Showing error 435

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-nebula.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 361
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 75 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.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 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
138static struct rc_map_table nebula[55]  = 
139#line 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
140  {      {(u32 )0, (u32 )11}, 
141        {(u32 )1, (u32 )2}, 
142        {(u32 )2, (u32 )3}, 
143        {(u32 )3, (u32 )4}, 
144        {(u32 )4, (u32 )5}, 
145        {(u32 )5, (u32 )6}, 
146        {(u32 )6, (u32 )7}, 
147        {(u32 )7, (u32 )8}, 
148        {(u32 )8, (u32 )9}, 
149        {(u32 )9, (u32 )10}, 
150        {(u32 )10, (u32 )377}, 
151        {(u32 )11, (u32 )390}, 
152        {(u32 )12, (u32 )389}, 
153        {(u32 )13, (u32 )116}, 
154        {(u32 )14, (u32 )212}, 
155        {(u32 )15, (u32 )392}, 
156        {(u32 )16, (u32 )358}, 
157        {(u32 )17, (u32 )183}, 
158        {(u32 )18, (u32 )184}, 
159        {(u32 )19, (u32 )365}, 
160        {(u32 )20, (u32 )174}, 
161        {(u32 )21, (u32 )139}, 
162        {(u32 )22, (u32 )103}, 
163        {(u32 )23, (u32 )108}, 
164        {(u32 )24, (u32 )105}, 
165        {(u32 )25, (u32 )106}, 
166        {(u32 )26, (u32 )28}, 
167        {(u32 )27, (u32 )402}, 
168        {(u32 )28, (u32 )403}, 
169        {(u32 )29, (u32 )115}, 
170        {(u32 )30, (u32 )114}, 
171        {(u32 )31, (u32 )398}, 
172        {(u32 )32, (u32 )399}, 
173        {(u32 )33, (u32 )400}, 
174        {(u32 )34, (u32 )401}, 
175        {(u32 )35, (u32 )370}, 
176        {(u32 )36, (u32 )185}, 
177        {(u32 )37, (u32 )388}, 
178        {(u32 )38, (u32 )113}, 
179        {(u32 )39, (u32 )168}, 
180        {(u32 )40, (u32 )128}, 
181        {(u32 )41, (u32 )207}, 
182        {(u32 )42, (u32 )208}, 
183        {(u32 )43, (u32 )186}, 
184        {(u32 )44, (u32 )119}, 
185        {(u32 )45, (u32 )207}, 
186        {(u32 )46, (u32 )167}, 
187        {(u32 )47, (u32 )187}, 
188        {(u32 )48, (u32 )78}, 
189        {(u32 )49, (u32 )74}, 
190        {(u32 )50, (u32 )188}, 
191        {(u32 )51, (u32 )189}, 
192        {(u32 )52, (u32 )215}, 
193        {(u32 )53, (u32 )169}, 
194        {(u32 )54, (u32 )376}};
195#line 75 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
196static struct rc_map_list nebula_map  =    {{(struct list_head *)0, (struct list_head *)0}, {nebula, (unsigned int )(sizeof(nebula) / sizeof(nebula[0]) + sizeof(struct __anonstruct_220 )),
197                                                     0U, 0U, (u64 )0, "rc-nebula",
198                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
199#line 84
200static int init_rc_map_nebula(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
201#line 84 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
202static int init_rc_map_nebula(void) 
203{ int tmp ;
204
205  {
206  {
207#line 86
208  tmp = rc_map_register(& nebula_map);
209  }
210#line 86
211  return (tmp);
212}
213}
214#line 89
215static void exit_rc_map_nebula(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
216#line 89 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
217static void exit_rc_map_nebula(void) 
218{ 
219
220  {
221  {
222#line 91
223  rc_map_unregister(& nebula_map);
224  }
225#line 92
226  return;
227}
228}
229#line 94 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
230int init_module(void) 
231{ int tmp ;
232
233  {
234  {
235#line 94
236  tmp = init_rc_map_nebula();
237  }
238#line 94
239  return (tmp);
240}
241}
242#line 95 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
243void cleanup_module(void) 
244{ 
245
246  {
247  {
248#line 95
249  exit_rc_map_nebula();
250  }
251#line 95
252  return;
253}
254}
255#line 97 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
256static char const   __mod_license97[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
257__aligned__(1)))  = 
258#line 97
259  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
260        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
261        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
262#line 98 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
263static char const   __mod_author98[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
264__aligned__(1)))  = 
265#line 98
266  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
267        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
268        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
269        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
270        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
271        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
272        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
273        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
274        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
275        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
276        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
277        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
278        (char const   )'>',      (char const   )'\000'};
279#line 116
280void ldv_check_final_state(void) ;
281#line 122
282extern void ldv_initialize(void) ;
283#line 125
284extern int __VERIFIER_nondet_int(void) ;
285#line 128 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
286int LDV_IN_INTERRUPT  ;
287#line 131 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
288void main(void) 
289{ int tmp ;
290  int tmp___0 ;
291  int tmp___1 ;
292
293  {
294  {
295#line 143
296  LDV_IN_INTERRUPT = 1;
297#line 152
298  ldv_initialize();
299#line 158
300  tmp = init_rc_map_nebula();
301  }
302#line 158
303  if (tmp) {
304#line 159
305    goto ldv_final;
306  } else {
307
308  }
309  {
310#line 161
311  while (1) {
312    while_continue: /* CIL Label */ ;
313    {
314#line 161
315    tmp___1 = __VERIFIER_nondet_int();
316    }
317#line 161
318    if (tmp___1) {
319
320    } else {
321#line 161
322      goto while_break;
323    }
324    {
325#line 164
326    tmp___0 = __VERIFIER_nondet_int();
327    }
328    {
329#line 166
330    goto switch_default;
331#line 164
332    if (0) {
333      switch_default: /* CIL Label */ 
334#line 166
335      goto switch_break;
336    } else {
337      switch_break: /* CIL Label */ ;
338    }
339    }
340  }
341  while_break: /* CIL Label */ ;
342  }
343  {
344#line 178
345  exit_rc_map_nebula();
346  }
347  ldv_final: 
348  {
349#line 181
350  ldv_check_final_state();
351  }
352#line 184
353  return;
354}
355}
356#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
357void ldv_blast_assert(void) 
358{ 
359
360  {
361  ERROR: 
362#line 6
363  goto ERROR;
364}
365}
366#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
367extern int __VERIFIER_nondet_int(void) ;
368#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
369int ldv_mutex  =    1;
370#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
371int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
372{ int nondetermined ;
373
374  {
375#line 29
376  if (ldv_mutex == 1) {
377
378  } else {
379    {
380#line 29
381    ldv_blast_assert();
382    }
383  }
384  {
385#line 32
386  nondetermined = __VERIFIER_nondet_int();
387  }
388#line 35
389  if (nondetermined) {
390#line 38
391    ldv_mutex = 2;
392#line 40
393    return (0);
394  } else {
395#line 45
396    return (-4);
397  }
398}
399}
400#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
401int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
402{ int nondetermined ;
403
404  {
405#line 57
406  if (ldv_mutex == 1) {
407
408  } else {
409    {
410#line 57
411    ldv_blast_assert();
412    }
413  }
414  {
415#line 60
416  nondetermined = __VERIFIER_nondet_int();
417  }
418#line 63
419  if (nondetermined) {
420#line 66
421    ldv_mutex = 2;
422#line 68
423    return (0);
424  } else {
425#line 73
426    return (-4);
427  }
428}
429}
430#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
431int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
432{ int atomic_value_after_dec ;
433
434  {
435#line 83
436  if (ldv_mutex == 1) {
437
438  } else {
439    {
440#line 83
441    ldv_blast_assert();
442    }
443  }
444  {
445#line 86
446  atomic_value_after_dec = __VERIFIER_nondet_int();
447  }
448#line 89
449  if (atomic_value_after_dec == 0) {
450#line 92
451    ldv_mutex = 2;
452#line 94
453    return (1);
454  } else {
455
456  }
457#line 98
458  return (0);
459}
460}
461#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
462void mutex_lock(struct mutex *lock ) 
463{ 
464
465  {
466#line 108
467  if (ldv_mutex == 1) {
468
469  } else {
470    {
471#line 108
472    ldv_blast_assert();
473    }
474  }
475#line 110
476  ldv_mutex = 2;
477#line 111
478  return;
479}
480}
481#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
482int mutex_trylock(struct mutex *lock ) 
483{ int nondetermined ;
484
485  {
486#line 121
487  if (ldv_mutex == 1) {
488
489  } else {
490    {
491#line 121
492    ldv_blast_assert();
493    }
494  }
495  {
496#line 124
497  nondetermined = __VERIFIER_nondet_int();
498  }
499#line 127
500  if (nondetermined) {
501#line 130
502    ldv_mutex = 2;
503#line 132
504    return (1);
505  } else {
506#line 137
507    return (0);
508  }
509}
510}
511#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
512void mutex_unlock(struct mutex *lock ) 
513{ 
514
515  {
516#line 147
517  if (ldv_mutex == 2) {
518
519  } else {
520    {
521#line 147
522    ldv_blast_assert();
523    }
524  }
525#line 149
526  ldv_mutex = 1;
527#line 150
528  return;
529}
530}
531#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
532void ldv_check_final_state(void) 
533{ 
534
535  {
536#line 156
537  if (ldv_mutex == 1) {
538
539  } else {
540    {
541#line 156
542    ldv_blast_assert();
543    }
544  }
545#line 157
546  return;
547}
548}
549#line 193 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12918/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-nebula.c.common.c"
550long s__builtin_expect(long val , long res ) 
551{ 
552
553  {
554#line 194
555  return (val);
556}
557}