Showing error 426

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-leadtek-y04g0051.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 355
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 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.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 25 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
138static struct rc_map_table leadtek_y04g0051[50]  = 
139#line 25 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
140  {      {(u32 )768, (u32 )356}, 
141        {(u32 )771, (u32 )375}, 
142        {(u32 )772, (u32 )106}, 
143        {(u32 )773, (u32 )2}, 
144        {(u32 )774, (u32 )3}, 
145        {(u32 )775, (u32 )4}, 
146        {(u32 )776, (u32 )105}, 
147        {(u32 )777, (u32 )5}, 
148        {(u32 )778, (u32 )6}, 
149        {(u32 )779, (u32 )7}, 
150        {(u32 )780, (u32 )103}, 
151        {(u32 )781, (u32 )8}, 
152        {(u32 )782, (u32 )9}, 
153        {(u32 )783, (u32 )10}, 
154        {(u32 )784, (u32 )108}, 
155        {(u32 )785, (u32 )129}, 
156        {(u32 )786, (u32 )11}, 
157        {(u32 )787, (u32 )352}, 
158        {(u32 )788, (u32 )113}, 
159        {(u32 )790, (u32 )352}, 
160        {(u32 )798, (u32 )393}, 
161        {(u32 )795, (u32 )392}, 
162        {(u32 )799, (u32 )388}, 
163        {(u32 )832, (u32 )142}, 
164        {(u32 )833, (u32 )52}, 
165        {(u32 )834, (u32 )168}, 
166        {(u32 )835, (u32 )207}, 
167        {(u32 )836, (u32 )208}, 
168        {(u32 )837, (u32 )359}, 
169        {(u32 )838, (u32 )128}, 
170        {(u32 )839, (u32 )167}, 
171        {(u32 )840, (u32 )212}, 
172        {(u32 )841, (u32 )1}, 
173        {(u32 )842, (u32 )181}, 
174        {(u32 )843, (u32 )398}, 
175        {(u32 )844, (u32 )399}, 
176        {(u32 )845, (u32 )400}, 
177        {(u32 )846, (u32 )401}, 
178        {(u32 )847, (u32 )139}, 
179        {(u32 )848, (u32 )128}, 
180        {(u32 )849, (u32 )363}, 
181        {(u32 )850, (u32 )393}, 
182        {(u32 )851, (u32 )365}, 
183        {(u32 )852, (u32 )412}, 
184        {(u32 )853, (u32 )407}, 
185        {(u32 )854, (u32 )377}, 
186        {(u32 )858, (u32 )114}, 
187        {(u32 )859, (u32 )402}, 
188        {(u32 )862, (u32 )115}, 
189        {(u32 )863, (u32 )403}};
190#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
191static struct rc_map_list leadtek_y04g0051_map  =    {{(struct list_head *)0, (struct list_head *)0}, {leadtek_y04g0051, (unsigned int )(sizeof(leadtek_y04g0051) / sizeof(leadtek_y04g0051[0]) + sizeof(struct __anonstruct_220 )),
192                                                     0U, 0U, (u64 )(1 << 1), "rc-leadtek-y04g0051",
193                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
194#line 87
195static int init_rc_map_leadtek_y04g0051(void)  __attribute__((__section__(".init.text"),
196__no_instrument_function__)) ;
197#line 87 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
198static int init_rc_map_leadtek_y04g0051(void) 
199{ int tmp ;
200
201  {
202  {
203#line 89
204  tmp = rc_map_register(& leadtek_y04g0051_map);
205  }
206#line 89
207  return (tmp);
208}
209}
210#line 92
211static void exit_rc_map_leadtek_y04g0051(void)  __attribute__((__section__(".exit.text"),
212__no_instrument_function__)) ;
213#line 92 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
214static void exit_rc_map_leadtek_y04g0051(void) 
215{ 
216
217  {
218  {
219#line 94
220  rc_map_unregister(& leadtek_y04g0051_map);
221  }
222#line 95
223  return;
224}
225}
226#line 97 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
227int init_module(void) 
228{ int tmp ;
229
230  {
231  {
232#line 97
233  tmp = init_rc_map_leadtek_y04g0051();
234  }
235#line 97
236  return (tmp);
237}
238}
239#line 98 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
240void cleanup_module(void) 
241{ 
242
243  {
244  {
245#line 98
246  exit_rc_map_leadtek_y04g0051();
247  }
248#line 98
249  return;
250}
251}
252#line 100 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
253static char const   __mod_license100[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
254__aligned__(1)))  = 
255#line 100
256  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
257        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
258        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
259#line 101 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
260static char const   __mod_author101[38]  __attribute__((__used__, __unused__, __section__(".modinfo"),
261__aligned__(1)))  = 
262#line 101
263  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
264        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
265        (char const   )'n',      (char const   )'t',      (char const   )'t',      (char const   )'i', 
266        (char const   )' ',      (char const   )'P',      (char const   )'a',      (char const   )'l', 
267        (char const   )'o',      (char const   )'s',      (char const   )'a',      (char const   )'a', 
268        (char const   )'r',      (char const   )'i',      (char const   )' ',      (char const   )'<', 
269        (char const   )'c',      (char const   )'r',      (char const   )'o',      (char const   )'p', 
270        (char const   )'e',      (char const   )'@',      (char const   )'i',      (char const   )'k', 
271        (char const   )'i',      (char const   )'.',      (char const   )'f',      (char const   )'i', 
272        (char const   )'>',      (char const   )'\000'};
273#line 119
274void ldv_check_final_state(void) ;
275#line 125
276extern void ldv_initialize(void) ;
277#line 128
278extern int __VERIFIER_nondet_int(void) ;
279#line 131 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
280int LDV_IN_INTERRUPT  ;
281#line 134 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
282void main(void) 
283{ int tmp ;
284  int tmp___0 ;
285  int tmp___1 ;
286
287  {
288  {
289#line 146
290  LDV_IN_INTERRUPT = 1;
291#line 155
292  ldv_initialize();
293#line 161
294  tmp = init_rc_map_leadtek_y04g0051();
295  }
296#line 161
297  if (tmp) {
298#line 162
299    goto ldv_final;
300  } else {
301
302  }
303  {
304#line 164
305  while (1) {
306    while_continue: /* CIL Label */ ;
307    {
308#line 164
309    tmp___1 = __VERIFIER_nondet_int();
310    }
311#line 164
312    if (tmp___1) {
313
314    } else {
315#line 164
316      goto while_break;
317    }
318    {
319#line 167
320    tmp___0 = __VERIFIER_nondet_int();
321    }
322    {
323#line 169
324    goto switch_default;
325#line 167
326    if (0) {
327      switch_default: /* CIL Label */ 
328#line 169
329      goto switch_break;
330    } else {
331      switch_break: /* CIL Label */ ;
332    }
333    }
334  }
335  while_break: /* CIL Label */ ;
336  }
337  {
338#line 181
339  exit_rc_map_leadtek_y04g0051();
340  }
341  ldv_final: 
342  {
343#line 184
344  ldv_check_final_state();
345  }
346#line 187
347  return;
348}
349}
350#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
351void ldv_blast_assert(void) 
352{ 
353
354  {
355  ERROR: 
356#line 6
357  goto ERROR;
358}
359}
360#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
361extern int __VERIFIER_nondet_int(void) ;
362#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
363int ldv_mutex  =    1;
364#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
365int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
366{ int nondetermined ;
367
368  {
369#line 29
370  if (ldv_mutex == 1) {
371
372  } else {
373    {
374#line 29
375    ldv_blast_assert();
376    }
377  }
378  {
379#line 32
380  nondetermined = __VERIFIER_nondet_int();
381  }
382#line 35
383  if (nondetermined) {
384#line 38
385    ldv_mutex = 2;
386#line 40
387    return (0);
388  } else {
389#line 45
390    return (-4);
391  }
392}
393}
394#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
395int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
396{ int nondetermined ;
397
398  {
399#line 57
400  if (ldv_mutex == 1) {
401
402  } else {
403    {
404#line 57
405    ldv_blast_assert();
406    }
407  }
408  {
409#line 60
410  nondetermined = __VERIFIER_nondet_int();
411  }
412#line 63
413  if (nondetermined) {
414#line 66
415    ldv_mutex = 2;
416#line 68
417    return (0);
418  } else {
419#line 73
420    return (-4);
421  }
422}
423}
424#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
425int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
426{ int atomic_value_after_dec ;
427
428  {
429#line 83
430  if (ldv_mutex == 1) {
431
432  } else {
433    {
434#line 83
435    ldv_blast_assert();
436    }
437  }
438  {
439#line 86
440  atomic_value_after_dec = __VERIFIER_nondet_int();
441  }
442#line 89
443  if (atomic_value_after_dec == 0) {
444#line 92
445    ldv_mutex = 2;
446#line 94
447    return (1);
448  } else {
449
450  }
451#line 98
452  return (0);
453}
454}
455#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
456void mutex_lock(struct mutex *lock ) 
457{ 
458
459  {
460#line 108
461  if (ldv_mutex == 1) {
462
463  } else {
464    {
465#line 108
466    ldv_blast_assert();
467    }
468  }
469#line 110
470  ldv_mutex = 2;
471#line 111
472  return;
473}
474}
475#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
476int mutex_trylock(struct mutex *lock ) 
477{ int nondetermined ;
478
479  {
480#line 121
481  if (ldv_mutex == 1) {
482
483  } else {
484    {
485#line 121
486    ldv_blast_assert();
487    }
488  }
489  {
490#line 124
491  nondetermined = __VERIFIER_nondet_int();
492  }
493#line 127
494  if (nondetermined) {
495#line 130
496    ldv_mutex = 2;
497#line 132
498    return (1);
499  } else {
500#line 137
501    return (0);
502  }
503}
504}
505#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
506void mutex_unlock(struct mutex *lock ) 
507{ 
508
509  {
510#line 147
511  if (ldv_mutex == 2) {
512
513  } else {
514    {
515#line 147
516    ldv_blast_assert();
517    }
518  }
519#line 149
520  ldv_mutex = 1;
521#line 150
522  return;
523}
524}
525#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
526void ldv_check_final_state(void) 
527{ 
528
529  {
530#line 156
531  if (ldv_mutex == 1) {
532
533  } else {
534    {
535#line 156
536    ldv_blast_assert();
537    }
538  }
539#line 157
540  return;
541}
542}
543#line 196 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12909/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-leadtek-y04g0051.c.common.c"
544long s__builtin_expect(long val , long res ) 
545{ 
546
547  {
548#line 197
549  return (val);
550}
551}