C++ (Cpp) __VERIFIER_nondet_pointer Beispiele

Beispiel #1

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Datei: mix015_tso.opt_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

void * P0(void *arg)
{
  __VERIFIER_atomic_begin();
  a = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p0_EAX = x;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p0_EBX = y;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #2

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Datei: safe032_rmo.opt_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

void * P1(void *arg)
{
  __VERIFIER_atomic_begin();
  x = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$r_buff0_thd2;
  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? FALSE : x$r_buff1_thd2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_bool();
  weak$$choice2 = __VERIFIER_nondet_bool();
  x$flush_delayed = weak$$choice2;
  x$mem_tmp = x;
  x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1);
  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0));
  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1));
  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$w_buff0_used));
  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : FALSE));
  x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$r_buff0_thd2));
  x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : FALSE));
  __unbuffered_p1_EAX = x;
  x = x$flush_delayed ? x$mem_tmp : x;
  x$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$r_buff0_thd2;
  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? FALSE : x$r_buff1_thd2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #3

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Datei: safe023_rmo.oepc_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

void * P0(void *arg)
{
  __VERIFIER_atomic_begin();
  y = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y);
  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? FALSE : y$w_buff0_used;
  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? FALSE : y$w_buff1_used;
  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? FALSE : y$r_buff0_thd1;
  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? FALSE : y$r_buff1_thd1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_bool();
  weak$$choice2 = __VERIFIER_nondet_bool();
  y$flush_delayed = weak$$choice2;
  y$mem_tmp = y;
  y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1);
  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0));
  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1));
  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? FALSE : y$w_buff0_used));
  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? FALSE : FALSE));
  y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? FALSE : y$r_buff0_thd1));
  y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? FALSE : FALSE));
  __unbuffered_p0_EAX = y;
  y = y$flush_delayed ? y$mem_tmp : y;
  y$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y);
  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? FALSE : y$w_buff0_used;
  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? FALSE : y$w_buff1_used;
  y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? FALSE : y$r_buff0_thd1;
  y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? FALSE : y$r_buff1_thd1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #4

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Datei: safe025_power.oepc_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

void * P1(void *arg)
{
  __VERIFIER_atomic_begin();
  x$w_buff1 = x$w_buff0;
  x$w_buff0 = 1;
  x$w_buff1_used = x$w_buff0_used;
  x$w_buff0_used = TRUE;
  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used));
  x$r_buff1_thd0 = x$r_buff0_thd0;
  x$r_buff1_thd1 = x$r_buff0_thd1;
  x$r_buff1_thd2 = x$r_buff0_thd2;
  x$r_buff1_thd3 = x$r_buff0_thd3;
  x$r_buff0_thd2 = TRUE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x$w_buff1 = x$w_buff0;
  x$w_buff0 = 2;
  x$w_buff1_used = x$w_buff0_used;
  x$w_buff0_used = TRUE;
  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used));
  x$r_buff1_thd0 = x$r_buff0_thd0;
  x$r_buff1_thd1 = x$r_buff0_thd1;
  x$r_buff1_thd2 = x$r_buff0_thd2;
  x$r_buff1_thd3 = x$r_buff0_thd3;
  x$r_buff0_thd2 = TRUE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? FALSE : x$r_buff0_thd2;
  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? FALSE : x$r_buff1_thd2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #5

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Datei: mix006_rmo.oepc_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

void * P1(void *arg)
{
    __VERIFIER_atomic_begin();
    x = 2;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_p1_EAX = x;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_p1_EBX = y;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z);
    z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? FALSE : z$w_buff0_used;
    z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? FALSE : z$w_buff1_used;
    z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? FALSE : z$r_buff0_thd2;
    z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? FALSE : z$r_buff1_thd2;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_cnt = __unbuffered_cnt + 1;
    __VERIFIER_atomic_end();
    return __VERIFIER_nondet_pointer();
}

Beispiel #6

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Datei: mix027_tso.opt_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

void * P3(void *arg)
{
  __VERIFIER_atomic_begin();
  z = 2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EAX = z;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EBX = a;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? FALSE : x$r_buff0_thd4;
  x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? FALSE : x$r_buff1_thd4;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #7

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Datei: mix023_power.oepc_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

void * P1(void *arg)
{
    __VERIFIER_atomic_begin();
    x = 2;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_p1_EAX = x;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_p1_EBX = y;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a);
    a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? FALSE : a$w_buff0_used;
    a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? FALSE : a$w_buff1_used;
    a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? FALSE : a$r_buff0_thd2;
    a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? FALSE : a$r_buff1_thd2;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_cnt = __unbuffered_cnt + 1;
    __VERIFIER_atomic_end();
    return __VERIFIER_nondet_pointer();
}

Beispiel #8

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Datei: mix005_tso.oepc_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

void * P2(void *arg)
{
  __VERIFIER_atomic_begin();
  y = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p2_EAX = y;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p2_EBX = z;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? FALSE : x$r_buff0_thd3;
  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? FALSE : x$r_buff1_thd3;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #9

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Datei: mix023_power.opt_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

void * P3(void *arg)
{
  __VERIFIER_atomic_begin();
  z = 2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EAX = z;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EBX = a;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y);
  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? FALSE : y$w_buff0_used;
  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? FALSE : y$w_buff1_used;
  y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? FALSE : y$r_buff0_thd4;
  y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? FALSE : y$r_buff1_thd4;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #10

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Datei: mix007_power.oepc_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

void * P2(void *arg)
{
    __VERIFIER_atomic_begin();
    y = 2;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_p2_EAX = y;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_p2_EBX = z;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a);
    a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? FALSE : a$w_buff0_used;
    a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? FALSE : a$w_buff1_used;
    a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? FALSE : a$r_buff0_thd3;
    a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? FALSE : a$r_buff1_thd3;
    __VERIFIER_atomic_end();
    __VERIFIER_atomic_begin();
    __unbuffered_cnt = __unbuffered_cnt + 1;
    __VERIFIER_atomic_end();
    return __VERIFIER_nondet_pointer();
}

Beispiel #11

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Datei: thin002_power.opt_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

int main()
{
  pthread_t t2709;
  pthread_create(&t2709, NULL, P0, NULL);
  pthread_t t2710;
  pthread_create(&t2710, NULL, P1, NULL);
  pthread_t t2711;
  pthread_create(&t2711, NULL, P2, NULL);
  pthread_t t2712;
  pthread_create(&t2712, NULL, P3, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 4;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z);
  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$w_buff0_used;
  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? FALSE : z$w_buff1_used;
  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$r_buff0_thd0;
  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? FALSE : z$r_buff1_thd0;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice1 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __unbuffered_p3_EAX = __unbuffered_p3_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p3_EAX$read_delayed_var : __unbuffered_p3_EAX) : __unbuffered_p3_EAX;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p3_EAX == 1);
  __VERIFIER_atomic_end();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Beispiel #12

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Datei: mix001_pso.oepc_false-unreach-call.c Projekt: QEuphemia/sv-benchmarks

void * P2(void *arg)
{
  __VERIFIER_atomic_begin();
  y = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p2_EAX = y;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_bool();
  weak$$choice2 = __VERIFIER_nondet_bool();
  z$flush_delayed = weak$$choice2;
  z$mem_tmp = z;
  z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1);
  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0));
  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1));
  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? FALSE : z$w_buff0_used));
  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? FALSE : FALSE));
  z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? FALSE : z$r_buff0_thd3));
  z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? FALSE : FALSE));
  __unbuffered_p2_EBX = z;
  z = z$flush_delayed ? z$mem_tmp : z;
  z$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z);
  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? FALSE : z$w_buff0_used;
  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? FALSE : z$w_buff1_used;
  z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? FALSE : z$r_buff0_thd3;
  z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? FALSE : z$r_buff1_thd3;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #13

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Datei: mix037_pso.opt_false-unreach-call.c Projekt: QEuphemia/sv-benchmarks

void * P3(void *arg)
{
  __VERIFIER_atomic_begin();
  z$w_buff1 = z$w_buff0;
  z$w_buff0 = 1;
  z$w_buff1_used = z$w_buff0_used;
  z$w_buff0_used = TRUE;
  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used));
  z$r_buff1_thd0 = z$r_buff0_thd0;
  z$r_buff1_thd1 = z$r_buff0_thd1;
  z$r_buff1_thd2 = z$r_buff0_thd2;
  z$r_buff1_thd3 = z$r_buff0_thd3;
  z$r_buff1_thd4 = z$r_buff0_thd4;
  z$r_buff0_thd4 = TRUE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  a = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EAX = a;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EBX = b;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z);
  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? FALSE : z$w_buff0_used;
  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? FALSE : z$w_buff1_used;
  z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? FALSE : z$r_buff0_thd4;
  z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? FALSE : z$r_buff1_thd4;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #14

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Datei: safe025_power.oepc_false-unreach-call.c Projekt: oliverstth/sv-benchmarks

void * P2(void *arg)
{
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_bool();
  weak$$choice2 = __VERIFIER_nondet_bool();
  x$flush_delayed = weak$$choice2;
  x$mem_tmp = x;
  weak$$choice1 = __VERIFIER_nondet_bool();
  x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))));
  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff0 : x$w_buff0))));
  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff1 : x$w_buff1))));
  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd3 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : weak$$choice0))));
  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd3 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? FALSE : FALSE))));
  x$r_buff0_thd3 = weak$$choice2 ? x$r_buff0_thd3 : (!x$w_buff0_used ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? FALSE : FALSE))));
  x$r_buff1_thd3 = weak$$choice2 ? x$r_buff1_thd3 : (!x$w_buff0_used ? x$r_buff1_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$r_buff1_thd3 : FALSE) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? FALSE : FALSE))));
  __unbuffered_p2_EAX$read_delayed = TRUE;
  __unbuffered_p2_EAX$read_delayed_var = &x;
  __unbuffered_p2_EAX = x;
  x = x$flush_delayed ? x$mem_tmp : x;
  x$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p2_EBX = y;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? FALSE : x$r_buff0_thd3;
  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? FALSE : x$r_buff1_thd3;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Beispiel #15

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Datei: mix023_tso.oepc_false-unreach-call.c Projekt: QEuphemia/sv-benchmarks

int main()
{
  pthread_t t625;
  pthread_create(&t625, NULL, P0, NULL);
  pthread_t t626;
  pthread_create(&t626, NULL, P1, NULL);
  pthread_t t627;
  pthread_create(&t627, NULL, P2, NULL);
  pthread_t t628;
  pthread_create(&t628, NULL, P3, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 4;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$r_buff0_thd0;
  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? FALSE : x$r_buff1_thd0;
  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z);
  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$w_buff0_used;
  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? FALSE : z$w_buff1_used;
  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$r_buff0_thd0;
  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? FALSE : z$r_buff1_thd0;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  /* Program proven to be relaxed for X86, model checker says YES. */
  weak$$choice0 = __VERIFIER_nondet_pointer();
  /* Program proven to be relaxed for X86, model checker says YES. */
  weak$$choice2 = __VERIFIER_nondet_pointer();
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$flush_delayed = weak$$choice2;
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$mem_tmp = z;
  /* Program proven to be relaxed for X86, model checker says YES. */
  z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1);
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0));
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1));
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$w_buff0_used));
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : FALSE));
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$r_buff0_thd0));
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : FALSE));
  /* Program proven to be relaxed for X86, model checker says YES. */
  weak$$choice0 = __VERIFIER_nondet_pointer();
  /* Program proven to be relaxed for X86, model checker says YES. */
  weak$$choice2 = __VERIFIER_nondet_pointer();
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$flush_delayed = weak$$choice2;
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$mem_tmp = x;
  /* Program proven to be relaxed for X86, model checker says YES. */
  x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1);
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0));
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1));
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$w_buff0_used));
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : FALSE));
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$r_buff0_thd0));
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : FALSE));
  /* Program proven to be relaxed for X86, model checker says YES. */
  main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0);
  /* Program proven to be relaxed for X86, model checker says YES. */
  z = z$flush_delayed ? z$mem_tmp : z;
  /* Program proven to be relaxed for X86, model checker says YES. */
  z$flush_delayed = FALSE;
  /* Program proven to be relaxed for X86, model checker says YES. */
  x = x$flush_delayed ? x$mem_tmp : x;
  /* Program proven to be relaxed for X86, model checker says YES. */
  x$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  /* Program proven to be relaxed for X86, model checker says YES. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Beispiel #16

0

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Datei: safe021_power.opt_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

int main()
{
  pthread_t t2284;
  pthread_create(&t2284, NULL, P0, NULL);
  pthread_t t2285;
  pthread_create(&t2285, NULL, P1, NULL);
  pthread_t t2286;
  pthread_create(&t2286, NULL, P2, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 3;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x);
  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$w_buff0_used;
  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? FALSE : x$w_buff1_used;
  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$r_buff0_thd0;
  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? FALSE : x$r_buff1_thd0;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice0 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice2 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$flush_delayed = weak$$choice2;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$mem_tmp = x;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1);
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$w_buff0_used));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : x$r_buff0_thd0));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0);
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x = x$flush_delayed ? x$mem_tmp : x;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  x$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Beispiel #17

0

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Datei: safe031_pso.opt_false-unreach-call.c Projekt: QEuphemia/sv-benchmarks

int main()
{
  pthread_t t2522;
  pthread_create(&t2522, NULL, P0, NULL);
  pthread_t t2523;
  pthread_create(&t2523, NULL, P1, NULL);
  pthread_t t2524;
  pthread_create(&t2524, NULL, P2, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 3;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y);
  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? FALSE : y$w_buff0_used;
  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? FALSE : y$w_buff1_used;
  y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? FALSE : y$r_buff0_thd0;
  y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? FALSE : y$r_buff1_thd0;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice0 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice2 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$flush_delayed = weak$$choice2;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$mem_tmp = y;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1);
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : y$w_buff0_used));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : y$r_buff0_thd0));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0);
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y = y$flush_delayed ? y$mem_tmp : y;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Beispiel #18

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Datei: test23_true.c Projekt: AnnaTrost/2ls

struct dummy *get_dummy()
{
  return (struct dummy *) __VERIFIER_nondet_pointer();
}

Beispiel #19

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Datei: lib.c Projekt: Linhos13/svc15

char *__VERIFIER_nondet_pchar()
{
	return __VERIFIER_nondet_pointer();
}

Beispiel #20

0

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Datei: safe011_power.oepc_false-unreach-call.c Projekt: Heizmann/sv-benchmarks

int main()
{
  pthread_t t2025;
  pthread_create(&t2025, NULL, P0, NULL);
  pthread_t t2026;
  pthread_create(&t2026, NULL, P1, NULL);
  pthread_t t2027;
  pthread_create(&t2027, NULL, P2, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 3;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z);
  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$w_buff0_used;
  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? FALSE : z$w_buff1_used;
  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$r_buff0_thd0;
  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? FALSE : z$r_buff1_thd0;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice0 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice2 = __VERIFIER_nondet_pointer();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$flush_delayed = weak$$choice2;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$mem_tmp = z;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1);
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$w_buff0_used));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : z$r_buff0_thd0));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1);
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z = z$flush_delayed ? z$mem_tmp : z;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  z$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}