Termination of the given JBC could be disproven:

(0) Obligation:

JBC Problem based on JBC Program:
Manifest-Version: 1.0 Created-By: 1.6.0_24 (Apple Inc.) Main-Class: Swingers

public class Swingers {
    public static void main(String[] args) {
	int bob = 13;
	int samantha = 17;

	while (bob + samantha < 100) {
	    int temp = bob;
	    bob = samantha;
	    samantha = temp;
	}
    }
}

(1) JBCNonTerm (EQUIVALENT transformation)

Constructed a run with a repetition. States 4 and 28 are repetitions.
0:

<Swingers.main||0: push 13|| - || ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

1:

<Swingers.main||2: store INT to #1|| - ||13>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

2:

<Swingers.main||3: push 17||#1: 13|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

3:

<Swingers.main||5: store INT to #2||#1: 13||17>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

4:

<Swingers.main||6: load INT #1||#1: 13, #2: 17|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

5:

<Swingers.main||7: load INT #2||#1: 13, #2: 17||13>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

6:

<Swingers.main||8: ADD||#1: 13, #2: 17||13, 17>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

7:

<Swingers.main||9: push 100||#1: 13, #2: 17||30>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

8:

<Swingers.main||11: GE||#1: 13, #2: 17||30, 100>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

9:

<Swingers.main||14: load INT #1||#1: 13, #2: 17|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

10:

<Swingers.main||15: store INT to #3||#2: 17||13>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

11:

<Swingers.main||16: load INT #2||#2: 17, #3: 13|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

12:

<Swingers.main||17: store INT to #1||#3: 13||17>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

13:

<Swingers.main||18: load INT #3||#1: 17, #3: 13|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

14:

<Swingers.main||19: store INT to #2||#1: 17||13>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

15:

<Swingers.main||20: jmp||#1: 17, #2: 13|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

16:

<Swingers.main||6: load INT #1||#1: 17, #2: 13|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

17:

<Swingers.main||7: load INT #2||#1: 17, #2: 13||17>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

18:

<Swingers.main||8: ADD||#1: 17, #2: 13||17, 13>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

19:

<Swingers.main||9: push 100||#1: 17, #2: 13||30>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

20:

<Swingers.main||11: GE||#1: 17, #2: 13||30, 100>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

21:

<Swingers.main||14: load INT #1||#1: 17, #2: 13|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

22:

<Swingers.main||15: store INT to #3||#2: 13||17>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

23:

<Swingers.main||16: load INT #2||#2: 13, #3: 17|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

24:

<Swingers.main||17: store INT to #1||#3: 17||13>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

25:

<Swingers.main||18: load INT #3||#1: 13, #3: 17|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

26:

<Swingers.main||19: store INT to #2||#1: 13||17>
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

27:

<Swingers.main||20: jmp||#1: 13, #2: 17|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

28:

<Swingers.main||6: load INT #1||#1: 13, #2: 17|| ->
	String.serialVersionUID: -6849794470754667710L
	String.serialPersistentFields: a16
	String.CASE_INSENSITIVE_ORDER: o9
	String$CaseInsensitiveComparator.serialVersionUID: 8575799808933029326L
	RuntimeException.serialVersionUID: -7034897190745766939L
	Exception.serialVersionUID: -3387516993124229948L
	Throwable.serialVersionUID: -3042686055658047285L
	o9!: String$CaseInsensitiveComparator()
	a16([java.io.ObjectStreamField|]): length 0
	a18([java.lang.String...]): length 0

(2) NO