Showing error 438

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-npgtech.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 341
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 59 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.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 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
138static struct rc_map_table npgtech[35]  = 
139#line 17 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
140  {      {(u32 )29, (u32 )227}, 
141        {(u32 )42, (u32 )132}, 
142        {(u32 )62, (u32 )2}, 
143        {(u32 )2, (u32 )3}, 
144        {(u32 )6, (u32 )4}, 
145        {(u32 )10, (u32 )5}, 
146        {(u32 )14, (u32 )6}, 
147        {(u32 )18, (u32 )7}, 
148        {(u32 )22, (u32 )8}, 
149        {(u32 )26, (u32 )9}, 
150        {(u32 )30, (u32 )10}, 
151        {(u32 )58, (u32 )11}, 
152        {(u32 )34, (u32 )69}, 
153        {(u32 )32, (u32 )173}, 
154        {(u32 )3, (u32 )224}, 
155        {(u32 )40, (u32 )392}, 
156        {(u32 )60, (u32 )402}, 
157        {(u32 )63, (u32 )114}, 
158        {(u32 )46, (u32 )113}, 
159        {(u32 )59, (u32 )115}, 
160        {(u32 )0, (u32 )403}, 
161        {(u32 )7, (u32 )225}, 
162        {(u32 )44, (u32 )388}, 
163        {(u32 )55, (u32 )167}, 
164        {(u32 )23, (u32 )207}, 
165        {(u32 )19, (u32 )119}, 
166        {(u32 )38, (u32 )128}, 
167        {(u32 )24, (u32 )208}, 
168        {(u32 )20, (u32 )168}, 
169        {(u32 )51, (u32 )372}, 
170        {(u32 )50, (u32 )374}, 
171        {(u32 )48, (u32 )354}, 
172        {(u32 )54, (u32 )112}, 
173        {(u32 )11, (u32 )385}, 
174        {(u32 )16, (u32 )116}};
175#line 59 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
176static struct rc_map_list npgtech_map  =    {{(struct list_head *)0, (struct list_head *)0}, {npgtech, (unsigned int )(sizeof(npgtech) / sizeof(npgtech[0]) + sizeof(struct __anonstruct_220 )),
177                                                     0U, 0U, (u64 )0, "rc-npgtech",
178                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
179#line 68
180static int init_rc_map_npgtech(void)  __attribute__((__section__(".init.text"), __no_instrument_function__)) ;
181#line 68 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
182static int init_rc_map_npgtech(void) 
183{ int tmp ;
184
185  {
186  {
187#line 70
188  tmp = rc_map_register(& npgtech_map);
189  }
190#line 70
191  return (tmp);
192}
193}
194#line 73
195static void exit_rc_map_npgtech(void)  __attribute__((__section__(".exit.text"), __no_instrument_function__)) ;
196#line 73 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
197static void exit_rc_map_npgtech(void) 
198{ 
199
200  {
201  {
202#line 75
203  rc_map_unregister(& npgtech_map);
204  }
205#line 76
206  return;
207}
208}
209#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
210int init_module(void) 
211{ int tmp ;
212
213  {
214  {
215#line 78
216  tmp = init_rc_map_npgtech();
217  }
218#line 78
219  return (tmp);
220}
221}
222#line 79 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
223void cleanup_module(void) 
224{ 
225
226  {
227  {
228#line 79
229  exit_rc_map_npgtech();
230  }
231#line 79
232  return;
233}
234}
235#line 81 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
236static char const   __mod_license81[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
237__aligned__(1)))  = 
238#line 81
239  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
240        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
241        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
242#line 82 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
243static char const   __mod_author82[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
244__aligned__(1)))  = 
245#line 82
246  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
247        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
248        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
249        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
250        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
251        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
252        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
253        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
254        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
255        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
256        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
257        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
258        (char const   )'>',      (char const   )'\000'};
259#line 100
260void ldv_check_final_state(void) ;
261#line 106
262extern void ldv_initialize(void) ;
263#line 109
264extern int __VERIFIER_nondet_int(void) ;
265#line 112 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
266int LDV_IN_INTERRUPT  ;
267#line 115 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
268void main(void) 
269{ int tmp ;
270  int tmp___0 ;
271  int tmp___1 ;
272
273  {
274  {
275#line 127
276  LDV_IN_INTERRUPT = 1;
277#line 136
278  ldv_initialize();
279#line 142
280  tmp = init_rc_map_npgtech();
281  }
282#line 142
283  if (tmp) {
284#line 143
285    goto ldv_final;
286  } else {
287
288  }
289  {
290#line 145
291  while (1) {
292    while_continue: /* CIL Label */ ;
293    {
294#line 145
295    tmp___1 = __VERIFIER_nondet_int();
296    }
297#line 145
298    if (tmp___1) {
299
300    } else {
301#line 145
302      goto while_break;
303    }
304    {
305#line 148
306    tmp___0 = __VERIFIER_nondet_int();
307    }
308    {
309#line 150
310    goto switch_default;
311#line 148
312    if (0) {
313      switch_default: /* CIL Label */ 
314#line 150
315      goto switch_break;
316    } else {
317      switch_break: /* CIL Label */ ;
318    }
319    }
320  }
321  while_break: /* CIL Label */ ;
322  }
323  {
324#line 162
325  exit_rc_map_npgtech();
326  }
327  ldv_final: 
328  {
329#line 165
330  ldv_check_final_state();
331  }
332#line 168
333  return;
334}
335}
336#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
337void ldv_blast_assert(void) 
338{ 
339
340  {
341  ERROR: 
342#line 6
343  goto ERROR;
344}
345}
346#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
347extern int __VERIFIER_nondet_int(void) ;
348#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
349int ldv_mutex  =    1;
350#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
351int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
352{ int nondetermined ;
353
354  {
355#line 29
356  if (ldv_mutex == 1) {
357
358  } else {
359    {
360#line 29
361    ldv_blast_assert();
362    }
363  }
364  {
365#line 32
366  nondetermined = __VERIFIER_nondet_int();
367  }
368#line 35
369  if (nondetermined) {
370#line 38
371    ldv_mutex = 2;
372#line 40
373    return (0);
374  } else {
375#line 45
376    return (-4);
377  }
378}
379}
380#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
381int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
382{ int nondetermined ;
383
384  {
385#line 57
386  if (ldv_mutex == 1) {
387
388  } else {
389    {
390#line 57
391    ldv_blast_assert();
392    }
393  }
394  {
395#line 60
396  nondetermined = __VERIFIER_nondet_int();
397  }
398#line 63
399  if (nondetermined) {
400#line 66
401    ldv_mutex = 2;
402#line 68
403    return (0);
404  } else {
405#line 73
406    return (-4);
407  }
408}
409}
410#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
411int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
412{ int atomic_value_after_dec ;
413
414  {
415#line 83
416  if (ldv_mutex == 1) {
417
418  } else {
419    {
420#line 83
421    ldv_blast_assert();
422    }
423  }
424  {
425#line 86
426  atomic_value_after_dec = __VERIFIER_nondet_int();
427  }
428#line 89
429  if (atomic_value_after_dec == 0) {
430#line 92
431    ldv_mutex = 2;
432#line 94
433    return (1);
434  } else {
435
436  }
437#line 98
438  return (0);
439}
440}
441#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
442void mutex_lock(struct mutex *lock ) 
443{ 
444
445  {
446#line 108
447  if (ldv_mutex == 1) {
448
449  } else {
450    {
451#line 108
452    ldv_blast_assert();
453    }
454  }
455#line 110
456  ldv_mutex = 2;
457#line 111
458  return;
459}
460}
461#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
462int mutex_trylock(struct mutex *lock ) 
463{ int nondetermined ;
464
465  {
466#line 121
467  if (ldv_mutex == 1) {
468
469  } else {
470    {
471#line 121
472    ldv_blast_assert();
473    }
474  }
475  {
476#line 124
477  nondetermined = __VERIFIER_nondet_int();
478  }
479#line 127
480  if (nondetermined) {
481#line 130
482    ldv_mutex = 2;
483#line 132
484    return (1);
485  } else {
486#line 137
487    return (0);
488  }
489}
490}
491#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
492void mutex_unlock(struct mutex *lock ) 
493{ 
494
495  {
496#line 147
497  if (ldv_mutex == 2) {
498
499  } else {
500    {
501#line 147
502    ldv_blast_assert();
503    }
504  }
505#line 149
506  ldv_mutex = 1;
507#line 150
508  return;
509}
510}
511#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
512void ldv_check_final_state(void) 
513{ 
514
515  {
516#line 156
517  if (ldv_mutex == 1) {
518
519  } else {
520    {
521#line 156
522    ldv_blast_assert();
523    }
524  }
525#line 157
526  return;
527}
528}
529#line 177 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12921/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-npgtech.c.common.c"
530long s__builtin_expect(long val , long res ) 
531{ 
532
533  {
534#line 178
535  return (val);
536}
537}