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E---3.5.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : E---3.5.1
% Problem  : SWC170+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n016.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 : Thu Sep 24 02:43:18 PM UTC 2026

% Result   : Theorem 0.69s 0.87s
% Output   : CNFRefutation 0.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   48
%            Number of leaves      :   29
% Syntax   : Number of formulae    :  187 (  32 unt;   0 def)
%            Number of atoms       :  660 ( 225 equ)
%            Maximal formula atoms :   30 (   3 avg)
%            Number of connectives :  766 ( 293   ~; 312   |;  41   &)
%                                         (  11 <=>; 109  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   24 (   5 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   1 prp; 0-2 aty)
%            Number of functors    :   22 (  22 usr;   9 con; 0-2 aty)
%            Number of variables   :  242 (   0 sgn 154   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(co1,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( ( neq(X4,nil)
                      & ~ singletonP(X3) )
                    | ! [X5] :
                        ( ssItem(X5)
                       => ! [X6] :
                            ( ssItem(X6)
                           => ! [X7] :
                                ( ssList(X7)
                               => ! [X8] :
                                    ( ssList(X8)
                                   => ( neq(X5,X6)
                                      | app(app(app(X7,cons(X5,nil)),cons(X6,nil)),X8) != X1 ) ) ) ) )
                    | ~ segmentP(X4,X3)
                    | X1 != X3
                    | X2 != X4 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(ax1,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax1) ).

fof(ax82,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => app(app(X1,X2),X3) = app(X1,app(X2,X3)) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax82) ).

fof(ax16,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ssList(cons(X2,X1)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax16) ).

fof(ax17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax17) ).

fof(ax81,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) = app(cons(X2,nil),X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax81) ).

fof(ax27,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssItem(X3)
             => cons(X3,app(X2,X1)) = app(cons(X3,X2),X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax27) ).

fof(ax5,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( frontsegP(X1,X2)
          <=> ? [X3] :
                ( app(X2,X3) = X1
                & ssList(X3) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax5) ).

fof(ax26,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ssList(app(X1,X2)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax26) ).

fof(ax86,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => tl(app(X1,X2)) = app(tl(X1),X2) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax86) ).

fof(ax15,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax15) ).

fof(ax25,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => tl(cons(X2,X1)) = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax25) ).

fof(ax4,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( singletonP(X1)
      <=> ? [X2] :
            ( cons(X2,nil) = X1
            & ssItem(X2) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax4) ).

fof(ax85,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => hd(app(X1,X2)) = hd(X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax85) ).

fof(ax83,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil = app(X1,X2)
          <=> ( nil = X1
              & nil = X2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax83) ).

fof(ax78,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => cons(hd(X1),tl(X1)) = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax78) ).

fof(ax24,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => ssList(tl(X1)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax24) ).

fof(ax13,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( duplicatefreeP(X1)
      <=> ! [X2] :
            ( ssItem(X2)
           => ! [X3] :
                ( ssItem(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ! [X5] :
                        ( ssList(X5)
                       => ! [X6] :
                            ( ssList(X6)
                           => ( app(app(X4,cons(X2,X5)),cons(X3,X6)) = X1
                             => X2 != X3 ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax13) ).

fof(ax71,axiom,
    ! [X1] :
      ( ssItem(X1)
     => duplicatefreeP(cons(X1,nil)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax71) ).

fof(ax28,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(nil,X1) = X1 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax28) ).

fof(ax21,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => nil != cons(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax21) ).

fof(ax23,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => hd(cons(X2,X1)) = X2 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax23) ).

fof(ax18,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) != X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax18) ).

fof(ax80,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( app(X2,X3) = app(X2,X1)
               => X3 = X1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax80) ).

fof(ax84,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(X1,nil) = X1 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax84) ).

fof(ax7,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( segmentP(X1,X2)
          <=> ? [X3] :
                ( ? [X4] :
                    ( app(app(X3,X2),X4) = X1
                    & ssList(X4) )
                & ssList(X3) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax7) ).

fof(ax54,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( ( segmentP(X2,X1)
              & segmentP(X1,X2) )
           => X1 = X2 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax54) ).

fof(ax57,axiom,
    ! [X1] :
      ( ssList(X1)
     => segmentP(X1,nil) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax57) ).

fof(ax58,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( segmentP(nil,X1)
      <=> nil = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax58) ).

fof(c_0_29,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( ( neq(X4,nil)
                        & ~ singletonP(X3) )
                      | ! [X5] :
                          ( ssItem(X5)
                         => ! [X6] :
                              ( ssItem(X6)
                             => ! [X7] :
                                  ( ssList(X7)
                                 => ! [X8] :
                                      ( ssList(X8)
                                     => ( neq(X5,X6)
                                        | app(app(app(X7,cons(X5,nil)),cons(X6,nil)),X8) != X1 ) ) ) ) )
                      | ~ segmentP(X4,X3)
                      | X1 != X3
                      | X2 != X4 ) ) ) ) ),
    inference(assume_negation,[status(cth)],[co1]) ).

fof(c_0_30,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( ( neq(X4,nil)
                        & ~ singletonP(X3) )
                      | ! [X5] :
                          ( ssItem(X5)
                         => ! [X6] :
                              ( ssItem(X6)
                             => ! [X7] :
                                  ( ssList(X7)
                                 => ! [X8] :
                                      ( ssList(X8)
                                     => ( neq(X5,X6)
                                        | app(app(app(X7,cons(X5,nil)),cons(X6,nil)),X8) != X1 ) ) ) ) )
                      | ~ segmentP(X4,X3)
                      | X1 != X3
                      | X2 != X4 ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[c_0_29]) ).

fof(c_0_31,plain,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    inference(fof_simplification,[status(thm)],[ax1]) ).

fof(c_0_32,negated_conjecture,
    ( ( ~ neq(esk51_0,nil)
      | singletonP(esk50_0) )
    & ~ neq(esk52_0,esk53_0)
    & app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk53_0,nil)),esk55_0) = esk48_0
    & ssList(esk55_0)
    & ssList(esk54_0)
    & ssItem(esk53_0)
    & ssItem(esk52_0)
    & segmentP(esk51_0,esk50_0)
    & esk48_0 = esk50_0
    & esk49_0 = esk51_0
    & ssList(esk51_0)
    & ssList(esk50_0)
    & ssList(esk49_0)
    & ssList(esk48_0) ),
    inference(fof_nnf,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_30])])])]) ).

fof(c_0_33,plain,
    ! [X9,X10] :
      ( ( ~ ssItem(X9)
        | ~ ssItem(X10)
        | neq(X9,X10)
        | X9 = X10 )
      & ( ~ ssItem(X9)
        | ~ ssItem(X10)
        | X9 != X10
        | ~ neq(X9,X10) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_31])])])])]) ).

cnf(c_0_34,negated_conjecture,
    app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk53_0,nil)),esk55_0) = esk48_0,
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_35,negated_conjecture,
    esk48_0 = esk50_0,
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_36,negated_conjecture,
    ~ neq(esk52_0,esk53_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_37,plain,
    ( ~ ssItem(X1)
    | ~ ssItem(X2)
    | neq(X1,X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

cnf(c_0_38,negated_conjecture,
    ssItem(esk53_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_39,negated_conjecture,
    ssItem(esk52_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_40,negated_conjecture,
    app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk53_0,nil)),esk55_0) = esk50_0,
    inference(rw,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_41,negated_conjecture,
    esk53_0 = esk52_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_37]),c_0_38]),c_0_39])]) ).

fof(c_0_42,plain,
    ! [X224,X225,X226] :
      ( app(app(X224,X225),X226) = app(X224,app(X225,X226))
      | ~ ssList(X226)
      | ~ ssList(X225)
      | ~ ssList(X224) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax82])])])]) ).

cnf(c_0_43,negated_conjecture,
    app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk52_0,nil)),esk55_0) = esk50_0,
    inference(spm,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_44,plain,
    ( ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | app(app(X1,X2),X3) = app(X1,app(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_42]) ).

cnf(c_0_45,negated_conjecture,
    ssList(esk54_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

fof(c_0_46,plain,
    ! [X113,X114] :
      ( ssList(cons(X114,X113))
      | ~ ssItem(X114)
      | ~ ssList(X113) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax16])])])]) ).

cnf(c_0_47,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | app(app(esk54_0,app(cons(esk52_0,nil),cons(esk52_0,nil))),esk55_0) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_44]),c_0_45])]) ).

cnf(c_0_48,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | ssList(cons(X2,X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_46]) ).

cnf(c_0_49,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

fof(c_0_50,plain,
    ! [X222,X223] :
      ( cons(X223,X222) = app(cons(X223,nil),X222)
      | ~ ssItem(X223)
      | ~ ssList(X222) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax81])])])]) ).

cnf(c_0_51,negated_conjecture,
    app(app(esk54_0,app(cons(esk52_0,nil),cons(esk52_0,nil))),esk55_0) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_52,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | cons(X2,X1) = app(cons(X2,nil),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

cnf(c_0_53,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | app(app(esk54_0,cons(esk52_0,cons(esk52_0,nil))),esk55_0) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_51,c_0_52]),c_0_39])]) ).

cnf(c_0_54,negated_conjecture,
    app(app(esk54_0,cons(esk52_0,cons(esk52_0,nil))),esk55_0) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_55,negated_conjecture,
    ssList(esk55_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_56,negated_conjecture,
    ( ~ ssList(cons(esk52_0,cons(esk52_0,nil)))
    | app(esk54_0,app(cons(esk52_0,cons(esk52_0,nil)),esk55_0)) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_54]),c_0_55]),c_0_45])]) ).

cnf(c_0_57,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | app(esk54_0,app(cons(esk52_0,cons(esk52_0,nil)),esk55_0)) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_48]),c_0_39])]) ).

fof(c_0_58,plain,
    ! [X134,X135,X136] :
      ( cons(X136,app(X135,X134)) = app(cons(X136,X135),X134)
      | ~ ssItem(X136)
      | ~ ssList(X135)
      | ~ ssList(X134) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax27])])])]) ).

cnf(c_0_59,negated_conjecture,
    app(esk54_0,app(cons(esk52_0,cons(esk52_0,nil)),esk55_0)) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_60,plain,
    ( ~ ssItem(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | cons(X3,app(X2,X1)) = app(cons(X3,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_58]) ).

fof(c_0_61,plain,
    ! [X22,X23,X25] :
      ( ( ~ ssList(X22)
        | ~ ssList(X23)
        | frontsegP(X22,X23)
        | app(X23,X25) != X22
        | ~ ssList(X25) )
      & ( ~ ssList(X22)
        | ~ ssList(X23)
        | ~ frontsegP(X22,X23)
        | app(X23,esk6_2(X22,X23)) = X22 )
      & ( ~ ssList(X22)
        | ~ ssList(X23)
        | ~ frontsegP(X22,X23)
        | ssList(esk6_2(X22,X23)) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax5])])])])])]) ).

fof(c_0_62,plain,
    ! [X132,X133] :
      ( ssList(app(X132,X133))
      | ~ ssList(X133)
      | ~ ssList(X132) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax26])])])]) ).

cnf(c_0_63,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | app(esk54_0,cons(esk52_0,app(cons(esk52_0,nil),esk55_0))) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_60]),c_0_55]),c_0_39])]) ).

cnf(c_0_64,plain,
    ( ~ ssList(X3)
    | ~ ssList(X2)
    | app(X2,X1) != X3
    | ~ ssList(X1)
    | frontsegP(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_61]) ).

cnf(c_0_65,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | ssList(app(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_62]) ).

cnf(c_0_66,negated_conjecture,
    app(esk54_0,cons(esk52_0,app(cons(esk52_0,nil),esk55_0))) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_63,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_67,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | frontsegP(app(X1,X2),X1) ),
    inference(csr,[status(thm)],[inference(er,[status(thm)],[c_0_64]),c_0_65]) ).

cnf(c_0_68,negated_conjecture,
    app(esk54_0,cons(esk52_0,cons(esk52_0,esk55_0))) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_66,c_0_52]),c_0_55]),c_0_39])]) ).

cnf(c_0_69,negated_conjecture,
    ( ~ ssList(cons(esk52_0,cons(esk52_0,esk55_0)))
    | frontsegP(esk50_0,esk54_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_67,c_0_68]),c_0_45])]) ).

fof(c_0_70,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => tl(app(X1,X2)) = app(tl(X1),X2) ) ) ),
    inference(fof_simplification,[status(thm)],[ax86]) ).

cnf(c_0_71,negated_conjecture,
    ( ~ ssList(cons(esk52_0,esk55_0))
    | frontsegP(esk50_0,esk54_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_69,c_0_48]),c_0_39])]) ).

cnf(c_0_72,negated_conjecture,
    ssList(esk48_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

fof(c_0_73,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    inference(fof_simplification,[status(thm)],[ax15]) ).

fof(c_0_74,plain,
    ! [X232,X233] :
      ( tl(app(X232,X233)) = app(tl(X232),X233)
      | nil = X232
      | ~ ssList(X233)
      | ~ ssList(X232) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_70])])])]) ).

cnf(c_0_75,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | ~ frontsegP(X2,X1)
    | app(X1,esk6_2(X2,X1)) = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_61]) ).

cnf(c_0_76,negated_conjecture,
    frontsegP(esk50_0,esk54_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_71,c_0_48]),c_0_55]),c_0_39])]) ).

cnf(c_0_77,negated_conjecture,
    ssList(esk50_0),
    inference(rw,[status(thm)],[c_0_72,c_0_35]) ).

cnf(c_0_78,plain,
    ( ~ ssList(X1)
    | ~ ssList(X2)
    | ~ frontsegP(X1,X2)
    | ssList(esk6_2(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_61]) ).

fof(c_0_79,plain,
    ! [X130,X131] :
      ( tl(cons(X131,X130)) = X130
      | ~ ssItem(X131)
      | ~ ssList(X130) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax25])])])]) ).

fof(c_0_80,plain,
    ! [X19,X21] :
      ( ( ~ ssList(X19)
        | singletonP(X19)
        | cons(X21,nil) != X19
        | ~ ssItem(X21) )
      & ( ~ ssList(X19)
        | ~ singletonP(X19)
        | cons(esk5_1(X19),nil) = X19 )
      & ( ~ ssList(X19)
        | ~ singletonP(X19)
        | ssItem(esk5_1(X19)) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax4])])])])])]) ).

fof(c_0_81,plain,
    ! [X111,X112] :
      ( ( ~ ssList(X111)
        | ~ ssList(X112)
        | neq(X111,X112)
        | X111 = X112 )
      & ( ~ ssList(X111)
        | ~ ssList(X112)
        | X111 != X112
        | ~ neq(X111,X112) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_73])])])])]) ).

cnf(c_0_82,negated_conjecture,
    ssList(esk49_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_83,negated_conjecture,
    esk49_0 = esk51_0,
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

fof(c_0_84,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => hd(app(X1,X2)) = hd(X1) ) ) ),
    inference(fof_simplification,[status(thm)],[ax85]) ).

fof(c_0_85,plain,
    ! [X227,X228] :
      ( ( ~ ssList(X227)
        | ~ ssList(X228)
        | nil = app(X227,X228)
        | nil != X227
        | nil != X228 )
      & ( ~ ssList(X227)
        | ~ ssList(X228)
        | nil != app(X227,X228)
        | nil = X227 )
      & ( ~ ssList(X227)
        | ~ ssList(X228)
        | nil != app(X227,X228)
        | nil = X228 ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax83])])])])]) ).

cnf(c_0_86,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | tl(app(X1,X2)) = app(tl(X1),X2)
    | nil = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_74]) ).

cnf(c_0_87,negated_conjecture,
    app(esk54_0,esk6_2(esk50_0,esk54_0)) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_76]),c_0_77]),c_0_45])]) ).

cnf(c_0_88,negated_conjecture,
    ssList(esk6_2(esk50_0,esk54_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_76]),c_0_45]),c_0_77])]) ).

cnf(c_0_89,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | tl(cons(X2,X1)) = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_79]) ).

cnf(c_0_90,plain,
    ( ~ ssList(X1)
    | ~ singletonP(X1)
    | cons(esk5_1(X1),nil) = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_80]) ).

cnf(c_0_91,plain,
    ( ~ ssList(X1)
    | ~ singletonP(X1)
    | ssItem(esk5_1(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_80]) ).

cnf(c_0_92,negated_conjecture,
    ( ~ neq(esk51_0,nil)
    | singletonP(esk50_0) ),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_93,plain,
    ( ~ ssList(X1)
    | ~ ssList(X2)
    | neq(X1,X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_81]) ).

cnf(c_0_94,negated_conjecture,
    ssList(esk51_0),
    inference(rw,[status(thm)],[c_0_82,c_0_83]) ).

fof(c_0_95,plain,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => cons(hd(X1),tl(X1)) = X1 ) ),
    inference(fof_simplification,[status(thm)],[ax78]) ).

fof(c_0_96,plain,
    ! [X230,X231] :
      ( hd(app(X230,X231)) = hd(X230)
      | nil = X230
      | ~ ssList(X231)
      | ~ ssList(X230) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_84])])])]) ).

cnf(c_0_97,plain,
    ( ~ ssList(X1)
    | ~ ssList(X2)
    | nil != app(X1,X2)
    | nil = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_85]) ).

cnf(c_0_98,negated_conjecture,
    ( esk54_0 = nil
    | app(tl(esk54_0),esk6_2(esk50_0,esk54_0)) = tl(esk50_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_86,c_0_87]),c_0_88]),c_0_45])]) ).

cnf(c_0_99,plain,
    ( ~ ssList(X1)
    | ~ singletonP(X1)
    | tl(X1) = nil ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_89,c_0_90]),c_0_49])]),c_0_91]) ).

cnf(c_0_100,negated_conjecture,
    ( singletonP(esk50_0)
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_92,c_0_93]),c_0_49]),c_0_94])]) ).

fof(c_0_101,plain,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => ssList(tl(X1)) ) ),
    inference(fof_simplification,[status(thm)],[ax24]) ).

fof(c_0_102,plain,
    ! [X1] :
      ( ssList(X1)
     => ( duplicatefreeP(X1)
      <=> ! [X2] :
            ( ssItem(X2)
           => ! [X3] :
                ( ssItem(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ! [X5] :
                        ( ssList(X5)
                       => ! [X6] :
                            ( ssList(X6)
                           => ( app(app(X4,cons(X2,X5)),cons(X3,X6)) = X1
                             => X2 != X3 ) ) ) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[ax13]) ).

fof(c_0_103,plain,
    ! [X215] :
      ( cons(hd(X215),tl(X215)) = X215
      | nil = X215
      | ~ ssList(X215) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_95])])]) ).

cnf(c_0_104,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | hd(app(X1,X2)) = hd(X1)
    | nil = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_96]) ).

cnf(c_0_105,negated_conjecture,
    ( ~ ssList(tl(esk54_0))
    | tl(esk50_0) != nil
    | esk54_0 = nil
    | tl(esk54_0) = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_97,c_0_98]),c_0_88])]) ).

cnf(c_0_106,negated_conjecture,
    ( esk51_0 = nil
    | tl(esk50_0) = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_99,c_0_100]),c_0_77])]) ).

fof(c_0_107,plain,
    ! [X129] :
      ( ssList(tl(X129))
      | nil = X129
      | ~ ssList(X129) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_101])])]) ).

fof(c_0_108,plain,
    ! [X91,X92,X93,X94,X95,X96] :
      ( ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | esk35_1(X91) = esk36_1(X91) )
      & ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | app(app(esk37_1(X91),cons(esk35_1(X91),esk38_1(X91))),cons(esk36_1(X91),esk39_1(X91))) = X91 )
      & ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | ssList(esk39_1(X91)) )
      & ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | ssList(esk38_1(X91)) )
      & ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | ssList(esk37_1(X91)) )
      & ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | ssItem(esk36_1(X91)) )
      & ( ~ ssList(X91)
        | duplicatefreeP(X91)
        | ssItem(esk35_1(X91)) )
      & ( ~ ssList(X91)
        | X92 != X93
        | app(app(X94,cons(X92,X95)),cons(X93,X96)) != X91
        | ~ ssList(X96)
        | ~ ssList(X95)
        | ~ ssList(X94)
        | ~ ssItem(X93)
        | ~ ssItem(X92)
        | ~ duplicatefreeP(X91) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_102])])])])])]) ).

cnf(c_0_109,plain,
    ( ~ ssList(X1)
    | cons(hd(X1),tl(X1)) = X1
    | nil = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_103]) ).

cnf(c_0_110,negated_conjecture,
    ( esk54_0 = nil
    | hd(esk54_0) = hd(esk50_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_104,c_0_87]),c_0_88]),c_0_45])]) ).

cnf(c_0_111,negated_conjecture,
    ( ~ ssList(tl(esk54_0))
    | esk54_0 = nil
    | esk51_0 = nil
    | tl(esk54_0) = nil ),
    inference(spm,[status(thm)],[c_0_105,c_0_106]) ).

cnf(c_0_112,plain,
    ( ~ ssList(X1)
    | ssList(tl(X1))
    | nil = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_107]) ).

cnf(c_0_113,plain,
    ( ~ ssList(X1)
    | X2 != X3
    | app(app(X4,cons(X2,X5)),cons(X3,X6)) != X1
    | ~ ssList(X6)
    | ~ ssList(X5)
    | ~ ssList(X4)
    | ~ ssItem(X3)
    | ~ ssItem(X2)
    | ~ duplicatefreeP(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_108]) ).

cnf(c_0_114,negated_conjecture,
    ( esk54_0 = nil
    | cons(hd(esk50_0),tl(esk54_0)) = esk54_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_109,c_0_110]),c_0_45])]) ).

cnf(c_0_115,negated_conjecture,
    ( esk51_0 = nil
    | esk54_0 = nil
    | tl(esk54_0) = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_111,c_0_112]),c_0_45])]) ).

fof(c_0_116,plain,
    ! [X207] :
      ( duplicatefreeP(cons(X207,nil))
      | ~ ssItem(X207) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax71])])]) ).

cnf(c_0_117,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | ~ ssList(X3)
    | ~ ssList(X4)
    | ~ ssList(app(app(X1,cons(X2,X3)),cons(X2,X4)))
    | ~ duplicatefreeP(app(app(X1,cons(X2,X3)),cons(X2,X4))) ),
    inference(er,[status(thm)],[inference(er,[status(thm)],[c_0_113])]) ).

cnf(c_0_118,negated_conjecture,
    ( esk54_0 = nil
    | esk51_0 = nil
    | cons(hd(esk50_0),nil) = esk54_0 ),
    inference(spm,[status(thm)],[c_0_114,c_0_115]) ).

cnf(c_0_119,negated_conjecture,
    ( esk50_0 = nil
    | esk51_0 = nil
    | cons(hd(esk50_0),nil) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_109,c_0_106]),c_0_77])]) ).

cnf(c_0_120,negated_conjecture,
    ( esk50_0 != nil
    | esk54_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_97,c_0_87]),c_0_88]),c_0_45])]) ).

cnf(c_0_121,plain,
    ( ~ ssItem(X1)
    | duplicatefreeP(cons(X1,nil)) ),
    inference(split_conjunct,[status(thm)],[c_0_116]) ).

cnf(c_0_122,negated_conjecture,
    ( ~ ssList(X1)
    | ~ ssList(cons(esk52_0,esk55_0))
    | ~ ssList(app(esk50_0,cons(esk52_0,X1)))
    | ~ duplicatefreeP(app(esk50_0,cons(esk52_0,X1))) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_117,c_0_68]),c_0_45]),c_0_39])]) ).

cnf(c_0_123,negated_conjecture,
    ( esk54_0 = esk50_0
    | esk51_0 = nil
    | esk54_0 = nil ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_118,c_0_119]),c_0_120]) ).

cnf(c_0_124,plain,
    ( ~ ssList(X1)
    | ~ singletonP(X1)
    | duplicatefreeP(X1) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_121,c_0_90]),c_0_91]) ).

cnf(c_0_125,negated_conjecture,
    ( ~ ssList(X1)
    | ~ ssList(app(esk50_0,cons(esk52_0,X1)))
    | ~ duplicatefreeP(app(esk50_0,cons(esk52_0,X1))) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_122,c_0_48]),c_0_55]),c_0_39])]) ).

cnf(c_0_126,negated_conjecture,
    ( esk54_0 = nil
    | esk51_0 = nil
    | app(esk50_0,cons(esk52_0,cons(esk52_0,esk55_0))) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_68,c_0_123]) ).

cnf(c_0_127,negated_conjecture,
    ( duplicatefreeP(esk50_0)
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_124,c_0_100]),c_0_77])]) ).

cnf(c_0_128,negated_conjecture,
    ( ~ ssList(cons(esk52_0,esk55_0))
    | esk51_0 = nil
    | esk54_0 = nil ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_125,c_0_126]),c_0_77])]),c_0_127]) ).

fof(c_0_129,plain,
    ! [X137] :
      ( app(nil,X137) = X137
      | ~ ssList(X137) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax28])])]) ).

cnf(c_0_130,negated_conjecture,
    ( esk54_0 = nil
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_128,c_0_48]),c_0_55]),c_0_39])]) ).

fof(c_0_131,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => nil != cons(X2,X1) ) ),
    inference(fof_simplification,[status(thm)],[ax21]) ).

cnf(c_0_132,plain,
    ( ~ ssList(X1)
    | app(nil,X1) = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_129]) ).

cnf(c_0_133,negated_conjecture,
    ( esk51_0 = nil
    | app(nil,cons(esk52_0,cons(esk52_0,esk55_0))) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_68,c_0_130]) ).

fof(c_0_134,plain,
    ! [X124,X125] :
      ( nil != cons(X125,X124)
      | ~ ssItem(X125)
      | ~ ssList(X124) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_131])])])]) ).

cnf(c_0_135,negated_conjecture,
    ( ~ ssList(cons(esk52_0,cons(esk52_0,esk55_0)))
    | esk51_0 = nil
    | cons(esk52_0,cons(esk52_0,esk55_0)) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_132,c_0_133]) ).

cnf(c_0_136,plain,
    ( nil != cons(X2,X1)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_134]) ).

fof(c_0_137,plain,
    ! [X127,X128] :
      ( hd(cons(X128,X127)) = X128
      | ~ ssItem(X128)
      | ~ ssList(X127) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax23])])])]) ).

cnf(c_0_138,negated_conjecture,
    ( ~ ssList(cons(esk52_0,esk55_0))
    | esk51_0 = nil
    | cons(esk52_0,cons(esk52_0,esk55_0)) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_135,c_0_48]),c_0_39])]) ).

cnf(c_0_139,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X2)
    | cons(hd(cons(X1,X2)),X2) = cons(X1,X2) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_109,c_0_89]),c_0_48]),c_0_136]) ).

cnf(c_0_140,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | hd(cons(X2,X1)) = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_137]) ).

cnf(c_0_141,negated_conjecture,
    ( esk51_0 = nil
    | cons(esk52_0,cons(esk52_0,esk55_0)) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_138,c_0_48]),c_0_55]),c_0_39])]) ).

cnf(c_0_142,plain,
    ( ~ ssList(X1)
    | ~ singletonP(X1)
    | cons(hd(X1),nil) = X1 ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_139,c_0_90]),c_0_49])]),c_0_91]) ).

cnf(c_0_143,negated_conjecture,
    ( ~ ssList(cons(esk52_0,esk55_0))
    | esk51_0 = nil
    | hd(esk50_0) = esk52_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_140,c_0_141]),c_0_39])]) ).

cnf(c_0_144,negated_conjecture,
    ( esk51_0 = nil
    | cons(hd(esk50_0),nil) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_142,c_0_100]),c_0_77])]) ).

cnf(c_0_145,negated_conjecture,
    ( esk51_0 = nil
    | hd(esk50_0) = esk52_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_143,c_0_48]),c_0_55]),c_0_39])]) ).

cnf(c_0_146,negated_conjecture,
    ( esk51_0 = nil
    | cons(esk52_0,nil) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_144,c_0_145]) ).

fof(c_0_147,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) != X1 ) ),
    inference(fof_simplification,[status(thm)],[ax18]) ).

fof(c_0_148,plain,
    ! [X219,X220,X221] :
      ( X221 = X219
      | app(X220,X221) != app(X220,X219)
      | ~ ssList(X221)
      | ~ ssList(X220)
      | ~ ssList(X219) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax80])])])]) ).

fof(c_0_149,plain,
    ! [X229] :
      ( app(X229,nil) = X229
      | ~ ssList(X229) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax84])])]) ).

cnf(c_0_150,negated_conjecture,
    ( esk51_0 = nil
    | app(app(app(esk54_0,esk50_0),esk50_0),esk55_0) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_43,c_0_146]) ).

cnf(c_0_151,negated_conjecture,
    ( esk51_0 = nil
    | app(esk54_0,esk50_0) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_68,c_0_141]) ).

fof(c_0_152,plain,
    ! [X115,X116] :
      ( cons(X116,X115) != X115
      | ~ ssItem(X116)
      | ~ ssList(X115) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_147])])])]) ).

fof(c_0_153,plain,
    ! [X30,X31,X34,X35] :
      ( ( ~ ssList(X30)
        | ~ ssList(X31)
        | segmentP(X30,X31)
        | app(app(X34,X31),X35) != X30
        | ~ ssList(X35)
        | ~ ssList(X34) )
      & ( ~ ssList(X30)
        | ~ ssList(X31)
        | ~ segmentP(X30,X31)
        | app(app(esk8_2(X30,X31),X31),esk9_2(X30,X31)) = X30 )
      & ( ~ ssList(X30)
        | ~ ssList(X31)
        | ~ segmentP(X30,X31)
        | ssList(esk9_2(X30,X31)) )
      & ( ~ ssList(X30)
        | ~ ssList(X31)
        | ~ segmentP(X30,X31)
        | ssList(esk8_2(X30,X31)) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax7])])])])])]) ).

cnf(c_0_154,plain,
    ( app(X2,X3) != app(X2,X1)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | X3 = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_148]) ).

cnf(c_0_155,plain,
    ( ~ ssList(X1)
    | app(X1,nil) = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_149]) ).

cnf(c_0_156,negated_conjecture,
    ( esk51_0 = nil
    | app(app(esk50_0,esk50_0),esk55_0) = esk50_0 ),
    inference(spm,[status(thm)],[c_0_150,c_0_151]) ).

cnf(c_0_157,plain,
    ( cons(X2,X1) != X1
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_152]) ).

cnf(c_0_158,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X2)
    | cons(X1,tl(cons(X1,X2))) = cons(X1,X2) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_109,c_0_140]),c_0_48]),c_0_136]) ).

cnf(c_0_159,plain,
    ( ~ ssList(X4)
    | ~ ssList(X3)
    | app(app(X1,X3),X2) != X4
    | ~ ssList(X2)
    | ~ ssList(X1)
    | segmentP(X4,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_153]) ).

cnf(c_0_160,plain,
    ( ~ ssList(X1)
    | ~ ssList(X2)
    | app(X2,X1) != X2
    | X1 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_154,c_0_155]),c_0_49])]) ).

cnf(c_0_161,negated_conjecture,
    ( esk51_0 = nil
    | app(esk50_0,app(esk50_0,esk55_0)) = esk50_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_156]),c_0_55]),c_0_77])]) ).

cnf(c_0_162,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X2)
    | ~ ssList(tl(cons(X1,X2)))
    | tl(cons(X1,X2)) != cons(X1,X2) ),
    inference(spm,[status(thm)],[c_0_157,c_0_158]) ).

cnf(c_0_163,plain,
    ( ~ ssList(X1)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ ssList(app(app(X1,X2),X3))
    | segmentP(app(app(X1,X2),X3),X2) ),
    inference(er,[status(thm)],[c_0_159]) ).

fof(c_0_164,plain,
    ! [X189,X190] :
      ( X189 = X190
      | ~ segmentP(X190,X189)
      | ~ segmentP(X189,X190)
      | ~ ssList(X190)
      | ~ ssList(X189) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax54])])])]) ).

cnf(c_0_165,negated_conjecture,
    ( ~ ssList(app(esk50_0,esk55_0))
    | esk51_0 = nil
    | app(esk50_0,esk55_0) = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_160,c_0_161]),c_0_77])]) ).

cnf(c_0_166,plain,
    ( ~ ssList(X1)
    | ~ ssList(tl(X1))
    | ~ singletonP(X1)
    | tl(X1) != X1 ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_162,c_0_90]),c_0_49])]),c_0_91]) ).

cnf(c_0_167,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | ~ ssList(app(esk54_0,cons(esk52_0,nil)))
    | segmentP(esk50_0,cons(esk52_0,nil)) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_163,c_0_40]),c_0_77]),c_0_55])]),c_0_41]),c_0_41]) ).

cnf(c_0_168,plain,
    ( ~ segmentP(X2,X1)
    | ~ segmentP(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_164]) ).

cnf(c_0_169,negated_conjecture,
    segmentP(esk51_0,esk50_0),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_170,negated_conjecture,
    ( esk51_0 = nil
    | app(esk50_0,esk55_0) = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_165,c_0_65]),c_0_55]),c_0_77])]) ).

cnf(c_0_171,negated_conjecture,
    ( esk50_0 != nil
    | esk51_0 = nil ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_166,c_0_106]),c_0_49]),c_0_77])]),c_0_100]) ).

cnf(c_0_172,negated_conjecture,
    ( ~ ssList(app(esk54_0,cons(esk52_0,nil)))
    | segmentP(esk50_0,cons(esk52_0,nil)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_167,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_173,negated_conjecture,
    ( ~ segmentP(esk50_0,esk51_0)
    | esk50_0 = esk51_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_168,c_0_169]),c_0_94]),c_0_77])]) ).

cnf(c_0_174,negated_conjecture,
    esk51_0 = nil,
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_97,c_0_170]),c_0_55]),c_0_77])]),c_0_171]) ).

fof(c_0_175,plain,
    ! [X196] :
      ( segmentP(X196,nil)
      | ~ ssList(X196) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax57])])]) ).

cnf(c_0_176,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | segmentP(esk50_0,cons(esk52_0,nil)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_172,c_0_65]),c_0_45])]) ).

cnf(c_0_177,negated_conjecture,
    ( ~ segmentP(esk50_0,nil)
    | esk50_0 = nil ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_173,c_0_174]),c_0_174]) ).

cnf(c_0_178,plain,
    ( ~ ssList(X1)
    | segmentP(X1,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_175]) ).

fof(c_0_179,plain,
    ! [X197] :
      ( ( ~ ssList(X197)
        | segmentP(nil,X197)
        | nil != X197 )
      & ( ~ ssList(X197)
        | nil = X197
        | ~ segmentP(nil,X197) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax58])])])]) ).

cnf(c_0_180,negated_conjecture,
    segmentP(esk50_0,cons(esk52_0,nil)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_176,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_181,negated_conjecture,
    esk50_0 = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_177,c_0_178]),c_0_77])]) ).

cnf(c_0_182,plain,
    ( ~ ssList(X1)
    | ~ segmentP(nil,X1)
    | nil = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_179]) ).

cnf(c_0_183,negated_conjecture,
    segmentP(nil,cons(esk52_0,nil)),
    inference(rw,[status(thm)],[c_0_180,c_0_181]) ).

cnf(c_0_184,negated_conjecture,
    ( ~ ssList(cons(esk52_0,nil))
    | cons(esk52_0,nil) = nil ),
    inference(spm,[status(thm)],[c_0_182,c_0_183]) ).

cnf(c_0_185,negated_conjecture,
    cons(esk52_0,nil) = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_184,c_0_48]),c_0_49]),c_0_39])]) ).

cnf(c_0_186,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_136,c_0_185]),c_0_49]),c_0_39])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : SWC170+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.08  % Command  : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.20/0.46  % Computer : n016.cluster.edu
% 0.20/0.46  % Model    : x86_64 x86_64
% 0.20/0.46  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.20/0.46  % Memory   : 8046.5625MB
% 0.20/0.46  % OS       : Linux 6.8.0-71-generic
% 0.20/0.46  % CPULimit : 300
% 0.20/0.46  % WCLimit  : 300
% 0.20/0.46  % DateTime : Mon Sep 21 08:05:53 UTC 2026
% 0.20/0.47  % CPUTime  : 
% 0.20/0.47  Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.24/0.55  Running first-order theorem proving
% 0.24/0.56  Running: /export/starexec/sandbox/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.69/0.87  % Version: 3.5.1
% 0.69/0.87  % Preprocessing class: FSLSSMSSSSSNFFN.
% 0.69/0.87  % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.69/0.87  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.69/0.87  % Starting new_bool_3 with 300s (1) cores
% 0.69/0.87  % Starting new_bool_1 with 300s (1) cores
% 0.69/0.87  % Starting sh5l with 300s (1) cores
% 0.69/0.87  % G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with pid 1969593 completed with status 0
% 0.69/0.87  % Result found by G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S
% 0.69/0.87  % Preprocessing class: FSLSSMSSSSSNFFN.
% 0.69/0.87  % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.69/0.87  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.69/0.87  % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.69/0.87  % No SInE strategy applied
% 0.69/0.87  % Search class: FGHSF-FSLM21-MFFFFFNN
% 0.69/0.87  % Scheduled 11 strats onto 5 cores with 1500 seconds (1500 total)
% 0.69/0.87  % Starting SubtermCWHack with 136s (1) cores
% 0.69/0.87  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 151s (1) cores
% 0.69/0.87  % Starting G-E--_008_C45_F1_PI_AE_Q4_CS_SP_S4d with 136s (1) cores
% 0.69/0.87  % Starting G-E--_110_C45_F1_PI_SE_CS_SP_PS_S4S with 136s (1) cores
% 0.69/0.87  % Starting G-E--_208_C18_F1_SE_CS_SP_PS_TT_S0Y with 136s (1) cores
% 0.69/0.87  % G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with pid 1969601 completed with status 0
% 0.69/0.87  % Result found by G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S
% 0.69/0.87  % Preprocessing class: FSLSSMSSSSSNFFN.
% 0.69/0.87  % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.69/0.87  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.69/0.87  % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.69/0.87  % No SInE strategy applied
% 0.69/0.87  % Search class: FGHSF-FSLM21-MFFFFFNN
% 0.69/0.87  % Scheduled 11 strats onto 5 cores with 1500 seconds (1500 total)
% 0.69/0.87  % Starting SubtermCWHack with 136s (1) cores
% 0.69/0.87  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 151s (1) cores
% 0.69/0.87  % Preprocessing time       : 0.006 s
% 0.69/0.87  % Presaturation interreduction done
% 0.69/0.87  
% 0.69/0.87  % Proof found!
% 0.69/0.87  % SZS status Theorem
% 0.69/0.87  % SZS output start CNFRefutation
% See solution above
% 0.69/0.87  % Parsed axioms                        : 96
% 0.69/0.87  % Removed by relevancy pruning/SinE    : 0
% 0.69/0.87  % Initial clauses                      : 204
% 0.69/0.87  % Removed in clause preprocessing      : 2
% 0.69/0.87  % Initial clauses in saturation        : 202
% 0.69/0.87  % Processed clauses                    : 1151
% 0.69/0.87  % ...of these trivial                  : 17
% 0.69/0.87  % ...subsumed                          : 328
% 0.69/0.87  % ...remaining for further processing  : 806
% 0.69/0.87  % Other redundant clauses eliminated   : 70
% 0.69/0.87  % Clauses deleted for lack of memory   : 0
% 0.69/0.87  % Backward-subsumed                    : 86
% 0.69/0.87  % Backward-rewritten                   : 230
% 0.69/0.87  % Generated clauses                    : 3027
% 0.69/0.87  % ...of the previous two non-redundant : 2735
% 0.69/0.87  % ...aggressively subsumed             : 0
% 0.69/0.87  % Contextual simplify-reflections      : 84
% 0.69/0.87  % Paramodulations                      : 2953
% 0.69/0.87  % Factorizations                       : 1
% 0.69/0.87  % NegExts                              : 0
% 0.69/0.87  % Equation resolutions                 : 75
% 0.69/0.87  % Disequality decompositions           : 0
% 0.69/0.87  % Total rewrite steps                  : 3009
% 0.69/0.87  % ...of those cached                   : 2943
% 0.69/0.87  % Propositional unsat checks           : 0
% 0.69/0.87  %    Propositional check models        : 0
% 0.69/0.87  %    Propositional check unsatisfiable : 0
% 0.69/0.87  %    Propositional clauses             : 0
% 0.69/0.87  %    Propositional clauses after purity: 0
% 0.69/0.87  %    Propositional unsat core size     : 0
% 0.69/0.87  %    Propositional preprocessing time  : 0.000
% 0.69/0.87  %    Propositional encoding time       : 0.000
% 0.69/0.87  %    Propositional solver time         : 0.000
% 0.69/0.87  %    Success case prop preproc time    : 0.000
% 0.69/0.87  %    Success case prop encoding time   : 0.000
% 0.69/0.87  %    Success case prop solver time     : 0.000
% 0.69/0.87  % Current number of processed clauses  : 271
% 0.69/0.87  %    Positive orientable unit clauses  : 41
% 0.69/0.87  %    Positive unorientable unit clauses: 0
% 0.69/0.87  %    Negative unit clauses             : 4
% 0.69/0.87  %    Non-unit-clauses                  : 226
% 0.69/0.87  % Current number of unprocessed clauses: 1939
% 0.69/0.87  % ...number of literals in the above   : 9938
% 0.69/0.87  % Current number of archived formulas  : 0
% 0.69/0.87  % Current number of archived clauses   : 512
% 0.69/0.87  % Clause-clause subsumption calls (NU) : 35942
% 0.69/0.87  % Rec. Clause-clause subsumption calls : 13642
% 0.69/0.87  % Non-unit clause-clause subsumptions  : 469
% 0.69/0.87  % Unit Clause-clause subsumption calls : 857
% 0.69/0.87  % Rewrite failures with RHS unbound    : 0
% 0.69/0.87  % BW rewrite match attempts            : 52
% 0.69/0.87  % BW rewrite match successes           : 28
% 0.69/0.87  % Condensation attempts                : 0
% 0.69/0.87  % Condensation successes               : 0
% 0.69/0.87  % Termbank termtop insertions          : 77413
% 0.69/0.87  % Search garbage collected termcells   : 4307
% 0.69/0.87  
% 0.69/0.87  % -------------------------------------------------
% 0.69/0.87  % User time                : 0.219 s
% 0.69/0.87  % System time              : 0.018 s
% 0.69/0.87  % Total time               : 0.237 s
% 0.69/0.87  % Maximum resident set size: 3972 pages
% 0.69/0.87  
% 0.69/0.87  % -------------------------------------------------
% 0.69/0.87  % User time                : 0.847 s
% 0.69/0.87  % System time              : 0.047 s
% 0.69/0.87  % Total time               : 0.894 s
% 0.69/0.87  % Maximum resident set size: 4608 pages
% 0.69/0.87  % E exiting
%------------------------------------------------------------------------------