Difficulty in performing chaos monkey burn CPU strategy

I am using Netflix Simian Army tool. I am trying to perform Chaos monkey Burn CPU strategy but i am not able to perform. I am performing burn CPU on ubuntu AWS EC2 instance. what could be the reason.The output is given below

These are the lines which i have mentioned in chaos properties configuration file simianarmy.chaos.ssh.user= ubuntu

simianarmy.chaos.ssh.key = D:\Intern.pem

simianarmy.chaos.burncpu.enabled = true

2015-04-01 23:14:00.911 - INFO MonkeyRunner - [MonkeyRunner.java:56] Starting CHAOS Monkey 2015-04-01 23:14:01.943 - INFO Monkey - [Monkey.java:132] CHAOS Monkey Running ... 2015-04-01 23:14:01.951 - INFO MonkeyRunner - [MonkeyRunner.java:56] Starting VOLUME_TAGGING Monkey 2015-04-01 23:14:01.964 - INFO AWSClient - [AWSClient.java:266] Getting all auto-scaling groups in region ap-northeast-1. 2015-04-01 23:14:02.185 - INFO Monkey - [Monkey.java:132] VOLUME_TAGGING Monkey Running ... 2015-04-01 23:14:02.185 - INFO VolumeTaggingMonkey - [VolumeTaggingMonkey.java:138] Volume tagging monkey is not enabled. You can set simianarmy.volumeTagging.enabled to true to enable it. 2015-04-01 23:14:02.185 - INFO Monkey - [Monkey.java:138] Reporting what I did...

2015-04-01 23:14:02.211 - INFO MonkeyRunner - [MonkeyRunner.java:56] Starting JANITOR Monkey 2015-04-01 23:14:02.412 - INFO Monkey - [Monkey.java:132] JANITOR Monkey Running ... 2015-04-01 23:14:02.415 - INFO BasicJanitorMonkey - [BasicJanitorMonkey.java:218] JanitorMonkey disabled, set simianarmy.janitor.enabled=true 2015-04-01 23:14:02.415 - INFO Monkey - [Monkey.java:138] Reporting what I did...

2015-04-01 23:14:02.440 - INFO MonkeyRunner - [MonkeyRunner.java:56] Starting CONFORMITY Monkey 2015-04-01 23:14:02.643 - INFO Monkey - [Monkey.java:132] CONFORMITY Monkey Running ... 2015-04-01 23:14:02.644 - INFO BasicConformityMonkey - [BasicConformityMonkey.java:244] Conformity Monkey is disabled, set simianarmy.conformity.enabled=true 2015-04-01 23:14:02.651 - INFO Monkey - [Monkey.java:138] Reporting what I did...

2015-04-01 23:14:03.291 - INFO AWSClient - [AWSClient.java:287] Got 1 auto-scaling groups in region ap-northeast-1. 2015-04-01 23:14:05.039 - INFO BasicChaosMonkey - [BasicChaosMonkey.java:276] Group monkey [type ASG] enabled [prob 6.0] 2015-04-01 23:14:05.051 - INFO BasicChaosInstanceSelector - [BasicChaosInstanceSelector.java:83] Group monkey [type ASG] has disabled probability: 0.0 2015-04-01 23:14:05.051 - INFO BasicChaosInstanceSelector - [BasicChaosInstanceSelector.java:65] Randomly selecting 1 from 1 instances, excluding null 2015-04-01 23:14:16.862 - INFO Monkey - [Monkey.java:138] Reporting what I did...

After this line i am not getting anything