Showing error 406

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-encore-enltv.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 360
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 91 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.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 20 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
138static struct rc_map_table encore_enltv[52]  = 
139#line 20 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
140  {      {(u32 )13, (u32 )113}, 
141        {(u32 )30, (u32 )377}, 
142        {(u32 )0, (u32 )393}, 
143        {(u32 )1, (u32 )392}, 
144        {(u32 )2, (u32 )212}, 
145        {(u32 )31, (u32 )2}, 
146        {(u32 )3, (u32 )3}, 
147        {(u32 )4, (u32 )4}, 
148        {(u32 )5, (u32 )5}, 
149        {(u32 )28, (u32 )6}, 
150        {(u32 )6, (u32 )7}, 
151        {(u32 )7, (u32 )8}, 
152        {(u32 )8, (u32 )9}, 
153        {(u32 )29, (u32 )10}, 
154        {(u32 )10, (u32 )11}, 
155        {(u32 )9, (u32 )395}, 
156        {(u32 )11, (u32 )405}, 
157        {(u32 )20, (u32 )102}, 
158        {(u32 )21, (u32 )174}, 
159        {(u32 )22, (u32 )402}, 
160        {(u32 )18, (u32 )403}, 
161        {(u32 )12, (u32 )115}, 
162        {(u32 )23, (u32 )114}, 
163        {(u32 )24, (u32 )28}, 
164        {(u32 )14, (u32 )1}, 
165        {(u32 )19, (u32 )154}, 
166        {(u32 )17, (u32 )15}, 
167        {(u32 )25, (u32 )227}, 
168        {(u32 )26, (u32 )139}, 
169        {(u32 )27, (u32 )372}, 
170        {(u32 )68, (u32 )359}, 
171        {(u32 )64, (u32 )373}, 
172        {(u32 )90, (u32 )167}, 
173        {(u32 )66, (u32 )207}, 
174        {(u32 )69, (u32 )128}, 
175        {(u32 )67, (u32 )212}, 
176        {(u32 )72, (u32 )168}, 
177        {(u32 )74, (u32 )208}, 
178        {(u32 )73, (u32 )412}, 
179        {(u32 )75, (u32 )407}, 
180        {(u32 )76, (u32 )364}, 
181        {(u32 )77, (u32 )213}, 
182        {(u32 )78, (u32 )368}, 
183        {(u32 )79, (u32 )388}, 
184        {(u32 )80, (u32 )142}, 
185        {(u32 )81, (u32 )373}, 
186        {(u32 )82, (u32 )353}, 
187        {(u32 )83, (u32 )388}, 
188        {(u32 )89, (u32 )398}, 
189        {(u32 )65, (u32 )399}, 
190        {(u32 )71, (u32 )400}, 
191        {(u32 )87, (u32 )401}};
192#line 91 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
193static struct rc_map_list encore_enltv_map  =    {{(struct list_head *)0, (struct list_head *)0}, {encore_enltv, (unsigned int )(sizeof(encore_enltv) / sizeof(encore_enltv[0]) + sizeof(struct __anonstruct_220 )),
194                                                     0U, 0U, (u64 )0, "rc-encore-enltv",
195                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
196#line 100
197static int init_rc_map_encore_enltv(void)  __attribute__((__section__(".init.text"),
198__no_instrument_function__)) ;
199#line 100 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
200static int init_rc_map_encore_enltv(void) 
201{ int tmp ;
202
203  {
204  {
205#line 102
206  tmp = rc_map_register(& encore_enltv_map);
207  }
208#line 102
209  return (tmp);
210}
211}
212#line 105
213static void exit_rc_map_encore_enltv(void)  __attribute__((__section__(".exit.text"),
214__no_instrument_function__)) ;
215#line 105 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
216static void exit_rc_map_encore_enltv(void) 
217{ 
218
219  {
220  {
221#line 107
222  rc_map_unregister(& encore_enltv_map);
223  }
224#line 108
225  return;
226}
227}
228#line 110 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
229int init_module(void) 
230{ int tmp ;
231
232  {
233  {
234#line 110
235  tmp = init_rc_map_encore_enltv();
236  }
237#line 110
238  return (tmp);
239}
240}
241#line 111 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
242void cleanup_module(void) 
243{ 
244
245  {
246  {
247#line 111
248  exit_rc_map_encore_enltv();
249  }
250#line 111
251  return;
252}
253}
254#line 113 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
255static char const   __mod_license113[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
256__aligned__(1)))  = 
257#line 113
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 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
262static char const   __mod_author114[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
263__aligned__(1)))  = 
264#line 114
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   )'u',      (char const   )'r',      (char const   )'o', 
268        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
269        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
270        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
271        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
272        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
273        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
274        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
275        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
276        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
277        (char const   )'>',      (char const   )'\000'};
278#line 132
279void ldv_check_final_state(void) ;
280#line 138
281extern void ldv_initialize(void) ;
282#line 141
283extern int __VERIFIER_nondet_int(void) ;
284#line 144 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
285int LDV_IN_INTERRUPT  ;
286#line 147 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
287void main(void) 
288{ int tmp ;
289  int tmp___0 ;
290  int tmp___1 ;
291
292  {
293  {
294#line 159
295  LDV_IN_INTERRUPT = 1;
296#line 168
297  ldv_initialize();
298#line 174
299  tmp = init_rc_map_encore_enltv();
300  }
301#line 174
302  if (tmp) {
303#line 175
304    goto ldv_final;
305  } else {
306
307  }
308  {
309#line 177
310  while (1) {
311    while_continue: /* CIL Label */ ;
312    {
313#line 177
314    tmp___1 = __VERIFIER_nondet_int();
315    }
316#line 177
317    if (tmp___1) {
318
319    } else {
320#line 177
321      goto while_break;
322    }
323    {
324#line 180
325    tmp___0 = __VERIFIER_nondet_int();
326    }
327    {
328#line 182
329    goto switch_default;
330#line 180
331    if (0) {
332      switch_default: /* CIL Label */ 
333#line 182
334      goto switch_break;
335    } else {
336      switch_break: /* CIL Label */ ;
337    }
338    }
339  }
340  while_break: /* CIL Label */ ;
341  }
342  {
343#line 194
344  exit_rc_map_encore_enltv();
345  }
346  ldv_final: 
347  {
348#line 197
349  ldv_check_final_state();
350  }
351#line 200
352  return;
353}
354}
355#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
356void ldv_blast_assert(void) 
357{ 
358
359  {
360  ERROR: 
361#line 6
362  goto ERROR;
363}
364}
365#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
366extern int __VERIFIER_nondet_int(void) ;
367#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
368int ldv_mutex  =    1;
369#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
370int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
371{ int nondetermined ;
372
373  {
374#line 29
375  if (ldv_mutex == 1) {
376
377  } else {
378    {
379#line 29
380    ldv_blast_assert();
381    }
382  }
383  {
384#line 32
385  nondetermined = __VERIFIER_nondet_int();
386  }
387#line 35
388  if (nondetermined) {
389#line 38
390    ldv_mutex = 2;
391#line 40
392    return (0);
393  } else {
394#line 45
395    return (-4);
396  }
397}
398}
399#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
400int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
401{ int nondetermined ;
402
403  {
404#line 57
405  if (ldv_mutex == 1) {
406
407  } else {
408    {
409#line 57
410    ldv_blast_assert();
411    }
412  }
413  {
414#line 60
415  nondetermined = __VERIFIER_nondet_int();
416  }
417#line 63
418  if (nondetermined) {
419#line 66
420    ldv_mutex = 2;
421#line 68
422    return (0);
423  } else {
424#line 73
425    return (-4);
426  }
427}
428}
429#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
430int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
431{ int atomic_value_after_dec ;
432
433  {
434#line 83
435  if (ldv_mutex == 1) {
436
437  } else {
438    {
439#line 83
440    ldv_blast_assert();
441    }
442  }
443  {
444#line 86
445  atomic_value_after_dec = __VERIFIER_nondet_int();
446  }
447#line 89
448  if (atomic_value_after_dec == 0) {
449#line 92
450    ldv_mutex = 2;
451#line 94
452    return (1);
453  } else {
454
455  }
456#line 98
457  return (0);
458}
459}
460#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
461void mutex_lock(struct mutex *lock ) 
462{ 
463
464  {
465#line 108
466  if (ldv_mutex == 1) {
467
468  } else {
469    {
470#line 108
471    ldv_blast_assert();
472    }
473  }
474#line 110
475  ldv_mutex = 2;
476#line 111
477  return;
478}
479}
480#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
481int mutex_trylock(struct mutex *lock ) 
482{ int nondetermined ;
483
484  {
485#line 121
486  if (ldv_mutex == 1) {
487
488  } else {
489    {
490#line 121
491    ldv_blast_assert();
492    }
493  }
494  {
495#line 124
496  nondetermined = __VERIFIER_nondet_int();
497  }
498#line 127
499  if (nondetermined) {
500#line 130
501    ldv_mutex = 2;
502#line 132
503    return (1);
504  } else {
505#line 137
506    return (0);
507  }
508}
509}
510#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
511void mutex_unlock(struct mutex *lock ) 
512{ 
513
514  {
515#line 147
516  if (ldv_mutex == 2) {
517
518  } else {
519    {
520#line 147
521    ldv_blast_assert();
522    }
523  }
524#line 149
525  ldv_mutex = 1;
526#line 150
527  return;
528}
529}
530#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
531void ldv_check_final_state(void) 
532{ 
533
534  {
535#line 156
536  if (ldv_mutex == 1) {
537
538  } else {
539    {
540#line 156
541    ldv_blast_assert();
542    }
543  }
544#line 157
545  return;
546}
547}
548#line 209 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12889/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-encore-enltv.c.common.c"
549long s__builtin_expect(long val , long res ) 
550{ 
551
552  {
553#line 210
554  return (val);
555}
556}