(0) Obligation:

JBC Problem based on JBC Program:
Manifest-Version: 1.0 Created-By: 1.6.0_16 (Sun Microsystems Inc.) Main-Class: MinusMin
public class MinusMin{

public static int min (int x, int y) {

if (x < y) return x;
else return y;
}


public static void main(String[] args) {
Random.args = args;
int x = Random.random();
int y = Random.random();
int res = 0;



while (min(x-1,y) == y) {

y++;
res++;

}


}

}


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

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


(1) JBCToGraph (SOUND transformation)

Constructed TerminationGraph.

(2) Obligation:

Termination Graph based on JBC Program:
MinusMin.main([Ljava/lang/String;)V: Graph of 197 nodes with 1 SCC.


(3) TerminationGraphToSCCProof (SOUND transformation)

Splitted TerminationGraph to 1 SCCs.

(4) Obligation:

SCC of termination graph based on JBC Program.
SCC contains nodes from the following methods: MinusMin.main([Ljava/lang/String;)V
SCC calls the following helper methods:
Performed SCC analyses: UsedFieldsAnalysis

(5) SCCToIDPv1Proof (SOUND transformation)

Transformed FIGraph SCCs to IDPs. Log:

Generated 25 rules for P and 0 rules for R.


P rules:
624_0_main_ConstantStackPush(EOS(STATIC_624), i18, i95, i18) → 626_0_main_IntArithmetic(EOS(STATIC_626), i18, i95, i18, 1)
626_0_main_IntArithmetic(EOS(STATIC_626), i18, i95, i18, matching1) → 628_0_main_Load(EOS(STATIC_628), i18, i95, -(i18, 1)) | &&(>=(i18, 0), =(matching1, 1))
628_0_main_Load(EOS(STATIC_628), i18, i95, i102) → 629_0_main_InvokeMethod(EOS(STATIC_629), i18, i95, i102, i95)
629_0_main_InvokeMethod(EOS(STATIC_629), i18, i95, i102, i95) → 631_0_min_Load(EOS(STATIC_631), i18, i95, i102, i95, i102, i95)
631_0_min_Load(EOS(STATIC_631), i18, i95, i102, i95, i102, i95) → 633_0_min_Load(EOS(STATIC_633), i18, i95, i102, i95, i102, i95, i102)
633_0_min_Load(EOS(STATIC_633), i18, i95, i102, i95, i102, i95, i102) → 636_0_min_GE(EOS(STATIC_636), i18, i95, i102, i95, i102, i95, i102, i95)
636_0_min_GE(EOS(STATIC_636), i18, i95, i102, i95, i102, i95, i102, i95) → 638_0_min_GE(EOS(STATIC_638), i18, i95, i102, i95, i102, i95, i102, i95)
636_0_min_GE(EOS(STATIC_636), i18, i95, i102, i95, i102, i95, i102, i95) → 639_0_min_GE(EOS(STATIC_639), i18, i95, i102, i95, i102, i95, i102, i95)
638_0_min_GE(EOS(STATIC_638), i18, i95, i102, i95, i102, i95, i102, i95) → 641_0_min_Load(EOS(STATIC_641), i18, i95, i102, i95, i95) | >=(i102, i95)
641_0_min_Load(EOS(STATIC_641), i18, i95, i102, i95, i95) → 645_0_min_Return(EOS(STATIC_645), i18, i95, i102, i95, i95)
645_0_min_Return(EOS(STATIC_645), i18, i95, i102, i95, i95) → 649_0_main_Load(EOS(STATIC_649), i18, i95, i95)
649_0_main_Load(EOS(STATIC_649), i18, i95, i95) → 655_0_main_NE(EOS(STATIC_655), i18, i95, i95, i95)
655_0_main_NE(EOS(STATIC_655), i18, i95, i95, i95) → 662_0_main_Inc(EOS(STATIC_662), i18, i95)
662_0_main_Inc(EOS(STATIC_662), i18, i95) → 674_0_main_Inc(EOS(STATIC_674), i18, i95)
674_0_main_Inc(EOS(STATIC_674), i18, i95) → 678_0_main_Inc(EOS(STATIC_678), i18, +(i95, 1))
678_0_main_Inc(EOS(STATIC_678), i18, i109) → 679_0_main_JMP(EOS(STATIC_679), i18, i109)
679_0_main_JMP(EOS(STATIC_679), i18, i109) → 692_0_main_Load(EOS(STATIC_692), i18, i109)
692_0_main_Load(EOS(STATIC_692), i18, i109) → 622_0_main_Load(EOS(STATIC_622), i18, i109)
622_0_main_Load(EOS(STATIC_622), i18, i95) → 624_0_main_ConstantStackPush(EOS(STATIC_624), i18, i95, i18)
639_0_min_GE(EOS(STATIC_639), i18, i95, i102, i95, i102, i95, i102, i95) → 643_0_min_Load(EOS(STATIC_643), i18, i95, i102, i95, i102, i95) | <(i102, i95)
643_0_min_Load(EOS(STATIC_643), i18, i95, i102, i95, i102, i95) → 647_0_min_Return(EOS(STATIC_647), i18, i95, i102, i95, i95, i102)
647_0_min_Return(EOS(STATIC_647), i18, i95, i102, i95, i95, i102) → 653_0_main_Load(EOS(STATIC_653), i18, i95, i102)
653_0_main_Load(EOS(STATIC_653), i18, i95, i102) → 660_0_main_NE(EOS(STATIC_660), i18, i95, i102, i95)
660_0_main_NE(EOS(STATIC_660), i18, i95, i95, i95) → 665_0_main_NE(EOS(STATIC_665), i18, i95, i95, i95)
665_0_main_NE(EOS(STATIC_665), i18, i95, i95, i95) → 674_0_main_Inc(EOS(STATIC_674), i18, i95)
R rules:

Combined rules. Obtained 2 conditional rules for P and 0 conditional rules for R.


P rules:
624_0_main_ConstantStackPush(EOS(STATIC_624), x0, x1, x0) → 624_0_main_ConstantStackPush(EOS(STATIC_624), x0, +(x1, 1), x0) | &&(<=(x1, -(x0, 1)), >(+(x0, 1), 0))
624_0_main_ConstantStackPush(EOS(STATIC_624), x0, -(x0, 1), x0) → 624_0_main_ConstantStackPush(EOS(STATIC_624), x0, +(-(x0, 1), 1), x0) | &&(>(+(x0, 1), 0), <(-(x0, 1), -(x0, 1)))
R rules:

Filtered ground terms:



624_0_main_ConstantStackPush(x1, x2, x3, x4) → 624_0_main_ConstantStackPush(x2, x3, x4)
EOS(x1) → EOS
Cond_624_0_main_ConstantStackPush1(x1, x2, x3, x4, x5) → Cond_624_0_main_ConstantStackPush1(x1, x3, x4, x5)
Cond_624_0_main_ConstantStackPush(x1, x2, x3, x4, x5) → Cond_624_0_main_ConstantStackPush(x1, x3, x4, x5)

Filtered duplicate args:



624_0_main_ConstantStackPush(x1, x2, x3) → 624_0_main_ConstantStackPush(x2, x3)
Cond_624_0_main_ConstantStackPush(x1, x2, x3, x4) → Cond_624_0_main_ConstantStackPush(x1, x3, x4)
Cond_624_0_main_ConstantStackPush1(x1, x2, x3, x4) → Cond_624_0_main_ConstantStackPush1(x1, x3)

Combined rules. Obtained 2 conditional rules for P and 0 conditional rules for R.


P rules:
624_0_main_ConstantStackPush(x1, x0) → 624_0_main_ConstantStackPush(+(x1, 1), x0) | &&(<=(x1, -(x0, 1)), >(x0, -1))
624_0_main_ConstantStackPush(x0_-1, x0) → 624_0_main_ConstantStackPush(+(-(x0, 1), 1), x0) | &&(&&(>(x0, -1), <(-(x0, 1), -(x0, 1))), =(x0_-1, -(x0, 1)))
R rules:

Finished conversion. Obtained 4 rules for P and 0 rules for R. System has predefined symbols.


P rules:
624_0_MAIN_CONSTANTSTACKPUSH(x1, x0) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1, -(x0, 1)), >(x0, -1)), x1, x0)
COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1, x0) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1, 1), x0)
624_0_MAIN_CONSTANTSTACKPUSH(x0_-1, x0) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0, -1), <(-(x0, 1), -(x0, 1))), =(x0_-1, -(x0, 1))), x0_-1, x0)
COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1, x0) → 624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0, 1), 1), x0)
R rules:

(6) Obligation:

IDP problem:
The following function symbols are pre-defined:
!=~Neq: (Integer, Integer) -> Boolean
*~Mul: (Integer, Integer) -> Integer
>=~Ge: (Integer, Integer) -> Boolean
-1~UnaryMinus: (Integer) -> Integer
|~Bwor: (Integer, Integer) -> Integer
/~Div: (Integer, Integer) -> Integer
=~Eq: (Integer, Integer) -> Boolean
~Bwxor: (Integer, Integer) -> Integer
||~Lor: (Boolean, Boolean) -> Boolean
!~Lnot: (Boolean) -> Boolean
<~Lt: (Integer, Integer) -> Boolean
-~Sub: (Integer, Integer) -> Integer
<=~Le: (Integer, Integer) -> Boolean
>~Gt: (Integer, Integer) -> Boolean
~~Bwnot: (Integer) -> Integer
%~Mod: (Integer, Integer) -> Integer
&~Bwand: (Integer, Integer) -> Integer
+~Add: (Integer, Integer) -> Integer
&&~Land: (Boolean, Boolean) -> Boolean


The following domains are used:

Boolean, Integer


R is empty.

The integer pair graph contains the following rules and edges:
(0): 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(x1[0] <= x0[0] - 1 && x0[0] > -1, x1[0], x0[0])
(1): COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(x1[1] + 1, x0[1])
(2): 624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2]) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(x0[2] > -1 && x0[2] - 1 < x0[2] - 1 && x0_-1[2] = x0[2] - 1, x0_-1[2], x0[2])
(3): COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3]) → 624_0_MAIN_CONSTANTSTACKPUSH(x0[3] - 1 + 1, x0[3])

(0) -> (1), if (x1[0] <= x0[0] - 1 && x0[0] > -1x1[0]* x1[1]x0[0]* x0[1])


(1) -> (0), if (x1[1] + 1* x1[0]x0[1]* x0[0])


(1) -> (2), if (x1[1] + 1* x0_-1[2]x0[1]* x0[2])


(2) -> (3), if (x0[2] > -1 && x0[2] - 1 < x0[2] - 1 && x0_-1[2] = x0[2] - 1x0_-1[2]* x0_-1[3]x0[2]* x0[3])


(3) -> (0), if (x0[3] - 1 + 1* x1[0]x0[3]* x0[0])


(3) -> (2), if (x0[3] - 1 + 1* x0_-1[2]x0[3]* x0[2])



The set Q is empty.

(7) IDPNonInfProof (SOUND transformation)

Used the following options for this NonInfProof:
IDPGPoloSolver: Range: [(-1,2)] IsNat: false Interpretation Shape Heuristic: aprove.DPFramework.IDPProblem.Processors.nonInf.poly.IdpCand1ShapeHeuristic@3d69084f Constraint Generator: NonInfConstraintGenerator: PathGenerator: MetricPathGenerator: Max Left Steps: 0 Max Right Steps: 0

The constraints were generated the following way:
The DP Problem is simplified using the Induction Calculus [NONINF] with the following steps:
Note that final constraints are written in bold face.


For Pair 624_0_MAIN_CONSTANTSTACKPUSH(x1, x0) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1, -(x0, 1)), >(x0, -1)), x1, x0) the following chains were created:
  • We consider the chain 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0]), COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1]) which results in the following constraint:

    (1)    (&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1))=TRUEx1[0]=x1[1]x0[0]=x0[1]624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥NonInfC∧624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])∧(UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥))



    We simplified constraint (1) using rules (IV), (IDP_BOOLEAN) which results in the following new constraint:

    (2)    (<=(x1[0], -(x0[0], 1))=TRUE>(x0[0], -1)=TRUE624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥NonInfC∧624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])∧(UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥))



    We simplified constraint (2) using rule (POLY_CONSTRAINTS) which results in the following new constraint:

    (3)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)bni_13 + (-1)Bound*bni_13] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)



    We simplified constraint (3) using rule (IDP_POLY_SIMPLIFY) which results in the following new constraint:

    (4)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)bni_13 + (-1)Bound*bni_13] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)



    We simplified constraint (4) using rule (POLY_REMOVE_MIN_MAX) which results in the following new constraint:

    (5)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)bni_13 + (-1)Bound*bni_13] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)



    We simplified constraint (5) using rule (IDP_SMT_SPLIT) which results in the following new constraints:

    (6)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)bni_13 + (-1)Bound*bni_13] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)


    (7)    (x0[0] + [-1] + x1[0] ≥ 0∧x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)bni_13 + (-1)Bound*bni_13] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)



    We simplified constraint (6) using rule (IDP_SMT_SPLIT) which results in the following new constraint:

    (8)    (x0[0] ≥ 0∧[1] + x1[0] + x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)Bound*bni_13] + [bni_13]x1[0] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)







For Pair COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1, x0) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1, 1), x0) the following chains were created:
  • We consider the chain COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1]) which results in the following constraint:

    (9)    (COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1])≥NonInfC∧COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1])≥624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])∧(UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥))



    We simplified constraint (9) using rule (POLY_CONSTRAINTS) which results in the following new constraint:

    (10)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_15] = 0∧[(-1)bso_16] ≥ 0)



    We simplified constraint (10) using rule (IDP_POLY_SIMPLIFY) which results in the following new constraint:

    (11)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_15] = 0∧[(-1)bso_16] ≥ 0)



    We simplified constraint (11) using rule (POLY_REMOVE_MIN_MAX) which results in the following new constraint:

    (12)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_15] = 0∧[(-1)bso_16] ≥ 0)



    We simplified constraint (12) using rule (IDP_UNRESTRICTED_VARS) which results in the following new constraint:

    (13)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_15] = 0∧0 = 0∧0 = 0∧[(-1)bso_16] ≥ 0)







For Pair 624_0_MAIN_CONSTANTSTACKPUSH(x0_-1, x0) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0, -1), <(-(x0, 1), -(x0, 1))), =(x0_-1, -(x0, 1))), x0_-1, x0) the following chains were created:
  • We consider the chain 624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2]) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2]), COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3]) which results in the following constraint:

    (14)    (&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1)))=TRUEx0_-1[2]=x0_-1[3]x0[2]=x0[3]624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2])≥NonInfC∧624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2])≥COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])∧(UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])), ≥))



    We simplified constraint (14) using rules (IV), (IDP_BOOLEAN) which results in the following new constraint:

    (15)    (>(x0[2], -1)=TRUE<(-(x0[2], 1), -(x0[2], 1))=TRUE>=(x0_-1[2], -(x0[2], 1))=TRUE<=(x0_-1[2], -(x0[2], 1))=TRUE624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2])≥NonInfC∧624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2])≥COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])∧(UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])), ≥))



    We simplified constraint (15) using rule (POLY_CONSTRAINTS) which results in the following new constraint:

    (16)    (x0[2] ≥ 0∧[-1] ≥ 0∧x0-1[2] + [1] + [-1]x0[2] ≥ 0∧x0[2] + [-1] + [-1]x0-1[2] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])), ≥)∧[(-1)bni_17 + (-1)Bound*bni_17] + [bni_17]x0[2] ≥ 0∧[-2 + (-1)bso_18] ≥ 0)



    We simplified constraint (16) using rule (IDP_POLY_SIMPLIFY) which results in the following new constraint:

    (17)    (x0[2] ≥ 0∧[-1] ≥ 0∧x0-1[2] + [1] + [-1]x0[2] ≥ 0∧x0[2] + [-1] + [-1]x0-1[2] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])), ≥)∧[(-1)bni_17 + (-1)Bound*bni_17] + [bni_17]x0[2] ≥ 0∧[-2 + (-1)bso_18] ≥ 0)



    We simplified constraint (17) using rule (POLY_REMOVE_MIN_MAX) which results in the following new constraint:

    (18)    (x0[2] ≥ 0∧[-1] ≥ 0∧x0-1[2] + [1] + [-1]x0[2] ≥ 0∧x0[2] + [-1] + [-1]x0-1[2] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])), ≥)∧[(-1)bni_17 + (-1)Bound*bni_17] + [bni_17]x0[2] ≥ 0∧[-2 + (-1)bso_18] ≥ 0)



    We solved constraint (18) using rule (IDP_SMT_SPLIT).




For Pair COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1, x0) → 624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0, 1), 1), x0) the following chains were created:
  • We consider the chain COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3]) which results in the following constraint:

    (19)    (COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3])≥NonInfC∧COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3])≥624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])∧(UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])), ≥))



    We simplified constraint (19) using rule (POLY_CONSTRAINTS) which results in the following new constraint:

    (20)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])), ≥)∧[bni_19] = 0∧[2 + (-1)bso_20] ≥ 0)



    We simplified constraint (20) using rule (IDP_POLY_SIMPLIFY) which results in the following new constraint:

    (21)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])), ≥)∧[bni_19] = 0∧[2 + (-1)bso_20] ≥ 0)



    We simplified constraint (21) using rule (POLY_REMOVE_MIN_MAX) which results in the following new constraint:

    (22)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])), ≥)∧[bni_19] = 0∧[2 + (-1)bso_20] ≥ 0)



    We simplified constraint (22) using rule (IDP_UNRESTRICTED_VARS) which results in the following new constraint:

    (23)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])), ≥)∧[bni_19] = 0∧0 = 0∧0 = 0∧[2 + (-1)bso_20] ≥ 0)







To summarize, we get the following constraints P for the following pairs.
  • 624_0_MAIN_CONSTANTSTACKPUSH(x1, x0) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1, -(x0, 1)), >(x0, -1)), x1, x0)
    • (x0[0] + [-1] + x1[0] ≥ 0∧x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)bni_13 + (-1)Bound*bni_13] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)
    • (x0[0] ≥ 0∧[1] + x1[0] + x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(-1)Bound*bni_13] + [bni_13]x1[0] + [bni_13]x0[0] ≥ 0∧[(-1)bso_14] ≥ 0)

  • COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1, x0) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1, 1), x0)
    • ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_15] = 0∧0 = 0∧0 = 0∧[(-1)bso_16] ≥ 0)

  • 624_0_MAIN_CONSTANTSTACKPUSH(x0_-1, x0) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0, -1), <(-(x0, 1), -(x0, 1))), =(x0_-1, -(x0, 1))), x0_-1, x0)

  • COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1, x0) → 624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0, 1), 1), x0)
    • ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])), ≥)∧[bni_19] = 0∧0 = 0∧0 = 0∧[2 + (-1)bso_20] ≥ 0)




The constraints for P> respective Pbound are constructed from P where we just replace every occurence of "t ≥ s" in P by "t > s" respective "t ≥ c". Here c stands for the fresh constant used for Pbound.
Using the following integer polynomial ordering the resulting constraints can be solved
Polynomial interpretation over integers[POLO]:

POL(TRUE) = 0   
POL(FALSE) = 0   
POL(624_0_MAIN_CONSTANTSTACKPUSH(x1, x2)) = [-1] + x2   
POL(COND_624_0_MAIN_CONSTANTSTACKPUSH(x1, x2, x3)) = [-1] + x3   
POL(&&(x1, x2)) = [-1]   
POL(<=(x1, x2)) = [-1]   
POL(-(x1, x2)) = x1 + [-1]x2   
POL(1) = [1]   
POL(>(x1, x2)) = [-1]   
POL(-1) = [-1]   
POL(+(x1, x2)) = x1 + x2   
POL(COND_624_0_MAIN_CONSTANTSTACKPUSH1(x1, x2, x3)) = [1] + x3   
POL(<(x1, x2)) = [-1]   
POL(=(x1, x2)) = [-1]   

The following pairs are in P>:

624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2]) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])
COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(-(x0[3], 1), 1), x0[3])

The following pairs are in Pbound:

624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])
624_0_MAIN_CONSTANTSTACKPUSH(x0_-1[2], x0[2]) → COND_624_0_MAIN_CONSTANTSTACKPUSH1(&&(&&(>(x0[2], -1), <(-(x0[2], 1), -(x0[2], 1))), =(x0_-1[2], -(x0[2], 1))), x0_-1[2], x0[2])

The following pairs are in P:

624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])
COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])

There are no usable rules.

(8) Complex Obligation (AND)

(9) Obligation:

IDP problem:
The following function symbols are pre-defined:
!=~Neq: (Integer, Integer) -> Boolean
*~Mul: (Integer, Integer) -> Integer
>=~Ge: (Integer, Integer) -> Boolean
-1~UnaryMinus: (Integer) -> Integer
|~Bwor: (Integer, Integer) -> Integer
/~Div: (Integer, Integer) -> Integer
=~Eq: (Integer, Integer) -> Boolean
~Bwxor: (Integer, Integer) -> Integer
||~Lor: (Boolean, Boolean) -> Boolean
!~Lnot: (Boolean) -> Boolean
<~Lt: (Integer, Integer) -> Boolean
-~Sub: (Integer, Integer) -> Integer
<=~Le: (Integer, Integer) -> Boolean
>~Gt: (Integer, Integer) -> Boolean
~~Bwnot: (Integer) -> Integer
%~Mod: (Integer, Integer) -> Integer
&~Bwand: (Integer, Integer) -> Integer
+~Add: (Integer, Integer) -> Integer
&&~Land: (Boolean, Boolean) -> Boolean


The following domains are used:

Boolean, Integer


R is empty.

The integer pair graph contains the following rules and edges:
(0): 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(x1[0] <= x0[0] - 1 && x0[0] > -1, x1[0], x0[0])
(1): COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(x1[1] + 1, x0[1])

(1) -> (0), if (x1[1] + 1* x1[0]x0[1]* x0[0])


(0) -> (1), if (x1[0] <= x0[0] - 1 && x0[0] > -1x1[0]* x1[1]x0[0]* x0[1])



The set Q is empty.

(10) IDPNonInfProof (SOUND transformation)

Used the following options for this NonInfProof:
IDPGPoloSolver: Range: [(-1,2)] IsNat: false Interpretation Shape Heuristic: aprove.DPFramework.IDPProblem.Processors.nonInf.poly.IdpCand1ShapeHeuristic@3d69084f Constraint Generator: NonInfConstraintGenerator: PathGenerator: MetricPathGenerator: Max Left Steps: 0 Max Right Steps: 0

The constraints were generated the following way:
The DP Problem is simplified using the Induction Calculus [NONINF] with the following steps:
Note that final constraints are written in bold face.


For Pair 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0]) the following chains were created:
  • We consider the chain 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0]), COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1]) which results in the following constraint:

    (1)    (&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1))=TRUEx1[0]=x1[1]x0[0]=x0[1]624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥NonInfC∧624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])∧(UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥))



    We simplified constraint (1) using rules (IV), (IDP_BOOLEAN) which results in the following new constraint:

    (2)    (<=(x1[0], -(x0[0], 1))=TRUE>(x0[0], -1)=TRUE624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥NonInfC∧624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0])≥COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])∧(UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥))



    We simplified constraint (2) using rule (POLY_CONSTRAINTS) which results in the following new constraint:

    (3)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] + [(-1)bni_8]x1[0] ≥ 0∧[(-1)bso_9] ≥ 0)



    We simplified constraint (3) using rule (IDP_POLY_SIMPLIFY) which results in the following new constraint:

    (4)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] + [(-1)bni_8]x1[0] ≥ 0∧[(-1)bso_9] ≥ 0)



    We simplified constraint (4) using rule (POLY_REMOVE_MIN_MAX) which results in the following new constraint:

    (5)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] + [(-1)bni_8]x1[0] ≥ 0∧[(-1)bso_9] ≥ 0)



    We simplified constraint (5) using rule (IDP_SMT_SPLIT) which results in the following new constraints:

    (6)    (x0[0] + [-1] + [-1]x1[0] ≥ 0∧x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] + [(-1)bni_8]x1[0] ≥ 0∧[(-1)bso_9] ≥ 0)


    (7)    (x0[0] + [-1] + x1[0] ≥ 0∧x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] + [bni_8]x1[0] ≥ 0∧[(-1)bso_9] ≥ 0)



    We simplified constraint (6) using rule (IDP_SMT_SPLIT) which results in the following new constraint:

    (8)    (x0[0] ≥ 0∧[1] + x1[0] + x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(2)bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] ≥ 0∧[(-1)bso_9] ≥ 0)







For Pair COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1]) the following chains were created:
  • We consider the chain COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1]) which results in the following constraint:

    (9)    (COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1])≥NonInfC∧COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1])≥624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])∧(UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥))



    We simplified constraint (9) using rule (POLY_CONSTRAINTS) which results in the following new constraint:

    (10)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_10] = 0∧[1 + (-1)bso_11] ≥ 0)



    We simplified constraint (10) using rule (IDP_POLY_SIMPLIFY) which results in the following new constraint:

    (11)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_10] = 0∧[1 + (-1)bso_11] ≥ 0)



    We simplified constraint (11) using rule (POLY_REMOVE_MIN_MAX) which results in the following new constraint:

    (12)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_10] = 0∧[1 + (-1)bso_11] ≥ 0)



    We simplified constraint (12) using rule (IDP_UNRESTRICTED_VARS) which results in the following new constraint:

    (13)    ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_10] = 0∧0 = 0∧0 = 0∧[1 + (-1)bso_11] ≥ 0)







To summarize, we get the following constraints P for the following pairs.
  • 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])
    • (x0[0] + [-1] + x1[0] ≥ 0∧x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] + [bni_8]x1[0] ≥ 0∧[(-1)bso_9] ≥ 0)
    • (x0[0] ≥ 0∧[1] + x1[0] + x0[0] ≥ 0∧x1[0] ≥ 0 ⇒ (UIncreasing(COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])), ≥)∧[(2)bni_8 + (-1)Bound*bni_8] + [bni_8]x0[0] ≥ 0∧[(-1)bso_9] ≥ 0)

  • COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])
    • ((UIncreasing(624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])), ≥)∧[bni_10] = 0∧0 = 0∧0 = 0∧[1 + (-1)bso_11] ≥ 0)




The constraints for P> respective Pbound are constructed from P where we just replace every occurence of "t ≥ s" in P by "t > s" respective "t ≥ c". Here c stands for the fresh constant used for Pbound.
Using the following integer polynomial ordering the resulting constraints can be solved
Polynomial interpretation over integers[POLO]:

POL(TRUE) = 0   
POL(FALSE) = 0   
POL(624_0_MAIN_CONSTANTSTACKPUSH(x1, x2)) = [1] + x2 + [-1]x1   
POL(COND_624_0_MAIN_CONSTANTSTACKPUSH(x1, x2, x3)) = [1] + x3 + [-1]x2   
POL(&&(x1, x2)) = [-1]   
POL(<=(x1, x2)) = [-1]   
POL(-(x1, x2)) = x1 + [-1]x2   
POL(1) = [1]   
POL(>(x1, x2)) = [-1]   
POL(-1) = [-1]   
POL(+(x1, x2)) = x1 + x2   

The following pairs are in P>:

COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(+(x1[1], 1), x0[1])

The following pairs are in Pbound:

624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])

The following pairs are in P:

624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(&&(<=(x1[0], -(x0[0], 1)), >(x0[0], -1)), x1[0], x0[0])

There are no usable rules.

(11) Complex Obligation (AND)

(12) Obligation:

IDP problem:
The following function symbols are pre-defined:
!=~Neq: (Integer, Integer) -> Boolean
*~Mul: (Integer, Integer) -> Integer
>=~Ge: (Integer, Integer) -> Boolean
-1~UnaryMinus: (Integer) -> Integer
|~Bwor: (Integer, Integer) -> Integer
/~Div: (Integer, Integer) -> Integer
=~Eq: (Integer, Integer) -> Boolean
~Bwxor: (Integer, Integer) -> Integer
||~Lor: (Boolean, Boolean) -> Boolean
!~Lnot: (Boolean) -> Boolean
<~Lt: (Integer, Integer) -> Boolean
-~Sub: (Integer, Integer) -> Integer
<=~Le: (Integer, Integer) -> Boolean
>~Gt: (Integer, Integer) -> Boolean
~~Bwnot: (Integer) -> Integer
%~Mod: (Integer, Integer) -> Integer
&~Bwand: (Integer, Integer) -> Integer
+~Add: (Integer, Integer) -> Integer
&&~Land: (Boolean, Boolean) -> Boolean


The following domains are used:

Boolean, Integer


R is empty.

The integer pair graph contains the following rules and edges:
(0): 624_0_MAIN_CONSTANTSTACKPUSH(x1[0], x0[0]) → COND_624_0_MAIN_CONSTANTSTACKPUSH(x1[0] <= x0[0] - 1 && x0[0] > -1, x1[0], x0[0])


The set Q is empty.

(13) IDependencyGraphProof (EQUIVALENT transformation)

The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 1 less node.

(14) TRUE

(15) Obligation:

IDP problem:
The following function symbols are pre-defined:
!=~Neq: (Integer, Integer) -> Boolean
*~Mul: (Integer, Integer) -> Integer
>=~Ge: (Integer, Integer) -> Boolean
-1~UnaryMinus: (Integer) -> Integer
|~Bwor: (Integer, Integer) -> Integer
/~Div: (Integer, Integer) -> Integer
=~Eq: (Integer, Integer) -> Boolean
~Bwxor: (Integer, Integer) -> Integer
||~Lor: (Boolean, Boolean) -> Boolean
!~Lnot: (Boolean) -> Boolean
<~Lt: (Integer, Integer) -> Boolean
-~Sub: (Integer, Integer) -> Integer
<=~Le: (Integer, Integer) -> Boolean
>~Gt: (Integer, Integer) -> Boolean
~~Bwnot: (Integer) -> Integer
%~Mod: (Integer, Integer) -> Integer
&~Bwand: (Integer, Integer) -> Integer
+~Add: (Integer, Integer) -> Integer
&&~Land: (Boolean, Boolean) -> Boolean


The following domains are used:

Integer


R is empty.

The integer pair graph contains the following rules and edges:
(1): COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(x1[1] + 1, x0[1])


The set Q is empty.

(16) IDependencyGraphProof (EQUIVALENT transformation)

The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 1 less node.

(17) TRUE

(18) Obligation:

IDP problem:
The following function symbols are pre-defined:
!=~Neq: (Integer, Integer) -> Boolean
*~Mul: (Integer, Integer) -> Integer
>=~Ge: (Integer, Integer) -> Boolean
-1~UnaryMinus: (Integer) -> Integer
|~Bwor: (Integer, Integer) -> Integer
/~Div: (Integer, Integer) -> Integer
=~Eq: (Integer, Integer) -> Boolean
~Bwxor: (Integer, Integer) -> Integer
||~Lor: (Boolean, Boolean) -> Boolean
!~Lnot: (Boolean) -> Boolean
<~Lt: (Integer, Integer) -> Boolean
-~Sub: (Integer, Integer) -> Integer
<=~Le: (Integer, Integer) -> Boolean
>~Gt: (Integer, Integer) -> Boolean
~~Bwnot: (Integer) -> Integer
%~Mod: (Integer, Integer) -> Integer
&~Bwand: (Integer, Integer) -> Integer
+~Add: (Integer, Integer) -> Integer
&&~Land: (Boolean, Boolean) -> Boolean


The following domains are used:

Integer


R is empty.

The integer pair graph contains the following rules and edges:
(1): COND_624_0_MAIN_CONSTANTSTACKPUSH(TRUE, x1[1], x0[1]) → 624_0_MAIN_CONSTANTSTACKPUSH(x1[1] + 1, x0[1])
(3): COND_624_0_MAIN_CONSTANTSTACKPUSH1(TRUE, x0_-1[3], x0[3]) → 624_0_MAIN_CONSTANTSTACKPUSH(x0[3] - 1 + 1, x0[3])


The set Q is empty.

(19) IDependencyGraphProof (EQUIVALENT transformation)

The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 2 less nodes.

(20) TRUE