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#include <assert.h>
#define WIDTH 10
signed __CPROVER_bitvector[WIDTH] add(signed __CPROVER_bitvector[WIDTH] a, signed __CPROVER_bitvector[WIDTH] b)
{
return a+b;
}
int main(int argc, char** argv)
{
unsigned __CPROVER_bitvector[WIDTH] x;
x = 1;
unsigned __CPROVER_bitvector[WIDTH] y = 2;
unsigned __CPROVER_bitvector[WIDTH] z = 0;
z += x;
z += y;
unsigned __CPROVER_bitvector[WIDTH] w = 3;
assert(z == w);
assert(add(-x,-y) == -w);
{
unsigned __CPROVER_bitvector[5] a = 30;
unsigned __CPROVER_bitvector[3] b;
unsigned __CPROVER_bitvector[3] c = 6;
b = a;
assert(b == c);
}
{
unsigned __CPROVER_bitvector[3] a = 6;
unsigned __CPROVER_bitvector[5] b;
unsigned __CPROVER_bitvector[5] c = 6;
b = a;
assert(b == c);
}
{
signed __CPROVER_bitvector[5] a = 30;
signed __CPROVER_bitvector[3] b;
signed __CPROVER_bitvector[3] c = -2;
b = a; //just truncated
assert(b == c);
}
{
signed __CPROVER_bitvector[3] a = -2;
signed __CPROVER_bitvector[5] b;
signed __CPROVER_bitvector[5] c = -2;
b = a; //sign gets extended
assert(b == c);
}
return 0;
}
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