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


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


NO
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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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 disproven:

(0) Bare JBC problem
(1) BareJBCToJBCProof [EQUIVALENT, 96 ms]
(2) JBC problem
(3) JBCNonTerm [COMPLETE, 181 ms]
(4) NO


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

(0)
Obligation:
need to prove termination of the following program:
package example_5;

public class Loops2 {
	
	int i;
	
	/**
	 * Same simple arithmetic loop, but now the loop counter
	 * is a numeric field.
	 */
	public void m(int n) {
		while (i < n) {
			i++;
		}
	}
	
}


package example_5;

public class Loops3 extends Loops2 {
	
	/**
	 * A loop involving two numeric fields
	 * which are modified in the body of the loop
	 */
	public void m(int n, Loops3 x) {
		while (i < n) {
			i++;
			x.i--;
		}
		
	}
	
}


package example_5;

public class Test {
	/** 
	 * Execution of the main method does not terminate because in the call to
	 * m, the objects o1 and o2 are aliased and therefore by decrementing x.i we are 
	 * also decrementing this.i in the loop in method m.
	 */
	public static void main(String[] args) {
		Loops3 o1 = new Loops3();
		Loops3 o2 = o1;
		o1.m(10, o2);
	}

}



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

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

(2)
Obligation:
need to prove termination of the following program:
package example_5;

public class Loops2 {
	
	int i;
	
	/**
	 * Same simple arithmetic loop, but now the loop counter
	 * is a numeric field.
	 */
	public void m(int n) {
		while (i < n) {
			i++;
		}
	}
	
}


package example_5;

public class Loops3 extends Loops2 {
	
	/**
	 * A loop involving two numeric fields
	 * which are modified in the body of the loop
	 */
	public void m(int n, Loops3 x) {
		while (i < n) {
			i++;
			x.i--;
		}
		
	}
	
}


package example_5;

public class Test {
	/** 
	 * Execution of the main method does not terminate because in the call to
	 * m, the objects o1 and o2 are aliased and therefore by decrementing x.i we are 
	 * also decrementing this.i in the loop in method m.
	 */
	public static void main(String[] args) {
		Loops3 o1 = new Loops3();
		Loops3 o2 = o1;
		o1.m(10, o2);
	}

}



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

(3) JBCNonTerm (COMPLETE)
Constructed a run with a repetition. States 16 and 33 are repetitions (when considering only the interesting positions []).

0:<example_5.Test.main||0: New example_5.Loops3|| - || ->
YES:  (JL1)
1:<example_5.Test.main||3: DUP|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
2:<example_5.Test.main||4: example_5.Loops3.<init>()V|| - ||o40, o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
3:<example_5.Loops3.<init>||0: load ADDR #0||#0: o40|| ->
<example_5.Test.main||4: example_5.Loops3.<init>|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
4:<example_5.Loops3.<init>||1: example_5.Loops2.<init>()V|| - ||o40>
<example_5.Test.main||4: example_5.Loops3.<init>|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
5:<example_5.Loops2.<init>||0: load ADDR #0||#0: o40|| ->
<example_5.Loops3.<init>||1: example_5.Loops2.<init>|| - || ->
<example_5.Test.main||4: example_5.Loops3.<init>|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
6:<example_5.Loops2.<init>||1: java.lang.Object.<init>()V|| - ||o40>
<example_5.Loops3.<init>||1: example_5.Loops2.<init>|| - || ->
<example_5.Test.main||4: example_5.Loops3.<init>|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
7:<example_5.Loops2.<init>||4: return|| - || ->
<example_5.Loops3.<init>||1: example_5.Loops2.<init>|| - || ->
<example_5.Test.main||4: example_5.Loops3.<init>|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
8:<example_5.Loops3.<init>||4: return|| - || ->
<example_5.Test.main||4: example_5.Loops3.<init>|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
9:<example_5.Test.main||7: store ADDR to #1|| - ||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
10:<example_5.Test.main||8: load ADDR #1||#1: o40|| ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
11:<example_5.Test.main||9: store ADDR to #2||#1: o40||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
12:<example_5.Test.main||10: load ADDR #1||#1: o40, #2: o40|| ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
13:<example_5.Test.main||11: push 10||#2: o40||o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
14:<example_5.Test.main||13: load ADDR #2||#2: o40||o40, 10>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
15:<example_5.Test.main||14: example_5.Loops3.m(ILexample_5/Loops3;)V|| - ||o40, 10, o40>
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
16:<example_5.Loops3.m||0: load ADDR #0||#0: o40, #1: 10, #2: o40|| ->
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
17:<example_5.Loops3.m||1: Read from i||#0: o40, #1: 10, #2: o40||o40>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
18:<example_5.Loops3.m||4: load INT #1||#0: o40, #1: 10, #2: o40||0>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
19:<example_5.Loops3.m||5: GE||#0: o40, #1: 10, #2: o40||0, 10>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
20:<example_5.Loops3.m||8: load ADDR #0||#0: o40, #1: 10, #2: o40|| ->
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
21:<example_5.Loops3.m||9: DUP||#0: o40, #1: 10, #2: o40||o40>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
22:<example_5.Loops3.m||10: Read from i||#0: o40, #1: 10, #2: o40||o40, o40>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
23:<example_5.Loops3.m||13: push 1||#0: o40, #1: 10, #2: o40||o40, 0>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
24:<example_5.Loops3.m||14: ADD||#0: o40, #1: 10, #2: o40||o40, 0, 1>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
25:<example_5.Loops3.m||15: Write to i||#0: o40, #1: 10, #2: o40||o40, 1>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
26:<example_5.Loops3.m||18: load ADDR #2||#0: o40, #1: 10, #2: o40|| ->
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=1) -->{java.lang.Object|}
YES:  (JL1)
27:<example_5.Loops3.m||19: DUP||#0: o40, #1: 10, #2: o40||o40>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=1) -->{java.lang.Object|}
YES:  (JL1)
28:<example_5.Loops3.m||20: Read from i||#0: o40, #1: 10, #2: o40||o40, o40>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=1) -->{java.lang.Object|}
YES:  (JL1)
29:<example_5.Loops3.m||23: push 1||#0: o40, #1: 10, #2: o40||o40, 1>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=1) -->{java.lang.Object|}
YES:  (JL1)
30:<example_5.Loops3.m||24: SUB||#0: o40, #1: 10, #2: o40||o40, 1, 1>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=1) -->{java.lang.Object|}
YES:  (JL1)
31:<example_5.Loops3.m||25: Write to i||#0: o40, #1: 10, #2: o40||o40, 0>
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=1) -->{java.lang.Object|}
YES:  (JL1)
32:<example_5.Loops3.m||28: jmp||#0: o40, #1: 10, #2: o40|| ->
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)
33:<example_5.Loops3.m||0: load ADDR #0||#0: o40, #1: 10, #2: o40|| ->
<example_5.Test.main||14: example_5.Loops3.m|| - || ->
	o40!: Loops2(Loops3(), i=0) -->{java.lang.Object|}
YES:  (JL1)

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

(4)
NO