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token_ring.04_true-unreach-call_false-termination.cil.c
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token_ring.04_true-unreach-call_false-termination.cil.c
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extern void __VERIFIER_error() __attribute__ ((__noreturn__));
/* Generated by CIL v. 1.3.6 */
/* print_CIL_Input is true */
void error(void)
{
{
ERROR: __VERIFIER_error();
return;
}
}
int m_pc = 0;
int t1_pc = 0;
int t2_pc = 0;
int t3_pc = 0;
int t4_pc = 0;
int m_st ;
int t1_st ;
int t2_st ;
int t3_st ;
int t4_st ;
int m_i ;
int t1_i ;
int t2_i ;
int t3_i ;
int t4_i ;
int M_E = 2;
int T1_E = 2;
int T2_E = 2;
int T3_E = 2;
int T4_E = 2;
int E_M = 2;
int E_1 = 2;
int E_2 = 2;
int E_3 = 2;
int E_4 = 2;
int is_master_triggered(void) ;
int is_transmit1_triggered(void) ;
int is_transmit2_triggered(void) ;
int is_transmit3_triggered(void) ;
int is_transmit4_triggered(void) ;
void immediate_notify(void) ;
int token ;
int __VERIFIER_nondet_int() ;
int local ;
void master(void)
{
{
if (m_pc == 0) {
goto M_ENTRY;
} else {
if (m_pc == 1) {
goto M_WAIT;
} else {
}
}
M_ENTRY: ;
{
while (1) {
while_0_continue: /* CIL Label */ ;
{
token = __VERIFIER_nondet_int();
local = token;
E_1 = 1;
immediate_notify();
E_1 = 2;
m_pc = 1;
m_st = 2;
}
goto return_label;
M_WAIT: ;
if (token != local + 4) {
{
error();
}
} else {
}
}
while_0_break: /* CIL Label */ ;
}
return_label: /* CIL Label */
return;
}
}
void transmit1(void)
{
{
if (t1_pc == 0) {
goto T1_ENTRY;
} else {
if (t1_pc == 1) {
goto T1_WAIT;
} else {
}
}
T1_ENTRY: ;
{
while (1) {
while_1_continue: /* CIL Label */ ;
t1_pc = 1;
t1_st = 2;
goto return_label;
T1_WAIT:
{
token += 1;
E_2 = 1;
immediate_notify();
E_2 = 2;
}
}
while_1_break: /* CIL Label */ ;
}
return_label: /* CIL Label */
return;
}
}
void transmit2(void)
{
{
if (t2_pc == 0) {
goto T2_ENTRY;
} else {
if (t2_pc == 1) {
goto T2_WAIT;
} else {
}
}
T2_ENTRY: ;
{
while (1) {
while_2_continue: /* CIL Label */ ;
t2_pc = 1;
t2_st = 2;
goto return_label;
T2_WAIT:
{
token += 1;
E_3 = 1;
immediate_notify();
E_3 = 2;
}
}
while_2_break: /* CIL Label */ ;
}
return_label: /* CIL Label */
return;
}
}
void transmit3(void)
{
{
if (t3_pc == 0) {
goto T3_ENTRY;
} else {
if (t3_pc == 1) {
goto T3_WAIT;
} else {
}
}
T3_ENTRY: ;
{
while (1) {
while_3_continue: /* CIL Label */ ;
t3_pc = 1;
t3_st = 2;
goto return_label;
T3_WAIT:
{
token += 1;
E_4 = 1;
immediate_notify();
E_4 = 2;
}
}
while_3_break: /* CIL Label */ ;
}
return_label: /* CIL Label */
return;
}
}
void transmit4(void)
{
{
if (t4_pc == 0) {
goto T4_ENTRY;
} else {
if (t4_pc == 1) {
goto T4_WAIT;
} else {
}
}
T4_ENTRY: ;
{
while (1) {
while_4_continue: /* CIL Label */ ;
t4_pc = 1;
t4_st = 2;
goto return_label;
T4_WAIT:
{
token += 1;
E_M = 1;
immediate_notify();
E_M = 2;
}
}
while_4_break: /* CIL Label */ ;
}
return_label: /* CIL Label */
return;
}
}
int is_master_triggered(void)
{ int __retres1 ;
{
if (m_pc == 1) {
if (E_M == 1) {
__retres1 = 1;
goto return_label;
} else {
}
} else {
}
__retres1 = 0;
return_label: /* CIL Label */
return (__retres1);
}
}
int is_transmit1_triggered(void)
{ int __retres1 ;
{
if (t1_pc == 1) {
if (E_1 == 1) {
__retres1 = 1;
goto return_label;
} else {
}
} else {
}
__retres1 = 0;
return_label: /* CIL Label */
return (__retres1);
}
}
int is_transmit2_triggered(void)
{ int __retres1 ;
{
if (t2_pc == 1) {
if (E_2 == 1) {
__retres1 = 1;
goto return_label;
} else {
}
} else {
}
__retres1 = 0;
return_label: /* CIL Label */
return (__retres1);
}
}
int is_transmit3_triggered(void)
{ int __retres1 ;
{
if (t3_pc == 1) {
if (E_3 == 1) {
__retres1 = 1;
goto return_label;
} else {
}
} else {
}
__retres1 = 0;
return_label: /* CIL Label */
return (__retres1);
}
}
int is_transmit4_triggered(void)
{ int __retres1 ;
{
if (t4_pc == 1) {
if (E_4 == 1) {
__retres1 = 1;
goto return_label;
} else {
}
} else {
}
__retres1 = 0;
return_label: /* CIL Label */
return (__retres1);
}
}
void update_channels(void)
{
{
return;
}
}
void init_threads(void)
{
{
if (m_i == 1) {
m_st = 0;
} else {
m_st = 2;
}
if (t1_i == 1) {
t1_st = 0;
} else {
t1_st = 2;
}
if (t2_i == 1) {
t2_st = 0;
} else {
t2_st = 2;
}
if (t3_i == 1) {
t3_st = 0;
} else {
t3_st = 2;
}
if (t4_i == 1) {
t4_st = 0;
} else {
t4_st = 2;
}
return;
}
}
int exists_runnable_thread(void)
{ int __retres1 ;
{
if (m_st == 0) {
__retres1 = 1;
goto return_label;
} else {
if (t1_st == 0) {
__retres1 = 1;
goto return_label;
} else {
if (t2_st == 0) {
__retres1 = 1;
goto return_label;
} else {
if (t3_st == 0) {
__retres1 = 1;
goto return_label;
} else {
if (t4_st == 0) {
__retres1 = 1;
goto return_label;
} else {
}
}
}
}
}
__retres1 = 0;
return_label: /* CIL Label */
return (__retres1);
}
}
void eval(void)
{
int tmp ;
{
{
while (1) {
while_5_continue: /* CIL Label */ ;
{
tmp = exists_runnable_thread();
}
if (tmp) {
} else {
goto while_5_break;
}
if (m_st == 0) {
int tmp_ndt_1;
tmp_ndt_1 = __VERIFIER_nondet_int();
if (tmp_ndt_1) {
{
m_st = 1;
master();
}
} else {
}
} else {
}
if (t1_st == 0) {
int tmp_ndt_2;
tmp_ndt_2 = __VERIFIER_nondet_int();
if (tmp_ndt_2) {
{
t1_st = 1;
transmit1();
}
} else {
}
} else {
}
if (t2_st == 0) {
int tmp_ndt_3;
tmp_ndt_3 = __VERIFIER_nondet_int();
if (tmp_ndt_3) {
{
t2_st = 1;
transmit2();
}
} else {
}
} else {
}
if (t3_st == 0) {
int tmp_ndt_4;
tmp_ndt_4 = __VERIFIER_nondet_int();
if (tmp_ndt_4) {
{
t3_st = 1;
transmit3();
}
} else {
}
} else {
}
if (t4_st == 0) {
int tmp_ndt_5;
tmp_ndt_5 = __VERIFIER_nondet_int();
if (tmp_ndt_5) {
{
t4_st = 1;
transmit4();
}
} else {
}
} else {
}
}
while_5_break: /* CIL Label */ ;
}
return;
}
}
void fire_delta_events(void)
{
{
if (M_E == 0) {
M_E = 1;
} else {
}
if (T1_E == 0) {
T1_E = 1;
} else {
}
if (T2_E == 0) {
T2_E = 1;
} else {
}
if (T3_E == 0) {
T3_E = 1;
} else {
}
if (T4_E == 0) {
T4_E = 1;
} else {
}
if (E_M == 0) {
E_M = 1;
} else {
}
if (E_1 == 0) {
E_1 = 1;
} else {
}
if (E_2 == 0) {
E_2 = 1;
} else {
}
if (E_3 == 0) {
E_3 = 1;
} else {
}
if (E_4 == 0) {
E_4 = 1;
} else {
}
return;
}
}
void reset_delta_events(void)
{
{
if (M_E == 1) {
M_E = 2;
} else {
}
if (T1_E == 1) {
T1_E = 2;
} else {
}
if (T2_E == 1) {
T2_E = 2;
} else {
}
if (T3_E == 1) {
T3_E = 2;
} else {
}
if (T4_E == 1) {
T4_E = 2;
} else {
}
if (E_M == 1) {
E_M = 2;
} else {
}
if (E_1 == 1) {
E_1 = 2;
} else {
}
if (E_2 == 1) {
E_2 = 2;
} else {
}
if (E_3 == 1) {
E_3 = 2;
} else {
}
if (E_4 == 1) {
E_4 = 2;
} else {
}
return;
}
}
void activate_threads(void)
{ int tmp ;
int tmp___0 ;
int tmp___1 ;
int tmp___2 ;
int tmp___3 ;
{
{
tmp = is_master_triggered();
}
if (tmp) {
m_st = 0;
} else {
}
{
tmp___0 = is_transmit1_triggered();
}
if (tmp___0) {
t1_st = 0;
} else {
}
{
tmp___1 = is_transmit2_triggered();
}
if (tmp___1) {
t2_st = 0;
} else {
}
{
tmp___2 = is_transmit3_triggered();
}
if (tmp___2) {
t3_st = 0;
} else {
}
{
tmp___3 = is_transmit4_triggered();
}
if (tmp___3) {
t4_st = 0;
} else {
}
return;
}
}
void immediate_notify(void)
{
{
{
activate_threads();
}
return;
}
}
void fire_time_events(void)
{
{
M_E = 1;
return;
}
}
void reset_time_events(void)
{
{
if (M_E == 1) {
M_E = 2;
} else {
}
if (T1_E == 1) {
T1_E = 2;
} else {
}
if (T2_E == 1) {
T2_E = 2;
} else {
}
if (T3_E == 1) {
T3_E = 2;
} else {
}
if (T4_E == 1) {
T4_E = 2;
} else {
}
if (E_M == 1) {
E_M = 2;
} else {
}
if (E_1 == 1) {
E_1 = 2;
} else {
}
if (E_2 == 1) {
E_2 = 2;
} else {
}
if (E_3 == 1) {
E_3 = 2;
} else {
}
if (E_4 == 1) {
E_4 = 2;
} else {
}
return;
}
}
void init_model(void)
{
{
m_i = 1;
t1_i = 1;
t2_i = 1;
t3_i = 1;
t4_i = 1;
return;
}
}
int stop_simulation(void)
{ int tmp ;
int __retres2 ;
{
{
tmp = exists_runnable_thread();
}
if (tmp) {
__retres2 = 0;
goto return_label;
} else {
}
__retres2 = 1;
return_label: /* CIL Label */
return (__retres2);
}
}
void start_simulation(void)
{ int kernel_st ;
int tmp ;
int tmp___0 ;
{
{
kernel_st = 0;
update_channels();
init_threads();
fire_delta_events();
activate_threads();
reset_delta_events();
}
{
while (1) {
while_6_continue: /* CIL Label */ ;
{
kernel_st = 1;
eval();
}
{
kernel_st = 2;
update_channels();
}
{
kernel_st = 3;
fire_delta_events();
activate_threads();
reset_delta_events();
}
{
tmp = exists_runnable_thread();
}
if (tmp == 0) {
{
kernel_st = 4;
fire_time_events();
activate_threads();
reset_time_events();
}
} else {
}
{
tmp___0 = stop_simulation();
}
if (tmp___0) {
goto while_6_break;
} else {
}
}
while_6_break: /* CIL Label */ ;
}
return;
}
}
int main(void)
{ int __retres1 ;
{
{
init_model();
start_simulation();
}
__retres1 = 0;
return (__retres1);
}
}