Showing error 465

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-twinhan1027.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 359
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/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.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 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
138static struct rc_map_table twinhan_vp1027[53]  = 
139#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
140  {      {(u32 )22, (u32 )356}, 
141        {(u32 )23, (u32 )364}, 
142        {(u32 )15, (u32 )388}, 
143        {(u32 )72, (u32 )358}, 
144        {(u32 )28, (u32 )365}, 
145        {(u32 )4, (u32 )395}, 
146        {(u32 )3, (u32 )2}, 
147        {(u32 )1, (u32 )3}, 
148        {(u32 )6, (u32 )4}, 
149        {(u32 )9, (u32 )5}, 
150        {(u32 )29, (u32 )6}, 
151        {(u32 )31, (u32 )7}, 
152        {(u32 )13, (u32 )8}, 
153        {(u32 )25, (u32 )9}, 
154        {(u32 )27, (u32 )10}, 
155        {(u32 )21, (u32 )11}, 
156        {(u32 )12, (u32 )223}, 
157        {(u32 )74, (u32 )355}, 
158        {(u32 )19, (u32 )14}, 
159        {(u32 )0, (u32 )15}, 
160        {(u32 )75, (u32 )103}, 
161        {(u32 )81, (u32 )108}, 
162        {(u32 )78, (u32 )105}, 
163        {(u32 )82, (u32 )106}, 
164        {(u32 )79, (u32 )28}, 
165        {(u32 )30, (u32 )115}, 
166        {(u32 )10, (u32 )114}, 
167        {(u32 )2, (u32 )403}, 
168        {(u32 )5, (u32 )402}, 
169        {(u32 )17, (u32 )167}, 
170        {(u32 )20, (u32 )207}, 
171        {(u32 )76, (u32 )119}, 
172        {(u32 )26, (u32 )128}, 
173        {(u32 )64, (u32 )168}, 
174        {(u32 )18, (u32 )208}, 
175        {(u32 )65, (u32 )165}, 
176        {(u32 )66, (u32 )163}, 
177        {(u32 )84, (u32 )234}, 
178        {(u32 )80, (u32 )368}, 
179        {(u32 )71, (u32 )226}, 
180        {(u32 )77, (u32 )375}, 
181        {(u32 )67, (u32 )370}, 
182        {(u32 )16, (u32 )113}, 
183        {(u32 )73, (u32 )392}, 
184        {(u32 )7, (u32 )142}, 
185        {(u32 )8, (u32 )393}, 
186        {(u32 )14, (u32 )129}, 
187        {(u32 )69, (u32 )13}, 
188        {(u32 )70, (u32 )12}, 
189        {(u32 )24, (u32 )398}, 
190        {(u32 )83, (u32 )399}, 
191        {(u32 )94, (u32 )400}, 
192        {(u32 )95, (u32 )401}};
193#line 66 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
194static struct rc_map_list twinhan_vp1027_map  =    {{(struct list_head *)0, (struct list_head *)0}, {twinhan_vp1027, (unsigned int )(sizeof(twinhan_vp1027) / sizeof(twinhan_vp1027[0]) + sizeof(struct __anonstruct_220 )),
195                                                     0U, 0U, (u64 )0, "rc-twinhan1027",
196                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
197#line 75
198static int init_rc_map_twinhan_vp1027(void)  __attribute__((__section__(".init.text"),
199__no_instrument_function__)) ;
200#line 75 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
201static int init_rc_map_twinhan_vp1027(void) 
202{ int tmp ;
203
204  {
205  {
206#line 77
207  tmp = rc_map_register(& twinhan_vp1027_map);
208  }
209#line 77
210  return (tmp);
211}
212}
213#line 80
214static void exit_rc_map_twinhan_vp1027(void)  __attribute__((__section__(".exit.text"),
215__no_instrument_function__)) ;
216#line 80 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
217static void exit_rc_map_twinhan_vp1027(void) 
218{ 
219
220  {
221  {
222#line 82
223  rc_map_unregister(& twinhan_vp1027_map);
224  }
225#line 83
226  return;
227}
228}
229#line 85 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
230int init_module(void) 
231{ int tmp ;
232
233  {
234  {
235#line 85
236  tmp = init_rc_map_twinhan_vp1027();
237  }
238#line 85
239  return (tmp);
240}
241}
242#line 86 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
243void cleanup_module(void) 
244{ 
245
246  {
247  {
248#line 86
249  exit_rc_map_twinhan_vp1027();
250  }
251#line 86
252  return;
253}
254}
255#line 88 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
256static char const   __mod_license88[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
257__aligned__(1)))  = 
258#line 88
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 89 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
263static char const   __mod_author89[41]  __attribute__((__used__, __unused__, __section__(".modinfo"),
264__aligned__(1)))  = 
265#line 89
266  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
267        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'S', 
268        (char const   )'e',      (char const   )'r',      (char const   )'g',      (char const   )'e', 
269        (char const   )'y',      (char const   )' ',      (char const   )'I',      (char const   )'v', 
270        (char const   )'a',      (char const   )'n',      (char const   )'o',      (char const   )'v', 
271        (char const   )' ',      (char const   )'<',      (char const   )'1',      (char const   )'2', 
272        (char const   )'3',      (char const   )'k',      (char const   )'a',      (char const   )'s', 
273        (char const   )'h',      (char const   )'@',      (char const   )'g',      (char const   )'m', 
274        (char const   )'a',      (char const   )'i',      (char const   )'l',      (char const   )'.', 
275        (char const   )'c',      (char const   )'o',      (char const   )'m',      (char const   )'>', 
276        (char const   )'\000'};
277#line 107
278void ldv_check_final_state(void) ;
279#line 113
280extern void ldv_initialize(void) ;
281#line 116
282extern int __VERIFIER_nondet_int(void) ;
283#line 119 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
284int LDV_IN_INTERRUPT  ;
285#line 122 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
286void main(void) 
287{ int tmp ;
288  int tmp___0 ;
289  int tmp___1 ;
290
291  {
292  {
293#line 134
294  LDV_IN_INTERRUPT = 1;
295#line 143
296  ldv_initialize();
297#line 149
298  tmp = init_rc_map_twinhan_vp1027();
299  }
300#line 149
301  if (tmp) {
302#line 150
303    goto ldv_final;
304  } else {
305
306  }
307  {
308#line 152
309  while (1) {
310    while_continue: /* CIL Label */ ;
311    {
312#line 152
313    tmp___1 = __VERIFIER_nondet_int();
314    }
315#line 152
316    if (tmp___1) {
317
318    } else {
319#line 152
320      goto while_break;
321    }
322    {
323#line 155
324    tmp___0 = __VERIFIER_nondet_int();
325    }
326    {
327#line 157
328    goto switch_default;
329#line 155
330    if (0) {
331      switch_default: /* CIL Label */ 
332#line 157
333      goto switch_break;
334    } else {
335      switch_break: /* CIL Label */ ;
336    }
337    }
338  }
339  while_break: /* CIL Label */ ;
340  }
341  {
342#line 169
343  exit_rc_map_twinhan_vp1027();
344  }
345  ldv_final: 
346  {
347#line 172
348  ldv_check_final_state();
349  }
350#line 175
351  return;
352}
353}
354#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
355void ldv_blast_assert(void) 
356{ 
357
358  {
359  ERROR: 
360#line 6
361  goto ERROR;
362}
363}
364#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
365extern int __VERIFIER_nondet_int(void) ;
366#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
367int ldv_mutex  =    1;
368#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
369int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
370{ int nondetermined ;
371
372  {
373#line 29
374  if (ldv_mutex == 1) {
375
376  } else {
377    {
378#line 29
379    ldv_blast_assert();
380    }
381  }
382  {
383#line 32
384  nondetermined = __VERIFIER_nondet_int();
385  }
386#line 35
387  if (nondetermined) {
388#line 38
389    ldv_mutex = 2;
390#line 40
391    return (0);
392  } else {
393#line 45
394    return (-4);
395  }
396}
397}
398#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
399int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
400{ int nondetermined ;
401
402  {
403#line 57
404  if (ldv_mutex == 1) {
405
406  } else {
407    {
408#line 57
409    ldv_blast_assert();
410    }
411  }
412  {
413#line 60
414  nondetermined = __VERIFIER_nondet_int();
415  }
416#line 63
417  if (nondetermined) {
418#line 66
419    ldv_mutex = 2;
420#line 68
421    return (0);
422  } else {
423#line 73
424    return (-4);
425  }
426}
427}
428#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
429int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
430{ int atomic_value_after_dec ;
431
432  {
433#line 83
434  if (ldv_mutex == 1) {
435
436  } else {
437    {
438#line 83
439    ldv_blast_assert();
440    }
441  }
442  {
443#line 86
444  atomic_value_after_dec = __VERIFIER_nondet_int();
445  }
446#line 89
447  if (atomic_value_after_dec == 0) {
448#line 92
449    ldv_mutex = 2;
450#line 94
451    return (1);
452  } else {
453
454  }
455#line 98
456  return (0);
457}
458}
459#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
460void mutex_lock(struct mutex *lock ) 
461{ 
462
463  {
464#line 108
465  if (ldv_mutex == 1) {
466
467  } else {
468    {
469#line 108
470    ldv_blast_assert();
471    }
472  }
473#line 110
474  ldv_mutex = 2;
475#line 111
476  return;
477}
478}
479#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
480int mutex_trylock(struct mutex *lock ) 
481{ int nondetermined ;
482
483  {
484#line 121
485  if (ldv_mutex == 1) {
486
487  } else {
488    {
489#line 121
490    ldv_blast_assert();
491    }
492  }
493  {
494#line 124
495  nondetermined = __VERIFIER_nondet_int();
496  }
497#line 127
498  if (nondetermined) {
499#line 130
500    ldv_mutex = 2;
501#line 132
502    return (1);
503  } else {
504#line 137
505    return (0);
506  }
507}
508}
509#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
510void mutex_unlock(struct mutex *lock ) 
511{ 
512
513  {
514#line 147
515  if (ldv_mutex == 2) {
516
517  } else {
518    {
519#line 147
520    ldv_blast_assert();
521    }
522  }
523#line 149
524  ldv_mutex = 1;
525#line 150
526  return;
527}
528}
529#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
530void ldv_check_final_state(void) 
531{ 
532
533  {
534#line 156
535  if (ldv_mutex == 1) {
536
537  } else {
538    {
539#line 156
540    ldv_blast_assert();
541    }
542  }
543#line 157
544  return;
545}
546}
547#line 184 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12948/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-twinhan1027.c.common.c"
548long s__builtin_expect(long val , long res ) 
549{ 
550
551  {
552#line 185
553  return (val);
554}
555}