Showing error 451

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-rc6-mce.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 366
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 97 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.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 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
138static struct rc_map_table rc6_mce[63]  = 
139#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
140  {      {2148467712U, (u32 )512}, 
141        {2148467713U, (u32 )513}, 
142        {2148467714U, (u32 )514}, 
143        {2148467715U, (u32 )515}, 
144        {2148467716U, (u32 )516}, 
145        {2148467717U, (u32 )517}, 
146        {2148467718U, (u32 )518}, 
147        {2148467719U, (u32 )519}, 
148        {2148467720U, (u32 )520}, 
149        {2148467721U, (u32 )521}, 
150        {2148467722U, (u32 )111}, 
151        {2148467723U, (u32 )28}, 
152        {2148467724U, (u32 )142}, 
153        {2148467725U, (u32 )226}, 
154        {2148467726U, (u32 )113}, 
155        {2148467727U, (u32 )358}, 
156        {2148467728U, (u32 )115}, 
157        {2148467729U, (u32 )114}, 
158        {2148467730U, (u32 )402}, 
159        {2148467731U, (u32 )403}, 
160        {2148467732U, (u32 )208}, 
161        {2148467733U, (u32 )168}, 
162        {2148467734U, (u32 )207}, 
163        {2148467735U, (u32 )167}, 
164        {2148467736U, (u32 )119}, 
165        {2148467737U, (u32 )128}, 
166        {2148467738U, (u32 )407}, 
167        {2148467739U, (u32 )412}, 
168        {2148467740U, (u32 )523}, 
169        {2148467741U, (u32 )522}, 
170        {2148467742U, (u32 )103}, 
171        {2148467743U, (u32 )108}, 
172        {2148467744U, (u32 )105}, 
173        {2148467745U, (u32 )106}, 
174        {2148467746U, (u32 )352}, 
175        {2148467747U, (u32 )174}, 
176        {2148467748U, (u32 )389}, 
177        {2148467749U, (u32 )386}, 
178        {2148467750U, (u32 )365}, 
179        {2148467751U, (u32 )372}, 
180        {2148467762U, (u32 )373}, 
181        {2148467763U, (u32 )425}, 
182        {2148467764U, (u32 )161}, 
183        {2148467770U, (u32 )225}, 
184        {2148467782U, (u32 )377}, 
185        {2148467783U, (u32 )392}, 
186        {2148467784U, (u32 )366}, 
187        {2148467785U, (u32 )212}, 
188        {2148467786U, (u32 )393}, 
189        {2148467788U, (u32 )368}, 
190        {2148467789U, (u32 )369}, 
191        {2148467790U, (u32 )210}, 
192        {2148467792U, (u32 )385}, 
193        {2148467802U, (u32 )370}, 
194        {2148467803U, (u32 )398}, 
195        {2148467804U, (u32 )399}, 
196        {2148467805U, (u32 )400}, 
197        {2148467806U, (u32 )401}, 
198        {2148467813U, (u32 )356}, 
199        {2148467822U, (u32 )164}, 
200        {2148467823U, (u32 )387}, 
201        {2148467840U, (u32 )224}, 
202        {2148467841U, (u32 )164}};
203#line 97 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
204static struct rc_map_list rc6_mce_map  =    {{(struct list_head *)0, (struct list_head *)0}, {rc6_mce, (unsigned int )(sizeof(rc6_mce) / sizeof(rc6_mce[0]) + sizeof(struct __anonstruct_220 )),
205                                                     0U, 0U, (u64 )(1 << 2), "rc-rc6-mce",
206                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
207#line 106
208static int init_rc_map_rc6_mce(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
209#line 106 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
210static int init_rc_map_rc6_mce(void) 
211{ int tmp ;
212
213  {
214  {
215#line 108
216  tmp = rc_map_register(& rc6_mce_map);
217  }
218#line 108
219  return (tmp);
220}
221}
222#line 111
223static void exit_rc_map_rc6_mce(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
224#line 111 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
225static void exit_rc_map_rc6_mce(void) 
226{ 
227
228  {
229  {
230#line 113
231  rc_map_unregister(& rc6_mce_map);
232  }
233#line 114
234  return;
235}
236}
237#line 116 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
238int init_module(void) 
239{ int tmp ;
240
241  {
242  {
243#line 116
244  tmp = init_rc_map_rc6_mce();
245  }
246#line 116
247  return (tmp);
248}
249}
250#line 117 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
251void cleanup_module(void) 
252{ 
253
254  {
255  {
256#line 117
257  exit_rc_map_rc6_mce();
258  }
259#line 117
260  return;
261}
262}
263#line 119 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
264static char const   __mod_license119[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
265__aligned__(1)))  = 
266#line 119
267  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
268        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
269        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
270#line 120 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
271static char const   __mod_author120[39]  __attribute__((__used__, __unused__, __section__(".modinfo"),
272__aligned__(1)))  = 
273#line 120
274  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
275        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'J', 
276        (char const   )'a',      (char const   )'r',      (char const   )'o',      (char const   )'d', 
277        (char const   )' ',      (char const   )'W',      (char const   )'i',      (char const   )'l', 
278        (char const   )'s',      (char const   )'o',      (char const   )'n',      (char const   )' ', 
279        (char const   )'<',      (char const   )'j',      (char const   )'a',      (char const   )'r', 
280        (char const   )'o',      (char const   )'d',      (char const   )'@',      (char const   )'r', 
281        (char const   )'e',      (char const   )'d',      (char const   )'h',      (char const   )'a', 
282        (char const   )'t',      (char const   )'.',      (char const   )'c',      (char const   )'o', 
283        (char const   )'m',      (char const   )'>',      (char const   )'\000'};
284#line 138
285void ldv_check_final_state(void) ;
286#line 144
287extern void ldv_initialize(void) ;
288#line 147
289extern int __VERIFIER_nondet_int(void) ;
290#line 150 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
291int LDV_IN_INTERRUPT  ;
292#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
293void main(void) 
294{ int tmp ;
295  int tmp___0 ;
296  int tmp___1 ;
297
298  {
299  {
300#line 165
301  LDV_IN_INTERRUPT = 1;
302#line 174
303  ldv_initialize();
304#line 180
305  tmp = init_rc_map_rc6_mce();
306  }
307#line 180
308  if (tmp) {
309#line 181
310    goto ldv_final;
311  } else {
312
313  }
314  {
315#line 183
316  while (1) {
317    while_continue: /* CIL Label */ ;
318    {
319#line 183
320    tmp___1 = __VERIFIER_nondet_int();
321    }
322#line 183
323    if (tmp___1) {
324
325    } else {
326#line 183
327      goto while_break;
328    }
329    {
330#line 186
331    tmp___0 = __VERIFIER_nondet_int();
332    }
333    {
334#line 188
335    goto switch_default;
336#line 186
337    if (0) {
338      switch_default: /* CIL Label */ 
339#line 188
340      goto switch_break;
341    } else {
342      switch_break: /* CIL Label */ ;
343    }
344    }
345  }
346  while_break: /* CIL Label */ ;
347  }
348  {
349#line 200
350  exit_rc_map_rc6_mce();
351  }
352  ldv_final: 
353  {
354#line 203
355  ldv_check_final_state();
356  }
357#line 206
358  return;
359}
360}
361#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
362void ldv_blast_assert(void) 
363{ 
364
365  {
366  ERROR: 
367#line 6
368  goto ERROR;
369}
370}
371#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
372extern int __VERIFIER_nondet_int(void) ;
373#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
374int ldv_mutex  =    1;
375#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
376int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
377{ int nondetermined ;
378
379  {
380#line 29
381  if (ldv_mutex == 1) {
382
383  } else {
384    {
385#line 29
386    ldv_blast_assert();
387    }
388  }
389  {
390#line 32
391  nondetermined = __VERIFIER_nondet_int();
392  }
393#line 35
394  if (nondetermined) {
395#line 38
396    ldv_mutex = 2;
397#line 40
398    return (0);
399  } else {
400#line 45
401    return (-4);
402  }
403}
404}
405#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
406int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
407{ int nondetermined ;
408
409  {
410#line 57
411  if (ldv_mutex == 1) {
412
413  } else {
414    {
415#line 57
416    ldv_blast_assert();
417    }
418  }
419  {
420#line 60
421  nondetermined = __VERIFIER_nondet_int();
422  }
423#line 63
424  if (nondetermined) {
425#line 66
426    ldv_mutex = 2;
427#line 68
428    return (0);
429  } else {
430#line 73
431    return (-4);
432  }
433}
434}
435#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
436int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
437{ int atomic_value_after_dec ;
438
439  {
440#line 83
441  if (ldv_mutex == 1) {
442
443  } else {
444    {
445#line 83
446    ldv_blast_assert();
447    }
448  }
449  {
450#line 86
451  atomic_value_after_dec = __VERIFIER_nondet_int();
452  }
453#line 89
454  if (atomic_value_after_dec == 0) {
455#line 92
456    ldv_mutex = 2;
457#line 94
458    return (1);
459  } else {
460
461  }
462#line 98
463  return (0);
464}
465}
466#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
467void mutex_lock(struct mutex *lock ) 
468{ 
469
470  {
471#line 108
472  if (ldv_mutex == 1) {
473
474  } else {
475    {
476#line 108
477    ldv_blast_assert();
478    }
479  }
480#line 110
481  ldv_mutex = 2;
482#line 111
483  return;
484}
485}
486#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
487int mutex_trylock(struct mutex *lock ) 
488{ int nondetermined ;
489
490  {
491#line 121
492  if (ldv_mutex == 1) {
493
494  } else {
495    {
496#line 121
497    ldv_blast_assert();
498    }
499  }
500  {
501#line 124
502  nondetermined = __VERIFIER_nondet_int();
503  }
504#line 127
505  if (nondetermined) {
506#line 130
507    ldv_mutex = 2;
508#line 132
509    return (1);
510  } else {
511#line 137
512    return (0);
513  }
514}
515}
516#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
517void mutex_unlock(struct mutex *lock ) 
518{ 
519
520  {
521#line 147
522  if (ldv_mutex == 2) {
523
524  } else {
525    {
526#line 147
527    ldv_blast_assert();
528    }
529  }
530#line 149
531  ldv_mutex = 1;
532#line 150
533  return;
534}
535}
536#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
537void ldv_check_final_state(void) 
538{ 
539
540  {
541#line 156
542  if (ldv_mutex == 1) {
543
544  } else {
545    {
546#line 156
547    ldv_blast_assert();
548    }
549  }
550#line 157
551  return;
552}
553}
554#line 215 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12934/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-rc6-mce.c.common.c"
555long s__builtin_expect(long val , long res ) 
556{ 
557
558  {
559#line 216
560  return (val);
561}
562}