Cannot click the LogIn button though Appium Python script

Appium 1.5.0
Xcode 7.3
IOS 10.11.4 OSX EI Capitan
Using on:Simulator iOS 8.1
Facing a strange issue.I can click via touchpad but not through Appium .

Appium Logs:

[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: Got new command 14 from instruments: au.tapById(‘3’)
[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: evaluating au.tapById(‘3’)
[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: UIAButton.tap()
[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: UIAButton.scrollToVisible()
[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:54 Macbook.local securityd[29291]: SecTaskCopyAccessGroups No keychain access group specified whilst running in simulator, falling back to default set
[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:54 Macbook.local TT Mobile[29305]: *** -[NSKeyedUnarchiver initForReadingWithData:]: data is empty; did you forget to send -finishEncoding to the NSKeyedArchiver?
[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:54 Macbook.local securityd[29291]: SecTaskCopyAccessGroups No keychain access group specified whilst running in simulator, falling back to default set
[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: evaluation finished
[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: responding with:
[debug] [Instruments] [INST] 2016-04-19 04:30:54 +0000 Debug: Running system command #15: /usr/local/bin/node /usr/local/lib/node_modules/appium/node_modules/appium-uiauto/build/lib/bin/command-proxy-client.js /var/folders/4x/vy1bbyh92l9czkyswl5wypt80000gn/T/instruments_sock 2,{“status”:0,“value”:""}…
[debug] [UIAuto] Socket data received (25 bytes)
[debug] [UIAuto] Got result from instruments: {“status”:0,“value”:""}
[MJSONWP] Responding to client with driver.click() result: null
[HTTP] <-- POST /wd/hub/session/3957fc67-82da-4e57-b920-005ee0228cd7/element/3/click 200 1231 ms - 76
[HTTP] --> POST /wd/hub/session/3957fc67-82da-4e57-b920-005ee0228cd7/element
[MJSONWP] Calling AppiumDriver.findElement() with args: [“id”,“LOG IN”,“3957fc67-82da-4e57-b920-005ee0228cd7”]
[debug] [iOS] Executing iOS command ‘findElement’
[debug] [BaseDriver] Waiting up to 60000 ms for condition
[debug] [UIAuto] Sending command to instruments: au.getElementByAccessibilityId(‘LOG IN’)
[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:55 Macbook.local lsd[29289]: LaunchServices: Currently 0 installed placeholders: (
[iOSLog] [IOS_SYSLOG_ROW] )
[debug] [Instruments] [INST] 2016-04-19 04:30:55 +0000 Debug: Got new command 15 from instruments: au.getElementByAccessibilityId(‘LOG IN’)
[debug] [Instruments] [INST] 2016-04-19 04:30:55 +0000 Debug: evaluating au.getElementByAccessibilityId(‘LOG IN’)
[debug] [Instruments] [INST] 2016-04-19 04:30:55 +0000 Debug: evaluation finished
[debug] [Instruments] [INST] 2016-04-19 04:30:55 +0000 Debug: Lookup returned [object UIAButton] with the name “LOG IN” (id: 4).
[debug] [Instruments] [INST] 2016-04-19 04:30:55 +0000 Debug: responding with:
[debug] [Instruments] [INST] 2016-04-19 04:30:55 +0000 Debug: Running system command #16: /usr/local/bin/node /usr/local/lib/node_modules/appium/node_modules/appium-uiauto/build/lib/bin/command-proxy-client.js /var/folders/4x/vy1bbyh92l9czkyswl5wypt80000gn/T/instruments_sock 2,{“status”:0,“value”:{“ELEMENT”:“4”}}…
[debug] [UIAuto] Socket data received (38 bytes)
[debug] [UIAuto] Got result from instruments: {“status”:0,“value”:{“ELEMENT”:“4”}}
[MJSONWP] Responding to client with driver.findElement() result: {“ELEMENT”:“4”}
[HTTP] <-- POST /wd/hub/session/3957fc67-82da-4e57-b920-005ee0228cd7/element 200 1344 ms - 87
[HTTP] --> POST /wd/hub/session/3957fc67-82da-4e57-b920-005ee0228cd7/element/4/click
[MJSONWP] Calling AppiumDriver.click() with args: [“4”,“3957fc67-82da-4e57-b920-005ee0228cd7”]
[debug] [iOS] Executing iOS command ‘click’
[debug] [UIAuto] Sending command to instruments: au.tapById(‘4’)
[debug] [Instruments] [INST] 2016-04-19 04:30:56 +0000 Debug: Got new command 16 from instruments: au.tapById(‘4’)
[debug] [Instruments] [INST] 2016-04-19 04:30:56 +0000 Debug: evaluating au.tapById(‘4’)
[debug] [Instruments] [INST] 2016-04-19 04:30:56 +0000 Debug: UIAButton.tap()
[debug] [Instruments] [INST] 2016-04-19 04:30:57 +0000 Debug: evaluation finished
[debug] [Instruments] [INST] 2016-04-19 04:30:57 +0000 Debug: responding with:
[debug] [Instruments] [INST] 2016-04-19 04:30:57 +0000 Debug: Running system command #17: /usr/local/bin/node /usr/local/lib/node_modules/appium/node_modules/appium-uiauto/build/lib/bin/command-proxy-client.js /var/folders/4x/vy1bbyh92l9czkyswl5wypt80000gn/T/instruments_sock 2,{“status”:0,“value”:""}…
[debug] [UIAuto] Socket data received (25 bytes)
[debug] [UIAuto] Got result from instruments: {“status”:0,“value”:""}
[MJSONWP] Responding to client with driver.click() result: null
[HTTP] <-- POST /wd/hub/session/3957fc67-82da-4e57-b920-005ee0228cd7/element/4/click 200 1164 ms - 76
[HTTP] --> POST /wd/hub/session/3957fc67-82da-4e57-b920-005ee0228cd7/element

XML of the App

<?xml version="1.0" encoding="UTF-8"?>
<AppiumAUT>
    <UIAApplication name="TT Mobile α" label="TT Mobile α" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0" x="0" y="20" width="320" height="548">
        <UIAWindow name="" label="" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0" x="0" y="0" width="320" height="568">
            <UIAImage name="bg-login" label="" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/0" x="0" y="0" width="320" height="568">
            </UIAImage>
            <UIATextField name="" label="" value="Email address" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/1" x="27.5" y="178" width="265" height="40">
                <UIATextField name="" label="" value="Email address" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/1/0" x="27.5" y="178" width="265" height="40">
                </UIATextField>
            </UIATextField>
            <UIASecureTextField name="" label="" value="Password" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/2" x="27.5" y="218" width="265" height="40">
                <UIASecureTextField name="" label="" value="Password" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/2/0" x="27.5" y="218" width="265" height="40">
                </UIASecureTextField>
            </UIASecureTextField>
            <UIAButton name="unchecked" label="unchecked" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/3" x="27.5" y="280" width="28" height="25.5">
            </UIAButton>
            <UIAStaticText name="Remember me" label="Remember me" value="Remember me" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/4" x="59.5" y="282.5" width="110" height="21">
            </UIAStaticText>
            <UIAButton name="forgot password?" label="forgot password?" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/5" x="186.5" y="282.5" width="106" height="21">
            </UIAButton>
            <UIAButton name="LOG IN" label="LOG IN" value="" dom="" enabled="false" valid="true" visible="true" hint="" path="/0/0/6" x="27.5" y="341" width="265" height="43">
            </UIAButton>
            <UIAActivityIndicator name="In progress" label="In progress" value="1" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/7" x="150" y="352.5" width="20" height="20">
                <UIAImage name="" label="" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/7/0" x="150" y="352.5" width="20" height="20">
                </UIAImage>
            </UIAActivityIndicator>
            <UIAStaticText name="Don&apos;t have an ID?" label="Don&apos;t have an ID?" value="Don&apos;t have an ID?" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/8" x="27.5" y="396" width="151" height="24">
            </UIAStaticText>
            <UIAButton name="Sign Up" label="Sign Up" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/9" x="183.5" y="396.5" width="78" height="23.5">
            </UIAButton>
            <UIAButton name="Demo" label="Demo" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/10" x="27.5" y="485" width="265" height="33">
            </UIAButton>
            <UIAImage name="login-ttmobile" label="" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/0/11" x="34" y="71" width="252" height="34">
            </UIAImage>
            <UIAStaticText name="TWO-FACTOR AUTHENTICATION" label="TWO-FACTOR AUTHENTICATION" value="TWO-FACTOR AUTHENTICATION" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/12" x="28" y="154" width="264" height="21">
            </UIAStaticText>
            <UIASecureTextField name="" label="" value="Enter code" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/13" x="27.5" y="250" width="265" height="40">
                <UIASecureTextField name="" label="" value="Enter code" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/13/0" x="27.5" y="250" width="265" height="40">
                </UIASecureTextField>
            </UIASecureTextField>
            <UIAButton name="VERIFY" label="VERIFY" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/14" x="27.5" y="314" width="265" height="43">
                <UIAStaticText name="VERIFY" label="VERIFY" value="VERIFY" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/14/0" x="125.5" y="321" width="68" height="29">
                </UIAStaticText>
            </UIAButton>
            <UIAActivityIndicator name="In progress" label="In progress" value="1" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/15" x="150" y="325.5" width="20" height="20">
            </UIAActivityIndicator>
            <UIAButton name="unchecked" label="unchecked" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/16" x="27.5" y="372" width="28" height="25.5">
                <UIAImage name="unchecked.png" label="" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/16/0" x="29" y="373.5" width="24.5" height="22">
                </UIAImage>
            </UIAButton>
            <UIAStaticText name="Remember device for 30 days" label="Remember device for 30 days" value="Remember device for 30 days" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/17" x="59.5" y="374.5" width="233" height="21">
            </UIAStaticText>
            <UIAButton name="BACK" label="BACK" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/18" x="27.5" y="445.5" width="102" height="30">
                <UIAImage name="icon-swipeleft.png" label="" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/18/0" x="27.5" y="452.5" width="9.5" height="15.5">
                </UIAImage>
                <UIAStaticText name="BACK" label="BACK" value="BACK" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/18/1" x="44" y="451.5" width="35" height="18">
                </UIAStaticText>
            </UIAButton>
            <UIAButton name="request new code" label="request new code" value="" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/19" x="186.5" y="450" width="106" height="21">
                <UIAStaticText name="request new code" label="request new code" value="request new code" dom="" enabled="true" valid="true" visible="false" hint="" path="/0/0/19/0" x="187.5" y="451" width="105" height="18">
                </UIAStaticText>
            </UIAButton>
        </UIAWindow>
        <UIAWindow name="" label="" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/1" x="0" y="0" width="320" height="568">
            <UIAStatusBar name="" label="" value="" dom="" enabled="true" valid="true" visible="true" hint="" path="/0/1/0" x="0" y="0" width="320" height="20">
                <UIAElement name="Swipe down with three fingers to reveal the notification center., Swipe up with three fingers to reveal the control center, Double-tap to scroll to top" label="" value="" dom="" enabled="true" valid="true" visible="true" hint="Swipe down with three fingers to reveal the notification center., Swipe up with three fingers to reveal the control center, Double-tap to scroll to top" path="/0/1/0/0" x="6" y="0" width="38" height="20">
                </UIAElement>
                <UIAElement name="3 of 3 Wi-Fi bars" label="3 of 3 Wi-Fi bars" value="" dom="" enabled="true" valid="true" visible="true" hint="Swipe down with three fingers to reveal the notification center., Swipe up with three fingers to reveal the control center, Double-tap to scroll to top" path="/0/1/0/1" x="49" y="0" width="13" height="20">
                </UIAElement>
                <UIAElement name="10:19 AM" label="10:19 AM" value="" dom="" enabled="true" valid="true" visible="true" hint="Swipe down with three fingers to reveal the notification center., Swipe up with three fingers to reveal the control center, Double-tap to scroll to top" path="/0/1/0/2" x="135" y="0" width="50" height="20">
                </UIAElement>
                <UIAElement name="100% battery power" label="100% battery power" value="" dom="" enabled="true" valid="true" visible="true" hint="Swipe down with three fingers to reveal the notification center., Swipe up with three fingers to reveal the control center, Double-tap to scroll to top" path="/0/1/0/3" x="290" y="0" width="25" height="20">
                </UIAElement>
            </UIAStatusBar>
        </UIAWindow>
    </UIAApplication>
</AppiumAUT>

Some logs which i could not decipher:

[IOS_SYSLOG_ROW] Apr 19 10:00:40 Macbook com.apple.CoreSimulator.SimDevice.55BBCE9D-8F75-47DC-BC87-3DD28FB4F874.launchd_sim[29262] (com.apple.imfoundation.IMRemoteURLConnectionAgent): The _DirtyJetsamMemoryLimit key is not available on this platform.

[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:41 Macbook.local filecoordinationd[29326]: (Error) FileProvider: Could not load bundle com.apple.CloudDocsFileProvider. Error: The bundle “CloudDocsFileProvider” couldn’t be loaded because it is damaged or missing necessary resources.

[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:54 Macbook.local securityd[29291]: SecTaskCopyAccessGroups No keychain access group specified whilst running in simulator, falling back to default set
[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:54 Macbook.local TT Mobile[29305]: *** -[NSKeyedUnarchiver initForReadingWithData:]: data is empty; did you forget to send -finishEncoding to the NSKeyedArchiver?
[iOSLog] [IOS_SYSLOG_ROW] Apr 19 10:00:54 Macbook.local securityd[29291]: SecTaskCopyAccessGroups No keychain access group specified whilst running in simulator, falling back to default set

Any clues or help?

Build created using xcode for arch i386

Please close this.Not an appium bug.It was due to some glitch in my app.