Showing error 462

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-total-media-in-hand.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 340
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 64 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.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 26 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
138static struct rc_map_table total_media_in_hand[35]  = 
139#line 26 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
140  {      {(u32 )179456, (u32 )2}, 
141        {(u32 )179457, (u32 )3}, 
142        {(u32 )179458, (u32 )4}, 
143        {(u32 )179459, (u32 )5}, 
144        {(u32 )179460, (u32 )6}, 
145        {(u32 )179461, (u32 )7}, 
146        {(u32 )179462, (u32 )8}, 
147        {(u32 )179463, (u32 )9}, 
148        {(u32 )179464, (u32 )10}, 
149        {(u32 )179465, (u32 )11}, 
150        {(u32 )179466, (u32 )113}, 
151        {(u32 )179467, (u32 )154}, 
152        {(u32 )179468, (u32 )393}, 
153        {(u32 )179470, (u32 )114}, 
154        {(u32 )179471, (u32 )359}, 
155        {(u32 )179472, (u32 )106}, 
156        {(u32 )179473, (u32 )105}, 
157        {(u32 )179474, (u32 )103}, 
158        {(u32 )179475, (u32 )108}, 
159        {(u32 )179476, (u32 )356}, 
160        {(u32 )179477, (u32 )352}, 
161        {(u32 )179478, (u32 )128}, 
162        {(u32 )179479, (u32 )212}, 
163        {(u32 )179480, (u32 )402}, 
164        {(u32 )179481, (u32 )167}, 
165        {(u32 )179482, (u32 )403}, 
166        {(u32 )179484, (u32 )1}, 
167        {(u32 )179486, (u32 )207}, 
168        {(u32 )179487, (u32 )115}, 
169        {(u32 )179520, (u32 )119}, 
170        {(u32 )179521, (u32 )208}, 
171        {(u32 )179522, (u32 )168}, 
172        {(u32 )179523, (u32 )372}, 
173        {(u32 )179524, (u32 )410}, 
174        {(u32 )179525, (u32 )358}};
175#line 64 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
176static struct rc_map_list total_media_in_hand_map  =    {{(struct list_head *)0, (struct list_head *)0}, {total_media_in_hand, (unsigned int )(sizeof(total_media_in_hand) / sizeof(total_media_in_hand[0]) + sizeof(struct __anonstruct_220 )),
177                                                     0U, 0U, (u64 )(1 << 1), "rc-total-media-in-hand",
178                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
179#line 73
180static int init_rc_map_total_media_in_hand(void)  __attribute__((__section__(".init.text"),
181__no_instrument_function__)) ;
182#line 73 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
183static int init_rc_map_total_media_in_hand(void) 
184{ int tmp ;
185
186  {
187  {
188#line 75
189  tmp = rc_map_register(& total_media_in_hand_map);
190  }
191#line 75
192  return (tmp);
193}
194}
195#line 78
196static void exit_rc_map_total_media_in_hand(void)  __attribute__((__section__(".exit.text"),
197__no_instrument_function__)) ;
198#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
199static void exit_rc_map_total_media_in_hand(void) 
200{ 
201
202  {
203  {
204#line 80
205  rc_map_unregister(& total_media_in_hand_map);
206  }
207#line 81
208  return;
209}
210}
211#line 83 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
212int init_module(void) 
213{ int tmp ;
214
215  {
216  {
217#line 83
218  tmp = init_rc_map_total_media_in_hand();
219  }
220#line 83
221  return (tmp);
222}
223}
224#line 84 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
225void cleanup_module(void) 
226{ 
227
228  {
229  {
230#line 84
231  exit_rc_map_total_media_in_hand();
232  }
233#line 84
234  return;
235}
236}
237#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
238static char const   __mod_license86[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
239__aligned__(1)))  = 
240#line 86
241  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
242        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
243        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
244#line 87 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
245static char const   __mod_author87[38]  __attribute__((__used__, __unused__, __section__(".modinfo"),
246__aligned__(1)))  = 
247#line 87
248  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
249        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
250        (char const   )'n',      (char const   )'t',      (char const   )'t',      (char const   )'i', 
251        (char const   )' ',      (char const   )'P',      (char const   )'a',      (char const   )'l', 
252        (char const   )'o',      (char const   )'s',      (char const   )'a',      (char const   )'a', 
253        (char const   )'r',      (char const   )'i',      (char const   )' ',      (char const   )'<', 
254        (char const   )'c',      (char const   )'r',      (char const   )'o',      (char const   )'p', 
255        (char const   )'e',      (char const   )'@',      (char const   )'i',      (char const   )'k', 
256        (char const   )'i',      (char const   )'.',      (char const   )'f',      (char const   )'i', 
257        (char const   )'>',      (char const   )'\000'};
258#line 105
259void ldv_check_final_state(void) ;
260#line 111
261extern void ldv_initialize(void) ;
262#line 114
263extern int __VERIFIER_nondet_int(void) ;
264#line 117 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
265int LDV_IN_INTERRUPT  ;
266#line 120 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
267void main(void) 
268{ int tmp ;
269  int tmp___0 ;
270  int tmp___1 ;
271
272  {
273  {
274#line 132
275  LDV_IN_INTERRUPT = 1;
276#line 141
277  ldv_initialize();
278#line 147
279  tmp = init_rc_map_total_media_in_hand();
280  }
281#line 147
282  if (tmp) {
283#line 148
284    goto ldv_final;
285  } else {
286
287  }
288  {
289#line 150
290  while (1) {
291    while_continue: /* CIL Label */ ;
292    {
293#line 150
294    tmp___1 = __VERIFIER_nondet_int();
295    }
296#line 150
297    if (tmp___1) {
298
299    } else {
300#line 150
301      goto while_break;
302    }
303    {
304#line 153
305    tmp___0 = __VERIFIER_nondet_int();
306    }
307    {
308#line 155
309    goto switch_default;
310#line 153
311    if (0) {
312      switch_default: /* CIL Label */ 
313#line 155
314      goto switch_break;
315    } else {
316      switch_break: /* CIL Label */ ;
317    }
318    }
319  }
320  while_break: /* CIL Label */ ;
321  }
322  {
323#line 167
324  exit_rc_map_total_media_in_hand();
325  }
326  ldv_final: 
327  {
328#line 170
329  ldv_check_final_state();
330  }
331#line 173
332  return;
333}
334}
335#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
336void ldv_blast_assert(void) 
337{ 
338
339  {
340  ERROR: 
341#line 6
342  goto ERROR;
343}
344}
345#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
346extern int __VERIFIER_nondet_int(void) ;
347#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
348int ldv_mutex  =    1;
349#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
350int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
351{ int nondetermined ;
352
353  {
354#line 29
355  if (ldv_mutex == 1) {
356
357  } else {
358    {
359#line 29
360    ldv_blast_assert();
361    }
362  }
363  {
364#line 32
365  nondetermined = __VERIFIER_nondet_int();
366  }
367#line 35
368  if (nondetermined) {
369#line 38
370    ldv_mutex = 2;
371#line 40
372    return (0);
373  } else {
374#line 45
375    return (-4);
376  }
377}
378}
379#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
380int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
381{ int nondetermined ;
382
383  {
384#line 57
385  if (ldv_mutex == 1) {
386
387  } else {
388    {
389#line 57
390    ldv_blast_assert();
391    }
392  }
393  {
394#line 60
395  nondetermined = __VERIFIER_nondet_int();
396  }
397#line 63
398  if (nondetermined) {
399#line 66
400    ldv_mutex = 2;
401#line 68
402    return (0);
403  } else {
404#line 73
405    return (-4);
406  }
407}
408}
409#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
410int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
411{ int atomic_value_after_dec ;
412
413  {
414#line 83
415  if (ldv_mutex == 1) {
416
417  } else {
418    {
419#line 83
420    ldv_blast_assert();
421    }
422  }
423  {
424#line 86
425  atomic_value_after_dec = __VERIFIER_nondet_int();
426  }
427#line 89
428  if (atomic_value_after_dec == 0) {
429#line 92
430    ldv_mutex = 2;
431#line 94
432    return (1);
433  } else {
434
435  }
436#line 98
437  return (0);
438}
439}
440#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
441void mutex_lock(struct mutex *lock ) 
442{ 
443
444  {
445#line 108
446  if (ldv_mutex == 1) {
447
448  } else {
449    {
450#line 108
451    ldv_blast_assert();
452    }
453  }
454#line 110
455  ldv_mutex = 2;
456#line 111
457  return;
458}
459}
460#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
461int mutex_trylock(struct mutex *lock ) 
462{ int nondetermined ;
463
464  {
465#line 121
466  if (ldv_mutex == 1) {
467
468  } else {
469    {
470#line 121
471    ldv_blast_assert();
472    }
473  }
474  {
475#line 124
476  nondetermined = __VERIFIER_nondet_int();
477  }
478#line 127
479  if (nondetermined) {
480#line 130
481    ldv_mutex = 2;
482#line 132
483    return (1);
484  } else {
485#line 137
486    return (0);
487  }
488}
489}
490#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
491void mutex_unlock(struct mutex *lock ) 
492{ 
493
494  {
495#line 147
496  if (ldv_mutex == 2) {
497
498  } else {
499    {
500#line 147
501    ldv_blast_assert();
502    }
503  }
504#line 149
505  ldv_mutex = 1;
506#line 150
507  return;
508}
509}
510#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
511void ldv_check_final_state(void) 
512{ 
513
514  {
515#line 156
516  if (ldv_mutex == 1) {
517
518  } else {
519    {
520#line 156
521    ldv_blast_assert();
522    }
523  }
524#line 157
525  return;
526}
527}
528#line 182 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12945/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-total-media-in-hand.c.common.c"
529long s__builtin_expect(long val , long res ) 
530{ 
531
532  {
533#line 183
534  return (val);
535}
536}