I tried all the possible solutions like reinstalling Xcode,reinstalled simulators and reset their configurations. Installed different versions of Xcode like Version 6,7,8. Still it throws error as unable to boot up simulator. Bug report is saying that,
Time Awake Since Boot: 1200 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_INSTRUCTION (SIGILL)
Exception Codes: 0x0000000000000001, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 launchd_sim 0x0000000103f9dfee 0x103f76000 + 163822
1 launchd_sim 0x0000000103f7adc4 0x103f76000 + 19908
2 libdyld.dylib 0x0000000104384145 start + 1
Thread 0 crashed with X86 Thread State (64-bit):
Binary Images: 0x103f76000 - 0x103faefff +launchd_sim (2.1.0 - 560.20.11) /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/sbin/launchd_sim
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 697
thread_create: 0
thread_set_state: 0
kindly help us with that.