[ 0:00]   | load /home/xrockai/src/divine/next-staging/test/liveness/nonacc+acc.c nonacc+acc.c
[ 0:00]   | expect --result error --location nonacc+acc.c:22
[ 0:00]   | cc -o testcase.bc -Os nonacc+acc.c
[ 0:00]   | verify --max-memory 4GiB --max-time 600 --threads 2 --report-filename verify.out --leakcheck exit --liveness testcase.bc
[ 0:00] compiling nonacc+acc.c
[ 0:01] loading bitcode … DiOS … LART … RR … constants … done
[ 0:02] booting … done
[ 0:02] states per second: 600
[ 0:02] state count: 6
[ 0:02] mips: 0.19
[ 0:02] 
[ 0:02] error found: yes
[ 0:02] error trace: |
[ 0:02]   (0) state: -1 -> 0
[ 0:02]   (0) state: 0 -> 2
[ 0:02]   (0) state: 2 -> 4
[ 0:02]   (0) state: 4 -> 0
[ 0:02]   (0) state: 0 -> 2
[ 0:02]   (0) state: 2 -> 4
[ 0:02] 
[ 0:02] active stack:
[ 0:02]   - symbol: next
[ 0:03]     location: nonacc+acc.c:22
[ 0:03]   - symbol: main
[ 0:03]     location: nonacc+acc.c:35
[ 0:03]   - symbol: __dios_start
[ 0:03]     location: /dios/libc/sys/start.cpp:94
[ 0:03] + divine sim --batch --skip-init --load-report verify.out
[ 0:03] 
[ 0:05]            ^       —————.   —.—  .     .  —.—  .     .  .—————    .    .
[ 0:05]           ———      |     |   |   |     |   |   |\    |  |         |    |
[ 0:05]          —(o)—     |     |   |   |     |   |   |  \  |  |————     '————|
[ 0:05]         ———————    |     |   |    \   /    |   |    \|  |              |
[ 0:05]        —————————   —————'   —'—     '     —'—  '     '  '—————         '
[ 0:05] 
[ 0:05] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started.
[ 0:05] traced states: [loop closed] 
[ 0:05] trace:
[ 0:05] T: (0) state: -1 -> 0
[ 0:05] T: (0) state: 0 -> 2
[ 0:05] T: (0) state: 2 -> 4
[ 0:05] T: (0) state: 4 -> 0
[ 0:05] T: (0) state: 0 -> 2
[ 0:05] ▶ state    #4 [cex] -- active threads: [0:0] --
[ 0:05] # executing next at nonacc+acc.c:22
[ 0:05] # NOTE: $frame in main
[ 0:05] > backtrace
[ 0:05]   next at nonacc+acc.c:22
[ 0:05]   main at nonacc+acc.c:35
[ 0:05]   __dios_start at /dios/libc/sys/start.cpp:94
[ 0:05] # executing next at nonacc+acc.c:22
[ 0:05] # NOTE: $frame in main