#include <pthread.h>
#include <stdlib.h>
#include <libunwind.h>

void
foo_0 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_1 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_2 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_3 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_4 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_5 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_6 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_7 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_8 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_9 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_10 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_11 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_12 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_13 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_14 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_15 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_16 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_17 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_18 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_19 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_20 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_21 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_22 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_23 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_24 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_25 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_26 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_27 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_28 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_29 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_30 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_31 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_32 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_33 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_34 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_35 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_36 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_37 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_38 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_39 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_40 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_41 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_42 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_43 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_44 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_45 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_46 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_47 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_48 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_49 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_50 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_51 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_52 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_53 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_54 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_55 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_56 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_57 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_58 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_59 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_60 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_61 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_62 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_63 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_64 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_65 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_66 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_67 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_68 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_69 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_70 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_71 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_72 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_73 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_74 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_75 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_76 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_77 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_78 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_79 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_80 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_81 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_82 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_83 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_84 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_85 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_86 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_87 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_88 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_89 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_90 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_91 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_92 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_93 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_94 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_95 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_96 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_97 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_98 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_99 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_100 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_101 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_102 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_103 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_104 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_105 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_106 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_107 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_108 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_109 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_110 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_111 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_112 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_113 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_114 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_115 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_116 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_117 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_118 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_119 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_120 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_121 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_122 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_123 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_124 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_125 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_126 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_127 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void
foo_128 (void)
{
  void *buf[20];
  int n;

  if ((n = backtrace (buf, 20)) < 3)
    abort ();
}

void *
bar(void *p)
{
  int i;
  for (i = 0; i < 1000; ++i) {
    foo_0 ();
    foo_1 ();
    foo_2 ();
    foo_3 ();
    foo_4 ();
    foo_5 ();
    foo_6 ();
    foo_7 ();
    foo_8 ();
    foo_9 ();
    foo_10 ();
    foo_11 ();
    foo_12 ();
    foo_13 ();
    foo_14 ();
    foo_15 ();
    foo_16 ();
    foo_17 ();
    foo_18 ();
    foo_19 ();
    foo_20 ();
    foo_21 ();
    foo_22 ();
    foo_23 ();
    foo_24 ();
    foo_25 ();
    foo_26 ();
    foo_27 ();
    foo_28 ();
    foo_29 ();
    foo_30 ();
    foo_31 ();
    foo_32 ();
    foo_33 ();
    foo_34 ();
    foo_35 ();
    foo_36 ();
    foo_37 ();
    foo_38 ();
    foo_39 ();
    foo_40 ();
    foo_41 ();
    foo_42 ();
    foo_43 ();
    foo_44 ();
    foo_45 ();
    foo_46 ();
    foo_47 ();
    foo_48 ();
    foo_49 ();
    foo_50 ();
    foo_51 ();
    foo_52 ();
    foo_53 ();
    foo_54 ();
    foo_55 ();
    foo_56 ();
    foo_57 ();
    foo_58 ();
    foo_59 ();
    foo_60 ();
    foo_61 ();
    foo_62 ();
    foo_63 ();
    foo_64 ();
    foo_65 ();
    foo_66 ();
    foo_67 ();
    foo_68 ();
    foo_69 ();
    foo_70 ();
    foo_71 ();
    foo_72 ();
    foo_73 ();
    foo_74 ();
    foo_75 ();
    foo_76 ();
    foo_77 ();
    foo_78 ();
    foo_79 ();
    foo_80 ();
    foo_81 ();
    foo_82 ();
    foo_83 ();
    foo_84 ();
    foo_85 ();
    foo_86 ();
    foo_87 ();
    foo_88 ();
    foo_89 ();
    foo_90 ();
    foo_91 ();
    foo_92 ();
    foo_93 ();
    foo_94 ();
    foo_95 ();
    foo_96 ();
    foo_97 ();
    foo_98 ();
    foo_99 ();
    foo_100 ();
    foo_101 ();
    foo_102 ();
    foo_103 ();
    foo_104 ();
    foo_105 ();
    foo_106 ();
    foo_107 ();
    foo_108 ();
    foo_109 ();
    foo_110 ();
    foo_111 ();
    foo_112 ();
    foo_113 ();
    foo_114 ();
    foo_115 ();
    foo_116 ();
    foo_117 ();
    foo_118 ();
    foo_119 ();
    foo_120 ();
    foo_121 ();
    foo_122 ();
    foo_123 ();
    foo_124 ();
    foo_125 ();
    foo_126 ();
    foo_127 ();
    foo_128 ();
  }
  return NULL;
}

#ifndef NTHREAD
#define NTHREAD 10
#endif

int main ()
{
  pthread_t tid[NTHREAD];
  int i;

  for (i = 0; i < NTHREAD; ++i)
    if (pthread_create (&tid[i], NULL, bar, NULL))
      return 1;

  for (i = 0; i < NTHREAD; ++i)
    if (pthread_join (tid[i], NULL))
      return 1;

  return 0;
}