details

property	value
status	complete
benchmark	alternKonv_rec.jar
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n042.star.cs.uiowa.edu
space	Julia_12_recursive

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	2.06611204147 seconds
cpu usage	5.034676317
max memory	3.87710976E8

stage attributes

key	value
output-size	3170
starexec-result	NO

output

/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.jar /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO 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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty termination of the given Bare JBC problem could be disproven: (0) Bare JBC problem (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] (2) JBC problem (3) JBCNonTerm [COMPLETE, 207 ms] (4) NO ---------------------------------------- (0) Obligation: need to prove termination of the following program: public class AlternKonv { public static void loop(int i) { if (i != 0) { if (i < 0) { i += 2; if (i < 0) i *= -1; } else { i -= 2; if (i > 0) i *= -1; } loop(i); } } public static void main(String[] args) { loop(args.length); } } ---------------------------------------- (1) BareJBCToJBCProof (EQUIVALENT) initialized classpath ---------------------------------------- (2) Obligation: need to prove termination of the following program: public class AlternKonv { public static void loop(int i) { if (i != 0) { if (i < 0) { i += 2; if (i < 0) i *= -1; } else { i -= 2; if (i > 0) i *= -1; } loop(i); } } public static void main(String[] args) { loop(args.length); } } ---------------------------------------- (3) JBCNonTerm (COMPLETE) Constructed a run with a repetition. States 3 and 21 are repetitions (when considering only the interesting positions [lv_0_0]). 0:<AlternKonv.main||0: load ADDR #0||#0: a2|| -> a2([java.lang.String...]): length 1 -->{java.lang.Object...} YES: (JL1) 1:<AlternKonv.main||1: arraylength|| - ||a2> a2([java.lang.String...]): length 1 -->{java.lang.Object...} YES: (JL1) 2:<AlternKonv.main||2: AlternKonv.loop(I)V|| - ||1> YES: (JL1) 3:<AlternKonv.loop||0: load INT #0||#0: 1|| -> YES: (JL1) 4:<AlternKonv.loop||1: EQ 0||#0: 1||1> YES: (JL1) 5:<AlternKonv.loop||4: load INT #0||#0: 1|| -> YES: (JL1) 6:<AlternKonv.loop||5: GE 0||#0: 1||1> popout

output may be truncated. 'popout' for the full output.

job log

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actions

all output return to Java Bytec 64199