Showing error 389

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-avermedia-rm-ks.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 332
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/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.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 28 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
138static struct rc_map_table avermedia_rm_ks[27]  = 
139#line 28 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
140  {      {(u32 )1281, (u32 )356}, 
141        {(u32 )1282, (u32 )402}, 
142        {(u32 )1283, (u32 )403}, 
143        {(u32 )1284, (u32 )115}, 
144        {(u32 )1285, (u32 )114}, 
145        {(u32 )1286, (u32 )113}, 
146        {(u32 )1287, (u32 )106}, 
147        {(u32 )1288, (u32 )398}, 
148        {(u32 )1289, (u32 )2}, 
149        {(u32 )1290, (u32 )3}, 
150        {(u32 )1291, (u32 )4}, 
151        {(u32 )1292, (u32 )5}, 
152        {(u32 )1293, (u32 )6}, 
153        {(u32 )1294, (u32 )7}, 
154        {(u32 )1295, (u32 )8}, 
155        {(u32 )1296, (u32 )9}, 
156        {(u32 )1297, (u32 )10}, 
157        {(u32 )1298, (u32 )11}, 
158        {(u32 )1299, (u32 )392}, 
159        {(u32 )1301, (u32 )365}, 
160        {(u32 )1302, (u32 )207}, 
161        {(u32 )1303, (u32 )167}, 
162        {(u32 )1304, (u32 )128}, 
163        {(u32 )1308, (u32 )158}, 
164        {(u32 )1309, (u32 )159}, 
165        {(u32 )1357, (u32 )105}, 
166        {(u32 )1366, (u32 )372}};
167#line 58 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
168static struct rc_map_list avermedia_rm_ks_map  =    {{(struct list_head *)0, (struct list_head *)0}, {avermedia_rm_ks, (unsigned int )(sizeof(avermedia_rm_ks) / sizeof(avermedia_rm_ks[0]) + sizeof(struct __anonstruct_220 )),
169                                                     0U, 0U, (u64 )(1 << 1), "rc-avermedia-rm-ks",
170                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
171#line 67
172static int init_rc_map_avermedia_rm_ks(void)  __attribute__((__section__(".init.text"),
173__no_instrument_function__)) ;
174#line 67 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
175static int init_rc_map_avermedia_rm_ks(void) 
176{ int tmp ;
177
178  {
179  {
180#line 69
181  tmp = rc_map_register(& avermedia_rm_ks_map);
182  }
183#line 69
184  return (tmp);
185}
186}
187#line 72
188static void exit_rc_map_avermedia_rm_ks(void)  __attribute__((__section__(".exit.text"),
189__no_instrument_function__)) ;
190#line 72 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
191static void exit_rc_map_avermedia_rm_ks(void) 
192{ 
193
194  {
195  {
196#line 74
197  rc_map_unregister(& avermedia_rm_ks_map);
198  }
199#line 75
200  return;
201}
202}
203#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
204int init_module(void) 
205{ int tmp ;
206
207  {
208  {
209#line 77
210  tmp = init_rc_map_avermedia_rm_ks();
211  }
212#line 77
213  return (tmp);
214}
215}
216#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
217void cleanup_module(void) 
218{ 
219
220  {
221  {
222#line 78
223  exit_rc_map_avermedia_rm_ks();
224  }
225#line 78
226  return;
227}
228}
229#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
230static char const   __mod_license80[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
231__aligned__(1)))  = 
232#line 80
233  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
234        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
235        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
236#line 81 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
237static char const   __mod_author81[38]  __attribute__((__used__, __unused__, __section__(".modinfo"),
238__aligned__(1)))  = 
239#line 81
240  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
241        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
242        (char const   )'n',      (char const   )'t',      (char const   )'t',      (char const   )'i', 
243        (char const   )' ',      (char const   )'P',      (char const   )'a',      (char const   )'l', 
244        (char const   )'o',      (char const   )'s',      (char const   )'a',      (char const   )'a', 
245        (char const   )'r',      (char const   )'i',      (char const   )' ',      (char const   )'<', 
246        (char const   )'c',      (char const   )'r',      (char const   )'o',      (char const   )'p', 
247        (char const   )'e',      (char const   )'@',      (char const   )'i',      (char const   )'k', 
248        (char const   )'i',      (char const   )'.',      (char const   )'f',      (char const   )'i', 
249        (char const   )'>',      (char const   )'\000'};
250#line 99
251void ldv_check_final_state(void) ;
252#line 105
253extern void ldv_initialize(void) ;
254#line 108
255extern int __VERIFIER_nondet_int(void) ;
256#line 111 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
257int LDV_IN_INTERRUPT  ;
258#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
259void main(void) 
260{ int tmp ;
261  int tmp___0 ;
262  int tmp___1 ;
263
264  {
265  {
266#line 126
267  LDV_IN_INTERRUPT = 1;
268#line 135
269  ldv_initialize();
270#line 141
271  tmp = init_rc_map_avermedia_rm_ks();
272  }
273#line 141
274  if (tmp) {
275#line 142
276    goto ldv_final;
277  } else {
278
279  }
280  {
281#line 144
282  while (1) {
283    while_continue: /* CIL Label */ ;
284    {
285#line 144
286    tmp___1 = __VERIFIER_nondet_int();
287    }
288#line 144
289    if (tmp___1) {
290
291    } else {
292#line 144
293      goto while_break;
294    }
295    {
296#line 147
297    tmp___0 = __VERIFIER_nondet_int();
298    }
299    {
300#line 149
301    goto switch_default;
302#line 147
303    if (0) {
304      switch_default: /* CIL Label */ 
305#line 149
306      goto switch_break;
307    } else {
308      switch_break: /* CIL Label */ ;
309    }
310    }
311  }
312  while_break: /* CIL Label */ ;
313  }
314  {
315#line 161
316  exit_rc_map_avermedia_rm_ks();
317  }
318  ldv_final: 
319  {
320#line 164
321  ldv_check_final_state();
322  }
323#line 167
324  return;
325}
326}
327#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
328void ldv_blast_assert(void) 
329{ 
330
331  {
332  ERROR: 
333#line 6
334  goto ERROR;
335}
336}
337#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
338extern int __VERIFIER_nondet_int(void) ;
339#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
340int ldv_mutex  =    1;
341#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
342int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
343{ int nondetermined ;
344
345  {
346#line 29
347  if (ldv_mutex == 1) {
348
349  } else {
350    {
351#line 29
352    ldv_blast_assert();
353    }
354  }
355  {
356#line 32
357  nondetermined = __VERIFIER_nondet_int();
358  }
359#line 35
360  if (nondetermined) {
361#line 38
362    ldv_mutex = 2;
363#line 40
364    return (0);
365  } else {
366#line 45
367    return (-4);
368  }
369}
370}
371#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
372int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
373{ int nondetermined ;
374
375  {
376#line 57
377  if (ldv_mutex == 1) {
378
379  } else {
380    {
381#line 57
382    ldv_blast_assert();
383    }
384  }
385  {
386#line 60
387  nondetermined = __VERIFIER_nondet_int();
388  }
389#line 63
390  if (nondetermined) {
391#line 66
392    ldv_mutex = 2;
393#line 68
394    return (0);
395  } else {
396#line 73
397    return (-4);
398  }
399}
400}
401#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
402int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
403{ int atomic_value_after_dec ;
404
405  {
406#line 83
407  if (ldv_mutex == 1) {
408
409  } else {
410    {
411#line 83
412    ldv_blast_assert();
413    }
414  }
415  {
416#line 86
417  atomic_value_after_dec = __VERIFIER_nondet_int();
418  }
419#line 89
420  if (atomic_value_after_dec == 0) {
421#line 92
422    ldv_mutex = 2;
423#line 94
424    return (1);
425  } else {
426
427  }
428#line 98
429  return (0);
430}
431}
432#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
433void mutex_lock(struct mutex *lock ) 
434{ 
435
436  {
437#line 108
438  if (ldv_mutex == 1) {
439
440  } else {
441    {
442#line 108
443    ldv_blast_assert();
444    }
445  }
446#line 110
447  ldv_mutex = 2;
448#line 111
449  return;
450}
451}
452#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
453int mutex_trylock(struct mutex *lock ) 
454{ int nondetermined ;
455
456  {
457#line 121
458  if (ldv_mutex == 1) {
459
460  } else {
461    {
462#line 121
463    ldv_blast_assert();
464    }
465  }
466  {
467#line 124
468  nondetermined = __VERIFIER_nondet_int();
469  }
470#line 127
471  if (nondetermined) {
472#line 130
473    ldv_mutex = 2;
474#line 132
475    return (1);
476  } else {
477#line 137
478    return (0);
479  }
480}
481}
482#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
483void mutex_unlock(struct mutex *lock ) 
484{ 
485
486  {
487#line 147
488  if (ldv_mutex == 2) {
489
490  } else {
491    {
492#line 147
493    ldv_blast_assert();
494    }
495  }
496#line 149
497  ldv_mutex = 1;
498#line 150
499  return;
500}
501}
502#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
503void ldv_check_final_state(void) 
504{ 
505
506  {
507#line 156
508  if (ldv_mutex == 1) {
509
510  } else {
511    {
512#line 156
513    ldv_blast_assert();
514    }
515  }
516#line 157
517  return;
518}
519}
520#line 176 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12871/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-avermedia-rm-ks.c.common.c"
521long s__builtin_expect(long val , long res ) 
522{ 
523
524  {
525#line 177
526  return (val);
527}
528}