Java_Bytecode pair #487571595

details

property	value
status	complete
benchmark	Test2.jar
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n080.star.cs.uiowa.edu
space	Julia_10_Iterative

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	5.6720161438 seconds
cpu usage	17.667477901
max memory	8.46544896E8

stage attributes

key	value
output-size	19249
starexec-result	YES

output

/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.jar /export/starexec/sandbox2/output/output_files


--------------------------------------------------------------------------------


YES
proof of /export/starexec/sandbox2/benchmark/theBenchmark.jar
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty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, 453 ms]
(4) JBCTerminationGraph
(5) TerminationGraphToSCCProof [SOUND, 1 ms]
(6) JBCTerminationSCC
(7) SCCToIRSProof [SOUND, 178 ms]
(8) IRSwT
(9) IRSFormatTransformerProof [EQUIVALENT, 0 ms]
(10) IRSwT
(11) IRSwTTerminationDigraphProof [EQUIVALENT, 121 ms]
(12) IRSwT
(13) IntTRSCompressionProof [EQUIVALENT, 0 ms]
(14) IRSwT
(15) TempFilterProof [SOUND, 81 ms]
(16) IntTRS
(17) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
(18) IntTRS
(19) PolynomialOrderProcessor [EQUIVALENT, 5 ms]
(20) IntTRS
(21) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
(22) YES


----------------------------------------

(0)
Obligation:
need to prove termination of the following program:
public class Test2 {
    public static void main(String[] args) {
	iter(args.length, args.length % 5, args.length % 4);
    }

    private static void iter(int x, int y, int z) {
	while (x + y + 3 * z >= 0) {
	    if (x > y)
		x--;
	    else if (y > z) {
		x++;
		y -= 2;
	    }
	    else if (y <= z) {
		x = add(x, 1);
		y = add(y, 1);
		z = z - 1;
	    }
	}
    }

    private static int add(int v, int w) {
	return v + w;
    }
}



----------------------------------------

(1) BareJBCToJBCProof (EQUIVALENT)
initialized classpath
----------------------------------------

(2)
Obligation:
need to prove termination of the following program:
public class Test2 {
    public static void main(String[] args) {
	iter(args.length, args.length % 5, args.length % 4);
    }

    private static void iter(int x, int y, int z) {
	while (x + y + 3 * z >= 0) {
	    if (x > y)
		x--;
	    else if (y > z) {
		x++;
		y -= 2;
	    }
	    else if (y <= z) {
		x = add(x, 1);
		y = add(y, 1);
		z = z - 1;
	    }
	}
    }

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