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Java Bytec 64199 pair #381919472
details
property
value
status
complete
benchmark
alternDivWidening_rec.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_12_recursive
run statistics
property
value
solver
AProVE
configuration
standard
runtime (wallclock)
5.08879995346 seconds
cpu usage
12.915262638
max memory
1.624829952E9
stage attributes
key
value
output-size
5634
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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be disproven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCNonTerm [COMPLETE, 745 ms] (4) NO ---------------------------------------- (0) Obligation: need to prove termination of the following program: public class AlternDivWidening { public static void loop(int i, int w) { if (i != 0) { if (i < -w) loop(-1 * (i - 1), w + 1); else { if (i > w) loop(-1 * (i + 1), w + 1); else loop(0, w + 1); } } } public static void main(String args[]) { loop(args.length, 1); } } ---------------------------------------- (1) BareJBCToJBCProof (EQUIVALENT) initialized classpath ---------------------------------------- (2) Obligation: need to prove termination of the following program: public class AlternDivWidening { public static void loop(int i, int w) { if (i != 0) { if (i < -w) loop(-1 * (i - 1), w + 1); else { if (i > w) loop(-1 * (i + 1), w + 1); else loop(0, w + 1); } } } public static void main(String args[]) { loop(args.length, 1); } } ---------------------------------------- (3) JBCNonTerm (COMPLETE) Reached a loop using the following run: 0:<AlternDivWidening.main||0: load ADDR #0||#0: a2|| -> a2([java.lang.String...]): length 2 -->{java.lang.Object...} YES: (JL1) 1:<AlternDivWidening.main||1: arraylength|| - ||a2> a2([java.lang.String...]): length 2 -->{java.lang.Object...} YES: (JL1) 2:<AlternDivWidening.main||2: push 1|| - ||2> YES: (JL1) 3:<AlternDivWidening.main||3: AlternDivWidening.loop(II)V|| - ||2, 1> YES: (JL1) 4:<AlternDivWidening.loop||0: load INT #0||#0: 2, #1: 1|| -> YES: (JL1) Start state of loop: [i433(lv_0_0), i434(lv_0_1)] <AlternDivWidening.loop||0: load INT #0||#0: i433, #1: i435|| -> i433: # i434: [1,+inf)(l4) i435: [1,+inf)(l4) YES: (JL1) In the loop head node, references [i433, i435, i434] were interesting.
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