Showing error 468

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-videomate-tv-pvr.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 345
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/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.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/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
138static struct rc_map_table videomate_tv_pvr[37]  = 
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/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
140  {      {(u32 )20, (u32 )113}, 
141        {(u32 )36, (u32 )372}, 
142        {(u32 )1, (u32 )389}, 
143        {(u32 )35, (u32 )385}, 
144        {(u32 )0, (u32 )377}, 
145        {(u32 )10, (u32 )168}, 
146        {(u32 )8, (u32 )164}, 
147        {(u32 )15, (u32 )159}, 
148        {(u32 )2, (u32 )412}, 
149        {(u32 )7, (u32 )128}, 
150        {(u32 )6, (u32 )407}, 
151        {(u32 )12, (u32 )103}, 
152        {(u32 )14, (u32 )108}, 
153        {(u32 )11, (u32 )105}, 
154        {(u32 )13, (u32 )106}, 
155        {(u32 )17, (u32 )352}, 
156        {(u32 )3, (u32 )139}, 
157        {(u32 )9, (u32 )141}, 
158        {(u32 )5, (u32 )393}, 
159        {(u32 )34, (u32 )363}, 
160        {(u32 )18, (u32 )115}, 
161        {(u32 )21, (u32 )114}, 
162        {(u32 )16, (u32 )402}, 
163        {(u32 )19, (u32 )403}, 
164        {(u32 )4, (u32 )167}, 
165        {(u32 )22, (u32 )2}, 
166        {(u32 )23, (u32 )3}, 
167        {(u32 )24, (u32 )4}, 
168        {(u32 )25, (u32 )5}, 
169        {(u32 )26, (u32 )6}, 
170        {(u32 )27, (u32 )7}, 
171        {(u32 )28, (u32 )8}, 
172        {(u32 )29, (u32 )9}, 
173        {(u32 )30, (u32 )10}, 
174        {(u32 )31, (u32 )11}, 
175        {(u32 )32, (u32 )368}, 
176        {(u32 )33, (u32 )142}};
177#line 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
178static struct rc_map_list videomate_tv_pvr_map  =    {{(struct list_head *)0, (struct list_head *)0}, {videomate_tv_pvr, (unsigned int )(sizeof(videomate_tv_pvr) / sizeof(videomate_tv_pvr[0]) + sizeof(struct __anonstruct_220 )),
179                                                     0U, 0U, (u64 )0, "rc-videomate-tv-pvr",
180                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
181#line 75
182static int init_rc_map_videomate_tv_pvr(void)  __attribute__((__section__(".init.text"),
183__no_instrument_function__)) ;
184#line 75 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
185static int init_rc_map_videomate_tv_pvr(void) 
186{ int tmp ;
187
188  {
189  {
190#line 77
191  tmp = rc_map_register(& videomate_tv_pvr_map);
192  }
193#line 77
194  return (tmp);
195}
196}
197#line 80
198static void exit_rc_map_videomate_tv_pvr(void)  __attribute__((__section__(".exit.text"),
199__no_instrument_function__)) ;
200#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
201static void exit_rc_map_videomate_tv_pvr(void) 
202{ 
203
204  {
205  {
206#line 82
207  rc_map_unregister(& videomate_tv_pvr_map);
208  }
209#line 83
210  return;
211}
212}
213#line 85 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
214int init_module(void) 
215{ int tmp ;
216
217  {
218  {
219#line 85
220  tmp = init_rc_map_videomate_tv_pvr();
221  }
222#line 85
223  return (tmp);
224}
225}
226#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
227void cleanup_module(void) 
228{ 
229
230  {
231  {
232#line 86
233  exit_rc_map_videomate_tv_pvr();
234  }
235#line 86
236  return;
237}
238}
239#line 88 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
240static char const   __mod_license88[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
241__aligned__(1)))  = 
242#line 88
243  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
244        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
245        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
246#line 89 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
247static char const   __mod_author89[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
248__aligned__(1)))  = 
249#line 89
250  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
251        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
252        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
253        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
254        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
255        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
256        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
257        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
258        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
259        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
260        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
261        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
262        (char const   )'>',      (char const   )'\000'};
263#line 107
264void ldv_check_final_state(void) ;
265#line 113
266extern void ldv_initialize(void) ;
267#line 116
268extern int __VERIFIER_nondet_int(void) ;
269#line 119 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
270int LDV_IN_INTERRUPT  ;
271#line 122 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
272void main(void) 
273{ int tmp ;
274  int tmp___0 ;
275  int tmp___1 ;
276
277  {
278  {
279#line 134
280  LDV_IN_INTERRUPT = 1;
281#line 143
282  ldv_initialize();
283#line 149
284  tmp = init_rc_map_videomate_tv_pvr();
285  }
286#line 149
287  if (tmp) {
288#line 150
289    goto ldv_final;
290  } else {
291
292  }
293  {
294#line 152
295  while (1) {
296    while_continue: /* CIL Label */ ;
297    {
298#line 152
299    tmp___1 = __VERIFIER_nondet_int();
300    }
301#line 152
302    if (tmp___1) {
303
304    } else {
305#line 152
306      goto while_break;
307    }
308    {
309#line 155
310    tmp___0 = __VERIFIER_nondet_int();
311    }
312    {
313#line 157
314    goto switch_default;
315#line 155
316    if (0) {
317      switch_default: /* CIL Label */ 
318#line 157
319      goto switch_break;
320    } else {
321      switch_break: /* CIL Label */ ;
322    }
323    }
324  }
325  while_break: /* CIL Label */ ;
326  }
327  {
328#line 169
329  exit_rc_map_videomate_tv_pvr();
330  }
331  ldv_final: 
332  {
333#line 172
334  ldv_check_final_state();
335  }
336#line 175
337  return;
338}
339}
340#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
341void ldv_blast_assert(void) 
342{ 
343
344  {
345  ERROR: 
346#line 6
347  goto ERROR;
348}
349}
350#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
351extern int __VERIFIER_nondet_int(void) ;
352#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
353int ldv_mutex  =    1;
354#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
355int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
356{ int nondetermined ;
357
358  {
359#line 29
360  if (ldv_mutex == 1) {
361
362  } else {
363    {
364#line 29
365    ldv_blast_assert();
366    }
367  }
368  {
369#line 32
370  nondetermined = __VERIFIER_nondet_int();
371  }
372#line 35
373  if (nondetermined) {
374#line 38
375    ldv_mutex = 2;
376#line 40
377    return (0);
378  } else {
379#line 45
380    return (-4);
381  }
382}
383}
384#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
385int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
386{ int nondetermined ;
387
388  {
389#line 57
390  if (ldv_mutex == 1) {
391
392  } else {
393    {
394#line 57
395    ldv_blast_assert();
396    }
397  }
398  {
399#line 60
400  nondetermined = __VERIFIER_nondet_int();
401  }
402#line 63
403  if (nondetermined) {
404#line 66
405    ldv_mutex = 2;
406#line 68
407    return (0);
408  } else {
409#line 73
410    return (-4);
411  }
412}
413}
414#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
415int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
416{ int atomic_value_after_dec ;
417
418  {
419#line 83
420  if (ldv_mutex == 1) {
421
422  } else {
423    {
424#line 83
425    ldv_blast_assert();
426    }
427  }
428  {
429#line 86
430  atomic_value_after_dec = __VERIFIER_nondet_int();
431  }
432#line 89
433  if (atomic_value_after_dec == 0) {
434#line 92
435    ldv_mutex = 2;
436#line 94
437    return (1);
438  } else {
439
440  }
441#line 98
442  return (0);
443}
444}
445#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
446void mutex_lock(struct mutex *lock ) 
447{ 
448
449  {
450#line 108
451  if (ldv_mutex == 1) {
452
453  } else {
454    {
455#line 108
456    ldv_blast_assert();
457    }
458  }
459#line 110
460  ldv_mutex = 2;
461#line 111
462  return;
463}
464}
465#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
466int mutex_trylock(struct mutex *lock ) 
467{ int nondetermined ;
468
469  {
470#line 121
471  if (ldv_mutex == 1) {
472
473  } else {
474    {
475#line 121
476    ldv_blast_assert();
477    }
478  }
479  {
480#line 124
481  nondetermined = __VERIFIER_nondet_int();
482  }
483#line 127
484  if (nondetermined) {
485#line 130
486    ldv_mutex = 2;
487#line 132
488    return (1);
489  } else {
490#line 137
491    return (0);
492  }
493}
494}
495#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
496void mutex_unlock(struct mutex *lock ) 
497{ 
498
499  {
500#line 147
501  if (ldv_mutex == 2) {
502
503  } else {
504    {
505#line 147
506    ldv_blast_assert();
507    }
508  }
509#line 149
510  ldv_mutex = 1;
511#line 150
512  return;
513}
514}
515#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
516void ldv_check_final_state(void) 
517{ 
518
519  {
520#line 156
521  if (ldv_mutex == 1) {
522
523  } else {
524    {
525#line 156
526    ldv_blast_assert();
527    }
528  }
529#line 157
530  return;
531}
532}
533#line 184 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12951/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-videomate-tv-pvr.c.common.c"
534long s__builtin_expect(long val , long res ) 
535{ 
536
537  {
538#line 185
539  return (val);
540}
541}