Showing error 421

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-it913x-v2.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 353
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 72 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.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 16 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
138static struct rc_map_table it913x_v2_rc[47]  = 
139#line 16 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
140  {      {(u32 )8421138, (u32 )356}, 
141        {(u32 )8421146, (u32 )393}, 
142        {(u32 )8421150, (u32 )113}, 
143        {(u32 )8421121, (u32 )167}, 
144        {(u32 )8421122, (u32 )402}, 
145        {(u32 )8421123, (u32 )359}, 
146        {(u32 )8421124, (u32 )115}, 
147        {(u32 )8421125, (u32 )375}, 
148        {(u32 )8421126, (u32 )114}, 
149        {(u32 )8421127, (u32 )11}, 
150        {(u32 )8421128, (u32 )403}, 
151        {(u32 )8421129, (u32 )412}, 
152        {(u32 )8421130, (u32 )2}, 
153        {(u32 )8421147, (u32 )3}, 
154        {(u32 )8421151, (u32 )4}, 
155        {(u32 )8421132, (u32 )5}, 
156        {(u32 )8421133, (u32 )6}, 
157        {(u32 )8421134, (u32 )7}, 
158        {(u32 )8421120, (u32 )8}, 
159        {(u32 )8421135, (u32 )9}, 
160        {(u32 )8421145, (u32 )10}, 
161        {(u32 )8809216, (u32 )11}, 
162        {(u32 )8809243, (u32 )2}, 
163        {(u32 )8809218, (u32 )3}, 
164        {(u32 )8809219, (u32 )4}, 
165        {(u32 )8809220, (u32 )5}, 
166        {(u32 )8809221, (u32 )6}, 
167        {(u32 )8809222, (u32 )7}, 
168        {(u32 )8809223, (u32 )8}, 
169        {(u32 )8809224, (u32 )9}, 
170        {(u32 )8809225, (u32 )10}, 
171        {(u32 )8809234, (u32 )116}, 
172        {(u32 )8809235, (u32 )113}, 
173        {(u32 )8809226, (u32 )412}, 
174        {(u32 )8809246, (u32 )119}, 
175        {(u32 )8809228, (u32 )115}, 
176        {(u32 )8809240, (u32 )114}, 
177        {(u32 )8809227, (u32 )402}, 
178        {(u32 )8809240, (u32 )403}, 
179        {(u32 )8809232, (u32 )372}, 
180        {(u32 )8809245, (u32 )167}, 
181        {(u32 )8809230, (u32 )128}, 
182        {(u32 )8809233, (u32 )365}, 
183        {(u32 )8809242, (u32 )208}, 
184        {(u32 )8809231, (u32 )168}, 
185        {(u32 )8809244, (u32 )377}, 
186        {(u32 )8809243, (u32 )388}};
187#line 72 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
188static struct rc_map_list it913x_v2_map  =    {{(struct list_head *)0, (struct list_head *)0}, {it913x_v2_rc, (unsigned int )(sizeof(it913x_v2_rc) / sizeof(it913x_v2_rc[0]) + sizeof(struct __anonstruct_220 )),
189                                                     0U, 0U, (u64 )(1 << 1), "rc-it913x-v2",
190                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
191#line 81
192static int init_rc_it913x_v2_map(void)  __attribute__((__section__(".init.text"),
193__no_instrument_function__)) ;
194#line 81 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
195static int init_rc_it913x_v2_map(void) 
196{ int tmp ;
197
198  {
199  {
200#line 83
201  tmp = rc_map_register(& it913x_v2_map);
202  }
203#line 83
204  return (tmp);
205}
206}
207#line 86
208static void exit_rc_it913x_v2_map(void)  __attribute__((__section__(".exit.text"),
209__no_instrument_function__)) ;
210#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
211static void exit_rc_it913x_v2_map(void) 
212{ 
213
214  {
215  {
216#line 88
217  rc_map_unregister(& it913x_v2_map);
218  }
219#line 89
220  return;
221}
222}
223#line 91 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
224int init_module(void) 
225{ int tmp ;
226
227  {
228  {
229#line 91
230  tmp = init_rc_it913x_v2_map();
231  }
232#line 91
233  return (tmp);
234}
235}
236#line 92 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
237void cleanup_module(void) 
238{ 
239
240  {
241  {
242#line 92
243  exit_rc_it913x_v2_map();
244  }
245#line 92
246  return;
247}
248}
249#line 94 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
250static char const   __mod_license94[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
251__aligned__(1)))  = 
252#line 94
253  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
254        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
255        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
256#line 95 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
257static char const   __mod_author95[44]  __attribute__((__used__, __unused__, __section__(".modinfo"),
258__aligned__(1)))  = 
259#line 95
260  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
261        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
262        (char const   )'a',      (char const   )'l',      (char const   )'c',      (char const   )'o', 
263        (char const   )'l',      (char const   )'m',      (char const   )' ',      (char const   )'P', 
264        (char const   )'r',      (char const   )'i',      (char const   )'e',      (char const   )'s', 
265        (char const   )'t',      (char const   )'l',      (char const   )'e',      (char const   )'y', 
266        (char const   )' ',      (char const   )'t',      (char const   )'v',      (char const   )'b', 
267        (char const   )'o',      (char const   )'x',      (char const   )'s',      (char const   )'p', 
268        (char const   )'y',      (char const   )'@',      (char const   )'g',      (char const   )'m', 
269        (char const   )'a',      (char const   )'i',      (char const   )'l',      (char const   )'.', 
270        (char const   )'c',      (char const   )'o',      (char const   )'m',      (char const   )'\000'};
271#line 113
272void ldv_check_final_state(void) ;
273#line 119
274extern void ldv_initialize(void) ;
275#line 122
276extern int __VERIFIER_nondet_int(void) ;
277#line 125 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
278int LDV_IN_INTERRUPT  ;
279#line 128 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
280void main(void) 
281{ int tmp ;
282  int tmp___0 ;
283  int tmp___1 ;
284
285  {
286  {
287#line 140
288  LDV_IN_INTERRUPT = 1;
289#line 149
290  ldv_initialize();
291#line 155
292  tmp = init_rc_it913x_v2_map();
293  }
294#line 155
295  if (tmp) {
296#line 156
297    goto ldv_final;
298  } else {
299
300  }
301  {
302#line 158
303  while (1) {
304    while_continue: /* CIL Label */ ;
305    {
306#line 158
307    tmp___1 = __VERIFIER_nondet_int();
308    }
309#line 158
310    if (tmp___1) {
311
312    } else {
313#line 158
314      goto while_break;
315    }
316    {
317#line 161
318    tmp___0 = __VERIFIER_nondet_int();
319    }
320    {
321#line 163
322    goto switch_default;
323#line 161
324    if (0) {
325      switch_default: /* CIL Label */ 
326#line 163
327      goto switch_break;
328    } else {
329      switch_break: /* CIL Label */ ;
330    }
331    }
332  }
333  while_break: /* CIL Label */ ;
334  }
335  {
336#line 175
337  exit_rc_it913x_v2_map();
338  }
339  ldv_final: 
340  {
341#line 178
342  ldv_check_final_state();
343  }
344#line 181
345  return;
346}
347}
348#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
349void ldv_blast_assert(void) 
350{ 
351
352  {
353  ERROR: 
354#line 6
355  goto ERROR;
356}
357}
358#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
359extern int __VERIFIER_nondet_int(void) ;
360#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
361int ldv_mutex  =    1;
362#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
363int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
364{ int nondetermined ;
365
366  {
367#line 29
368  if (ldv_mutex == 1) {
369
370  } else {
371    {
372#line 29
373    ldv_blast_assert();
374    }
375  }
376  {
377#line 32
378  nondetermined = __VERIFIER_nondet_int();
379  }
380#line 35
381  if (nondetermined) {
382#line 38
383    ldv_mutex = 2;
384#line 40
385    return (0);
386  } else {
387#line 45
388    return (-4);
389  }
390}
391}
392#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
393int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
394{ int nondetermined ;
395
396  {
397#line 57
398  if (ldv_mutex == 1) {
399
400  } else {
401    {
402#line 57
403    ldv_blast_assert();
404    }
405  }
406  {
407#line 60
408  nondetermined = __VERIFIER_nondet_int();
409  }
410#line 63
411  if (nondetermined) {
412#line 66
413    ldv_mutex = 2;
414#line 68
415    return (0);
416  } else {
417#line 73
418    return (-4);
419  }
420}
421}
422#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
423int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
424{ int atomic_value_after_dec ;
425
426  {
427#line 83
428  if (ldv_mutex == 1) {
429
430  } else {
431    {
432#line 83
433    ldv_blast_assert();
434    }
435  }
436  {
437#line 86
438  atomic_value_after_dec = __VERIFIER_nondet_int();
439  }
440#line 89
441  if (atomic_value_after_dec == 0) {
442#line 92
443    ldv_mutex = 2;
444#line 94
445    return (1);
446  } else {
447
448  }
449#line 98
450  return (0);
451}
452}
453#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
454void mutex_lock(struct mutex *lock ) 
455{ 
456
457  {
458#line 108
459  if (ldv_mutex == 1) {
460
461  } else {
462    {
463#line 108
464    ldv_blast_assert();
465    }
466  }
467#line 110
468  ldv_mutex = 2;
469#line 111
470  return;
471}
472}
473#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
474int mutex_trylock(struct mutex *lock ) 
475{ int nondetermined ;
476
477  {
478#line 121
479  if (ldv_mutex == 1) {
480
481  } else {
482    {
483#line 121
484    ldv_blast_assert();
485    }
486  }
487  {
488#line 124
489  nondetermined = __VERIFIER_nondet_int();
490  }
491#line 127
492  if (nondetermined) {
493#line 130
494    ldv_mutex = 2;
495#line 132
496    return (1);
497  } else {
498#line 137
499    return (0);
500  }
501}
502}
503#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
504void mutex_unlock(struct mutex *lock ) 
505{ 
506
507  {
508#line 147
509  if (ldv_mutex == 2) {
510
511  } else {
512    {
513#line 147
514    ldv_blast_assert();
515    }
516  }
517#line 149
518  ldv_mutex = 1;
519#line 150
520  return;
521}
522}
523#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
524void ldv_check_final_state(void) 
525{ 
526
527  {
528#line 156
529  if (ldv_mutex == 1) {
530
531  } else {
532    {
533#line 156
534    ldv_blast_assert();
535    }
536  }
537#line 157
538  return;
539}
540}
541#line 190 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12904/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v2.c.common.c"
542long s__builtin_expect(long val , long res ) 
543{ 
544
545  {
546#line 191
547  return (val);
548}
549}