Showing error 422

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-kaiomy.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 338
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 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.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 21 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
138static struct rc_map_table kaiomy[32]  = 
139#line 21 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
140  {      {(u32 )67, (u32 )356}, 
141        {(u32 )1, (u32 )395}, 
142        {(u32 )11, (u32 )372}, 
143        {(u32 )3, (u32 )116}, 
144        {(u32 )4, (u32 )2}, 
145        {(u32 )8, (u32 )3}, 
146        {(u32 )2, (u32 )4}, 
147        {(u32 )15, (u32 )5}, 
148        {(u32 )5, (u32 )6}, 
149        {(u32 )6, (u32 )7}, 
150        {(u32 )12, (u32 )8}, 
151        {(u32 )13, (u32 )9}, 
152        {(u32 )10, (u32 )10}, 
153        {(u32 )17, (u32 )11}, 
154        {(u32 )9, (u32 )402}, 
155        {(u32 )7, (u32 )403}, 
156        {(u32 )14, (u32 )115}, 
157        {(u32 )19, (u32 )114}, 
158        {(u32 )16, (u32 )102}, 
159        {(u32 )18, (u32 )28}, 
160        {(u32 )20, (u32 )167}, 
161        {(u32 )21, (u32 )128}, 
162        {(u32 )22, (u32 )207}, 
163        {(u32 )23, (u32 )113}, 
164        {(u32 )24, (u32 )103}, 
165        {(u32 )25, (u32 )108}, 
166        {(u32 )26, (u32 )105}, 
167        {(u32 )27, (u32 )106}, 
168        {(u32 )28, (u32 )398}, 
169        {(u32 )29, (u32 )399}, 
170        {(u32 )30, (u32 )400}, 
171        {(u32 )31, (u32 )401}};
172#line 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
173static struct rc_map_list kaiomy_map  =    {{(struct list_head *)0, (struct list_head *)0}, {kaiomy, (unsigned int )(sizeof(kaiomy) / sizeof(kaiomy[0]) + sizeof(struct __anonstruct_220 )),
174                                                     0U, 0U, (u64 )0, "rc-kaiomy",
175                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
176#line 75
177static int init_rc_map_kaiomy(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
178#line 75 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
179static int init_rc_map_kaiomy(void) 
180{ int tmp ;
181
182  {
183  {
184#line 77
185  tmp = rc_map_register(& kaiomy_map);
186  }
187#line 77
188  return (tmp);
189}
190}
191#line 80
192static void exit_rc_map_kaiomy(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
193#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
194static void exit_rc_map_kaiomy(void) 
195{ 
196
197  {
198  {
199#line 82
200  rc_map_unregister(& kaiomy_map);
201  }
202#line 83
203  return;
204}
205}
206#line 85 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
207int init_module(void) 
208{ int tmp ;
209
210  {
211  {
212#line 85
213  tmp = init_rc_map_kaiomy();
214  }
215#line 85
216  return (tmp);
217}
218}
219#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
220void cleanup_module(void) 
221{ 
222
223  {
224  {
225#line 86
226  exit_rc_map_kaiomy();
227  }
228#line 86
229  return;
230}
231}
232#line 88 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
233static char const   __mod_license88[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
234__aligned__(1)))  = 
235#line 88
236  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
237        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
238        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
239#line 89 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
240static char const   __mod_author89[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
241__aligned__(1)))  = 
242#line 89
243  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
244        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
245        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
246        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
247        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
248        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
249        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
250        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
251        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
252        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
253        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
254        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
255        (char const   )'>',      (char const   )'\000'};
256#line 107
257void ldv_check_final_state(void) ;
258#line 113
259extern void ldv_initialize(void) ;
260#line 116
261extern int __VERIFIER_nondet_int(void) ;
262#line 119 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
263int LDV_IN_INTERRUPT  ;
264#line 122 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
265void main(void) 
266{ int tmp ;
267  int tmp___0 ;
268  int tmp___1 ;
269
270  {
271  {
272#line 134
273  LDV_IN_INTERRUPT = 1;
274#line 143
275  ldv_initialize();
276#line 149
277  tmp = init_rc_map_kaiomy();
278  }
279#line 149
280  if (tmp) {
281#line 150
282    goto ldv_final;
283  } else {
284
285  }
286  {
287#line 152
288  while (1) {
289    while_continue: /* CIL Label */ ;
290    {
291#line 152
292    tmp___1 = __VERIFIER_nondet_int();
293    }
294#line 152
295    if (tmp___1) {
296
297    } else {
298#line 152
299      goto while_break;
300    }
301    {
302#line 155
303    tmp___0 = __VERIFIER_nondet_int();
304    }
305    {
306#line 157
307    goto switch_default;
308#line 155
309    if (0) {
310      switch_default: /* CIL Label */ 
311#line 157
312      goto switch_break;
313    } else {
314      switch_break: /* CIL Label */ ;
315    }
316    }
317  }
318  while_break: /* CIL Label */ ;
319  }
320  {
321#line 169
322  exit_rc_map_kaiomy();
323  }
324  ldv_final: 
325  {
326#line 172
327  ldv_check_final_state();
328  }
329#line 175
330  return;
331}
332}
333#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
334void ldv_blast_assert(void) 
335{ 
336
337  {
338  ERROR: 
339#line 6
340  goto ERROR;
341}
342}
343#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
344extern int __VERIFIER_nondet_int(void) ;
345#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
346int ldv_mutex  =    1;
347#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
348int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
349{ int nondetermined ;
350
351  {
352#line 29
353  if (ldv_mutex == 1) {
354
355  } else {
356    {
357#line 29
358    ldv_blast_assert();
359    }
360  }
361  {
362#line 32
363  nondetermined = __VERIFIER_nondet_int();
364  }
365#line 35
366  if (nondetermined) {
367#line 38
368    ldv_mutex = 2;
369#line 40
370    return (0);
371  } else {
372#line 45
373    return (-4);
374  }
375}
376}
377#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
378int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
379{ int nondetermined ;
380
381  {
382#line 57
383  if (ldv_mutex == 1) {
384
385  } else {
386    {
387#line 57
388    ldv_blast_assert();
389    }
390  }
391  {
392#line 60
393  nondetermined = __VERIFIER_nondet_int();
394  }
395#line 63
396  if (nondetermined) {
397#line 66
398    ldv_mutex = 2;
399#line 68
400    return (0);
401  } else {
402#line 73
403    return (-4);
404  }
405}
406}
407#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
408int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
409{ int atomic_value_after_dec ;
410
411  {
412#line 83
413  if (ldv_mutex == 1) {
414
415  } else {
416    {
417#line 83
418    ldv_blast_assert();
419    }
420  }
421  {
422#line 86
423  atomic_value_after_dec = __VERIFIER_nondet_int();
424  }
425#line 89
426  if (atomic_value_after_dec == 0) {
427#line 92
428    ldv_mutex = 2;
429#line 94
430    return (1);
431  } else {
432
433  }
434#line 98
435  return (0);
436}
437}
438#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
439void mutex_lock(struct mutex *lock ) 
440{ 
441
442  {
443#line 108
444  if (ldv_mutex == 1) {
445
446  } else {
447    {
448#line 108
449    ldv_blast_assert();
450    }
451  }
452#line 110
453  ldv_mutex = 2;
454#line 111
455  return;
456}
457}
458#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
459int mutex_trylock(struct mutex *lock ) 
460{ int nondetermined ;
461
462  {
463#line 121
464  if (ldv_mutex == 1) {
465
466  } else {
467    {
468#line 121
469    ldv_blast_assert();
470    }
471  }
472  {
473#line 124
474  nondetermined = __VERIFIER_nondet_int();
475  }
476#line 127
477  if (nondetermined) {
478#line 130
479    ldv_mutex = 2;
480#line 132
481    return (1);
482  } else {
483#line 137
484    return (0);
485  }
486}
487}
488#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
489void mutex_unlock(struct mutex *lock ) 
490{ 
491
492  {
493#line 147
494  if (ldv_mutex == 2) {
495
496  } else {
497    {
498#line 147
499    ldv_blast_assert();
500    }
501  }
502#line 149
503  ldv_mutex = 1;
504#line 150
505  return;
506}
507}
508#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
509void ldv_check_final_state(void) 
510{ 
511
512  {
513#line 156
514  if (ldv_mutex == 1) {
515
516  } else {
517    {
518#line 156
519    ldv_blast_assert();
520    }
521  }
522#line 157
523  return;
524}
525}
526#line 184 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12905/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kaiomy.c.common.c"
527long s__builtin_expect(long val , long res ) 
528{ 
529
530  {
531#line 185
532  return (val);
533}
534}