// 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.4.1.ufo.BOUNDED-8.pals.c.v+lhb-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;
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;
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;
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;
void node1();
void node2();
void node3();
void node4();
void (*nodes[4])() = { &node1, &node2, &node3, &node4 };
int init();
int check();
int main();
int __return_2937;
int __return_4605;
int __tmp_3038_0;
int __return_3109;
int __tmp_3118_0;
int __tmp_3187_0;
int __return_3195;
int __tmp_3196_0;
int __tmp_3202_0;
int __return_3122;
int __return_3470;
int __return_3661;
int __return_3835;
int __return_4046;
int __return_4230;
int __return_4410;
int __return_4576;
int __return_3380;
int __return_3543;
int __return_3746;
int __return_3910;
int __return_4143;
int __return_4303;
int __return_4495;
int __return_4538;
int __return_4445;
int __return_4360;
int __return_4265;
int __return_4192;
int __return_4081;
int __return_3981;
int __return_3872;
int __return_3797;
int __return_3696;
int __return_3608;
int __return_3505;
int __return_3429;
int __return_3302;
int __return_3028;
 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();
 id2 = __VERIFIER_nondet_char();
 st2 = __VERIFIER_nondet_char();
 send2 = __VERIFIER_nondet_char();
 mode2 = __VERIFIER_nondet_bool();
 id3 = __VERIFIER_nondet_char();
 st3 = __VERIFIER_nondet_char();
 send3 = __VERIFIER_nondet_char();
 mode3 = __VERIFIER_nondet_bool();
 id4 = __VERIFIER_nondet_char();
 st4 = __VERIFIER_nondet_char();
 send4 = __VERIFIER_nondet_char();
 mode4 = __VERIFIER_nondet_bool();
 {
 int init__tmp;
 if (((int)r1) == 0)
 {
 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_2937 = init__tmp;
 main__i2 = __return_2937;
 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 
 {
 int node1____CPAchecker_TMP_0;
 if (send1 != nomsg)
 {
 if (p1_new == nomsg)
 {
 node1____CPAchecker_TMP_0 = send1;
 p1_new = node1____CPAchecker_TMP_0;
 mode1 = 1;
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node2____CPAchecker_TMP_0;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_0 = send2;
 p2_new = node2____CPAchecker_TMP_0;
 mode2 = 1;
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4605 = check__tmp;
 main__c1 = __return_4605;
 {
 _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;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 label_3038:; 
 main____CPAchecker_TMP_0 = __tmp_3038_0;
 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 (((int)node1__m1) > ((int)id1))
 {
 send1 = node1__m1;
 label_3318:; 
 mode1 = 0;
 label_3051:; 
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 node2__m2 = p1_old;
 p1_old = nomsg;
 if (((int)node2__m2) != ((int)nomsg))
 {
 if (((int)node2__m2) > ((int)id2))
 {
 send2 = node2__m2;
 label_3996:; 
 mode2 = 0;
 label_3063:; 
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 node3__m3 = p2_old;
 p2_old = nomsg;
 if (((int)node3__m3) != ((int)nomsg))
 {
 if (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_3623:; 
 mode3 = 0;
 label_3075:; 
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_3444:; 
 mode4 = 0;
 label_3087:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3109 = check__tmp;
 main__c1 = __return_3109;
 {
 _Bool __tmp_2;
 __tmp_2 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_2;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3118_0 = main____CPAchecker_TMP_0;
 label_3118:; 
 main____CPAchecker_TMP_0 = __tmp_3118_0;
 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 (((int)node1__m1) > ((int)id1))
 {
 send1 = node1__m1;
 label_3133:; 
 mode1 = 0;
 label_3135:; 
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 node2__m2 = p1_old;
 p1_old = nomsg;
 if (((int)node2__m2) != ((int)nomsg))
 {
 if (((int)node2__m2) > ((int)id2))
 {
 send2 = node2__m2;
 label_3147:; 
 mode2 = 0;
 label_3149:; 
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 node3__m3 = p2_old;
 p2_old = nomsg;
 if (((int)node3__m3) != ((int)nomsg))
 {
 if (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_3161:; 
 mode3 = 0;
 label_3163:; 
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_3175:; 
 mode4 = 0;
 label_3177:; 
 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;
 __tmp_3187_0 = main____CPAchecker_TMP_0;
 label_3187:; 
 main____CPAchecker_TMP_0 = __tmp_3187_0;
 {
 int check__tmp;
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1)
 {
 if (((int)r1) >= 4)
 {
 label_3213:; 
 if (((int)r1) < 4)
 {
 check__tmp = 1;
 label_3219:; 
 label_3212:; 
 label_3194:; 
  __return_3195 = check__tmp;
 main__c1 = __return_3195;
 __tmp_3196_0 = main____CPAchecker_TMP_0;
 label_3196:; 
 main____CPAchecker_TMP_0 = __tmp_3196_0;
 {
 _Bool __tmp_3;
 __tmp_3 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_3;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 __tmp_3202_0 = main____CPAchecker_TMP_0;
 label_3202:; 
 main____CPAchecker_TMP_0 = __tmp_3202_0;
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3118_0 = main____CPAchecker_TMP_0;
 goto label_3118;
 }
 }
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1)
 {
 check__tmp = 1;
 goto label_3219;
 }
 else 
 {
 check__tmp = 0;
 goto label_3219;
 }
 }
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 goto label_3213;
 }
 else 
 {
 check__tmp = 0;
 goto label_3212;
 }
 }
 }
 else 
 {
 check__tmp = 0;
 goto label_3194;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 goto label_3175;
 }
 else 
 {
 goto label_3175;
 }
 }
 }
 else 
 {
 goto label_3175;
 }
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 label_3231:; 
 p4_new = node4____CPAchecker_TMP_0;
 mode4 = 1;
 goto label_3177;
 }
 else 
 {
 label_3230:; 
 node4____CPAchecker_TMP_0 = p4_new;
 goto label_3231;
 }
 }
 else 
 {
 goto label_3230;
 }
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 goto label_3161;
 }
 else 
 {
 goto label_3161;
 }
 }
 }
 else 
 {
 goto label_3161;
 }
 }
 else 
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 label_3244:; 
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 goto label_3163;
 }
 else 
 {
 label_3243:; 
 node3____CPAchecker_TMP_0 = p3_new;
 goto label_3244;
 }
 }
 else 
 {
 goto label_3243;
 }
 }
 }
 }
 else 
 {
 if (((int)node2__m2) == ((int)id2))
 {
 st2 = 1;
 goto label_3147;
 }
 else 
 {
 goto label_3147;
 }
 }
 }
 else 
 {
 goto label_3147;
 }
 }
 else 
 {
 int node2____CPAchecker_TMP_0;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_0 = send2;
 label_3257:; 
 p2_new = node2____CPAchecker_TMP_0;
 mode2 = 1;
 goto label_3149;
 }
 else 
 {
 label_3256:; 
 node2____CPAchecker_TMP_0 = p2_new;
 goto label_3257;
 }
 }
 else 
 {
 goto label_3256;
 }
 }
 }
 }
 else 
 {
 if (((int)node1__m1) == ((int)id1))
 {
 st1 = 1;
 goto label_3133;
 }
 else 
 {
 send1 = node1__m1;
 goto label_3133;
 }
 }
 }
 else 
 {
 goto label_3133;
 }
 }
 else 
 {
 int node1____CPAchecker_TMP_0;
 if (send1 != nomsg)
 {
 if (p1_new == nomsg)
 {
 node1____CPAchecker_TMP_0 = send1;
 label_3271:; 
 p1_new = node1____CPAchecker_TMP_0;
 mode1 = 1;
 goto label_3135;
 }
 else 
 {
 label_3270:; 
 node1____CPAchecker_TMP_0 = p1_new;
 goto label_3271;
 }
 }
 else 
 {
 goto label_3270;
 }
 }
 }
 }
 else 
 {
  __return_3122 = 0;
 return __return_3122;
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3470 = check__tmp;
 main__c1 = __return_3470;
 {
 _Bool __tmp_4;
 __tmp_4 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_4;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_3444;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_3087;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 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 (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_3812:; 
 mode4 = 0;
 label_3642:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3661 = check__tmp;
 main__c1 = __return_3661;
 {
 _Bool __tmp_5;
 __tmp_5 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_5;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3835 = check__tmp;
 main__c1 = __return_3835;
 {
 _Bool __tmp_6;
 __tmp_6 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_6;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 __tmp_3202_0 = main____CPAchecker_TMP_0;
 goto label_3202;
 }
 }
 }
 }
 }
 else 
 {
 goto label_3812;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_3642;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_3623;
 }
 }
 }
 else 
 {
 mode3 = 0;
 goto label_3075;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node2__m2) == ((int)id2))
 {
 st2 = 1;
 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 (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_4375:; 
 mode3 = 0;
 label_4015:; 
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_4207:; 
 mode4 = 0;
 label_4027:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4046 = check__tmp;
 main__c1 = __return_4046;
 {
 _Bool __tmp_7;
 __tmp_7 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_7;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4230 = check__tmp;
 main__c1 = __return_4230;
 {
 _Bool __tmp_8;
 __tmp_8 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_8;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 goto label_4207;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_4027;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 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 (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_4553:; 
 mode4 = 0;
 label_4394:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4410 = check__tmp;
 main__c1 = __return_4410;
 {
 _Bool __tmp_9;
 __tmp_9 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_9;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4576 = check__tmp;
 main__c1 = __return_4576;
 __tmp_3196_0 = main____CPAchecker_TMP_0;
 goto label_3196;
 }
 }
 }
 else 
 {
 goto label_4553;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_4394;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_4375;
 }
 }
 }
 else 
 {
 mode3 = 0;
 goto label_4015;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_3996;
 }
 }
 }
 else 
 {
 mode2 = 0;
 goto label_3063;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node1__m1) == ((int)id1))
 {
 st1 = 1;
 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 (((int)node2__m2) > ((int)id2))
 {
 send2 = node2__m2;
 label_4096:; 
 mode2 = 0;
 label_3337:; 
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 node3__m3 = p2_old;
 p2_old = nomsg;
 if (((int)node3__m3) != ((int)nomsg))
 {
 if (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_3711:; 
 mode3 = 0;
 label_3349:; 
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_3520:; 
 mode4 = 0;
 label_3361:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3380 = check__tmp;
 main__c1 = __return_3380;
 {
 _Bool __tmp_10;
 __tmp_10 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_10;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3543 = check__tmp;
 main__c1 = __return_3543;
 {
 _Bool __tmp_11;
 __tmp_11 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_11;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 __tmp_3202_0 = main____CPAchecker_TMP_0;
 goto label_3202;
 }
 }
 }
 }
 }
 else 
 {
 goto label_3520;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_3361;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 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 (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_3887:; 
 mode4 = 0;
 label_3730:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3746 = check__tmp;
 main__c1 = __return_3746;
 {
 _Bool __tmp_12;
 __tmp_12 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_12;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 __tmp_3202_0 = main____CPAchecker_TMP_0;
 goto label_3202;
 }
 }
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_3910 = check__tmp;
 main__c1 = __return_3910;
 __tmp_3196_0 = main____CPAchecker_TMP_0;
 goto label_3196;
 }
 }
 }
 else 
 {
 goto label_3887;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_3730;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_3711;
 }
 }
 }
 else 
 {
 mode3 = 0;
 goto label_3349;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node2__m2) == ((int)id2))
 {
 st2 = 1;
 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 (((int)node3__m3) > ((int)id3))
 {
 send3 = node3__m3;
 label_4460:; 
 mode3 = 0;
 label_4115:; 
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 node4__m4 = p3_old;
 p3_old = nomsg;
 if (((int)node4__m4) != ((int)nomsg))
 {
 if (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_4280:; 
 mode4 = 0;
 label_4127:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4143 = check__tmp;
 main__c1 = __return_4143;
 {
 _Bool __tmp_13;
 __tmp_13 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_13;
 if (assert__arg == 0)
 {
 {reach_error();}
 return __return_main;
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4303 = check__tmp;
 main__c1 = __return_4303;
 __tmp_3196_0 = main____CPAchecker_TMP_0;
 goto label_3196;
 }
 }
 }
 else 
 {
 goto label_4280;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_4127;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 if (((int)node3__m3) == ((int)id3))
 {
 st3 = 1;
 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 (((int)node4__m4) > ((int)id4))
 {
 send4 = node4__m4;
 label_4620:; 
 mode4 = 0;
 label_4479:; 
 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)
 {
 return __return_main;
 }
 else 
 {
 check__tmp = 0;
  __return_4495 = check__tmp;
 main__c1 = __return_4495;
 __tmp_3196_0 = main____CPAchecker_TMP_0;
 goto label_3196;
 }
 }
 }
 else 
 {
 if (((int)node4__m4) == ((int)id4))
 {
 st4 = 1;
 mode4 = 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;
 __tmp_3187_0 = main____CPAchecker_TMP_0;
 goto label_3187;
 }
 else 
 {
 goto label_4620;
 }
 }
 }
 else 
 {
 mode4 = 0;
 goto label_4479;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_4460;
 }
 }
 }
 else 
 {
 mode3 = 0;
 goto label_4115;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 goto label_4096;
 }
 }
 }
 else 
 {
 mode2 = 0;
 goto label_3337;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 send1 = node1__m1;
 goto label_3318;
 }
 }
 }
 else 
 {
 mode1 = 0;
 goto label_3051;
 }
 }
 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 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4538 = check__tmp;
 main__c1 = __return_4538;
 {
 _Bool __tmp_14;
 __tmp_14 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_14;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node3____CPAchecker_TMP_0 = p3_new;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4445 = check__tmp;
 main__c1 = __return_4445;
 {
 _Bool __tmp_15;
 __tmp_15 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_15;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4360 = check__tmp;
 main__c1 = __return_4360;
 {
 _Bool __tmp_16;
 __tmp_16 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_16;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node2____CPAchecker_TMP_0 = p2_new;
 p2_new = node2____CPAchecker_TMP_0;
 mode2 = 1;
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4265 = check__tmp;
 main__c1 = __return_4265;
 {
 _Bool __tmp_17;
 __tmp_17 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_17;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4192 = check__tmp;
 main__c1 = __return_4192;
 {
 _Bool __tmp_18;
 __tmp_18 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_18;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node3____CPAchecker_TMP_0 = p3_new;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_4081 = check__tmp;
 main__c1 = __return_4081;
 {
 _Bool __tmp_19;
 __tmp_19 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_19;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3981 = check__tmp;
 main__c1 = __return_3981;
 {
 _Bool __tmp_20;
 __tmp_20 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_20;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node1____CPAchecker_TMP_0 = p1_new;
 p1_new = node1____CPAchecker_TMP_0;
 mode1 = 1;
 {
 msg_t node2__m2;
 node2__m2 = nomsg;
 if (!(mode2 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node2____CPAchecker_TMP_0;
 if (send2 != nomsg)
 {
 if (p2_new == nomsg)
 {
 node2____CPAchecker_TMP_0 = send2;
 p2_new = node2____CPAchecker_TMP_0;
 mode2 = 1;
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3872 = check__tmp;
 main__c1 = __return_3872;
 {
 _Bool __tmp_21;
 __tmp_21 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_21;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3797 = check__tmp;
 main__c1 = __return_3797;
 {
 _Bool __tmp_22;
 __tmp_22 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_22;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node3____CPAchecker_TMP_0 = p3_new;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3696 = check__tmp;
 main__c1 = __return_3696;
 {
 _Bool __tmp_23;
 __tmp_23 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_23;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3608 = check__tmp;
 main__c1 = __return_3608;
 {
 _Bool __tmp_24;
 __tmp_24 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_24;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node2____CPAchecker_TMP_0 = p2_new;
 p2_new = node2____CPAchecker_TMP_0;
 mode2 = 1;
 {
 msg_t node3__m3;
 node3__m3 = nomsg;
 if (!(mode3 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node3____CPAchecker_TMP_0;
 if (send3 != nomsg)
 {
 if (p3_new == nomsg)
 {
 node3____CPAchecker_TMP_0 = send3;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3505 = check__tmp;
 main__c1 = __return_3505;
 {
 _Bool __tmp_25;
 __tmp_25 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_25;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3429 = check__tmp;
 main__c1 = __return_3429;
 {
 _Bool __tmp_26;
 __tmp_26 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_26;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node3____CPAchecker_TMP_0 = p3_new;
 p3_new = node3____CPAchecker_TMP_0;
 mode3 = 1;
 {
 msg_t node4__m4;
 node4__m4 = nomsg;
 if (!(mode4 == 0))
 {
 return __return_main;
 }
 else 
 {
 int node4____CPAchecker_TMP_0;
 if (send4 != nomsg)
 {
 if (p4_new == nomsg)
 {
 node4____CPAchecker_TMP_0 = send4;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3302 = check__tmp;
 main__c1 = __return_3302;
 {
 _Bool __tmp_27;
 __tmp_27 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_27;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 node4____CPAchecker_TMP_0 = p4_new;
 p4_new = node4____CPAchecker_TMP_0;
 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)
 {
 return __return_main;
 }
 else 
 {
 if ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 0)
 {
 if (((int)r1) < 4)
 {
 check__tmp = 1;
  __return_3028 = check__tmp;
 main__c1 = __return_3028;
 {
 _Bool __tmp_28;
 __tmp_28 = main__c1;
 _Bool assert__arg;
 assert__arg = __tmp_28;
 if (assert__arg == 0)
 {
 return __return_main;
 }
 else 
 {
 int main____CPAchecker_TMP_0 = main__i2;
 main__i2 = main__i2 + 1;
 __tmp_3038_0 = main____CPAchecker_TMP_0;
 goto label_3038;
 }
 }
 }
 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;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 else 
 {
 return __return_main;
 }
 }
 }