[ 0:00]   | load /home/xrockai/src/divine/nightly/test/svcomp/bitvector/byte_add_false.c byte_add_false.c
[ 0:00]   | expect --result error --location byte_add_false.c:117
[ 0:00]   | expect --trace FAULT: --trace-count 1
[ 0:00]   | cc -o testcase.bc byte_add_false.c
[ 0:00]   | verify --max-memory 4GiB --max-time 600 --threads 2 --report-filename verify.out --solver z3 --symbolic --sequential -o nofail:malloc testcase.bc
[ 0:00] compiling byte_add_false.c
[ 0:00] loading bitcode … DiOS … LART … RR … constants … done
[ 0:13] booting … done
[ 0:13] states per second: 7.189
[ 0:32] state count: 138
[ 0:32] mips: 0.24
[ 0:32] symbolic: 1
[ 0:46] 
[ 0:46] error found: yes
[ 0:46] error trace: |
[ 0:46]   ASSUME (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000018))) #x00000000)
[ 0:46]   ASSUME (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000018))) #x00000000) (not (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010))) #x00000000)))
[ 0:46]   ASSUME (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000)
[ 0:46]   ASSUME (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000010))) #x00000000))
[ 0:46]   ASSUME (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000010))) #x00000000)) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000008))) #x00000000))
[ 0:46]   ASSUME (and (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000018))) #x00000000) (not (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010))) #x00000000))) (not (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) var_1))))) (concat #x000000 ((_ extract 7 0) var_2))))) #x000000fe))) (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000010))) #x00000000)) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000008))) #x00000000)))
[ 0:46]   ASSUME (and (and (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000018))) #x00000000) (not (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010))) #x00000000))) (not (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) var_1))))) (concat #x000000 ((_ extract 7 0) var_2))))) #x000000fe))) (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000010))) #x00000000)) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000008))) #x00000000))) (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000008)))))) #x000000fe))
[ 0:46]   ASSUME (and (and (and (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000018))) #x00000000) (not (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010))) #x00000000))) (not (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) var_1))))) (concat #x000000 ((_ extract 7 0) var_2))))) #x000000fe))) (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000010))) #x00000000)) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000008))) #x00000000))) (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000008)))))) #x000000fe)) (not (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd #x00000001 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010)))))) #x000000fe)))
[ 0:46]   ASSUME (and (and (and (and (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000018))) #x00000000) (not (= (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010))) #x00000000))) (not (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) var_1))))) (concat #x000000 ((_ extract 7 0) var_2))))) #x000000fe))) (and (and (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000018))) #x00000000) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000010))) #x00000000)) (= (concat #x000000 ((_ extract 7 0) (bvlshr var_2 #x00000008))) #x00000000))) (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000008)))))) #x000000fe)) (not (bvsgt (concat #x0000 ((_ extract 15 0) (bvadd #x00000001 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010)))))) #x000000fe))) (not (= (bvor (bvor (bvor (concat #x000000 ((_ extract 7 0) ((_ extract 15 0) (bvadd (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) var_1))))) (concat #x000000 ((_ extract 7 0) var_2)))))) (bvshl (concat #x000000 ((_ extract 7 0) ((_ extract 15 0) (bvand (concat #x0000 ((_ extract 15 0) (bvadd #x00000000 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000008)))))) #x000000ff)))) #x00000008)) (bvshl (concat #x000000 ((_ extract 7 0) ((_ extract 15 0) (bvadd #x00000001 (concat #x000000 ((_ extract 7 0) (bvlshr var_1 #x00000010))))))) #x00000010)) #x00000000) (bvadd var_1 var_2))))
[ 0:46]   FAULT: verifier error called
[ 0:46]   [0] FATAL: dios assertion violation in userspace
[ 0:46] 
[ 0:46] active stack:
[ 0:47]   - symbol: void __dios::FaultBase::handler<__dios::Context>(_VM_Fault, _VM_Frame*, void (*)())
[ 0:47]     location: /dios/sys/fault.hpp:118
[ 0:47]   - symbol: __dios_fault
[ 0:47]     location: /dios/arch/divm/fault.c:12
[ 0:47]   - symbol: __VERIFIER_error
[ 0:47]     location: /dios/libc/svcomp/svcomp-error.cpp:5
[ 0:47]   - symbol: lart.__VERIFIER_assert
[ 0:47]     location: byte_add_false.c:8
[ 0:47]   - symbol: main
[ 0:47]     location: byte_add_false.c:117
[ 0:47]   - symbol: __dios_start
[ 0:47]     location: /dios/libc/sys/start.cpp:94
[ 0:47] + divine sim --batch --skip-init --load-report verify.out
[ 0:47] 
[ 0:59]            ^       —————.   —.—  .     .  —.—  .     .  .—————    .    .
[ 0:59]           ———      |     |   |   |     |   |   |\    |  |         |    |
[ 0:59]          —(o)—     |     |   |   |     |   |   |  \  |  |————     '————|
[ 0:59]         ———————    |     |   |    \   /    |   |    \|  |              |
[ 0:59]        —————————   —————'   —'—     '     —'—  '     '  '—————         '
[ 0:59] 
[ 0:59] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started.
[ 0:59] traced states:
[ 1:01] ▶ state    #2 [new] -- active threads: [0:0] --
[ 1:01] T: FAULT: verifier error called
[ 1:01] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 1:01] # NOTE: $frame in __dios_fault
[ 1:01] > backtrace
[ 1:01]   void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 1:01]   __dios_fault at /dios/arch/divm/fault.c:12
[ 1:01]   __VERIFIER_error at /dios/libc/svcomp/svcomp-error.cpp:5
[ 1:01]   lart.__VERIFIER_assert at byte_add_false.c:8
[ 1:01]   main at byte_add_false.c:117
[ 1:01]   __dios_start at /dios/libc/sys/start.cpp:94
[ 1:01] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 1:01] # NOTE: $frame in __dios_fault