Showing error 380

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-asus-pc39.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c
Line in file: 347
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 70 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.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 23 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
138static struct rc_map_table asus_pc39[39]  = 
139#line 23 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
140  {      {(u32 )2090, (u32 )11}, 
141        {(u32 )2070, (u32 )2}, 
142        {(u32 )2066, (u32 )3}, 
143        {(u32 )2068, (u32 )4}, 
144        {(u32 )2102, (u32 )5}, 
145        {(u32 )2098, (u32 )6}, 
146        {(u32 )2100, (u32 )7}, 
147        {(u32 )2062, (u32 )8}, 
148        {(u32 )2058, (u32 )9}, 
149        {(u32 )2060, (u32 )10}, 
150        {(u32 )2049, (u32 )385}, 
151        {(u32 )2108, (u32 )139}, 
152        {(u32 )2069, (u32 )115}, 
153        {(u32 )2086, (u32 )114}, 
154        {(u32 )2056, (u32 )103}, 
155        {(u32 )2052, (u32 )108}, 
156        {(u32 )2072, (u32 )105}, 
157        {(u32 )2064, (u32 )106}, 
158        {(u32 )2074, (u32 )393}, 
159        {(u32 )2054, (u32 )392}, 
160        {(u32 )2078, (u32 )377}, 
161        {(u32 )2082, (u32 )174}, 
162        {(u32 )2101, (u32 )402}, 
163        {(u32 )2084, (u32 )403}, 
164        {(u32 )2085, (u32 )28}, 
165        {(u32 )2105, (u32 )119}, 
166        {(u32 )2081, (u32 )412}, 
167        {(u32 )2073, (u32 )407}, 
168        {(u32 )2097, (u32 )168}, 
169        {(u32 )2053, (u32 )208}, 
170        {(u32 )2057, (u32 )128}, 
171        {(u32 )2065, (u32 )167}, 
172        {(u32 )2089, (u32 )116}, 
173        {(u32 )2094, (u32 )372}, 
174        {(u32 )2092, (u32 )112}, 
175        {(u32 )2076, (u32 )102}, 
176        {(u32 )2106, (u32 )366}, 
177        {(u32 )2050, (u32 )113}, 
178        {(u32 )2110, (u32 )389}};
179#line 70 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
180static struct rc_map_list asus_pc39_map  =    {{(struct list_head *)0, (struct list_head *)0}, {asus_pc39, (unsigned int )(sizeof(asus_pc39) / sizeof(asus_pc39[0]) + sizeof(struct __anonstruct_220 )),
181                                                     0U, 0U, (u64 )1, "rc-asus-pc39",
182                                                     {{{{{0U}}, 0U, 0U, (void *)0}}}}};
183#line 79
184static int init_rc_map_asus_pc39(void)  __attribute__((__section__(".init.text"),
185__no_instrument_function__)) ;
186#line 79 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
187static int init_rc_map_asus_pc39(void) 
188{ int tmp ;
189
190  {
191  {
192#line 81
193  tmp = rc_map_register(& asus_pc39_map);
194  }
195#line 81
196  return (tmp);
197}
198}
199#line 84
200static void exit_rc_map_asus_pc39(void)  __attribute__((__section__(".exit.text"),
201__no_instrument_function__)) ;
202#line 84 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
203static void exit_rc_map_asus_pc39(void) 
204{ 
205
206  {
207  {
208#line 86
209  rc_map_unregister(& asus_pc39_map);
210  }
211#line 87
212  return;
213}
214}
215#line 89 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
216int init_module(void) 
217{ int tmp ;
218
219  {
220  {
221#line 89
222  tmp = init_rc_map_asus_pc39();
223  }
224#line 89
225  return (tmp);
226}
227}
228#line 90 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
229void cleanup_module(void) 
230{ 
231
232  {
233  {
234#line 90
235  exit_rc_map_asus_pc39();
236  }
237#line 90
238  return;
239}
240}
241#line 92 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
242static char const   __mod_license92[12]  __attribute__((__used__, __unused__, __section__(".modinfo"),
243__aligned__(1)))  = 
244#line 92
245  {      (char const   )'l',      (char const   )'i',      (char const   )'c',      (char const   )'e', 
246        (char const   )'n',      (char const   )'s',      (char const   )'e',      (char const   )'=', 
247        (char const   )'G',      (char const   )'P',      (char const   )'L',      (char const   )'\000'};
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/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
249static char const   __mod_author93[50]  __attribute__((__used__, __unused__, __section__(".modinfo"),
250__aligned__(1)))  = 
251#line 93
252  {      (char const   )'a',      (char const   )'u',      (char const   )'t',      (char const   )'h', 
253        (char const   )'o',      (char const   )'r',      (char const   )'=',      (char const   )'M', 
254        (char const   )'a',      (char const   )'u',      (char const   )'r',      (char const   )'o', 
255        (char const   )' ',      (char const   )'C',      (char const   )'a',      (char const   )'r', 
256        (char const   )'v',      (char const   )'a',      (char const   )'l',      (char const   )'h', 
257        (char const   )'o',      (char const   )' ',      (char const   )'C',      (char const   )'h', 
258        (char const   )'e',      (char const   )'h',      (char const   )'a',      (char const   )'b', 
259        (char const   )' ',      (char const   )'<',      (char const   )'m',      (char const   )'c', 
260        (char const   )'h',      (char const   )'e',      (char const   )'h',      (char const   )'a', 
261        (char const   )'b',      (char const   )'@',      (char const   )'r',      (char const   )'e', 
262        (char const   )'d',      (char const   )'h',      (char const   )'a',      (char const   )'t', 
263        (char const   )'.',      (char const   )'c',      (char const   )'o',      (char const   )'m', 
264        (char const   )'>',      (char const   )'\000'};
265#line 111
266void ldv_check_final_state(void) ;
267#line 117
268extern void ldv_initialize(void) ;
269#line 120
270extern int __VERIFIER_nondet_int(void) ;
271#line 123 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
272int LDV_IN_INTERRUPT  ;
273#line 126 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
274void main(void) 
275{ int tmp ;
276  int tmp___0 ;
277  int tmp___1 ;
278
279  {
280  {
281#line 138
282  LDV_IN_INTERRUPT = 1;
283#line 147
284  ldv_initialize();
285#line 153
286  tmp = init_rc_map_asus_pc39();
287  }
288#line 153
289  if (tmp) {
290#line 154
291    goto ldv_final;
292  } else {
293
294  }
295  {
296#line 156
297  while (1) {
298    while_continue: /* CIL Label */ ;
299    {
300#line 156
301    tmp___1 = __VERIFIER_nondet_int();
302    }
303#line 156
304    if (tmp___1) {
305
306    } else {
307#line 156
308      goto while_break;
309    }
310    {
311#line 159
312    tmp___0 = __VERIFIER_nondet_int();
313    }
314    {
315#line 161
316    goto switch_default;
317#line 159
318    if (0) {
319      switch_default: /* CIL Label */ 
320#line 161
321      goto switch_break;
322    } else {
323      switch_break: /* CIL Label */ ;
324    }
325    }
326  }
327  while_break: /* CIL Label */ ;
328  }
329  {
330#line 173
331  exit_rc_map_asus_pc39();
332  }
333  ldv_final: 
334  {
335#line 176
336  ldv_check_final_state();
337  }
338#line 179
339  return;
340}
341}
342#line 5 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast-assert.h"
343void ldv_blast_assert(void) 
344{ 
345
346  {
347  ERROR: 
348#line 6
349  goto ERROR;
350}
351}
352#line 6 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/engine-blast.h"
353extern int __VERIFIER_nondet_int(void) ;
354#line 19 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
355int ldv_mutex  =    1;
356#line 22 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
357int __attribute__((__warn_unused_result__))  mutex_lock_interruptible(struct mutex *lock ) 
358{ int nondetermined ;
359
360  {
361#line 29
362  if (ldv_mutex == 1) {
363
364  } else {
365    {
366#line 29
367    ldv_blast_assert();
368    }
369  }
370  {
371#line 32
372  nondetermined = __VERIFIER_nondet_int();
373  }
374#line 35
375  if (nondetermined) {
376#line 38
377    ldv_mutex = 2;
378#line 40
379    return (0);
380  } else {
381#line 45
382    return (-4);
383  }
384}
385}
386#line 50 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
387int __attribute__((__warn_unused_result__))  mutex_lock_killable(struct mutex *lock ) 
388{ int nondetermined ;
389
390  {
391#line 57
392  if (ldv_mutex == 1) {
393
394  } else {
395    {
396#line 57
397    ldv_blast_assert();
398    }
399  }
400  {
401#line 60
402  nondetermined = __VERIFIER_nondet_int();
403  }
404#line 63
405  if (nondetermined) {
406#line 66
407    ldv_mutex = 2;
408#line 68
409    return (0);
410  } else {
411#line 73
412    return (-4);
413  }
414}
415}
416#line 78 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
417int atomic_dec_and_mutex_lock(atomic_t *cnt , struct mutex *lock ) 
418{ int atomic_value_after_dec ;
419
420  {
421#line 83
422  if (ldv_mutex == 1) {
423
424  } else {
425    {
426#line 83
427    ldv_blast_assert();
428    }
429  }
430  {
431#line 86
432  atomic_value_after_dec = __VERIFIER_nondet_int();
433  }
434#line 89
435  if (atomic_value_after_dec == 0) {
436#line 92
437    ldv_mutex = 2;
438#line 94
439    return (1);
440  } else {
441
442  }
443#line 98
444  return (0);
445}
446}
447#line 103 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
448void mutex_lock(struct mutex *lock ) 
449{ 
450
451  {
452#line 108
453  if (ldv_mutex == 1) {
454
455  } else {
456    {
457#line 108
458    ldv_blast_assert();
459    }
460  }
461#line 110
462  ldv_mutex = 2;
463#line 111
464  return;
465}
466}
467#line 114 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
468int mutex_trylock(struct mutex *lock ) 
469{ int nondetermined ;
470
471  {
472#line 121
473  if (ldv_mutex == 1) {
474
475  } else {
476    {
477#line 121
478    ldv_blast_assert();
479    }
480  }
481  {
482#line 124
483  nondetermined = __VERIFIER_nondet_int();
484  }
485#line 127
486  if (nondetermined) {
487#line 130
488    ldv_mutex = 2;
489#line 132
490    return (1);
491  } else {
492#line 137
493    return (0);
494  }
495}
496}
497#line 142 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
498void mutex_unlock(struct mutex *lock ) 
499{ 
500
501  {
502#line 147
503  if (ldv_mutex == 2) {
504
505  } else {
506    {
507#line 147
508    ldv_blast_assert();
509    }
510  }
511#line 149
512  ldv_mutex = 1;
513#line 150
514  return;
515}
516}
517#line 153 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/kernel-rules/files/model0032.c"
518void ldv_check_final_state(void) 
519{ 
520
521  {
522#line 156
523  if (ldv_mutex == 1) {
524
525  } else {
526    {
527#line 156
528    ldv_blast_assert();
529    }
530  }
531#line 157
532  return;
533}
534}
535#line 188 "/home/zakharov/launch/work/current--X--drivers/--X--defaultlinux-3.4--X--32_1--X--cpachecker/linux-3.4/csd_deg_dscv/12863/dscv_tempdir/dscv/ri/32_1/drivers/media/rc/keymaps/rc-asus-pc39.c.common.c"
536long s__builtin_expect(long val , long res ) 
537{ 
538
539  {
540#line 189
541  return (val);
542}
543}