Showing error 469

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-winfast.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 362
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 81 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.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 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
138static struct rc_map_table winfast[56]  = 
139#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
140  {      {(u32 )18, (u32 )11}, 
141        {(u32 )5, (u32 )2}, 
142        {(u32 )6, (u32 )3}, 
143        {(u32 )7, (u32 )4}, 
144        {(u32 )9, (u32 )5}, 
145        {(u32 )10, (u32 )6}, 
146        {(u32 )11, (u32 )7}, 
147        {(u32 )13, (u32 )8}, 
148        {(u32 )14, (u32 )9}, 
149        {(u32 )15, (u32 )10}, 
150        {(u32 )0, (u32 )356}, 
151        {(u32 )27, (u32 )392}, 
152        {(u32 )2, (u32 )386}, 
153        {(u32 )30, (u32 )393}, 
154        {(u32 )22, (u32 )358}, 
155        {(u32 )4, (u32 )106}, 
156        {(u32 )8, (u32 )105}, 
157        {(u32 )12, (u32 )103}, 
158        {(u32 )16, (u32 )108}, 
159        {(u32 )3, (u32 )372}, 
160        {(u32 )31, (u32 )388}, 
161        {(u32 )32, (u32 )142}, 
162        {(u32 )41, (u32 )355}, 
163        {(u32 )20, (u32 )113}, 
164        {(u32 )43, (u32 )398}, 
165        {(u32 )44, (u32 )399}, 
166        {(u32 )45, (u32 )400}, 
167        {(u32 )46, (u32 )401}, 
168        {(u32 )24, (u32 )78}, 
169        {(u32 )25, (u32 )74}, 
170        {(u32 )42, (u32 )378}, 
171        {(u32 )33, (u32 )52}, 
172        {(u32 )19, (u32 )28}, 
173        {(u32 )17, (u32 )405}, 
174        {(u32 )34, (u32 )412}, 
175        {(u32 )35, (u32 )164}, 
176        {(u32 )36, (u32 )407}, 
177        {(u32 )37, (u32 )359}, 
178        {(u32 )38, (u32 )128}, 
179        {(u32 )39, (u32 )167}, 
180        {(u32 )40, (u32 )212}, 
181        {(u32 )47, (u32 )139}, 
182        {(u32 )48, (u32 )223}, 
183        {(u32 )49, (u32 )363}, 
184        {(u32 )50, (u32 )370}, 
185        {(u32 )51, (u32 )368}, 
186        {(u32 )52, (u32 )168}, 
187        {(u32 )53, (u32 )208}, 
188        {(u32 )54, (u32 )377}, 
189        {(u32 )55, (u32 )385}, 
190        {(u32 )56, (u32 )389}, 
191        {(u32 )26, (u32 )373}, 
192        {(u32 )62, (u32 )115}, 
193        {(u32 )58, (u32 )114}, 
194        {(u32 )59, (u32 )402}, 
195        {(u32 )63, (u32 )403}};
196#line 81 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
197static struct rc_map_list winfast_map  =    {{(struct list_head *)0, (struct list_head *)0}, {winfast, (unsigned int )(sizeof(winfast) / sizeof(winfast[0]) + sizeof(struct __anonstruct_220 )),
198                                                     0U, 0U, (u64 )0, "rc-winfast",
199                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
200#line 90
201static int init_rc_map_winfast(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
202#line 90 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
203static int init_rc_map_winfast(void) 
204{ int tmp ;
205
206  {
207  {
208#line 92
209  tmp = rc_map_register(& winfast_map);
210  }
211#line 92
212  return (tmp);
213}
214}
215#line 95
216static void exit_rc_map_winfast(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
217#line 95 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
218static void exit_rc_map_winfast(void) 
219{ 
220
221  {
222  {
223#line 97
224  rc_map_unregister(& winfast_map);
225  }
226#line 98
227  return;
228}
229}
230#line 100 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
231int init_module(void) 
232{ int tmp ;
233
234  {
235  {
236#line 100
237  tmp = init_rc_map_winfast();
238  }
239#line 100
240  return (tmp);
241}
242}
243#line 101 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
244void cleanup_module(void) 
245{ 
246
247  {
248  {
249#line 101
250  exit_rc_map_winfast();
251  }
252#line 101
253  return;
254}
255}
256#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
257static char const   __mod_license103[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
258__aligned__(1)))  = 
259#line 103
260  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
261        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
262        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
263#line 104 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
264static char const   __mod_author104[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
265__aligned__(1)))  = 
266#line 104
267  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
268        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
269        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
270        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
271        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
272        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
273        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
274        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
275        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
276        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
277        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
278        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
279        (char const   )'>',      (char const   )'\000'};
280#line 122
281void ldv_check_final_state(void) ;
282#line 128
283extern void ldv_initialize(void) ;
284#line 131
285extern int __VERIFIER_nondet_int(void) ;
286#line 134 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
287int LDV_IN_INTERRUPT  ;
288#line 137 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
289void main(void) 
290{ int tmp ;
291  int tmp___0 ;
292  int tmp___1 ;
293
294  {
295  {
296#line 149
297  LDV_IN_INTERRUPT = 1;
298#line 158
299  ldv_initialize();
300#line 164
301  tmp = init_rc_map_winfast();
302  }
303#line 164
304  if (tmp) {
305#line 165
306    goto ldv_final;
307  } else {
308
309  }
310  {
311#line 167
312  while (1) {
313    while_continue: /* CIL Label */ ;
314    {
315#line 167
316    tmp___1 = __VERIFIER_nondet_int();
317    }
318#line 167
319    if (tmp___1) {
320
321    } else {
322#line 167
323      goto while_break;
324    }
325    {
326#line 170
327    tmp___0 = __VERIFIER_nondet_int();
328    }
329    {
330#line 172
331    goto switch_default;
332#line 170
333    if (0) {
334      switch_default: /* CIL Label */ 
335#line 172
336      goto switch_break;
337    } else {
338      switch_break: /* CIL Label */ ;
339    }
340    }
341  }
342  while_break: /* CIL Label */ ;
343  }
344  {
345#line 184
346  exit_rc_map_winfast();
347  }
348  ldv_final: 
349  {
350#line 187
351  ldv_check_final_state();
352  }
353#line 190
354  return;
355}
356}
357#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
358void ldv_blast_assert(void) 
359{ 
360
361  {
362  ERROR: 
363#line 6
364  goto ERROR;
365}
366}
367#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
368extern int __VERIFIER_nondet_int(void) ;
369#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
370int ldv_mutex  =    1;
371#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
372int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
373{ int nondetermined ;
374
375  {
376#line 29
377  if (ldv_mutex == 1) {
378
379  } else {
380    {
381#line 29
382    ldv_blast_assert();
383    }
384  }
385  {
386#line 32
387  nondetermined = __VERIFIER_nondet_int();
388  }
389#line 35
390  if (nondetermined) {
391#line 38
392    ldv_mutex = 2;
393#line 40
394    return (0);
395  } else {
396#line 45
397    return (-4);
398  }
399}
400}
401#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
402int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
403{ int nondetermined ;
404
405  {
406#line 57
407  if (ldv_mutex == 1) {
408
409  } else {
410    {
411#line 57
412    ldv_blast_assert();
413    }
414  }
415  {
416#line 60
417  nondetermined = __VERIFIER_nondet_int();
418  }
419#line 63
420  if (nondetermined) {
421#line 66
422    ldv_mutex = 2;
423#line 68
424    return (0);
425  } else {
426#line 73
427    return (-4);
428  }
429}
430}
431#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
432int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
433{ int atomic_value_after_dec ;
434
435  {
436#line 83
437  if (ldv_mutex == 1) {
438
439  } else {
440    {
441#line 83
442    ldv_blast_assert();
443    }
444  }
445  {
446#line 86
447  atomic_value_after_dec = __VERIFIER_nondet_int();
448  }
449#line 89
450  if (atomic_value_after_dec == 0) {
451#line 92
452    ldv_mutex = 2;
453#line 94
454    return (1);
455  } else {
456
457  }
458#line 98
459  return (0);
460}
461}
462#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
463void mutex_lock(struct mutex *lock ) 
464{ 
465
466  {
467#line 108
468  if (ldv_mutex == 1) {
469
470  } else {
471    {
472#line 108
473    ldv_blast_assert();
474    }
475  }
476#line 110
477  ldv_mutex = 2;
478#line 111
479  return;
480}
481}
482#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
483int mutex_trylock(struct mutex *lock ) 
484{ int nondetermined ;
485
486  {
487#line 121
488  if (ldv_mutex == 1) {
489
490  } else {
491    {
492#line 121
493    ldv_blast_assert();
494    }
495  }
496  {
497#line 124
498  nondetermined = __VERIFIER_nondet_int();
499  }
500#line 127
501  if (nondetermined) {
502#line 130
503    ldv_mutex = 2;
504#line 132
505    return (1);
506  } else {
507#line 137
508    return (0);
509  }
510}
511}
512#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
513void mutex_unlock(struct mutex *lock ) 
514{ 
515
516  {
517#line 147
518  if (ldv_mutex == 2) {
519
520  } else {
521    {
522#line 147
523    ldv_blast_assert();
524    }
525  }
526#line 149
527  ldv_mutex = 1;
528#line 150
529  return;
530}
531}
532#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
533void ldv_check_final_state(void) 
534{ 
535
536  {
537#line 156
538  if (ldv_mutex == 1) {
539
540  } else {
541    {
542#line 156
543    ldv_blast_assert();
544    }
545  }
546#line 157
547  return;
548}
549}
550#line 199 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12953/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-winfast.c.common.c"
551long s__builtin_expect(long val , long res ) 
552{ 
553
554  {
555#line 200
556  return (val);
557}
558}