initializing .data section (0 pages)
	initializing .bss section (0 pages)
	initializing .data section (0 pages)
	initializing .bss section (0 pages)
UserProcess.execute halt.coff
Forking thread: halt.coff (#6) Runnable: nachos.userprog.UThread$1@3d66aa18
Ready thread: halt.coff (#6)
== Tick 58810 ==
Time: 58810, interrupts off
Pending interrupts:
  console read, scheduled at 58870
  timer, scheduled at 59268
  (end of list)
Finishing thread: main (#0)
Sleeping thread: main (#0)
Switching from: main (#0) to: halt.coff (#6)
Beginning thread: halt.coff (#6)
Running thread: halt.coff (#6)
	ID: 0	UserProcess.restoreState; length 8
== Tick 58820 ==
Time: 58820, interrupts off
Pending interrupts:
  console read, scheduled at 58870
  timer, scheduled at 59268
  (end of list)
	ID: 0	UserProcess.restoreState; length 8
starting program in current thread
PC=0x00000030		readMem vaddr=0x00000030, size=4
	translate vaddr=0x00000030, read...
		paddr=0x00000030
		value read=0x0C000000
jal	0x00000000      				#0x00000038
== Tick 58821 ==
Time: 58821, interrupts off
Pending interrupts:
  console read, scheduled at 58870
  timer, scheduled at 59268
  (end of list)
PC=0x00000034		readMem vaddr=0x00000034, size=4
	translate vaddr=0x00000034, read...
		paddr=0x00000034
		value read=0x00000000
sll	$0, $0#0x00000000, 0
== Tick 58822 ==
Time: 58822, interrupts off
Pending interrupts:
  console read, scheduled at 58870
  timer, scheduled at 59268
  (end of list)
PC=0x00000000		readMem vaddr=0x00000000, size=4
	translate vaddr=0x00000000, read...
		paddr=0x00000000
		value read=0x27BDFFE8
addiu	$29, $29#0x00002400, -24    			#0x000023E8
== Tick 58823 ==
Time: 58823, interrupts off
Pending interrupts:
  console read, scheduled at 58870
  timer, scheduled at 59268
  (end of list)
PC=0x00000004		readMem vaddr=0x00000004, size=4
	translate vaddr=0x00000004, read...
		paddr=0x00000004
		value read=0xAFBF0010
sw	$31#0x00000038, 16($29#0x000023E8)  			writeMem vaddr=0x000023F8, size=4, value=0x00000038
	translate vaddr=0x000023F8, write
		page fault
exception: page fault
Unexpected exception: page fault

nachos.machine.AssertionFailureError: Unexpected exception
	at nachos.machine.Lib.assertTrue(Lib.java:89)
	at nachos.machine.Lib.assertNotReached(Lib.java:106)
	at nachos.userprog.UserProcess.handleException(UserProcess.java:928)
	at nachos.userprog.UserKernel.exceptionHandler(UserKernel.java:97)
	at nachos.userprog.UserKernel$1.run(UserKernel.java:41)
	at nachos.machine.Processor$MipsException.handle(Processor.java:603)
	at nachos.machine.Processor.run(Processor.java:101)
	at nachos.userprog.UThread.runProgram(UThread.java:31)
	at nachos.userprog.UThread.access$0(UThread.java:27)
	at nachos.userprog.UThread$1.run(UThread.java:20)
	at nachos.threads.KThread.runThread(KThread.java:162)
	at nachos.threads.KThread.access$1(KThread.java:160)
	at nachos.threads.KThread$1.run(KThread.java:151)
	at nachos.machine.TCB.threadroot(TCB.java:235)
	at nachos.machine.TCB.access$3(TCB.java:210)
	at nachos.machine.TCB$1.run(TCB.java:93)
	at java.lang.Thread.run(Thread.java:680)