Showing error 408

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-evga-indtube.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 324
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 40 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.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 21 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
138static struct rc_map_table evga_indtube[16]  = 
139#line 21 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
140  {      {(u32 )18, (u32 )116}, 
141        {(u32 )2, (u32 )373}, 
142        {(u32 )20, (u32 )113}, 
143        {(u32 )26, (u32 )402}, 
144        {(u32 )22, (u32 )378}, 
145        {(u32 )29, (u32 )115}, 
146        {(u32 )5, (u32 )403}, 
147        {(u32 )15, (u32 )164}, 
148        {(u32 )25, (u32 )114}, 
149        {(u32 )28, (u32 )168}, 
150        {(u32 )13, (u32 )167}, 
151        {(u32 )24, (u32 )159}, 
152        {(u32 )30, (u32 )412}, 
153        {(u32 )27, (u32 )128}, 
154        {(u32 )31, (u32 )407}, 
155        {(u32 )19, (u32 )212}};
156#line 40 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
157static struct rc_map_list evga_indtube_map  =    {{(struct list_head *)0, (struct list_head *)0}, {evga_indtube, (unsigned int )(sizeof(evga_indtube) / sizeof(evga_indtube[0]) + sizeof(struct __anonstruct_220 )),
158                                                     0U, 0U, (u64 )0, "rc-evga-indtube",
159                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
160#line 49
161static int init_rc_map_evga_indtube(void)  __attribute__((__section__(".init.text"),
162__no_instrument_function__)) ;
163#line 49 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
164static int init_rc_map_evga_indtube(void) 
165{ int tmp ;
166
167  {
168  {
169#line 51
170  tmp = rc_map_register(& evga_indtube_map);
171  }
172#line 51
173  return (tmp);
174}
175}
176#line 54
177static void exit_rc_map_evga_indtube(void)  __attribute__((__section__(".exit.text"),
178__no_instrument_function__)) ;
179#line 54 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
180static void exit_rc_map_evga_indtube(void) 
181{ 
182
183  {
184  {
185#line 56
186  rc_map_unregister(& evga_indtube_map);
187  }
188#line 57
189  return;
190}
191}
192#line 59 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
193int init_module(void) 
194{ int tmp ;
195
196  {
197  {
198#line 59
199  tmp = init_rc_map_evga_indtube();
200  }
201#line 59
202  return (tmp);
203}
204}
205#line 60 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
206void cleanup_module(void) 
207{ 
208
209  {
210  {
211#line 60
212  exit_rc_map_evga_indtube();
213  }
214#line 60
215  return;
216}
217}
218#line 62 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
219static char const   __mod_license62[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
220__aligned__(1)))  = 
221#line 62
222  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
223        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
224        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
225#line 63 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
226static char const   __mod_author63[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
227__aligned__(1)))  = 
228#line 63
229  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
230        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
231        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
232        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
233        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
234        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
235        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
236        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
237        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
238        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
239        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
240        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
241        (char const   )'>',      (char const   )'\000'};
242#line 81
243void ldv_check_final_state(void) ;
244#line 87
245extern void ldv_initialize(void) ;
246#line 90
247extern int __VERIFIER_nondet_int(void) ;
248#line 93 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
249int LDV_IN_INTERRUPT  ;
250#line 96 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
251void main(void) 
252{ int tmp ;
253  int tmp___0 ;
254  int tmp___1 ;
255
256  {
257  {
258#line 108
259  LDV_IN_INTERRUPT = 1;
260#line 117
261  ldv_initialize();
262#line 123
263  tmp = init_rc_map_evga_indtube();
264  }
265#line 123
266  if (tmp) {
267#line 124
268    goto ldv_final;
269  } else {
270
271  }
272  {
273#line 126
274  while (1) {
275    while_continue: /* CIL Label */ ;
276    {
277#line 126
278    tmp___1 = __VERIFIER_nondet_int();
279    }
280#line 126
281    if (tmp___1) {
282
283    } else {
284#line 126
285      goto while_break;
286    }
287    {
288#line 129
289    tmp___0 = __VERIFIER_nondet_int();
290    }
291    {
292#line 131
293    goto switch_default;
294#line 129
295    if (0) {
296      switch_default: /* CIL Label */ 
297#line 131
298      goto switch_break;
299    } else {
300      switch_break: /* CIL Label */ ;
301    }
302    }
303  }
304  while_break: /* CIL Label */ ;
305  }
306  {
307#line 143
308  exit_rc_map_evga_indtube();
309  }
310  ldv_final: 
311  {
312#line 146
313  ldv_check_final_state();
314  }
315#line 149
316  return;
317}
318}
319#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
320void ldv_blast_assert(void) 
321{ 
322
323  {
324  ERROR: 
325#line 6
326  goto ERROR;
327}
328}
329#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
330extern int __VERIFIER_nondet_int(void) ;
331#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
332int ldv_mutex  =    1;
333#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
334int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
335{ int nondetermined ;
336
337  {
338#line 29
339  if (ldv_mutex == 1) {
340
341  } else {
342    {
343#line 29
344    ldv_blast_assert();
345    }
346  }
347  {
348#line 32
349  nondetermined = __VERIFIER_nondet_int();
350  }
351#line 35
352  if (nondetermined) {
353#line 38
354    ldv_mutex = 2;
355#line 40
356    return (0);
357  } else {
358#line 45
359    return (-4);
360  }
361}
362}
363#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
364int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
365{ int nondetermined ;
366
367  {
368#line 57
369  if (ldv_mutex == 1) {
370
371  } else {
372    {
373#line 57
374    ldv_blast_assert();
375    }
376  }
377  {
378#line 60
379  nondetermined = __VERIFIER_nondet_int();
380  }
381#line 63
382  if (nondetermined) {
383#line 66
384    ldv_mutex = 2;
385#line 68
386    return (0);
387  } else {
388#line 73
389    return (-4);
390  }
391}
392}
393#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
394int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
395{ int atomic_value_after_dec ;
396
397  {
398#line 83
399  if (ldv_mutex == 1) {
400
401  } else {
402    {
403#line 83
404    ldv_blast_assert();
405    }
406  }
407  {
408#line 86
409  atomic_value_after_dec = __VERIFIER_nondet_int();
410  }
411#line 89
412  if (atomic_value_after_dec == 0) {
413#line 92
414    ldv_mutex = 2;
415#line 94
416    return (1);
417  } else {
418
419  }
420#line 98
421  return (0);
422}
423}
424#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
425void mutex_lock(struct mutex *lock ) 
426{ 
427
428  {
429#line 108
430  if (ldv_mutex == 1) {
431
432  } else {
433    {
434#line 108
435    ldv_blast_assert();
436    }
437  }
438#line 110
439  ldv_mutex = 2;
440#line 111
441  return;
442}
443}
444#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
445int mutex_trylock(struct mutex *lock ) 
446{ int nondetermined ;
447
448  {
449#line 121
450  if (ldv_mutex == 1) {
451
452  } else {
453    {
454#line 121
455    ldv_blast_assert();
456    }
457  }
458  {
459#line 124
460  nondetermined = __VERIFIER_nondet_int();
461  }
462#line 127
463  if (nondetermined) {
464#line 130
465    ldv_mutex = 2;
466#line 132
467    return (1);
468  } else {
469#line 137
470    return (0);
471  }
472}
473}
474#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
475void mutex_unlock(struct mutex *lock ) 
476{ 
477
478  {
479#line 147
480  if (ldv_mutex == 2) {
481
482  } else {
483    {
484#line 147
485    ldv_blast_assert();
486    }
487  }
488#line 149
489  ldv_mutex = 1;
490#line 150
491  return;
492}
493}
494#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
495void ldv_check_final_state(void) 
496{ 
497
498  {
499#line 156
500  if (ldv_mutex == 1) {
501
502  } else {
503    {
504#line 156
505    ldv_blast_assert();
506    }
507  }
508#line 157
509  return;
510}
511}
512#line 158 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12891/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-evga-indtube.c.common.c"
513long s__builtin_expect(long val , long res ) 
514{ 
515
516  {
517#line 159
518  return (val);
519}
520}