Showing error 390

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-avertv-303.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 344
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/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.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/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
138static struct rc_map_table avertv_303[36]  = 
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/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
140  {      {(u32 )42, (u32 )2}, 
141        {(u32 )50, (u32 )3}, 
142        {(u32 )58, (u32 )4}, 
143        {(u32 )74, (u32 )5}, 
144        {(u32 )82, (u32 )6}, 
145        {(u32 )90, (u32 )7}, 
146        {(u32 )106, (u32 )8}, 
147        {(u32 )114, (u32 )9}, 
148        {(u32 )122, (u32 )10}, 
149        {(u32 )14, (u32 )11}, 
150        {(u32 )2, (u32 )116}, 
151        {(u32 )34, (u32 )393}, 
152        {(u32 )66, (u32 )392}, 
153        {(u32 )98, (u32 )372}, 
154        {(u32 )10, (u32 )377}, 
155        {(u32 )18, (u32 )383}, 
156        {(u32 )26, (u32 )388}, 
157        {(u32 )22, (u32 )370}, 
158        {(u32 )30, (u32 )168}, 
159        {(u32 )6, (u32 )210}, 
160        {(u32 )46, (u32 )217}, 
161        {(u32 )54, (u32 )142}, 
162        {(u32 )62, (u32 )410}, 
163        {(u32 )38, (u32 )113}, 
164        {(u32 )78, (u32 )167}, 
165        {(u32 )86, (u32 )119}, 
166        {(u32 )94, (u32 )128}, 
167        {(u32 )70, (u32 )207}, 
168        {(u32 )110, (u32 )398}, 
169        {(u32 )11, (u32 )399}, 
170        {(u32 )102, (u32 )400}, 
171        {(u32 )3, (u32 )401}, 
172        {(u32 )118, (u32 )105}, 
173        {(u32 )126, (u32 )106}, 
174        {(u32 )19, (u32 )108}, 
175        {(u32 )27, (u32 )103}};
176#line 64 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
177static struct rc_map_list avertv_303_map  =    {{(struct list_head *)0, (struct list_head *)0}, {avertv_303, (unsigned int )(sizeof(avertv_303) / sizeof(avertv_303[0]) + sizeof(struct __anonstruct_220 )),
178                                                     0U, 0U, (u64 )0, "rc-avertv-303",
179                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
180#line 73
181static int init_rc_map_avertv_303(void)  __attribute__((__section__(".init.text"),
182__no_instrument_function__)) ;
183#line 73 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
184static int init_rc_map_avertv_303(void) 
185{ int tmp ;
186
187  {
188  {
189#line 75
190  tmp = rc_map_register(& avertv_303_map);
191  }
192#line 75
193  return (tmp);
194}
195}
196#line 78
197static void exit_rc_map_avertv_303(void)  __attribute__((__section__(".exit.text"),
198__no_instrument_function__)) ;
199#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
200static void exit_rc_map_avertv_303(void) 
201{ 
202
203  {
204  {
205#line 80
206  rc_map_unregister(& avertv_303_map);
207  }
208#line 81
209  return;
210}
211}
212#line 83 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
213int init_module(void) 
214{ int tmp ;
215
216  {
217  {
218#line 83
219  tmp = init_rc_map_avertv_303();
220  }
221#line 83
222  return (tmp);
223}
224}
225#line 84 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
226void cleanup_module(void) 
227{ 
228
229  {
230  {
231#line 84
232  exit_rc_map_avertv_303();
233  }
234#line 84
235  return;
236}
237}
238#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
239static char const   __mod_license86[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
240__aligned__(1)))  = 
241#line 86
242  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
243        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
244        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
245#line 87 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
246static char const   __mod_author87[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
247__aligned__(1)))  = 
248#line 87
249  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
250        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
251        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
252        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
253        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
254        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
255        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
256        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
257        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
258        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
259        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
260        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
261        (char const   )'>',      (char const   )'\000'};
262#line 105
263void ldv_check_final_state(void) ;
264#line 111
265extern void ldv_initialize(void) ;
266#line 114
267extern int __VERIFIER_nondet_int(void) ;
268#line 117 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
269int LDV_IN_INTERRUPT  ;
270#line 120 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
271void main(void) 
272{ int tmp ;
273  int tmp___0 ;
274  int tmp___1 ;
275
276  {
277  {
278#line 132
279  LDV_IN_INTERRUPT = 1;
280#line 141
281  ldv_initialize();
282#line 147
283  tmp = init_rc_map_avertv_303();
284  }
285#line 147
286  if (tmp) {
287#line 148
288    goto ldv_final;
289  } else {
290
291  }
292  {
293#line 150
294  while (1) {
295    while_continue: /* CIL Label */ ;
296    {
297#line 150
298    tmp___1 = __VERIFIER_nondet_int();
299    }
300#line 150
301    if (tmp___1) {
302
303    } else {
304#line 150
305      goto while_break;
306    }
307    {
308#line 153
309    tmp___0 = __VERIFIER_nondet_int();
310    }
311    {
312#line 155
313    goto switch_default;
314#line 153
315    if (0) {
316      switch_default: /* CIL Label */ 
317#line 155
318      goto switch_break;
319    } else {
320      switch_break: /* CIL Label */ ;
321    }
322    }
323  }
324  while_break: /* CIL Label */ ;
325  }
326  {
327#line 167
328  exit_rc_map_avertv_303();
329  }
330  ldv_final: 
331  {
332#line 170
333  ldv_check_final_state();
334  }
335#line 173
336  return;
337}
338}
339#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
340void ldv_blast_assert(void) 
341{ 
342
343  {
344  ERROR: 
345#line 6
346  goto ERROR;
347}
348}
349#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
350extern int __VERIFIER_nondet_int(void) ;
351#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
352int ldv_mutex  =    1;
353#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
354int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
355{ int nondetermined ;
356
357  {
358#line 29
359  if (ldv_mutex == 1) {
360
361  } else {
362    {
363#line 29
364    ldv_blast_assert();
365    }
366  }
367  {
368#line 32
369  nondetermined = __VERIFIER_nondet_int();
370  }
371#line 35
372  if (nondetermined) {
373#line 38
374    ldv_mutex = 2;
375#line 40
376    return (0);
377  } else {
378#line 45
379    return (-4);
380  }
381}
382}
383#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
384int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
385{ int nondetermined ;
386
387  {
388#line 57
389  if (ldv_mutex == 1) {
390
391  } else {
392    {
393#line 57
394    ldv_blast_assert();
395    }
396  }
397  {
398#line 60
399  nondetermined = __VERIFIER_nondet_int();
400  }
401#line 63
402  if (nondetermined) {
403#line 66
404    ldv_mutex = 2;
405#line 68
406    return (0);
407  } else {
408#line 73
409    return (-4);
410  }
411}
412}
413#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
414int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
415{ int atomic_value_after_dec ;
416
417  {
418#line 83
419  if (ldv_mutex == 1) {
420
421  } else {
422    {
423#line 83
424    ldv_blast_assert();
425    }
426  }
427  {
428#line 86
429  atomic_value_after_dec = __VERIFIER_nondet_int();
430  }
431#line 89
432  if (atomic_value_after_dec == 0) {
433#line 92
434    ldv_mutex = 2;
435#line 94
436    return (1);
437  } else {
438
439  }
440#line 98
441  return (0);
442}
443}
444#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
445void mutex_lock(struct mutex *lock ) 
446{ 
447
448  {
449#line 108
450  if (ldv_mutex == 1) {
451
452  } else {
453    {
454#line 108
455    ldv_blast_assert();
456    }
457  }
458#line 110
459  ldv_mutex = 2;
460#line 111
461  return;
462}
463}
464#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
465int mutex_trylock(struct mutex *lock ) 
466{ int nondetermined ;
467
468  {
469#line 121
470  if (ldv_mutex == 1) {
471
472  } else {
473    {
474#line 121
475    ldv_blast_assert();
476    }
477  }
478  {
479#line 124
480  nondetermined = __VERIFIER_nondet_int();
481  }
482#line 127
483  if (nondetermined) {
484#line 130
485    ldv_mutex = 2;
486#line 132
487    return (1);
488  } else {
489#line 137
490    return (0);
491  }
492}
493}
494#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
495void mutex_unlock(struct mutex *lock ) 
496{ 
497
498  {
499#line 147
500  if (ldv_mutex == 2) {
501
502  } else {
503    {
504#line 147
505    ldv_blast_assert();
506    }
507  }
508#line 149
509  ldv_mutex = 1;
510#line 150
511  return;
512}
513}
514#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
515void ldv_check_final_state(void) 
516{ 
517
518  {
519#line 156
520  if (ldv_mutex == 1) {
521
522  } else {
523    {
524#line 156
525    ldv_blast_assert();
526    }
527  }
528#line 157
529  return;
530}
531}
532#line 182 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12873/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avertv-303.c.common.c"
533long s__builtin_expect(long val , long res ) 
534{ 
535
536  {
537#line 183
538  return (val);
539}
540}