I will contact Apple Support, thanks.
Etrecheck Report:
EtreCheck version: 2.9.12 (265)
Report generated 2016-06-21 16:45:25
Download EtreCheck from https://etrecheck.com
Runtime 1:23
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Computer is restarting
Hardware Information: ⓘ
MacBook Pro (Retina, 15-inch, Mid 2014)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro11,2
1 2,2 GHz Intel Core i7 CPU: 4-core
16 GB RAM Not upgradeable
BANK 0/DIMM0
8 GB DDR3 1600 MHz ok
BANK 1/DIMM0
8 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 537
Video Information: ⓘ
Intel Iris Pro
Color LCD 2880 x 1800
System Software: ⓘ
OS X El Capitan 10.11.5 (15F34) - Time since boot: about 3 hours
Disk Information: ⓘ
APPLE SSD SM0256F disk0 : (251 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Без названия (disk1) / : 249.77 GB (215.08 GB free)
Core Storage: disk0s2 250.14 GB Online
USB Information: ⓘ
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Anywhere
Kernel Extensions: ⓘ
/Library/Application Support/VirtualBox
[loaded] org.virtualbox.kext.VBoxDrv (5.0.22 - 2016-06-18) [Support]
[loaded] org.virtualbox.kext.VBoxNetAdp (5.0.22 - 2016-06-18) [Support]
[loaded] org.virtualbox.kext.VBoxNetFlt (5.0.22 - 2016-06-18) [Support]
[loaded] org.virtualbox.kext.VBoxUSB (5.0.22 - 2016-06-18) [Support]
/Library/Extensions
[loaded] com.intel.kext.intelhaxm (6.0.1 - SDK 10.9 - 2016-06-18) [Support]
System Launch Agents: ⓘ
[not loaded] 6 Apple tasks
[loaded] 157 Apple tasks
[running] 75 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 47 Apple tasks
[loaded] 160 Apple tasks
[running] 84 Apple tasks
Launch Agents: ⓘ
[running] com.bjango.istatmenusagent.plist (2016-06-18) [Support]
[running] com.bjango.istatmenusnotifications.plist (2016-06-18) [Support]
[running] com.bjango.istatmenusstatus.plist (2016-06-18) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2016-06-17) [Support]
Launch Daemons: ⓘ
[loaded] com.apple.installer.osmessagetracing.plist
[running] com.bjango.istatmenusdaemon.plist (2016-06-18) [Support]
[loaded] com.intel.haxm.plist (2015-11-16) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2016-06-17) [Support]
[not loaded] org.virtualbox.startup.plist (2016-06-18) [Support]
User Launch Agents: ⓘ
[not loaded] org.virtualbox.vboxwebsrv.plist (2016-06-18) [Support]
User Login Items: ⓘ
gfxCardStatus Программа (~/.Trash/gfxCardStatus.app)
iTunesHelper Программа (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Программа (/Applications/Dropbox.app)
Other Apps: ⓘ
[running] com.etresoft.EtreCheck.5472
[running] com.getdropbox.dropbox.21152
[running] ru.keepcoder.Telegram.118432
[loaded] 402 Apple tasks
[running] 185 Apple tasks
Internet Plug-ins: ⓘ
Default Browser: 601 - SDK 10.11 (2016-05-05)
QuickTime Plugin: 7.7.3 (2016-05-05)
JavaAppletPlugin: Java 8 Update 91 build 14 (2016-06-17) Check version
Safari Extensions: ⓘ
AdBlock - BetaFish, Inc. - https://getadblock.com (2016-06-20)
3rd Party Preference Panes: ⓘ
Java (2016-04-01) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
10% com.apple.WebKit.Networking
7% com.apple.WebKit.WebContent(4)
6% kernel_task
4% WindowServer
3% VBoxHeadless
Top Processes by Memory: ⓘ
1.60 GB com.apple.WebKit.WebContent(4)
1001 MB kernel_task
721 MB studio
688 MB VBoxHeadless
655 MB Safari
Virtual Memory Information: ⓘ
3.40 GB Free RAM
13.00 GB Used RAM (2.60 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Jun 21, 2016, 01:07:57 PM Self test - passed
Jun 19, 2016, 05:00:57 PM /Library/Logs/DiagnosticReports/CINEBENCH OSX_2016-06-19-170057_[redacted].cpu_resource.diag [Details]
/Users/USER/Downloads/*/CINEBENCH OSX.app/Contents/MacOS/CINEBENCH OSX
I don't see any issues, to be honest.