Exemplos de __VERIFIER_atomic_begin em C++ (Cpp)

Exemplo n.º 1

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Arquivo: mix028_pso.oepc_false-unreach-call.c Projeto: QEuphemia/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();
  weak$$choice0 = __VERIFIER_nondet_pointer();
  weak$$choice2 = __VERIFIER_nondet_pointer();
  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();
}

Exemplo n.º 2

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Arquivo: safe020_pso.oepc_true-unreach-call.c Projeto: QEuphemia/sv-benchmarks

int main()
{
  pthread_t t2263;
  pthread_create(&t2263, NULL, P0, NULL);
  pthread_t t2264;
  pthread_create(&t2264, NULL, P1, NULL);
  pthread_t t2265;
  pthread_create(&t2265, NULL, P2, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 3;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  __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. */
  main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1);
  __VERIFIER_atomic_end();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Exemplo n.º 3

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Arquivo: mix012_power.opt_false-unreach-call.c Projeto: oliverstth/sv-benchmarks

void * P1(void *arg)
{
  __VERIFIER_atomic_begin();
  x = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p1_EAX = x;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_pointer();
  weak$$choice2 = __VERIFIER_nondet_pointer();
  y$flush_delayed = weak$$choice2;
  y$mem_tmp = y;
  y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1);
  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0));
  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1));
  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$w_buff0_used));
  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : FALSE));
  y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$r_buff0_thd2));
  y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : FALSE));
  __unbuffered_p1_EBX = y;
  y = y$flush_delayed ? y$mem_tmp : y;
  y$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y);
  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$w_buff0_used;
  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? FALSE : y$w_buff1_used;
  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$r_buff0_thd2;
  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? FALSE : y$r_buff1_thd2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Exemplo n.º 4

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Arquivo: safe020_power.opt_false-unreach-call.c Projeto: 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();
  y = 1;
  __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();
}

Exemplo n.º 5

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Arquivo: rfi008_power.opt_false-unreach-call.c_anno.c_pyc.c Projeto: heryxpc/prototype

int main()
{
  pthread_create(NULL, NULL, P0, NULL);
  pthread_create(NULL, NULL, P1, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 2;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$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 proven to be relaxed for X86, model checker says YES. */
  main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0);
  __VERIFIER_atomic_end();
  /* Program proven to be relaxed for X86, model checker says YES. */
  __VERIFIER_assert(main$tmp_guard1);
  /* reachable */
  return 0;
}

Exemplo n.º 6

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Arquivo: mix004_power.oepc_false-unreach-call.c Projeto: QEuphemia/sv-benchmarks

void * P3(void *arg)
{
  __VERIFIER_atomic_begin();
  z = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EAX = z;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_pointer();
  weak$$choice2 = __VERIFIER_nondet_pointer();
  a$flush_delayed = weak$$choice2;
  a$mem_tmp = a;
  a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1);
  a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0));
  a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1));
  a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? FALSE : a$w_buff0_used));
  a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? FALSE : FALSE));
  a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? FALSE : a$r_buff0_thd4));
  a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? FALSE : FALSE));
  __unbuffered_p3_EBX = a;
  a = a$flush_delayed ? a$mem_tmp : a;
  a$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a);
  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? FALSE : a$w_buff0_used;
  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? FALSE : a$w_buff1_used;
  a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? FALSE : a$r_buff0_thd4;
  a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? FALSE : a$r_buff1_thd4;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Exemplo n.º 7

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Arquivo: thin000_power.opt_false-unreach-call.c_anno.c Projeto: heryxpc/prototype

void * P1(void *arg)
{
  __VERIFIER_atomic_begin();
  weak$$choice0 = nondet_1();
  weak$$choice2 = nondet_1();
  x$flush_delayed = weak$$choice2;
  x$mem_tmp = x;
  weak$$choice1 = nondet_1();
  x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))));
  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))));
  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))));
  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$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$r_buff0_thd2 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? FALSE : FALSE))));
  x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? FALSE : FALSE))));
  x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? FALSE : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : FALSE) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? FALSE : FALSE))));
  __unbuffered_p1_EAX$read_delayed = TRUE;
  __unbuffered_p1_EAX$read_delayed_var = &x;
  __unbuffered_p1_EAX = x;
  x = x$flush_delayed ? x$mem_tmp : x;
  x$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y = 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();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return nondet_0();
}

Exemplo n.º 8

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Arquivo: safe030_tso.opt_true-unreach-call.c Projeto: QEuphemia/sv-benchmarks

int main()
{
  pthread_t t2510;
  pthread_create(&t2510, NULL, P0, NULL);
  pthread_t t2511;
  pthread_create(&t2511, NULL, P1, NULL);
  pthread_t t2512;
  pthread_create(&t2512, NULL, P2, NULL);
  __VERIFIER_atomic_begin();
  main$tmp_guard0 = __unbuffered_cnt == 3;
  __VERIFIER_atomic_end();
  __VERIFIER_assume(main$tmp_guard0);
  __VERIFIER_atomic_begin();
  __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. */
  main$tmp_guard1 = !(x == 2 && y == 2 && z == 2);
  __VERIFIER_atomic_end();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Exemplo n.º 9

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Arquivo: rfi007_pso.oepc_false-unreach-call.c Projeto: Heizmann/sv-benchmarks

void * P1(void *arg)
{
  __VERIFIER_atomic_begin();
  y = 2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p1_EAX = y;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_pointer();
  weak$$choice2 = __VERIFIER_nondet_pointer();
  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$r_buff0_thd2 ? FALSE : FALSE));
  __unbuffered_p1_EBX = x;
  x = x$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();
}

Exemplo n.º 10

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Arquivo: mix002_power.oepc_false-unreach-call.c_anno.c_pyc.c Projeto: heryxpc/prototype

void * P2(void *arg)
{
  __VERIFIER_atomic_begin();
  z = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p2_EAX = z;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = nondet_1();
  weak$$choice2 = nondet_1();
  a$flush_delayed = weak$$choice2;
  a$mem_tmp = a;
  a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1);
  a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0));
  a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1));
  a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? FALSE : a$w_buff0_used));
  a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? FALSE : FALSE));
  a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? FALSE : a$r_buff0_thd3));
  a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? FALSE : FALSE));
  __unbuffered_p2_EBX = a;
  a = a$flush_delayed ? a$mem_tmp : a;
  a$flush_delayed = FALSE;
  __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 nondet_0();
}

Exemplo n.º 11

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Arquivo: mix001_tso.oepc_false-unreach-call.c Projeto: heryxpc/prototype

int main()
{
  pthread_create(NULL, NULL, P0, NULL);
  pthread_create(NULL, NULL, P1, NULL);
  pthread_create(NULL, 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 proven to be relaxed for X86, model checker says YES. */
  main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0);
  __VERIFIER_atomic_end();
  /* Program proven to be relaxed for X86, model checker says YES. */
  __VERIFIER_assert(main$tmp_guard1);
  return 0;
}

Exemplo n.º 12

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Arquivo: mix015_tso.opt_false-unreach-call.c Projeto: 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();
}

Exemplo n.º 13

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Arquivo: mix033_pso.oepc_false-unreach-call.c_anno.c Projeto: heryxpc/prototype

void * P2(void *arg)
{
  __VERIFIER_atomic_begin();
  z = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  a = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p2_EAX = a;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = nondet_1();
  weak$$choice2 = nondet_1();
  b$flush_delayed = weak$$choice2;
  b$mem_tmp = b;
  b = !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1);
  b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0));
  b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1));
  b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? FALSE : b$w_buff0_used));
  b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? FALSE : FALSE));
  b$r_buff0_thd3 = weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? FALSE : b$r_buff0_thd3));
  b$r_buff1_thd3 = weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? FALSE : FALSE));
  __unbuffered_p2_EBX = b;
  b = b$flush_delayed ? b$mem_tmp : b;
  b$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b);
  b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? FALSE : b$w_buff0_used;
  b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? FALSE : b$w_buff1_used;
  b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? FALSE : b$r_buff0_thd3;
  b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? FALSE : b$r_buff1_thd3;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return nondet_0();
}

Exemplo n.º 14

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Arquivo: mix041_power.oepc_false-unreach-call.c Projeto: heryxpc/prototype

void * P1(void *arg)
{
  __VERIFIER_atomic_begin();
  x = 2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p1_EAX = y;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = nondet_1();
  weak$$choice2 = nondet_1();
  z$flush_delayed = weak$$choice2;
  z$mem_tmp = z;
  z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1);
  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0));
  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1));
  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? FALSE : z$w_buff0_used));
  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? FALSE : FALSE));
  z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? FALSE : z$r_buff0_thd2));
  z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? FALSE : FALSE));
  __unbuffered_p1_EBX = z;
  z = z$flush_delayed ? z$mem_tmp : z;
  z$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  z = z$w_buff0_used && z$r_buff0_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 nondet_0();
}

Exemplo n.º 15

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Arquivo: mix046_power.oepc_false-unreach-call.c Projeto: oliverstth/sv-benchmarks

void * P3(void *arg)
{
  __VERIFIER_atomic_begin();
  z = 2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  a = 1;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_p3_EAX = a;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = __VERIFIER_nondet_pointer();
  weak$$choice2 = __VERIFIER_nondet_pointer();
  b$flush_delayed = weak$$choice2;
  b$mem_tmp = b;
  b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1);
  b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0));
  b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1));
  b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? FALSE : b$w_buff0_used));
  b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? FALSE : FALSE));
  b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? FALSE : b$r_buff0_thd4));
  b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? FALSE : FALSE));
  __unbuffered_p3_EBX = b;
  b = b$flush_delayed ? b$mem_tmp : b;
  b$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b);
  b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? FALSE : b$w_buff0_used;
  b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? FALSE : b$w_buff1_used;
  b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? FALSE : b$r_buff0_thd4;
  b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? FALSE : b$r_buff1_thd4;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return __VERIFIER_nondet_pointer();
}

Exemplo n.º 16

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Arquivo: mix037_pso.opt_false-unreach-call.c Projeto: 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();
}

Exemplo n.º 17

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Arquivo: mix023_tso.oepc_false-unreach-call.c Projeto: 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;
}

Exemplo n.º 18

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Arquivo: safe000_rmo.opt_false-unreach-call.c Projeto: QEuphemia/sv-benchmarks

int main()
{
    pthread_t t1792;
    pthread_create(&t1792, NULL, P0, NULL);
    pthread_t t1793;
    pthread_create(&t1793, NULL, P1, NULL);
    pthread_t t1794;
    pthread_create(&t1794, 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$$choice0 = __VERIFIER_nondet_bool();
    /* Program was expected to be safe for X86, model checker should have said NO.
    This likely is a bug in the tool chain. */
    weak$$choice2 = __VERIFIER_nondet_bool();
    /* 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$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : FALSE));
    /* Program was expected to be safe for X86, model checker should have said NO.
    This likely is a bug in the tool chain. */
    weak$$choice1 = __VERIFIER_nondet_bool();
    /* Program was expected to be safe for X86, model checker should have said NO.
    This likely is a bug in the tool chain. */
    __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX;
    /* Program was expected to be safe for X86, model checker should have said NO.
    This likely is a bug in the tool chain. */
    main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p1_EAX == 1 && __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. */
    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;
}

Exemplo n.º 19

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Arquivo: safe025_rmo.opt_false-unreach-call.c Projeto: heryxpc/prototype

int main()
{
  pthread_create(NULL, NULL, P0, NULL);
  pthread_create(NULL, NULL, P1, NULL);
  pthread_create(NULL, 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$$choice0 = nondet_0();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice2 = nondet_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$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$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? FALSE : FALSE));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice1 = nondet_0();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  __unbuffered_p2_EAX = __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  main$tmp_guard1 = !(x == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __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;
}

Exemplo n.º 20

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Arquivo: safe011_power.oepc_false-unreach-call.c Projeto: heryxpc/prototype

int main()
{
    pthread_create(NULL, NULL, P0, NULL);
    pthread_create(NULL, NULL, P1, NULL);
    pthread_create(NULL, 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$$choice0 = nondet_1();
    /* Program was expected to be safe for X86, model checker should have said NO.
    This likely is a bug in the tool chain. */
    weak$$choice2 = nondet_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$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;
}

Exemplo n.º 21

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Arquivo: fkp2014_true-unreach-call.c Projeto: Heizmann/sv-benchmarks

void inct() {
    __VERIFIER_atomic_begin();
    t++;
    __VERIFIER_atomic_end();
}

Exemplo n.º 22

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Arquivo: safe030_pso.opt_false-unreach-call.c Projeto: oliverstth/sv-benchmarks

int main()
{
  pthread_t t2498;
  pthread_create(&t2498, NULL, P0, NULL);
  pthread_t t2499;
  pthread_create(&t2499, NULL, P1, NULL);
  pthread_t t2500;
  pthread_create(&t2500, 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 = !(x == 2 && y == 2 && z == 2);
  /* 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;
}

Exemplo n.º 23

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Arquivo: rfi002_tso.oepc_true-unreach-call.c Projeto: heryxpc/prototype

void * P1(void *arg)
{
  __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$r_buff0_thd2 = TRUE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  y$w_buff1 = y$w_buff0;
  y$w_buff0 = 1;
  y$w_buff1_used = y$w_buff0_used;
  y$w_buff0_used = TRUE;
  __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used));
  y$r_buff1_thd0 = y$r_buff0_thd0;
  y$r_buff1_thd1 = y$r_buff0_thd1;
  y$r_buff1_thd2 = y$r_buff0_thd2;
  y$r_buff0_thd2 = TRUE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = nondet_0();
  weak$$choice2 = nondet_0();
  y$flush_delayed = weak$$choice2;
  y$mem_tmp = y;
  y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1);
  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0));
  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1));
  y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$w_buff0_used));
  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : FALSE));
  y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$r_buff0_thd2));
  y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? FALSE : FALSE));
  __unbuffered_p1_EAX = y;
  y = y$flush_delayed ? y$mem_tmp : y;
  y$flush_delayed = FALSE;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  weak$$choice0 = nondet_0();
  weak$$choice2 = nondet_0();
  x$flush_delayed = weak$$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$r_buff0_thd2 ? FALSE : FALSE));
  __unbuffered_p1_EBX = x;
  x = x$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;
  y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y);
  y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$w_buff0_used;
  y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? FALSE : y$w_buff1_used;
  y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? FALSE : y$r_buff0_thd2;
  y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? FALSE : y$r_buff1_thd2;
  __VERIFIER_atomic_end();
  __VERIFIER_atomic_begin();
  __unbuffered_cnt = __unbuffered_cnt + 1;
  __VERIFIER_atomic_end();
  return nondet_1();
}

Exemplo n.º 24

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Arquivo: fk2012_true-unreach-call.c Projeto: Heizmann/sv-benchmarks

void release2() {
    __VERIFIER_atomic_begin();
    __VERIFIER_assume(lock2 == 1);
    lock2 = 0;
    __VERIFIER_atomic_end();
}

Exemplo n.º 25

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Arquivo: fk2012_true-unreach-call.c Projeto: Heizmann/sv-benchmarks

void acquire2() {
    __VERIFIER_atomic_begin();
    __VERIFIER_assume(lock2 == 0);
    lock2 = 1;
    __VERIFIER_atomic_end();
}

Exemplo n.º 26

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Arquivo: safe035_power.oepc_true-unreach-call.c_anno.c Projeto: heryxpc/prototype

int main()
{
  pthread_create(NULL, NULL, P0, NULL);
  pthread_create(NULL, NULL, P1, NULL);
  pthread_create(NULL, 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$$choice0 = nondet_1();
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice2 = nondet_1();
  /* 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$$choice2;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$mem_tmp = y;
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  weak$$choice1 = nondet_1();
  /* 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$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y))));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0))));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_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$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? weak$$choice0 : weak$$choice0))));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? FALSE : FALSE))));
  /* Program was expected to be safe for X86, model checker should have said NO.
This likely is a bug in the tool chain. */
  y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_used && !y$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_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? FALSE : (y$w_buff0_used && !y$r_buff1_thd0 && y$w_buff1_used && !y$r_buff0_thd0 ? (weak$$choice0 ? y$r_buff1_thd0 : FALSE) : (y$w_buff0_used && y$r_buff1_thd0 && y$w_buff1_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 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __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. */
  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);
  /* reachable */
  return 0;
}

Exemplo n.º 27

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Arquivo: fkp2014_true-unreach-call.c Projeto: Heizmann/sv-benchmarks

void incs() {
    __VERIFIER_atomic_begin();
    s++;
    __VERIFIER_atomic_end();
}