Showing error 453

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-snapstream-firefly.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 354
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 270 "/home/zakharov/launch/inst/current/envs/linux-3.4/linux-3.4/arch/x86/include/asm/elf.h"
 88struct task_struct;
 89#line 18 "include/linux/capability.h"
 90struct task_struct;
 91#line 31 "include/media/rc-map.h"
 92struct rc_map_table {
 93   u32 scancode ;
 94   u32 keycode ;
 95};
 96#line 36 "include/media/rc-map.h"
 97struct rc_map {
 98   struct rc_map_table *scan ;
 99   unsigned int size ;
100   unsigned int len ;
101   unsigned int alloc ;
102   u64 rc_type ;
103   char const   *name ;
104   spinlock_t lock ;
105};
106#line 46 "include/media/rc-map.h"
107struct rc_map_list {
108   struct list_head list ;
109   struct rc_map map ;
110};
111#line 85 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.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 67 "include/linux/module.h"
130int init_module(void) ;
131#line 68
132void cleanup_module(void) ;
133#line 53 "include/media/rc-map.h"
134extern int rc_map_register(struct rc_map_list *map ) ;
135#line 54
136extern void rc_map_unregister(struct rc_map_list *map ) ;
137#line 25 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
138static struct rc_map_table snapstream_firefly[48]  = 
139#line 25 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
140  {      {(u32 )44, (u32 )372}, 
141        {(u32 )2, (u32 )206}, 
142        {(u32 )13, (u32 )2}, 
143        {(u32 )14, (u32 )3}, 
144        {(u32 )15, (u32 )4}, 
145        {(u32 )16, (u32 )5}, 
146        {(u32 )17, (u32 )6}, 
147        {(u32 )18, (u32 )7}, 
148        {(u32 )19, (u32 )8}, 
149        {(u32 )20, (u32 )9}, 
150        {(u32 )21, (u32 )10}, 
151        {(u32 )23, (u32 )11}, 
152        {(u32 )22, (u32 )158}, 
153        {(u32 )24, (u32 )96}, 
154        {(u32 )9, (u32 )115}, 
155        {(u32 )8, (u32 )114}, 
156        {(u32 )10, (u32 )113}, 
157        {(u32 )11, (u32 )402}, 
158        {(u32 )12, (u32 )403}, 
159        {(u32 )0, (u32 )360}, 
160        {(u32 )46, (u32 )358}, 
161        {(u32 )47, (u32 )357}, 
162        {(u32 )29, (u32 )105}, 
163        {(u32 )31, (u32 )106}, 
164        {(u32 )34, (u32 )108}, 
165        {(u32 )26, (u32 )103}, 
166        {(u32 )30, (u32 )352}, 
167        {(u32 )28, (u32 )139}, 
168        {(u32 )32, (u32 )174}, 
169        {(u32 )39, (u32 )167}, 
170        {(u32 )37, (u32 )207}, 
171        {(u32 )40, (u32 )128}, 
172        {(u32 )36, (u32 )168}, 
173        {(u32 )38, (u32 )159}, 
174        {(u32 )41, (u32 )119}, 
175        {(u32 )43, (u32 )412}, 
176        {(u32 )42, (u32 )407}, 
177        {(u32 )6, (u32 )392}, 
178        {(u32 )5, (u32 )442}, 
179        {(u32 )4, (u32 )389}, 
180        {(u32 )3, (u32 )377}, 
181        {(u32 )7, (u32 )393}, 
182        {(u32 )1, (u32 )138}, 
183        {(u32 )45, (u32 )373}, 
184        {(u32 )25, (u32 )30}, 
185        {(u32 )27, (u32 )48}, 
186        {(u32 )33, (u32 )46}, 
187        {(u32 )35, (u32 )32}};
188#line 85 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
189static struct rc_map_list snapstream_firefly_map  =    {{(struct list_head *)0, (struct list_head *)0}, {snapstream_firefly, (unsigned int )(sizeof(snapstream_firefly) / sizeof(snapstream_firefly[0]) + sizeof(struct __anonstruct_220 )),
190                                                     0U, 0U, (u64 )(1U << 31), "rc-snapstream-firefly",
191                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
192#line 94
193static int init_rc_map_snapstream_firefly(void)  __attribute__((__section__(".init.text"),
194__no_instrument_function__)) ;
195#line 94 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
196static int init_rc_map_snapstream_firefly(void) 
197{ int tmp ;
198
199  {
200  {
201#line 96
202  tmp = rc_map_register(& snapstream_firefly_map);
203  }
204#line 96
205  return (tmp);
206}
207}
208#line 99
209static void exit_rc_map_snapstream_firefly(void)  __attribute__((__section__(".exit.text"),
210__no_instrument_function__)) ;
211#line 99 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
212static void exit_rc_map_snapstream_firefly(void) 
213{ 
214
215  {
216  {
217#line 101
218  rc_map_unregister(& snapstream_firefly_map);
219  }
220#line 102
221  return;
222}
223}
224#line 104 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
225int init_module(void) 
226{ int tmp ;
227
228  {
229  {
230#line 104
231  tmp = init_rc_map_snapstream_firefly();
232  }
233#line 104
234  return (tmp);
235}
236}
237#line 105 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
238void cleanup_module(void) 
239{ 
240
241  {
242  {
243#line 105
244  exit_rc_map_snapstream_firefly();
245  }
246#line 105
247  return;
248}
249}
250#line 107 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
251static char const   __mod_license107[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
252__aligned__(1)))  = 
253#line 107
254  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
255        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
256        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
257#line 108 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
258static char const   __mod_author108[44]  __attribute__((__used__, __unused__, __section__(".modinfo"),
259__aligned__(1)))  = 
260#line 108
261  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
262        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'A', 
263        (char const   )'n',      (char const   )'s',      (char const   )'s',      (char const   )'i', 
264        (char const   )' ',      (char const   )'H',      (char const   )'a',      (char const   )'n', 
265        (char const   )'n',      (char const   )'u',      (char const   )'l',      (char const   )'a', 
266        (char const   )' ',      (char const   )'<',      (char const   )'a',      (char const   )'n', 
267        (char const   )'s',      (char const   )'s',      (char const   )'i',      (char const   )'.', 
268        (char const   )'h',      (char const   )'a',      (char const   )'n',      (char const   )'n', 
269        (char const   )'u',      (char const   )'l',      (char const   )'a',      (char const   )'@', 
270        (char const   )'i',      (char const   )'k',      (char const   )'i',      (char const   )'.', 
271        (char const   )'f',      (char const   )'i',      (char const   )'>',      (char const   )'\000'};
272#line 126
273void ldv_check_final_state(void) ;
274#line 132
275extern void ldv_initialize(void) ;
276#line 135
277extern int __VERIFIER_nondet_int(void) ;
278#line 138 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
279int LDV_IN_INTERRUPT  ;
280#line 141 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
281void main(void) 
282{ int tmp ;
283  int tmp___0 ;
284  int tmp___1 ;
285
286  {
287  {
288#line 153
289  LDV_IN_INTERRUPT = 1;
290#line 162
291  ldv_initialize();
292#line 168
293  tmp = init_rc_map_snapstream_firefly();
294  }
295#line 168
296  if (tmp) {
297#line 169
298    goto ldv_final;
299  } else {
300
301  }
302  {
303#line 171
304  while (1) {
305    while_continue: /* CIL Label */ ;
306    {
307#line 171
308    tmp___1 = __VERIFIER_nondet_int();
309    }
310#line 171
311    if (tmp___1) {
312
313    } else {
314#line 171
315      goto while_break;
316    }
317    {
318#line 174
319    tmp___0 = __VERIFIER_nondet_int();
320    }
321    {
322#line 176
323    goto switch_default;
324#line 174
325    if (0) {
326      switch_default: /* CIL Label */ 
327#line 176
328      goto switch_break;
329    } else {
330      switch_break: /* CIL Label */ ;
331    }
332    }
333  }
334  while_break: /* CIL Label */ ;
335  }
336  {
337#line 188
338  exit_rc_map_snapstream_firefly();
339  }
340  ldv_final: 
341  {
342#line 191
343  ldv_check_final_state();
344  }
345#line 194
346  return;
347}
348}
349#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
350void ldv_blast_assert(void) 
351{ 
352
353  {
354  ERROR: 
355#line 6
356  goto ERROR;
357}
358}
359#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
360extern int __VERIFIER_nondet_int(void) ;
361#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
362int ldv_mutex  =    1;
363#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
364int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
365{ int nondetermined ;
366
367  {
368#line 29
369  if (ldv_mutex == 1) {
370
371  } else {
372    {
373#line 29
374    ldv_blast_assert();
375    }
376  }
377  {
378#line 32
379  nondetermined = __VERIFIER_nondet_int();
380  }
381#line 35
382  if (nondetermined) {
383#line 38
384    ldv_mutex = 2;
385#line 40
386    return (0);
387  } else {
388#line 45
389    return (-4);
390  }
391}
392}
393#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
394int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
395{ int nondetermined ;
396
397  {
398#line 57
399  if (ldv_mutex == 1) {
400
401  } else {
402    {
403#line 57
404    ldv_blast_assert();
405    }
406  }
407  {
408#line 60
409  nondetermined = __VERIFIER_nondet_int();
410  }
411#line 63
412  if (nondetermined) {
413#line 66
414    ldv_mutex = 2;
415#line 68
416    return (0);
417  } else {
418#line 73
419    return (-4);
420  }
421}
422}
423#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
424int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
425{ int atomic_value_after_dec ;
426
427  {
428#line 83
429  if (ldv_mutex == 1) {
430
431  } else {
432    {
433#line 83
434    ldv_blast_assert();
435    }
436  }
437  {
438#line 86
439  atomic_value_after_dec = __VERIFIER_nondet_int();
440  }
441#line 89
442  if (atomic_value_after_dec == 0) {
443#line 92
444    ldv_mutex = 2;
445#line 94
446    return (1);
447  } else {
448
449  }
450#line 98
451  return (0);
452}
453}
454#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
455void mutex_lock(struct mutex *lock ) 
456{ 
457
458  {
459#line 108
460  if (ldv_mutex == 1) {
461
462  } else {
463    {
464#line 108
465    ldv_blast_assert();
466    }
467  }
468#line 110
469  ldv_mutex = 2;
470#line 111
471  return;
472}
473}
474#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
475int mutex_trylock(struct mutex *lock ) 
476{ int nondetermined ;
477
478  {
479#line 121
480  if (ldv_mutex == 1) {
481
482  } else {
483    {
484#line 121
485    ldv_blast_assert();
486    }
487  }
488  {
489#line 124
490  nondetermined = __VERIFIER_nondet_int();
491  }
492#line 127
493  if (nondetermined) {
494#line 130
495    ldv_mutex = 2;
496#line 132
497    return (1);
498  } else {
499#line 137
500    return (0);
501  }
502}
503}
504#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
505void mutex_unlock(struct mutex *lock ) 
506{ 
507
508  {
509#line 147
510  if (ldv_mutex == 2) {
511
512  } else {
513    {
514#line 147
515    ldv_blast_assert();
516    }
517  }
518#line 149
519  ldv_mutex = 1;
520#line 150
521  return;
522}
523}
524#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
525void ldv_check_final_state(void) 
526{ 
527
528  {
529#line 156
530  if (ldv_mutex == 1) {
531
532  } else {
533    {
534#line 156
535    ldv_blast_assert();
536    }
537  }
538#line 157
539  return;
540}
541}
542#line 203 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12936/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-snapstream-firefly.c.common.c"
543long s__builtin_expect(long val , long res ) 
544{ 
545
546  {
547#line 204
548  return (val);
549}
550}