[ 0:00] | load /var/obj/divine-nightly/semidbg/test/_expand/sym/cast-g.pkg.cpp/v.O0.cpp v.O0.cpp [ 0:00] | expect --result error --location v.O0.cpp:24 [ 0:00] | expect --trace FAULT: --trace-count 1 [ 0:00] | cc -o testcase.bc -std=c++14 -O0 v.O0.cpp [ 0:00] | verify --max-memory 4GiB --max-time 600 --threads 2 --report-filename verify.out --solver z3 --symbolic testcase.bc [ 0:00] compiling v.O0.cpp [ 0:00] loading bitcode … DiOS … LART … RR … constants … done [ 0:13] booting … done [ 0:14] states per second: 5.75816 [ 0:14] state count: 3 [ 0:14] mips: 0.2 [ 0:14] symbolic: 1 [ 0:15] [ 0:15] error found: yes [ 0:15] error trace: | [ 0:15] ASSUME (not (bvslt (concat (ite (= #b1 ((_ extract 15 15) ((_ extract 15 0) var_1))) #xffff #x0000) ((_ extract 15 0) var_1)) #x00000000)) [ 0:15] ASSUME (and (not (bvslt (concat (ite (= #b1 ((_ extract 15 15) ((_ extract 15 0) var_1))) #xffff #x0000) ((_ extract 15 0) var_1)) #x00000000)) (= (concat (ite (= #b1 ((_ extract 15 15) (bvadd ((_ extract 15 0) var_1) #x0001))) #xffff #x0000) (bvadd ((_ extract 15 0) var_1) #x0001)) #xffff8000)) [ 0:15] ASSUME (and (and (not (bvslt (concat (ite (= #b1 ((_ extract 15 15) ((_ extract 15 0) var_1))) #xffff #x0000) ((_ extract 15 0) var_1)) #x00000000)) (= (concat (ite (= #b1 ((_ extract 15 15) (bvadd ((_ extract 15 0) var_1) #x0001))) #xffff #x0000) (bvadd ((_ extract 15 0) var_1) #x0001)) #xffff8000)) (not (not (= (concat (ite (= #b1 ((_ extract 15 15) (bvadd ((_ extract 15 0) var_1) #x0001))) #xffff #x0000) (bvadd ((_ extract 15 0) var_1) #x0001)) #xffff8000)))) [ 0:15] FAULT: v.O0.cpp:24: int main(): assertion 'y != -32768' failed [ 0:15] [0] FATAL: assertion failure in userspace [ 0:15] [ 0:15] active stack: [ 0:15] - symbol: void __dios::FaultBase::handler<__dios::Context>(_VM_Fault, _VM_Frame*, void (*)()) [ 0:16] location: /dios/sys/fault.hpp:118 [ 0:16] - symbol: __dios_fault [ 0:16] location: /dios/arch/divm/fault.c:12 [ 0:16] - symbol: lart.__assert_fail [ 0:16] location: /dios/libc/_PDCLIB/assert.c:24 [ 0:16] - symbol: main [ 0:16] location: v.O0.cpp:24 [ 0:16] - symbol: __dios_start [ 0:16] location: /dios/libc/sys/start.cpp:94 [ 0:16] + divine sim --batch --skip-init --load-report verify.out [ 0:16] [ 0:28] ^ —————. —.— . . —.— . . .————— . . [ 0:28] ——— | | | | | | |\ | | | | [ 0:28] —(o)— | | | | | | | \ | |———— '————| [ 0:28] ——————— | | | \ / | | \| | | [ 0:28] ————————— —————' —'— ' —'— ' ' '————— ' [ 0:28] [ 0:28] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started. [ 0:28] traced states: [ 0:28] ▶ state #1 [new] -- active threads: [0:0] -- [ 0:28] T: FAULT: v.O0.cpp:24: int main(): assertion 'y != -32768' failed [ 0:29] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118 [ 0:29] # NOTE: $frame in __dios_fault [ 0:29] > backtrace [ 0:29] void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118 [ 0:29] __dios_fault at /dios/arch/divm/fault.c:12 [ 0:29] lart.__assert_fail at /dios/libc/_PDCLIB/assert.c:24 [ 0:29] main at v.O0.cpp:24 [ 0:29] __dios_start at /dios/libc/sys/start.cpp:94 [ 0:29] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118 [ 0:29] # NOTE: $frame in __dios_fault