Showing error 395

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-cinergy.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 342
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 57 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.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/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
138static struct rc_map_table cinergy[36]  = 
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/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
140  {      {(u32 )0, (u32 )11}, 
141        {(u32 )1, (u32 )2}, 
142        {(u32 )2, (u32 )3}, 
143        {(u32 )3, (u32 )4}, 
144        {(u32 )4, (u32 )5}, 
145        {(u32 )5, (u32 )6}, 
146        {(u32 )6, (u32 )7}, 
147        {(u32 )7, (u32 )8}, 
148        {(u32 )8, (u32 )9}, 
149        {(u32 )9, (u32 )10}, 
150        {(u32 )10, (u32 )116}, 
151        {(u32 )11, (u32 )226}, 
152        {(u32 )12, (u32 )372}, 
153        {(u32 )13, (u32 )402}, 
154        {(u32 )14, (u32 )403}, 
155        {(u32 )15, (u32 )115}, 
156        {(u32 )16, (u32 )114}, 
157        {(u32 )17, (u32 )386}, 
158        {(u32 )18, (u32 )69}, 
159        {(u32 )19, (u32 )392}, 
160        {(u32 )20, (u32 )113}, 
161        {(u32 )21, (u32 )103}, 
162        {(u32 )22, (u32 )108}, 
163        {(u32 )23, (u32 )105}, 
164        {(u32 )24, (u32 )106}, 
165        {(u32 )25, (u32 )272}, 
166        {(u32 )26, (u32 )273}, 
167        {(u32 )27, (u32 )150}, 
168        {(u32 )28, (u32 )168}, 
169        {(u32 )29, (u32 )159}, 
170        {(u32 )30, (u32 )167}, 
171        {(u32 )31, (u32 )207}, 
172        {(u32 )32, (u32 )165}, 
173        {(u32 )33, (u32 )163}, 
174        {(u32 )34, (u32 )119}, 
175        {(u32 )35, (u32 )128}};
176#line 57 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
177static struct rc_map_list cinergy_map  =    {{(struct list_head *)0, (struct list_head *)0}, {cinergy, (unsigned int )(sizeof(cinergy) / sizeof(cinergy[0]) + sizeof(struct __anonstruct_220 )),
178                                                     0U, 0U, (u64 )0, "rc-cinergy",
179                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
180#line 66
181static int init_rc_map_cinergy(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
182#line 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
183static int init_rc_map_cinergy(void) 
184{ int tmp ;
185
186  {
187  {
188#line 68
189  tmp = rc_map_register(& cinergy_map);
190  }
191#line 68
192  return (tmp);
193}
194}
195#line 71
196static void exit_rc_map_cinergy(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
197#line 71 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
198static void exit_rc_map_cinergy(void) 
199{ 
200
201  {
202  {
203#line 73
204  rc_map_unregister(& cinergy_map);
205  }
206#line 74
207  return;
208}
209}
210#line 76 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
211int init_module(void) 
212{ int tmp ;
213
214  {
215  {
216#line 76
217  tmp = init_rc_map_cinergy();
218  }
219#line 76
220  return (tmp);
221}
222}
223#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
224void cleanup_module(void) 
225{ 
226
227  {
228  {
229#line 77
230  exit_rc_map_cinergy();
231  }
232#line 77
233  return;
234}
235}
236#line 79 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
237static char const   __mod_license79[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
238__aligned__(1)))  = 
239#line 79
240  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
241        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
242        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
243#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
244static char const   __mod_author80[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
245__aligned__(1)))  = 
246#line 80
247  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
248        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
249        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
250        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
251        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
252        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
253        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
254        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
255        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
256        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
257        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
258        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
259        (char const   )'>',      (char const   )'\000'};
260#line 98
261void ldv_check_final_state(void) ;
262#line 104
263extern void ldv_initialize(void) ;
264#line 107
265extern int __VERIFIER_nondet_int(void) ;
266#line 110 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
267int LDV_IN_INTERRUPT  ;
268#line 113 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
269void main(void) 
270{ int tmp ;
271  int tmp___0 ;
272  int tmp___1 ;
273
274  {
275  {
276#line 125
277  LDV_IN_INTERRUPT = 1;
278#line 134
279  ldv_initialize();
280#line 140
281  tmp = init_rc_map_cinergy();
282  }
283#line 140
284  if (tmp) {
285#line 141
286    goto ldv_final;
287  } else {
288
289  }
290  {
291#line 143
292  while (1) {
293    while_continue: /* CIL Label */ ;
294    {
295#line 143
296    tmp___1 = __VERIFIER_nondet_int();
297    }
298#line 143
299    if (tmp___1) {
300
301    } else {
302#line 143
303      goto while_break;
304    }
305    {
306#line 146
307    tmp___0 = __VERIFIER_nondet_int();
308    }
309    {
310#line 148
311    goto switch_default;
312#line 146
313    if (0) {
314      switch_default: /* CIL Label */ 
315#line 148
316      goto switch_break;
317    } else {
318      switch_break: /* CIL Label */ ;
319    }
320    }
321  }
322  while_break: /* CIL Label */ ;
323  }
324  {
325#line 160
326  exit_rc_map_cinergy();
327  }
328  ldv_final: 
329  {
330#line 163
331  ldv_check_final_state();
332  }
333#line 166
334  return;
335}
336}
337#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
338void ldv_blast_assert(void) 
339{ 
340
341  {
342  ERROR: 
343#line 6
344  goto ERROR;
345}
346}
347#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
348extern int __VERIFIER_nondet_int(void) ;
349#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
350int ldv_mutex  =    1;
351#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
352int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
353{ int nondetermined ;
354
355  {
356#line 29
357  if (ldv_mutex == 1) {
358
359  } else {
360    {
361#line 29
362    ldv_blast_assert();
363    }
364  }
365  {
366#line 32
367  nondetermined = __VERIFIER_nondet_int();
368  }
369#line 35
370  if (nondetermined) {
371#line 38
372    ldv_mutex = 2;
373#line 40
374    return (0);
375  } else {
376#line 45
377    return (-4);
378  }
379}
380}
381#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
382int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
383{ int nondetermined ;
384
385  {
386#line 57
387  if (ldv_mutex == 1) {
388
389  } else {
390    {
391#line 57
392    ldv_blast_assert();
393    }
394  }
395  {
396#line 60
397  nondetermined = __VERIFIER_nondet_int();
398  }
399#line 63
400  if (nondetermined) {
401#line 66
402    ldv_mutex = 2;
403#line 68
404    return (0);
405  } else {
406#line 73
407    return (-4);
408  }
409}
410}
411#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
412int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
413{ int atomic_value_after_dec ;
414
415  {
416#line 83
417  if (ldv_mutex == 1) {
418
419  } else {
420    {
421#line 83
422    ldv_blast_assert();
423    }
424  }
425  {
426#line 86
427  atomic_value_after_dec = __VERIFIER_nondet_int();
428  }
429#line 89
430  if (atomic_value_after_dec == 0) {
431#line 92
432    ldv_mutex = 2;
433#line 94
434    return (1);
435  } else {
436
437  }
438#line 98
439  return (0);
440}
441}
442#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
443void mutex_lock(struct mutex *lock ) 
444{ 
445
446  {
447#line 108
448  if (ldv_mutex == 1) {
449
450  } else {
451    {
452#line 108
453    ldv_blast_assert();
454    }
455  }
456#line 110
457  ldv_mutex = 2;
458#line 111
459  return;
460}
461}
462#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
463int mutex_trylock(struct mutex *lock ) 
464{ int nondetermined ;
465
466  {
467#line 121
468  if (ldv_mutex == 1) {
469
470  } else {
471    {
472#line 121
473    ldv_blast_assert();
474    }
475  }
476  {
477#line 124
478  nondetermined = __VERIFIER_nondet_int();
479  }
480#line 127
481  if (nondetermined) {
482#line 130
483    ldv_mutex = 2;
484#line 132
485    return (1);
486  } else {
487#line 137
488    return (0);
489  }
490}
491}
492#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
493void mutex_unlock(struct mutex *lock ) 
494{ 
495
496  {
497#line 147
498  if (ldv_mutex == 2) {
499
500  } else {
501    {
502#line 147
503    ldv_blast_assert();
504    }
505  }
506#line 149
507  ldv_mutex = 1;
508#line 150
509  return;
510}
511}
512#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
513void ldv_check_final_state(void) 
514{ 
515
516  {
517#line 156
518  if (ldv_mutex == 1) {
519
520  } else {
521    {
522#line 156
523    ldv_blast_assert();
524    }
525  }
526#line 157
527  return;
528}
529}
530#line 175 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12879/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-cinergy.c.common.c"
531long s__builtin_expect(long val , long res ) 
532{ 
533
534  {
535#line 176
536  return (val);
537}
538}