bin/symbiotic --witness witness.graphml --no-slice --no-prepare --prp=../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko_false-unreach-call.cil.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.: 272 856 5474 32989
Removed infinite loop in ldv_assume
Removed infinite loop in ldv_stop
Removed infinite loop in ldv_linux_kernel_module_module_put_and_exit
INFO: Compilation, preparation and instrumentation time: 1.20298695564
Removed calls to '__ldv_linux_kernel_locking_spinlock_spin_lock' (function is undefined)
Removed calls to '_raw_spin_unlock_irqrestore' (function is undefined)
Removed calls to '__tasklet_schedule' (function is undefined)
Removed calls to '__const_udelay' (function is undefined)
Removed calls to '__might_sleep' (function is undefined)
Removed calls to 'schedule' (function is undefined)
Removed calls to 'finish_wait' (function is undefined)
Defining function prepare_to_wait_event as symbolic
Removed calls to 'tty_ldisc_deref' (function is undefined)
Removed calls to 'tty_flip_buffer_push' (function is undefined)
Removed calls to '__wake_up' (function is undefined)
Removed calls to 'tty_hangup' (function is undefined)
Defining function tty_ldisc_ref as symbolic
Defining function tty_buffer_request_room as symbolic
Defining function tty_insert_flip_string_fixed_flag as symbolic
Defining function tty_insert_flip_string_flags as symbolic
Removed calls to 'ldv_after_alloc' (function is undefined)
Removed calls to '__init_waitqueue_head' (function is undefined)
Removed calls to '__raw_spin_lock_init' (function is undefined)
Removed calls to 'dev_err' (function is undefined)
Removed calls to 'tasklet_init' (function is undefined)
Defining function pci_enable_device as symbolic
Removed calls to 'tty_set_operations' (function is undefined)
Removed calls to 'tty_unregister_device' (function is undefined)
Defining function printk as symbolic
Defining function device_create_file as symbolic
Defining function tty_register_device as symbolic
Defining function request_threaded_irq as symbolic
Defining function tty_unregister_driver as symbolic
Defining function snprintf as symbolic
Defining function tty_register_driver as symbolic
Defining function external_allocated_data as symbolic
Defining function pci_bus_read_config_byte as symbolic
Defining function pci_bus_read_config_word as symbolic
Removed calls to 'might_fault' (function is undefined)
Defining function sprintf as symbolic
Defining function _copy_from_user as symbolic
Defining function _copy_to_user as symbolic
Removed calls to 'tty_ldisc_flush' (function is undefined)
Defining function tty_check_change as symbolic
Defining function schedule_timeout as symbolic
Defining function tty_devnum as symbolic
Defining function tty_hung_up_p as symbolic
Defining function sscanf as symbolic
Removed calls to 'device_destroy' (function is undefined)
Removed calls to 'free_irq' (function is undefined)
Removed calls to 'tasklet_kill' (function is undefined)
Removed calls to 'pci_unregister_driver' (function is undefined)
Removed calls to 'driver_remove_file' (function is undefined)
Removed calls to '__unregister_chrdev' (function is undefined)
Removed calls to 'device_remove_file' (function is undefined)
Defining function del_timer_sync as symbolic
Removed calls to 'init_timer_key' (function is undefined)
Removed calls to 'add_timer' (function is undefined)
Defining function driver_create_file as symbolic
Defining function __pci_register_driver as symbolic
Removed calls to 'ldv_pre_probe' (function is undefined)
Defining function device_create as symbolic
Defining function __register_chrdev as symbolic
Removed calls to 'ldv_assert' (function is undefined)
Linked our definitions to these undefined functions:
  strncpy
  __memcpy
  __memset
  kfree
  __VERIFIER_assume
  __VERIFIER_calloc0
  __VERIFIER_error
  __VERIFIER_exit
  __VERIFIER_make_symbolic
  __VERIFIER_malloc0
  __VERIFIER_nondet_int_named
  __VERIFIER_nondet_pointer_named
  __VERIFIER_nondet_ulong_named
INFO: After-slicing optimizations and preparation time: 1.16901993752
INFO: Before verification stats: Globals/Functions/Blocks/Instr.: 384 704 3170 19210
INFO: Starting verification
KLEE: WARNING ONCE: function "cls_tasklet" has inline asm
KLEE: WARNING ONCE: function "cls_intr" has inline asm
KLEE: WARNING ONCE: function "cls_uart_init" has inline asm
KLEE: WARNING ONCE: function "cls_uart_off" has inline asm
KLEE: WARNING ONCE: function "cls_param" has inline asm
KLEE: WARNING ONCE: function "cls_vpd" has inline asm
KLEE: WARNING ONCE: function "cls_assert_modem_signals" has inline asm
KLEE: WARNING ONCE: function "cls_flush_uart_write" has inline asm
KLEE: WARNING ONCE: function "cls_disable_receiver" has inline asm
KLEE: WARNING ONCE: function "cls_enable_receiver" has inline asm
KLEE: WARNING ONCE: function "cls_send_break" has inline asm
KLEE: WARNING ONCE: function "cls_send_start_character" has inline asm
KLEE: WARNING ONCE: function "cls_send_stop_character" has inline asm
KLEE: WARNING ONCE: function "cls_get_uart_bytes_left" has inline asm
KLEE: WARNING ONCE: function "cls_send_immediate_char" has inline asm
KLEE: WARNING ONCE: function "neo_tasklet" has inline asm
KLEE: WARNING ONCE: function "neo_intr" has inline asm
KLEE: WARNING ONCE: function "neo_uart_init" has inline asm
KLEE: WARNING ONCE: function "neo_uart_off" has inline asm
KLEE: WARNING ONCE: function "neo_param" has inline asm
KLEE: WARNING ONCE: function "neo_vpd" has inline asm
KLEE: WARNING ONCE: function "neo_assert_modem_signals" has inline asm
KLEE: WARNING ONCE: function "neo_flush_uart_write" has inline asm
KLEE: WARNING ONCE: function "neo_flush_uart_read" has inline asm
KLEE: WARNING ONCE: function "neo_disable_receiver" has inline asm
KLEE: WARNING ONCE: function "neo_enable_receiver" has inline asm
KLEE: WARNING ONCE: function "neo_send_break" has inline asm
KLEE: WARNING ONCE: function "neo_send_start_character" has inline asm
KLEE: WARNING ONCE: function "neo_send_stop_character" has inline asm
KLEE: WARNING ONCE: function "neo_copy_data_from_queue_to_uart" has inline asm
KLEE: WARNING ONCE: function "neo_get_uart_bytes_left" has inline asm
KLEE: WARNING ONCE: function "neo_send_immediate_char" has inline asm
KLEE: WARNING ONCE: function "neo_set_no_output_flow_control" has inline asm
KLEE: WARNING ONCE: function "neo_set_no_input_flow_control" has inline asm
KLEE: WARNING ONCE: function "neo_copy_data_from_uart_to_queue" has inline asm
KLEE: WARNING ONCE: function "neo_parse_isr" has inline asm
KLEE: WARNING ONCE: function "dgnc_init_one" has inline asm
KLEE: WARNING ONCE: function "dgnc_tty_open" has inline asm
KLEE: WARNING ONCE: function "dgnc_tty_close" has inline asm
KLEE: WARNING ONCE: function "dgnc_tty_ioctl" has inline asm
KLEE: WARNING ONCE: function "cls_set_no_output_flow_control" has inline asm
KLEE: WARNING ONCE: function "cls_set_no_input_flow_control" has inline asm
KLEE: WARNING ONCE: function "dgnc_ms_sleep" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_9_43" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_9_47" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_9_67" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_9_83" has inline asm
KLEE: WARNING ONCE: function "dgnc_cleanup_module" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_tty_instance_9" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_tty_instance_10" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_10_83" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_10_67" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_10_47" has inline asm
KLEE: WARNING ONCE: function "ldv_tty_instance_callback_10_43" has inline asm
KLEE: ERROR: /tmp/vcloud-vcloud-master/worker/working_dir_e74c23e3-162a-4b94-8566-8a5ca4b23e35/symbiotic/lib/verifier/__VERIFIER_exit.c:6: abort failure
KLEE: NOTE: now ignoring this error at this location
KLEE: WARNING ONCE: Alignment of memory from call "malloc" is not modelled. Using alignment of 8.
KLEE: ERROR: /tmp/vcloud-vcloud-master/worker/working_dir_e74c23e3-162a-4b94-8566-8a5ca4b23e35/symbiotic/lib/verifier/__VERIFIER_error.c:9: ASSERTION FAIL: verifier assertion failed
KLEE: NOTE: now ignoring this error at this location
Error found.
RESULT: false(unreach-call)

 --- Error trace ---

Error: ASSERTION FAIL: verifier assertion failed
File: /tmp/vcloud-vcloud-master/worker/working_dir_e74c23e3-162a-4b94-8566-8a5ca4b23e35/symbiotic/lib/verifier/__VERIFIER_error.c
Line: 9
assembly.ll line: 884
Stack: 
	#000000884 in __VERIFIER_error () at /tmp/vcloud-vcloud-master/worker/working_dir_e74c23e3-162a-4b94-8566-8a5ca4b23e35/symbiotic/lib/verifier/__VERIFIER_error.c:9
	#100015074 in ldv_unregister_chrdev_100 () at /tmp/symbiotic-tPf488/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko_false-unreach-call.cil.c:27954
	#200014866 in dgnc_cleanup_module () at /tmp/symbiotic-tPf488/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko_false-unreach-call.cil.c:7284
	#300015548 in ldv_EMGentry_init_dgnc_init_module_20_14 (=0) at /tmp/symbiotic-tPf488/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko_false-unreach-call.cil.c:7342
	#400018441 in ldv_entry_EMGentry_20 (=0) at /tmp/symbiotic-tPf488/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko_false-unreach-call.cil.c:8467
	#500019487 in main () at /tmp/symbiotic-tPf488/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko_false-unreach-call.cil.c:8513

 --- ----------- ---
Generating witness: /tmp/vcloud-vcloud-master/worker/working_dir_e74c23e3-162a-4b94-8566-8a5ca4b23e35/symbiotic/witness.graphml
 -- ---- --
Symbolic objects:
nondet := len 8 bytes, |8 times 0x0|
nondet:1 := len 8 bytes, |8 times 0x0|
nondet:2 := len 4 bytes, |3 times 0x0|0x80|
nondet:3 := len 8 bytes, |8 times 0x0|
nondet:4 := len 8 bytes, |8 times 0x0|
nondet:5 := len 8 bytes, |8 times 0x0|
nondet:6 := len 1 bytes, |0x0|
nondet:7 := len 8 bytes, |8 times 0x0|
nondet:8 := len 8 bytes, |8 times 0x0|
nondet:9 := len 8 bytes, |8 times 0x0|
nondet:10 := len 8 bytes, |8 times 0x0|
nondet:11 := len 8 bytes, |8 times 0x0|
nondet:12 := len 8 bytes, |8 times 0x0|
nondet:13 := len 8 bytes, |8 times 0x0|
nondet:14 := len 8 bytes, |8 times 0x0|
nondet:15 := len 8 bytes, |8 times 0x0|
nondet:16 := len 8 bytes, |8 times 0x0|
nondet:17 := len 8 bytes, |8 times 0x0|
nondet:18 := len 8 bytes, |8 times 0x0|
nondet:19 := len 8 bytes, |8 times 0x0|
nondet:20 := len 8 bytes, |8 times 0x0|
nondet:21 := len 8 bytes, |8 times 0x0|
nondet:22 := len 8 bytes, |8 times 0x0|
nondet:23 := len 8 bytes, |8 times 0x0|
nondet:24 := len 8 bytes, |8 times 0x0|
nondet:25 := len 8 bytes, |8 times 0x0|
nondet:26 := len 8 bytes, |8 times 0x0|
nondet:27 := len 8 bytes, |8 times 0x0|
nondet:28 := len 8 bytes, |8 times 0x0|
nondet:29 := len 8 bytes, |8 times 0x0|
nondet:30 := len 8 bytes, |8 times 0x0|
nondet:31 := len 8 bytes, |8 times 0x0|
nondet:32 := len 8 bytes, |8 times 0x0|
nondet:33 := len 8 bytes, |8 times 0x0|
nondet:34 := len 8 bytes, |8 times 0x0|
nondet:35 := len 8 bytes, |8 times 0x0|
nondet:36 := len 8 bytes, |8 times 0x0|
nondet:37 := len 8 bytes, |8 times 0x0|
nondet:38 := len 8 bytes, |8 times 0x0|
nondet:39 := len 8 bytes, |8 times 0x0|
nondet:40 := len 8 bytes, |8 times 0x0|
nondet:41 := len 8 bytes, |8 times 0x0|
nondet:42 := len 8 bytes, |8 times 0x0|
nondet:43 := len 8 bytes, |8 times 0x0|
nondet:44 := len 8 bytes, |8 times 0x0|
nondet:45 := len 4 bytes, |4 times 0x0|
nondet:46 := len 8 bytes, |8 times 0x0|
nondet:47 := len 8 bytes, |8 times 0x0|
nondet:48 := len 8 bytes, |8 times 0x0|
nondet:49 := len 8 bytes, |8 times 0x0|
nondet:50 := len 76 bytes, |76 times 0x0|
nondet:51 := len 40 bytes, |40 times 0x0|
nondet:52 := len 56 bytes, |56 times 0x0|
nondet:53 := len 8 bytes, |8 times 0x0|
nondet:54 := len 60 bytes, |60 times 0x0|
nondet:55 := len 32 bytes, |32 times 0x0|
nondet:56 := len 32 bytes, |32 times 0x0|
nondet:57 := len 8 bytes, |8 times 0x0|
nondet:58 := len 8 bytes, |8 times 0x0|
nondet:59 := len 40 bytes, |40 times 0x0|
nondet:60 := len 8 bytes, |8 times 0x0|
nondet:61 := len 8 bytes, |8 times 0x0|
nondet:62 := len 8 bytes, |8 times 0x0|
nondet:63 := len 2 bytes, |2 times 0x0|
nondet:64 := len 8 bytes, |8 times 0x0|
nondet:65 := len 8 bytes, |8 times 0x0|
nondet:66 := len 40 bytes, |40 times 0x0|
nondet:67 := len 8 bytes, |8 times 0x0|
nondet:68 := len 1 bytes, |0x0|
nondet:69 := len 4 bytes, |4 times 0x0|
nondet:70 := len 8 bytes, |8 times 0x0|
nondet:71 := len 8 bytes, |8 times 0x0|
extern-global:nr_cpu_ids := len 4 bytes, |3 times 0xff|0x7f|
extern-global:current_task := len 10680 bytes, |10680 times 0x0|
extern-global:__this_module := len 856 bytes, |856 times 0x0|
extern-global:jiffies := len 8 bytes, |8 times 0x0|
ldv_undef_int:tmp:25639 := len 4 bytes, |4 times 0x0|
ldv_undef_int:tmp:25639:1 := len 4 bytes, |3 times 0xff|0x7f|
ldv_undef_int:tmp:25639:2 := len 4 bytes, |4 times 0x0|
ldv_undef_int:tmp:25639:3 := len 4 bytes, |3 times 0xff|0x7f|
ldv_undef_int:tmp:25639:4 := len 4 bytes, |4 times 0x0|
ldv_undef_ptr:tmp:25650 := len 8 bytes, |0x1|0xf0|6 times 0xff|
ldv_undef_ptr:tmp:25650:1 := len 8 bytes, |0x1|0xf0|6 times 0xff|
ldv_undef_int:tmp:25639:5 := len 4 bytes, |4 times 0x0|
 -- ---- --
INFO: Total time elapsed: 2.87770390511
