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


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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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 322 ms]
(4) JBCTerminationGraph
(5) TerminationGraphToSCCProof [SOUND, 0 ms]
(6) JBCTerminationSCC
(7) SCCToIRSProof [SOUND, 21 ms]
(8) IRSwT
(9) IRSFormatTransformerProof [EQUIVALENT, 0 ms]
(10) IRSwT
(11) IRSwTTerminationDigraphProof [EQUIVALENT, 42 ms]
(12) IRSwT
(13) IntTRSCompressionProof [EQUIVALENT, 0 ms]
(14) IRSwT
(15) TempFilterProof [SOUND, 18 ms]
(16) IntTRS
(17) PolynomialOrderProcessor [EQUIVALENT, 0 ms]
(18) YES


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(0)
Obligation:
need to prove termination of the following program:
/**
 * Example taken from "A Term Rewriting Approach to the Automated Termination
 * Analysis of Imperative Programs" (http://www.cs.unm.edu/~spf/papers/2009-02.pdf)
 * and converted to Java.
 */

public class PastaA6 {
    public static void main(String[] args) {
        Random.args = args;
        int x = Random.random();
        int y = Random.random();
        int z = Random.random();

        while (x > y + z) {
            y++;
            z++;
        }
    }
}


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

  public static int random() {
    String string = args[index];
    index++;
    return string.length();
  }
}



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

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

(2)
Obligation:
need to prove termination of the following program:
/**
 * Example taken from "A Term Rewriting Approach to the Automated Termination
 * Analysis of Imperative Programs" (http://www.cs.unm.edu/~spf/papers/2009-02.pdf)
 * and converted to Java.
 */

public class PastaA6 {
    public static void main(String[] args) {
        Random.args = args;
        int x = Random.random();
        int y = Random.random();
        int z = Random.random();

        while (x > y + z) {
            y++;
            z++;
        }
    }
}


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

  public static int random() {
    String string = args[index];
    index++;
    return string.length();
  }
}



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

(3) JBCToGraph (EQUIVALENT)
Constructed TerminationGraph.
----------------------------------------

(4)
Obligation:
Termination Graph based on JBC Program:
PastaA6.main([Ljava/lang/String;)V: Graph of 244 nodes with 1 SCC.





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(5) TerminationGraphToSCCProof (SOUND)
Splitted TerminationGraph to 1 SCCs.
----------------------------------------

(6)
Obligation:
SCC of termination graph based on JBC Program.
SCC contains nodes from the following methods: PastaA6.main([Ljava/lang/String;)V
SCC calls the following helper methods: 
Performed SCC analyses:
*Used field analysis yielded the following read fields:

*Marker field analysis yielded the following relations that could be markers:

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(7) SCCToIRSProof (SOUND)
Transformed FIGraph SCCs to intTRSs. Log: 
Generated rules. Obtained 10 IRulesP rules:
f422_0_main_Load(EOS(STATIC_422), i19, i48, i72, i19) -> f425_0_main_Load(EOS(STATIC_425), i19, i48, i72, i19, i48) :|: TRUE
f425_0_main_Load(EOS(STATIC_425), i19, i48, i72, i19, i48) -> f427_0_main_IntArithmetic(EOS(STATIC_427), i19, i48, i72, i19, i48, i72) :|: TRUE
f427_0_main_IntArithmetic(EOS(STATIC_427), i19, i48, i72, i19, i48, i72) -> f430_0_main_LE(EOS(STATIC_430), i19, i48, i72, i19, i48 + i72) :|: i48 >= 0 && i72 >= 0
f430_0_main_LE(EOS(STATIC_430), i19, i48, i72, i19, i74) -> f436_0_main_LE(EOS(STATIC_436), i19, i48, i72, i19, i74) :|: i19 > i74
f436_0_main_LE(EOS(STATIC_436), i19, i48, i72, i19, i74) -> f467_0_main_Inc(EOS(STATIC_467), i19, i48, i72) :|: i19 > i74
f467_0_main_Inc(EOS(STATIC_467), i19, i48, i72) -> f471_0_main_Inc(EOS(STATIC_471), i19, i48 + 1, i72) :|: TRUE
f471_0_main_Inc(EOS(STATIC_471), i19, i78, i72) -> f477_0_main_JMP(EOS(STATIC_477), i19, i78, i72 + 1) :|: TRUE
f477_0_main_JMP(EOS(STATIC_477), i19, i78, i79) -> f504_0_main_Load(EOS(STATIC_504), i19, i78, i79) :|: TRUE
f504_0_main_Load(EOS(STATIC_504), i19, i78, i79) -> f419_0_main_Load(EOS(STATIC_419), i19, i78, i79) :|: TRUE
f419_0_main_Load(EOS(STATIC_419), i19, i48, i72) -> f422_0_main_Load(EOS(STATIC_422), i19, i48, i72, i19) :|: TRUE
Combined rules. Obtained 1 IRulesP rules:
f422_0_main_Load(EOS(STATIC_422), i19:0, i48:0, i72:0, i19:0) -> f422_0_main_Load(EOS(STATIC_422), i19:0, i48:0 + 1, i72:0 + 1, i19:0) :|: i72:0 > -1 && i48:0 > -1 && i48:0 + i72:0 < i19:0
Filtered constant ground arguments:
   f422_0_main_Load(x1, x2, x3, x4, x5) -> f422_0_main_Load(x2, x3, x4, x5)
   EOS(x1) -> EOS
Filtered duplicate arguments:
   f422_0_main_Load(x1, x2, x3, x4) -> f422_0_main_Load(x2, x3, x4)
Finished conversion. Obtained 1 rules.P rules:
f422_0_main_Load(i48:0, i72:0, i19:0) -> f422_0_main_Load(i48:0 + 1, i72:0 + 1, i19:0) :|: i48:0 > -1 && i48:0 + i72:0 < i19:0 && i72:0 > -1

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(8)
Obligation:
Rules:
f422_0_main_Load(i48:0, i72:0, i19:0) -> f422_0_main_Load(i48:0 + 1, i72:0 + 1, i19:0) :|: i48:0 > -1 && i48:0 + i72:0 < i19:0 && i72:0 > -1

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

(9) IRSFormatTransformerProof (EQUIVALENT)
Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %).
----------------------------------------

(10)
Obligation:
Rules:
f422_0_main_Load(i48:0, i72:0, i19:0) -> f422_0_main_Load(arith, arith1, i19:0) :|: i48:0 > -1 && i48:0 + i72:0 < i19:0 && i72:0 > -1 && arith = i48:0 + 1 && arith1 = i72:0 + 1

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(11) IRSwTTerminationDigraphProof (EQUIVALENT)
Constructed termination digraph!
Nodes:
(1) f422_0_main_Load(i48:0, i72:0, i19:0) -> f422_0_main_Load(arith, arith1, i19:0) :|: i48:0 > -1 && i48:0 + i72:0 < i19:0 && i72:0 > -1 && arith = i48:0 + 1 && arith1 = i72:0 + 1

Arcs:
(1) -> (1)

This digraph is fully evaluated!
----------------------------------------

(12)
Obligation:

Termination digraph:
Nodes:
(1) f422_0_main_Load(i48:0, i72:0, i19:0) -> f422_0_main_Load(arith, arith1, i19:0) :|: i48:0 > -1 && i48:0 + i72:0 < i19:0 && i72:0 > -1 && arith = i48:0 + 1 && arith1 = i72:0 + 1

Arcs:
(1) -> (1)

This digraph is fully evaluated!

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(13) IntTRSCompressionProof (EQUIVALENT)
Compressed rules.
----------------------------------------

(14)
Obligation:
Rules:
f422_0_main_Load(i48:0:0, i72:0:0, i19:0:0) -> f422_0_main_Load(i48:0:0 + 1, i72:0:0 + 1, i19:0:0) :|: i48:0:0 > -1 && i48:0:0 + i72:0:0 < i19:0:0 && i72:0:0 > -1

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(15) TempFilterProof (SOUND)
Used the following sort dictionary for filtering: 
f422_0_main_Load(INTEGER, INTEGER, INTEGER)
Replaced non-predefined constructor symbols by 0.
----------------------------------------

(16)
Obligation:
Rules:
f422_0_main_Load(i48:0:0, i72:0:0, i19:0:0) -> f422_0_main_Load(c, c1, i19:0:0) :|: c1 = i72:0:0 + 1 && c = i48:0:0 + 1 && (i48:0:0 > -1 && i48:0:0 + i72:0:0 < i19:0:0 && i72:0:0 > -1)

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(17) PolynomialOrderProcessor (EQUIVALENT)
Found the following polynomial interpretation:
[f422_0_main_Load(x, x1, x2)] = -x - x1 + x2

The following rules are decreasing:
f422_0_main_Load(i48:0:0, i72:0:0, i19:0:0) -> f422_0_main_Load(c, c1, i19:0:0) :|: c1 = i72:0:0 + 1 && c = i48:0:0 + 1 && (i48:0:0 > -1 && i48:0:0 + i72:0:0 < i19:0:0 && i72:0:0 > -1)
The following rules are bounded:
f422_0_main_Load(i48:0:0, i72:0:0, i19:0:0) -> f422_0_main_Load(c, c1, i19:0:0) :|: c1 = i72:0:0 + 1 && c = i48:0:0 + 1 && (i48:0:0 > -1 && i48:0:0 + i72:0:0 < i19:0:0 && i72:0:0 > -1)

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

(18)
YES