Java Bytec 64199 pair #381919195

details

property	value
status	complete
benchmark	Et3.jar
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n055.star.cs.uiowa.edu
space	Julia_12_iterative

run statistics

property	value
solver	AProVE
configuration	standard
runtime (wallclock)	4.80499696732 seconds
cpu usage	14.560113753
max memory	1.344626688E9

stage attributes

key	value
output-size	19240
starexec-result	YES

output

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


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


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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 616 ms]
(4) JBCTerminationGraph
(5) TerminationGraphToSCCProof [SOUND, 5 ms]
(6) AND
    (7) JBCTerminationSCC
        (8) SCCToIRSProof [SOUND, 0 ms]
        (9) IRSwT
        (10) IRSFormatTransformerProof [EQUIVALENT, 0 ms]
        (11) IRSwT
        (12) IRSwTTerminationDigraphProof [EQUIVALENT, 24 ms]
        (13) IRSwT
        (14) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (15) IRSwT
        (16) IRSwTChainingProof [EQUIVALENT, 0 ms]
        (17) IRSwT
        (18) IRSwTTerminationDigraphProof [EQUIVALENT, 0 ms]
        (19) IRSwT
        (20) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (21) IRSwT
        (22) IRSwTChainingProof [EQUIVALENT, 0 ms]
        (23) IRSwT
        (24) IRSwTTerminationDigraphProof [EQUIVALENT, 0 ms]
        (25) IRSwT
        (26) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (27) IRSwT
        (28) TempFilterProof [SOUND, 82 ms]
        (29) IntTRS
        (30) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
        (31) YES
    (32) JBCTerminationSCC
        (33) SCCToIRSProof [SOUND, 0 ms]
        (34) IRSwT
        (35) IRSFormatTransformerProof [EQUIVALENT, 0 ms]
        (36) IRSwT
        (37) IRSwTTerminationDigraphProof [EQUIVALENT, 15 ms]
        (38) IRSwT
        (39) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (40) IRSwT
        (41) IRSwTChainingProof [EQUIVALENT, 0 ms]
        (42) IRSwT
        (43) IRSwTTerminationDigraphProof [EQUIVALENT, 0 ms]
        (44) IRSwT
        (45) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (46) IRSwT
        (47) IRSwTChainingProof [EQUIVALENT, 0 ms]
        (48) IRSwT
        (49) IRSwTTerminationDigraphProof [EQUIVALENT, 0 ms]
        (50) IRSwT
        (51) IntTRSCompressionProof [EQUIVALENT, 0 ms]
        (52) IRSwT
        (53) TempFilterProof [SOUND, 16 ms]
        (54) IntTRS
        (55) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
        (56) YES


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

(0)
Obligation:
need to prove termination of the following program:
public class Et3 {
    public static void main(String[] args) {
		Random.args = args;
	    int a =  Random.random(); 
	   	int b =  Random.random();	
	   	while (a > 0) {
	   	    a = a + b;
	   	    b = b - 1;

	   	}
    }
}

// bin(entry(C,D),[C>=1,A=C+D,B=D-1],entry(A,B))

public class Random {
  static String[] args;
  static int index = 0;

  public static int random() {
      if (index >= args.length)
	  return 0;

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