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Java Bytec 64199 pair #381919388
details
property
value
status
complete
benchmark
NO_12.jar
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n077.star.cs.uiowa.edu
space
Julia_11_iterative
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
2.19084405899 seconds
cpu usage
5.251966383
max memory
4.07527424E8
stage attributes
key
value
output-size
3524
starexec-result
NO
output
/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.jar /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO 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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be disproven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCToGraph [EQUIVALENT, 284 ms] (4) JBCTerminationGraph (5) JBCNonTerm [COMPLETE, 94 ms] (6) NO ---------------------------------------- (0) Obligation: need to prove termination of the following program: public class NO_12 { public static void main(String args[]) { int j = 0; for (int i = 0; i <= j; i++) if (j-i < 1) j += 2; } } ---------------------------------------- (1) BareJBCToJBCProof (EQUIVALENT) initialized classpath ---------------------------------------- (2) Obligation: need to prove termination of the following program: public class NO_12 { public static void main(String args[]) { int j = 0; for (int i = 0; i <= j; i++) if (j-i < 1) j += 2; } } ---------------------------------------- (3) JBCToGraph (EQUIVALENT) Constructed TerminationGraph. ---------------------------------------- (4) Obligation: Termination Graph based on JBC Program: NO_12.main([Ljava/lang/String;)V: Graph of 30 nodes with 1 SCC. ---------------------------------------- (5) JBCNonTerm (COMPLETE) Reached a loop using the following run: 0:<NO_12.main||0: push 0|| - || -> YES: (JL1) 1:<NO_12.main||1: store INT to #1|| - ||0> YES: (JL1) 2:<NO_12.main||2: push 0||#1: 0|| -> YES: (JL1) 3:<NO_12.main||3: store INT to #2||#1: 0||0> YES: (JL1) 4:<NO_12.main||4: load INT #2||#1: 0, #2: 0|| -> YES: (JL1) Start state of loop: [o30(lv_0_0)] <NO_12.main||4: load INT #2||#1: i35, #2: i36|| -> o30([java.lang.String...]): Object() -->{java.lang.Object...} i35: [0,+inf)(l3) i36: [0,+inf)(l5) YES: (JL1) In the loop head node, references [i36, i35] were interesting. All methods calls in the loop body are side-effect free, hence they can be ignored. By SMT, we could prove
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