TSTP Solution File: SWC015+1 by E-SAT---3.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E-SAT---3.1
% Problem  : SWC015+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n014.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 2400s
% WCLimit  : 300s
% DateTime : Tue Oct 10 19:41:03 EDT 2023

% Result   : Theorem 0.17s 0.47s
% Output   : CNFRefutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   22
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   81 (  12 unt;   0 def)
%            Number of atoms       :  315 ( 137 equ)
%            Maximal formula atoms :   34 (   3 avg)
%            Number of connectives :  378 ( 144   ~; 167   |;  30   &)
%                                         (   1 <=>;  36  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   22 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   5 con; 0-2 aty)
%            Number of variables   :  105 (   0 sgn;  56   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(co1,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ( ( ~ neq(X2,nil)
                        | ? [X5] :
                            ( ssList(X5)
                            & X4 != X5
                            & ? [X6] :
                                ( ssList(X6)
                                & tl(X4) = X6
                                & app(X3,X6) = X5
                                & neq(nil,X4) ) )
                        | ? [X7] :
                            ( ssItem(X7)
                            & ? [X8] :
                                ( ssList(X8)
                                & cons(X7,nil) = X1
                                & app(cons(X7,nil),X8) = X2 ) ) )
                      & ( ~ neq(X2,nil)
                        | neq(X4,nil) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',co1) ).

fof(ax15,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax15) ).

fof(ax17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax17) ).

fof(ax24,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => ssList(tl(X1)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax24) ).

fof(ax26,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ssList(app(X1,X2)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax26) ).

fof(ax86,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => tl(app(X1,X2)) = app(tl(X1),X2) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax86) ).

fof(ax79,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( app(X3,X2) = app(X1,X2)
               => X3 = X1 ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax79) ).

fof(ax28,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(nil,X1) = X1 ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax28) ).

fof(ax85,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => hd(app(X1,X2)) = hd(X1) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax85) ).

fof(ax81,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) = app(cons(X2,nil),X1) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax81) ).

fof(ax78,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => cons(hd(X1),tl(X1)) = X1 ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax78) ).

fof(ax22,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => ssItem(hd(X1)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax22) ).

fof(ax18,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) != X1 ) ),
    file('/export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax18) ).

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/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p',ax27) ).

fof(c_0_14,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ( ( ~ neq(X2,nil)
                          | ? [X5] :
                              ( ssList(X5)
                              & X4 != X5
                              & ? [X6] :
                                  ( ssList(X6)
                                  & tl(X4) = X6
                                  & app(X3,X6) = X5
                                  & neq(nil,X4) ) )
                          | ? [X7] :
                              ( ssItem(X7)
                              & ? [X8] :
                                  ( ssList(X8)
                                  & cons(X7,nil) = X1
                                  & app(cons(X7,nil),X8) = X2 ) ) )
                        & ( ~ neq(X2,nil)
                          | neq(X4,nil) ) ) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[co1])]) ).

fof(c_0_15,negated_conjecture,
    ! [X13,X14,X15,X16] :
      ( ssList(esk1_0)
      & ssList(esk2_0)
      & ssList(esk3_0)
      & ssList(esk4_0)
      & esk2_0 = esk4_0
      & esk1_0 = esk3_0
      & ( neq(esk2_0,nil)
        | neq(esk2_0,nil) )
      & ( ~ neq(esk4_0,nil)
        | neq(esk2_0,nil) )
      & ( neq(esk2_0,nil)
        | ~ ssList(X13)
        | esk4_0 = X13
        | ~ ssList(X14)
        | tl(esk4_0) != X14
        | app(esk3_0,X14) != X13
        | ~ neq(nil,esk4_0) )
      & ( ~ neq(esk4_0,nil)
        | ~ ssList(X13)
        | esk4_0 = X13
        | ~ ssList(X14)
        | tl(esk4_0) != X14
        | app(esk3_0,X14) != X13
        | ~ neq(nil,esk4_0) )
      & ( neq(esk2_0,nil)
        | ~ ssItem(X15)
        | ~ ssList(X16)
        | cons(X15,nil) != esk1_0
        | app(cons(X15,nil),X16) != esk2_0 )
      & ( ~ neq(esk4_0,nil)
        | ~ ssItem(X15)
        | ~ ssList(X16)
        | cons(X15,nil) != esk1_0
        | app(cons(X15,nil),X16) != esk2_0 ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_14])])])])]) ).

cnf(c_0_16,negated_conjecture,
    ( neq(esk2_0,nil)
    | neq(esk2_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_17,negated_conjecture,
    neq(esk2_0,nil),
    inference(cn,[status(thm)],[c_0_16]) ).

cnf(c_0_18,negated_conjecture,
    esk2_0 = esk4_0,
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_19,negated_conjecture,
    ( esk4_0 = X1
    | ~ neq(esk4_0,nil)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | tl(esk4_0) != X2
    | app(esk3_0,X2) != X1
    | ~ neq(nil,esk4_0) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_20,negated_conjecture,
    esk1_0 = esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_21,negated_conjecture,
    neq(esk4_0,nil),
    inference(rw,[status(thm)],[c_0_17,c_0_18]) ).

fof(c_0_22,plain,
    ! [X19,X20] :
      ( ( ~ neq(X19,X20)
        | X19 != X20
        | ~ ssList(X20)
        | ~ ssList(X19) )
      & ( X19 = X20
        | neq(X19,X20)
        | ~ ssList(X20)
        | ~ ssList(X19) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax15])])])]) ).

cnf(c_0_23,negated_conjecture,
    ssList(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_24,negated_conjecture,
    ( app(esk1_0,tl(esk4_0)) = esk4_0
    | ~ ssList(app(esk1_0,tl(esk4_0)))
    | ~ ssList(tl(esk4_0))
    | ~ neq(nil,esk4_0) ),
    inference(er,[status(thm)],[inference(er,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_19,c_0_20]),c_0_21])])])]) ).

cnf(c_0_25,plain,
    ( X1 = X2
    | neq(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_22]) ).

cnf(c_0_26,negated_conjecture,
    ssList(esk4_0),
    inference(rw,[status(thm)],[c_0_23,c_0_18]) ).

cnf(c_0_27,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

fof(c_0_28,plain,
    ! [X56] :
      ( ~ ssList(X56)
      | nil = X56
      | ssList(tl(X56)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax24])]) ).

cnf(c_0_29,negated_conjecture,
    ( app(esk1_0,tl(esk4_0)) = esk4_0
    | esk4_0 = nil
    | ~ ssList(app(esk1_0,tl(esk4_0)))
    | ~ ssList(tl(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_25]),c_0_26]),c_0_27])]) ).

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

fof(c_0_31,plain,
    ! [X26,X27] :
      ( ~ ssList(X26)
      | ~ ssList(X27)
      | ssList(app(X26,X27)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax26])])]) ).

cnf(c_0_32,negated_conjecture,
    ( app(esk1_0,tl(esk4_0)) = esk4_0
    | esk4_0 = nil
    | ~ ssList(app(esk1_0,tl(esk4_0))) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_26])]) ).

cnf(c_0_33,plain,
    ( ssList(app(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_31]) ).

cnf(c_0_34,negated_conjecture,
    ssList(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

fof(c_0_35,plain,
    ! [X64,X65] :
      ( ~ ssList(X64)
      | ~ ssList(X65)
      | nil = X64
      | tl(app(X64,X65)) = app(tl(X64),X65) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax86])])]) ).

cnf(c_0_36,negated_conjecture,
    ( app(esk1_0,tl(esk4_0)) = esk4_0
    | esk4_0 = nil
    | ~ ssList(tl(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_32,c_0_33]),c_0_34])]) ).

fof(c_0_37,plain,
    ! [X32,X33,X34] :
      ( ~ ssList(X32)
      | ~ ssList(X33)
      | ~ ssList(X34)
      | app(X34,X33) != app(X32,X33)
      | X34 = X32 ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax79])])]) ).

fof(c_0_38,plain,
    ! [X31] :
      ( ~ ssList(X31)
      | app(nil,X31) = X31 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax28])]) ).

cnf(c_0_39,plain,
    ( nil = X1
    | tl(app(X1,X2)) = app(tl(X1),X2)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_35]) ).

cnf(c_0_40,negated_conjecture,
    ( app(esk1_0,tl(esk4_0)) = esk4_0
    | esk4_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_30]),c_0_26])]) ).

fof(c_0_41,plain,
    ! [X71,X72] :
      ( ~ ssList(X71)
      | ~ ssList(X72)
      | nil = X71
      | hd(app(X71,X72)) = hd(X71) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax85])])]) ).

cnf(c_0_42,plain,
    ( X3 = X1
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | app(X3,X2) != app(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_37]) ).

cnf(c_0_43,plain,
    ( app(nil,X1) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_38]) ).

cnf(c_0_44,negated_conjecture,
    ( app(tl(esk1_0),tl(esk4_0)) = tl(esk4_0)
    | esk4_0 = nil
    | esk1_0 = nil
    | ~ ssList(tl(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_39,c_0_40]),c_0_34])]) ).

cnf(c_0_45,plain,
    ( nil = X1
    | hd(app(X1,X2)) = hd(X1)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_41]) ).

cnf(c_0_46,plain,
    ( X1 = nil
    | app(X1,X2) != X2
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_43]),c_0_27])]) ).

cnf(c_0_47,negated_conjecture,
    ( app(tl(esk1_0),tl(esk4_0)) = tl(esk4_0)
    | esk1_0 = nil
    | esk4_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_30]),c_0_26])]) ).

cnf(c_0_48,negated_conjecture,
    ( ~ neq(esk4_0,nil)
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | cons(X1,nil) != esk1_0
    | app(cons(X1,nil),X2) != esk2_0 ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

fof(c_0_49,plain,
    ! [X38,X39] :
      ( ~ ssList(X38)
      | ~ ssItem(X39)
      | cons(X39,X38) = app(cons(X39,nil),X38) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax81])])]) ).

fof(c_0_50,plain,
    ! [X63] :
      ( ~ ssList(X63)
      | nil = X63
      | cons(hd(X63),tl(X63)) = X63 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax78])]) ).

cnf(c_0_51,negated_conjecture,
    ( hd(esk1_0) = hd(esk4_0)
    | esk4_0 = nil
    | esk1_0 = nil
    | ~ ssList(tl(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_45,c_0_40]),c_0_34])]) ).

cnf(c_0_52,negated_conjecture,
    ( tl(esk1_0) = nil
    | esk4_0 = nil
    | esk1_0 = nil
    | ~ ssList(tl(esk4_0))
    | ~ ssList(tl(esk1_0)) ),
    inference(spm,[status(thm)],[c_0_46,c_0_47]) ).

cnf(c_0_53,negated_conjecture,
    ( app(cons(X1,nil),X2) != esk4_0
    | cons(X1,nil) != esk1_0
    | ~ ssList(X2)
    | ~ ssItem(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_48,c_0_18]),c_0_21])]) ).

cnf(c_0_54,plain,
    ( cons(X2,X1) = app(cons(X2,nil),X1)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_49]) ).

cnf(c_0_55,plain,
    ( nil = X1
    | cons(hd(X1),tl(X1)) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

cnf(c_0_56,negated_conjecture,
    ( hd(esk1_0) = hd(esk4_0)
    | esk1_0 = nil
    | esk4_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_51,c_0_30]),c_0_26])]) ).

cnf(c_0_57,negated_conjecture,
    ( tl(esk1_0) = nil
    | esk1_0 = nil
    | esk4_0 = nil
    | ~ ssList(tl(esk1_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_30]),c_0_26])]) ).

fof(c_0_58,plain,
    ! [X66] :
      ( ~ ssList(X66)
      | nil = X66
      | ssItem(hd(X66)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax22])]) ).

fof(c_0_59,plain,
    ! [X48,X49] :
      ( ~ ssList(X48)
      | ~ ssItem(X49)
      | cons(X49,X48) != X48 ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax18])])]) ).

fof(c_0_60,plain,
    ! [X28,X29,X30] :
      ( ~ ssList(X28)
      | ~ ssList(X29)
      | ~ ssItem(X30)
      | cons(X30,app(X29,X28)) = app(cons(X30,X29),X28) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax27])])]) ).

cnf(c_0_61,negated_conjecture,
    ( cons(X1,nil) != esk1_0
    | cons(X1,X2) != esk4_0
    | ~ ssList(X2)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[c_0_53,c_0_54]) ).

cnf(c_0_62,negated_conjecture,
    ( cons(hd(esk4_0),tl(esk1_0)) = esk1_0
    | esk4_0 = nil
    | esk1_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_55,c_0_56]),c_0_34])]) ).

cnf(c_0_63,negated_conjecture,
    ( tl(esk1_0) = nil
    | esk4_0 = nil
    | esk1_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_30]),c_0_34])]) ).

cnf(c_0_64,plain,
    ( nil = X1
    | ssItem(hd(X1))
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_58]) ).

cnf(c_0_65,plain,
    ( ~ ssList(X1)
    | ~ ssItem(X2)
    | cons(X2,X1) != X1 ),
    inference(split_conjunct,[status(thm)],[c_0_59]) ).

cnf(c_0_66,plain,
    ( cons(X3,app(X2,X1)) = app(cons(X3,X2),X1)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssItem(X3) ),
    inference(split_conjunct,[status(thm)],[c_0_60]) ).

cnf(c_0_67,negated_conjecture,
    ( esk4_0 = nil
    | cons(hd(esk4_0),nil) != esk1_0
    | ~ ssList(tl(esk4_0))
    | ~ ssItem(hd(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_61,c_0_55])]),c_0_26])]) ).

cnf(c_0_68,negated_conjecture,
    ( cons(hd(esk4_0),nil) = esk1_0
    | esk1_0 = nil
    | esk4_0 = nil ),
    inference(spm,[status(thm)],[c_0_62,c_0_63]) ).

cnf(c_0_69,negated_conjecture,
    ( esk4_0 = nil
    | esk1_0 = nil
    | ssItem(hd(esk4_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_64,c_0_56]),c_0_34])]) ).

cnf(c_0_70,plain,
    ( app(cons(X1,X2),X3) != app(X2,X3)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssItem(X1) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_65,c_0_66]),c_0_33]) ).

cnf(c_0_71,negated_conjecture,
    ( esk1_0 = nil
    | esk4_0 = nil
    | ~ ssList(tl(esk4_0)) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_67,c_0_68]),c_0_69]) ).

cnf(c_0_72,plain,
    ( cons(X1,X2) != app(nil,X2)
    | ~ ssList(X2)
    | ~ ssItem(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_70,c_0_54]),c_0_27])]) ).

cnf(c_0_73,negated_conjecture,
    ( esk4_0 = nil
    | esk1_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_71,c_0_30]),c_0_26])]) ).

cnf(c_0_74,plain,
    ( nil = X1
    | app(nil,tl(X1)) != X1
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_72,c_0_55]),c_0_64]),c_0_30]) ).

cnf(c_0_75,negated_conjecture,
    ( app(nil,tl(esk4_0)) = esk4_0
    | esk4_0 = nil ),
    inference(spm,[status(thm)],[c_0_40,c_0_73]) ).

cnf(c_0_76,plain,
    ( ~ neq(X1,X2)
    | X1 != X2
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_22]) ).

cnf(c_0_77,negated_conjecture,
    esk4_0 = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_74,c_0_75]),c_0_26])]) ).

cnf(c_0_78,plain,
    ( ~ ssList(X1)
    | ~ neq(X1,X1) ),
    inference(er,[status(thm)],[c_0_76]) ).

cnf(c_0_79,negated_conjecture,
    neq(nil,nil),
    inference(rw,[status(thm)],[c_0_21,c_0_77]) ).

cnf(c_0_80,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_79]),c_0_27])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.11  % Problem    : SWC015+1 : TPTP v8.1.2. Released v2.4.0.
% 0.09/0.11  % Command    : run_E %s %d THM
% 0.11/0.32  % Computer : n014.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit   : 2400
% 0.11/0.32  % WCLimit    : 300
% 0.11/0.32  % DateTime   : Tue Oct  3 01:36:34 EDT 2023
% 0.11/0.32  % CPUTime    : 
% 0.17/0.44  Running first-order model finding
% 0.17/0.44  Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --satauto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/tmp/tmp.NAHyUZy0v6/E---3.1_6017.p
% 0.17/0.47  # Version: 3.1pre001
% 0.17/0.47  # Preprocessing class: FSLSSMSSSSSNFFN.
% 0.17/0.47  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.47  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.17/0.47  # Starting new_bool_3 with 300s (1) cores
% 0.17/0.47  # Starting new_bool_1 with 300s (1) cores
% 0.17/0.47  # Starting sh5l with 300s (1) cores
% 0.17/0.47  # new_bool_3 with pid 6095 completed with status 0
% 0.17/0.47  # Result found by new_bool_3
% 0.17/0.47  # Preprocessing class: FSLSSMSSSSSNFFN.
% 0.17/0.47  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.47  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.17/0.47  # Starting new_bool_3 with 300s (1) cores
% 0.17/0.47  # SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.17/0.47  # Search class: FGHSF-FFMM21-SFFFFFNN
% 0.17/0.47  # Scheduled 6 strats onto 1 cores with 300 seconds (300 total)
% 0.17/0.47  # Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_S2v with 163s (1) cores
% 0.17/0.47  # G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_S2v with pid 6099 completed with status 0
% 0.17/0.47  # Result found by G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_S2v
% 0.17/0.47  # Preprocessing class: FSLSSMSSSSSNFFN.
% 0.17/0.47  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.47  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 0.17/0.47  # Starting new_bool_3 with 300s (1) cores
% 0.17/0.47  # SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.17/0.47  # Search class: FGHSF-FFMM21-SFFFFFNN
% 0.17/0.47  # Scheduled 6 strats onto 1 cores with 300 seconds (300 total)
% 0.17/0.47  # Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_S2v with 163s (1) cores
% 0.17/0.47  # Preprocessing time       : 0.002 s
% 0.17/0.47  # Presaturation interreduction done
% 0.17/0.47  
% 0.17/0.47  # Proof found!
% 0.17/0.47  # SZS status Theorem
% 0.17/0.47  # SZS output start CNFRefutation
% See solution above
% 0.17/0.47  # Parsed axioms                        : 96
% 0.17/0.47  # Removed by relevancy pruning/SinE    : 67
% 0.17/0.47  # Initial clauses                      : 51
% 0.17/0.47  # Removed in clause preprocessing      : 0
% 0.17/0.47  # Initial clauses in saturation        : 51
% 0.17/0.47  # Processed clauses                    : 267
% 0.17/0.47  # ...of these trivial                  : 5
% 0.17/0.47  # ...subsumed                          : 74
% 0.17/0.47  # ...remaining for further processing  : 188
% 0.17/0.47  # Other redundant clauses eliminated   : 22
% 0.17/0.47  # Clauses deleted for lack of memory   : 0
% 0.17/0.47  # Backward-subsumed                    : 56
% 0.17/0.47  # Backward-rewritten                   : 15
% 0.17/0.47  # Generated clauses                    : 487
% 0.17/0.47  # ...of the previous two non-redundant : 386
% 0.17/0.47  # ...aggressively subsumed             : 0
% 0.17/0.47  # Contextual simplify-reflections      : 28
% 0.17/0.47  # Paramodulations                      : 462
% 0.17/0.47  # Factorizations                       : 0
% 0.17/0.47  # NegExts                              : 0
% 0.17/0.47  # Equation resolutions                 : 27
% 0.17/0.47  # Total rewrite steps                  : 350
% 0.17/0.47  # Propositional unsat checks           : 0
% 0.17/0.47  #    Propositional check models        : 0
% 0.17/0.47  #    Propositional check unsatisfiable : 0
% 0.17/0.47  #    Propositional clauses             : 0
% 0.17/0.47  #    Propositional clauses after purity: 0
% 0.17/0.47  #    Propositional unsat core size     : 0
% 0.17/0.47  #    Propositional preprocessing time  : 0.000
% 0.17/0.47  #    Propositional encoding time       : 0.000
% 0.17/0.47  #    Propositional solver time         : 0.000
% 0.17/0.47  #    Success case prop preproc time    : 0.000
% 0.17/0.47  #    Success case prop encoding time   : 0.000
% 0.17/0.47  #    Success case prop solver time     : 0.000
% 0.17/0.47  # Current number of processed clauses  : 67
% 0.17/0.47  #    Positive orientable unit clauses  : 9
% 0.17/0.47  #    Positive unorientable unit clauses: 0
% 0.17/0.47  #    Negative unit clauses             : 1
% 0.17/0.47  #    Non-unit-clauses                  : 57
% 0.17/0.47  # Current number of unprocessed clauses: 208
% 0.17/0.47  # ...number of literals in the above   : 1198
% 0.17/0.47  # Current number of archived formulas  : 0
% 0.17/0.47  # Current number of archived clauses   : 117
% 0.17/0.47  # Clause-clause subsumption calls (NU) : 2936
% 0.17/0.47  # Rec. Clause-clause subsumption calls : 734
% 0.17/0.47  # Non-unit clause-clause subsumptions  : 158
% 0.17/0.47  # Unit Clause-clause subsumption calls : 60
% 0.17/0.47  # Rewrite failures with RHS unbound    : 0
% 0.17/0.47  # BW rewrite match attempts            : 1
% 0.17/0.47  # BW rewrite match successes           : 1
% 0.17/0.47  # Condensation attempts                : 0
% 0.17/0.47  # Condensation successes               : 0
% 0.17/0.47  # Termbank termtop insertions          : 12218
% 0.17/0.47  
% 0.17/0.47  # -------------------------------------------------
% 0.17/0.47  # User time                : 0.022 s
% 0.17/0.47  # System time              : 0.001 s
% 0.17/0.47  # Total time               : 0.023 s
% 0.17/0.47  # Maximum resident set size: 2044 pages
% 0.17/0.47  
% 0.17/0.47  # -------------------------------------------------
% 0.17/0.47  # User time                : 0.024 s
% 0.17/0.47  # System time              : 0.004 s
% 0.17/0.47  # Total time               : 0.028 s
% 0.17/0.47  # Maximum resident set size: 1796 pages
% 0.17/0.47  % E---3.1 exiting
%------------------------------------------------------------------------------