Showing error 411

User: Jiri Slaby
Error type: Reachable Error Location
Error type description: A specified error location is reachable in some program path
File location: ldv-linux-3.4/32_1_cilled_safe_ok_nondet_linux-3.4-32_1-drivers--media--rc--keymaps--rc-flyvideo.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 334
Project: SV-COMP 2013
Project version: 2.6.28
Tools: Manual Work
Entered: 2013-01-17 16:57:54 UTC


Source:

  1/* Generated by CIL v. 1.3.7 */
  2/* print_CIL_Input is true */
  3
  4#line 46 "include/asm-generic/int-ll64.h"
  5typedef unsigned short u16;
  6#line 49 "include/asm-generic/int-ll64.h"
  7typedef unsigned int u32;
  8#line 52 "include/asm-generic/int-ll64.h"
  9typedef unsigned long long u64;
 10#line 219 "include/linux/types.h"
 11struct __anonstruct_atomic_t_7 {
 12   int counter ;
 13};
 14#line 219 "include/linux/types.h"
 15typedef struct __anonstruct_atomic_t_7 atomic_t;
 16#line 229 "include/linux/types.h"
 17struct list_head {
 18   struct list_head *next ;
 19   struct list_head *prev ;
 20};
 21#line 20 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/thread_info.h"
 22struct task_struct;
 23#line 20
 24struct task_struct;
 25#line 7 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/processor.h"
 26struct task_struct;
 27#line 52 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/paravirt_types.h"
 28struct task_struct;
 29#line 329
 30struct arch_spinlock;
 31#line 329
 32struct arch_spinlock;
 33#line 139 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/ptrace.h"
 34struct task_struct;
 35#line 8 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/current.h"
 36struct task_struct;
 37#line 14 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/spinlock_types.h"
 38typedef u16 __ticket_t;
 39#line 15 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/spinlock_types.h"
 40typedef u32 __ticketpair_t;
 41#line 20 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/spinlock_types.h"
 42struct __raw_tickets {
 43   __ticket_t head ;
 44   __ticket_t tail ;
 45};
 46#line 20 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/spinlock_types.h"
 47union __anonunion____missing_field_name_36 {
 48   __ticketpair_t head_tail ;
 49   struct __raw_tickets tickets ;
 50};
 51#line 20 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/spinlock_types.h"
 52struct arch_spinlock {
 53   union __anonunion____missing_field_name_36 __annonCompField17 ;
 54};
 55#line 20 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/spinlock_types.h"
 56typedef struct arch_spinlock arch_spinlock_t;
 57#line 12 "include/linux/lockdep.h"
 58struct task_struct;
 59#line 20 "include/linux/spinlock_types.h"
 60struct raw_spinlock {
 61   arch_spinlock_t raw_lock ;
 62   unsigned int magic ;
 63   unsigned int owner_cpu ;
 64   void *owner ;
 65};
 66#line 64 "include/linux/spinlock_types.h"
 67union __anonunion____missing_field_name_39 {
 68   struct raw_spinlock rlock ;
 69};
 70#line 64 "include/linux/spinlock_types.h"
 71struct spinlock {
 72   union __anonunion____missing_field_name_39 __annonCompField19 ;
 73};
 74#line 64 "include/linux/spinlock_types.h"
 75typedef struct spinlock spinlock_t;
 76#line 55 "include/linux/wait.h"
 77struct task_struct;
 78#line 48 "include/linux/mutex.h"
 79struct mutex {
 80   atomic_t count ;
 81   spinlock_t wait_lock ;
 82   struct list_head wait_list ;
 83   struct task_struct *owner ;
 84   char const   *name ;
 85   void *magic ;
 86};
 87#line 18 "include/linux/capability.h"
 88struct task_struct;
 89#line 31 "include/media/rc-map.h"
 90struct rc_map_table {
 91   u32 scancode ;
 92   u32 keycode ;
 93};
 94#line 36 "include/media/rc-map.h"
 95struct rc_map {
 96   struct rc_map_table *scan ;
 97   unsigned int size ;
 98   unsigned int len ;
 99   unsigned int alloc ;
100   u64 rc_type ;
101   char const   *name ;
102   spinlock_t lock ;
103};
104#line 46 "include/media/rc-map.h"
105struct rc_map_list {
106   struct list_head list ;
107   struct rc_map map ;
108};
109#line 270 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/elf.h"
110struct task_struct;
111#line 49 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
112struct __anonstruct_220 {
113   int  : 0 ;
114};
115#line 1 "<compiler builtins>"
116long __builtin_expect(long val , long res ) ;
117#line 152 "include/linux/mutex.h"
118void mutex_lock(struct mutex *lock ) ;
119#line 153
120int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) ;
121#line 154
122int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) ;
123#line 168
124int mutex_trylock(struct mutex *lock ) ;
125#line 169
126void mutex_unlock(struct mutex *lock ) ;
127#line 170
128int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) ;
129#line 53 "include/media/rc-map.h"
130extern int rc_map_register(struct rc_map_list *map ) ;
131#line 54
132extern void rc_map_unregister(struct rc_map_list *map ) ;
133#line 67 "include/linux/module.h"
134int init_module(void) ;
135#line 68
136void cleanup_module(void) ;
137#line 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
138static struct rc_map_table flyvideo[27]  = 
139#line 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
140  {      {(u32 )15, (u32 )11}, 
141        {(u32 )3, (u32 )2}, 
142        {(u32 )4, (u32 )3}, 
143        {(u32 )5, (u32 )4}, 
144        {(u32 )7, (u32 )5}, 
145        {(u32 )8, (u32 )6}, 
146        {(u32 )9, (u32 )7}, 
147        {(u32 )11, (u32 )8}, 
148        {(u32 )12, (u32 )9}, 
149        {(u32 )13, (u32 )10}, 
150        {(u32 )14, (u32 )373}, 
151        {(u32 )17, (u32 )393}, 
152        {(u32 )21, (u32 )392}, 
153        {(u32 )0, (u32 )116}, 
154        {(u32 )24, (u32 )386}, 
155        {(u32 )2, (u32 )372}, 
156        {(u32 )26, (u32 )368}, 
157        {(u32 )27, (u32 )113}, 
158        {(u32 )20, (u32 )115}, 
159        {(u32 )23, (u32 )114}, 
160        {(u32 )18, (u32 )402}, 
161        {(u32 )19, (u32 )403}, 
162        {(u32 )6, (u32 )129}, 
163        {(u32 )16, (u32 )28}, 
164        {(u32 )25, (u32 )158}, 
165        {(u32 )31, (u32 )159}, 
166        {(u32 )10, (u32 )371}};
167#line 49 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
168static struct rc_map_list flyvideo_map  =    {{(struct list_head *)0, (struct list_head *)0}, {flyvideo, (unsigned int )(sizeof(flyvideo) / sizeof(flyvideo[0]) + sizeof(struct __anonstruct_220 )),
169                                                     0U, 0U, (u64 )0, "rc-flyvideo",
170                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
171#line 58
172static int init_rc_map_flyvideo(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
173#line 58 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
174static int init_rc_map_flyvideo(void) 
175{ int tmp ;
176
177  {
178  {
179#line 60
180  tmp = rc_map_register(& flyvideo_map);
181  }
182#line 60
183  return (tmp);
184}
185}
186#line 63
187static void exit_rc_map_flyvideo(void)  __attribute__((__section__(".exit.text"),
188__no_instrument_function__)) ;
189#line 63 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
190static void exit_rc_map_flyvideo(void) 
191{ 
192
193  {
194  {
195#line 65
196  rc_map_unregister(& flyvideo_map);
197  }
198#line 66
199  return;
200}
201}
202#line 68 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
203int init_module(void) 
204{ int tmp ;
205
206  {
207  {
208#line 68
209  tmp = init_rc_map_flyvideo();
210  }
211#line 68
212  return (tmp);
213}
214}
215#line 69 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
216void cleanup_module(void) 
217{ 
218
219  {
220  {
221#line 69
222  exit_rc_map_flyvideo();
223  }
224#line 69
225  return;
226}
227}
228#line 71 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
229static char const   __mod_license71[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
230__aligned__(1)))  = 
231#line 71
232  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
233        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
234        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
235#line 72 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
236static char const   __mod_author72[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
237__aligned__(1)))  = 
238#line 72
239  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
240        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
241        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
242        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
243        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
244        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
245        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
246        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
247        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
248        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
249        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
250        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
251        (char const   )'>',      (char const   )'\000'};
252#line 90
253void ldv_check_final_state(void) ;
254#line 96
255extern void ldv_initialize(void) ;
256#line 99
257extern int __VERIFIER_nondet_int(void) ;
258#line 102 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
259int LDV_IN_INTERRUPT  ;
260#line 105 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
261void main(void) 
262{ int tmp ;
263  int tmp___0 ;
264  int tmp___1 ;
265
266  {
267  {
268#line 117
269  LDV_IN_INTERRUPT = 1;
270#line 126
271  ldv_initialize();
272#line 132
273  tmp = init_rc_map_flyvideo();
274  }
275#line 132
276  if (tmp) {
277#line 133
278    goto ldv_final;
279  } else {
280
281  }
282  {
283#line 135
284  while (1) {
285    while_continue: /* CIL Label */ ;
286    {
287#line 135
288    tmp___1 = __VERIFIER_nondet_int();
289    }
290#line 135
291    if (tmp___1) {
292
293    } else {
294#line 135
295      goto while_break;
296    }
297    {
298#line 138
299    tmp___0 = __VERIFIER_nondet_int();
300    }
301    {
302#line 140
303    goto switch_default;
304#line 138
305    if (0) {
306      switch_default: /* CIL Label */ 
307#line 140
308      goto switch_break;
309    } else {
310      switch_break: /* CIL Label */ ;
311    }
312    }
313  }
314  while_break: /* CIL Label */ ;
315  }
316  {
317#line 152
318  exit_rc_map_flyvideo();
319  }
320  ldv_final: 
321  {
322#line 155
323  ldv_check_final_state();
324  }
325#line 158
326  return;
327}
328}
329#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
330void ldv_blast_assert(void) 
331{ 
332
333  {
334  ERROR: 
335#line 6
336  goto ERROR;
337}
338}
339#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
340extern int __VERIFIER_nondet_int(void) ;
341#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
342int ldv_mutex  =    1;
343#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
344int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
345{ int nondetermined ;
346
347  {
348#line 29
349  if (ldv_mutex == 1) {
350
351  } else {
352    {
353#line 29
354    ldv_blast_assert();
355    }
356  }
357  {
358#line 32
359  nondetermined = __VERIFIER_nondet_int();
360  }
361#line 35
362  if (nondetermined) {
363#line 38
364    ldv_mutex = 2;
365#line 40
366    return (0);
367  } else {
368#line 45
369    return (-4);
370  }
371}
372}
373#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
374int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
375{ int nondetermined ;
376
377  {
378#line 57
379  if (ldv_mutex == 1) {
380
381  } else {
382    {
383#line 57
384    ldv_blast_assert();
385    }
386  }
387  {
388#line 60
389  nondetermined = __VERIFIER_nondet_int();
390  }
391#line 63
392  if (nondetermined) {
393#line 66
394    ldv_mutex = 2;
395#line 68
396    return (0);
397  } else {
398#line 73
399    return (-4);
400  }
401}
402}
403#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
404int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
405{ int atomic_value_after_dec ;
406
407  {
408#line 83
409  if (ldv_mutex == 1) {
410
411  } else {
412    {
413#line 83
414    ldv_blast_assert();
415    }
416  }
417  {
418#line 86
419  atomic_value_after_dec = __VERIFIER_nondet_int();
420  }
421#line 89
422  if (atomic_value_after_dec == 0) {
423#line 92
424    ldv_mutex = 2;
425#line 94
426    return (1);
427  } else {
428
429  }
430#line 98
431  return (0);
432}
433}
434#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
435void mutex_lock(struct mutex *lock ) 
436{ 
437
438  {
439#line 108
440  if (ldv_mutex == 1) {
441
442  } else {
443    {
444#line 108
445    ldv_blast_assert();
446    }
447  }
448#line 110
449  ldv_mutex = 2;
450#line 111
451  return;
452}
453}
454#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
455int mutex_trylock(struct mutex *lock ) 
456{ int nondetermined ;
457
458  {
459#line 121
460  if (ldv_mutex == 1) {
461
462  } else {
463    {
464#line 121
465    ldv_blast_assert();
466    }
467  }
468  {
469#line 124
470  nondetermined = __VERIFIER_nondet_int();
471  }
472#line 127
473  if (nondetermined) {
474#line 130
475    ldv_mutex = 2;
476#line 132
477    return (1);
478  } else {
479#line 137
480    return (0);
481  }
482}
483}
484#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
485void mutex_unlock(struct mutex *lock ) 
486{ 
487
488  {
489#line 147
490  if (ldv_mutex == 2) {
491
492  } else {
493    {
494#line 147
495    ldv_blast_assert();
496    }
497  }
498#line 149
499  ldv_mutex = 1;
500#line 150
501  return;
502}
503}
504#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
505void ldv_check_final_state(void) 
506{ 
507
508  {
509#line 156
510  if (ldv_mutex == 1) {
511
512  } else {
513    {
514#line 156
515    ldv_blast_assert();
516    }
517  }
518#line 157
519  return;
520}
521}
522#line 167 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12894/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-flyvideo.c.common.c"
523long s__builtin_expect(long val , long res ) 
524{ 
525
526  {
527#line 168
528  return (val);
529}
530}