Left Termination of the query pattern gcd(b,b,f) w.r.t. the given Prolog program could successfully be proven:



PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof

gcd3(X, Y, D) :- le2(X, Y), gcdle3(X, Y, D).
gcd3(X, Y, D) :- gt2(X, Y), gcdle3(Y, X, D).
gcdle3(00, Y, Y).
gcdle3(s1(X), Y, D) :- add3(s1(X), Z, Y), gcd3(s1(X), Z, D).
gt2(s1(X), s1(Y)) :- gt2(X, Y).
gt2(s1(X), 00).
le2(s1(X), s1(Y)) :- le2(X, Y).
le2(00, s1(Y)).
le2(00, 00).
add3(s1(X), Y, s1(Z)) :- add3(X, Y, Z).
add3(00, X, X).


With regard to the inferred argument filtering the predicates were used in the following modes:
gcd3: (b,b,f)
le2: (b,b)
gcd_le3: (b,b,f)
add3: (b,f,b)
gt2: (b,b)
Transforming PROLOG into the following Term Rewriting System:
Pi-finite rewrite system:
The TRS R consists of the following rules:


gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)

Infinitary Constructor Rewriting Termination of PiTRS implies Termination of PROLOG



↳ PROLOG
  ↳ PrologToPiTRSProof
PiTRS
      ↳ DependencyPairsProof
  ↳ PrologToPiTRSProof

Pi-finite rewrite system:
The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)


Pi DP problem:
The TRS P consists of the following rules:

GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> LE_2_IN_GG2(X, Y)
LE_2_IN_GG2(s_11(X), s_11(Y)) -> IF_LE_2_IN_1_GG3(X, Y, le_2_in_gg2(X, Y))
LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> IF_GCD_3_IN_2_GGA4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> ADD_3_IN_GAG3(s_11(X), Z, Y)
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> IF_ADD_3_IN_1_GAG4(X, Y, Z, add_3_in_gag3(X, Y, Z))
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> IF_GCD_LE_3_IN_2_GGA5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> GT_2_IN_GG2(X, Y)
GT_2_IN_GG2(s_11(X), s_11(Y)) -> IF_GT_2_IN_1_GG3(X, Y, gt_2_in_gg2(X, Y))
GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> IF_GCD_3_IN_4_GGA4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)
GT_2_IN_GG2(x1, x2)  =  GT_2_IN_GG2(x1, x2)
IF_GT_2_IN_1_GG3(x1, x2, x3)  =  IF_GT_2_IN_1_GG1(x3)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA2(x1, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
IF_LE_2_IN_1_GG3(x1, x2, x3)  =  IF_LE_2_IN_1_GG1(x3)
IF_GCD_3_IN_2_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_2_GGA1(x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_ADD_3_IN_1_GAG4(x1, x2, x3, x4)  =  IF_ADD_3_IN_1_GAG1(x4)
IF_GCD_3_IN_4_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_4_GGA1(x4)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)
LE_2_IN_GG2(x1, x2)  =  LE_2_IN_GG2(x1, x2)
IF_GCD_LE_3_IN_2_GGA5(x1, x2, x3, x4, x5)  =  IF_GCD_LE_3_IN_2_GGA1(x5)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
PiDP
          ↳ DependencyGraphProof
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> LE_2_IN_GG2(X, Y)
LE_2_IN_GG2(s_11(X), s_11(Y)) -> IF_LE_2_IN_1_GG3(X, Y, le_2_in_gg2(X, Y))
LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> IF_GCD_3_IN_2_GGA4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> ADD_3_IN_GAG3(s_11(X), Z, Y)
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> IF_ADD_3_IN_1_GAG4(X, Y, Z, add_3_in_gag3(X, Y, Z))
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> IF_GCD_LE_3_IN_2_GGA5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> GT_2_IN_GG2(X, Y)
GT_2_IN_GG2(s_11(X), s_11(Y)) -> IF_GT_2_IN_1_GG3(X, Y, gt_2_in_gg2(X, Y))
GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> IF_GCD_3_IN_4_GGA4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)
GT_2_IN_GG2(x1, x2)  =  GT_2_IN_GG2(x1, x2)
IF_GT_2_IN_1_GG3(x1, x2, x3)  =  IF_GT_2_IN_1_GG1(x3)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA2(x1, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
IF_LE_2_IN_1_GG3(x1, x2, x3)  =  IF_LE_2_IN_1_GG1(x3)
IF_GCD_3_IN_2_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_2_GGA1(x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_ADD_3_IN_1_GAG4(x1, x2, x3, x4)  =  IF_ADD_3_IN_1_GAG1(x4)
IF_GCD_3_IN_4_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_4_GGA1(x4)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)
LE_2_IN_GG2(x1, x2)  =  LE_2_IN_GG2(x1, x2)
IF_GCD_LE_3_IN_2_GGA5(x1, x2, x3, x4, x5)  =  IF_GCD_LE_3_IN_2_GGA1(x5)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains
The approximation of the Dependency Graph contains 4 SCCs with 9 less nodes.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
PiDP
                ↳ UsableRulesProof
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)
GT_2_IN_GG2(x1, x2)  =  GT_2_IN_GG2(x1, x2)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)

R is empty.
Pi is empty.
We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPSizeChangeProof
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
  ↳ PrologToPiTRSProof

Q DP problem:
The TRS P consists of the following rules:

GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)

R is empty.
Q is empty.
We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {GT_2_IN_GG2}.
By using the subterm criterion together with the size-change analysis we have proven that there are no infinite chains for this DP problem.

From the DPs we obtained the following set of size-change graphs:



↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
PiDP
                ↳ UsableRulesProof
              ↳ PiDP
              ↳ PiDP
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
              ↳ PiDP
              ↳ PiDP
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)

R is empty.
The argument filtering Pi contains the following mapping:
s_11(x1)  =  s_11(x1)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPSizeChangeProof
              ↳ PiDP
              ↳ PiDP
  ↳ PrologToPiTRSProof

Q DP problem:
The TRS P consists of the following rules:

ADD_3_IN_GAG2(s_11(X), s_11(Z)) -> ADD_3_IN_GAG2(X, Z)

R is empty.
Q is empty.
We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {ADD_3_IN_GAG2}.
By using the subterm criterion together with the size-change analysis we have proven that there are no infinite chains for this DP problem.

From the DPs we obtained the following set of size-change graphs:



↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
PiDP
                ↳ UsableRulesProof
              ↳ PiDP
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)
LE_2_IN_GG2(x1, x2)  =  LE_2_IN_GG2(x1, x2)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
              ↳ PiDP
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)

R is empty.
Pi is empty.
We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPSizeChangeProof
              ↳ PiDP
  ↳ PrologToPiTRSProof

Q DP problem:
The TRS P consists of the following rules:

LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)

R is empty.
Q is empty.
We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {LE_2_IN_GG2}.
By using the subterm criterion together with the size-change analysis we have proven that there are no infinite chains for this DP problem.

From the DPs we obtained the following set of size-change graphs:



↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
PiDP
                ↳ UsableRulesProof
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga1(x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga1(x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga2(x1, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga1(x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga1(x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga1(x3)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA2(x1, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
  ↳ PrologToPiTRSProof

Pi DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)

The argument filtering Pi contains the following mapping:
0_0  =  0_0
s_11(x1)  =  s_11(x1)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg1(x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag1(x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag1(x2)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg1(x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA2(x1, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)

We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
  ↳ PrologToPiTRSProof

Q DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA2(X, add_3_out_gag1(Z)) -> GCD_3_IN_GGA2(s_11(X), Z)
GCD_LE_3_IN_GGA2(s_11(X), Y) -> IF_GCD_LE_3_IN_1_GGA2(X, add_3_in_gag2(s_11(X), Y))
IF_GCD_3_IN_1_GGA3(X, Y, le_2_out_gg) -> GCD_LE_3_IN_GGA2(X, Y)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_3_GGA3(X, Y, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA3(X, Y, gt_2_out_gg) -> GCD_LE_3_IN_GGA2(Y, X)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_1_GGA3(X, Y, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

add_3_in_gag2(s_11(X), s_11(Z)) -> if_add_3_in_1_gag1(add_3_in_gag2(X, Z))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg1(gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg1(le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg
if_add_3_in_1_gag1(add_3_out_gag1(Y)) -> add_3_out_gag1(Y)
if_gt_2_in_1_gg1(gt_2_out_gg) -> gt_2_out_gg
if_le_2_in_1_gg1(le_2_out_gg) -> le_2_out_gg
add_3_in_gag2(0_0, X) -> add_3_out_gag1(X)

The set Q consists of the following terms:

add_3_in_gag2(x0, x1)
gt_2_in_gg2(x0, x1)
le_2_in_gg2(x0, x1)
if_add_3_in_1_gag1(x0)
if_gt_2_in_1_gg1(x0)
if_le_2_in_1_gg1(x0)

We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {GCD_3_IN_GGA2, IF_GCD_LE_3_IN_1_GGA2, GCD_LE_3_IN_GGA2, IF_GCD_3_IN_1_GGA3, IF_GCD_3_IN_3_GGA3}.
With regard to the inferred argument filtering the predicates were used in the following modes:
gcd3: (b,b,f)
le2: (b,b)
gcd_le3: (b,b,f)
add3: (b,f,b)
gt2: (b,b)
Transforming PROLOG into the following Term Rewriting System:
Pi-finite rewrite system:
The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)

Infinitary Constructor Rewriting Termination of PiTRS implies Termination of PROLOG



↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
PiTRS
      ↳ DependencyPairsProof

Pi-finite rewrite system:
The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)


Pi DP problem:
The TRS P consists of the following rules:

GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> LE_2_IN_GG2(X, Y)
LE_2_IN_GG2(s_11(X), s_11(Y)) -> IF_LE_2_IN_1_GG3(X, Y, le_2_in_gg2(X, Y))
LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> IF_GCD_3_IN_2_GGA4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> ADD_3_IN_GAG3(s_11(X), Z, Y)
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> IF_ADD_3_IN_1_GAG4(X, Y, Z, add_3_in_gag3(X, Y, Z))
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> IF_GCD_LE_3_IN_2_GGA5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> GT_2_IN_GG2(X, Y)
GT_2_IN_GG2(s_11(X), s_11(Y)) -> IF_GT_2_IN_1_GG3(X, Y, gt_2_in_gg2(X, Y))
GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> IF_GCD_3_IN_4_GGA4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)
GT_2_IN_GG2(x1, x2)  =  GT_2_IN_GG2(x1, x2)
IF_GT_2_IN_1_GG3(x1, x2, x3)  =  IF_GT_2_IN_1_GG3(x1, x2, x3)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA3(x1, x2, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
IF_LE_2_IN_1_GG3(x1, x2, x3)  =  IF_LE_2_IN_1_GG3(x1, x2, x3)
IF_GCD_3_IN_2_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_2_GGA3(x1, x2, x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_ADD_3_IN_1_GAG4(x1, x2, x3, x4)  =  IF_ADD_3_IN_1_GAG3(x1, x3, x4)
IF_GCD_3_IN_4_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_4_GGA3(x1, x2, x4)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)
LE_2_IN_GG2(x1, x2)  =  LE_2_IN_GG2(x1, x2)
IF_GCD_LE_3_IN_2_GGA5(x1, x2, x3, x4, x5)  =  IF_GCD_LE_3_IN_2_GGA3(x1, x2, x5)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
PiDP
          ↳ DependencyGraphProof

Pi DP problem:
The TRS P consists of the following rules:

GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> LE_2_IN_GG2(X, Y)
LE_2_IN_GG2(s_11(X), s_11(Y)) -> IF_LE_2_IN_1_GG3(X, Y, le_2_in_gg2(X, Y))
LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> IF_GCD_3_IN_2_GGA4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> ADD_3_IN_GAG3(s_11(X), Z, Y)
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> IF_ADD_3_IN_1_GAG4(X, Y, Z, add_3_in_gag3(X, Y, Z))
ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> IF_GCD_LE_3_IN_2_GGA5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
GCD_3_IN_GGA3(X, Y, D) -> GT_2_IN_GG2(X, Y)
GT_2_IN_GG2(s_11(X), s_11(Y)) -> IF_GT_2_IN_1_GG3(X, Y, gt_2_in_gg2(X, Y))
GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> IF_GCD_3_IN_4_GGA4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)
GT_2_IN_GG2(x1, x2)  =  GT_2_IN_GG2(x1, x2)
IF_GT_2_IN_1_GG3(x1, x2, x3)  =  IF_GT_2_IN_1_GG3(x1, x2, x3)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA3(x1, x2, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
IF_LE_2_IN_1_GG3(x1, x2, x3)  =  IF_LE_2_IN_1_GG3(x1, x2, x3)
IF_GCD_3_IN_2_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_2_GGA3(x1, x2, x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_ADD_3_IN_1_GAG4(x1, x2, x3, x4)  =  IF_ADD_3_IN_1_GAG3(x1, x3, x4)
IF_GCD_3_IN_4_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_4_GGA3(x1, x2, x4)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)
LE_2_IN_GG2(x1, x2)  =  LE_2_IN_GG2(x1, x2)
IF_GCD_LE_3_IN_2_GGA5(x1, x2, x3, x4, x5)  =  IF_GCD_LE_3_IN_2_GGA3(x1, x2, x5)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains
The approximation of the Dependency Graph contains 4 SCCs with 9 less nodes.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
PiDP
                ↳ UsableRulesProof
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP

Pi DP problem:
The TRS P consists of the following rules:

GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)
GT_2_IN_GG2(x1, x2)  =  GT_2_IN_GG2(x1, x2)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP

Pi DP problem:
The TRS P consists of the following rules:

GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)

R is empty.
Pi is empty.
We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPSizeChangeProof
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP

Q DP problem:
The TRS P consists of the following rules:

GT_2_IN_GG2(s_11(X), s_11(Y)) -> GT_2_IN_GG2(X, Y)

R is empty.
Q is empty.
We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {GT_2_IN_GG2}.
By using the subterm criterion together with the size-change analysis we have proven that there are no infinite chains for this DP problem.

From the DPs we obtained the following set of size-change graphs:



↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
PiDP
                ↳ UsableRulesProof
              ↳ PiDP
              ↳ PiDP

Pi DP problem:
The TRS P consists of the following rules:

ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
              ↳ PiDP
              ↳ PiDP

Pi DP problem:
The TRS P consists of the following rules:

ADD_3_IN_GAG3(s_11(X), Y, s_11(Z)) -> ADD_3_IN_GAG3(X, Y, Z)

R is empty.
The argument filtering Pi contains the following mapping:
s_11(x1)  =  s_11(x1)
ADD_3_IN_GAG3(x1, x2, x3)  =  ADD_3_IN_GAG2(x1, x3)

We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPSizeChangeProof
              ↳ PiDP
              ↳ PiDP

Q DP problem:
The TRS P consists of the following rules:

ADD_3_IN_GAG2(s_11(X), s_11(Z)) -> ADD_3_IN_GAG2(X, Z)

R is empty.
Q is empty.
We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {ADD_3_IN_GAG2}.
By using the subterm criterion together with the size-change analysis we have proven that there are no infinite chains for this DP problem.

From the DPs we obtained the following set of size-change graphs:



↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
PiDP
                ↳ UsableRulesProof
              ↳ PiDP

Pi DP problem:
The TRS P consists of the following rules:

LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)
LE_2_IN_GG2(x1, x2)  =  LE_2_IN_GG2(x1, x2)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof
              ↳ PiDP

Pi DP problem:
The TRS P consists of the following rules:

LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)

R is empty.
Pi is empty.
We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPSizeChangeProof
              ↳ PiDP

Q DP problem:
The TRS P consists of the following rules:

LE_2_IN_GG2(s_11(X), s_11(Y)) -> LE_2_IN_GG2(X, Y)

R is empty.
Q is empty.
We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {LE_2_IN_GG2}.
By using the subterm criterion together with the size-change analysis we have proven that there are no infinite chains for this DP problem.

From the DPs we obtained the following set of size-change graphs:



↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
PiDP
                ↳ UsableRulesProof

Pi DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_1_gga4(X, Y, D, le_2_in_gg2(X, Y))
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_1_gga4(X, Y, D, le_2_out_gg2(X, Y)) -> if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_in_gga3(X, Y, D))
gcd_le_3_in_gga3(0_0, Y, Y) -> gcd_le_3_out_gga3(0_0, Y, Y)
gcd_le_3_in_gga3(s_11(X), Y, D) -> if_gcd_le_3_in_1_gga4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gcd_le_3_in_1_gga4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_in_gga3(s_11(X), Z, D))
gcd_3_in_gga3(X, Y, D) -> if_gcd_3_in_3_gga4(X, Y, D, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_gcd_3_in_3_gga4(X, Y, D, gt_2_out_gg2(X, Y)) -> if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_in_gga3(Y, X, D))
if_gcd_3_in_4_gga4(X, Y, D, gcd_le_3_out_gga3(Y, X, D)) -> gcd_3_out_gga3(X, Y, D)
if_gcd_le_3_in_2_gga5(X, Y, D, Z, gcd_3_out_gga3(s_11(X), Z, D)) -> gcd_le_3_out_gga3(s_11(X), Y, D)
if_gcd_3_in_2_gga4(X, Y, D, gcd_le_3_out_gga3(X, Y, D)) -> gcd_3_out_gga3(X, Y, D)

The argument filtering Pi contains the following mapping:
gcd_3_in_gga3(x1, x2, x3)  =  gcd_3_in_gga2(x1, x2)
0_0  =  0_0
s_11(x1)  =  s_11(x1)
if_gcd_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_1_gga3(x1, x2, x4)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
if_gcd_3_in_2_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_2_gga3(x1, x2, x4)
gcd_le_3_in_gga3(x1, x2, x3)  =  gcd_le_3_in_gga2(x1, x2)
gcd_le_3_out_gga3(x1, x2, x3)  =  gcd_le_3_out_gga3(x1, x2, x3)
if_gcd_le_3_in_1_gga4(x1, x2, x3, x4)  =  if_gcd_le_3_in_1_gga3(x1, x2, x4)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
if_gcd_le_3_in_2_gga5(x1, x2, x3, x4, x5)  =  if_gcd_le_3_in_2_gga3(x1, x2, x5)
if_gcd_3_in_3_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_3_gga3(x1, x2, x4)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
if_gcd_3_in_4_gga4(x1, x2, x3, x4)  =  if_gcd_3_in_4_gga3(x1, x2, x4)
gcd_3_out_gga3(x1, x2, x3)  =  gcd_3_out_gga3(x1, x2, x3)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA3(x1, x2, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)

We have to consider all (P,R,Pi)-chains
For (infinitary) constructor rewriting we can delete all non-usable rules from R.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
PiDP
                    ↳ PiDPToQDPProof

Pi DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA3(s_11(X), Z, D)
GCD_LE_3_IN_GGA3(s_11(X), Y, D) -> IF_GCD_LE_3_IN_1_GGA4(X, Y, D, add_3_in_gag3(s_11(X), Z, Y))
IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(X, Y, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA4(X, Y, D, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA3(Y, X, D)
GCD_3_IN_GGA3(X, Y, D) -> IF_GCD_3_IN_1_GGA4(X, Y, D, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

add_3_in_gag3(s_11(X), Y, s_11(Z)) -> if_add_3_in_1_gag4(X, Y, Z, add_3_in_gag3(X, Y, Z))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_add_3_in_1_gag4(X, Y, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
add_3_in_gag3(0_0, X, X) -> add_3_out_gag3(0_0, X, X)

The argument filtering Pi contains the following mapping:
0_0  =  0_0
s_11(x1)  =  s_11(x1)
le_2_in_gg2(x1, x2)  =  le_2_in_gg2(x1, x2)
if_le_2_in_1_gg3(x1, x2, x3)  =  if_le_2_in_1_gg3(x1, x2, x3)
le_2_out_gg2(x1, x2)  =  le_2_out_gg2(x1, x2)
add_3_in_gag3(x1, x2, x3)  =  add_3_in_gag2(x1, x3)
if_add_3_in_1_gag4(x1, x2, x3, x4)  =  if_add_3_in_1_gag3(x1, x3, x4)
add_3_out_gag3(x1, x2, x3)  =  add_3_out_gag3(x1, x2, x3)
gt_2_in_gg2(x1, x2)  =  gt_2_in_gg2(x1, x2)
if_gt_2_in_1_gg3(x1, x2, x3)  =  if_gt_2_in_1_gg3(x1, x2, x3)
gt_2_out_gg2(x1, x2)  =  gt_2_out_gg2(x1, x2)
GCD_3_IN_GGA3(x1, x2, x3)  =  GCD_3_IN_GGA2(x1, x2)
IF_GCD_LE_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_LE_3_IN_1_GGA3(x1, x2, x4)
IF_GCD_3_IN_1_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_1_GGA3(x1, x2, x4)
GCD_LE_3_IN_GGA3(x1, x2, x3)  =  GCD_LE_3_IN_GGA2(x1, x2)
IF_GCD_3_IN_3_GGA4(x1, x2, x3, x4)  =  IF_GCD_3_IN_3_GGA3(x1, x2, x4)

We have to consider all (P,R,Pi)-chains
Transforming (infinitary) constructor rewriting Pi-DP problem into ordinary QDP problem by application of Pi.

↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
QDP
                        ↳ QDPPoloProof

Q DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA3(X, Y, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA2(s_11(X), Z)
GCD_LE_3_IN_GGA2(s_11(X), Y) -> IF_GCD_LE_3_IN_1_GGA3(X, Y, add_3_in_gag2(s_11(X), Y))
IF_GCD_3_IN_1_GGA3(X, Y, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA2(X, Y)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_3_GGA3(X, Y, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA3(X, Y, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA2(Y, X)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_1_GGA3(X, Y, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

add_3_in_gag2(s_11(X), s_11(Z)) -> if_add_3_in_1_gag3(X, Z, add_3_in_gag2(X, Z))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_add_3_in_1_gag3(X, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
add_3_in_gag2(0_0, X) -> add_3_out_gag3(0_0, X, X)

The set Q consists of the following terms:

add_3_in_gag2(x0, x1)
gt_2_in_gg2(x0, x1)
le_2_in_gg2(x0, x1)
if_add_3_in_1_gag3(x0, x1, x2)
if_gt_2_in_1_gg3(x0, x1, x2)
if_le_2_in_1_gg3(x0, x1, x2)

We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {GCD_3_IN_GGA2, IF_GCD_LE_3_IN_1_GGA3, GCD_LE_3_IN_GGA2, IF_GCD_3_IN_1_GGA3, IF_GCD_3_IN_3_GGA3}.
By using a polynomial ordering, the following set of Dependency Pairs of this DP problem can be strictly oriented.

GCD_LE_3_IN_GGA2(s_11(X), Y) -> IF_GCD_LE_3_IN_1_GGA3(X, Y, add_3_in_gag2(s_11(X), Y))
The remaining Dependency Pairs were at least non-strictly be oriented.

IF_GCD_LE_3_IN_1_GGA3(X, Y, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA2(s_11(X), Z)
IF_GCD_3_IN_1_GGA3(X, Y, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA2(X, Y)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_3_GGA3(X, Y, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA3(X, Y, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA2(Y, X)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_1_GGA3(X, Y, le_2_in_gg2(X, Y))
With the implicit AFS we had to orient the following set of usable rules non-strictly.

add_3_in_gag2(0_0, X) -> add_3_out_gag3(0_0, X, X)
add_3_in_gag2(s_11(X), s_11(Z)) -> if_add_3_in_1_gag3(X, Z, add_3_in_gag2(X, Z))
if_add_3_in_1_gag3(X, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
Used ordering: POLO with Polynomial interpretation:

POL(add_3_in_gag2(x1, x2)) = x2   
POL(0_0) = 0   
POL(gt_2_in_gg2(x1, x2)) = 0   
POL(add_3_out_gag3(x1, x2, x3)) = x1 + x2   
POL(if_gt_2_in_1_gg3(x1, x2, x3)) = 0   
POL(le_2_out_gg2(x1, x2)) = 0   
POL(if_add_3_in_1_gag3(x1, x2, x3)) = 1 + x3   
POL(IF_GCD_3_IN_3_GGA3(x1, x2, x3)) = x1 + x2   
POL(if_le_2_in_1_gg3(x1, x2, x3)) = 0   
POL(gt_2_out_gg2(x1, x2)) = 0   
POL(IF_GCD_3_IN_1_GGA3(x1, x2, x3)) = x1 + x2   
POL(GCD_LE_3_IN_GGA2(x1, x2)) = x1 + x2   
POL(IF_GCD_LE_3_IN_1_GGA3(x1, x2, x3)) = x3   
POL(le_2_in_gg2(x1, x2)) = 0   
POL(s_11(x1)) = 1 + x1   
POL(GCD_3_IN_GGA2(x1, x2)) = x1 + x2   



↳ PROLOG
  ↳ PrologToPiTRSProof
  ↳ PrologToPiTRSProof
    ↳ PiTRS
      ↳ DependencyPairsProof
        ↳ PiDP
          ↳ DependencyGraphProof
            ↳ AND
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
              ↳ PiDP
                ↳ UsableRulesProof
                  ↳ PiDP
                    ↳ PiDPToQDPProof
                      ↳ QDP
                        ↳ QDPPoloProof
QDP
                            ↳ DependencyGraphProof

Q DP problem:
The TRS P consists of the following rules:

IF_GCD_LE_3_IN_1_GGA3(X, Y, add_3_out_gag3(s_11(X), Z, Y)) -> GCD_3_IN_GGA2(s_11(X), Z)
IF_GCD_3_IN_1_GGA3(X, Y, le_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA2(X, Y)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_3_GGA3(X, Y, gt_2_in_gg2(X, Y))
IF_GCD_3_IN_3_GGA3(X, Y, gt_2_out_gg2(X, Y)) -> GCD_LE_3_IN_GGA2(Y, X)
GCD_3_IN_GGA2(X, Y) -> IF_GCD_3_IN_1_GGA3(X, Y, le_2_in_gg2(X, Y))

The TRS R consists of the following rules:

add_3_in_gag2(s_11(X), s_11(Z)) -> if_add_3_in_1_gag3(X, Z, add_3_in_gag2(X, Z))
gt_2_in_gg2(s_11(X), s_11(Y)) -> if_gt_2_in_1_gg3(X, Y, gt_2_in_gg2(X, Y))
gt_2_in_gg2(s_11(X), 0_0) -> gt_2_out_gg2(s_11(X), 0_0)
le_2_in_gg2(s_11(X), s_11(Y)) -> if_le_2_in_1_gg3(X, Y, le_2_in_gg2(X, Y))
le_2_in_gg2(0_0, s_11(Y)) -> le_2_out_gg2(0_0, s_11(Y))
le_2_in_gg2(0_0, 0_0) -> le_2_out_gg2(0_0, 0_0)
if_add_3_in_1_gag3(X, Z, add_3_out_gag3(X, Y, Z)) -> add_3_out_gag3(s_11(X), Y, s_11(Z))
if_gt_2_in_1_gg3(X, Y, gt_2_out_gg2(X, Y)) -> gt_2_out_gg2(s_11(X), s_11(Y))
if_le_2_in_1_gg3(X, Y, le_2_out_gg2(X, Y)) -> le_2_out_gg2(s_11(X), s_11(Y))
add_3_in_gag2(0_0, X) -> add_3_out_gag3(0_0, X, X)

The set Q consists of the following terms:

add_3_in_gag2(x0, x1)
gt_2_in_gg2(x0, x1)
le_2_in_gg2(x0, x1)
if_add_3_in_1_gag3(x0, x1, x2)
if_gt_2_in_1_gg3(x0, x1, x2)
if_le_2_in_1_gg3(x0, x1, x2)

We have to consider all (P,Q,R)-chains.
The head symbols of this DP problem are {GCD_3_IN_GGA2, IF_GCD_LE_3_IN_1_GGA3, GCD_LE_3_IN_GGA2, IF_GCD_3_IN_1_GGA3, IF_GCD_3_IN_3_GGA3}.
The approximation of the Dependency Graph contains 0 SCCs with 5 less nodes.