// This file is part of the SV-Benchmarks collection of verification tasks:
// https://gitlab.com/sosy-lab/benchmarking/sv-benchmarks
//
// SPDX-FileCopyrightText: 2013 Carnegie Mellon University
// SPDX-FileCopyrightText: 2014-2021 The SV-Benchmarks Community
// SPDX-FileCopyrightText: 2018 Marie-Christine Jakobs, LMU Munich
//
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Attribution-CMU-LMU

int __return_main;
void abort(void);
extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
void reach_error() { __assert_fail("0", "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c", 4, "reach_error"); }
_Bool __VERIFIER_nondet_bool();
char __VERIFIER_nondet_char();
void assert(_Bool arg);
void abort(void);
void assume_abort_if_not(int cond) {
  if(!cond) {abort();}
}
typedef char msg_t;
typedef int port_t;
void read(port_t p, msg_t m);
void write(port_t p, msg_t m);
msg_t nomsg = (msg_t )-1;
char r1 = '\x0';
port_t p1 = 0;
char p1_old = '\x0';
char p1_new = '\x0';
char id1 = '\x0';
char st1 = '\x0';
msg_t send1 = '\x0';
_Bool mode1 = 0;
_Bool alive1 = 0;
port_t p2 = 0;
char p2_old = '\x0';
char p2_new = '\x0';
char id2 = '\x0';
char st2 = '\x0';
msg_t send2 = '\x0';
_Bool mode2 = 0;
_Bool alive2 = 0;
port_t p3 = 0;
char p3_old = '\x0';
char p3_new = '\x0';
char id3 = '\x0';
char st3 = '\x0';
msg_t send3 = '\x0';
_Bool mode3 = 0;
_Bool alive3 = 0;
port_t p4 = 0;
char p4_old = '\x0';
char p4_new = '\x0';
char id4 = '\x0';
char st4 = '\x0';
msg_t send4 = '\x0';
_Bool mode4 = 0;
_Bool alive4 = 0;
void node1();
void node2();
void node3();
void node4();
void (*nodes[4])() = { &node1, &node2, &node3, &node4 };
int init();
int check();
int main();
int __return_10449;
int __return_10547;
int __tmp_10696_0;
int __return_10712;
int __return_10726;
 int main()
 {
 int main__c1;
 int main__i2;
 main__c1 = 0;
 r1 = __VERIFIER_nondet_char();
 id1 = __VERIFIER_nondet_char();
 st1 = __VERIFIER_nondet_char();
 send1 = __VERIFIER_nondet_char();
 mode1 = __VERIFIER_nondet_bool();
 alive1 = __VERIFIER_nondet_bool();
 id2 = __VERIFIER_nondet_char();
 st2 = __VERIFIER_nondet_char();
 send2 = __VERIFIER_nondet_char();
 mode2 = __VERIFIER_nondet_bool();
 alive2 = __VERIFIER_nondet_bool();
 id3 = __VERIFIER_nondet_char();
 st3 = __VERIFIER_nondet_char();
 send3 = __VERIFIER_nondet_char();
 mode3 = __VERIFIER_nondet_bool();
 alive3 = __VERIFIER_nondet_bool();
 id4 = __VERIFIER_nondet_char();
 st4 = __VERIFIER_nondet_char();
 send4 = __VERIFIER_nondet_char();
 mode4 = __VERIFIER_nondet_bool();
 alive4 = __VERIFIER_nondet_bool();
 {
 int init__tmp;
 if (((int)r1) == 0)
 {
 if ((((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1)
 {
 if (((int)id1) >= 0)
 {
 if (((int)st1) == 0)
 {
 if (((int)send1) == ((int)id1))
 {
 if (((int)mode1) == 0)
 {
 if (((int)id2) >= 0)
 {
 if (((int)st2) == 0)
 {
 if (((int)send2) == ((int)id2))
 {
 if (((int)mode2) == 0)
 {
 if (((int)id3) >= 0)
 {
 if (((int)st3) == 0)
 {
 if (((int)send3) == ((int)id3))
 {
 if (((int)mode3) == 0)
 {
 if (((int)id4) >= 0)
 {
 if (((int)st4) == 0)
 {
 if (((int)send4) == ((int)id4))
 {
 if (((int)mode4) == 0)
 {
 if (((int)id1) != ((int)id2))
 {
 if (((int)id1) != ((int)id3))
 {
 if (((int)id1) != ((int)id4))
 {
 if (((int)id2) != ((int)id3))
 {
 if (((int)id2) != ((int)id4))
 {
 if (((int)id3) != ((int)id4))
 {
 init__tmp = 1;
  __return_10449 = init__tmp;
 main__i2 = __return_10449;
 if (main__i2 != 0)
 {
 p1_old = nomsg;
 p1_new = nomsg;
 p2_old = nomsg;
 p2_new = nomsg;
 p3_old = nomsg;
 p3_new = nomsg;
 p4_old = nomsg;
 p4_new = nomsg;
 main__i2 = 0;
 if (main__i2 < 8)
 {
 {
 msg_t node1__m1;
 node1__m1 = nomsg;
 if (!(mode1 == 0))
 {
 return __return_main;
 }
 else 
 {
 if (!(alive1 == 0))
 {
 int node1____CPAchecker_TMP_0;
 if (send1 != nomsg)
 {
 if (p1_new == nomsg)
 {
 node1____CPAchecker_TMP_0 = send1;
 label_10474:; 
 p1_new = node1____CPAchecker_TMP_0;
 label_10469:; 
 mode1 = 1;
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 return __return_main;
 }
 else 
 {
 if (!(alive2 == 0))
 {
 int node2____CPAchecker_TMP_0;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_0 = send2;
 label_10490:; 
 p2_new = node2____CPAchecker_TMP_0;
 label_10492:; 
 mode2 = 1;
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 return __return_main;
 }
 else 
 {
 if (!(alive3 == 0))
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 label_10507:; 
 p3_new = node3____CPAchecker_TMP_0;
 label_10509:; 
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 if (!(alive4 == 0))
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 label_10524:; 
 p4_new = node4____CPAchecker_TMP_0;
 label_10526:; 
 mode4 = 1;
 p1_old = p1_new;
 p1_new = nomsg;
 p2_old = p2_new;
 p2_new = nomsg;
 p3_old = p3_new;
 p3_new = nomsg;
 p4_old = p4_new;
 p4_new = nomsg;
 {
 int check__tmp;
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_10547 = check__tmp;
 main__c1 = __return_10547;
 {
 _Bool __tmp_1;
 __tmp_1 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_1;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 if (main__i2 < 8)
 {
 {
 msg_t node1__m1;
 node1__m1 = nomsg;
 if (!(mode1 == 0))
 {
 r1 = (char)(((int)r1) + 1);
 node1__m1 = p4_old;
 p4_old = nomsg;
 if (((int)node1__m1) != ((int)nomsg))
 {
 if (!(alive1 == 0))
 {
 if (((int)node1__m1) > ((int)id1))
 {
 send1 = node1__m1;
 label_10870:; 
 label_10568:; 
 mode1 = 0;
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 node2__m2 = p1_old;
 p1_old = nomsg;
 if (((int)node2__m2) != ((int)nomsg))
 {
 if (!(alive2 == 0))
 {
 if (((int)node2__m2) > ((int)id2))
 {
 send2 = node2__m2;
 label_10860:; 
 label_10581:; 
 mode2 = 0;
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 node3__m3 = p2_old;
 p2_old = nomsg;
 if (((int)node3__m3) != ((int)nomsg))
 {
 if (!(alive3 == 0))
 {
 if (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_10921:; 
 label_10593:; 
 mode3 = 0;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (!(alive4 == 0))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_10896:; 
 label_10605:; 
 mode4 = 0;
 __tmp_10696_0 = main____CPAchecker_TMP_0;
 label_10696:; 
 main____CPAchecker_TMP_0 = __tmp_10696_0;
 p1_old = p1_new;
 p1_new = nomsg;
 p2_old = p2_new;
 p2_new = nomsg;
 p3_old = p3_new;
 p3_new = nomsg;
 p4_old = p4_new;
 p4_new = nomsg;
 {
 int check__tmp;
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
 label_10767:; 
 label_10711:; 
  __return_10712 = check__tmp;
 main__c1 = __return_10712;
 {
 _Bool __tmp_2;
 __tmp_2 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_2;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 if (main__i2 < 8)
 {
 {
 msg_t node1__m1;
 node1__m1 = nomsg;
 if (!(mode1 == 0))
 {
 r1 = (char)(((int)r1) + 1);
 node1__m1 = p4_old;
 p4_old = nomsg;
 if (((int)node1__m1) != ((int)nomsg))
 {
 if (!(alive1 == 0))
 {
 if (((int)node1__m1) > ((int)id1))
 {
 send1 = node1__m1;
 label_10747:; 
 label_10737:; 
 mode1 = 0;
 label_10739:; 
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 node2__m2 = p1_old;
 p1_old = nomsg;
 if (((int)node2__m2) != ((int)nomsg))
 {
 if (!(alive2 == 0))
 {
 if (((int)node2__m2) > ((int)id2))
 {
 send2 = node2__m2;
 label_10832:; 
 label_10664:; 
 mode2 = 0;
 label_10666:; 
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 node3__m3 = p2_old;
 p2_old = nomsg;
 if (((int)node3__m3) != ((int)nomsg))
 {
 if (!(alive3 == 0))
 {
 if (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_10804:; 
 label_10678:; 
 mode3 = 0;
 label_10680:; 
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (!(alive4 == 0))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_10776:; 
 label_10692:; 
 mode4 = 0;
 label_10694:; 
 __tmp_10696_0 = main____CPAchecker_TMP_0;
 goto label_10696;
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 goto label_10776;
 }
 else 
 {
 goto label_10776;
 }
 }
 }
 else 
 {
 send4 = node4__m4;
 goto label_10692;
 }
 }
 else 
 {
 goto label_10692;
 }
 }
 else 
 {
 if (!(alive4 == 0))
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 label_10785:; 
 p4_new = node4____CPAchecker_TMP_0;
 label_10787:; 
 mode4 = 1;
 goto label_10694;
 }
 else 
 {
 label_10784:; 
 node4____CPAchecker_TMP_0 = p4_new;
 goto label_10785;
 }
 }
 else 
 {
 goto label_10784;
 }
 }
 else 
 {
 if (((int)send4) != ((int)id4))
 {
 int node4____CPAchecker_TMP_1;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_1 = send4;
 label_10795:; 
 p4_new = node4____CPAchecker_TMP_1;
 goto label_10787;
 }
 else 
 {
 label_10794:; 
 node4____CPAchecker_TMP_1 = p4_new;
 goto label_10795;
 }
 }
 else 
 {
 goto label_10794;
 }
 }
 else 
 {
 goto label_10787;
 }
 }
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 goto label_10804;
 }
 else 
 {
 goto label_10804;
 }
 }
 }
 else 
 {
 send3 = node3__m3;
 goto label_10678;
 }
 }
 else 
 {
 goto label_10678;
 }
 }
 else 
 {
 if (!(alive3 == 0))
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 label_10813:; 
 p3_new = node3____CPAchecker_TMP_0;
 label_10815:; 
 mode3 = 1;
 goto label_10680;
 }
 else 
 {
 label_10812:; 
 node3____CPAchecker_TMP_0 = p3_new;
 goto label_10813;
 }
 }
 else 
 {
 goto label_10812;
 }
 }
 else 
 {
 if (((int)send3) != ((int)id3))
 {
 int node3____CPAchecker_TMP_1;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_1 = send3;
 label_10823:; 
 p3_new = node3____CPAchecker_TMP_1;
 goto label_10815;
 }
 else 
 {
 label_10822:; 
 node3____CPAchecker_TMP_1 = p3_new;
 goto label_10823;
 }
 }
 else 
 {
 goto label_10822;
 }
 }
 else 
 {
 goto label_10815;
 }
 }
 }
 }
 }
 else 
 {
 if (((int)node2__m2) == ((int)id2))
 {
 st2 = 1;
 goto label_10832;
 }
 else 
 {
 goto label_10832;
 }
 }
 }
 else 
 {
 send2 = node2__m2;
 goto label_10664;
 }
 }
 else 
 {
 goto label_10664;
 }
 }
 else 
 {
 if (!(alive2 == 0))
 {
 int node2____CPAchecker_TMP_0;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_0 = send2;
 label_10841:; 
 p2_new = node2____CPAchecker_TMP_0;
 label_10843:; 
 mode2 = 1;
 goto label_10666;
 }
 else 
 {
 label_10840:; 
 node2____CPAchecker_TMP_0 = p2_new;
 goto label_10841;
 }
 }
 else 
 {
 goto label_10840;
 }
 }
 else 
 {
 if (((int)send2) != ((int)id2))
 {
 int node2____CPAchecker_TMP_1;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_1 = send2;
 label_10851:; 
 p2_new = node2____CPAchecker_TMP_1;
 goto label_10843;
 }
 else 
 {
 label_10850:; 
 node2____CPAchecker_TMP_1 = p2_new;
 goto label_10851;
 }
 }
 else 
 {
 goto label_10850;
 }
 }
 else 
 {
 goto label_10843;
 }
 }
 }
 }
 }
 else 
 {
 if (((int)node1__m1) == ((int)id1))
 {
 st1 = 1;
 goto label_10747;
 }
 else 
 {
 goto label_10747;
 }
 }
 }
 else 
 {
 send1 = node1__m1;
 goto label_10737;
 }
 }
 else 
 {
 goto label_10737;
 }
 }
 else 
 {
 if (!(alive1 == 0))
 {
 int node1____CPAchecker_TMP_0;
 if (send1 != nomsg)
 {
 if (p1_new == nomsg)
 {
 node1____CPAchecker_TMP_0 = send1;
 label_10756:; 
 p1_new = node1____CPAchecker_TMP_0;
 label_10751:; 
 mode1 = 1;
 goto label_10739;
 }
 else 
 {
 label_10755:; 
 node1____CPAchecker_TMP_0 = p1_new;
 goto label_10756;
 }
 }
 else 
 {
 goto label_10755;
 }
 }
 else 
 {
 goto label_10751;
 }
 }
 }
 }
 else 
 {
  __return_10726 = 0;
 return __return_10726;
 }
 }
 }
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1)
 {
 check__tmp = 1;
 goto label_10767;
 }
 else 
 {
 check__tmp = 0;
 goto label_10767;
 }
 }
 }
 else 
 {
 check__tmp = 0;
 goto label_10711;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 goto label_10896;
 }
 else 
 {
 goto label_10896;
 }
 }
 }
 else 
 {
 send4 = node4__m4;
 goto label_10605;
 }
 }
 else 
 {
 goto label_10605;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 goto label_10921;
 }
 else 
 {
 goto label_10921;
 }
 }
 }
 else 
 {
 send3 = node3__m3;
 goto label_10593;
 }
 }
 else 
 {
 goto label_10593;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node2__m2) == ((int)id2))
 {
 st2 = 1;
 goto label_10860;
 }
 else 
 {
 goto label_10860;
 }
 }
 }
 else 
 {
 send2 = node2__m2;
 goto label_10581;
 }
 }
 else 
 {
 goto label_10581;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node1__m1) == ((int)id1))
 {
 st1 = 1;
 goto label_10870;
 }
 else 
 {
 goto label_10870;
 }
 }
 }
 else 
 {
 send1 = node1__m1;
 goto label_10568;
 }
 }
 else 
 {
 goto label_10568;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 goto label_10524;
 }
 }
 else 
 {
 if (((int)send4) != ((int)id4))
 {
 int node4____CPAchecker_TMP_1;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_1 = send4;
 label_10885:; 
 p4_new = node4____CPAchecker_TMP_1;
 goto label_10526;
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_1 = p4_new;
 goto label_10885;
 }
 }
 else 
 {
 goto label_10526;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node3____CPAchecker_TMP_0 = p3_new;
 goto label_10507;
 }
 }
 else 
 {
 if (((int)send3) != ((int)id3))
 {
 int node3____CPAchecker_TMP_1;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_1 = send3;
 label_10910:; 
 p3_new = node3____CPAchecker_TMP_1;
 goto label_10509;
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node3____CPAchecker_TMP_1 = p3_new;
 goto label_10910;
 }
 }
 else 
 {
 goto label_10509;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node2____CPAchecker_TMP_0 = p2_new;
 goto label_10490;
 }
 }
 else 
 {
 if (((int)send2) != ((int)id2))
 {
 int node2____CPAchecker_TMP_1;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_1 = send2;
 label_10930:; 
 p2_new = node2____CPAchecker_TMP_1;
 goto label_10492;
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node2____CPAchecker_TMP_1 = p2_new;
 goto label_10930;
 }
 }
 else 
 {
 goto label_10492;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node1____CPAchecker_TMP_0 = p1_new;
 goto label_10474;
 }
 }
 else 
 {
 goto label_10469;
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }