Macbook Pro Shuts down randomly

I have a Macbook Pro (Retina , 13-inch, early 2015) with Yosemite 10.10.4 which crashes randomly. Please see the logs.

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applcationDate = "0000-12-30 00:00:00 +0000";

lastCircleStatus = 1;

lastWritten = "2015-07-27 13:28:04 +0000";

pendingApplicationReminder = "4001-01-01 00:00:00 +0000";

pendingApplicationReminderInterval = 172800;

}

{

"Accept-Language" = "en-us";

"X-Mme-Client-Info" = "<MacBookPro12,1> <Mac OS X;10.10.4;14E46> <com.apple.AOSKit/217>";

"X-Mme-Country" = IN;

"X-Mme-Device-Id" = "0EDFD581-23DF-5354-9330-CD9EE012BFC5";

"X-Mme-Nac-Version" = 11A457;

"X-Mme-Setup-FCE048DE-F34F-4FAF-A6DD-6C8AC9DF0C54" = true;

"X-Mme-Timezone" = IST;

},

error=Error Domain=kCFErrorDomainCFNetwork Code=-1009 "The Internet connection appears to be offline." UserInfo=0x7fc9e1472b80 {NSErrorFailingURLStringKey=https://setup.icloud.com/configurations/init, NSErrorFailingURLKey=https://setup.icloud.com/configurations/init, _kCFStreamErrorCodeKey=8, _kCFStreamErrorDomainKey=12, NSLocalizedDescription=The Internet connection appears to be offline.}, httpStatusCode=-1, responseHeaders=

(null)

"com.apple.private.ids"

)

"com.apple.private.ids"

))

"com.apple.private.ids",

"com.apple.ess"

))

"com.apple.madrid",

"com.apple.private.ids",

"com.apple.ess"

))

"com.apple.private.ac",

"com.apple.ess",

"com.apple.madrid",

"com.apple.private.ids"

))

"com.apple.ess",

"com.apple.private.ac"

))

"com.apple.private.ac",

"com.apple.ess",

"com.apple.private.alloy.sms",

"com.apple.madrid",

"com.apple.private.ids"

))

)

applcationDate = "0000-12-30 00:00:00 +0000";

lastCircleStatus = "-1";

lastWritten = "2015-07-27 13:30:44 +0000";

pendingApplicationReminder = "4001-01-01 00:00:00 +0000";

pendingApplicationReminderInterval = 172800;

}

"Cache-Control" = "no-transform, max-age=9128";

Connection = "keep-alive";

"Content-Encoding" = gzip;

"Content-Length" = 21429;

"Content-Type" = "text/xml; charset=UTF-8";

Date = "Mon, 27 Jul 2015 13:30:46 GMT";

"Last-Modified" = "Mon, 27 Jul 2015 10:23:47 GMT";

Server = "ATS/4.1.0";

"Strict-Transport-Security" = "max-age=31536000";

Vary = "Accept-Encoding, X-Apple-Store-Front, Cookie, User-Agent";

"X-Apple-ATS-Cache-Key" = "/init.itunes.apple.com/80/WebObjects/MZInit.woa/wa/initiateSession/MacAppStore /2.0%20/143467/13/https/itspod=26?ix=5";

"X-Apple-Partner" = "origin.0";

"apple-timing-app" = "48 ms";

"x-apple-aka-ttl" = "Generated Mon Jul 27 03:23:47 PDT 2015, Expires Mon Jul 27 09:03:47 PDT 2015, TTL 20400s";

"x-apple-application-instance" = 31119;

"x-apple-application-site" = ST11;

"x-apple-jingle-correlation-key" = JCNZGHJUMQ3UW3QD5ADODBVSPA;

"x-apple-max-age" = 14400;

"x-apple-orig-url" = "https://init.itunes.apple.com/WebObjects/MZInit.woa/wa/initiateSession?ix=5&user AgentCacheKey=MacAppStore%2f2.0%20";

"x-apple-request-store-front" = "143467,13";

"x-apple-translated-wo-url" = "/WebObjects/MZInit.woa/wa/initiateSession?ix=5&userAgentCacheKey=MacAppStore%2 f2.0%20";

"x-webobjects-loadaverage" = 0;

}

"Access-Control-Allow-Origin" = "*";

"Cache-Control" = "private, max-age=60";

Connection = "keep-alive";

"Content-Length" = 2;

"Content-Type" = "application/json; charset=UTF-8";

Date = "Mon, 27 Jul 2015 13:30:49 GMT";

Expires = "Mon, 27 Jul 2015 13:31:49 GMT";

"Strict-Transport-Security" = "max-age=31536000";

Vary = "X-Apple-Store-Front,X-Dsid,Cookie";

"access-control-allow-credentials" = true;

"apple-timing-app" = "0 ms";

"x-apple-application-instance" = 20407;

"x-apple-application-site" = ST11;

"x-apple-jingle-correlation-key" = ZJSCERSUUS2L7ETQJAZSLAJWI4;

"x-webobjects-loadaverage" = 2;

}