Java_Bytecode 2019-04-01 06.50 pair #433315782

details

property	value
status	complete
benchmark	AProVEMath.jar
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n059.star.cs.uiowa.edu
space	Aprove_09

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	3.95154 seconds
cpu usage	10.2983
user time	9.7945
system time	0.503761
max virtual memory	2.1046108E7
max residence set size	699796.0

stage attributes

key	value
starexec-result	YES

output

10.16/3.88	YES
10.16/3.88	proof of /export/starexec/sandbox/benchmark/theBenchmark.jar
10.16/3.88	# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty
10.16/3.88	
10.16/3.88	
10.16/3.88	termination of the given Bare JBC problem could be proven:
10.16/3.88	
10.16/3.88	(0) Bare JBC problem
10.16/3.88	(1) BareJBCToJBCProof [EQUIVALENT, 96 ms]
10.16/3.88	(2) JBC problem
10.16/3.88	(3) JBCToGraph [EQUIVALENT, 420 ms]
10.16/3.88	(4) JBCTerminationGraph
10.16/3.88	(5) TerminationGraphToSCCProof [SOUND, 2 ms]
10.16/3.88	(6) JBCTerminationSCC
10.16/3.88	(7) SCCToIRSProof [SOUND, 95 ms]
10.16/3.88	(8) IRSwT
10.16/3.88	(9) IRSFormatTransformerProof [EQUIVALENT, 0 ms]
10.16/3.88	(10) IRSwT
10.16/3.88	(11) IRSwTTerminationDigraphProof [EQUIVALENT, 110 ms]
10.16/3.88	(12) IRSwT
10.16/3.88	(13) IntTRSCompressionProof [EQUIVALENT, 0 ms]
10.16/3.88	(14) IRSwT
10.16/3.88	(15) FilterProof [EQUIVALENT, 0 ms]
10.16/3.88	(16) IntTRS
10.16/3.88	(17) IntTRSCompressionProof [EQUIVALENT, 0 ms]
10.16/3.88	(18) IntTRS
10.16/3.88	(19) PolynomialOrderProcessor [EQUIVALENT, 18 ms]
10.16/3.88	(20) IntTRS
10.16/3.88	(21) TerminationGraphProcessor [EQUIVALENT, 0 ms]
10.16/3.88	(22) YES
10.16/3.88	
10.16/3.88	
10.16/3.88	----------------------------------------
10.16/3.88	
10.16/3.88	(0)
10.16/3.88	Obligation:
10.16/3.88	need to prove termination of the following program:
10.16/3.88	/**
10.16/3.88	 * Abstract class to provide some additional mathematical functions
10.16/3.88	 * which are not provided by java.lang.Math.
10.16/3.88	 *
10.16/3.88	 * @author fuhs
10.16/3.88	 */
10.16/3.88	public abstract class AProVEMath {
10.16/3.88	
10.16/3.88	  /**
10.16/3.88	   * Returns <code>base<sup>exponent</sup></code>.
10.16/3.88	   * Works considerably faster than java.lang.Math.pow(double, double).
10.16/3.88	   *
10.16/3.88	   * @param base base of the power
10.16/3.88	   * @param exponent non-negative exponent of the power
10.16/3.88	   * @return base<sup>exponent</sup>
10.16/3.88	   */
10.16/3.88	  public static int power (int base, int exponent) {
10.16/3.88	    if (exponent == 0) {
10.16/3.88	      return 1;
10.16/3.88	    }
10.16/3.88	    else if (exponent == 1) {
10.16/3.88	      return base;
10.16/3.88	    }
10.16/3.88	    else if (base == 2) {
10.16/3.88	      return base << (exponent-1);
10.16/3.88	    }
10.16/3.88	    else {
10.16/3.88	      int result = 1;
10.16/3.88	      while (exponent > 0) {
10.16/3.88	        if (exponent % 2 == 1) {
10.16/3.88	          result *= base;
10.16/3.88	        }
10.16/3.88	        base *= base;
10.16/3.88	        exponent /= 2;
10.16/3.88	      }
10.16/3.88	      return result;
10.16/3.88	    }
10.16/3.88	  }
10.16/3.88	
10.16/3.88	  public static void main(String[] args) {
10.16/3.88	    Random.args = args;
10.16/3.88	    int x = Random.random();
10.16/3.88	    int y = Random.random();
10.16/3.88	    power(x, y);
10.16/3.88	  }
10.16/3.88	}
10.16/3.88	
10.16/3.88	
10.16/3.88	public class Random {
10.16/3.88	  static String[] args;
10.16/3.89	  static int index = 0;
10.16/3.89	
10.16/3.89	  public static int random() {
10.16/3.89	    String string = args[index];
10.16/3.89	    index++;
10.16/3.89	    return string.length();
10.16/3.89	  }
10.16/3.89	}
10.16/3.89	
10.16/3.89	
10.16/3.89	
10.16/3.89	----------------------------------------
10.16/3.89

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