Java Bytec 64199 pair #381919231

details

property	value
status	complete
benchmark	Fractale1.jar
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n071.star.cs.uiowa.edu
space	Julia_11_recursive

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	4.40207290649 seconds
cpu usage	8.879602903
max memory	6.41540096E8

stage attributes

key	value
output-size	19065
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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 486 ms]
(4) JBCTerminationGraph
(5) TerminationGraphToSCCProof [SOUND, 0 ms]
(6) JBCTerminationSCC
(7) SCCToIRSProof [SOUND, 124 ms]
(8) IRSwT
(9) IRSFormatTransformerProof [EQUIVALENT, 0 ms]
(10) IRSwT
(11) IRSwTTerminationDigraphProof [EQUIVALENT, 54 ms]
(12) IRSwT
(13) IntTRSCompressionProof [EQUIVALENT, 0 ms]
(14) IRSwT
(15) TempFilterProof [SOUND, 15 ms]
(16) IntTRS
(17) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
(18) YES


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

(0)
Obligation:
need to prove termination of the following program:
public class Fractale1 {
    public static void fractale(int i, Point p1, Point p2) {
	if (i > 0) {
	    int x3 = (p1.x + p1.y + p2.x - p2.y) / 2;
	    int y3 = (p2.x + p2.y + p1.y - p1.x) / 2;
	    Point p3 = new Point(x3, y3);
	    fractale(i-1, p1, p3);
	    fractale(i-1, p3, p2);
	}
    }

    public static void main(String args[]) {
	fractale(args.length, new Point(0, 0), new Point(200, 200));
    }
}

public class Point {
    
    public int x;
    public int y;

    public Point(int x, int y) {
	this.x = x;
	this.y = y;
    }
}


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

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

(2)
Obligation:
need to prove termination of the following program:
public class Fractale1 {
    public static void fractale(int i, Point p1, Point p2) {
	if (i > 0) {
	    int x3 = (p1.x + p1.y + p2.x - p2.y) / 2;
	    int y3 = (p2.x + p2.y + p1.y - p1.x) / 2;
	    Point p3 = new Point(x3, y3);
	    fractale(i-1, p1, p3);
	    fractale(i-1, p3, p2);
	}
    }

    public static void main(String args[]) {
	fractale(args.length, new Point(0, 0), new Point(200, 200));
    }
}

public class Point {
    
    public int x;
    public int y;

    public Point(int x, int y) {
	this.x = x;
	this.y = y;

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