[ 0:01]   | load /var/obj/divine-nightly/semidbg/test/_expand/sym/array-b.pkg.cpp/v.O0.cpp v.O0.cpp
[ 0:01]   | expect --result error --location v.O0.cpp:17
[ 0:01]   | expect --trace FAULT: --trace-count 1
[ 0:01]   | cc -o testcase.bc -std=c++14 -O0 v.O0.cpp
[ 0:01]   | verify --max-memory 4GiB --max-time 600 --threads 2 --report-filename verify.out --solver smtlib:z3 --symbolic testcase.bc
[ 0:01] compiling v.O0.cpp
[ 0:01] v.O0.cpp:17:10: warning: array index 4 is past the end of the array (which contains 4 elements)
[ 0:01]     if ( array[ 4 ] ) /* ERROR */ // this is undefined behaviour, it is optimized out with -O2
[ 0:01]          ^      ~
[ 0:01] v.O0.cpp:14:5: note: array 'array' declared here
[ 0:01]     uint64_t array[ 4 ];
[ 0:01]     ^
[ 0:01] 1 warning generated.
[ 0:01] loading bitcode … DiOS … LART … RR … constants … done
[ 0:11] booting … done
[ 0:11] states per second: 105.263
[ 0:11] state count: 4
[ 0:11] mips: 0.25
[ 0:11] symbolic: 1
[ 0:12] 
[ 0:12] error found: yes
[ 0:12] error trace: |
[ 0:12]   FAULT: access of size 8 at [alloca* fb3024d 20h ddp] is 8 bytes out of bounds
[ 0:12]   [0] FATAL: memory error in userspace
[ 0:12] 
[ 0:12] active stack:
[ 0:12]   - symbol: void __dios::FaultBase::handler<__dios::Context>(_VM_Fault, _VM_Frame*, void (*)())
[ 0:12]     location: /dios/sys/fault.hpp:118
[ 0:12]   - symbol: main
[ 0:12]     location: v.O0.cpp:17
[ 0:12]   - symbol: __dios_start
[ 0:12]     location: /dios/libc/sys/start.cpp:94
[ 0:12] + divine sim --batch --skip-init --load-report verify.out
[ 0:12] 
[ 0:22]            ^       —————.   —.—  .     .  —.—  .     .  .—————    .    .
[ 0:22]           ———      |     |   |   |     |   |   |\    |  |         |    |
[ 0:22]          —(o)—     |     |   |   |     |   |   |  \  |  |————     '————|
[ 0:22]         ———————    |     |   |    \   /    |   |    \|  |              |
[ 0:22]        —————————   —————'   —'—     '     —'—  '     '  '—————         '
[ 0:22] 
[ 0:22] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started.
[ 0:22] traced states:
[ 0:22] ▶ state    #3 [new] -- active threads: [0:0] --
[ 0:22] T: FAULT: access of size 8 at [alloca* fb3024d 20h ddp] is 8 bytes out of bounds
[ 0:23] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 0:23] # NOTE: $frame in main
[ 0:23] > backtrace
[ 0:23]   void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 0:23]   main at v.O0.cpp:17
[ 0:23]   __dios_start at /dios/libc/sys/start.cpp:94
[ 0:23] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 0:23] # NOTE: $frame in main