/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.jar /export/starexec/sandbox/output/output_files


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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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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


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(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;
	    }
    }
}


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(1) BareJBCToJBCProof (EQUIVALENT)
initialized classpath
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(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;
	    }
    }
}


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(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.





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(5) TerminationGraphToSCCProof (SOUND)
Proven termination by absence of SCCs
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(6)
TRUE