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Java Bytec 64199 pair #381919228
details
property
value
status
complete
benchmark
NonPeriodic.jar
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n045.star.cs.uiowa.edu
space
Julia_10_Iterative
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
1.83052301407 seconds
cpu usage
3.894107728
max memory
2.41782784E8
stage attributes
key
value
output-size
1996
starexec-result
YES
output
/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.jar /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be proven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCToGraph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, 165 ms] (4) JBCTerminationGraph (5) TerminationGraphToSCCProof [SOUND, 0 ms] (6) TRUE ---------------------------------------- (0) Obligation: need to prove termination of the following program: public class NonPeriodic { public static void main(String args[]) { int x = 1, y = 0; if (args.length >= 1) { y = -1*args[0].length(); } // does not terminate for x = 1 and y = 1 while (y > 0) if (x > 0) x = x - 1; else { y = y + 1; x = y; } } } ---------------------------------------- (1) BareJBCToJBCProof (EQUIVALENT) initialized classpath ---------------------------------------- (2) Obligation: need to prove termination of the following program: public class NonPeriodic { public static void main(String args[]) { int x = 1, y = 0; if (args.length >= 1) { y = -1*args[0].length(); } // does not terminate for x = 1 and y = 1 while (y > 0) if (x > 0) x = x - 1; else { y = y + 1; x = y; } } } ---------------------------------------- (3) JBCToGraph (EQUIVALENT) Constructed TerminationGraph. ---------------------------------------- (4) Obligation: Termination Graph based on JBC Program: NonPeriodic.main([Ljava/lang/String;)V: Graph of 53 nodes with 0 SCCs. ---------------------------------------- (5) TerminationGraphToSCCProof (SOUND) Proven termination by absence of SCCs ---------------------------------------- (6) TRUE
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