Showing error 420

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-v1.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 358
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 73 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.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/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
138static struct rc_map_table it913x_v1_rc[52]  = 
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/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
140  {      {(u32 )6411777, (u32 )393}, 
141        {(u32 )6411778, (u32 )4}, 
142        {(u32 )6411779, (u32 )116}, 
143        {(u32 )6411780, (u32 )2}, 
144        {(u32 )6411781, (u32 )6}, 
145        {(u32 )6411782, (u32 )7}, 
146        {(u32 )6411783, (u32 )403}, 
147        {(u32 )6411784, (u32 )3}, 
148        {(u32 )6411785, (u32 )402}, 
149        {(u32 )6411786, (u32 )10}, 
150        {(u32 )6411787, (u32 )372}, 
151        {(u32 )6411788, (u32 )8}, 
152        {(u32 )6411789, (u32 )9}, 
153        {(u32 )6411790, (u32 )115}, 
154        {(u32 )6411791, (u32 )5}, 
155        {(u32 )6411792, (u32 )1}, 
156        {(u32 )6411793, (u32 )11}, 
157        {(u32 )6411794, (u32 )352}, 
158        {(u32 )6411795, (u32 )114}, 
159        {(u32 )6411796, (u32 )167}, 
160        {(u32 )6411797, (u32 )128}, 
161        {(u32 )6411798, (u32 )207}, 
162        {(u32 )6411799, (u32 )113}, 
163        {(u32 )6411800, (u32 )103}, 
164        {(u32 )6411801, (u32 )108}, 
165        {(u32 )6411802, (u32 )105}, 
166        {(u32 )6411803, (u32 )106}, 
167        {(u32 )6411804, (u32 )398}, 
168        {(u32 )6411805, (u32 )399}, 
169        {(u32 )6411806, (u32 )400}, 
170        {(u32 )6411807, (u32 )401}, 
171        {(u32 )6411843, (u32 )356}, 
172        {(u32 )8421133, (u32 )11}, 
173        {(u32 )8421124, (u32 )2}, 
174        {(u32 )8421125, (u32 )3}, 
175        {(u32 )8421126, (u32 )4}, 
176        {(u32 )8421127, (u32 )5}, 
177        {(u32 )8421128, (u32 )6}, 
178        {(u32 )8421129, (u32 )7}, 
179        {(u32 )8421130, (u32 )8}, 
180        {(u32 )8421147, (u32 )9}, 
181        {(u32 )8421151, (u32 )10}, 
182        {(u32 )8421138, (u32 )116}, 
183        {(u32 )8421121, (u32 )439}, 
184        {(u32 )8421145, (u32 )119}, 
185        {(u32 )8421150, (u32 )115}, 
186        {(u32 )8421123, (u32 )114}, 
187        {(u32 )8421146, (u32 )402}, 
188        {(u32 )8421122, (u32 )403}, 
189        {(u32 )8421132, (u32 )372}, 
190        {(u32 )8421120, (u32 )167}, 
191        {(u32 )8421134, (u32 )128}};
192#line 73 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
193static struct rc_map_list it913x_v1_map  =    {{(struct list_head *)0, (struct list_head *)0}, {it913x_v1_rc, (unsigned int )(sizeof(it913x_v1_rc) / sizeof(it913x_v1_rc[0]) + sizeof(struct __anonstruct_220 )),
194                                                     0U, 0U, (u64 )(1 << 1), "rc-it913x-v1",
195                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
196#line 82
197static int init_rc_it913x_v1_map(void)  __attribute__((__section__(".init.text"),
198__no_instrument_function__)) ;
199#line 82 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
200static int init_rc_it913x_v1_map(void) 
201{ int tmp ;
202
203  {
204  {
205#line 84
206  tmp = rc_map_register(& it913x_v1_map);
207  }
208#line 84
209  return (tmp);
210}
211}
212#line 87
213static void exit_rc_it913x_v1_map(void)  __attribute__((__section__(".exit.text"),
214__no_instrument_function__)) ;
215#line 87 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
216static void exit_rc_it913x_v1_map(void) 
217{ 
218
219  {
220  {
221#line 89
222  rc_map_unregister(& it913x_v1_map);
223  }
224#line 90
225  return;
226}
227}
228#line 92 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
229int init_module(void) 
230{ int tmp ;
231
232  {
233  {
234#line 92
235  tmp = init_rc_it913x_v1_map();
236  }
237#line 92
238  return (tmp);
239}
240}
241#line 93 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
242void cleanup_module(void) 
243{ 
244
245  {
246  {
247#line 93
248  exit_rc_it913x_v1_map();
249  }
250#line 93
251  return;
252}
253}
254#line 95 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
255static char const   __mod_license95[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
256__aligned__(1)))  = 
257#line 95
258  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
259        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
260        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
261#line 96 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
262static char const   __mod_author96[44]  __attribute__((__used__, __unused__, __section__(".modinfo"),
263__aligned__(1)))  = 
264#line 96
265  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
266        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
267        (char const   )'a',      (char const   )'l',      (char const   )'c',      (char const   )'o', 
268        (char const   )'l',      (char const   )'m',      (char const   )' ',      (char const   )'P', 
269        (char const   )'r',      (char const   )'i',      (char const   )'e',      (char const   )'s', 
270        (char const   )'t',      (char const   )'l',      (char const   )'e',      (char const   )'y', 
271        (char const   )' ',      (char const   )'t',      (char const   )'v',      (char const   )'b', 
272        (char const   )'o',      (char const   )'x',      (char const   )'s',      (char const   )'p', 
273        (char const   )'y',      (char const   )'@',      (char const   )'g',      (char const   )'m', 
274        (char const   )'a',      (char const   )'i',      (char const   )'l',      (char const   )'.', 
275        (char const   )'c',      (char const   )'o',      (char const   )'m',      (char const   )'\000'};
276#line 114
277void ldv_check_final_state(void) ;
278#line 120
279extern void ldv_initialize(void) ;
280#line 123
281extern int __VERIFIER_nondet_int(void) ;
282#line 126 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
283int LDV_IN_INTERRUPT  ;
284#line 129 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
285void main(void) 
286{ int tmp ;
287  int tmp___0 ;
288  int tmp___1 ;
289
290  {
291  {
292#line 141
293  LDV_IN_INTERRUPT = 1;
294#line 150
295  ldv_initialize();
296#line 156
297  tmp = init_rc_it913x_v1_map();
298  }
299#line 156
300  if (tmp) {
301#line 157
302    goto ldv_final;
303  } else {
304
305  }
306  {
307#line 159
308  while (1) {
309    while_continue: /* CIL Label */ ;
310    {
311#line 159
312    tmp___1 = __VERIFIER_nondet_int();
313    }
314#line 159
315    if (tmp___1) {
316
317    } else {
318#line 159
319      goto while_break;
320    }
321    {
322#line 162
323    tmp___0 = __VERIFIER_nondet_int();
324    }
325    {
326#line 164
327    goto switch_default;
328#line 162
329    if (0) {
330      switch_default: /* CIL Label */ 
331#line 164
332      goto switch_break;
333    } else {
334      switch_break: /* CIL Label */ ;
335    }
336    }
337  }
338  while_break: /* CIL Label */ ;
339  }
340  {
341#line 176
342  exit_rc_it913x_v1_map();
343  }
344  ldv_final: 
345  {
346#line 179
347  ldv_check_final_state();
348  }
349#line 182
350  return;
351}
352}
353#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
354void ldv_blast_assert(void) 
355{ 
356
357  {
358  ERROR: 
359#line 6
360  goto ERROR;
361}
362}
363#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
364extern int __VERIFIER_nondet_int(void) ;
365#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
366int ldv_mutex  =    1;
367#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
368int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
369{ int nondetermined ;
370
371  {
372#line 29
373  if (ldv_mutex == 1) {
374
375  } else {
376    {
377#line 29
378    ldv_blast_assert();
379    }
380  }
381  {
382#line 32
383  nondetermined = __VERIFIER_nondet_int();
384  }
385#line 35
386  if (nondetermined) {
387#line 38
388    ldv_mutex = 2;
389#line 40
390    return (0);
391  } else {
392#line 45
393    return (-4);
394  }
395}
396}
397#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
398int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
399{ int nondetermined ;
400
401  {
402#line 57
403  if (ldv_mutex == 1) {
404
405  } else {
406    {
407#line 57
408    ldv_blast_assert();
409    }
410  }
411  {
412#line 60
413  nondetermined = __VERIFIER_nondet_int();
414  }
415#line 63
416  if (nondetermined) {
417#line 66
418    ldv_mutex = 2;
419#line 68
420    return (0);
421  } else {
422#line 73
423    return (-4);
424  }
425}
426}
427#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
428int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
429{ int atomic_value_after_dec ;
430
431  {
432#line 83
433  if (ldv_mutex == 1) {
434
435  } else {
436    {
437#line 83
438    ldv_blast_assert();
439    }
440  }
441  {
442#line 86
443  atomic_value_after_dec = __VERIFIER_nondet_int();
444  }
445#line 89
446  if (atomic_value_after_dec == 0) {
447#line 92
448    ldv_mutex = 2;
449#line 94
450    return (1);
451  } else {
452
453  }
454#line 98
455  return (0);
456}
457}
458#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
459void mutex_lock(struct mutex *lock ) 
460{ 
461
462  {
463#line 108
464  if (ldv_mutex == 1) {
465
466  } else {
467    {
468#line 108
469    ldv_blast_assert();
470    }
471  }
472#line 110
473  ldv_mutex = 2;
474#line 111
475  return;
476}
477}
478#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
479int mutex_trylock(struct mutex *lock ) 
480{ int nondetermined ;
481
482  {
483#line 121
484  if (ldv_mutex == 1) {
485
486  } else {
487    {
488#line 121
489    ldv_blast_assert();
490    }
491  }
492  {
493#line 124
494  nondetermined = __VERIFIER_nondet_int();
495  }
496#line 127
497  if (nondetermined) {
498#line 130
499    ldv_mutex = 2;
500#line 132
501    return (1);
502  } else {
503#line 137
504    return (0);
505  }
506}
507}
508#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
509void mutex_unlock(struct mutex *lock ) 
510{ 
511
512  {
513#line 147
514  if (ldv_mutex == 2) {
515
516  } else {
517    {
518#line 147
519    ldv_blast_assert();
520    }
521  }
522#line 149
523  ldv_mutex = 1;
524#line 150
525  return;
526}
527}
528#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
529void ldv_check_final_state(void) 
530{ 
531
532  {
533#line 156
534  if (ldv_mutex == 1) {
535
536  } else {
537    {
538#line 156
539    ldv_blast_assert();
540    }
541  }
542#line 157
543  return;
544}
545}
546#line 191 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12903/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-it913x-v1.c.common.c"
547long s__builtin_expect(long val , long res ) 
548{ 
549
550  {
551#line 192
552  return (val);
553}
554}