// c::P0 // file mix070.c line 11 void * P0(void *); // c::P1 // file mix070.c line 20 void * P1(void *); // c::main // file mix070.c line 32 int _main(void); // c::__CPROVER_initialize // file line 14 void __CPROVER_initialize(void); #include #include // 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; // weak::choice0 // _Bool weakchoice0; // weak::choice2 // _Bool weakchoice2; // c::__unbuffered_p0_r1$w_buff0 // int c__unbuffered_p0_r1w_buff0; // c::__unbuffered_p0_r1$w_buff1 // int c__unbuffered_p0_r1w_buff1; // c::__unbuffered_p0_r1$w_buff0_used // _Bool c__unbuffered_p0_r1w_buff0_used; // c::__unbuffered_p0_r1$w_buff1_used // _Bool c__unbuffered_p0_r1w_buff1_used; // c::__unbuffered_p0_r1$mem_tmp // int c__unbuffered_p0_r1mem_tmp; // c::__unbuffered_p0_r1$flush_delayed // _Bool c__unbuffered_p0_r1flush_delayed; // c::__unbuffered_p0_r1$read_delayed // _Bool c__unbuffered_p0_r1read_delayed; // c::__unbuffered_p0_r1$read_delayed_var // int * c__unbuffered_p0_r1read_delayed_var; // c::__unbuffered_p0_r1$r_buff0_thd0 // _Bool c__unbuffered_p0_r1r_buff0_thd0; // c::__unbuffered_p0_r1$r_buff1_thd0 // _Bool c__unbuffered_p0_r1r_buff1_thd0; // c::__unbuffered_p0_r1$r_buff0_thd1 // _Bool c__unbuffered_p0_r1r_buff0_thd1; // c::__unbuffered_p0_r1$r_buff1_thd1 // _Bool c__unbuffered_p0_r1r_buff1_thd1; // c::__unbuffered_p0_r1$r_buff0_thd2 // _Bool c__unbuffered_p0_r1r_buff0_thd2; // c::__unbuffered_p0_r1$r_buff1_thd2 // _Bool c__unbuffered_p0_r1r_buff1_thd2; // weak::choice1 // _Bool weakchoice1; // c::__unbuffered_cnt // file mix070.c line 1 int __unbuffered_cnt; // c::__unbuffered_p0_r1 // file mix070.c line 2 int __unbuffered_p0_r1; // c::__unbuffered_p0_r3 // file mix070.c line 3 int __unbuffered_p0_r3; // c::__unbuffered_p1_r1 // file mix070.c line 4 int __unbuffered_p1_r1; // c::__unbuffered_p1_r3 // file mix070.c line 5 int __unbuffered_p1_r3; // c::__unbuffered_p1_r4 // file mix070.c line 6 int __unbuffered_p1_r4; // c::__unbuffered_p1_r5 // file mix070.c line 7 int __unbuffered_p1_r5; // c::x // file mix070.c line 8 int x; // c::y // file mix070.c line 9 int y; // main // int main(void) { c__unbuffered_p0_r1w_buff0_used=false; c__unbuffered_p0_r1w_buff1_used=false; c__unbuffered_p0_r1flush_delayed=false; c__unbuffered_p0_r1read_delayed=false; c__unbuffered_p0_r1read_delayed_var=0; c__unbuffered_p0_r1r_buff0_thd0=false; c__unbuffered_p0_r1r_buff0_thd1=false; c__unbuffered_p0_r1r_buff0_thd2=false; c__unbuffered_p0_r1r_buff1_thd0=false; c__unbuffered_p0_r1r_buff1_thd1=false; c__unbuffered_p0_r1r_buff1_thd2=false; 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_buff1_thd0=false; cyr_buff1_thd1=false; cyr_buff1_thd2=false; __CPROVER_initialize(); _main(); } // c::P0 // file mix070.c line 11 void * P0(void * arg) { // file mix070.c line 12 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 12 function P0 weakchoice0=nondet_bool(); // file mix070.c line 12 function P0 weakchoice2=nondet_bool(); // file mix070.c line 12 function P0 cyflush_delayed=weakchoice2; // file mix070.c line 12 function P0 cymem_tmp=y; // file mix070.c line 12 function P0 y=(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? y:((cyw_buff0_used && cyr_buff0_thd1)? cyw_buff0:cyw_buff1)); // file mix070.c line 12 function P0 cyw_buff0=(weakchoice2? cyw_buff0:(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? cyw_buff0:((cyw_buff0_used && cyr_buff0_thd1)? cyw_buff0:cyw_buff0))); // file mix070.c line 12 function P0 cyw_buff1=(weakchoice2? cyw_buff1:(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? cyw_buff1:((cyw_buff0_used && cyr_buff0_thd1)? cyw_buff1:cyw_buff1))); // file mix070.c line 12 function P0 cyw_buff0_used=(weakchoice2? cyw_buff0_used:(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? cyw_buff0_used:((cyw_buff0_used && cyr_buff0_thd1)? false:cyw_buff0_used))); // file mix070.c line 12 function P0 cyw_buff1_used=(weakchoice2? cyw_buff1_used:(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? cyw_buff1_used:((cyw_buff0_used && cyr_buff0_thd1)? false:false))); // file mix070.c line 12 function P0 cyr_buff0_thd1=(weakchoice2? cyr_buff0_thd1:(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? cyr_buff0_thd1:((cyw_buff0_used && cyr_buff0_thd1)? false:cyr_buff0_thd1))); // file mix070.c line 12 function P0 cyr_buff1_thd1=(weakchoice2? cyr_buff1_thd1:(((!cyw_buff0_used) || (((!cyr_buff0_thd1) && (!cyw_buff1_used)) || ((!cyr_buff0_thd1) && (!cyr_buff1_thd1))))? cyr_buff1_thd1:((cyw_buff0_used && cyr_buff0_thd1)? false:false))); // file mix070.c line 12 function P0 c__unbuffered_p0_r1read_delayed=true; // file mix070.c line 12 function P0 c__unbuffered_p0_r1read_delayed_var=(&y); // file mix070.c line 12 function P0 __unbuffered_p0_r1=y; // file mix070.c line 12 function P0 y=(cyflush_delayed? cymem_tmp:y); // file mix070.c line 12 function P0 cyflush_delayed=false; // file mix070.c line 12 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 13 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 13 function P0 __unbuffered_p0_r3=1; // file mix070.c line 13 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 14 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 14 function P0 x=__unbuffered_p0_r3; // file mix070.c line 14 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 16 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 16 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 17 function P0 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 17 function P0 __unbuffered_cnt=((__unbuffered_cnt+1)); // file mix070.c line 17 function P0 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 18 function P0 return nondet_ptr(); // file mix070.c line 18 function P0 } // c::P1 // file mix070.c line 20 void * P1(void * arg1) { // file mix070.c line 21 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 21 function P1 __unbuffered_p1_r1=2; // file mix070.c line 21 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 22 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 22 function P1 x=__unbuffered_p1_r1; // file mix070.c line 22 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 23 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 23 function P1 __unbuffered_p1_r3=x; // file mix070.c line 23 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 24 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 24 function P1 __unbuffered_p1_r4=((__unbuffered_p1_r3 ^ __unbuffered_p1_r3)); // file mix070.c line 24 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 25 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 25 function P1 __unbuffered_p1_r5=1; // file mix070.c line 25 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 26 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 26 function P1 y=((__unbuffered_p1_r5+__unbuffered_p1_r4)); // file mix070.c line 26 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 28 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 28 function P1 y=((cyw_buff0_used && cyr_buff0_thd2)? cyw_buff0:((cyw_buff1_used && cyr_buff1_thd2)? cyw_buff1:y)); // file mix070.c line 28 function P1 cyw_buff0_used=((cyw_buff0_used && cyr_buff0_thd2)? false:cyw_buff0_used); // file mix070.c line 28 function P1 cyw_buff1_used=(((cyw_buff0_used && cyr_buff0_thd2) || (cyw_buff1_used && cyr_buff1_thd2))? false:cyw_buff1_used); // file mix070.c line 28 function P1 cyr_buff0_thd2=((cyw_buff0_used && cyr_buff0_thd2)? false:cyr_buff0_thd2); // file mix070.c line 28 function P1 cyr_buff1_thd2=(((cyw_buff0_used && cyr_buff0_thd2) || (cyw_buff1_used && cyr_buff1_thd2))? false:cyr_buff1_thd2); // file mix070.c line 28 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 29 function P1 // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 29 function P1 __unbuffered_cnt=((__unbuffered_cnt+1)); // file mix070.c line 29 function P1 // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 30 function P1 return nondet_ptr(); // file mix070.c line 30 function P1 } // c::main // file mix070.c line 32 int _main(void) { pthread_t __pt0; pthread_t __pt1; // file mix070.c line 33 function main // START_THREAD pthread_create(&__pt0, 0, P0, 0); // file mix070.c line 34 function main L1: // START_THREAD pthread_create(&__pt1, 0, P1, 0); // file mix070.c line 35 function main L2: // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 35 function main tmp_guard=(__unbuffered_cnt==2); // file mix070.c line 35 function main // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 35 function main __CPROVER_assume(tmp_guard); // file mix070.c line 36 function main // ATOMIC_BEGIN __CPROVER_atomic_begin(); // file mix070.c line 36 function main weakchoice1=nondet_bool(); // file mix070.c line 36 function main __unbuffered_p0_r1=(c__unbuffered_p0_r1read_delayed? (weakchoice1? (*c__unbuffered_p0_r1read_delayed_var):__unbuffered_p0_r1):__unbuffered_p0_r1); // file mix070.c line 36 function main tmp_guard1=(!(((x==2) && (__unbuffered_p0_r1==1)) && (__unbuffered_p1_r3==2))); // file mix070.c line 36 function main // ATOMIC_END __CPROVER_atomic_end(); // file mix070.c line 36 function main assert(tmp_guard1); // file mix070.c line 37 function main return 0; // file mix070.c line 38 function main } // 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 mix070.c line 1 __unbuffered_cnt=0; // file mix070.c line 2 __unbuffered_p0_r1=0; // file mix070.c line 3 __unbuffered_p0_r3=0; // file mix070.c line 4 __unbuffered_p1_r1=0; // file mix070.c line 5 __unbuffered_p1_r3=0; // file mix070.c line 6 __unbuffered_p1_r4=0; // file mix070.c line 7 __unbuffered_p1_r5=0; // file mix070.c line 8 x=0; // file mix070.c line 9 y=0; }