details

property	value
status	complete
benchmark	NonPeriodicNonterm2.jar
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n113.star.cs.uiowa.edu
space	BSOG_FoVeOOS_11

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	2.47016 seconds
cpu usage	5.96936
user time	5.68008
system time	0.28928
max virtual memory	1.9744192E7
max residence set size	399260.0

stage attributes

key	value
starexec-result	NO

output

5.59/2.39 NO 5.59/2.43 proof of /export/starexec/sandbox/benchmark/theBenchmark.jar 5.59/2.43 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.59/2.43 5.59/2.43 5.59/2.43 termination of the given Bare JBC problem could be disproven: 5.59/2.43 5.59/2.43 (0) Bare JBC problem 5.59/2.43 (1) BareJBCToJBCProof [EQUIVALENT, 96 ms] 5.59/2.43 (2) JBC problem 5.59/2.43 (3) JBCToGraph [EQUIVALENT, 284 ms] 5.59/2.43 (4) JBCTerminationGraph 5.59/2.43 (5) JBCNonTerm [COMPLETE, 125 ms] 5.59/2.43 (6) NO 5.59/2.43 5.59/2.43 5.59/2.43 ---------------------------------------- 5.59/2.43 5.59/2.43 (0) 5.59/2.43 Obligation: 5.59/2.43 need to prove termination of the following program: 5.59/2.43 public class NonPeriodicNonterm2 { 5.59/2.43 public static void main(String[] args) { 5.59/2.43 int x = args[0].length(); 5.59/2.43 int y = args[1].length(); 5.59/2.43 while(x >= y) { 5.59/2.43 int z = x - y; 5.59/2.43 if (z > 0) { 5.59/2.43 x--; 5.59/2.43 } else { 5.59/2.43 x = 2*x + 1; 5.59/2.43 y++; 5.59/2.43 } 5.59/2.43 } 5.59/2.43 } 5.59/2.43 } 5.59/2.43 5.59/2.43 5.59/2.43 5.59/2.43 ---------------------------------------- 5.59/2.43 5.59/2.43 (1) BareJBCToJBCProof (EQUIVALENT) 5.59/2.43 initialized classpath 5.59/2.43 ---------------------------------------- 5.59/2.43 5.59/2.43 (2) 5.59/2.43 Obligation: 5.59/2.43 need to prove termination of the following program: 5.59/2.43 public class NonPeriodicNonterm2 { 5.59/2.43 public static void main(String[] args) { 5.59/2.43 int x = args[0].length(); 5.59/2.43 int y = args[1].length(); 5.59/2.43 while(x >= y) { 5.59/2.43 int z = x - y; 5.59/2.43 if (z > 0) { 5.59/2.43 x--; 5.59/2.43 } else { 5.59/2.43 x = 2*x + 1; 5.59/2.43 y++; 5.59/2.43 } 5.59/2.43 } 5.59/2.43 } 5.59/2.43 } 5.59/2.43 5.59/2.43 5.59/2.43 5.59/2.43 ---------------------------------------- 5.59/2.43 5.59/2.43 (3) JBCToGraph (EQUIVALENT) 5.59/2.43 Constructed TerminationGraph. 5.59/2.43 ---------------------------------------- 5.59/2.43 5.59/2.43 (4) 5.59/2.43 Obligation: 5.59/2.43 Termination Graph based on JBC Program: 5.59/2.43 NonPeriodicNonterm2.main([Ljava/lang/String;)V: Graph of 144 nodes with 1 SCC. 5.59/2.43 5.59/2.43 5.59/2.43 5.59/2.43 5.59/2.43 5.59/2.43 ---------------------------------------- 5.59/2.43 5.59/2.43 (5) JBCNonTerm (COMPLETE) 5.59/2.43 Reached a loop using the following run: 5.59/2.43 5.59/2.43 0:<NonPeriodicNonterm2.main||0: load ADDR args||args: a12|| -> 5.59/2.43 o37!: String(count=0, hash=#, offset=0, value=o38?) -->{java.lang.Object...} 5.59/2.43 a12([java.lang.String...]): {o15, o37} -->{java.lang.Object...} 5.59/2.43 o15!: String(count=1, hash=#, offset=0, value=o16?) -->{java.lang.Object...} 5.59/2.43 o38:: [CHAR] -->{java.lang.Object...} 5.59/2.43 o16:: [CHAR] -->{java.lang.Object...} 5.59/2.43 a12-><-o38 5.59/2.43 a12-><-o37 5.59/2.43 a12-><-o16 5.59/2.43 a12-><-o15 5.59/2.43 YES: (JL1) 5.59/2.43 1:<NonPeriodicNonterm2.main||1: push 0||args: a12||a12> 5.59/2.43 o37!: String(count=0, hash=#, offset=0, value=o38?) -->{java.lang.Object...} 5.59/2.43 a12([java.lang.String...]): {o15, o37} -->{java.lang.Object...} popout

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actions

all output return to Java_Bytecode 2019-04-01 06.50