Showing error 401

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-dm1105-nec.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 339
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 55 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.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/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
138static struct rc_map_table dm1105_nec[31]  = 
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/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
140  {      {(u32 )10, (u32 )356}, 
141        {(u32 )12, (u32 )113}, 
142        {(u32 )17, (u32 )2}, 
143        {(u32 )18, (u32 )3}, 
144        {(u32 )19, (u32 )4}, 
145        {(u32 )20, (u32 )5}, 
146        {(u32 )21, (u32 )6}, 
147        {(u32 )22, (u32 )7}, 
148        {(u32 )23, (u32 )8}, 
149        {(u32 )24, (u32 )9}, 
150        {(u32 )25, (u32 )10}, 
151        {(u32 )16, (u32 )11}, 
152        {(u32 )28, (u32 )402}, 
153        {(u32 )15, (u32 )403}, 
154        {(u32 )26, (u32 )115}, 
155        {(u32 )14, (u32 )114}, 
156        {(u32 )4, (u32 )167}, 
157        {(u32 )9, (u32 )363}, 
158        {(u32 )8, (u32 )14}, 
159        {(u32 )7, (u32 )208}, 
160        {(u32 )11, (u32 )119}, 
161        {(u32 )2, (u32 )1}, 
162        {(u32 )3, (u32 )15}, 
163        {(u32 )0, (u32 )103}, 
164        {(u32 )31, (u32 )28}, 
165        {(u32 )1, (u32 )108}, 
166        {(u32 )5, (u32 )167}, 
167        {(u32 )6, (u32 )128}, 
168        {(u32 )64, (u32 )372}, 
169        {(u32 )30, (u32 )377}, 
170        {(u32 )27, (u32 )48}};
171#line 55 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
172static struct rc_map_list dm1105_nec_map  =    {{(struct list_head *)0, (struct list_head *)0}, {dm1105_nec, (unsigned int )(sizeof(dm1105_nec) / sizeof(dm1105_nec[0]) + sizeof(struct __anonstruct_220 )),
173                                                     0U, 0U, (u64 )0, "rc-dm1105-nec",
174                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
175#line 64
176static int init_rc_map_dm1105_nec(void)  __attribute__((__section__(".init.text"),
177__no_instrument_function__)) ;
178#line 64 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
179static int init_rc_map_dm1105_nec(void) 
180{ int tmp ;
181
182  {
183  {
184#line 66
185  tmp = rc_map_register(& dm1105_nec_map);
186  }
187#line 66
188  return (tmp);
189}
190}
191#line 69
192static void exit_rc_map_dm1105_nec(void)  __attribute__((__section__(".exit.text"),
193__no_instrument_function__)) ;
194#line 69 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
195static void exit_rc_map_dm1105_nec(void) 
196{ 
197
198  {
199  {
200#line 71
201  rc_map_unregister(& dm1105_nec_map);
202  }
203#line 72
204  return;
205}
206}
207#line 74 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
208int init_module(void) 
209{ int tmp ;
210
211  {
212  {
213#line 74
214  tmp = init_rc_map_dm1105_nec();
215  }
216#line 74
217  return (tmp);
218}
219}
220#line 75 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
221void cleanup_module(void) 
222{ 
223
224  {
225  {
226#line 75
227  exit_rc_map_dm1105_nec();
228  }
229#line 75
230  return;
231}
232}
233#line 77 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
234static char const   __mod_license77[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
235__aligned__(1)))  = 
236#line 77
237  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
238        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
239        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
240#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
241static char const   __mod_author78[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
242__aligned__(1)))  = 
243#line 78
244  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
245        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
246        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
247        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
248        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
249        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
250        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
251        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
252        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
253        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
254        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
255        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
256        (char const   )'>',      (char const   )'\000'};
257#line 96
258void ldv_check_final_state(void) ;
259#line 102
260extern void ldv_initialize(void) ;
261#line 105
262extern int __VERIFIER_nondet_int(void) ;
263#line 108 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
264int LDV_IN_INTERRUPT  ;
265#line 111 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
266void main(void) 
267{ int tmp ;
268  int tmp___0 ;
269  int tmp___1 ;
270
271  {
272  {
273#line 123
274  LDV_IN_INTERRUPT = 1;
275#line 132
276  ldv_initialize();
277#line 138
278  tmp = init_rc_map_dm1105_nec();
279  }
280#line 138
281  if (tmp) {
282#line 139
283    goto ldv_final;
284  } else {
285
286  }
287  {
288#line 141
289  while (1) {
290    while_continue: /* CIL Label */ ;
291    {
292#line 141
293    tmp___1 = __VERIFIER_nondet_int();
294    }
295#line 141
296    if (tmp___1) {
297
298    } else {
299#line 141
300      goto while_break;
301    }
302    {
303#line 144
304    tmp___0 = __VERIFIER_nondet_int();
305    }
306    {
307#line 146
308    goto switch_default;
309#line 144
310    if (0) {
311      switch_default: /* CIL Label */ 
312#line 146
313      goto switch_break;
314    } else {
315      switch_break: /* CIL Label */ ;
316    }
317    }
318  }
319  while_break: /* CIL Label */ ;
320  }
321  {
322#line 158
323  exit_rc_map_dm1105_nec();
324  }
325  ldv_final: 
326  {
327#line 161
328  ldv_check_final_state();
329  }
330#line 164
331  return;
332}
333}
334#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
335void ldv_blast_assert(void) 
336{ 
337
338  {
339  ERROR: 
340#line 6
341  goto ERROR;
342}
343}
344#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
345extern int __VERIFIER_nondet_int(void) ;
346#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
347int ldv_mutex  =    1;
348#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
349int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
350{ int nondetermined ;
351
352  {
353#line 29
354  if (ldv_mutex == 1) {
355
356  } else {
357    {
358#line 29
359    ldv_blast_assert();
360    }
361  }
362  {
363#line 32
364  nondetermined = __VERIFIER_nondet_int();
365  }
366#line 35
367  if (nondetermined) {
368#line 38
369    ldv_mutex = 2;
370#line 40
371    return (0);
372  } else {
373#line 45
374    return (-4);
375  }
376}
377}
378#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
379int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
380{ int nondetermined ;
381
382  {
383#line 57
384  if (ldv_mutex == 1) {
385
386  } else {
387    {
388#line 57
389    ldv_blast_assert();
390    }
391  }
392  {
393#line 60
394  nondetermined = __VERIFIER_nondet_int();
395  }
396#line 63
397  if (nondetermined) {
398#line 66
399    ldv_mutex = 2;
400#line 68
401    return (0);
402  } else {
403#line 73
404    return (-4);
405  }
406}
407}
408#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
409int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
410{ int atomic_value_after_dec ;
411
412  {
413#line 83
414  if (ldv_mutex == 1) {
415
416  } else {
417    {
418#line 83
419    ldv_blast_assert();
420    }
421  }
422  {
423#line 86
424  atomic_value_after_dec = __VERIFIER_nondet_int();
425  }
426#line 89
427  if (atomic_value_after_dec == 0) {
428#line 92
429    ldv_mutex = 2;
430#line 94
431    return (1);
432  } else {
433
434  }
435#line 98
436  return (0);
437}
438}
439#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
440void mutex_lock(struct mutex *lock ) 
441{ 
442
443  {
444#line 108
445  if (ldv_mutex == 1) {
446
447  } else {
448    {
449#line 108
450    ldv_blast_assert();
451    }
452  }
453#line 110
454  ldv_mutex = 2;
455#line 111
456  return;
457}
458}
459#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
460int mutex_trylock(struct mutex *lock ) 
461{ int nondetermined ;
462
463  {
464#line 121
465  if (ldv_mutex == 1) {
466
467  } else {
468    {
469#line 121
470    ldv_blast_assert();
471    }
472  }
473  {
474#line 124
475  nondetermined = __VERIFIER_nondet_int();
476  }
477#line 127
478  if (nondetermined) {
479#line 130
480    ldv_mutex = 2;
481#line 132
482    return (1);
483  } else {
484#line 137
485    return (0);
486  }
487}
488}
489#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
490void mutex_unlock(struct mutex *lock ) 
491{ 
492
493  {
494#line 147
495  if (ldv_mutex == 2) {
496
497  } else {
498    {
499#line 147
500    ldv_blast_assert();
501    }
502  }
503#line 149
504  ldv_mutex = 1;
505#line 150
506  return;
507}
508}
509#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
510void ldv_check_final_state(void) 
511{ 
512
513  {
514#line 156
515  if (ldv_mutex == 1) {
516
517  } else {
518    {
519#line 156
520    ldv_blast_assert();
521    }
522  }
523#line 157
524  return;
525}
526}
527#line 173 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12884/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-dm1105-nec.c.common.c"
528long s__builtin_expect(long val , long res ) 
529{ 
530
531  {
532#line 174
533  return (val);
534}
535}