Showing error 423

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-kworld-pc150u.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 352
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 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.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 23 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
138static struct rc_map_table kworld_pc150u[44]  = 
139#line 23 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
140  {      {(u32 )12, (u32 )226}, 
141        {(u32 )22, (u32 )162}, 
142        {(u32 )29, (u32 )356}, 
143        {(u32 )0, (u32 )2}, 
144        {(u32 )1, (u32 )3}, 
145        {(u32 )2, (u32 )4}, 
146        {(u32 )3, (u32 )5}, 
147        {(u32 )4, (u32 )6}, 
148        {(u32 )5, (u32 )7}, 
149        {(u32 )6, (u32 )8}, 
150        {(u32 )7, (u32 )9}, 
151        {(u32 )8, (u32 )10}, 
152        {(u32 )10, (u32 )11}, 
153        {(u32 )9, (u32 )129}, 
154        {(u32 )20, (u32 )113}, 
155        {(u32 )30, (u32 )405}, 
156        {(u32 )23, (u32 )372}, 
157        {(u32 )31, (u32 )172}, 
158        {(u32 )14, (u32 )1}, 
159        {(u32 )32, (u32 )103}, 
160        {(u32 )33, (u32 )108}, 
161        {(u32 )66, (u32 )105}, 
162        {(u32 )67, (u32 )106}, 
163        {(u32 )11, (u32 )28}, 
164        {(u32 )16, (u32 )402}, 
165        {(u32 )17, (u32 )403}, 
166        {(u32 )19, (u32 )115}, 
167        {(u32 )18, (u32 )114}, 
168        {(u32 )25, (u32 )359}, 
169        {(u32 )26, (u32 )128}, 
170        {(u32 )27, (u32 )167}, 
171        {(u32 )75, (u32 )215}, 
172        {(u32 )64, (u32 )168}, 
173        {(u32 )68, (u32 )164}, 
174        {(u32 )65, (u32 )159}, 
175        {(u32 )34, (u32 )388}, 
176        {(u32 )21, (u32 )392}, 
177        {(u32 )15, (u32 )373}, 
178        {(u32 )28, (u32 )99}, 
179        {(u32 )74, (u32 )142}, 
180        {(u32 )72, (u32 )213}, 
181        {(u32 )73, (u32 )401}, 
182        {(u32 )24, (u32 )398}, 
183        {(u32 )35, (u32 )399}};
184#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
185static struct rc_map_list kworld_pc150u_map  =    {{(struct list_head *)0, (struct list_head *)0}, {kworld_pc150u, (unsigned int )(sizeof(kworld_pc150u) / sizeof(kworld_pc150u[0]) + sizeof(struct __anonstruct_220 )),
186                                                     0U, 0U, (u64 )0, "rc-kworld-pc150u",
187                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
188#line 89
189static int init_rc_map_kworld_pc150u(void)  __attribute__((__section__(".init.text"),
190__no_instrument_function__)) ;
191#line 89 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
192static int init_rc_map_kworld_pc150u(void) 
193{ int tmp ;
194
195  {
196  {
197#line 91
198  tmp = rc_map_register(& kworld_pc150u_map);
199  }
200#line 91
201  return (tmp);
202}
203}
204#line 94
205static void exit_rc_map_kworld_pc150u(void)  __attribute__((__section__(".exit.text"),
206__no_instrument_function__)) ;
207#line 94 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
208static void exit_rc_map_kworld_pc150u(void) 
209{ 
210
211  {
212  {
213#line 96
214  rc_map_unregister(& kworld_pc150u_map);
215  }
216#line 97
217  return;
218}
219}
220#line 99 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
221int init_module(void) 
222{ int tmp ;
223
224  {
225  {
226#line 99
227  tmp = init_rc_map_kworld_pc150u();
228  }
229#line 99
230  return (tmp);
231}
232}
233#line 100 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
234void cleanup_module(void) 
235{ 
236
237  {
238  {
239#line 100
240  exit_rc_map_kworld_pc150u();
241  }
242#line 100
243  return;
244}
245}
246#line 102 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
247static char const   __mod_license102[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
248__aligned__(1)))  = 
249#line 102
250  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
251        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
252        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
253#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
254static char const   __mod_author103[51]  __attribute__((__used__, __unused__, __section__(".modinfo"),
255__aligned__(1)))  = 
256#line 103
257  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
258        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'K', 
259        (char const   )'y',      (char const   )'l',      (char const   )'e',      (char const   )' ', 
260        (char const   )'S',      (char const   )'t',      (char const   )'r',      (char const   )'i', 
261        (char const   )'c',      (char const   )'k',      (char const   )'l',      (char const   )'a', 
262        (char const   )'n',      (char const   )'d',      (char const   )' ',      (char const   )'<', 
263        (char const   )'k',      (char const   )'y',      (char const   )'l',      (char const   )'e', 
264        (char const   )'@',      (char const   )'k',      (char const   )'y',      (char const   )'l', 
265        (char const   )'e',      (char const   )'.',      (char const   )'s',      (char const   )'t', 
266        (char const   )'r',      (char const   )'i',      (char const   )'c',      (char const   )'k', 
267        (char const   )'l',      (char const   )'a',      (char const   )'n',      (char const   )'d', 
268        (char const   )'.',      (char const   )'n',      (char const   )'a',      (char const   )'m', 
269        (char const   )'e',      (char const   )'>',      (char const   )'\000'};
270#line 121
271void ldv_check_final_state(void) ;
272#line 127
273extern void ldv_initialize(void) ;
274#line 130
275extern int __VERIFIER_nondet_int(void) ;
276#line 133 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
277int LDV_IN_INTERRUPT  ;
278#line 136 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
279void main(void) 
280{ int tmp ;
281  int tmp___0 ;
282  int tmp___1 ;
283
284  {
285  {
286#line 148
287  LDV_IN_INTERRUPT = 1;
288#line 157
289  ldv_initialize();
290#line 163
291  tmp = init_rc_map_kworld_pc150u();
292  }
293#line 163
294  if (tmp) {
295#line 164
296    goto ldv_final;
297  } else {
298
299  }
300  {
301#line 166
302  while (1) {
303    while_continue: /* CIL Label */ ;
304    {
305#line 166
306    tmp___1 = __VERIFIER_nondet_int();
307    }
308#line 166
309    if (tmp___1) {
310
311    } else {
312#line 166
313      goto while_break;
314    }
315    {
316#line 169
317    tmp___0 = __VERIFIER_nondet_int();
318    }
319    {
320#line 171
321    goto switch_default;
322#line 169
323    if (0) {
324      switch_default: /* CIL Label */ 
325#line 171
326      goto switch_break;
327    } else {
328      switch_break: /* CIL Label */ ;
329    }
330    }
331  }
332  while_break: /* CIL Label */ ;
333  }
334  {
335#line 183
336  exit_rc_map_kworld_pc150u();
337  }
338  ldv_final: 
339  {
340#line 186
341  ldv_check_final_state();
342  }
343#line 189
344  return;
345}
346}
347#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
348void ldv_blast_assert(void) 
349{ 
350
351  {
352  ERROR: 
353#line 6
354  goto ERROR;
355}
356}
357#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
358extern int __VERIFIER_nondet_int(void) ;
359#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
360int ldv_mutex  =    1;
361#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
362int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
363{ int nondetermined ;
364
365  {
366#line 29
367  if (ldv_mutex == 1) {
368
369  } else {
370    {
371#line 29
372    ldv_blast_assert();
373    }
374  }
375  {
376#line 32
377  nondetermined = __VERIFIER_nondet_int();
378  }
379#line 35
380  if (nondetermined) {
381#line 38
382    ldv_mutex = 2;
383#line 40
384    return (0);
385  } else {
386#line 45
387    return (-4);
388  }
389}
390}
391#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
392int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
393{ int nondetermined ;
394
395  {
396#line 57
397  if (ldv_mutex == 1) {
398
399  } else {
400    {
401#line 57
402    ldv_blast_assert();
403    }
404  }
405  {
406#line 60
407  nondetermined = __VERIFIER_nondet_int();
408  }
409#line 63
410  if (nondetermined) {
411#line 66
412    ldv_mutex = 2;
413#line 68
414    return (0);
415  } else {
416#line 73
417    return (-4);
418  }
419}
420}
421#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
422int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
423{ int atomic_value_after_dec ;
424
425  {
426#line 83
427  if (ldv_mutex == 1) {
428
429  } else {
430    {
431#line 83
432    ldv_blast_assert();
433    }
434  }
435  {
436#line 86
437  atomic_value_after_dec = __VERIFIER_nondet_int();
438  }
439#line 89
440  if (atomic_value_after_dec == 0) {
441#line 92
442    ldv_mutex = 2;
443#line 94
444    return (1);
445  } else {
446
447  }
448#line 98
449  return (0);
450}
451}
452#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
453void mutex_lock(struct mutex *lock ) 
454{ 
455
456  {
457#line 108
458  if (ldv_mutex == 1) {
459
460  } else {
461    {
462#line 108
463    ldv_blast_assert();
464    }
465  }
466#line 110
467  ldv_mutex = 2;
468#line 111
469  return;
470}
471}
472#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
473int mutex_trylock(struct mutex *lock ) 
474{ int nondetermined ;
475
476  {
477#line 121
478  if (ldv_mutex == 1) {
479
480  } else {
481    {
482#line 121
483    ldv_blast_assert();
484    }
485  }
486  {
487#line 124
488  nondetermined = __VERIFIER_nondet_int();
489  }
490#line 127
491  if (nondetermined) {
492#line 130
493    ldv_mutex = 2;
494#line 132
495    return (1);
496  } else {
497#line 137
498    return (0);
499  }
500}
501}
502#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
503void mutex_unlock(struct mutex *lock ) 
504{ 
505
506  {
507#line 147
508  if (ldv_mutex == 2) {
509
510  } else {
511    {
512#line 147
513    ldv_blast_assert();
514    }
515  }
516#line 149
517  ldv_mutex = 1;
518#line 150
519  return;
520}
521}
522#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
523void ldv_check_final_state(void) 
524{ 
525
526  {
527#line 156
528  if (ldv_mutex == 1) {
529
530  } else {
531    {
532#line 156
533    ldv_blast_assert();
534    }
535  }
536#line 157
537  return;
538}
539}
540#line 198 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12907/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-kworld-pc150u.c.common.c"
541long s__builtin_expect(long val , long res ) 
542{ 
543
544  {
545#line 199
546  return (val);
547}
548}