#include int main() { int x,y,z; x = 0, y = 0, z = 0; $read_set_push(); int a = x + y; x = a; $mem m = $read_set_pop(); $mem oracle = ($mem)&x; oracle = $mem_union(oracle, ($mem)&y); oracle = $mem_union(oracle, ($mem)&a); $assert($mem_equals(m, oracle)); }