Showing error 452

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-real-audio-220-32-keys.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 336
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 57 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.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 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
138static struct rc_map_table real_audio_220_32_keys[28]  = 
139#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
140  {      {(u32 )28, (u32 )385}, 
141        {(u32 )18, (u32 )356}, 
142        {(u32 )1, (u32 )2}, 
143        {(u32 )2, (u32 )3}, 
144        {(u32 )3, (u32 )4}, 
145        {(u32 )4, (u32 )5}, 
146        {(u32 )5, (u32 )6}, 
147        {(u32 )6, (u32 )7}, 
148        {(u32 )7, (u32 )8}, 
149        {(u32 )8, (u32 )9}, 
150        {(u32 )9, (u32 )10}, 
151        {(u32 )0, (u32 )11}, 
152        {(u32 )12, (u32 )115}, 
153        {(u32 )24, (u32 )114}, 
154        {(u32 )11, (u32 )402}, 
155        {(u32 )21, (u32 )403}, 
156        {(u32 )22, (u32 )28}, 
157        {(u32 )17, (u32 )393}, 
158        {(u32 )13, (u32 )392}, 
159        {(u32 )15, (u32 )412}, 
160        {(u32 )27, (u32 )359}, 
161        {(u32 )26, (u32 )407}, 
162        {(u32 )14, (u32 )128}, 
163        {(u32 )31, (u32 )207}, 
164        {(u32 )30, (u32 )164}, 
165        {(u32 )29, (u32 )167}, 
166        {(u32 )19, (u32 )113}, 
167        {(u32 )25, (u32 )212}};
168#line 57 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
169static struct rc_map_list real_audio_220_32_keys_map  =    {{(struct list_head *)0, (struct list_head *)0}, {real_audio_220_32_keys, (unsigned int )(sizeof(real_audio_220_32_keys) / sizeof(real_audio_220_32_keys[0]) + sizeof(struct __anonstruct_220 )),
170                                                     0U, 0U, (u64 )0, "rc-real-audio-220-32-keys",
171                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
172#line 66
173static int init_rc_map_real_audio_220_32_keys(void)  __attribute__((__section__(".init.text"),
174__no_instrument_function__)) ;
175#line 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
176static int init_rc_map_real_audio_220_32_keys(void) 
177{ int tmp ;
178
179  {
180  {
181#line 68
182  tmp = rc_map_register(& real_audio_220_32_keys_map);
183  }
184#line 68
185  return (tmp);
186}
187}
188#line 71
189static void exit_rc_map_real_audio_220_32_keys(void)  __attribute__((__section__(".exit.text"),
190__no_instrument_function__)) ;
191#line 71 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
192static void exit_rc_map_real_audio_220_32_keys(void) 
193{ 
194
195  {
196  {
197#line 73
198  rc_map_unregister(& real_audio_220_32_keys_map);
199  }
200#line 74
201  return;
202}
203}
204#line 76 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
205int init_module(void) 
206{ int tmp ;
207
208  {
209  {
210#line 76
211  tmp = init_rc_map_real_audio_220_32_keys();
212  }
213#line 76
214  return (tmp);
215}
216}
217#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
218void cleanup_module(void) 
219{ 
220
221  {
222  {
223#line 77
224  exit_rc_map_real_audio_220_32_keys();
225  }
226#line 77
227  return;
228}
229}
230#line 79 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
231static char const   __mod_license79[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
232__aligned__(1)))  = 
233#line 79
234  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
235        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
236        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
237#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
238static char const   __mod_author80[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
239__aligned__(1)))  = 
240#line 80
241  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
242        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
243        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
244        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
245        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
246        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
247        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
248        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
249        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
250        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
251        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
252        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
253        (char const   )'>',      (char const   )'\000'};
254#line 98
255void ldv_check_final_state(void) ;
256#line 104
257extern void ldv_initialize(void) ;
258#line 107
259extern int __VERIFIER_nondet_int(void) ;
260#line 110 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
261int LDV_IN_INTERRUPT  ;
262#line 113 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
263void main(void) 
264{ int tmp ;
265  int tmp___0 ;
266  int tmp___1 ;
267
268  {
269  {
270#line 125
271  LDV_IN_INTERRUPT = 1;
272#line 134
273  ldv_initialize();
274#line 140
275  tmp = init_rc_map_real_audio_220_32_keys();
276  }
277#line 140
278  if (tmp) {
279#line 141
280    goto ldv_final;
281  } else {
282
283  }
284  {
285#line 143
286  while (1) {
287    while_continue: /* CIL Label */ ;
288    {
289#line 143
290    tmp___1 = __VERIFIER_nondet_int();
291    }
292#line 143
293    if (tmp___1) {
294
295    } else {
296#line 143
297      goto while_break;
298    }
299    {
300#line 146
301    tmp___0 = __VERIFIER_nondet_int();
302    }
303    {
304#line 148
305    goto switch_default;
306#line 146
307    if (0) {
308      switch_default: /* CIL Label */ 
309#line 148
310      goto switch_break;
311    } else {
312      switch_break: /* CIL Label */ ;
313    }
314    }
315  }
316  while_break: /* CIL Label */ ;
317  }
318  {
319#line 160
320  exit_rc_map_real_audio_220_32_keys();
321  }
322  ldv_final: 
323  {
324#line 163
325  ldv_check_final_state();
326  }
327#line 166
328  return;
329}
330}
331#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
332void ldv_blast_assert(void) 
333{ 
334
335  {
336  ERROR: 
337#line 6
338  goto ERROR;
339}
340}
341#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
342extern int __VERIFIER_nondet_int(void) ;
343#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
344int ldv_mutex  =    1;
345#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
346int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
347{ int nondetermined ;
348
349  {
350#line 29
351  if (ldv_mutex == 1) {
352
353  } else {
354    {
355#line 29
356    ldv_blast_assert();
357    }
358  }
359  {
360#line 32
361  nondetermined = __VERIFIER_nondet_int();
362  }
363#line 35
364  if (nondetermined) {
365#line 38
366    ldv_mutex = 2;
367#line 40
368    return (0);
369  } else {
370#line 45
371    return (-4);
372  }
373}
374}
375#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
376int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
377{ int nondetermined ;
378
379  {
380#line 57
381  if (ldv_mutex == 1) {
382
383  } else {
384    {
385#line 57
386    ldv_blast_assert();
387    }
388  }
389  {
390#line 60
391  nondetermined = __VERIFIER_nondet_int();
392  }
393#line 63
394  if (nondetermined) {
395#line 66
396    ldv_mutex = 2;
397#line 68
398    return (0);
399  } else {
400#line 73
401    return (-4);
402  }
403}
404}
405#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
406int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
407{ int atomic_value_after_dec ;
408
409  {
410#line 83
411  if (ldv_mutex == 1) {
412
413  } else {
414    {
415#line 83
416    ldv_blast_assert();
417    }
418  }
419  {
420#line 86
421  atomic_value_after_dec = __VERIFIER_nondet_int();
422  }
423#line 89
424  if (atomic_value_after_dec == 0) {
425#line 92
426    ldv_mutex = 2;
427#line 94
428    return (1);
429  } else {
430
431  }
432#line 98
433  return (0);
434}
435}
436#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
437void mutex_lock(struct mutex *lock ) 
438{ 
439
440  {
441#line 108
442  if (ldv_mutex == 1) {
443
444  } else {
445    {
446#line 108
447    ldv_blast_assert();
448    }
449  }
450#line 110
451  ldv_mutex = 2;
452#line 111
453  return;
454}
455}
456#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
457int mutex_trylock(struct mutex *lock ) 
458{ int nondetermined ;
459
460  {
461#line 121
462  if (ldv_mutex == 1) {
463
464  } else {
465    {
466#line 121
467    ldv_blast_assert();
468    }
469  }
470  {
471#line 124
472  nondetermined = __VERIFIER_nondet_int();
473  }
474#line 127
475  if (nondetermined) {
476#line 130
477    ldv_mutex = 2;
478#line 132
479    return (1);
480  } else {
481#line 137
482    return (0);
483  }
484}
485}
486#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
487void mutex_unlock(struct mutex *lock ) 
488{ 
489
490  {
491#line 147
492  if (ldv_mutex == 2) {
493
494  } else {
495    {
496#line 147
497    ldv_blast_assert();
498    }
499  }
500#line 149
501  ldv_mutex = 1;
502#line 150
503  return;
504}
505}
506#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
507void ldv_check_final_state(void) 
508{ 
509
510  {
511#line 156
512  if (ldv_mutex == 1) {
513
514  } else {
515    {
516#line 156
517    ldv_blast_assert();
518    }
519  }
520#line 157
521  return;
522}
523}
524#line 175 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12935/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-real-audio-220-32-keys.c.common.c"
525long s__builtin_expect(long val , long res ) 
526{ 
527
528  {
529#line 176
530  return (val);
531}
532}