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procedure Main();
implementation Main()
{
var x: int;
var y: int;
anon0:
x := 1;
y := 0;
call x := inc(x, 5);
call y := incdec(x, 2);
assert x - 1 == y;
return;
}
procedure {:inline 1} incdec(x: int, y: int) returns (z: int);
ensures z == x + 1 - y;
implementation {:inline 1} incdec(x: int, y: int) returns (z: int)
{
anon0:
z := x;
z := x + 1;
call z := dec(z, y);
return;
}
procedure {:inline 1} inc(x: int, i: int) returns (y: int);
ensures y == x + i;
implementation {:inline 1} inc(x: int, i: int) returns (y: int)
{
anon0:
y := x;
y := x + i;
return;
}
procedure {:inline 1} dec(x: int, i: int) returns (y: int);
ensures y == x - i;
implementation {:inline 1} dec(x: int, i: int) returns (y: int)
{
anon0:
y := x;
y := x - i;
return;
}
after inlining procedure calls
procedure Main();
implementation Main()
{
var x: int;
var y: int;
var inline$inc$0$x: int;
var inline$inc$0$i: int;
var inline$inc$0$y: int;
var inline$incdec$0$x: int;
var inline$incdec$0$y: int;
var inline$incdec$0$z: int;
var inline$dec$0$x: int;
var inline$dec$0$i: int;
var inline$dec$0$y: int;
anon0:
x := 1;
y := 0;
goto inline$inc$0$Entry;
inline$inc$0$Entry:
inline$inc$0$x := x;
inline$inc$0$i := 5;
havoc inline$inc$0$y;
goto inline$inc$0$anon0;
inline$inc$0$anon0:
inline$inc$0$y := inline$inc$0$x;
inline$inc$0$y := inline$inc$0$x + inline$inc$0$i;
goto inline$inc$0$Return;
inline$inc$0$Return:
assert inline$inc$0$y == inline$inc$0$x + inline$inc$0$i;
x := inline$inc$0$y;
goto anon0$1;
anon0$1:
goto inline$incdec$0$Entry;
inline$incdec$0$Entry:
inline$incdec$0$x := x;
inline$incdec$0$y := 2;
havoc inline$incdec$0$z;
goto inline$incdec$0$anon0;
inline$incdec$0$anon0:
inline$incdec$0$z := inline$incdec$0$x;
inline$incdec$0$z := inline$incdec$0$x + 1;
goto inline$dec$0$Entry;
inline$dec$0$Entry:
inline$dec$0$x := inline$incdec$0$z;
inline$dec$0$i := inline$incdec$0$y;
havoc inline$dec$0$y;
goto inline$dec$0$anon0;
inline$dec$0$anon0:
inline$dec$0$y := inline$dec$0$x;
inline$dec$0$y := inline$dec$0$x - inline$dec$0$i;
goto inline$dec$0$Return;
inline$dec$0$Return:
assert inline$dec$0$y == inline$dec$0$x - inline$dec$0$i;
inline$incdec$0$z := inline$dec$0$y;
goto inline$incdec$0$anon0$1;
inline$incdec$0$anon0$1:
goto inline$incdec$0$Return;
inline$incdec$0$Return:
assert inline$incdec$0$z == inline$incdec$0$x + 1 - inline$incdec$0$y;
y := inline$incdec$0$z;
goto anon0$2;
anon0$2:
assert x - 1 == y;
return;
}
after inlining procedure calls
procedure {:inline 1} incdec(x: int, y: int) returns (z: int);
ensures z == x + 1 - y;
implementation {:inline 1} incdec(x: int, y: int) returns (z: int)
{
var inline$dec$0$x: int;
var inline$dec$0$i: int;
var inline$dec$0$y: int;
anon0:
z := x;
z := x + 1;
goto inline$dec$0$Entry;
inline$dec$0$Entry:
inline$dec$0$x := z;
inline$dec$0$i := y;
havoc inline$dec$0$y;
goto inline$dec$0$anon0;
inline$dec$0$anon0:
inline$dec$0$y := inline$dec$0$x;
inline$dec$0$y := inline$dec$0$x - inline$dec$0$i;
goto inline$dec$0$Return;
inline$dec$0$Return:
assert inline$dec$0$y == inline$dec$0$x - inline$dec$0$i;
z := inline$dec$0$y;
goto anon0$1;
anon0$1:
return;
}
Boogie program verifier finished with 4 verified, 0 errors
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