Showing error 441

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-pinnacle-grey.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 349
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 68 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.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 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
138static struct rc_map_table pinnacle_grey[41]  = 
139#line 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
140  {      {(u32 )58, (u32 )11}, 
141        {(u32 )49, (u32 )2}, 
142        {(u32 )50, (u32 )3}, 
143        {(u32 )51, (u32 )4}, 
144        {(u32 )52, (u32 )5}, 
145        {(u32 )53, (u32 )6}, 
146        {(u32 )54, (u32 )7}, 
147        {(u32 )55, (u32 )8}, 
148        {(u32 )56, (u32 )9}, 
149        {(u32 )57, (u32 )10}, 
150        {(u32 )47, (u32 )116}, 
151        {(u32 )46, (u32 )25}, 
152        {(u32 )31, (u32 )38}, 
153        {(u32 )43, (u32 )23}, 
154        {(u32 )45, (u32 )375}, 
155        {(u32 )30, (u32 )372}, 
156        {(u32 )27, (u32 )115}, 
157        {(u32 )15, (u32 )114}, 
158        {(u32 )23, (u32 )402}, 
159        {(u32 )28, (u32 )403}, 
160        {(u32 )37, (u32 )358}, 
161        {(u32 )60, (u32 )113}, 
162        {(u32 )61, (u32 )105}, 
163        {(u32 )59, (u32 )106}, 
164        {(u32 )63, (u32 )103}, 
165        {(u32 )62, (u32 )108}, 
166        {(u32 )26, (u32 )28}, 
167        {(u32 )29, (u32 )139}, 
168        {(u32 )25, (u32 )129}, 
169        {(u32 )22, (u32 )165}, 
170        {(u32 )19, (u32 )163}, 
171        {(u32 )21, (u32 )119}, 
172        {(u32 )14, (u32 )168}, 
173        {(u32 )13, (u32 )207}, 
174        {(u32 )11, (u32 )128}, 
175        {(u32 )7, (u32 )159}, 
176        {(u32 )39, (u32 )167}, 
177        {(u32 )38, (u32 )386}, 
178        {(u32 )41, (u32 )388}, 
179        {(u32 )42, (u32 )226}, 
180        {(u32 )24, (u32 )365}};
181#line 68 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
182static struct rc_map_list pinnacle_grey_map  =    {{(struct list_head *)0, (struct list_head *)0}, {pinnacle_grey, (unsigned int )(sizeof(pinnacle_grey) / sizeof(pinnacle_grey[0]) + sizeof(struct __anonstruct_220 )),
183                                                     0U, 0U, (u64 )0, "rc-pinnacle-grey",
184                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
185#line 77
186static int init_rc_map_pinnacle_grey(void)  __attribute__((__section__(".init.text"),
187__no_instrument_function__)) ;
188#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
189static int init_rc_map_pinnacle_grey(void) 
190{ int tmp ;
191
192  {
193  {
194#line 79
195  tmp = rc_map_register(& pinnacle_grey_map);
196  }
197#line 79
198  return (tmp);
199}
200}
201#line 82
202static void exit_rc_map_pinnacle_grey(void)  __attribute__((__section__(".exit.text"),
203__no_instrument_function__)) ;
204#line 82 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
205static void exit_rc_map_pinnacle_grey(void) 
206{ 
207
208  {
209  {
210#line 84
211  rc_map_unregister(& pinnacle_grey_map);
212  }
213#line 85
214  return;
215}
216}
217#line 87 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
218int init_module(void) 
219{ int tmp ;
220
221  {
222  {
223#line 87
224  tmp = init_rc_map_pinnacle_grey();
225  }
226#line 87
227  return (tmp);
228}
229}
230#line 88 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
231void cleanup_module(void) 
232{ 
233
234  {
235  {
236#line 88
237  exit_rc_map_pinnacle_grey();
238  }
239#line 88
240  return;
241}
242}
243#line 90 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
244static char const   __mod_license90[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
245__aligned__(1)))  = 
246#line 90
247  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
248        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
249        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
250#line 91 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
251static char const   __mod_author91[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
252__aligned__(1)))  = 
253#line 91
254  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
255        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
256        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
257        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
258        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
259        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
260        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
261        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
262        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
263        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
264        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
265        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
266        (char const   )'>',      (char const   )'\000'};
267#line 109
268void ldv_check_final_state(void) ;
269#line 115
270extern void ldv_initialize(void) ;
271#line 118
272extern int __VERIFIER_nondet_int(void) ;
273#line 121 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
274int LDV_IN_INTERRUPT  ;
275#line 124 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
276void main(void) 
277{ int tmp ;
278  int tmp___0 ;
279  int tmp___1 ;
280
281  {
282  {
283#line 136
284  LDV_IN_INTERRUPT = 1;
285#line 145
286  ldv_initialize();
287#line 151
288  tmp = init_rc_map_pinnacle_grey();
289  }
290#line 151
291  if (tmp) {
292#line 152
293    goto ldv_final;
294  } else {
295
296  }
297  {
298#line 154
299  while (1) {
300    while_continue: /* CIL Label */ ;
301    {
302#line 154
303    tmp___1 = __VERIFIER_nondet_int();
304    }
305#line 154
306    if (tmp___1) {
307
308    } else {
309#line 154
310      goto while_break;
311    }
312    {
313#line 157
314    tmp___0 = __VERIFIER_nondet_int();
315    }
316    {
317#line 159
318    goto switch_default;
319#line 157
320    if (0) {
321      switch_default: /* CIL Label */ 
322#line 159
323      goto switch_break;
324    } else {
325      switch_break: /* CIL Label */ ;
326    }
327    }
328  }
329  while_break: /* CIL Label */ ;
330  }
331  {
332#line 171
333  exit_rc_map_pinnacle_grey();
334  }
335  ldv_final: 
336  {
337#line 174
338  ldv_check_final_state();
339  }
340#line 177
341  return;
342}
343}
344#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
345void ldv_blast_assert(void) 
346{ 
347
348  {
349  ERROR: 
350#line 6
351  goto ERROR;
352}
353}
354#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
355extern int __VERIFIER_nondet_int(void) ;
356#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
357int ldv_mutex  =    1;
358#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
359int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
360{ int nondetermined ;
361
362  {
363#line 29
364  if (ldv_mutex == 1) {
365
366  } else {
367    {
368#line 29
369    ldv_blast_assert();
370    }
371  }
372  {
373#line 32
374  nondetermined = __VERIFIER_nondet_int();
375  }
376#line 35
377  if (nondetermined) {
378#line 38
379    ldv_mutex = 2;
380#line 40
381    return (0);
382  } else {
383#line 45
384    return (-4);
385  }
386}
387}
388#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
389int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
390{ int nondetermined ;
391
392  {
393#line 57
394  if (ldv_mutex == 1) {
395
396  } else {
397    {
398#line 57
399    ldv_blast_assert();
400    }
401  }
402  {
403#line 60
404  nondetermined = __VERIFIER_nondet_int();
405  }
406#line 63
407  if (nondetermined) {
408#line 66
409    ldv_mutex = 2;
410#line 68
411    return (0);
412  } else {
413#line 73
414    return (-4);
415  }
416}
417}
418#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
419int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
420{ int atomic_value_after_dec ;
421
422  {
423#line 83
424  if (ldv_mutex == 1) {
425
426  } else {
427    {
428#line 83
429    ldv_blast_assert();
430    }
431  }
432  {
433#line 86
434  atomic_value_after_dec = __VERIFIER_nondet_int();
435  }
436#line 89
437  if (atomic_value_after_dec == 0) {
438#line 92
439    ldv_mutex = 2;
440#line 94
441    return (1);
442  } else {
443
444  }
445#line 98
446  return (0);
447}
448}
449#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
450void mutex_lock(struct mutex *lock ) 
451{ 
452
453  {
454#line 108
455  if (ldv_mutex == 1) {
456
457  } else {
458    {
459#line 108
460    ldv_blast_assert();
461    }
462  }
463#line 110
464  ldv_mutex = 2;
465#line 111
466  return;
467}
468}
469#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
470int mutex_trylock(struct mutex *lock ) 
471{ int nondetermined ;
472
473  {
474#line 121
475  if (ldv_mutex == 1) {
476
477  } else {
478    {
479#line 121
480    ldv_blast_assert();
481    }
482  }
483  {
484#line 124
485  nondetermined = __VERIFIER_nondet_int();
486  }
487#line 127
488  if (nondetermined) {
489#line 130
490    ldv_mutex = 2;
491#line 132
492    return (1);
493  } else {
494#line 137
495    return (0);
496  }
497}
498}
499#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
500void mutex_unlock(struct mutex *lock ) 
501{ 
502
503  {
504#line 147
505  if (ldv_mutex == 2) {
506
507  } else {
508    {
509#line 147
510    ldv_blast_assert();
511    }
512  }
513#line 149
514  ldv_mutex = 1;
515#line 150
516  return;
517}
518}
519#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
520void ldv_check_final_state(void) 
521{ 
522
523  {
524#line 156
525  if (ldv_mutex == 1) {
526
527  } else {
528    {
529#line 156
530    ldv_blast_assert();
531    }
532  }
533#line 157
534  return;
535}
536}
537#line 186 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12924/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-pinnacle-grey.c.common.c"
538long s__builtin_expect(long val , long res ) 
539{ 
540
541  {
542#line 187
543  return (val);
544}
545}