Termination of the given JBC could be disproven:

0 JBC
↳1 JBCNonTerm (⇔, 319 ms)
↳2 NO

(0) Obligation:

JBC Problem based on JBC Program:
Manifest-Version: 1.0 Created-By: 1.6.0_26 (Sun Microsystems Inc.) Main-Class: simple/ex07/Main 
package simple.ex07;

public class Ex07 {

	public static void loop(int i) {
		while (true) {
			if (i > 0) {
				i--;
			}
			if (i < 0) {
				i++;
			}
		}
	}
}


package simple.ex07;

public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
        int value = args[1].length();
        if (args[0].length() % 2 == 0) {
            value = -value;
        }
		Ex07.loop(value);

	}

}


(1) JBCNonTerm (EQUIVALENT transformation)

Constructed a run with a repetition. States 20 and 24 are repetitions.
0:
<simple.ex07.Main.main||0: load ADDR args||args: a208|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
1:
<simple.ex07.Main.main||1: push 1||args: a208||a208>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
2:
<simple.ex07.Main.main||2: Read ADDR from array||args: a208||a208, 1>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
3:
<simple.ex07.Main.main||3: java.lang.String.length()I||args: a208||o20>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=i20, offset=0, value=a7?)
	i20: #I
a7:: [CHAR]
a14:: [CHAR]
4:
<java.lang.String.length||0: load ADDR this||this: o20|| ->
<simple.ex07.Main.main||3: java.lang.String.length||args: a208||o20>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=i20, offset=0, value=a7?)
	i20: #I
a7:: [CHAR]
a14:: [CHAR]
5:
<java.lang.String.length||1: Read from count|| - ||o20>
<simple.ex07.Main.main||3: java.lang.String.length||args: a208||o20>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=i20, offset=0, value=a7?)
	i20: #I
a7:: [CHAR]
a14:: [CHAR]
6:
<java.lang.String.length||4: return INT|| - ||0>
<simple.ex07.Main.main||3: java.lang.String.length||args: a208||o20>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=i20, offset=0, value=a7?)
	i20: #I
a7:: [CHAR]
a14:: [CHAR]
7:
<simple.ex07.Main.main||6: store INT to value||args: a208||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
8:
<simple.ex07.Main.main||7: load ADDR args||args: a208, value: 0|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
9:
<simple.ex07.Main.main||8: push 0||value: 0||a208>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
10:
<simple.ex07.Main.main||9: Read ADDR from array||value: 0||a208, 0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
11:
<simple.ex07.Main.main||10: java.lang.String.length()I||value: 0||o32>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=i36, offset=0, value=a14?)
	i36: #I
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
12:
<java.lang.String.length||0: load ADDR this||this: o32|| ->
<simple.ex07.Main.main||10: java.lang.String.length||value: 0||o32>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=i36, offset=0, value=a14?)
	i36: #I
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
13:
<java.lang.String.length||1: Read from count|| - ||o32>
<simple.ex07.Main.main||10: java.lang.String.length||value: 0||o32>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=i36, offset=0, value=a14?)
	i36: #I
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
14:
<java.lang.String.length||4: return INT|| - ||1>
<simple.ex07.Main.main||10: java.lang.String.length||value: 0||o32>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=i36, offset=0, value=a14?)
	i36: #I
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
15:
<simple.ex07.Main.main||13: push 2||value: 0||1>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
16:
<simple.ex07.Main.main||14: REM||value: 0||1, 2>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
17:
<simple.ex07.Main.main||15: NE 0||value: 0||1>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
18:
<simple.ex07.Main.main||21: load INT value||value: 0|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
19:
<simple.ex07.Main.main||22: simple.ex07.Ex07.loop(I)V|| - ||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
20:
<simple.ex07.Ex07.loop||0: load INT i||i: 0|| ->
<simple.ex07.Main.main||22: simple.ex07.Ex07.loop|| - ||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
21:
<simple.ex07.Ex07.loop||1: LE 0||i: 0||0>
<simple.ex07.Main.main||22: simple.ex07.Ex07.loop|| - ||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
22:
<simple.ex07.Ex07.loop||7: load INT i||i: 0|| ->
<simple.ex07.Main.main||22: simple.ex07.Ex07.loop|| - ||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
23:
<simple.ex07.Ex07.loop||8: GE 0||i: 0||0>
<simple.ex07.Main.main||22: simple.ex07.Ex07.loop|| - ||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]
24:
<simple.ex07.Ex07.loop||0: load INT i||i: 0|| ->
<simple.ex07.Main.main||22: simple.ex07.Ex07.loop|| - ||0>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a206
	String.CASE_INSENSITIVE_ORDER: o159
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o159!: String$CaseInsensitiveComparator()
	a206([java.io.ObjectStreamField|]): length 0
	o32(java.lang.String...): String(count=1, hash=#I, offset=0, value=a14?)
	a208([java.lang.String...]): {o32, o20}
	o20(java.lang.String...): String(count=0, hash=#I, offset=0, value=a7?)
a7:: [CHAR]
a14:: [CHAR]

(2) NO