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Java_Bytecode 2019-04-01 06.50 pair #433315591
details
property
value
status
complete
benchmark
CyclicalListDuplicate.jar
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n050.star.cs.uiowa.edu
space
Costa_Julia_09
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
2.7625 seconds
cpu usage
6.02175
user time
5.77394
system time
0.247807
max virtual memory
1.8478228E7
max residence set size
398572.0
stage attributes
key
value
starexec-result
NO
output
5.84/2.72 NO 5.84/2.72 proof of /export/starexec/sandbox/benchmark/theBenchmark.jar 5.84/2.72 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.84/2.72 5.84/2.72 5.84/2.72 termination of the given Bare JBC problem could be disproven: 5.84/2.72 5.84/2.72 (0) Bare JBC problem 5.84/2.72 (1) BareJBCToJBCProof [EQUIVALENT, 122 ms] 5.84/2.72 (2) JBC problem 5.84/2.72 (3) JBCNonTerm [COMPLETE, 443 ms] 5.84/2.72 (4) NO 5.84/2.72 5.84/2.72 5.84/2.72 ---------------------------------------- 5.84/2.72 5.84/2.72 (0) 5.84/2.72 Obligation: 5.84/2.72 need to prove termination of the following program: 5.84/2.72 /** 5.84/2.72 * This class represents a list, where the function duplicate() can be used to 5.84/2.72 * duplicate all elements in the list. 5.84/2.72 * @author cotto 5.84/2.72 */ 5.84/2.72 public class CyclicalListDuplicate { 5.84/2.72 /** 5.84/2.72 * A reference to the next list element. 5.84/2.72 */ 5.84/2.72 private CyclicalListDuplicate next; 5.84/2.72 5.84/2.72 public static void main(String[] args) { 5.84/2.72 CyclicalListDuplicate list = CyclicalListDuplicate.generate(args.length); 5.84/2.72 if (list != null) { 5.84/2.72 list.duplicate(); 5.84/2.72 } 5.84/2.72 } 5.84/2.72 5.84/2.72 /** 5.84/2.72 * Create a new list element. 5.84/2.72 * @param n a reference to the next element. 5.84/2.72 */ 5.84/2.72 public CyclicalListDuplicate(final CyclicalListDuplicate n) { 5.84/2.72 this.next = n; 5.84/2.72 } 5.84/2.72 5.84/2.72 public static CyclicalListDuplicate generate(int length) { 5.84/2.72 CyclicalListDuplicate last, current; 5.84/2.72 last = current = new CyclicalListDuplicate(null); 5.84/2.72 for (int i = 0; i < length - 1; i++) { 5.84/2.72 current = new CyclicalListDuplicate(current); 5.84/2.72 } 5.84/2.72 last.next = current; 5.84/2.72 return current; 5.84/2.72 } 5.84/2.72 5.84/2.72 /** 5.84/2.72 * Walk through the list and, for each original element, copy it and append 5.84/2.72 * this copy after the original. This transforms abc to aabbcc. 5.84/2.72 */ 5.84/2.72 public void duplicate() { 5.84/2.72 CyclicalListDuplicate current = this; 5.84/2.72 boolean even = true; 5.84/2.72 while (current != null) { 5.84/2.72 // only copy the original elements! 5.84/2.72 if (even) { 5.84/2.72 final CyclicalListDuplicate copy = new CyclicalListDuplicate(current.next); 5.84/2.72 current.next = copy; 5.84/2.72 } 5.84/2.72 current = current.next; 5.84/2.72 even = !even; 5.84/2.72 } 5.84/2.72 } 5.84/2.72 } 5.84/2.72 5.84/2.72 5.84/2.72 5.84/2.72 ---------------------------------------- 5.84/2.72 5.84/2.72 (1) BareJBCToJBCProof (EQUIVALENT) 5.84/2.72 initialized classpath 5.84/2.72 ---------------------------------------- 5.84/2.72 5.84/2.72 (2) 5.84/2.72 Obligation: 5.84/2.72 need to prove termination of the following program: 5.84/2.72 /** 5.84/2.72 * This class represents a list, where the function duplicate() can be used to 5.84/2.72 * duplicate all elements in the list. 5.84/2.72 * @author cotto 5.84/2.72 */ 5.84/2.72 public class CyclicalListDuplicate { 5.84/2.72 /** 5.84/2.72 * A reference to the next list element. 5.84/2.72 */ 5.84/2.72 private CyclicalListDuplicate next; 5.84/2.72 5.84/2.72 public static void main(String[] args) { 5.84/2.72 CyclicalListDuplicate list = CyclicalListDuplicate.generate(args.length); 5.84/2.72 if (list != null) { 5.84/2.72 list.duplicate();
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