Showing error 431

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-iii.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 337
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/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.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 29 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
138static struct rc_map_table msi_digivox_iii[32]  = 
139#line 29 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
140  {      {(u32 )6411777, (u32 )393}, 
141        {(u32 )6411778, (u32 )4}, 
142        {(u32 )6411779, (u32 )116}, 
143        {(u32 )6411780, (u32 )2}, 
144        {(u32 )6411781, (u32 )6}, 
145        {(u32 )6411782, (u32 )7}, 
146        {(u32 )6411783, (u32 )403}, 
147        {(u32 )6411784, (u32 )3}, 
148        {(u32 )6411785, (u32 )402}, 
149        {(u32 )6411786, (u32 )10}, 
150        {(u32 )6411787, (u32 )372}, 
151        {(u32 )6411788, (u32 )8}, 
152        {(u32 )6411789, (u32 )9}, 
153        {(u32 )6411790, (u32 )115}, 
154        {(u32 )6411791, (u32 )5}, 
155        {(u32 )6411792, (u32 )1}, 
156        {(u32 )6411793, (u32 )11}, 
157        {(u32 )6411794, (u32 )352}, 
158        {(u32 )6411795, (u32 )114}, 
159        {(u32 )6411796, (u32 )167}, 
160        {(u32 )6411797, (u32 )128}, 
161        {(u32 )6411798, (u32 )207}, 
162        {(u32 )6411799, (u32 )113}, 
163        {(u32 )6411800, (u32 )103}, 
164        {(u32 )6411801, (u32 )108}, 
165        {(u32 )6411802, (u32 )105}, 
166        {(u32 )6411803, (u32 )106}, 
167        {(u32 )6411804, (u32 )398}, 
168        {(u32 )6411805, (u32 )399}, 
169        {(u32 )6411806, (u32 )400}, 
170        {(u32 )6411807, (u32 )401}, 
171        {(u32 )6411843, (u32 )356}};
172#line 64 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
173static struct rc_map_list msi_digivox_iii_map  =    {{(struct list_head *)0, (struct list_head *)0}, {msi_digivox_iii, (unsigned int )(sizeof(msi_digivox_iii) / sizeof(msi_digivox_iii[0]) + sizeof(struct __anonstruct_220 )),
174                                                     0U, 0U, (u64 )(1 << 1), "rc-msi-digivox-iii",
175                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
176#line 73
177static int init_rc_map_msi_digivox_iii(void)  __attribute__((__section__(".init.text"),
178__no_instrument_function__)) ;
179#line 73 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
180static int init_rc_map_msi_digivox_iii(void) 
181{ int tmp ;
182
183  {
184  {
185#line 75
186  tmp = rc_map_register(& msi_digivox_iii_map);
187  }
188#line 75
189  return (tmp);
190}
191}
192#line 78
193static void exit_rc_map_msi_digivox_iii(void)  __attribute__((__section__(".exit.text"),
194__no_instrument_function__)) ;
195#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
196static void exit_rc_map_msi_digivox_iii(void) 
197{ 
198
199  {
200  {
201#line 80
202  rc_map_unregister(& msi_digivox_iii_map);
203  }
204#line 81
205  return;
206}
207}
208#line 83 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
209int init_module(void) 
210{ int tmp ;
211
212  {
213  {
214#line 83
215  tmp = init_rc_map_msi_digivox_iii();
216  }
217#line 83
218  return (tmp);
219}
220}
221#line 84 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
222void cleanup_module(void) 
223{ 
224
225  {
226  {
227#line 84
228  exit_rc_map_msi_digivox_iii();
229  }
230#line 84
231  return;
232}
233}
234#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
235static char const   __mod_license86[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
236__aligned__(1)))  = 
237#line 86
238  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
239        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
240        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
241#line 87 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
242static char const   __mod_author87[38]  __attribute__((__used__, __unused__, __section__(".modinfo"),
243__aligned__(1)))  = 
244#line 87
245  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
246        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
247        (char const   )'n',      (char const   )'t',      (char const   )'t',      (char const   )'i', 
248        (char const   )' ',      (char const   )'P',      (char const   )'a',      (char const   )'l', 
249        (char const   )'o',      (char const   )'s',      (char const   )'a',      (char const   )'a', 
250        (char const   )'r',      (char const   )'i',      (char const   )' ',      (char const   )'<', 
251        (char const   )'c',      (char const   )'r',      (char const   )'o',      (char const   )'p', 
252        (char const   )'e',      (char const   )'@',      (char const   )'i',      (char const   )'k', 
253        (char const   )'i',      (char const   )'.',      (char const   )'f',      (char const   )'i', 
254        (char const   )'>',      (char const   )'\000'};
255#line 105
256void ldv_check_final_state(void) ;
257#line 111
258extern void ldv_initialize(void) ;
259#line 114
260extern int __VERIFIER_nondet_int(void) ;
261#line 117 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
262int LDV_IN_INTERRUPT  ;
263#line 120 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
264void main(void) 
265{ int tmp ;
266  int tmp___0 ;
267  int tmp___1 ;
268
269  {
270  {
271#line 132
272  LDV_IN_INTERRUPT = 1;
273#line 141
274  ldv_initialize();
275#line 147
276  tmp = init_rc_map_msi_digivox_iii();
277  }
278#line 147
279  if (tmp) {
280#line 148
281    goto ldv_final;
282  } else {
283
284  }
285  {
286#line 150
287  while (1) {
288    while_continue: /* CIL Label */ ;
289    {
290#line 150
291    tmp___1 = __VERIFIER_nondet_int();
292    }
293#line 150
294    if (tmp___1) {
295
296    } else {
297#line 150
298      goto while_break;
299    }
300    {
301#line 153
302    tmp___0 = __VERIFIER_nondet_int();
303    }
304    {
305#line 155
306    goto switch_default;
307#line 153
308    if (0) {
309      switch_default: /* CIL Label */ 
310#line 155
311      goto switch_break;
312    } else {
313      switch_break: /* CIL Label */ ;
314    }
315    }
316  }
317  while_break: /* CIL Label */ ;
318  }
319  {
320#line 167
321  exit_rc_map_msi_digivox_iii();
322  }
323  ldv_final: 
324  {
325#line 170
326  ldv_check_final_state();
327  }
328#line 173
329  return;
330}
331}
332#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
333void ldv_blast_assert(void) 
334{ 
335
336  {
337  ERROR: 
338#line 6
339  goto ERROR;
340}
341}
342#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
343extern int __VERIFIER_nondet_int(void) ;
344#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
345int ldv_mutex  =    1;
346#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
347int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
348{ int nondetermined ;
349
350  {
351#line 29
352  if (ldv_mutex == 1) {
353
354  } else {
355    {
356#line 29
357    ldv_blast_assert();
358    }
359  }
360  {
361#line 32
362  nondetermined = __VERIFIER_nondet_int();
363  }
364#line 35
365  if (nondetermined) {
366#line 38
367    ldv_mutex = 2;
368#line 40
369    return (0);
370  } else {
371#line 45
372    return (-4);
373  }
374}
375}
376#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
377int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
378{ int nondetermined ;
379
380  {
381#line 57
382  if (ldv_mutex == 1) {
383
384  } else {
385    {
386#line 57
387    ldv_blast_assert();
388    }
389  }
390  {
391#line 60
392  nondetermined = __VERIFIER_nondet_int();
393  }
394#line 63
395  if (nondetermined) {
396#line 66
397    ldv_mutex = 2;
398#line 68
399    return (0);
400  } else {
401#line 73
402    return (-4);
403  }
404}
405}
406#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
407int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
408{ int atomic_value_after_dec ;
409
410  {
411#line 83
412  if (ldv_mutex == 1) {
413
414  } else {
415    {
416#line 83
417    ldv_blast_assert();
418    }
419  }
420  {
421#line 86
422  atomic_value_after_dec = __VERIFIER_nondet_int();
423  }
424#line 89
425  if (atomic_value_after_dec == 0) {
426#line 92
427    ldv_mutex = 2;
428#line 94
429    return (1);
430  } else {
431
432  }
433#line 98
434  return (0);
435}
436}
437#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
438void mutex_lock(struct mutex *lock ) 
439{ 
440
441  {
442#line 108
443  if (ldv_mutex == 1) {
444
445  } else {
446    {
447#line 108
448    ldv_blast_assert();
449    }
450  }
451#line 110
452  ldv_mutex = 2;
453#line 111
454  return;
455}
456}
457#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
458int mutex_trylock(struct mutex *lock ) 
459{ int nondetermined ;
460
461  {
462#line 121
463  if (ldv_mutex == 1) {
464
465  } else {
466    {
467#line 121
468    ldv_blast_assert();
469    }
470  }
471  {
472#line 124
473  nondetermined = __VERIFIER_nondet_int();
474  }
475#line 127
476  if (nondetermined) {
477#line 130
478    ldv_mutex = 2;
479#line 132
480    return (1);
481  } else {
482#line 137
483    return (0);
484  }
485}
486}
487#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
488void mutex_unlock(struct mutex *lock ) 
489{ 
490
491  {
492#line 147
493  if (ldv_mutex == 2) {
494
495  } else {
496    {
497#line 147
498    ldv_blast_assert();
499    }
500  }
501#line 149
502  ldv_mutex = 1;
503#line 150
504  return;
505}
506}
507#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
508void ldv_check_final_state(void) 
509{ 
510
511  {
512#line 156
513  if (ldv_mutex == 1) {
514
515  } else {
516    {
517#line 156
518    ldv_blast_assert();
519    }
520  }
521#line 157
522  return;
523}
524}
525#line 182 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12915/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-msi-digivox-iii.c.common.c"
526long s__builtin_expect(long val , long res ) 
527{ 
528
529  {
530#line 183
531  return (val);
532}
533}