Showing error 432

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-msi-digivox-ii.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 323
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 46 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.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/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
138static struct rc_map_table msi_digivox_ii[18]  = 
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/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
140  {      {(u32 )2, (u32 )3}, 
141        {(u32 )3, (u32 )103}, 
142        {(u32 )4, (u32 )4}, 
143        {(u32 )5, (u32 )403}, 
144        {(u32 )8, (u32 )6}, 
145        {(u32 )9, (u32 )11}, 
146        {(u32 )11, (u32 )9}, 
147        {(u32 )13, (u32 )108}, 
148        {(u32 )16, (u32 )10}, 
149        {(u32 )17, (u32 )8}, 
150        {(u32 )20, (u32 )115}, 
151        {(u32 )21, (u32 )402}, 
152        {(u32 )22, (u32 )352}, 
153        {(u32 )23, (u32 )356}, 
154        {(u32 )26, (u32 )2}, 
155        {(u32 )28, (u32 )5}, 
156        {(u32 )29, (u32 )7}, 
157        {(u32 )31, (u32 )114}};
158#line 46 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
159static struct rc_map_list msi_digivox_ii_map  =    {{(struct list_head *)0, (struct list_head *)0}, {msi_digivox_ii, (unsigned int )(sizeof(msi_digivox_ii) / sizeof(msi_digivox_ii[0]) + sizeof(struct __anonstruct_220 )),
160                                                     0U, 0U, (u64 )(1 << 1), "rc-msi-digivox-ii",
161                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
162#line 55
163static int init_rc_map_msi_digivox_ii(void)  __attribute__((__section__(".init.text"),
164__no_instrument_function__)) ;
165#line 55 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
166static int init_rc_map_msi_digivox_ii(void) 
167{ int tmp ;
168
169  {
170  {
171#line 57
172  tmp = rc_map_register(& msi_digivox_ii_map);
173  }
174#line 57
175  return (tmp);
176}
177}
178#line 60
179static void exit_rc_map_msi_digivox_ii(void)  __attribute__((__section__(".exit.text"),
180__no_instrument_function__)) ;
181#line 60 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
182static void exit_rc_map_msi_digivox_ii(void) 
183{ 
184
185  {
186  {
187#line 62
188  rc_map_unregister(& msi_digivox_ii_map);
189  }
190#line 63
191  return;
192}
193}
194#line 65 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
195int init_module(void) 
196{ int tmp ;
197
198  {
199  {
200#line 65
201  tmp = init_rc_map_msi_digivox_ii();
202  }
203#line 65
204  return (tmp);
205}
206}
207#line 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
208void cleanup_module(void) 
209{ 
210
211  {
212  {
213#line 66
214  exit_rc_map_msi_digivox_ii();
215  }
216#line 66
217  return;
218}
219}
220#line 68 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
221static char const   __mod_license68[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
222__aligned__(1)))  = 
223#line 68
224  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
225        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
226        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
227#line 69 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
228static char const   __mod_author69[38]  __attribute__((__used__, __unused__, __section__(".modinfo"),
229__aligned__(1)))  = 
230#line 69
231  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
232        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
233        (char const   )'n',      (char const   )'t',      (char const   )'t',      (char const   )'i', 
234        (char const   )' ',      (char const   )'P',      (char const   )'a',      (char const   )'l', 
235        (char const   )'o',      (char const   )'s',      (char const   )'a',      (char const   )'a', 
236        (char const   )'r',      (char const   )'i',      (char const   )' ',      (char const   )'<', 
237        (char const   )'c',      (char const   )'r',      (char const   )'o',      (char const   )'p', 
238        (char const   )'e',      (char const   )'@',      (char const   )'i',      (char const   )'k', 
239        (char const   )'i',      (char const   )'.',      (char const   )'f',      (char const   )'i', 
240        (char const   )'>',      (char const   )'\000'};
241#line 87
242void ldv_check_final_state(void) ;
243#line 93
244extern void ldv_initialize(void) ;
245#line 96
246extern int __VERIFIER_nondet_int(void) ;
247#line 99 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
248int LDV_IN_INTERRUPT  ;
249#line 102 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
250void main(void) 
251{ int tmp ;
252  int tmp___0 ;
253  int tmp___1 ;
254
255  {
256  {
257#line 114
258  LDV_IN_INTERRUPT = 1;
259#line 123
260  ldv_initialize();
261#line 129
262  tmp = init_rc_map_msi_digivox_ii();
263  }
264#line 129
265  if (tmp) {
266#line 130
267    goto ldv_final;
268  } else {
269
270  }
271  {
272#line 132
273  while (1) {
274    while_continue: /* CIL Label */ ;
275    {
276#line 132
277    tmp___1 = __VERIFIER_nondet_int();
278    }
279#line 132
280    if (tmp___1) {
281
282    } else {
283#line 132
284      goto while_break;
285    }
286    {
287#line 135
288    tmp___0 = __VERIFIER_nondet_int();
289    }
290    {
291#line 137
292    goto switch_default;
293#line 135
294    if (0) {
295      switch_default: /* CIL Label */ 
296#line 137
297      goto switch_break;
298    } else {
299      switch_break: /* CIL Label */ ;
300    }
301    }
302  }
303  while_break: /* CIL Label */ ;
304  }
305  {
306#line 149
307  exit_rc_map_msi_digivox_ii();
308  }
309  ldv_final: 
310  {
311#line 152
312  ldv_check_final_state();
313  }
314#line 155
315  return;
316}
317}
318#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
319void ldv_blast_assert(void) 
320{ 
321
322  {
323  ERROR: 
324#line 6
325  goto ERROR;
326}
327}
328#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
329extern int __VERIFIER_nondet_int(void) ;
330#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
331int ldv_mutex  =    1;
332#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
333int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
334{ int nondetermined ;
335
336  {
337#line 29
338  if (ldv_mutex == 1) {
339
340  } else {
341    {
342#line 29
343    ldv_blast_assert();
344    }
345  }
346  {
347#line 32
348  nondetermined = __VERIFIER_nondet_int();
349  }
350#line 35
351  if (nondetermined) {
352#line 38
353    ldv_mutex = 2;
354#line 40
355    return (0);
356  } else {
357#line 45
358    return (-4);
359  }
360}
361}
362#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
363int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
364{ int nondetermined ;
365
366  {
367#line 57
368  if (ldv_mutex == 1) {
369
370  } else {
371    {
372#line 57
373    ldv_blast_assert();
374    }
375  }
376  {
377#line 60
378  nondetermined = __VERIFIER_nondet_int();
379  }
380#line 63
381  if (nondetermined) {
382#line 66
383    ldv_mutex = 2;
384#line 68
385    return (0);
386  } else {
387#line 73
388    return (-4);
389  }
390}
391}
392#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
393int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
394{ int atomic_value_after_dec ;
395
396  {
397#line 83
398  if (ldv_mutex == 1) {
399
400  } else {
401    {
402#line 83
403    ldv_blast_assert();
404    }
405  }
406  {
407#line 86
408  atomic_value_after_dec = __VERIFIER_nondet_int();
409  }
410#line 89
411  if (atomic_value_after_dec == 0) {
412#line 92
413    ldv_mutex = 2;
414#line 94
415    return (1);
416  } else {
417
418  }
419#line 98
420  return (0);
421}
422}
423#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
424void mutex_lock(struct mutex *lock ) 
425{ 
426
427  {
428#line 108
429  if (ldv_mutex == 1) {
430
431  } else {
432    {
433#line 108
434    ldv_blast_assert();
435    }
436  }
437#line 110
438  ldv_mutex = 2;
439#line 111
440  return;
441}
442}
443#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
444int mutex_trylock(struct mutex *lock ) 
445{ int nondetermined ;
446
447  {
448#line 121
449  if (ldv_mutex == 1) {
450
451  } else {
452    {
453#line 121
454    ldv_blast_assert();
455    }
456  }
457  {
458#line 124
459  nondetermined = __VERIFIER_nondet_int();
460  }
461#line 127
462  if (nondetermined) {
463#line 130
464    ldv_mutex = 2;
465#line 132
466    return (1);
467  } else {
468#line 137
469    return (0);
470  }
471}
472}
473#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
474void mutex_unlock(struct mutex *lock ) 
475{ 
476
477  {
478#line 147
479  if (ldv_mutex == 2) {
480
481  } else {
482    {
483#line 147
484    ldv_blast_assert();
485    }
486  }
487#line 149
488  ldv_mutex = 1;
489#line 150
490  return;
491}
492}
493#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
494void ldv_check_final_state(void) 
495{ 
496
497  {
498#line 156
499  if (ldv_mutex == 1) {
500
501  } else {
502    {
503#line 156
504    ldv_blast_assert();
505    }
506  }
507#line 157
508  return;
509}
510}
511#line 164 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12914/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-ii.c.common.c"
512long s__builtin_expect(long val , long res ) 
513{ 
514
515  {
516#line 165
517  return (val);
518}
519}