bin/symbiotic --witness witness.graphml --no-slice --no-prepare --prp=../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-32_7a-drivers--media--v4l2-core--videobuf-dma-contig.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c


--------------------------------------------------------------------------------


5.0.0-KLEE:86e6f6f8-dg:03407af1-symbiotic:a8aa8ad6-minisat:3db58943-stp:17249213-sbt-instrumentation:dd7e4312
INFO: After compilation stats: Globals/Functions/Blocks/Instr.: 40 78 542 3232
Removed infinite loop in __videobuf_to_vaddr
Removed infinite loop in __videobuf_iolock
Removed infinite loop in __videobuf_mmap_mapper
Removed infinite loop in dma_unmap_single_attrs
Removed infinite loop in arch_local_save_flags
Removed infinite loop in dma_map_single_attrs
Removed infinite loop in __videobuf_sync
Removed infinite loop in dma_sync_single_for_cpu
Removed infinite loop in videobuf_vm_close
Removed infinite loop in videobuf_to_dma_contig
Removed infinite loop in videobuf_dma_contig_free
INFO: Compilation, preparation and instrumentation time: 0.194342851639
Removed calls to 'videobuf_queue_core_init' (function is undefined)
Removed calls to 'down_read' (function is undefined)
Removed calls to 'up_read' (function is undefined)
Defining function printk as symbolic
Removed calls to 'debug_dma_map_page' (function is undefined)
Removed calls to 'debug_dma_mapping_error' (function is undefined)
Removed calls to 'free_pages_exact' (function is undefined)
Removed calls to 'debug_dma_alloc_coherent' (function is undefined)
Defining function remap_pfn_range as symbolic
Defining function dev_err as symbolic
Removed calls to 'warn_slowpath_null' (function is undefined)
Removed calls to 'debug_dma_free_coherent' (function is undefined)
Defining function __phys_addr as symbolic
Removed calls to 'debug_dma_unmap_page' (function is undefined)
Defining function vm_insert_page as symbolic
Defining function alloc_pages_exact as symbolic
Defining function find_vma as symbolic
Defining function follow_pfn as symbolic
Removed calls to 'debug_dma_sync_single_for_cpu' (function is undefined)
Removed calls to 'videobuf_queue_cancel' (function is undefined)
Removed calls to 'mutex_unlock' (function is undefined)
Removed calls to 'mutex_lock' (function is undefined)
Removed calls to 'ldv_handler_precall' (function is undefined)
Defining function mutex_trylock as symbolic
Linked our definitions to these undefined functions:
  __kmalloc
  kfree
  __VERIFIER_error
  __VERIFIER_make_symbolic
  __VERIFIER_malloc0
  __VERIFIER_nondet_int_named
INFO: After-slicing optimizations and preparation time: 0.162291049957
INFO: Before verification stats: Globals/Functions/Blocks/Instr.: 105 72 343 1787
INFO: Starting verification
KLEE: WARNING ONCE: function "__videobuf_to_vaddr" has inline asm
KLEE: WARNING ONCE: function "__videobuf_iolock" has inline asm
KLEE: WARNING ONCE: function "__videobuf_mmap_mapper" has inline asm
KLEE: WARNING ONCE: function "dma_free_attrs" has inline asm
KLEE: WARNING ONCE: function "__videobuf_sync" has inline asm
KLEE: WARNING ONCE: function "videobuf_vm_close" has inline asm
KLEE: WARNING ONCE: function "videobuf_to_dma_contig" has inline asm
KLEE: WARNING ONCE: function "videobuf_dma_contig_free" has inline asm
KLEE: WARNING ONCE: Alignment of memory from call "malloc" is not modelled. Using alignment of 8.
KLEE: WARNING ONCE: flushing 9576 bytes on read, may be slow and/or crash: MO18[9576] allocated at global:
KLEE: ERROR: /tmp/symbiotic-NlFuoO/32_7a_cilled_true-unreach-call_linux-3.8-rc1-32_7a-drivers--media--v4l2-core--videobuf-dma-contig.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c:3761: memory error: out of bound pointer
KLEE: NOTE: now ignoring this error at this location
KLEE: ERROR: /tmp/symbiotic-NlFuoO/32_7a_cilled_true-unreach-call_linux-3.8-rc1-32_7a-drivers--media--v4l2-core--videobuf-dma-contig.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c:3900: memory error: out of bound pointer
KLEE: NOTE: now ignoring this error at this location
KLEE: WARNING ONCE: ERROR: concretized symbolic size to 2^17,analysis may be unsound
KLEE: output directory is "/tmp/symbiotic-NlFuoO/klee-out-0"
KLEE: Using STP solver backend
KLEE: WARNING ONCE: function "__videobuf_to_vaddr" has inline asm
KLEE: WARNING ONCE: function "__videobuf_iolock" has inline asm
KLEE: WARNING ONCE: function "__videobuf_mmap_mapper" has inline asm
KLEE: WARNING ONCE: function "dma_free_attrs" has inline asm
KLEE: WARNING ONCE: function "__videobuf_sync" has inline asm
KLEE: WARNING ONCE: function "videobuf_vm_close" has inline asm
KLEE: WARNING ONCE: function "videobuf_to_dma_contig" has inline asm
KLEE: WARNING ONCE: function "videobuf_dma_contig_free" has inline asm
KLEE: WARNING ONCE: Alignment of memory from call "malloc" is not modelled. Using alignment of 8.
KLEE: WARNING ONCE: flushing 9576 bytes on read, may be slow and/or crash: MO18[9576] allocated at global:
KLEE: ERROR: /tmp/symbiotic-NlFuoO/32_7a_cilled_true-unreach-call_linux-3.8-rc1-32_7a-drivers--media--v4l2-core--videobuf-dma-contig.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c:3761: memory error: out of bound pointer
KLEE: NOTE: now ignoring this error at this location
KLEE: ERROR: /tmp/symbiotic-NlFuoO/32_7a_cilled_true-unreach-call_linux-3.8-rc1-32_7a-drivers--media--v4l2-core--videobuf-dma-contig.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c:3900: memory error: out of bound pointer
KLEE: NOTE: now ignoring this error at this location
KLEE: NOTE: found huge malloc, returning 0
KLEE: WARNING ONCE: ERROR: concretized symbolic size to 2^17,analysis may be unsound
0  klee            0x00000000012fcca8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 56
1  klee            0x00000000012fac7e llvm::sys::RunSignalHandlers() + 62
2  klee            0x00000000012fadcc
3  libpthread.so.0 0x00007fda9d7bc390
4  klee            0x00000000005d20ab klee::Executor::executeMemoryOperation(klee::ExecutionState&, bool, klee::ref<klee::Expr>, klee::ref<klee::Expr>, klee::KInstruction*) + 75
5  klee            0x00000000005d560d klee::Executor::executeInstruction(klee::ExecutionState&, klee::KInstruction*) + 2285
6  klee            0x00000000005da8c5 klee::Executor::run(klee::ExecutionState&) + 2117
7  klee            0x00000000005daeef klee::Executor::runFunctionAsMain(llvm::Function*, int, char**, char**) + 1391
8  klee            0x0000000000593c63 main + 8867
9  libc.so.6       0x00007fda9cb60830 __libc_start_main + 240
10 klee            0x00000000005bed49 _start + 41
Running the verifier failed
RESULT: unknown
INFO: Total time elapsed: 4.02163600922
