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iProver---3.9.4.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : iProver---3.9.4
% Problem  : COM138+1 : TPTP v9.3.1. Released v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM

% Computer : n013.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 01:04:29 PM UTC 2026

% Result   : Theorem 24.50s 19.70s
% Output   : CNFRefutation 24.50s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   79 (  25 unt;   1 def)
%            Number of atoms       :  245 ( 135 equ)
%            Maximal formula atoms :    9 (   3 avg)
%            Number of connectives :  241 (  81   ~; 102   |;  47   &)
%                                         (   0 <=>;  11  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-3 aty)
%            Number of functors    :   18 (  18 usr;   5 con; 0-3 aty)
%            Number of variables   :  240 (   0 sgn 184   !;  56   ?;  32   :)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1,X2,X3] : vvar(X0) != vabs(X1,X2,X3),
    file('/export/starexec/sandbox2/benchmark/Axioms/COM001+0.ax','DIFF-var-abs') ).

fof(f5,axiom,
    ! [X0,X1,X2] : vvar(X0) != vapp(X1,X2),
    file('/export/starexec/sandbox2/benchmark/Axioms/COM001+0.ax','DIFF-var-app') ).

fof(f10,axiom,
    ! [X0,X1,X2,X3] :
      ( ( X1 = vvar(X2)
        & X0 = X3 )
     => ( ( visFreeVar(X0,X1)
         => X2 = X3 )
        & ( X2 = X3
         => visFreeVar(X0,X1) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/COM001+0.ax',isFreeVar0) ).

fof(f24,axiom,
    ! [X0,X1,X2,X3,X4,X5,X6] :
      ( ( X3 = vbind(X1,X0,X6)
        & X2 = X5 )
     => ( X5 != X1
       => ( X4 = vlookup(X2,X3)
         => X4 = vlookup(X5,X6) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/COM001+0.ax',lookup2) ).

fof(f51,axiom,
    ! [X0,X1,X2] :
      ( vlookup(X1,X0) = vsomeType(X2)
     => vtcheck(X0,vvar(X1),X2) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/COM001+0.ax','T-var') ).

fof(f54,axiom,
    ! [X0,X1,X2] :
      ( vtcheck(X2,X0,X1)
     => ( ? [X7,X4,X8] :
            ( vtcheck(X2,X4,X8)
            & vtcheck(X2,X7,varrow(X8,X1))
            & X0 = vapp(X7,X4) )
        | ? [X3,X4,X5,X6] :
            ( vtcheck(vbind(X3,X5,X2),X4,X6)
            & X1 = varrow(X5,X6)
            & X0 = vabs(X3,X5,X4) )
        | ? [X3] :
            ( vlookup(X3,X2) = vsomeType(X1)
            & X0 = vvar(X3) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/COM001+0.ax','T-inv') ).

fof(f56,conjecture,
    ! [X0,X1,X2,X3,X4] :
      ( ( vtcheck(vbind(X0,X1,X2),vvar(X3),X4)
        & ~ visFreeVar(X0,vvar(X3)) )
     => vtcheck(X2,vvar(X3),X4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p','T-Strong-var') ).

fof(f57,negated_conjecture,
    ~ ! [X0,X1,X2,X3,X4] :
        ( ( vtcheck(vbind(X0,X1,X2),vvar(X3),X4)
          & ~ visFreeVar(X0,vvar(X3)) )
       => vtcheck(X2,vvar(X3),X4) ),
    inference(negated_conjecture,[status(cth)],[f56]) ).

fof(f64,plain,
    ! [X0,X1,X2] :
      ( vtcheck(X2,X0,X1)
     => ( ? [X8,X9,X10] :
            ( vtcheck(X2,X9,X10)
            & vtcheck(X2,X8,varrow(X10,X1))
            & vapp(X8,X9) = X0 )
        | ? [X4,X5,X6,X7] :
            ( vtcheck(vbind(X4,X6,X2),X5,X7)
            & varrow(X6,X7) = X1
            & vabs(X4,X6,X5) = X0 )
        | ? [X3] :
            ( vlookup(X3,X2) = vsomeType(X1)
            & X0 = vvar(X3) ) ) ),
    inference(rectify,[],[f54]) ).

fof(f73,plain,
    ! [X0,X1,X2,X3] :
      ( vvar(X2) != X1
      | X0 != X3
      | ( ( ~ visFreeVar(X0,X1)
          | X2 = X3 )
        & ( X2 != X3
          | visFreeVar(X0,X1) ) ) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f74,plain,
    ! [X0,X1,X2,X3] :
      ( vvar(X2) != X1
      | X0 != X3
      | ( ( ~ visFreeVar(X0,X1)
          | X2 = X3 )
        & ( X2 != X3
          | visFreeVar(X0,X1) ) ) ),
    inference(flattening,[],[f73]) ).

fof(f90,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] :
      ( vbind(X1,X0,X6) != X3
      | X2 != X5
      | X1 = X5
      | vlookup(X2,X3) != X4
      | X4 = vlookup(X5,X6) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f91,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] :
      ( vbind(X1,X0,X6) != X3
      | X2 != X5
      | X1 = X5
      | vlookup(X2,X3) != X4
      | X4 = vlookup(X5,X6) ),
    inference(flattening,[],[f90]) ).

fof(f136,plain,
    ! [X0,X1,X2] :
      ( vsomeType(X2) != vlookup(X1,X0)
      | vtcheck(X0,vvar(X1),X2) ),
    inference(ennf_transformation,[],[f51]) ).

fof(f140,plain,
    ! [X0,X1,X2] :
      ( ~ vtcheck(X2,X0,X1)
      | ? [X8,X9,X10] :
          ( vtcheck(X2,X9,X10)
          & vtcheck(X2,X8,varrow(X10,X1))
          & vapp(X8,X9) = X0 )
      | ? [X4,X5,X6,X7] :
          ( vtcheck(vbind(X4,X6,X2),X5,X7)
          & varrow(X6,X7) = X1
          & vabs(X4,X6,X5) = X0 )
      | ? [X3] :
          ( vlookup(X3,X2) = vsomeType(X1)
          & X0 = vvar(X3) ) ),
    inference(ennf_transformation,[],[f64]) ).

fof(f141,plain,
    ! [X0,X1,X2] :
      ( ~ vtcheck(X2,X0,X1)
      | ? [X8,X9,X10] :
          ( vtcheck(X2,X9,X10)
          & vtcheck(X2,X8,varrow(X10,X1))
          & vapp(X8,X9) = X0 )
      | ? [X4,X5,X6,X7] :
          ( vtcheck(vbind(X4,X6,X2),X5,X7)
          & varrow(X6,X7) = X1
          & vabs(X4,X6,X5) = X0 )
      | ? [X3] :
          ( vlookup(X3,X2) = vsomeType(X1)
          & X0 = vvar(X3) ) ),
    inference(flattening,[],[f140]) ).

fof(f144,plain,
    ? [X0,X1,X2,X3,X4] :
      ( vtcheck(vbind(X0,X1,X2),vvar(X3),X4)
      & ~ visFreeVar(X0,vvar(X3))
      & ~ vtcheck(X2,vvar(X3),X4) ),
    inference(ennf_transformation,[],[f57]) ).

fof(f145,plain,
    ? [X0,X1,X2,X3,X4] :
      ( vtcheck(vbind(X0,X1,X2),vvar(X3),X4)
      & ~ visFreeVar(X0,vvar(X3))
      & ~ vtcheck(X2,vvar(X3),X4) ),
    inference(flattening,[],[f144]) ).

fof(f207,plain,
    ! [X0,X1,X2] :
      ( ~ vtcheck(X2,X0,X1)
      | sP12(X0,X1,X2)
      | ( vtcheck(vbind(sK83(X0,X1,X2),sK85(X0,X1,X2),X2),sK84(X0,X1,X2),sK86(X0,X1,X2))
        & varrow(sK85(X0,X1,X2),sK86(X0,X1,X2)) = X1
        & vabs(sK83(X0,X1,X2),sK85(X0,X1,X2),sK84(X0,X1,X2)) = X0 )
      | ( vsomeType(X1) = vlookup(sK82(X0,X1,X2),X2)
        & vvar(sK82(X0,X1,X2)) = X0 ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK82,sK83,sK84,sK85,sK86]),skolemize(X3,sK82(X0,X1,X2)),skolemize(X4,sK83(X0,X1,X2)),skolemize(X5,sK84(X0,X1,X2)),skolemize(X6,sK85(X0,X1,X2)),skolemize(X7,sK86(X0,X1,X2))],[f162]) ).

fof(f208,plain,
    ( vtcheck(vbind(sK87,sK88,sK89),vvar(sK90),sK91)
    & ~ visFreeVar(sK87,vvar(sK90))
    & ~ vtcheck(sK89,vvar(sK90),sK91) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK87,sK88,sK89,sK90,sK91]),skolemize(X0,sK87),skolemize(X1,sK88),skolemize(X2,sK89),skolemize(X3,sK90),skolemize(X4,sK91)],[f145]) ).

fof(f218,plain,
    ! [X2,X3,X0,X1] : vvar(X0) != vabs(X1,X2,X3),
    inference(cnf_transformation,[],[f4]) ).

fof(f219,plain,
    ! [X2,X0,X1] : vvar(X0) != vapp(X1,X2),
    inference(cnf_transformation,[],[f5]) ).

fof(f224,plain,
    ! [X2,X3,X0,X1] :
      ( vvar(X2) != X1
      | X0 != X3
      | ~ visFreeVar(X0,X1)
      | X2 = X3 ),
    inference(cnf_transformation,[],[f74]) ).

fof(f225,plain,
    ! [X2,X3,X0,X1] :
      ( vvar(X2) != X1
      | X0 != X3
      | X2 != X3
      | visFreeVar(X0,X1) ),
    inference(cnf_transformation,[],[f74]) ).

fof(f247,plain,
    ! [X2,X3,X0,X1,X6,X4,X5] :
      ( vbind(X1,X0,X6) != X3
      | X2 != X5
      | X1 = X5
      | vlookup(X2,X3) != X4
      | vlookup(X5,X6) = X4 ),
    inference(cnf_transformation,[],[f91]) ).

fof(f345,plain,
    ! [X2,X0,X1] :
      ( vsomeType(X2) != vlookup(X1,X0)
      | vtcheck(X0,vvar(X1),X2) ),
    inference(cnf_transformation,[],[f136]) ).

fof(f352,plain,
    ! [X2,X0,X1] :
      ( ~ vtcheck(X2,X0,X1)
      | sP12(X0,X1,X2)
      | varrow(sK85(X0,X1,X2),sK86(X0,X1,X2)) = X1
      | vsomeType(X1) = vlookup(sK82(X0,X1,X2),X2) ),
    inference(cnf_transformation,[],[f207]) ).

fof(f353,plain,
    ! [X2,X0,X1] :
      ( ~ vtcheck(X2,X0,X1)
      | sP12(X0,X1,X2)
      | vabs(sK83(X0,X1,X2),sK85(X0,X1,X2),sK84(X0,X1,X2)) = X0
      | vsomeType(X1) = vlookup(sK82(X0,X1,X2),X2) ),
    inference(cnf_transformation,[],[f207]) ).

fof(f355,plain,
    ! [X2,X0,X1] :
      ( ~ vtcheck(X2,X0,X1)
      | sP12(X0,X1,X2)
      | varrow(sK85(X0,X1,X2),sK86(X0,X1,X2)) = X1
      | vvar(sK82(X0,X1,X2)) = X0 ),
    inference(cnf_transformation,[],[f207]) ).

fof(f356,plain,
    ! [X2,X0,X1] :
      ( ~ vtcheck(X2,X0,X1)
      | sP12(X0,X1,X2)
      | vabs(sK83(X0,X1,X2),sK85(X0,X1,X2),sK84(X0,X1,X2)) = X0
      | vvar(sK82(X0,X1,X2)) = X0 ),
    inference(cnf_transformation,[],[f207]) ).

fof(f358,plain,
    vtcheck(vbind(sK87,sK88,sK89),vvar(sK90),sK91),
    inference(cnf_transformation,[],[f208]) ).

fof(f359,plain,
    ~ visFreeVar(sK87,vvar(sK90)),
    inference(cnf_transformation,[],[f208]) ).

fof(f360,plain,
    ~ vtcheck(sK89,vvar(sK90),sK91),
    inference(cnf_transformation,[],[f208]) ).

fof(f370,plain,
    ! [X3,X0,X1] :
      ( vvar(X3) != X1
      | X0 != X3
      | visFreeVar(X0,X1) ),
    inference(equality_resolution,[],[f225]) ).

fof(f371,plain,
    ! [X3,X1] :
      ( vvar(X3) != X1
      | visFreeVar(X3,X1) ),
    inference(equality_resolution,[],[f370]) ).

fof(f372,plain,
    ! [X3] : visFreeVar(X3,vvar(X3)),
    inference(equality_resolution,[],[f371]) ).

fof(f373,plain,
    ! [X2,X3,X1] :
      ( vvar(X2) != X1
      | ~ visFreeVar(X3,X1)
      | X2 = X3 ),
    inference(equality_resolution,[],[f224]) ).

fof(f374,plain,
    ! [X2,X3] :
      ( ~ visFreeVar(X3,vvar(X2))
      | X2 = X3 ),
    inference(equality_resolution,[],[f373]) ).

fof(f403,plain,
    ! [X2,X3,X0,X1,X6,X5] :
      ( vbind(X1,X0,X6) != X3
      | X2 != X5
      | X1 = X5
      | vlookup(X2,X3) = vlookup(X5,X6) ),
    inference(equality_resolution,[],[f247]) ).

fof(f404,plain,
    ! [X3,X0,X1,X6,X5] :
      ( vbind(X1,X0,X6) != X3
      | X1 = X5
      | vlookup(X5,X6) = vlookup(X5,X3) ),
    inference(equality_resolution,[],[f403]) ).

fof(f405,plain,
    ! [X0,X1,X6,X5] :
      ( X1 = X5
      | vlookup(X5,X6) = vlookup(X5,vbind(X1,X0,X6)) ),
    inference(equality_resolution,[],[f404]) ).

tcf(c_55,negated_conjecture,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] : vabs(X0,X1,X2) != vvar(X3),
    inference(cnf_transformation,[],[f218]) ).

tcf(c_56,negated_conjecture,
    ! [X0: $i,X1: $i,X2: $i] : vapp(X0,X1) != vvar(X2),
    inference(cnf_transformation,[],[f219]) ).

tcf(c_61,plain,
    ! [X0: $i] : visFreeVar(X0,vvar(X0)),
    inference(cnf_transformation,[],[f372]) ).

tcf(c_62,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ visFreeVar(X0,vvar(X1)) ),
    inference(cnf_transformation,[],[f374]) ).

tcf(c_80,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ( X0 = X1 )
      | ( vlookup(X0,vbind(X1,X2,X3)) = vlookup(X0,X3) ) ),
    inference(cnf_transformation,[],[f405]) ).

tcf(c_175,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( vtcheck(X1,vvar(X0),X2)
      | ( vlookup(X0,X1) != vsomeType(X2) ) ),
    inference(cnf_transformation,[],[f345]) ).

tcf(c_181,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( sP12(X1,X2,X0)
      | ( vvar(sK82(X1,X2,X0)) = X1 )
      | ( vabs(sK83(X1,X2,X0),sK85(X1,X2,X0),sK84(X1,X2,X0)) = X1 )
      | ~ vtcheck(X0,X1,X2) ),
    inference(cnf_transformation,[],[f356]) ).

tcf(c_182,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( sP12(X1,X2,X0)
      | ( vvar(sK82(X1,X2,X0)) = X1 )
      | ( varrow(sK85(X1,X2,X0),sK86(X1,X2,X0)) = X2 )
      | ~ vtcheck(X0,X1,X2) ),
    inference(cnf_transformation,[],[f355]) ).

tcf(c_184,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( sP12(X1,X2,X0)
      | ( vlookup(sK82(X1,X2,X0),X0) = vsomeType(X2) )
      | ( vabs(sK83(X1,X2,X0),sK85(X1,X2,X0),sK84(X1,X2,X0)) = X1 )
      | ~ vtcheck(X0,X1,X2) ),
    inference(cnf_transformation,[],[f353]) ).

tcf(c_185,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( sP12(X1,X2,X0)
      | ( vlookup(sK82(X1,X2,X0),X0) = vsomeType(X2) )
      | ( varrow(sK85(X1,X2,X0),sK86(X1,X2,X0)) = X2 )
      | ~ vtcheck(X0,X1,X2) ),
    inference(cnf_transformation,[],[f352]) ).

tcf(c_188,negated_conjecture,
    ~ vtcheck(sK89,vvar(sK90),sK91),
    inference(cnf_transformation,[],[f360]) ).

tcf(c_189,negated_conjecture,
    ~ visFreeVar(sK87,vvar(sK90)),
    inference(cnf_transformation,[],[f359]) ).

tcf(c_190,negated_conjecture,
    vtcheck(vbind(sK87,sK88,sK89),vvar(sK90),sK91),
    inference(cnf_transformation,[],[f358]) ).

tcf(c_1257,plain,
    ( sP12(vvar(sK90),sK91,vbind(sK87,sK88,sK89))
    | ( vvar(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = vvar(sK90) )
    | ( vabs(sK83(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK85(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK84(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = vvar(sK90) )
    | ~ vtcheck(vbind(sK87,sK88,sK89),vvar(sK90),sK91) ),
    inference(instantiation,[status(thm)],[c_181]) ).

tcf(c_1258,plain,
    ( sP12(vvar(sK90),sK91,vbind(sK87,sK88,sK89))
    | ( vlookup(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),vbind(sK87,sK88,sK89)) = vsomeType(sK91) )
    | ( vabs(sK83(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK85(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK84(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = vvar(sK90) )
    | ~ vtcheck(vbind(sK87,sK88,sK89),vvar(sK90),sK91) ),
    inference(instantiation,[status(thm)],[c_184]) ).

tcf(c_1323,plain,
    vabs(sK83(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK85(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK84(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) != vvar(sK90),
    inference(instantiation,[status(thm)],[c_55]) ).

tcf(c_7955,plain,
    vapp(sK79(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK80(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) != vvar(sK90),
    inference(instantiation,[status(thm)],[c_56]) ).

tcf(c_9396,plain,
    ( sP12(vvar(sK90),sK91,vbind(sK87,sK88,sK89))
    | ( vvar(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = vvar(sK90) )
    | ( varrow(sK85(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK86(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = sK91 ) ),
    inference(superposition,[status(thm)],[c_190,c_182]) ).

tcf(c_9405,plain,
    ( sP12(vvar(sK90),sK91,vbind(sK87,sK88,sK89))
    | ( vlookup(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),vbind(sK87,sK88,sK89)) = vsomeType(sK91) )
    | ( varrow(sK85(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK86(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = sK91 ) ),
    inference(superposition,[status(thm)],[c_190,c_185]) ).

tcf(c_10587,plain,
    ( vtcheck(sK89,vvar(sK90),sK91)
    | ( vlookup(sK90,sK89) != vsomeType(sK91) ) ),
    inference(instantiation,[status(thm)],[c_175]) ).

fof(f161,definition,
    ! [X0,X1,X2] :
      ( ~ sP12(X0,X1,X2)
      | ? [X8,X9,X10] :
          ( vtcheck(X2,X9,X10)
          & vtcheck(X2,X8,varrow(X10,X1))
          & vapp(X8,X9) = X0 ) ),
    introduced(definition,[new_symbols(definition,[sP12])],[predicate_definition_introduction]) ).

fof(f162,plain,
    ! [X0,X1,X2] :
      ( ~ vtcheck(X2,X0,X1)
      | sP12(X0,X1,X2)
      | ? [X4,X5,X6,X7] :
          ( vtcheck(vbind(X4,X6,X2),X5,X7)
          & varrow(X6,X7) = X1
          & vabs(X4,X6,X5) = X0 )
      | ? [X3] :
          ( vlookup(X3,X2) = vsomeType(X1)
          & X0 = vvar(X3) ) ),
    inference(definition_folding,[],[f141,f161]) ).

fof(f204,plain,
    ! [X0,X1,X2] :
      ( ~ sP12(X0,X1,X2)
      | ? [X8,X9,X10] :
          ( vtcheck(X2,X9,X10)
          & vtcheck(X2,X8,varrow(X10,X1))
          & vapp(X8,X9) = X0 ) ),
    inference(nnf_transformation,[],[f161]) ).

fof(f205,plain,
    ! [X0,X1,X2] :
      ( ~ sP12(X0,X1,X2)
      | ? [X3,X4,X5] :
          ( vtcheck(X2,X4,X5)
          & vtcheck(X2,X3,varrow(X5,X1))
          & vapp(X3,X4) = X0 ) ),
    inference(rectify,[],[f204]) ).

fof(f206,plain,
    ! [X0,X1,X2] :
      ( ~ sP12(X0,X1,X2)
      | ( vtcheck(X2,sK80(X0,X1,X2),sK81(X0,X1,X2))
        & vtcheck(X2,sK79(X0,X1,X2),varrow(sK81(X0,X1,X2),X1))
        & vapp(sK79(X0,X1,X2),sK80(X0,X1,X2)) = X0 ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK79,sK80,sK81]),skolemize(X3,sK79(X0,X1,X2)),skolemize(X4,sK80(X0,X1,X2)),skolemize(X5,sK81(X0,X1,X2))],[f205]) ).

fof(f350,plain,
    ! [X2,X0,X1] :
      ( ~ sP12(X0,X1,X2)
      | vapp(sK79(X0,X1,X2),sK80(X0,X1,X2)) = X0 ),
    inference(cnf_transformation,[],[f206]) ).

tcf(c_178,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( vapp(sK79(X0,X1,X2),sK80(X0,X1,X2)) = X0 )
      | ~ sP12(X0,X1,X2) ),
    inference(cnf_transformation,[],[f350]) ).

tcf(c_5800,plain,
    ( ( vapp(sK79(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),sK80(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = vvar(sK90) )
    | ~ sP12(vvar(sK90),sK91,vbind(sK87,sK88,sK89)) ),
    inference(instantiation,[status(thm)],[c_178]) ).

tcf(c_9463,plain,
    vvar(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89))) = vvar(sK90),
    inference(global_subsumption_just,[status(thm)],[c_9396,c_190,c_1257,c_1323,c_5800,c_7955]) ).

tcf(c_9482,plain,
    visFreeVar(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),vvar(sK90)),
    inference(superposition,[status(thm)],[c_9463,c_61]) ).

tcf(c_9530,plain,
    vlookup(sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89)),vbind(sK87,sK88,sK89)) = vsomeType(sK91),
    inference(global_subsumption_just,[status(thm)],[c_9405,c_190,c_1258,c_1323,c_5800,c_7955]) ).

tcf(c_9599,plain,
    sK82(vvar(sK90),sK91,vbind(sK87,sK88,sK89)) = sK90,
    inference(superposition,[status(thm)],[c_9482,c_62]) ).

tcf(c_10748,plain,
    visFreeVar(sK90,vvar(sK90)),
    inference(superposition,[status(thm)],[c_9599,c_9482]) ).

tcf(c_10749,plain,
    vlookup(sK90,vbind(sK87,sK88,sK89)) = vsomeType(sK91),
    inference(superposition,[status(thm)],[c_9599,c_9530]) ).

tcf(c_10964,plain,
    ( ( sK90 = sK87 )
    | ( vlookup(sK90,sK89) = vsomeType(sK91) ) ),
    inference(superposition,[status(thm)],[c_80,c_10749]) ).

tcf(c_11397,plain,
    sK90 = sK87,
    inference(global_subsumption_just,[status(thm)],[c_10964,c_188,c_10587,c_10964]) ).

tcf(c_11429,plain,
    ~ visFreeVar(sK90,vvar(sK90)),
    inference(superposition,[status(thm)],[c_11397,c_189]) ).

tcf(c_11430,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_11429,c_10748]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : COM138+1 : TPTP v9.3.1. Released v6.4.0.
% 0.00/0.04  % Command  : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/15.59  % Computer : n013.cluster.edu
% 0.12/15.59  % Model    : x86_64 x86_64
% 0.12/15.59  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/15.59  % Memory   : 8046.5625MB
% 0.12/15.59  % OS       : Linux 6.8.0-71-generic
% 0.12/15.59  % CPULimit : 300
% 0.12/15.59  % WCLimit  : 300
% 0.12/15.59  % DateTime : Fri Sep 25 07:55:11 UTC 2026
% 0.15/15.60  % CPUTime  : 
% 0.15/15.60  Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.15/15.66  Running first-order theorem proving
% 0.15/15.66  Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/15.68  
% 0.15/15.68  % ======== iProver multi-core TPTP/SMT =========
% 0.15/15.68  
% 0.15/15.68  % Detected problem language: tptp
% 0.15/15.70  % Proving...
% 24.50/19.70  % SZS status Started for theBenchmark.p
% 24.50/19.70  % SZS status Theorem for theBenchmark.p
% 24.50/19.70  
% 24.50/19.70  %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 24.50/19.70  
% 24.50/19.70  % ------  iProver source info
% 24.50/19.70  
% 24.50/19.70  % git: date: 2026-07-19 20:42:38 +0200
% 24.50/19.70  % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 24.50/19.70  % git: non_committed_changes: false
% 24.50/19.70  
% 24.50/19.70  % ------ Parsing...
% 24.50/19.70  % ------ Clausification by vclausify_rel  & Parsing by iProver...% 
% 24.50/19.70  
% 24.50/19.70  % ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e % 
% 24.50/19.70  
% 24.50/19.70  % ------ Preprocessing...% 
% 24.50/19.70  
% 24.50/19.70  % ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 24.50/19.70  % ------ Proving...
% 24.50/19.70  % ------ Problem Properties 
% 24.50/19.70  
% 24.50/19.70  % 
% 24.50/19.70  % clauses                               140
% 24.50/19.70  % conjectures                           26
% 24.50/19.70  % EPR                                   4
% 24.50/19.70  % Horn                                  114
% 24.50/19.70  % unary                                 28
% 24.50/19.70  % binary                                86
% 24.50/19.70  % lits                                  303
% 24.50/19.70  % lits eq                               133
% 24.50/19.70  % fd_pure                               0
% 24.50/19.70  % fd_pseudo                             0
% 24.50/19.70  % fd_cond                               3
% 24.50/19.70  % fd_pseudo_cond                        20
% 24.50/19.70  % AC symbols                            0
% 24.50/19.70  
% 24.50/19.70  % ------ Input Options Time Limit: Unbounded
% 24.50/19.70  
% 24.50/19.70  
% 24.50/19.70  % ------ 
% 24.50/19.70  % Current options:
% 24.50/19.70  % ------ 
% 24.50/19.70  
% 24.50/19.70  
% 24.50/19.70  % 
% 24.50/19.70  
% 24.50/19.70  % ------ Proving...
% 24.50/19.70  % 
% 24.50/19.70  
% 24.50/19.70  % SZS status Theorem for theBenchmark.p
% 24.50/19.70  
% 24.50/19.70  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 24.50/19.70  
% 24.50/19.70  
%------------------------------------------------------------------------------