Showing error 461

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-tivo.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 348
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 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.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 23 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
138static struct rc_map_table tivo[45]  = 
139#line 23 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
140  {      {2701955087U, (u32 )226}, 
141        {2701920263U, (u32 )356}, 
142        {2701953031U, (u32 )377}, 
143        {2701929475U, (u32 )241}, 
144        {2701969415U, (u32 )358}, 
145        {2701982213U, (u32 )154}, 
146        {(u32 )8728671, (u32 )154}, 
147        {2701945859U, (u32 )365}, 
148        {2701928455U, (u32 )103}, 
149        {2701944839U, (u32 )108}, 
150        {2701977607U, (u32 )105}, 
151        {2701961223U, (u32 )106}, 
152        {2701924359U, (u32 )178}, 
153        {2701957127U, (u32 )353}, 
154        {2701940743U, (u32 )177}, 
155        {2701932551U, (u32 )115}, 
156        {2701965319U, (u32 )114}, 
157        {2701973511U, (u32 )113}, 
158        {2701919243U, (u32 )167}, 
159        {2701948935U, (u32 )402}, 
160        {2701981703U, (u32 )403}, 
161        {(u32 )8728607, (u32 )403}, 
162        {2701952011U, (u32 )207}, 
163        {2701968395U, (u32 )119}, 
164        {2701960203U, (u32 )409}, 
165        {2701935627U, (u32 )168}, 
166        {2701927435U, (u32 )208}, 
167        {2701943819U, (u32 )412}, 
168        {2701976587U, (u32 )407}, 
169        {2701926925U, (u32 )372}, 
170        {2701922829U, (u32 )128}, 
171        {2701939213U, (u32 )389}, 
172        {2701923339U, (u32 )513}, 
173        {2701956107U, (u32 )514}, 
174        {2701939723U, (u32 )515}, 
175        {2701972491U, (u32 )516}, 
176        {2701931531U, (u32 )517}, 
177        {2701964299U, (u32 )518}, 
178        {2701947915U, (u32 )519}, 
179        {2701980683U, (u32 )520}, 
180        {(u32 )8728623, (u32 )520}, 
181        {2701921283U, (u32 )521}, 
182        {2701954051U, (u32 )512}, 
183        {2701970435U, (u32 )28}, 
184        {2701937667U, (u32 )355}};
185#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
186static struct rc_map_list tivo_map  =    {{(struct list_head *)0, (struct list_head *)0}, {tivo, (unsigned int )(sizeof(tivo) / sizeof(tivo[0]) + sizeof(struct __anonstruct_220 )),
187                                                     0U, 0U, (u64 )(1 << 1), "rc-tivo",
188                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
189#line 86
190static int init_rc_map_tivo(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
191#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
192static int init_rc_map_tivo(void) 
193{ int tmp ;
194
195  {
196  {
197#line 88
198  tmp = rc_map_register(& tivo_map);
199  }
200#line 88
201  return (tmp);
202}
203}
204#line 91
205static void exit_rc_map_tivo(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
206#line 91 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
207static void exit_rc_map_tivo(void) 
208{ 
209
210  {
211  {
212#line 93
213  rc_map_unregister(& tivo_map);
214  }
215#line 94
216  return;
217}
218}
219#line 96 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
220int init_module(void) 
221{ int tmp ;
222
223  {
224  {
225#line 96
226  tmp = init_rc_map_tivo();
227  }
228#line 96
229  return (tmp);
230}
231}
232#line 97 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
233void cleanup_module(void) 
234{ 
235
236  {
237  {
238#line 97
239  exit_rc_map_tivo();
240  }
241#line 97
242  return;
243}
244}
245#line 99 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
246static char const   __mod_license99[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
247__aligned__(1)))  = 
248#line 99
249  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
250        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
251        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
252#line 100 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
253static char const   __mod_author100[39]  __attribute__((__used__, __unused__, __section__(".modinfo"),
254__aligned__(1)))  = 
255#line 100
256  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
257        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'J', 
258        (char const   )'a',      (char const   )'r',      (char const   )'o',      (char const   )'d', 
259        (char const   )' ',      (char const   )'W',      (char const   )'i',      (char const   )'l', 
260        (char const   )'s',      (char const   )'o',      (char const   )'n',      (char const   )' ', 
261        (char const   )'<',      (char const   )'j',      (char const   )'a',      (char const   )'r', 
262        (char const   )'o',      (char const   )'d',      (char const   )'@',      (char const   )'r', 
263        (char const   )'e',      (char const   )'d',      (char const   )'h',      (char const   )'a', 
264        (char const   )'t',      (char const   )'.',      (char const   )'c',      (char const   )'o', 
265        (char const   )'m',      (char const   )'>',      (char const   )'\000'};
266#line 118
267void ldv_check_final_state(void) ;
268#line 124
269extern void ldv_initialize(void) ;
270#line 127
271extern int __VERIFIER_nondet_int(void) ;
272#line 130 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
273int LDV_IN_INTERRUPT  ;
274#line 133 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
275void main(void) 
276{ int tmp ;
277  int tmp___0 ;
278  int tmp___1 ;
279
280  {
281  {
282#line 145
283  LDV_IN_INTERRUPT = 1;
284#line 154
285  ldv_initialize();
286#line 160
287  tmp = init_rc_map_tivo();
288  }
289#line 160
290  if (tmp) {
291#line 161
292    goto ldv_final;
293  } else {
294
295  }
296  {
297#line 163
298  while (1) {
299    while_continue: /* CIL Label */ ;
300    {
301#line 163
302    tmp___1 = __VERIFIER_nondet_int();
303    }
304#line 163
305    if (tmp___1) {
306
307    } else {
308#line 163
309      goto while_break;
310    }
311    {
312#line 166
313    tmp___0 = __VERIFIER_nondet_int();
314    }
315    {
316#line 168
317    goto switch_default;
318#line 166
319    if (0) {
320      switch_default: /* CIL Label */ 
321#line 168
322      goto switch_break;
323    } else {
324      switch_break: /* CIL Label */ ;
325    }
326    }
327  }
328  while_break: /* CIL Label */ ;
329  }
330  {
331#line 180
332  exit_rc_map_tivo();
333  }
334  ldv_final: 
335  {
336#line 183
337  ldv_check_final_state();
338  }
339#line 186
340  return;
341}
342}
343#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
344void ldv_blast_assert(void) 
345{ 
346
347  {
348  ERROR: 
349#line 6
350  goto ERROR;
351}
352}
353#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
354extern int __VERIFIER_nondet_int(void) ;
355#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
356int ldv_mutex  =    1;
357#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
358int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
359{ int nondetermined ;
360
361  {
362#line 29
363  if (ldv_mutex == 1) {
364
365  } else {
366    {
367#line 29
368    ldv_blast_assert();
369    }
370  }
371  {
372#line 32
373  nondetermined = __VERIFIER_nondet_int();
374  }
375#line 35
376  if (nondetermined) {
377#line 38
378    ldv_mutex = 2;
379#line 40
380    return (0);
381  } else {
382#line 45
383    return (-4);
384  }
385}
386}
387#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
388int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
389{ int nondetermined ;
390
391  {
392#line 57
393  if (ldv_mutex == 1) {
394
395  } else {
396    {
397#line 57
398    ldv_blast_assert();
399    }
400  }
401  {
402#line 60
403  nondetermined = __VERIFIER_nondet_int();
404  }
405#line 63
406  if (nondetermined) {
407#line 66
408    ldv_mutex = 2;
409#line 68
410    return (0);
411  } else {
412#line 73
413    return (-4);
414  }
415}
416}
417#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
418int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
419{ int atomic_value_after_dec ;
420
421  {
422#line 83
423  if (ldv_mutex == 1) {
424
425  } else {
426    {
427#line 83
428    ldv_blast_assert();
429    }
430  }
431  {
432#line 86
433  atomic_value_after_dec = __VERIFIER_nondet_int();
434  }
435#line 89
436  if (atomic_value_after_dec == 0) {
437#line 92
438    ldv_mutex = 2;
439#line 94
440    return (1);
441  } else {
442
443  }
444#line 98
445  return (0);
446}
447}
448#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
449void mutex_lock(struct mutex *lock ) 
450{ 
451
452  {
453#line 108
454  if (ldv_mutex == 1) {
455
456  } else {
457    {
458#line 108
459    ldv_blast_assert();
460    }
461  }
462#line 110
463  ldv_mutex = 2;
464#line 111
465  return;
466}
467}
468#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
469int mutex_trylock(struct mutex *lock ) 
470{ int nondetermined ;
471
472  {
473#line 121
474  if (ldv_mutex == 1) {
475
476  } else {
477    {
478#line 121
479    ldv_blast_assert();
480    }
481  }
482  {
483#line 124
484  nondetermined = __VERIFIER_nondet_int();
485  }
486#line 127
487  if (nondetermined) {
488#line 130
489    ldv_mutex = 2;
490#line 132
491    return (1);
492  } else {
493#line 137
494    return (0);
495  }
496}
497}
498#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
499void mutex_unlock(struct mutex *lock ) 
500{ 
501
502  {
503#line 147
504  if (ldv_mutex == 2) {
505
506  } else {
507    {
508#line 147
509    ldv_blast_assert();
510    }
511  }
512#line 149
513  ldv_mutex = 1;
514#line 150
515  return;
516}
517}
518#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
519void ldv_check_final_state(void) 
520{ 
521
522  {
523#line 156
524  if (ldv_mutex == 1) {
525
526  } else {
527    {
528#line 156
529    ldv_blast_assert();
530    }
531  }
532#line 157
533  return;
534}
535}
536#line 195 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12944/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-tivo.c.common.c"
537long s__builtin_expect(long val , long res ) 
538{ 
539
540  {
541#line 196
542  return (val);
543}
544}