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FindProof---0.1.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : FindProof---0.1
% Problem  : SWC046+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300

% Computer : n007.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 25 03:05:11 PM UTC 2026

% Result   : Theorem 262.27s 38.53s
% Output   : Proof 262.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   53
%            Number of leaves      :   25
% Syntax   : Number of formulae    :  259 ( 179 unt;   0 def)
%            Number of atoms       :  617 ( 273 equ)
%            Maximal formula atoms :   19 (   2 avg)
%            Number of connectives :  602 ( 244   ~; 207   |;  91   &)
%                                         (   6 <=>;  54  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   22 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :   13 (  11 usr;   1 prp; 0-2 aty)
%            Number of functors    :   31 (  31 usr;   9 con; 0-4 aty)
%            Number of variables   :  277 (   2 sgn 128   !;  29   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f95,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X] :
                  ( ssList(X)
                 => ( ? [Y] :
                        ( ( ( ( ? [Z] :
                                  ( segmentP(X,app(app(cons(Y,nil),Z),cons(Y,nil)))
                                  & ssList(Z) )
                              | ~ memberP(X,Y) )
                            & memberP(W,Y) )
                          | ( memberP(X,Y)
                            & ! [Z] :
                                ( ssList(Z)
                               => ~ segmentP(X,app(app(cons(Y,nil),Z),cons(Y,nil))) )
                            & ~ memberP(W,Y) ) )
                        & ssItem(Y) )
                    | nil = U
                    | U != W
                    | V != X
                    | nil != V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(f95_neg,negated_conjecture,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X] :
                    ( ssList(X)
                   => ( ? [Y] :
                          ( ( ( ( ? [Z] :
                                    ( segmentP(X,app(app(cons(Y,nil),Z),cons(Y,nil)))
                                    & ssList(Z) )
                                | ~ memberP(X,Y) )
                              & memberP(W,Y) )
                            | ( memberP(X,Y)
                              & ! [Z] :
                                  ( ssList(Z)
                                 => ~ segmentP(X,app(app(cons(Y,nil),Z),cons(Y,nil))) )
                              & ~ memberP(W,Y) ) )
                          & ssItem(Y) )
                      | nil = U
                      | U != W
                      | V != X
                      | nil != V ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f95]) ).

fof(f95_nnf,plain,
    ? [U] :
      ( ? [V] :
          ( ? [W] :
              ( ? [X] :
                  ( ! [Y] :
                      ( ( ( ( ! [Z] :
                                ( ~ segmentP(X,app(app(cons(Y,nil),Z),cons(Y,nil)))
                                | ~ ssList(Z) )
                            & memberP(X,Y) )
                          | ~ memberP(W,Y) )
                        & ( ~ memberP(X,Y)
                          | ? [Z] :
                              ( segmentP(X,app(app(cons(Y,nil),Z),cons(Y,nil)))
                              & ssList(Z) )
                          | memberP(W,Y) ) )
                      | ~ ssItem(Y) )
                  & nil != U
                  & U = W
                  & V = X
                  & nil = V
                  & ssList(X) )
              & ssList(W) )
          & ssList(V) )
      & ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f95_neg]) ).

fof(f95_sk,plain,
    ! [Y,Z] :
      ( ( ( ( ( ( ~ segmentP(sk50,app(app(cons(Y,nil),Z),cons(Y,nil)))
                | ~ ssList(Z) )
              & memberP(sk50,Y) )
            | ~ memberP(sk49,Y) )
          & ( ~ memberP(sk50,Y)
            | ( segmentP(sk50,app(app(cons(Y,nil),sk51(Y)),cons(Y,nil)))
              & ssList(sk51(Y)) )
            | memberP(sk49,Y) ) )
        | ~ ssItem(Y) )
      & nil != sk47
      & sk47 = sk49
      & sk48 = sk50
      & nil = sk48
      & ssList(sk50)
      & ssList(sk49)
      & ssList(sk48)
      & ssList(sk47) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk47,sk48,sk49,sk50,sk51])],[f95_nnf]) ).

cnf(c200,plain,
    ( memberP(sk50,X4)
    | ~ memberP(sk49,X4)
    | ~ ssItem(X4) ),
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(t93,plain,
    ifeq(ssItem(X1),true,ifeq(memberP(sk49,X1),true,memberP(sk50,X1),true),true) = true,
    inference(equality_encoding,[status(esa)],[c200]) ).

cnf(t297,plain,
    ifeq(ssItem(X1),true,ifeq(memberP(sk49,X1),true,memberP(sk50,X1),true),true) = true,
    inference(orient,[status(thm)],[t93]) ).

fof(f36,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ! [W] :
              ( ssList(W)
             => ( memberP(cons(V,W),U)
              <=> ( memberP(W,U)
                  | U = V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax37) ).

fof(f36_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( ( ( ( ~ memberP(W,U)
                    & U != V )
                  | memberP(cons(V,W),U) )
                & ( memberP(W,U)
                  | U = V
                  | ~ memberP(cons(V,W),U) ) )
              | ~ ssList(W) )
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f36]) ).

fof(f36_sk,plain,
    ! [U,V,W] :
      ( ( ( ( ~ memberP(W,U)
            & U != V )
          | memberP(cons(V,W),U) )
        & ( memberP(W,U)
          | U = V
          | ~ memberP(cons(V,W),U) ) )
      | ~ ssList(W)
      | ~ ssItem(V)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f36_nnf]) ).

cnf(c111,plain,
    ( X0 != X1
    | memberP(cons(X1,X2),X0)
    | ~ ssList(X2)
    | ~ ssItem(X1)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f36_sk]) ).

cnf(t195,plain,
    ifeq(ssItem(X1),true,ifeq(ssItem(X2),true,ifeq(ssList(X3),true,ifeq(X1,X2,memberP(cons(X2,X3),X1),true),true),true),true) = true,
    inference(equality_encoding,[status(esa)],[c111]) ).

cnf(t326,plain,
    ifeq(ssItem(X1),true,ifeq(ssItem(X2),true,ifeq(ssList(X3),true,ifeq(X1,X2,memberP(cons(X2,X3),X1),true),true),true),true) = true,
    inference(orient,[status(thm)],[t195]) ).

cnf(t56,plain,
    ifeq(X1,X1,X2,X3) = X2,
    introduced(definition) ).

cnf(t256,plain,
    ifeq(X1,X1,X2,X3) = X2,
    inference(orient,[status(thm)],[t56]) ).

cnf(t327,plain,
    true = ifeq(ssItem(X1),true,ifeq(ssItem(X1),true,ifeq(ssList(X2),true,memberP(cons(X1,X2),X1),true),true),true),
    inference(cp,[status(thm)],[t326,t256]) ).

cnf(t24416,plain,
    ifeq(ssItem(X1),true,ifeq(ssItem(X1),true,ifeq(ssList(X2),true,memberP(cons(X1,X2),X1),true),true),true) = true,
    inference(orient,[status(thm)],[t327]) ).

cnf(t62,plain,
    ifeq(eq(X1,X2),true,X1,X2) = X2,
    introduced(definition) ).

cnf(t257,plain,
    ifeq(eq(X1,X2),true,X1,X2) = X2,
    inference(orient,[status(thm)],[t62]) ).

fof(f19,axiom,
    ! [U] :
      ( ssList(U)
     => ( ? [V] :
            ( ? [W] :
                ( cons(W,V) = U
                & ssItem(W) )
            & ssList(V) )
        | nil = U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax20) ).

fof(f19_nnf,plain,
    ! [U] :
      ( ? [V] :
          ( ? [W] :
              ( cons(W,V) = U
              & ssItem(W) )
          & ssList(V) )
      | nil = U
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f19]) ).

fof(f19_sk,plain,
    ! [U] :
      ( ( cons(sk44(U),sk43(U)) = U
        & ssItem(sk44(U))
        & ssList(sk43(U)) )
      | nil = U
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk43,sk44])],[f19_nnf]) ).

cnf(c89,plain,
    ( cons(sk44(X0),sk43(X0)) = X0
    | nil = X0
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f19_sk]) ).

cnf(t151,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(cons(sk44(X1),sk43(X1)),X1)),true) = true,
    inference(equality_encoding,[status(esa)],[c89]) ).

cnf(t432,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(cons(sk44(X1),sk43(X1)),X1)),true) = true,
    inference(orient,[status(thm)],[t151]) ).

cnf(c194,plain,
    nil = sk48,
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(t0,plain,
    sk48 = nil,
    inference(equality_encoding,[status(esa)],[c194]) ).

cnf(t641,plain,
    nil = sk48,
    inference(orient,[status(thm)],[t0]) ).

cnf(t390273,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(cons(sk44(X1),sk43(X1)),X1)),true) = true,
    inference(step,[status(thm)],[t432,t641]) ).

cnf(t680,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(cons(sk44(X1),sk43(X1)),X1)),true) = true,
    inference(rw,[status(thm)],[t390273]) ).

cnf(c195,plain,
    sk48 = sk50,
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(t2,plain,
    sk50 = sk48,
    inference(equality_encoding,[status(esa)],[c195]) ).

cnf(t981,plain,
    sk48 = sk50,
    inference(orient,[status(thm)],[t2]) ).

cnf(t397651,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(cons(sk44(X1),sk43(X1)),X1)),true) = true,
    inference(step,[status(thm)],[t680,t981]) ).

cnf(t362963,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(cons(sk44(X1),sk43(X1)),X1)),true) = true,
    inference(orient,[status(thm)],[t397651]) ).

cnf(c190,plain,
    ssList(sk47),
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(t12,plain,
    ssList(sk47) = true,
    inference(equality_encoding,[status(esa)],[c190]) ).

cnf(c196,plain,
    sk47 = sk49,
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(t1,plain,
    sk49 = sk47,
    inference(equality_encoding,[status(esa)],[c196]) ).

cnf(t1009,plain,
    sk47 = sk49,
    inference(orient,[status(thm)],[t1]) ).

cnf(t390370,plain,
    ssList(sk49) = true,
    inference(step,[status(thm)],[t12,t1009]) ).

cnf(t1634,plain,
    ssList(sk49) = true,
    inference(orient,[status(thm)],[t390370]) ).

cnf(t363960,plain,
    true = ifeq(true,true,or(eq(sk50,sk49),eq(cons(sk44(sk49),sk43(sk49)),sk49)),true),
    inference(cp,[status(thm)],[t362963,t1634]) ).

cnf(t397917,plain,
    true = or(eq(sk50,sk49),eq(cons(sk44(sk49),sk43(sk49)),sk49)),
    inference(step,[status(thm)],[t363960,t256]) ).

cnf(c197,plain,
    nil != sk47,
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(t24,plain,
    eq(nil,sk47) = false,
    inference(equality_encoding,[status(esa)],[c197]) ).

cnf(t518,plain,
    eq(nil,sk47) = false,
    inference(orient,[status(thm)],[t24]) ).

cnf(t390227,plain,
    eq(sk48,sk47) = false,
    inference(step,[status(thm)],[t518,t641]) ).

cnf(t644,plain,
    eq(sk48,sk47) = false,
    inference(rw,[status(thm)],[t390227]) ).

cnf(t390375,plain,
    eq(sk50,sk47) = false,
    inference(step,[status(thm)],[t644,t981]) ).

cnf(t390376,plain,
    eq(sk50,sk49) = false,
    inference(step,[status(thm)],[t390375,t1009]) ).

cnf(t2179,plain,
    eq(sk50,sk49) = false,
    inference(orient,[status(thm)],[t390376]) ).

cnf(t397918,plain,
    true = or(false,eq(cons(sk44(sk49),sk43(sk49)),sk49)),
    inference(step,[status(thm)],[t397917,t2179]) ).

cnf(t34,plain,
    or(false,X1) = X1,
    introduced(definition) ).

cnf(t289,plain,
    or(false,X1) = X1,
    inference(orient,[status(thm)],[t34]) ).

cnf(t397919,plain,
    true = eq(cons(sk44(sk49),sk43(sk49)),sk49),
    inference(step,[status(thm)],[t397918,t289]) ).

cnf(t387023,plain,
    eq(cons(sk44(sk49),sk43(sk49)),sk49) = true,
    inference(orient,[status(thm)],[t397919]) ).

cnf(t387024,plain,
    sk49 = ifeq(true,true,cons(sk44(sk49),sk43(sk49)),sk49),
    inference(cp,[status(thm)],[t257,t387023]) ).

cnf(t397920,plain,
    sk49 = cons(sk44(sk49),sk43(sk49)),
    inference(step,[status(thm)],[t387024,t256]) ).

cnf(t387033,plain,
    cons(sk44(sk49),sk43(sk49)) = sk49,
    inference(orient,[status(thm)],[t397920]) ).

fof(f22,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => hd(cons(V,U)) = V ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax23) ).

fof(f22_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( hd(cons(V,U)) = V
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f22]) ).

fof(f22_sk,plain,
    ! [U,V] :
      ( hd(cons(V,U)) = V
      | ~ ssItem(V)
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa)],[f22_nnf]) ).

cnf(c92,plain,
    ( hd(cons(X1,X0)) = X1
    | ~ ssItem(X1)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f22_sk]) ).

cnf(t95,plain,
    ifeq(ssList(X1),true,ifeq(ssItem(X2),true,hd(cons(X2,X1)),X2),X2) = X2,
    inference(equality_encoding,[status(esa)],[c92]) ).

cnf(t263,plain,
    ifeq(ssList(X1),true,ifeq(ssItem(X2),true,hd(cons(X2,X1)),X2),X2) = X2,
    inference(orient,[status(thm)],[t95]) ).

cnf(t387034,plain,
    sk44(sk49) = ifeq(ssList(sk43(sk49)),true,ifeq(ssItem(sk44(sk49)),true,hd(sk49),sk44(sk49)),sk44(sk49)),
    inference(cp,[status(thm)],[t263,t387033]) ).

cnf(c87,plain,
    ( ssList(sk43(X0))
    | nil = X0
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f19_sk]) ).

cnf(t103,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssList(sk43(X1)),true)),true) = true,
    inference(equality_encoding,[status(esa)],[c87]) ).

cnf(t437,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssList(sk43(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t103]) ).

cnf(t390269,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssList(sk43(X1)),true)),true) = true,
    inference(step,[status(thm)],[t437,t641]) ).

cnf(t676,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssList(sk43(X1)),true)),true) = true,
    inference(rw,[status(thm)],[t390269]) ).

cnf(t397270,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssList(sk43(X1)),true)),true) = true,
    inference(step,[status(thm)],[t676,t981]) ).

cnf(t335033,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssList(sk43(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t397270]) ).

cnf(t335954,plain,
    true = ifeq(true,true,or(eq(sk50,sk49),eq(ssList(sk43(sk49)),true)),true),
    inference(cp,[status(thm)],[t335033,t1634]) ).

cnf(t397271,plain,
    true = or(eq(sk50,sk49),eq(ssList(sk43(sk49)),true)),
    inference(step,[status(thm)],[t335954,t256]) ).

cnf(t397272,plain,
    true = or(false,eq(ssList(sk43(sk49)),true)),
    inference(step,[status(thm)],[t397271,t2179]) ).

cnf(t397273,plain,
    true = eq(ssList(sk43(sk49)),true),
    inference(step,[status(thm)],[t397272,t289]) ).

cnf(t335957,plain,
    eq(ssList(sk43(sk49)),true) = true,
    inference(orient,[status(thm)],[t397273]) ).

cnf(t335958,plain,
    true = ifeq(true,true,ssList(sk43(sk49)),true),
    inference(cp,[status(thm)],[t257,t335957]) ).

cnf(t397274,plain,
    true = ssList(sk43(sk49)),
    inference(step,[status(thm)],[t335958,t256]) ).

cnf(t335967,plain,
    ssList(sk43(sk49)) = true,
    inference(orient,[status(thm)],[t397274]) ).

cnf(t397921,plain,
    sk44(sk49) = ifeq(true,true,ifeq(ssItem(sk44(sk49)),true,hd(sk49),sk44(sk49)),sk44(sk49)),
    inference(step,[status(thm)],[t387034,t335967]) ).

cnf(t397922,plain,
    sk44(sk49) = ifeq(ssItem(sk44(sk49)),true,hd(sk49),sk44(sk49)),
    inference(step,[status(thm)],[t397921,t256]) ).

cnf(c88,plain,
    ( ssItem(sk44(X0))
    | nil = X0
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f19_sk]) ).

cnf(t101,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssItem(sk44(X1)),true)),true) = true,
    inference(equality_encoding,[status(esa)],[c88]) ).

cnf(t435,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssItem(sk44(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t101]) ).

cnf(t390271,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssItem(sk44(X1)),true)),true) = true,
    inference(step,[status(thm)],[t435,t641]) ).

cnf(t678,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssItem(sk44(X1)),true)),true) = true,
    inference(rw,[status(thm)],[t390271]) ).

cnf(t397432,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssItem(sk44(X1)),true)),true) = true,
    inference(step,[status(thm)],[t678,t981]) ).

cnf(t343976,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssItem(sk44(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t397432]) ).

cnf(t344916,plain,
    true = ifeq(true,true,or(eq(sk50,sk49),eq(ssItem(sk44(sk49)),true)),true),
    inference(cp,[status(thm)],[t343976,t1634]) ).

cnf(t397433,plain,
    true = or(eq(sk50,sk49),eq(ssItem(sk44(sk49)),true)),
    inference(step,[status(thm)],[t344916,t256]) ).

cnf(t397434,plain,
    true = or(false,eq(ssItem(sk44(sk49)),true)),
    inference(step,[status(thm)],[t397433,t2179]) ).

cnf(t397435,plain,
    true = eq(ssItem(sk44(sk49)),true),
    inference(step,[status(thm)],[t397434,t289]) ).

cnf(t344919,plain,
    eq(ssItem(sk44(sk49)),true) = true,
    inference(orient,[status(thm)],[t397435]) ).

cnf(t344920,plain,
    true = ifeq(true,true,ssItem(sk44(sk49)),true),
    inference(cp,[status(thm)],[t257,t344919]) ).

cnf(t397436,plain,
    true = ssItem(sk44(sk49)),
    inference(step,[status(thm)],[t344920,t256]) ).

cnf(t344929,plain,
    ssItem(sk44(sk49)) = true,
    inference(orient,[status(thm)],[t397436]) ).

cnf(t397923,plain,
    sk44(sk49) = ifeq(true,true,hd(sk49),sk44(sk49)),
    inference(step,[status(thm)],[t397922,t344929]) ).

cnf(t397924,plain,
    sk44(sk49) = hd(sk49),
    inference(step,[status(thm)],[t397923,t256]) ).

fof(f74,axiom,
    ! [U] :
      ( ssList(U)
     => ( nil != U
       => ? [V] :
            ( hd(U) = V
            & ssItem(V) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax75) ).

fof(f74_nnf,plain,
    ! [U] :
      ( ? [V] :
          ( hd(U) = V
          & ssItem(V) )
      | nil = U
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f74]) ).

fof(f74_sk,plain,
    ! [U] :
      ( ( hd(U) = sk45(U)
        & ssItem(sk45(U)) )
      | nil = U
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk45])],[f74_nnf]) ).

cnf(c164,plain,
    ( hd(X0) = sk45(X0)
    | nil = X0
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f74_sk]) ).

cnf(t99,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(hd(X1),sk45(X1))),true) = true,
    inference(equality_encoding,[status(esa)],[c164]) ).

cnf(t433,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(hd(X1),sk45(X1))),true) = true,
    inference(orient,[status(thm)],[t99]) ).

cnf(t390256,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(hd(X1),sk45(X1))),true) = true,
    inference(step,[status(thm)],[t433,t641]) ).

cnf(t667,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(hd(X1),sk45(X1))),true) = true,
    inference(rw,[status(thm)],[t390256]) ).

cnf(t396685,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(hd(X1),sk45(X1))),true) = true,
    inference(step,[status(thm)],[t667,t981]) ).

cnf(t307569,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(hd(X1),sk45(X1))),true) = true,
    inference(orient,[status(thm)],[t396685]) ).

cnf(t308449,plain,
    true = ifeq(true,true,or(eq(sk50,sk49),eq(hd(sk49),sk45(sk49))),true),
    inference(cp,[status(thm)],[t307569,t1634]) ).

cnf(t396686,plain,
    true = or(eq(sk50,sk49),eq(hd(sk49),sk45(sk49))),
    inference(step,[status(thm)],[t308449,t256]) ).

cnf(t396687,plain,
    true = or(false,eq(hd(sk49),sk45(sk49))),
    inference(step,[status(thm)],[t396686,t2179]) ).

cnf(t396688,plain,
    true = eq(hd(sk49),sk45(sk49)),
    inference(step,[status(thm)],[t396687,t289]) ).

cnf(t308640,plain,
    eq(hd(sk49),sk45(sk49)) = true,
    inference(orient,[status(thm)],[t396688]) ).

cnf(t308641,plain,
    sk45(sk49) = ifeq(true,true,hd(sk49),sk45(sk49)),
    inference(cp,[status(thm)],[t257,t308640]) ).

cnf(t396689,plain,
    sk45(sk49) = hd(sk49),
    inference(step,[status(thm)],[t308641,t256]) ).

cnf(t308650,plain,
    hd(sk49) = sk45(sk49),
    inference(orient,[status(thm)],[t396689]) ).

cnf(t397925,plain,
    sk44(sk49) = sk45(sk49),
    inference(step,[status(thm)],[t397924,t308650]) ).

cnf(t387107,plain,
    sk44(sk49) = sk45(sk49),
    inference(orient,[status(thm)],[t397925]) ).

cnf(t397926,plain,
    cons(sk45(sk49),sk43(sk49)) = sk49,
    inference(step,[status(thm)],[t387033,t387107]) ).

cnf(t387109,plain,
    cons(sk45(sk49),sk43(sk49)) = sk49,
    inference(rw,[status(thm)],[t397926]) ).

cnf(t387110,plain,
    cons(sk45(sk49),sk43(sk49)) = sk49,
    inference(orient,[status(thm)],[t387109]) ).

fof(f24,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => tl(cons(V,U)) = U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax25) ).

fof(f24_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( tl(cons(V,U)) = U
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f24]) ).

fof(f24_sk,plain,
    ! [U,V] :
      ( tl(cons(V,U)) = U
      | ~ ssItem(V)
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa)],[f24_nnf]) ).

cnf(c94,plain,
    ( tl(cons(X1,X0)) = X0
    | ~ ssItem(X1)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f24_sk]) ).

cnf(t97,plain,
    ifeq(ssList(X1),true,ifeq(ssItem(X2),true,tl(cons(X2,X1)),X1),X1) = X1,
    inference(equality_encoding,[status(esa)],[c94]) ).

cnf(t275,plain,
    ifeq(ssList(X1),true,ifeq(ssItem(X2),true,tl(cons(X2,X1)),X1),X1) = X1,
    inference(orient,[status(thm)],[t97]) ).

cnf(t387113,plain,
    sk43(sk49) = ifeq(ssList(sk43(sk49)),true,ifeq(ssItem(sk45(sk49)),true,tl(sk49),sk43(sk49)),sk43(sk49)),
    inference(cp,[status(thm)],[t275,t387110]) ).

cnf(t397930,plain,
    sk43(sk49) = ifeq(true,true,ifeq(ssItem(sk45(sk49)),true,tl(sk49),sk43(sk49)),sk43(sk49)),
    inference(step,[status(thm)],[t387113,t335967]) ).

cnf(t397931,plain,
    sk43(sk49) = ifeq(ssItem(sk45(sk49)),true,tl(sk49),sk43(sk49)),
    inference(step,[status(thm)],[t397930,t256]) ).

cnf(c163,plain,
    ( ssItem(sk45(X0))
    | nil = X0
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f74_sk]) ).

cnf(t102,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssItem(sk45(X1)),true)),true) = true,
    inference(equality_encoding,[status(esa)],[c163]) ).

cnf(t436,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssItem(sk45(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t102]) ).

cnf(t390270,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssItem(sk45(X1)),true)),true) = true,
    inference(step,[status(thm)],[t436,t641]) ).

cnf(t677,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssItem(sk45(X1)),true)),true) = true,
    inference(rw,[status(thm)],[t390270]) ).

cnf(t397367,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssItem(sk45(X1)),true)),true) = true,
    inference(step,[status(thm)],[t677,t981]) ).

cnf(t340169,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssItem(sk45(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t397367]) ).

cnf(t341103,plain,
    true = ifeq(true,true,or(eq(sk50,sk49),eq(ssItem(sk45(sk49)),true)),true),
    inference(cp,[status(thm)],[t340169,t1634]) ).

cnf(t397368,plain,
    true = or(eq(sk50,sk49),eq(ssItem(sk45(sk49)),true)),
    inference(step,[status(thm)],[t341103,t256]) ).

cnf(t397369,plain,
    true = or(false,eq(ssItem(sk45(sk49)),true)),
    inference(step,[status(thm)],[t397368,t2179]) ).

cnf(t397370,plain,
    true = eq(ssItem(sk45(sk49)),true),
    inference(step,[status(thm)],[t397369,t289]) ).

cnf(t341106,plain,
    eq(ssItem(sk45(sk49)),true) = true,
    inference(orient,[status(thm)],[t397370]) ).

cnf(t341107,plain,
    true = ifeq(true,true,ssItem(sk45(sk49)),true),
    inference(cp,[status(thm)],[t257,t341106]) ).

cnf(t397371,plain,
    true = ssItem(sk45(sk49)),
    inference(step,[status(thm)],[t341107,t256]) ).

cnf(t341116,plain,
    ssItem(sk45(sk49)) = true,
    inference(orient,[status(thm)],[t397371]) ).

cnf(t397932,plain,
    sk43(sk49) = ifeq(true,true,tl(sk49),sk43(sk49)),
    inference(step,[status(thm)],[t397931,t341116]) ).

cnf(t397933,plain,
    sk43(sk49) = tl(sk49),
    inference(step,[status(thm)],[t397932,t256]) ).

cnf(t390078,plain,
    sk43(sk49) = tl(sk49),
    inference(orient,[status(thm)],[t397933]) ).

cnf(t397934,plain,
    cons(sk45(sk49),tl(sk49)) = sk49,
    inference(step,[status(thm)],[t387110,t390078]) ).

cnf(t390080,plain,
    cons(sk45(sk49),tl(sk49)) = sk49,
    inference(rw,[status(thm)],[t397934]) ).

cnf(t390081,plain,
    cons(sk45(sk49),tl(sk49)) = sk49,
    inference(orient,[status(thm)],[t390080]) ).

cnf(t390084,plain,
    true = ifeq(ssItem(sk45(sk49)),true,ifeq(ssItem(sk45(sk49)),true,ifeq(ssList(tl(sk49)),true,memberP(sk49,sk45(sk49)),true),true),true),
    inference(cp,[status(thm)],[t24416,t390081]) ).

cnf(t397935,plain,
    true = ifeq(true,true,ifeq(ssItem(sk45(sk49)),true,ifeq(ssList(tl(sk49)),true,memberP(sk49,sk45(sk49)),true),true),true),
    inference(step,[status(thm)],[t390084,t341116]) ).

cnf(t397936,plain,
    true = ifeq(ssItem(sk45(sk49)),true,ifeq(ssList(tl(sk49)),true,memberP(sk49,sk45(sk49)),true),true),
    inference(step,[status(thm)],[t397935,t256]) ).

cnf(t397937,plain,
    true = ifeq(true,true,ifeq(ssList(tl(sk49)),true,memberP(sk49,sk45(sk49)),true),true),
    inference(step,[status(thm)],[t397936,t341116]) ).

cnf(t397938,plain,
    true = ifeq(ssList(tl(sk49)),true,memberP(sk49,sk45(sk49)),true),
    inference(step,[status(thm)],[t397937,t256]) ).

fof(f23,axiom,
    ! [U] :
      ( ssList(U)
     => ( nil != U
       => ssList(tl(U)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax24) ).

fof(f23_nnf,plain,
    ! [U] :
      ( ssList(tl(U))
      | nil = U
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f23]) ).

fof(f23_sk,plain,
    ! [U] :
      ( ssList(tl(U))
      | nil = U
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa)],[f23_nnf]) ).

cnf(c93,plain,
    ( ssList(tl(X0))
    | nil = X0
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f23_sk]) ).

cnf(t105,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssList(tl(X1)),true)),true) = true,
    inference(equality_encoding,[status(esa)],[c93]) ).

cnf(t439,plain,
    ifeq(ssList(X1),true,or(eq(nil,X1),eq(ssList(tl(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t105]) ).

cnf(t390267,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssList(tl(X1)),true)),true) = true,
    inference(step,[status(thm)],[t439,t641]) ).

cnf(t674,plain,
    ifeq(ssList(X1),true,or(eq(sk48,X1),eq(ssList(tl(X1)),true)),true) = true,
    inference(rw,[status(thm)],[t390267]) ).

cnf(t397103,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssList(tl(X1)),true)),true) = true,
    inference(step,[status(thm)],[t674,t981]) ).

cnf(t320170,plain,
    ifeq(ssList(X1),true,or(eq(sk50,X1),eq(ssList(tl(X1)),true)),true) = true,
    inference(orient,[status(thm)],[t397103]) ).

cnf(t321024,plain,
    true = ifeq(true,true,or(eq(sk50,sk49),eq(ssList(tl(sk49)),true)),true),
    inference(cp,[status(thm)],[t320170,t1634]) ).

cnf(t397104,plain,
    true = or(eq(sk50,sk49),eq(ssList(tl(sk49)),true)),
    inference(step,[status(thm)],[t321024,t256]) ).

cnf(t397105,plain,
    true = or(false,eq(ssList(tl(sk49)),true)),
    inference(step,[status(thm)],[t397104,t2179]) ).

cnf(t397106,plain,
    true = eq(ssList(tl(sk49)),true),
    inference(step,[status(thm)],[t397105,t289]) ).

cnf(t321027,plain,
    eq(ssList(tl(sk49)),true) = true,
    inference(orient,[status(thm)],[t397106]) ).

cnf(t321028,plain,
    true = ifeq(true,true,ssList(tl(sk49)),true),
    inference(cp,[status(thm)],[t257,t321027]) ).

cnf(t397107,plain,
    true = ssList(tl(sk49)),
    inference(step,[status(thm)],[t321028,t256]) ).

cnf(t321037,plain,
    ssList(tl(sk49)) = true,
    inference(orient,[status(thm)],[t397107]) ).

cnf(t397939,plain,
    true = ifeq(true,true,memberP(sk49,sk45(sk49)),true),
    inference(step,[status(thm)],[t397938,t321037]) ).

cnf(t397940,plain,
    true = memberP(sk49,sk45(sk49)),
    inference(step,[status(thm)],[t397939,t256]) ).

cnf(t390153,plain,
    memberP(sk49,sk45(sk49)) = true,
    inference(orient,[status(thm)],[t397940]) ).

cnf(t390154,plain,
    true = ifeq(ssItem(sk45(sk49)),true,ifeq(true,true,memberP(sk50,sk45(sk49)),true),true),
    inference(cp,[status(thm)],[t297,t390153]) ).

cnf(t397941,plain,
    true = ifeq(true,true,ifeq(true,true,memberP(sk50,sk45(sk49)),true),true),
    inference(step,[status(thm)],[t390154,t341116]) ).

cnf(t397942,plain,
    true = ifeq(true,true,memberP(sk50,sk45(sk49)),true),
    inference(step,[status(thm)],[t397941,t256]) ).

cnf(t397943,plain,
    true = memberP(sk50,sk45(sk49)),
    inference(step,[status(thm)],[t397942,t256]) ).

cnf(t59,plain,
    ifeq(not(X1),true,X1,false) = false,
    introduced(definition) ).

cnf(t291,plain,
    ifeq(not(X1),true,X1,false) = false,
    inference(orient,[status(thm)],[t59]) ).

fof(f37,axiom,
    ! [U] :
      ( ssItem(U)
     => ~ memberP(nil,U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax38) ).

fof(f37_nnf,plain,
    ! [U] :
      ( ~ memberP(nil,U)
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f37]) ).

fof(f37_sk,plain,
    ! [U] :
      ( ~ memberP(nil,U)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f37_nnf]) ).

cnf(c113,plain,
    ( ~ memberP(nil,X0)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f37_sk]) ).

cnf(t74,plain,
    or(not(ssItem(X1)),not(memberP(nil,X1))) = true,
    inference(equality_encoding,[status(esa)],[c113]) ).

cnf(t390300,plain,
    or(not(ssItem(X1)),not(memberP(sk48,X1))) = true,
    inference(step,[status(thm)],[t74,t641]) ).

cnf(t711,plain,
    or(not(ssItem(X1)),not(memberP(sk48,X1))) = true,
    inference(orient,[status(thm)],[t390300]) ).

cnf(t390359,plain,
    or(not(ssItem(X1)),not(memberP(sk50,X1))) = true,
    inference(step,[status(thm)],[t711,t981]) ).

cnf(t1006,plain,
    or(not(ssItem(X1)),not(memberP(sk50,X1))) = true,
    inference(rw,[status(thm)],[t390359]) ).

cnf(t17871,plain,
    or(not(ssItem(X1)),not(memberP(sk50,X1))) = true,
    inference(orient,[status(thm)],[t1006]) ).

cnf(t341135,plain,
    true = or(not(true),not(memberP(sk50,sk45(sk49)))),
    inference(cp,[status(thm)],[t17871,t341116]) ).

cnf(t7,plain,
    not(true) = false,
    introduced(definition) ).

cnf(t769,plain,
    not(true) = false,
    inference(orient,[status(thm)],[t7]) ).

cnf(t397385,plain,
    true = or(false,not(memberP(sk50,sk45(sk49)))),
    inference(step,[status(thm)],[t341135,t769]) ).

cnf(t397386,plain,
    true = not(memberP(sk50,sk45(sk49))),
    inference(step,[status(thm)],[t397385,t289]) ).

cnf(t341912,plain,
    not(memberP(sk50,sk45(sk49))) = true,
    inference(orient,[status(thm)],[t397386]) ).

cnf(t341913,plain,
    false = ifeq(true,true,memberP(sk50,sk45(sk49)),false),
    inference(cp,[status(thm)],[t291,t341912]) ).

cnf(t397387,plain,
    false = memberP(sk50,sk45(sk49)),
    inference(step,[status(thm)],[t341913,t256]) ).

cnf(t341914,plain,
    memberP(sk50,sk45(sk49)) = false,
    inference(orient,[status(thm)],[t397387]) ).

cnf(t397944,plain,
    true = false,
    inference(step,[status(thm)],[t397943,t341914]) ).

cnf(t390165,plain,
    false = true,
    inference(orient,[status(thm)],[t397944]) ).

fof(f0,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ( neq(U,V)
          <=> U != V ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax1) ).

fof(f0_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( U = V
              | neq(U,V) )
            & ( U != V
              | ~ neq(U,V) ) )
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f0]) ).

fof(f0_sk,plain,
    ! [U,V] :
      ( ( ( U = V
          | neq(U,V) )
        & ( U != V
          | ~ neq(U,V) ) )
      | ~ ssItem(V)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f0_nnf]) ).

cnf(c0,plain,
    ( X0 != X1
    | ~ neq(X0,X1)
    | ~ ssItem(X1)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f0_sk]) ).

fof(f1,axiom,
    ? [U] :
      ( ? [V] :
          ( U != V
          & ssItem(V) )
      & ssItem(U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax2) ).

fof(f1_nnf,plain,
    ? [U] :
      ( ? [V] :
          ( U != V
          & ssItem(V) )
      & ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f1]) ).

fof(f1_sk,plain,
    ( sk0 != sk1
    & ssItem(sk1)
    & ssItem(sk0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk0,sk1])],[f1_nnf]) ).

cnf(c4,plain,
    sk0 != sk1,
    inference(cnf_transformation,[status(esa)],[f1_sk]) ).

fof(f7,axiom,
    ! [U] :
      ( ssList(U)
     => ( cyclefreeP(U)
      <=> ! [V] :
            ( ssItem(V)
           => ! [W] :
                ( ssItem(W)
               => ! [X] :
                    ( ssList(X)
                   => ! [Y] :
                        ( ssList(Y)
                       => ! [Z] :
                            ( ssList(Z)
                           => ( app(app(X,cons(V,Y)),cons(W,Z)) = U
                             => ~ ( leq(W,V)
                                  & leq(V,W) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax8) ).

fof(f7_nnf,plain,
    ! [U] :
      ( ( ( ? [V] :
              ( ? [W] :
                  ( ? [X] :
                      ( ? [Y] :
                          ( ? [Z] :
                              ( leq(W,V)
                              & leq(V,W)
                              & app(app(X,cons(V,Y)),cons(W,Z)) = U
                              & ssList(Z) )
                          & ssList(Y) )
                      & ssList(X) )
                  & ssItem(W) )
              & ssItem(V) )
          | cyclefreeP(U) )
        & ( ! [V] :
              ( ! [W] :
                  ( ! [X] :
                      ( ! [Y] :
                          ( ! [Z] :
                              ( ~ leq(W,V)
                              | ~ leq(V,W)
                              | app(app(X,cons(V,Y)),cons(W,Z)) != U
                              | ~ ssList(Z) )
                          | ~ ssList(Y) )
                      | ~ ssList(X) )
                  | ~ ssItem(W) )
              | ~ ssItem(V) )
          | ~ cyclefreeP(U) ) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f7]) ).

fof(f7_sk,plain,
    ! [U,V,W,X,Y,Z] :
      ( ( ( ( leq(sk10(U),sk9(U))
            & leq(sk9(U),sk10(U))
            & app(app(sk11(U),cons(sk9(U),sk12(U))),cons(sk10(U),sk13(U))) = U
            & ssList(sk13(U))
            & ssList(sk12(U))
            & ssList(sk11(U))
            & ssItem(sk10(U))
            & ssItem(sk9(U)) )
          | cyclefreeP(U) )
        & ( ~ leq(W,V)
          | ~ leq(V,W)
          | app(app(X,cons(V,Y)),cons(W,Z)) != U
          | ~ ssList(Z)
          | ~ ssList(Y)
          | ~ ssList(X)
          | ~ ssItem(W)
          | ~ ssItem(V)
          | ~ cyclefreeP(U) ) )
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk9,sk10,sk11,sk12,sk13])],[f7_nnf]) ).

cnf(c22,plain,
    ( ~ leq(X2,X1)
    | ~ leq(X1,X2)
    | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
    | ~ ssList(X5)
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssItem(X2)
    | ~ ssItem(X1)
    | ~ cyclefreeP(X0)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f7_sk]) ).

fof(f12,axiom,
    ! [U] :
      ( ssList(U)
     => ( duplicatefreeP(U)
      <=> ! [V] :
            ( ssItem(V)
           => ! [W] :
                ( ssItem(W)
               => ! [X] :
                    ( ssList(X)
                   => ! [Y] :
                        ( ssList(Y)
                       => ! [Z] :
                            ( ssList(Z)
                           => ( app(app(X,cons(V,Y)),cons(W,Z)) = U
                             => V != W ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax13) ).

fof(f12_nnf,plain,
    ! [U] :
      ( ( ( ? [V] :
              ( ? [W] :
                  ( ? [X] :
                      ( ? [Y] :
                          ( ? [Z] :
                              ( V = W
                              & app(app(X,cons(V,Y)),cons(W,Z)) = U
                              & ssList(Z) )
                          & ssList(Y) )
                      & ssList(X) )
                  & ssItem(W) )
              & ssItem(V) )
          | duplicatefreeP(U) )
        & ( ! [V] :
              ( ! [W] :
                  ( ! [X] :
                      ( ! [Y] :
                          ( ! [Z] :
                              ( V != W
                              | app(app(X,cons(V,Y)),cons(W,Z)) != U
                              | ~ ssList(Z) )
                          | ~ ssList(Y) )
                      | ~ ssList(X) )
                  | ~ ssItem(W) )
              | ~ ssItem(V) )
          | ~ duplicatefreeP(U) ) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f12]) ).

fof(f12_sk,plain,
    ! [U,V,W,X,Y,Z] :
      ( ( ( ( sk34(U) = sk35(U)
            & app(app(sk36(U),cons(sk34(U),sk37(U))),cons(sk35(U),sk38(U))) = U
            & ssList(sk38(U))
            & ssList(sk37(U))
            & ssList(sk36(U))
            & ssItem(sk35(U))
            & ssItem(sk34(U)) )
          | duplicatefreeP(U) )
        & ( V != W
          | app(app(X,cons(V,Y)),cons(W,Z)) != U
          | ~ ssList(Z)
          | ~ ssList(Y)
          | ~ ssList(X)
          | ~ ssItem(W)
          | ~ ssItem(V)
          | ~ duplicatefreeP(U) ) )
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sk34,sk35,sk36,sk37,sk38])],[f12_nnf]) ).

cnf(c65,plain,
    ( X1 != X2
    | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
    | ~ ssList(X5)
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssItem(X2)
    | ~ ssItem(X1)
    | ~ duplicatefreeP(X0)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f12_sk]) ).

fof(f14,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( neq(U,V)
          <=> U != V ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax15) ).

fof(f14_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( U = V
              | neq(U,V) )
            & ( U != V
              | ~ neq(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f14]) ).

fof(f14_sk,plain,
    ! [U,V] :
      ( ( ( U = V
          | neq(U,V) )
        & ( U != V
          | ~ neq(U,V) ) )
      | ~ ssList(V)
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa)],[f14_nnf]) ).

cnf(c80,plain,
    ( X0 != X1
    | ~ neq(X0,X1)
    | ~ ssList(X1)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f14_sk]) ).

fof(f17,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => cons(V,U) != U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax18) ).

fof(f17_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( cons(V,U) != U
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f17]) ).

fof(f17_sk,plain,
    ! [U,V] :
      ( cons(V,U) != U
      | ~ ssItem(V)
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa)],[f17_nnf]) ).

cnf(c84,plain,
    ( cons(X1,X0) != X0
    | ~ ssItem(X1)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f17_sk]) ).

fof(f20,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => nil != cons(V,U) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax21) ).

fof(f20_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( nil != cons(V,U)
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(nnf_transformation,[status(thm)],[f20]) ).

fof(f20_sk,plain,
    ! [U,V] :
      ( nil != cons(V,U)
      | ~ ssItem(V)
      | ~ ssList(U) ),
    inference(skolemisation,[status(esa)],[f20_nnf]) ).

cnf(c90,plain,
    ( nil != cons(X1,X0)
    | ~ ssItem(X1)
    | ~ ssList(X0) ),
    inference(cnf_transformation,[status(esa)],[f20_sk]) ).

fof(f32,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ( lt(U,V)
           => ~ lt(V,U) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax33) ).

fof(f32_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( ~ lt(V,U)
          | ~ lt(U,V)
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f32]) ).

fof(f32_sk,plain,
    ! [U,V] :
      ( ~ lt(V,U)
      | ~ lt(U,V)
      | ~ ssItem(V)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f32_nnf]) ).

cnf(c103,plain,
    ( ~ lt(X1,X0)
    | ~ lt(X0,X1)
    | ~ ssItem(X1)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f32_sk]) ).

fof(f38,axiom,
    ~ singletonP(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax39) ).

fof(f38_nnf,plain,
    ~ singletonP(nil),
    inference(nnf_transformation,[status(thm)],[f38]) ).

fof(f38_sk,plain,
    ~ singletonP(nil),
    inference(skolemisation,[status(esa)],[f38_nnf]) ).

cnf(c114,plain,
    ~ singletonP(nil),
    inference(cnf_transformation,[status(esa)],[f38_sk]) ).

fof(f89,axiom,
    ! [U] :
      ( ssItem(U)
     => ~ lt(U,U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax90) ).

fof(f89_nnf,plain,
    ! [U] :
      ( ~ lt(U,U)
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f89]) ).

fof(f89_sk,plain,
    ! [U] :
      ( ~ lt(U,U)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f89_nnf]) ).

cnf(c182,plain,
    ( ~ lt(X0,X0)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f89_sk]) ).

fof(f92,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ( lt(U,V)
          <=> ( leq(U,V)
              & U != V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax93) ).

fof(f92_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ~ leq(U,V)
              | U = V
              | lt(U,V) )
            & ( ( leq(U,V)
                & U != V )
              | ~ lt(U,V) ) )
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f92]) ).

fof(f92_sk,plain,
    ! [U,V] :
      ( ( ( ~ leq(U,V)
          | U = V
          | lt(U,V) )
        & ( ( leq(U,V)
            & U != V )
          | ~ lt(U,V) ) )
      | ~ ssItem(V)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f92_nnf]) ).

cnf(c185,plain,
    ( X0 != X1
    | ~ lt(X0,X1)
    | ~ ssItem(X1)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f92_sk]) ).

fof(f93,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ( gt(U,V)
           => ~ gt(V,U) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax94) ).

fof(f93_nnf,plain,
    ! [U] :
      ( ! [V] :
          ( ~ gt(V,U)
          | ~ gt(U,V)
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(nnf_transformation,[status(thm)],[f93]) ).

fof(f93_sk,plain,
    ! [U,V] :
      ( ~ gt(V,U)
      | ~ gt(U,V)
      | ~ ssItem(V)
      | ~ ssItem(U) ),
    inference(skolemisation,[status(esa)],[f93_nnf]) ).

cnf(c188,plain,
    ( ~ gt(X1,X0)
    | ~ gt(X0,X1)
    | ~ ssItem(X1)
    | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(esa)],[f93_sk]) ).

cnf(c201,plain,
    ( ~ segmentP(sk50,app(app(cons(X4,nil),X5),cons(X4,nil)))
    | ~ ssList(X5)
    | ~ memberP(sk49,X4)
    | ~ ssItem(X4) ),
    inference(cnf_transformation,[status(esa)],[f95_sk]) ).

cnf(goal_0,negated_conjecture,
    true != false,
    inference(equality_encoding,[status(esa)],[c0,c4,c22,c65,c80,c84,c90,c103,c113,c114,c182,c185,c188,c197,c201]) ).

cnf(g0_0,plain,
    true != true,
    inference(rw,[status(thm)],[goal_0,t390165]) ).

cnf(contradiction_0,plain,
    $false,
    inference(trivial_inequality_removal,[status(thm)],[g0_0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWC046+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04  % Command  : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.14/0.41  % Computer : n007.cluster.edu
% 0.14/0.41  % Model    : x86_64 x86_64
% 0.14/0.41  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.41  % Memory   : 8046.5625MB
% 0.14/0.41  % OS       : Linux 6.8.0-71-generic
% 0.14/0.41  % CPULimit : 300
% 0.14/0.41  % WCLimit  : 300
% 0.14/0.41  % DateTime : Thu Sep 24 16:03:23 UTC 2026
% 0.14/0.41  % CPUTime  : 
% 0.14/0.41  Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 262.27/38.53  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 262.27/38.53  % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------