/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.jar /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox2/benchmark/theBenchmark.jar # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be proven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCToGraph [EQUIVALENT, 159 ms] (4) JBCTerminationGraph (5) TerminationGraphToSCCProof [SOUND, 0 ms] (6) TRUE ---------------------------------------- (0) Obligation: need to prove termination of the following program: public class Random { static String[] args; static int index = 0; public static int random() { String string = args[index]; index++; return string.length(); } } public class SharingPair { SharingPair next; public static void main(String[] args) { Random.args = args; SharingPair one = new SharingPair(); SharingPair two = new SharingPair(); SharingPair cur; int i = Random.random(); if (i == 0) { one.next = two; cur = one; } else { two.next = one; cur = two; } while (true) { if (i == 0) { one.next = new SharingPair(); cur = cur.next; } else { two.next = new SharingPair(); cur = cur.next; } } } } ---------------------------------------- (1) BareJBCToJBCProof (EQUIVALENT) initialized classpath ---------------------------------------- (2) Obligation: need to prove termination of the following program: public class Random { static String[] args; static int index = 0; public static int random() { String string = args[index]; index++; return string.length(); } } public class SharingPair { SharingPair next; public static void main(String[] args) { Random.args = args; SharingPair one = new SharingPair(); SharingPair two = new SharingPair(); SharingPair cur; int i = Random.random(); if (i == 0) { one.next = two; cur = one; } else { two.next = one; cur = two; } while (true) { if (i == 0) { one.next = new SharingPair(); cur = cur.next; } else { two.next = new SharingPair(); cur = cur.next; } } } } ---------------------------------------- (3) JBCToGraph (EQUIVALENT) Constructed TerminationGraph. ---------------------------------------- (4) Obligation: Termination Graph based on JBC Program: SharingPair.main([Ljava/lang/String;)V: Graph of 246 nodes with 0 SCCs. ---------------------------------------- (5) TerminationGraphToSCCProof (SOUND) Proven termination by absence of SCCs ---------------------------------------- (6) TRUE