7uIC/usr/bin/resources/definitions/ultimaker3_extended.def.json
2017-06-22 05:50:40,303 - DEBUG - UM.Logger.logException [80]: Traceback (most recent call last):
2017-06-22 05:50:40,306 - DEBUG - UM.Logger.logException [80]:   File "/build/2.6/build/inst/lib/python3/dist-packages/UM/Settings/ContainerRegistry.py", line 453, in _loadCachedDefinition
2017-06-22 05:50:40,308 - DEBUG - UM.Logger.logException [80]: EOFError: Ran out of input
2017-06-22 05:50:42,367 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,372 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,375 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,382 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,386 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,389 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,401 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,404 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,407 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,560 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,563 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:42,566 - WARNING - UM.Settings.DefinitionContainer._preprocessParsedJson [260]: Unable to override setting machine_nozzle_head_distance
2017-06-22 05:50:49,384 - DEBUG - UM.Settings.ContainerStack.getVersionFromSerialized [313]: Could not get version from serialized: 'machine'
2017-06-22 05:50:49,390 - DEBUG - UM.Settings.ContainerRegistry.load [209]: Loading data into container registry took 30.88194513320923 seconds
2017-06-22 05:50:49,395 - DEBUG - UM.Backend.Backend._logSocketState [172]: Socket state changed to Connected
2017-06-22 05:50:49,397 - DEBUG - UM.Backend.Backend._onSocketStateChanged [162]: Backend connected on port 49674
2017-06-22 05:50:49,399 - DEBUG - UM.Controller.setActiveView [85]: Setting active view to SolidView
2017-06-22 05:50:49,532 - DEBUG - UM.Mesh.MeshData.calculateNormalsFromVertices [425]: Calculating normals took 0.0008771419525146484 seconds
2017-06-22 05:50:49,533 - DEBUG - STLReader.STLReader.read [79]: Loaded a mesh with 8052 vertices
2017-06-22 05:50:50,770 - DEBUG - UM.Qt.Bindings.Theme.load [126]: Loading theme file: /tmp/.mount_ob7uIC/usr/bin/resources/themes/cura/theme.json
2017-06-22 05:50:50,891 - DEBUG - UM.Qt.Bindings.Theme.load [186]: Loaded theme /tmp/.mount_ob7uIC/usr/bin/resources/themes/cura
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: non-double matrix element
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: wrong number of matrix elements
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 80: saw unknown, expected number
QObject::connect: Parentheses expected, signal MainWindow::
QObject::connect: Parentheses expected, signal MainWindow::
QObject::connect: Parentheses expected, signal MainWindow::
qml: TableViewSelection: index out of range
qml: TableViewSelection: index out of range
2017-06-22 05:50:51,478 - DEBUG - OctoPrintPlugin.DiscoverOctoPrintAction._createAdditionalComponentsView [142]: Creating additional ui components for OctoPrint-connected printers.
2017-06-22 05:50:51,492 - DEBUG - UM3NetworkPrinting.DiscoverUM3Action._createAdditionalComponentsView [138]: Creating additional ui components for UM3.
2017-06-22 05:50:51,524 - DEBUG - UM3NetworkPrinting.DiscoverUM3Action.startDiscovery [38]: Starting printer discovery.
2017-06-22 05:50:51,633 - DEBUG - UM.Mesh.MeshData.approximateConvexHull [392]: approximateConvexHull(target_count=1024) Calculating 3D convex hull took 0.009585857391357422 seconds. 36 input vertices. 36 output vertices.
2017-06-22 05:50:52,066 - DEBUG - UM.Qt.QtRenderer._initialize [172]: Support for Vertex Array Objects: True
2017-06-22 05:50:52,080 - DEBUG - UM.View.GL.OpenGL.__init__ [84]: Initialized OpenGL subsystems.
2017-06-22 05:50:52,082 - DEBUG - UM.View.GL.OpenGL.__init__ [85]: OpenGL Version:  4.3 (Core Profile) Mesa 12.0.6
2017-06-22 05:50:52,085 - DEBUG - UM.View.GL.OpenGL.__init__ [86]: OpenGL Vendor:   Intel Open Source Technology Center
2017-06-22 05:50:52,086 - DEBUG - UM.View.GL.OpenGL.__init__ [87]: OpenGL Renderer: Mesa DRI Intel(R) Iris Graphics 540 (Skylake GT3e) 
2017-06-22 05:50:52,088 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/default.shader]...
2017-06-22 05:50:52,097 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/selection.shader]...
2017-06-22 05:50:52,104 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/default.shader]...
2017-06-22 05:50:52,111 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/composite.shader]...
2017-06-22 05:50:52,127 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/overhang.shader]...
2017-06-22 05:50:52,145 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/striped.shader]...
2017-06-22 05:50:52,170 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/default.shader]...
2017-06-22 05:50:52,177 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/grid.shader]...
2017-06-22 05:50:52,186 - DEBUG - UM.View.GL.ShaderProgram.load [55]: Loading shader file [/tmp/.mount_ob7uIC/usr/bin/resources/shaders/platform.shader]...
2017-06-22 05:50:56,297 - DEBUG - UM.Qt.QtApplication.windowClosed [267]: Shutting down cura
2017-06-22 05:50:56,307 - DEBUG - CuraEngineBackend.CuraEngineBackend._terminate [235]: Attempting to kill the engine process
2017-06-22 05:50:56,308 - DEBUG - CuraEngineBackend.CuraEngineBackend._terminate [241]: Killing engine process
2017-06-22 05:50:56,310 - DEBUG - CuraEngineBackend.CuraEngineBackend._terminate [244]: Engine process is killed. Received return code -15
UM.Resources.__initializeStoragePaths [342]: Initializing storage paths
UM.Resources.__initializeStoragePaths [353]: Config storage path is /home/tobin/.config/cura/2.6
UM.Resources.__initializeStoragePaths [361]: Data storage path is /home/tobin/.local/share/cura/2.6
UM.Resources.__initializeStoragePaths [373]: Cache storage path is /home/tobin/.cache/cura/2.6
UM.View.GL.OpenGLContext.detectBestOpenGLVersion [103]: Trying OpenGL context 4.1...
UM.View.GL.OpenGLContext.detectBestOpenGLVersion [113]: Yay, we got at least OpenGL 4.1 core: 4.3 Core profile
UM.Qt.QtApplication.__init__ [80]: Detected most suitable OpenGL context version: 4.1 Core profile
UM.PluginRegistry.loadPlugin [176]: Loaded plugin 3MFReader
UM.PluginRegistry.loadPlugin [176]: Loaded plugin 3MFWriter
UM.PluginRegistry.loadPlugin [176]: Loaded plugin AutoSave
UM.PluginRegistry.loadPlugin [176]: Loaded plugin ChangeLogPlugin
Segmentation fault (core dumped)