Redirecting stdout to build/NULL/tests/opt/quick/se/50.memtest/null/none/memtest/simout Redirecting stderr to build/NULL/tests/opt/quick/se/50.memtest/null/none/memtest/simerr gem5 Simulator System. http://gem5.org gem5 is copyrighted software; use the --copyright option for details. gem5 compiled Nov 15 2015 14:58:33 gem5 started Nov 15 2015 14:58:45 gem5 executing on ribera.cs.wisc.edu, pid 5047 command line: build/NULL/gem5.opt -d build/NULL/tests/opt/quick/se/50.memtest/null/none/memtest -re /scratch/nilay/GEM5/gem5/tests/run.py build/NULL/tests/opt/quick/se/50.memtest/null/none/memtest Global frequency set at 1000000000000 ticks per second info: Entering event queue @ 0. Starting simulation... Exiting @ tick 534039500 because maximum number of loads reached