// c::P0 // file mix114.c line 15 void * P0(void *); // c::P1 // file mix114.c line 25 void * P1(void *); // c::P2 // file mix114.c line 33 void * P2(void *); // c::P3 // file mix114.c line 41 void * P3(void *); // c::__CPROVER_initialize // file line 14 void __CPROVER_initialize(void); // c::main // file mix114.c line 52 int _main(void); #include #include // c::__unbuffered_p0_r1 // file mix114.c line 2 int __unbuffered_p0_r1; // c::__unbuffered_p0_r3 // file mix114.c line 3 int __unbuffered_p0_r3; // c::__unbuffered_p1_r1 // file mix114.c line 4 int __unbuffered_p1_r1; // c::__unbuffered_p2_r1 // file mix114.c line 5 int __unbuffered_p2_r1; // c::__unbuffered_p2_r3 // file mix114.c line 6 int __unbuffered_p2_r3; // c::__unbuffered_p3_r1 // file mix114.c line 7 int __unbuffered_p3_r1; // c::__unbuffered_p3_r3 // file mix114.c line 8 int __unbuffered_p3_r3; // c::__unbuffered_p3_r4 // file mix114.c line 9 int __unbuffered_p3_r4; // c::__unbuffered_p3_r5 // file mix114.c line 10 int __unbuffered_p3_r5; // c::x // file mix114.c line 11 int x; // c::y // file mix114.c line 12 int y; // c::z // file mix114.c line 13 int z; // c::main$tmp_guard0 // _Bool tmp_guard; // c::main$tmp_guard1 // _Bool tmp_guard1; // c::y$w_buff0 // int cyw_buff0; // c::y$w_buff1 // int cyw_buff1; // c::y$w_buff0_used // _Bool cyw_buff0_used; // c::y$w_buff1_used // _Bool cyw_buff1_used; // c::y$mem_tmp // int cymem_tmp; // c::y$flush_delayed // _Bool cyflush_delayed; // c::y$read_delayed // _Bool cyread_delayed; // c::y$read_delayed_var // int * cyread_delayed_var; // c::y$r_buff0_thd0 // _Bool cyr_buff0_thd0; // c::y$r_buff1_thd0 // _Bool cyr_buff1_thd0; // c::y$r_buff0_thd1 // _Bool cyr_buff0_thd1; // c::y$r_buff1_thd1 // _Bool cyr_buff1_thd1; // c::y$r_buff0_thd2 // _Bool cyr_buff0_thd2; // c::y$r_buff1_thd2 // _Bool cyr_buff1_thd2; // c::y$r_buff0_thd3 // _Bool cyr_buff0_thd3; // c::y$r_buff1_thd3 // _Bool cyr_buff1_thd3; // c::y$r_buff0_thd4 // _Bool cyr_buff0_thd4; // c::y$r_buff1_thd4 // _Bool cyr_buff1_thd4; // weak::choice0 // _Bool weakchoice0; // weak::choice2 // _Bool weakchoice2; // c::__unbuffered_cnt // file mix114.c line 1 int __unbuffered_cnt; // main // int main(void) { cyw_buff0_used=false; cyw_buff1_used=false; cyflush_delayed=false; cyread_delayed=false; cyread_delayed_var=0; cyr_buff0_thd0=false; cyr_buff0_thd1=false; cyr_buff0_thd2=false; cyr_buff0_thd3=false; cyr_buff0_thd4=false; cyr_buff1_thd0=false; cyr_buff1_thd1=false; cyr_buff1_thd2=false; cyr_buff1_thd3=false; cyr_buff1_thd4=false; __CPROVER_initialize(); _main(); } // c::P0 // file mix114.c line 15 void * P0(void * arg) { // file mix114.c line 16 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 16 function P0 __unbuffered_p0_r1=1; // file mix114.c line 16 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 17 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 17 function P0 z=__unbuffered_p0_r1; // file mix114.c line 17 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 18 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 18 function P0 __unbuffered_p0_r3=1; // file mix114.c line 18 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 19 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 19 function P0 x=__unbuffered_p0_r3; // file mix114.c line 19 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 21 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 21 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 22 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 22 function P0 __unbuffered_cnt=((__unbuffered_cnt+1)); // file mix114.c line 22 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 23 function P0 return nondet_ptr(); // file mix114.c line 23 function P0 } // c::P1 // file mix114.c line 25 void * P1(void * arg1) { // file mix114.c line 26 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 26 function P1 __unbuffered_p1_r1=2; // file mix114.c line 26 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 27 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 27 function P1 x=__unbuffered_p1_r1; // file mix114.c line 27 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 29 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 29 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 30 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 30 function P1 __unbuffered_cnt=((__unbuffered_cnt+1)); // file mix114.c line 30 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 31 function P1 return nondet_ptr(); // file mix114.c line 31 function P1 } // c::P2 // file mix114.c line 33 void * P2(void * arg2) { // file mix114.c line 34 function P2 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 34 function P2 __unbuffered_p2_r1=x; // file mix114.c line 34 function P2 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 35 function P2 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 35 function P2 weakchoice0=nondet_bool(); // file mix114.c line 35 function P2 weakchoice2=nondet_bool(); // file mix114.c line 35 function P2 cyflush_delayed=weakchoice2; // file mix114.c line 35 function P2 cymem_tmp=y; // file mix114.c line 35 function P2 y=(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? y:((cyw_buff0_used && cyr_buff0_thd3)? cyw_buff0:cyw_buff1)); // file mix114.c line 35 function P2 cyw_buff0=(weakchoice2? cyw_buff0:(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? cyw_buff0:((cyw_buff0_used && cyr_buff0_thd3)? cyw_buff0:cyw_buff0))); // file mix114.c line 35 function P2 cyw_buff1=(weakchoice2? cyw_buff1:(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? cyw_buff1:((cyw_buff0_used && cyr_buff0_thd3)? cyw_buff1:cyw_buff1))); // file mix114.c line 35 function P2 cyw_buff0_used=(weakchoice2? cyw_buff0_used:(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? cyw_buff0_used:((cyw_buff0_used && cyr_buff0_thd3)? false:cyw_buff0_used))); // file mix114.c line 35 function P2 cyw_buff1_used=(weakchoice2? cyw_buff1_used:(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? cyw_buff1_used:((cyw_buff0_used && cyr_buff0_thd3)? false:false))); // file mix114.c line 35 function P2 cyr_buff0_thd3=(weakchoice2? cyr_buff0_thd3:(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? cyr_buff0_thd3:((cyw_buff0_used && cyr_buff0_thd3)? false:cyr_buff0_thd3))); // file mix114.c line 35 function P2 cyr_buff1_thd3=(weakchoice2? cyr_buff1_thd3:(((!cyw_buff0_used) || (((!cyr_buff0_thd3) && (!cyw_buff1_used)) || ((!cyr_buff0_thd3) && (!cyr_buff1_thd3))))? cyr_buff1_thd3:((cyw_buff0_used && cyr_buff0_thd3)? false:false))); // file mix114.c line 35 function P2 __unbuffered_p2_r3=y; // file mix114.c line 35 function P2 y=(cyflush_delayed? cymem_tmp:y); // file mix114.c line 35 function P2 cyflush_delayed=false; // file mix114.c line 35 function P2 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 37 function P2 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 37 function P2 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 38 function P2 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 38 function P2 __unbuffered_cnt=((__unbuffered_cnt+1)); // file mix114.c line 38 function P2 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 39 function P2 return nondet_ptr(); // file mix114.c line 39 function P2 } // c::P3 // file mix114.c line 41 void * P3(void * arg3) { // file mix114.c line 42 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 42 function P3 __unbuffered_p3_r1=1; // file mix114.c line 42 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 43 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 43 function P3 cyw_buff1=cyw_buff0; // file mix114.c line 43 function P3 cyw_buff0=__unbuffered_p3_r1; // file mix114.c line 43 function P3 cyw_buff1_used=cyw_buff0_used; // file mix114.c line 43 function P3 cyw_buff0_used=true; // file mix114.c line 43 function P3 assert((!(cyw_buff1_used && cyw_buff0_used))); // file mix114.c line 43 function P3 cyr_buff1_thd0=cyr_buff0_thd0; // file mix114.c line 43 function P3 cyr_buff1_thd1=cyr_buff0_thd1; // file mix114.c line 43 function P3 cyr_buff1_thd2=cyr_buff0_thd2; // file mix114.c line 43 function P3 cyr_buff1_thd3=cyr_buff0_thd3; // file mix114.c line 43 function P3 cyr_buff1_thd4=cyr_buff0_thd4; // file mix114.c line 43 function P3 cyr_buff0_thd4=true; // file mix114.c line 43 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 44 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 44 function P3 weakchoice0=nondet_bool(); // file mix114.c line 44 function P3 weakchoice2=nondet_bool(); // file mix114.c line 44 function P3 cyflush_delayed=weakchoice2; // file mix114.c line 44 function P3 cymem_tmp=y; // file mix114.c line 44 function P3 y=(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? y:((cyw_buff0_used && cyr_buff0_thd4)? cyw_buff0:cyw_buff1)); // file mix114.c line 44 function P3 cyw_buff0=(weakchoice2? cyw_buff0:(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? cyw_buff0:((cyw_buff0_used && cyr_buff0_thd4)? cyw_buff0:cyw_buff0))); // file mix114.c line 44 function P3 cyw_buff1=(weakchoice2? cyw_buff1:(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? cyw_buff1:((cyw_buff0_used && cyr_buff0_thd4)? cyw_buff1:cyw_buff1))); // file mix114.c line 44 function P3 cyw_buff0_used=(weakchoice2? cyw_buff0_used:(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? cyw_buff0_used:((cyw_buff0_used && cyr_buff0_thd4)? false:cyw_buff0_used))); // file mix114.c line 44 function P3 cyw_buff1_used=(weakchoice2? cyw_buff1_used:(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? cyw_buff1_used:((cyw_buff0_used && cyr_buff0_thd4)? false:false))); // file mix114.c line 44 function P3 cyr_buff0_thd4=(weakchoice2? cyr_buff0_thd4:(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? cyr_buff0_thd4:((cyw_buff0_used && cyr_buff0_thd4)? false:cyr_buff0_thd4))); // file mix114.c line 44 function P3 cyr_buff1_thd4=(weakchoice2? cyr_buff1_thd4:(((!cyw_buff0_used) || (((!cyr_buff0_thd4) && (!cyw_buff1_used)) || ((!cyr_buff0_thd4) && (!cyr_buff1_thd4))))? cyr_buff1_thd4:((cyw_buff0_used && cyr_buff0_thd4)? false:false))); // file mix114.c line 44 function P3 __unbuffered_p3_r3=y; // file mix114.c line 44 function P3 y=(cyflush_delayed? cymem_tmp:y); // file mix114.c line 44 function P3 cyflush_delayed=false; // file mix114.c line 44 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 45 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 45 function P3 __unbuffered_p3_r4=((__unbuffered_p3_r3 ^ __unbuffered_p3_r3)); // file mix114.c line 45 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 46 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 46 function P3 __unbuffered_p3_r5=(((int) z)+=__unbuffered_p3_r4); // file mix114.c line 46 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 48 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 48 function P3 y=((cyw_buff0_used && cyr_buff0_thd4)? cyw_buff0:((cyw_buff1_used && cyr_buff1_thd4)? cyw_buff1:y)); // file mix114.c line 48 function P3 cyw_buff0_used=((cyw_buff0_used && cyr_buff0_thd4)? false:cyw_buff0_used); // file mix114.c line 48 function P3 cyw_buff1_used=(((cyw_buff0_used && cyr_buff0_thd4) || (cyw_buff1_used && cyr_buff1_thd4))? false:cyw_buff1_used); // file mix114.c line 48 function P3 cyr_buff0_thd4=((cyw_buff0_used && cyr_buff0_thd4)? false:cyr_buff0_thd4); // file mix114.c line 48 function P3 cyr_buff1_thd4=(((cyw_buff0_used && cyr_buff0_thd4) || (cyw_buff1_used && cyr_buff1_thd4))? false:cyr_buff1_thd4); // file mix114.c line 48 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 49 function P3 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 49 function P3 __unbuffered_cnt=((__unbuffered_cnt+1)); // file mix114.c line 49 function P3 // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 50 function P3 return nondet_ptr(); // file mix114.c line 50 function P3 } // c::__CPROVER_initialize // file line 14 void __CPROVER_initialize(void) { // file line 26 // file line 27 // file line 28 // file line 29 // file line 38 // file mix114.c line 1 __unbuffered_cnt=0; // file mix114.c line 2 __unbuffered_p0_r1=0; // file mix114.c line 3 __unbuffered_p0_r3=0; // file mix114.c line 4 __unbuffered_p1_r1=0; // file mix114.c line 5 __unbuffered_p2_r1=0; // file mix114.c line 6 __unbuffered_p2_r3=0; // file mix114.c line 7 __unbuffered_p3_r1=0; // file mix114.c line 8 __unbuffered_p3_r3=0; // file mix114.c line 9 __unbuffered_p3_r4=0; // file mix114.c line 10 __unbuffered_p3_r5=0; // file mix114.c line 11 x=0; // file mix114.c line 12 y=0; // file mix114.c line 13 z=0; } // c::main // file mix114.c line 52 int _main(void) { pthread_t __pt0; pthread_t __pt1; pthread_t __pt2; pthread_t __pt3; // file mix114.c line 53 function main // START_THREAD pthread_create(&__pt0, 0, P0, 0); // file mix114.c line 54 function main L1: // START_THREAD pthread_create(&__pt1, 0, P1, 0); // file mix114.c line 55 function main L2: // START_THREAD pthread_create(&__pt2, 0, P2, 0); // file mix114.c line 56 function main L3: // START_THREAD pthread_create(&__pt3, 0, P3, 0); // file mix114.c line 57 function main L4: // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 57 function main tmp_guard=(__unbuffered_cnt==4); // file mix114.c line 57 function main // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 57 function main __CPROVER_assume(tmp_guard); // file mix114.c line 58 function main // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix114.c line 58 function main tmp_guard1=(!(((((x==2) && (__unbuffered_p2_r1==2)) && (__unbuffered_p2_r3==0)) && (__unbuffered_p3_r3==1)) && (__unbuffered_p3_r5==0))); // file mix114.c line 58 function main // ATOMIC_END __CPROVER_atomic_end(); // file mix114.c line 58 function main assert(tmp_guard1); // file mix114.c line 59 function main return 0; // file mix114.c line 60 function main }