Description
Hello,
current CBMC master crashes on the attached Java program (distilled
from production code).
Thanks,
Vladimir Klebanov
CBMC version 5.4 64-bit x86_64 linux
Parsing Driver.class
Java main class: Driver
failed to load class java.lang.String' failed to load classjava.lang.Object'
failed to load class java.lang.Class' failed to load classjava.lang.AssertionError'
Converting
Generating GOTO Program
Adding CPROVER library (x86_64)
Removal of function pointers and virtual functions
Partial Inlining
Generic Property Instrumentation
Starting Bounded Model Checking
**** WARNING: no body for function
java::java.lang.Class.desiredAssertionStatus:()Z
**** WARNING: no body for function java::java.lang.Object.:()V
**** WARNING: no body for function java::java.lang.AssertionError.:()V
file Driver.java line 50: identifier __CPROVER_memory not found
public class Driver {
static byte[] out,in;
public static void main(String[] argv) {
X x = new X();
x.y(out);
}
}
final class X {
private static final int DIGEST_SIZE = 20;
private transient MyMessageDigest digest;
private byte[] state;
public X() {
init(null);
}
private void init(byte[] seed) {
digest = new MyMessageDigest();
if (seed != null) {
state = digest.digest(seed);
}
}
public synchronized void y(byte[] result) {
byte[] output = digest.digest();
}
}
class MyMessageDigest {
private byte[] state = null;
public void update(byte[] input) {
assert(input.length == 20);
state = input;
}
public byte[] digest() {
byte[] tmp = state;
state = null;
return tmp;
}
public byte[] digest(byte[] input) {
update(input);
return digest();
}
}