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E---3.5.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : E---3.5.1
% Problem  : SWC021+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 : n014.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 02:42:39 PM UTC 2026

% Result   : Theorem 0.86s 0.75s
% Output   : CNFRefutation 0.86s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   74 (  12 unt;   0 def)
%            Number of atoms       :  306 (  75 equ)
%            Maximal formula atoms :   19 (   4 avg)
%            Number of connectives :  384 ( 152   ~; 146   |;  45   &)
%                                         (   4 <=>;  37  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   5 con; 0-2 aty)
%            Number of variables   :  115 (   0 sgn  61   !;   9   ?)

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

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

fof(ax42,axiom,
    ! [X1] :
      ( ssList(X1)
     => frontsegP(X1,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax42) ).

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

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

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

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(ax68,axiom,
    ! [X1] :
      ( ssItem(X1)
     => strictorderedP(cons(X1,nil)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax68) ).

fof(ax20,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( ? [X2] :
            ( ? [X3] :
                ( cons(X3,X2) = X1
                & ssItem(X3) )
            & ssList(X2) )
        | nil = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax20) ).

fof(c_0_14,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( ( nil = X1
                        & nil = X2 )
                      | ? [X6] :
                          ( strictorderedP(X6)
                          & segmentP(X6,X3)
                          & frontsegP(X4,X6)
                          & neq(X3,X6)
                          & ssList(X6) )
                      | ? [X5] :
                          ( frontsegP(X1,X5)
                          & frontsegP(X2,X5)
                          & neq(X5,nil)
                          & ssList(X5) )
                      | ~ strictorderedP(X3)
                      | ~ frontsegP(X4,X3)
                      | X1 != X3
                      | X2 != X4 ) ) ) ) ),
    inference(assume_negation,[status(cth)],[co1]) ).

fof(c_0_15,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( ( nil = X1
                        & nil = X2 )
                      | ? [X6] :
                          ( strictorderedP(X6)
                          & segmentP(X6,X3)
                          & frontsegP(X4,X6)
                          & neq(X3,X6)
                          & ssList(X6) )
                      | ? [X5] :
                          ( frontsegP(X1,X5)
                          & frontsegP(X2,X5)
                          & neq(X5,nil)
                          & ssList(X5) )
                      | ~ strictorderedP(X3)
                      | ~ frontsegP(X4,X3)
                      | X1 != X3
                      | X2 != X4 ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[c_0_14]) ).

fof(c_0_16,negated_conjecture,
    ! [X11,X12] :
      ( ( nil != esk1_0
        | nil != esk2_0 )
      & ( ~ strictorderedP(X12)
        | ~ segmentP(X12,esk3_0)
        | ~ frontsegP(esk4_0,X12)
        | ~ neq(esk3_0,X12)
        | ~ ssList(X12) )
      & ( ~ frontsegP(esk1_0,X11)
        | ~ frontsegP(esk2_0,X11)
        | ~ neq(X11,nil)
        | ~ ssList(X11) )
      & strictorderedP(esk3_0)
      & frontsegP(esk4_0,esk3_0)
      & esk1_0 = esk3_0
      & esk2_0 = esk4_0
      & ssList(esk4_0)
      & ssList(esk3_0)
      & ssList(esk2_0)
      & ssList(esk1_0) ),
    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_15])])])])]) ).

fof(c_0_17,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    inference(fof_simplification,[status(thm)],[ax15]) ).

cnf(c_0_18,negated_conjecture,
    ( ~ frontsegP(esk1_0,X1)
    | ~ frontsegP(esk2_0,X1)
    | ~ neq(X1,nil)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_19,negated_conjecture,
    esk1_0 = esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_20,negated_conjecture,
    esk2_0 = esk4_0,
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

fof(c_0_21,plain,
    ! [X71,X72] :
      ( ( ~ ssList(X71)
        | ~ ssList(X72)
        | neq(X71,X72)
        | X71 = X72 )
      & ( ~ ssList(X71)
        | ~ ssList(X72)
        | X71 != X72
        | ~ neq(X71,X72) ) ),
    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_17])])])])]) ).

cnf(c_0_22,negated_conjecture,
    ( ~ neq(X1,nil)
    | ~ ssList(X1)
    | ~ frontsegP(esk4_0,X1)
    | ~ frontsegP(esk3_0,X1) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_18,c_0_19]),c_0_20]) ).

cnf(c_0_23,plain,
    ( ~ ssList(X1)
    | ~ ssList(X2)
    | neq(X1,X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_24,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

cnf(c_0_25,negated_conjecture,
    ( ~ ssList(X1)
    | ~ frontsegP(esk4_0,X1)
    | ~ frontsegP(esk3_0,X1)
    | X1 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_22,c_0_23]),c_0_24])]) ).

cnf(c_0_26,negated_conjecture,
    frontsegP(esk4_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_27,negated_conjecture,
    ssList(esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

fof(c_0_28,plain,
    ! [X59] :
      ( frontsegP(X59,X59)
      | ~ ssList(X59) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax42])])]) ).

cnf(c_0_29,negated_conjecture,
    ( ~ frontsegP(esk3_0,esk3_0)
    | esk3_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_27])]) ).

cnf(c_0_30,plain,
    ( ~ ssList(X1)
    | frontsegP(X1,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

fof(c_0_31,plain,
    ! [X48] :
      ( segmentP(X48,nil)
      | ~ ssList(X48) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax57])])]) ).

fof(c_0_32,plain,
    ! [X50,X51,X53] :
      ( ( ~ ssList(X50)
        | ~ ssList(X51)
        | frontsegP(X50,X51)
        | app(X51,X53) != X50
        | ~ ssList(X53) )
      & ( ~ ssList(X50)
        | ~ ssList(X51)
        | ~ frontsegP(X50,X51)
        | app(X51,esk14_2(X50,X51)) = X50 )
      & ( ~ ssList(X50)
        | ~ ssList(X51)
        | ~ frontsegP(X50,X51)
        | ssList(esk14_2(X50,X51)) ) ),
    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_33,plain,
    ! [X101,X102] :
      ( ssList(app(X101,X102))
      | ~ ssList(X102)
      | ~ ssList(X101) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax26])])])]) ).

fof(c_0_34,plain,
    ! [X113,X114] :
      ( ( ~ ssList(X113)
        | ~ ssList(X114)
        | nil = app(X113,X114)
        | nil != X113
        | nil != X114 )
      & ( ~ ssList(X113)
        | ~ ssList(X114)
        | nil != app(X113,X114)
        | nil = X113 )
      & ( ~ ssList(X113)
        | ~ ssList(X114)
        | nil != app(X113,X114)
        | nil = X114 ) ),
    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])])])])]) ).

fof(c_0_35,plain,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => nil != cons(X2,X1) ) ),
    inference(fof_simplification,[status(thm)],[ax21]) ).

cnf(c_0_36,negated_conjecture,
    ( ~ strictorderedP(X1)
    | ~ segmentP(X1,esk3_0)
    | ~ frontsegP(esk4_0,X1)
    | ~ neq(esk3_0,X1)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_37,negated_conjecture,
    esk3_0 = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_27])]) ).

cnf(c_0_38,plain,
    ( ~ ssList(X1)
    | segmentP(X1,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_31]) ).

cnf(c_0_39,plain,
    ( ~ ssList(X3)
    | ~ ssList(X2)
    | app(X2,X1) != X3
    | ~ ssList(X1)
    | frontsegP(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_40,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | ssList(app(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

fof(c_0_41,plain,
    ! [X84,X85] :
      ( cons(X85,X84) = app(cons(X85,nil),X84)
      | ~ ssItem(X85)
      | ~ ssList(X84) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax81])])])]) ).

fof(c_0_42,plain,
    ! [X73,X74] :
      ( ssList(cons(X74,X73))
      | ~ ssItem(X74)
      | ~ ssList(X73) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax16])])])]) ).

fof(c_0_43,plain,
    ! [X81,X82,X83] :
      ( cons(X83,app(X82,X81)) = app(cons(X83,X82),X81)
      | ~ ssItem(X83)
      | ~ ssList(X82)
      | ~ ssList(X81) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax27])])])]) ).

cnf(c_0_44,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | nil != X2
    | nil != X1
    | nil = app(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_34]) ).

fof(c_0_45,plain,
    ! [X16,X17] :
      ( nil != cons(X17,X16)
      | ~ ssItem(X17)
      | ~ ssList(X16) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_35])])])]) ).

cnf(c_0_46,negated_conjecture,
    ( ~ neq(nil,X1)
    | ~ ssList(X1)
    | ~ frontsegP(esk4_0,X1)
    | ~ strictorderedP(X1) ),
    inference(csr,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_36,c_0_37]),c_0_37]),c_0_38]) ).

fof(c_0_47,plain,
    ! [X29] :
      ( strictorderedP(cons(X29,nil))
      | ~ ssItem(X29) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax68])])]) ).

cnf(c_0_48,plain,
    ( ~ ssList(X2)
    | ~ ssList(X1)
    | frontsegP(app(X1,X2),X1) ),
    inference(csr,[status(thm)],[inference(er,[status(thm)],[c_0_39]),c_0_40]) ).

cnf(c_0_49,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | cons(X2,X1) = app(cons(X2,nil),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_41]) ).

fof(c_0_50,plain,
    ! [X13] :
      ( ( ~ ssList(X13)
        | nil = X13
        | cons(esk6_1(X13),esk5_1(X13)) = X13 )
      & ( ~ ssList(X13)
        | nil = X13
        | ssItem(esk6_1(X13)) )
      & ( ~ ssList(X13)
        | nil = X13
        | ssList(esk5_1(X13)) ) ),
    inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax20])])])])]) ).

cnf(c_0_51,negated_conjecture,
    ( nil != esk1_0
    | nil != esk2_0 ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_52,plain,
    ( ~ ssItem(X2)
    | ~ ssList(X1)
    | ssList(cons(X2,X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_42]) ).

cnf(c_0_53,plain,
    ( ~ ssItem(X3)
    | ~ ssList(X2)
    | ~ ssList(X1)
    | cons(X3,app(X2,X1)) = app(cons(X3,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_43]) ).

cnf(c_0_54,plain,
    app(nil,nil) = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(er,[status(thm)],[c_0_44])]),c_0_24])]) ).

cnf(c_0_55,plain,
    ( nil != cons(X2,X1)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_45]) ).

cnf(c_0_56,negated_conjecture,
    ( ~ ssList(X1)
    | ~ frontsegP(esk4_0,X1)
    | ~ strictorderedP(X1)
    | nil = X1 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_46,c_0_23]),c_0_24])]) ).

cnf(c_0_57,plain,
    ( ~ ssItem(X1)
    | strictorderedP(cons(X1,nil)) ),
    inference(split_conjunct,[status(thm)],[c_0_47]) ).

cnf(c_0_58,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X2)
    | ~ ssList(cons(X1,nil))
    | frontsegP(cons(X1,X2),cons(X1,nil)) ),
    inference(spm,[status(thm)],[c_0_48,c_0_49]) ).

cnf(c_0_59,plain,
    ( ~ ssList(X1)
    | nil = X1
    | cons(esk6_1(X1),esk5_1(X1)) = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

cnf(c_0_60,plain,
    ( ~ ssList(X1)
    | nil = X1
    | ssItem(esk6_1(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

cnf(c_0_61,plain,
    ( ~ ssList(X1)
    | nil = X1
    | ssList(esk5_1(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

cnf(c_0_62,negated_conjecture,
    ( esk4_0 != nil
    | esk3_0 != nil ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_51,c_0_19]),c_0_20]) ).

cnf(c_0_63,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ssList(app(cons(X1,X2),X3)) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_53]),c_0_40]) ).

cnf(c_0_64,plain,
    ( ~ ssItem(X1)
    | app(cons(X1,nil),nil) = cons(X1,nil) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_54]),c_0_24])]) ).

cnf(c_0_65,plain,
    ( ~ ssItem(X1)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | app(cons(X1,X2),X3) != nil ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_55,c_0_53]),c_0_40]) ).

cnf(c_0_66,negated_conjecture,
    ( ~ ssItem(X1)
    | ~ ssList(cons(X1,nil))
    | ~ frontsegP(esk4_0,cons(X1,nil))
    | cons(X1,nil) = nil ),
    inference(spm,[status(thm)],[c_0_56,c_0_57]) ).

cnf(c_0_67,plain,
    ( ~ ssList(X1)
    | ~ ssList(cons(esk6_1(X1),nil))
    | frontsegP(X1,cons(esk6_1(X1),nil))
    | nil = X1 ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_58,c_0_59]),c_0_60]),c_0_61]) ).

cnf(c_0_68,negated_conjecture,
    ssList(esk4_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_69,negated_conjecture,
    esk4_0 != nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_62,c_0_37])]) ).

cnf(c_0_70,plain,
    ( ~ ssItem(X1)
    | ssList(cons(X1,nil)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_63,c_0_64]),c_0_24])]) ).

cnf(c_0_71,plain,
    ( ~ ssItem(X1)
    | cons(X1,nil) != nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_65,c_0_64]),c_0_24])]) ).

cnf(c_0_72,negated_conjecture,
    ~ ssItem(esk6_1(esk4_0)),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_66,c_0_67]),c_0_68])]),c_0_69]),c_0_70]),c_0_71]) ).

cnf(c_0_73,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_72,c_0_60]),c_0_68])]),c_0_69]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : SWC021+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.08  % Command  : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.19/0.46  % Computer : n014.cluster.edu
% 0.19/0.46  % Model    : x86_64 x86_64
% 0.19/0.46  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.46  % Memory   : 8046.5625MB
% 0.19/0.46  % OS       : Linux 6.8.0-71-generic
% 0.19/0.46  % CPULimit : 300
% 0.19/0.46  % WCLimit  : 300
% 0.19/0.46  % DateTime : Mon Sep 21 07:49:34 UTC 2026
% 0.19/0.47  % CPUTime  : 
% 0.19/0.47  Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.19/0.53  Running first-order theorem proving
% 0.19/0.53  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
% 0.86/0.75  % Version: 3.5.1
% 0.86/0.75  % Preprocessing class: FSLSSMSSSSSNFFN.
% 0.86/0.75  % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.86/0.75  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.86/0.75  % Starting new_bool_3 with 300s (1) cores
% 0.86/0.75  % Starting new_bool_1 with 300s (1) cores
% 0.86/0.75  % Starting sh5l with 300s (1) cores
% 0.86/0.75  % new_bool_1 with pid 3566757 completed with status 0
% 0.86/0.75  % Result found by new_bool_1
% 0.86/0.75  % Preprocessing class: FSLSSMSSSSSNFFN.
% 0.86/0.75  % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.86/0.75  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.86/0.75  % Starting new_bool_3 with 300s (1) cores
% 0.86/0.75  % Starting new_bool_1 with 300s (1) cores
% 0.86/0.75  % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.86/0.75  % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.86/0.75  % Search class: FGHSF-FFMM21-MFFFFFNN
% 0.86/0.75  % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.86/0.75  % Starting SubtermCWHack with 31s (1) cores
% 0.86/0.75  % SubtermCWHack with pid 3566760 completed with status 0
% 0.86/0.75  % Result found by SubtermCWHack
% 0.86/0.75  % Preprocessing class: FSLSSMSSSSSNFFN.
% 0.86/0.75  % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.86/0.75  % Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.86/0.75  % Starting new_bool_3 with 300s (1) cores
% 0.86/0.75  % Starting new_bool_1 with 300s (1) cores
% 0.86/0.75  % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.86/0.75  % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.86/0.75  % Search class: FGHSF-FFMM21-MFFFFFNN
% 0.86/0.75  % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.86/0.75  % Starting SubtermCWHack with 31s (1) cores
% 0.86/0.75  % Preprocessing time       : 0.003 s
% 0.86/0.75  
% 0.86/0.75  % Proof found!
% 0.86/0.75  % SZS status Theorem
% 0.86/0.75  % SZS output start CNFRefutation
% See solution above
% 0.86/0.75  % Parsed axioms                        : 96
% 0.86/0.75  % Removed by relevancy pruning/SinE    : 39
% 0.86/0.75  % Initial clauses                      : 100
% 0.86/0.75  % Removed in clause preprocessing      : 1
% 0.86/0.75  % Initial clauses in saturation        : 99
% 0.86/0.75  % Processed clauses                    : 984
% 0.86/0.75  % ...of these trivial                  : 0
% 0.86/0.75  % ...subsumed                          : 689
% 0.86/0.75  % ...remaining for further processing  : 295
% 0.86/0.75  % Other redundant clauses eliminated   : 73
% 0.86/0.75  % Clauses deleted for lack of memory   : 0
% 0.86/0.75  % Backward-subsumed                    : 13
% 0.86/0.75  % Backward-rewritten                   : 12
% 0.86/0.75  % Generated clauses                    : 3664
% 0.86/0.75  % ...of the previous two non-redundant : 3160
% 0.86/0.75  % ...aggressively subsumed             : 0
% 0.86/0.75  % Contextual simplify-reflections      : 102
% 0.86/0.75  % Paramodulations                      : 3579
% 0.86/0.75  % Factorizations                       : 0
% 0.86/0.75  % NegExts                              : 0
% 0.86/0.75  % Equation resolutions                 : 86
% 0.86/0.75  % Disequality decompositions           : 0
% 0.86/0.75  % Total rewrite steps                  : 2055
% 0.86/0.75  % ...of those cached                   : 2045
% 0.86/0.75  % Propositional unsat checks           : 0
% 0.86/0.75  %    Propositional check models        : 0
% 0.86/0.75  %    Propositional check unsatisfiable : 0
% 0.86/0.75  %    Propositional clauses             : 0
% 0.86/0.75  %    Propositional clauses after purity: 0
% 0.86/0.75  %    Propositional unsat core size     : 0
% 0.86/0.75  %    Propositional preprocessing time  : 0.000
% 0.86/0.75  %    Propositional encoding time       : 0.000
% 0.86/0.75  %    Propositional solver time         : 0.000
% 0.86/0.75  %    Success case prop preproc time    : 0.000
% 0.86/0.75  %    Success case prop encoding time   : 0.000
% 0.86/0.75  %    Success case prop solver time     : 0.000
% 0.86/0.75  % Current number of processed clauses  : 259
% 0.86/0.75  %    Positive orientable unit clauses  : 13
% 0.86/0.75  %    Positive unorientable unit clauses: 0
% 0.86/0.75  %    Negative unit clauses             : 4
% 0.86/0.75  %    Non-unit-clauses                  : 242
% 0.86/0.75  % Current number of unprocessed clauses: 2221
% 0.86/0.75  % ...number of literals in the above   : 12394
% 0.86/0.75  % Current number of archived formulas  : 0
% 0.86/0.75  % Current number of archived clauses   : 25
% 0.86/0.75  % Clause-clause subsumption calls (NU) : 19319
% 0.86/0.75  % Rec. Clause-clause subsumption calls : 9273
% 0.86/0.75  % Non-unit clause-clause subsumptions  : 803
% 0.86/0.75  % Unit Clause-clause subsumption calls : 33
% 0.86/0.75  % Rewrite failures with RHS unbound    : 0
% 0.86/0.75  % BW rewrite match attempts            : 4
% 0.86/0.75  % BW rewrite match successes           : 4
% 0.86/0.75  % Condensation attempts                : 0
% 0.86/0.75  % Condensation successes               : 0
% 0.86/0.75  % Termbank termtop insertions          : 69893
% 0.86/0.75  % Search garbage collected termcells   : 2461
% 0.86/0.75  
% 0.86/0.75  % -------------------------------------------------
% 0.86/0.75  % User time                : 0.146 s
% 0.86/0.75  % System time              : 0.008 s
% 0.86/0.75  % Total time               : 0.154 s
% 0.86/0.75  % Maximum resident set size: 4272 pages
% 0.86/0.75  
% 0.86/0.75  % -------------------------------------------------
% 0.86/0.75  % User time                : 0.152 s
% 0.86/0.75  % System time              : 0.015 s
% 0.86/0.75  % Total time               : 0.167 s
% 0.86/0.75  % Maximum resident set size: 4864 pages
% 0.86/0.75  % E exiting
%------------------------------------------------------------------------------