Showing error 458

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-terratec-slim.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 333
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 58 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.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 27 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
138static struct rc_map_table terratec_slim[28]  = 
139#line 27 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
140  {      {(u32 )179456, (u32 )2}, 
141        {(u32 )179457, (u32 )3}, 
142        {(u32 )179458, (u32 )4}, 
143        {(u32 )179459, (u32 )5}, 
144        {(u32 )179460, (u32 )6}, 
145        {(u32 )179461, (u32 )7}, 
146        {(u32 )179462, (u32 )8}, 
147        {(u32 )179463, (u32 )9}, 
148        {(u32 )179464, (u32 )10}, 
149        {(u32 )179465, (u32 )11}, 
150        {(u32 )179466, (u32 )113}, 
151        {(u32 )179467, (u32 )181}, 
152        {(u32 )179470, (u32 )114}, 
153        {(u32 )179471, (u32 )164}, 
154        {(u32 )179472, (u32 )106}, 
155        {(u32 )179473, (u32 )105}, 
156        {(u32 )179474, (u32 )103}, 
157        {(u32 )179475, (u32 )108}, 
158        {(u32 )179477, (u32 )352}, 
159        {(u32 )179478, (u32 )128}, 
160        {(u32 )179479, (u32 )212}, 
161        {(u32 )179480, (u32 )402}, 
162        {(u32 )179481, (u32 )167}, 
163        {(u32 )179482, (u32 )403}, 
164        {(u32 )179484, (u32 )1}, 
165        {(u32 )179487, (u32 )115}, 
166        {(u32 )179524, (u32 )365}, 
167        {(u32 )179525, (u32 )356}};
168#line 58 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
169static struct rc_map_list terratec_slim_map  =    {{(struct list_head *)0, (struct list_head *)0}, {terratec_slim, (unsigned int )(sizeof(terratec_slim) / sizeof(terratec_slim[0]) + sizeof(struct __anonstruct_220 )),
170                                                     0U, 0U, (u64 )(1 << 1), "rc-terratec-slim",
171                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
172#line 67
173static int init_rc_map_terratec_slim(void)  __attribute__((__section__(".init.text"),
174__no_instrument_function__)) ;
175#line 67 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
176static int init_rc_map_terratec_slim(void) 
177{ int tmp ;
178
179  {
180  {
181#line 69
182  tmp = rc_map_register(& terratec_slim_map);
183  }
184#line 69
185  return (tmp);
186}
187}
188#line 72
189static void exit_rc_map_terratec_slim(void)  __attribute__((__section__(".exit.text"),
190__no_instrument_function__)) ;
191#line 72 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
192static void exit_rc_map_terratec_slim(void) 
193{ 
194
195  {
196  {
197#line 74
198  rc_map_unregister(& terratec_slim_map);
199  }
200#line 75
201  return;
202}
203}
204#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
205int init_module(void) 
206{ int tmp ;
207
208  {
209  {
210#line 77
211  tmp = init_rc_map_terratec_slim();
212  }
213#line 77
214  return (tmp);
215}
216}
217#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
218void cleanup_module(void) 
219{ 
220
221  {
222  {
223#line 78
224  exit_rc_map_terratec_slim();
225  }
226#line 78
227  return;
228}
229}
230#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
231static char const   __mod_license80[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
232__aligned__(1)))  = 
233#line 80
234  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
235        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
236        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
237#line 81 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
238static char const   __mod_author81[38]  __attribute__((__used__, __unused__, __section__(".modinfo"),
239__aligned__(1)))  = 
240#line 81
241  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
242        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
243        (char const   )'n',      (char const   )'t',      (char const   )'t',      (char const   )'i', 
244        (char const   )' ',      (char const   )'P',      (char const   )'a',      (char const   )'l', 
245        (char const   )'o',      (char const   )'s',      (char const   )'a',      (char const   )'a', 
246        (char const   )'r',      (char const   )'i',      (char const   )' ',      (char const   )'<', 
247        (char const   )'c',      (char const   )'r',      (char const   )'o',      (char const   )'p', 
248        (char const   )'e',      (char const   )'@',      (char const   )'i',      (char const   )'k', 
249        (char const   )'i',      (char const   )'.',      (char const   )'f',      (char const   )'i', 
250        (char const   )'>',      (char const   )'\000'};
251#line 99
252void ldv_check_final_state(void) ;
253#line 105
254extern void ldv_initialize(void) ;
255#line 108
256extern int __VERIFIER_nondet_int(void) ;
257#line 111 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
258int LDV_IN_INTERRUPT  ;
259#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
260void main(void) 
261{ int tmp ;
262  int tmp___0 ;
263  int tmp___1 ;
264
265  {
266  {
267#line 126
268  LDV_IN_INTERRUPT = 1;
269#line 135
270  ldv_initialize();
271#line 141
272  tmp = init_rc_map_terratec_slim();
273  }
274#line 141
275  if (tmp) {
276#line 142
277    goto ldv_final;
278  } else {
279
280  }
281  {
282#line 144
283  while (1) {
284    while_continue: /* CIL Label */ ;
285    {
286#line 144
287    tmp___1 = __VERIFIER_nondet_int();
288    }
289#line 144
290    if (tmp___1) {
291
292    } else {
293#line 144
294      goto while_break;
295    }
296    {
297#line 147
298    tmp___0 = __VERIFIER_nondet_int();
299    }
300    {
301#line 149
302    goto switch_default;
303#line 147
304    if (0) {
305      switch_default: /* CIL Label */ 
306#line 149
307      goto switch_break;
308    } else {
309      switch_break: /* CIL Label */ ;
310    }
311    }
312  }
313  while_break: /* CIL Label */ ;
314  }
315  {
316#line 161
317  exit_rc_map_terratec_slim();
318  }
319  ldv_final: 
320  {
321#line 164
322  ldv_check_final_state();
323  }
324#line 167
325  return;
326}
327}
328#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
329void ldv_blast_assert(void) 
330{ 
331
332  {
333  ERROR: 
334#line 6
335  goto ERROR;
336}
337}
338#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
339extern int __VERIFIER_nondet_int(void) ;
340#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
341int ldv_mutex  =    1;
342#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
343int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
344{ int nondetermined ;
345
346  {
347#line 29
348  if (ldv_mutex == 1) {
349
350  } else {
351    {
352#line 29
353    ldv_blast_assert();
354    }
355  }
356  {
357#line 32
358  nondetermined = __VERIFIER_nondet_int();
359  }
360#line 35
361  if (nondetermined) {
362#line 38
363    ldv_mutex = 2;
364#line 40
365    return (0);
366  } else {
367#line 45
368    return (-4);
369  }
370}
371}
372#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
373int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
374{ int nondetermined ;
375
376  {
377#line 57
378  if (ldv_mutex == 1) {
379
380  } else {
381    {
382#line 57
383    ldv_blast_assert();
384    }
385  }
386  {
387#line 60
388  nondetermined = __VERIFIER_nondet_int();
389  }
390#line 63
391  if (nondetermined) {
392#line 66
393    ldv_mutex = 2;
394#line 68
395    return (0);
396  } else {
397#line 73
398    return (-4);
399  }
400}
401}
402#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
403int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
404{ int atomic_value_after_dec ;
405
406  {
407#line 83
408  if (ldv_mutex == 1) {
409
410  } else {
411    {
412#line 83
413    ldv_blast_assert();
414    }
415  }
416  {
417#line 86
418  atomic_value_after_dec = __VERIFIER_nondet_int();
419  }
420#line 89
421  if (atomic_value_after_dec == 0) {
422#line 92
423    ldv_mutex = 2;
424#line 94
425    return (1);
426  } else {
427
428  }
429#line 98
430  return (0);
431}
432}
433#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
434void mutex_lock(struct mutex *lock ) 
435{ 
436
437  {
438#line 108
439  if (ldv_mutex == 1) {
440
441  } else {
442    {
443#line 108
444    ldv_blast_assert();
445    }
446  }
447#line 110
448  ldv_mutex = 2;
449#line 111
450  return;
451}
452}
453#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
454int mutex_trylock(struct mutex *lock ) 
455{ int nondetermined ;
456
457  {
458#line 121
459  if (ldv_mutex == 1) {
460
461  } else {
462    {
463#line 121
464    ldv_blast_assert();
465    }
466  }
467  {
468#line 124
469  nondetermined = __VERIFIER_nondet_int();
470  }
471#line 127
472  if (nondetermined) {
473#line 130
474    ldv_mutex = 2;
475#line 132
476    return (1);
477  } else {
478#line 137
479    return (0);
480  }
481}
482}
483#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
484void mutex_unlock(struct mutex *lock ) 
485{ 
486
487  {
488#line 147
489  if (ldv_mutex == 2) {
490
491  } else {
492    {
493#line 147
494    ldv_blast_assert();
495    }
496  }
497#line 149
498  ldv_mutex = 1;
499#line 150
500  return;
501}
502}
503#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
504void ldv_check_final_state(void) 
505{ 
506
507  {
508#line 156
509  if (ldv_mutex == 1) {
510
511  } else {
512    {
513#line 156
514    ldv_blast_assert();
515    }
516  }
517#line 157
518  return;
519}
520}
521#line 176 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12942/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-terratec-slim.c.common.c"
522long s__builtin_expect(long val , long res ) 
523{ 
524
525  {
526#line 177
527  return (val);
528}
529}