TSTP Solution File: SWC409+1 by E-SAT---3.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E-SAT---3.1
% Problem  : SWC409+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n004.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 19:43:02 EDT 2023

% Result   : Theorem 1.32s 0.70s
% Output   : CNFRefutation 1.32s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   99 (  24 unt;   0 def)
%            Number of atoms       :  365 ( 104 equ)
%            Maximal formula atoms :   18 (   3 avg)
%            Number of connectives :  428 ( 162   ~; 190   |;  34   &)
%                                         (   4 <=>;  38  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   6 con; 0-2 aty)
%            Number of variables   :  130 (   0 sgn;  67   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(co1,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ? [X5] :
                        ( ssItem(X5)
                        & ? [X6] :
                            ( ssList(X6)
                            & app(X6,cons(X5,nil)) != X3
                            & app(cons(X5,nil),X6) = X4 ) )
                    | ! [X7] :
                        ( ssItem(X7)
                       => ( ~ memberP(X2,X7)
                          | memberP(X1,X7) ) )
                    | ( nil != X3
                      & nil = X4 ) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',co1) ).

fof(ax5,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( frontsegP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & app(X2,X3) = X1 ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax5) ).

fof(ax26,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ssList(app(X1,X2)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax26) ).

fof(ax3,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ( memberP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & ? [X4] :
                    ( ssList(X4)
                    & app(X3,cons(X2,X4)) = X1 ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax3) ).

fof(ax16,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ssList(cons(X2,X1)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax16) ).

fof(ax85,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( nil != X1
           => hd(app(X1,X2)) = hd(X1) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax85) ).

fof(ax22,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => ssItem(hd(X1)) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax22) ).

fof(ax28,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(nil,X1) = X1 ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax28) ).

fof(ax81,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) = app(cons(X2,nil),X1) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax81) ).

fof(ax20,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil = X1
        | ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssItem(X3)
                & cons(X3,X2) = X1 ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax20) ).

fof(ax23,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => hd(cons(X2,X1)) = X2 ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax23) ).

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.RdWlYyLosF/E---3.1_1605.p',ax27) ).

fof(ax17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax17) ).

fof(ax36,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( memberP(app(X2,X3),X1)
              <=> ( memberP(X2,X1)
                  | memberP(X3,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax36) ).

fof(ax37,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( memberP(cons(X2,X3),X1)
              <=> ( X1 = X2
                  | memberP(X3,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.RdWlYyLosF/E---3.1_1605.p',ax37) ).

fof(c_0_15,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ? [X5] :
                          ( ssItem(X5)
                          & ? [X6] :
                              ( ssList(X6)
                              & app(X6,cons(X5,nil)) != X3
                              & app(cons(X5,nil),X6) = X4 ) )
                      | ! [X7] :
                          ( ssItem(X7)
                         => ( ~ memberP(X2,X7)
                            | memberP(X1,X7) ) )
                      | ( nil != X3
                        & nil = X4 ) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[co1])]) ).

fof(c_0_16,negated_conjecture,
    ! [X256,X257] :
      ( ssList(esk48_0)
      & ssList(esk49_0)
      & ssList(esk50_0)
      & ssList(esk51_0)
      & esk49_0 = esk51_0
      & esk48_0 = esk50_0
      & ( ~ ssItem(X256)
        | ~ ssList(X257)
        | app(X257,cons(X256,nil)) = esk50_0
        | app(cons(X256,nil),X257) != esk51_0 )
      & ssItem(esk52_0)
      & memberP(esk49_0,esk52_0)
      & ~ memberP(esk48_0,esk52_0)
      & ( nil = esk50_0
        | nil != esk51_0 ) ),
    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,
    ! [X21,X22,X24] :
      ( ( ssList(esk6_2(X21,X22))
        | ~ frontsegP(X21,X22)
        | ~ ssList(X22)
        | ~ ssList(X21) )
      & ( app(X22,esk6_2(X21,X22)) = X21
        | ~ frontsegP(X21,X22)
        | ~ ssList(X22)
        | ~ ssList(X21) )
      & ( ~ ssList(X24)
        | app(X22,X24) != X21
        | frontsegP(X21,X22)
        | ~ ssList(X22)
        | ~ ssList(X21) ) ),
    inference(distribute,[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_18,plain,
    ! [X131,X132] :
      ( ~ ssList(X131)
      | ~ ssList(X132)
      | ssList(app(X131,X132)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax26])])]) ).

fof(c_0_19,plain,
    ! [X12,X13,X16,X17] :
      ( ( ssList(esk3_2(X12,X13))
        | ~ memberP(X12,X13)
        | ~ ssItem(X13)
        | ~ ssList(X12) )
      & ( ssList(esk4_2(X12,X13))
        | ~ memberP(X12,X13)
        | ~ ssItem(X13)
        | ~ ssList(X12) )
      & ( app(esk3_2(X12,X13),cons(X13,esk4_2(X12,X13))) = X12
        | ~ memberP(X12,X13)
        | ~ ssItem(X13)
        | ~ ssList(X12) )
      & ( ~ ssList(X16)
        | ~ ssList(X17)
        | app(X16,cons(X13,X17)) != X12
        | memberP(X12,X13)
        | ~ ssItem(X13)
        | ~ ssList(X12) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax3])])])])]) ).

cnf(c_0_20,negated_conjecture,
    memberP(esk49_0,esk52_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_21,negated_conjecture,
    esk49_0 = esk51_0,
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_22,negated_conjecture,
    ssList(esk49_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_23,plain,
    ( frontsegP(X3,X2)
    | ~ ssList(X1)
    | app(X2,X1) != X3
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_24,plain,
    ( ssList(app(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_25,plain,
    ( app(esk3_2(X1,X2),cons(X2,esk4_2(X1,X2))) = X1
    | ~ memberP(X1,X2)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_26,negated_conjecture,
    memberP(esk51_0,esk52_0),
    inference(rw,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_27,negated_conjecture,
    ssList(esk51_0),
    inference(rw,[status(thm)],[c_0_22,c_0_21]) ).

cnf(c_0_28,negated_conjecture,
    ssItem(esk52_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_29,plain,
    ( ssList(esk3_2(X1,X2))
    | ~ memberP(X1,X2)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_30,plain,
    ( frontsegP(app(X1,X2),X1)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(csr,[status(thm)],[inference(er,[status(thm)],[c_0_23]),c_0_24]) ).

cnf(c_0_31,negated_conjecture,
    app(esk3_2(esk51_0,esk52_0),cons(esk52_0,esk4_2(esk51_0,esk52_0))) = esk51_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_27]),c_0_28])]) ).

cnf(c_0_32,negated_conjecture,
    ssList(esk3_2(esk51_0,esk52_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_26]),c_0_27]),c_0_28])]) ).

fof(c_0_33,plain,
    ! [X112,X113] :
      ( ~ ssList(X112)
      | ~ ssItem(X113)
      | ssList(cons(X113,X112)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax16])])]) ).

cnf(c_0_34,plain,
    ( ssList(esk4_2(X1,X2))
    | ~ memberP(X1,X2)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_35,negated_conjecture,
    ( frontsegP(esk51_0,esk3_2(esk51_0,esk52_0))
    | ~ ssList(cons(esk52_0,esk4_2(esk51_0,esk52_0))) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_30,c_0_31]),c_0_32])]) ).

cnf(c_0_36,plain,
    ( ssList(cons(X2,X1))
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

cnf(c_0_37,negated_conjecture,
    ssList(esk4_2(esk51_0,esk52_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_34,c_0_26]),c_0_27]),c_0_28])]) ).

fof(c_0_38,plain,
    ! [X229,X230] :
      ( ~ ssList(X229)
      | ~ ssList(X230)
      | nil = X229
      | hd(app(X229,X230)) = hd(X229) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax85])])]) ).

cnf(c_0_39,plain,
    ( app(X1,esk6_2(X2,X1)) = X2
    | ~ frontsegP(X2,X1)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_40,negated_conjecture,
    frontsegP(esk51_0,esk3_2(esk51_0,esk52_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_36]),c_0_37]),c_0_28])]) ).

cnf(c_0_41,plain,
    ( ssList(esk6_2(X1,X2))
    | ~ frontsegP(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

fof(c_0_42,plain,
    ! [X125] :
      ( ~ ssList(X125)
      | nil = X125
      | ssItem(hd(X125)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax22])]) ).

cnf(c_0_43,plain,
    ( nil = X1
    | hd(app(X1,X2)) = hd(X1)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_38]) ).

cnf(c_0_44,negated_conjecture,
    app(esk3_2(esk51_0,esk52_0),esk6_2(esk51_0,esk3_2(esk51_0,esk52_0))) = esk51_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_39,c_0_40]),c_0_27]),c_0_32])]) ).

cnf(c_0_45,negated_conjecture,
    ssList(esk6_2(esk51_0,esk3_2(esk51_0,esk52_0))),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_41,c_0_40]),c_0_32]),c_0_27])]) ).

cnf(c_0_46,plain,
    ( nil = X1
    | ssItem(hd(X1))
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_42]) ).

cnf(c_0_47,negated_conjecture,
    ( hd(esk3_2(esk51_0,esk52_0)) = hd(esk51_0)
    | esk3_2(esk51_0,esk52_0) = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_44]),c_0_45]),c_0_32])]) ).

fof(c_0_48,plain,
    ! [X136] :
      ( ~ ssList(X136)
      | app(nil,X136) = X136 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax28])]) ).

cnf(c_0_49,negated_conjecture,
    ( esk3_2(esk51_0,esk52_0) = nil
    | ssItem(hd(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_46,c_0_47]),c_0_32])]) ).

fof(c_0_50,plain,
    ! [X221,X222] :
      ( ~ ssList(X221)
      | ~ ssItem(X222)
      | cons(X222,X221) = app(cons(X222,nil),X221) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax81])])]) ).

cnf(c_0_51,plain,
    ( app(nil,X1) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_48]) ).

cnf(c_0_52,negated_conjecture,
    ( app(nil,cons(esk52_0,esk4_2(esk51_0,esk52_0))) = esk51_0
    | ssItem(hd(esk51_0)) ),
    inference(spm,[status(thm)],[c_0_31,c_0_49]) ).

cnf(c_0_53,negated_conjecture,
    ( app(X2,cons(X1,nil)) = esk50_0
    | ~ ssItem(X1)
    | ~ ssList(X2)
    | app(cons(X1,nil),X2) != esk51_0 ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_54,plain,
    ( cons(X2,X1) = app(cons(X2,nil),X1)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_50]) ).

fof(c_0_55,plain,
    ! [X120] :
      ( ( ssList(esk44_1(X120))
        | nil = X120
        | ~ ssList(X120) )
      & ( ssItem(esk45_1(X120))
        | nil = X120
        | ~ ssList(X120) )
      & ( cons(esk45_1(X120),esk44_1(X120)) = X120
        | nil = X120
        | ~ ssList(X120) ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax20])])])]) ).

cnf(c_0_56,negated_conjecture,
    ( cons(esk52_0,esk4_2(esk51_0,esk52_0)) = esk51_0
    | ssItem(hd(esk51_0))
    | ~ ssList(cons(esk52_0,esk4_2(esk51_0,esk52_0))) ),
    inference(spm,[status(thm)],[c_0_51,c_0_52]) ).

cnf(c_0_57,negated_conjecture,
    ( app(X1,cons(X2,nil)) = esk50_0
    | cons(X2,X1) != esk51_0
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(spm,[status(thm)],[c_0_53,c_0_54]) ).

cnf(c_0_58,plain,
    ( cons(esk45_1(X1),esk44_1(X1)) = X1
    | nil = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_55]) ).

fof(c_0_59,plain,
    ! [X126,X127] :
      ( ~ ssList(X126)
      | ~ ssItem(X127)
      | hd(cons(X127,X126)) = X127 ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax23])])]) ).

cnf(c_0_60,plain,
    ( memberP(X4,X3)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | app(X1,cons(X3,X2)) != X4
    | ~ ssItem(X3)
    | ~ ssList(X4) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_61,negated_conjecture,
    ( cons(esk52_0,esk4_2(esk51_0,esk52_0)) = esk51_0
    | ssItem(hd(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_36]),c_0_37]),c_0_28])]) ).

cnf(c_0_62,negated_conjecture,
    ssList(esk48_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_63,negated_conjecture,
    esk48_0 = esk50_0,
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_64,negated_conjecture,
    ~ memberP(esk48_0,esk52_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

fof(c_0_65,plain,
    ! [X133,X134,X135] :
      ( ~ ssList(X133)
      | ~ ssList(X134)
      | ~ ssItem(X135)
      | cons(X135,app(X134,X133)) = app(cons(X135,X134),X133) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax27])])]) ).

cnf(c_0_66,negated_conjecture,
    ( app(esk44_1(esk51_0),cons(esk45_1(esk51_0),nil)) = esk50_0
    | esk51_0 = nil
    | ~ ssList(esk44_1(esk51_0))
    | ~ ssItem(esk45_1(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_58])]),c_0_27])]) ).

cnf(c_0_67,plain,
    ( ssList(esk44_1(X1))
    | nil = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_55]) ).

cnf(c_0_68,plain,
    ( hd(cons(X2,X1)) = X2
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_59]) ).

cnf(c_0_69,plain,
    ( ssItem(esk45_1(X1))
    | nil = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_55]) ).

cnf(c_0_70,plain,
    ( memberP(app(X1,cons(X2,X3)),X2)
    | ~ ssList(app(X1,cons(X2,X3)))
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(er,[status(thm)],[c_0_60]) ).

cnf(c_0_71,negated_conjecture,
    ( app(esk4_2(esk51_0,esk52_0),cons(esk52_0,nil)) = esk50_0
    | ssItem(hd(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_61]),c_0_37]),c_0_28])]) ).

cnf(c_0_72,negated_conjecture,
    ssList(esk50_0),
    inference(rw,[status(thm)],[c_0_62,c_0_63]) ).

cnf(c_0_73,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

cnf(c_0_74,negated_conjecture,
    ~ memberP(esk50_0,esk52_0),
    inference(rw,[status(thm)],[c_0_64,c_0_63]) ).

cnf(c_0_75,plain,
    ( cons(X3,app(X2,X1)) = app(cons(X3,X2),X1)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssItem(X3) ),
    inference(split_conjunct,[status(thm)],[c_0_65]) ).

cnf(c_0_76,negated_conjecture,
    ( app(esk44_1(esk51_0),cons(esk45_1(esk51_0),nil)) = esk50_0
    | esk51_0 = nil
    | ~ ssItem(esk45_1(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_66,c_0_67]),c_0_27])]) ).

cnf(c_0_77,plain,
    ( esk45_1(X1) = hd(X1)
    | nil = X1
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_68,c_0_58]),c_0_69]),c_0_67]) ).

cnf(c_0_78,negated_conjecture,
    ssItem(hd(esk51_0)),
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_70,c_0_71]),c_0_72]),c_0_73]),c_0_37]),c_0_28])]),c_0_74]) ).

cnf(c_0_79,plain,
    ( cons(esk45_1(X1),app(esk44_1(X1),X2)) = app(X1,X2)
    | nil = X1
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_58]),c_0_69]),c_0_67]) ).

cnf(c_0_80,negated_conjecture,
    ( app(esk44_1(esk51_0),cons(hd(esk51_0),nil)) = esk50_0
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_76,c_0_77]),c_0_78]),c_0_27])]) ).

fof(c_0_81,plain,
    ! [X152,X153,X154] :
      ( ( ~ memberP(app(X153,X154),X152)
        | memberP(X153,X152)
        | memberP(X154,X152)
        | ~ ssList(X154)
        | ~ ssList(X153)
        | ~ ssItem(X152) )
      & ( ~ memberP(X153,X152)
        | memberP(app(X153,X154),X152)
        | ~ ssList(X154)
        | ~ ssList(X153)
        | ~ ssItem(X152) )
      & ( ~ memberP(X154,X152)
        | memberP(app(X153,X154),X152)
        | ~ ssList(X154)
        | ~ ssList(X153)
        | ~ ssItem(X152) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax36])])])]) ).

cnf(c_0_82,negated_conjecture,
    ( cons(esk45_1(esk51_0),esk50_0) = app(esk51_0,cons(hd(esk51_0),nil))
    | esk51_0 = nil
    | ~ ssList(cons(hd(esk51_0),nil)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_79,c_0_80]),c_0_27])]) ).

cnf(c_0_83,plain,
    ( memberP(app(X1,X3),X2)
    | ~ memberP(X1,X2)
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_81]) ).

cnf(c_0_84,negated_conjecture,
    ( cons(esk45_1(esk51_0),esk50_0) = app(esk51_0,cons(hd(esk51_0),nil))
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_82,c_0_36]),c_0_73]),c_0_78])]) ).

cnf(c_0_85,negated_conjecture,
    ( memberP(app(esk51_0,X1),esk52_0)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_83,c_0_26]),c_0_27]),c_0_28])]) ).

cnf(c_0_86,negated_conjecture,
    ( app(esk51_0,cons(hd(esk51_0),nil)) = cons(hd(esk51_0),esk50_0)
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_84,c_0_77]),c_0_27])]) ).

fof(c_0_87,plain,
    ! [X155,X156,X157] :
      ( ( ~ memberP(cons(X156,X157),X155)
        | X155 = X156
        | memberP(X157,X155)
        | ~ ssList(X157)
        | ~ ssItem(X156)
        | ~ ssItem(X155) )
      & ( X155 != X156
        | memberP(cons(X156,X157),X155)
        | ~ ssList(X157)
        | ~ ssItem(X156)
        | ~ ssItem(X155) )
      & ( ~ memberP(X157,X155)
        | memberP(cons(X156,X157),X155)
        | ~ ssList(X157)
        | ~ ssItem(X156)
        | ~ ssItem(X155) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax37])])])]) ).

cnf(c_0_88,negated_conjecture,
    ( esk51_0 = nil
    | memberP(cons(hd(esk51_0),esk50_0),esk52_0)
    | ~ ssList(cons(hd(esk51_0),nil)) ),
    inference(spm,[status(thm)],[c_0_85,c_0_86]) ).

cnf(c_0_89,negated_conjecture,
    ( esk51_0 = nil
    | memberP(esk50_0,hd(esk51_0))
    | ~ ssList(esk44_1(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_70,c_0_80]),c_0_72]),c_0_73]),c_0_78])]) ).

cnf(c_0_90,plain,
    ( X3 = X1
    | memberP(X2,X3)
    | ~ memberP(cons(X1,X2),X3)
    | ~ ssList(X2)
    | ~ ssItem(X1)
    | ~ ssItem(X3) ),
    inference(split_conjunct,[status(thm)],[c_0_87]) ).

cnf(c_0_91,negated_conjecture,
    ( esk51_0 = nil
    | memberP(cons(hd(esk51_0),esk50_0),esk52_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_88,c_0_36]),c_0_73]),c_0_78])]) ).

cnf(c_0_92,negated_conjecture,
    ( esk51_0 = nil
    | memberP(esk50_0,hd(esk51_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_89,c_0_67]),c_0_27])]) ).

cnf(c_0_93,negated_conjecture,
    ( hd(esk51_0) = esk52_0
    | esk51_0 = nil ),
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_90,c_0_91]),c_0_72]),c_0_28]),c_0_78])]),c_0_74]) ).

cnf(c_0_94,negated_conjecture,
    ( nil = esk50_0
    | nil != esk51_0 ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_95,negated_conjecture,
    esk51_0 = nil,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_92,c_0_93]),c_0_74]) ).

cnf(c_0_96,negated_conjecture,
    esk50_0 = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_94,c_0_95])]) ).

cnf(c_0_97,negated_conjecture,
    ~ memberP(nil,esk52_0),
    inference(rw,[status(thm)],[c_0_74,c_0_96]) ).

cnf(c_0_98,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(rw,[status(thm)],[c_0_26,c_0_95]),c_0_97]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SWC409+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.14  % Command    : run_E %s %d THM
% 0.15/0.35  % Computer : n004.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 2400
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Tue Oct  3 01:50:00 EDT 2023
% 0.15/0.35  % CPUTime    : 
% 0.21/0.49  Running first-order model finding
% 0.21/0.49  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.RdWlYyLosF/E---3.1_1605.p
% 1.32/0.70  # Version: 3.1pre001
% 1.32/0.70  # Preprocessing class: FSLSSMSSSSSNFFN.
% 1.32/0.70  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.32/0.70  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 1.32/0.70  # Starting new_bool_3 with 300s (1) cores
% 1.32/0.70  # Starting new_bool_1 with 300s (1) cores
% 1.32/0.70  # Starting sh5l with 300s (1) cores
% 1.32/0.70  # G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with pid 1707 completed with status 0
% 1.32/0.70  # Result found by G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S
% 1.32/0.70  # Preprocessing class: FSLSSMSSSSSNFFN.
% 1.32/0.70  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.32/0.70  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 1.32/0.70  # No SInE strategy applied
% 1.32/0.70  # Search class: FGHSF-FSLM21-MFFFFFNN
% 1.32/0.70  # Scheduled 11 strats onto 5 cores with 1500 seconds (1500 total)
% 1.32/0.70  # Starting G-E--_208_C18_SOS_F1_SE_CS_SP_PS_S4c with 136s (1) cores
% 1.32/0.70  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 151s (1) cores
% 1.32/0.70  # Starting G-E--_110_C45_F1_PI_SE_CS_SP_PS_S4S with 136s (1) cores
% 1.32/0.70  # Starting G-E--_208_C18_F1_SE_CS_SP_PS_TT_S0Y with 136s (1) cores
% 1.32/0.70  # Starting G-E--_208_C18_F1_SE_CS_SP_PS_S2o with 136s (1) cores
% 1.32/0.70  # G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with pid 1716 completed with status 0
% 1.32/0.70  # Result found by G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S
% 1.32/0.70  # Preprocessing class: FSLSSMSSSSSNFFN.
% 1.32/0.70  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.32/0.70  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 1500s (5) cores
% 1.32/0.70  # No SInE strategy applied
% 1.32/0.70  # Search class: FGHSF-FSLM21-MFFFFFNN
% 1.32/0.70  # Scheduled 11 strats onto 5 cores with 1500 seconds (1500 total)
% 1.32/0.70  # Starting G-E--_208_C18_SOS_F1_SE_CS_SP_PS_S4c with 136s (1) cores
% 1.32/0.70  # Starting G-E--_207_C18_F1_SE_CS_SP_PI_PS_S5PRR_S2S with 151s (1) cores
% 1.32/0.70  # Preprocessing time       : 0.004 s
% 1.32/0.70  # Presaturation interreduction done
% 1.32/0.70  
% 1.32/0.70  # Proof found!
% 1.32/0.70  # SZS status Theorem
% 1.32/0.70  # SZS output start CNFRefutation
% See solution above
% 1.32/0.70  # Parsed axioms                        : 96
% 1.32/0.70  # Removed by relevancy pruning/SinE    : 0
% 1.32/0.70  # Initial clauses                      : 201
% 1.32/0.70  # Removed in clause preprocessing      : 2
% 1.32/0.70  # Initial clauses in saturation        : 199
% 1.32/0.70  # Processed clauses                    : 1673
% 1.32/0.70  # ...of these trivial                  : 3
% 1.32/0.70  # ...subsumed                          : 718
% 1.32/0.70  # ...remaining for further processing  : 951
% 1.32/0.70  # Other redundant clauses eliminated   : 147
% 1.32/0.70  # Clauses deleted for lack of memory   : 0
% 1.32/0.70  # Backward-subsumed                    : 104
% 1.32/0.70  # Backward-rewritten                   : 208
% 1.32/0.70  # Generated clauses                    : 5432
% 1.32/0.70  # ...of the previous two non-redundant : 5030
% 1.32/0.70  # ...aggressively subsumed             : 0
% 1.32/0.70  # Contextual simplify-reflections      : 203
% 1.32/0.70  # Paramodulations                      : 5280
% 1.32/0.70  # Factorizations                       : 0
% 1.32/0.70  # NegExts                              : 0
% 1.32/0.70  # Equation resolutions                 : 154
% 1.32/0.70  # Total rewrite steps                  : 3754
% 1.32/0.70  # Propositional unsat checks           : 0
% 1.32/0.70  #    Propositional check models        : 0
% 1.32/0.70  #    Propositional check unsatisfiable : 0
% 1.32/0.70  #    Propositional clauses             : 0
% 1.32/0.70  #    Propositional clauses after purity: 0
% 1.32/0.70  #    Propositional unsat core size     : 0
% 1.32/0.70  #    Propositional preprocessing time  : 0.000
% 1.32/0.70  #    Propositional encoding time       : 0.000
% 1.32/0.70  #    Propositional solver time         : 0.000
% 1.32/0.70  #    Success case prop preproc time    : 0.000
% 1.32/0.70  #    Success case prop encoding time   : 0.000
% 1.32/0.70  #    Success case prop solver time     : 0.000
% 1.32/0.70  # Current number of processed clauses  : 423
% 1.32/0.70  #    Positive orientable unit clauses  : 29
% 1.32/0.70  #    Positive unorientable unit clauses: 0
% 1.32/0.70  #    Negative unit clauses             : 4
% 1.32/0.70  #    Non-unit-clauses                  : 390
% 1.32/0.70  # Current number of unprocessed clauses: 3609
% 1.32/0.70  # ...number of literals in the above   : 21361
% 1.32/0.70  # Current number of archived formulas  : 0
% 1.32/0.70  # Current number of archived clauses   : 505
% 1.32/0.70  # Clause-clause subsumption calls (NU) : 62713
% 1.32/0.70  # Rec. Clause-clause subsumption calls : 15310
% 1.32/0.70  # Non-unit clause-clause subsumptions  : 824
% 1.32/0.70  # Unit Clause-clause subsumption calls : 384
% 1.32/0.70  # Rewrite failures with RHS unbound    : 0
% 1.32/0.70  # BW rewrite match attempts            : 11
% 1.32/0.70  # BW rewrite match successes           : 11
% 1.32/0.70  # Condensation attempts                : 0
% 1.32/0.70  # Condensation successes               : 0
% 1.32/0.70  # Termbank termtop insertions          : 116681
% 1.32/0.70  
% 1.32/0.70  # -------------------------------------------------
% 1.32/0.70  # User time                : 0.183 s
% 1.32/0.70  # System time              : 0.007 s
% 1.32/0.70  # Total time               : 0.190 s
% 1.32/0.70  # Maximum resident set size: 2484 pages
% 1.32/0.70  
% 1.32/0.70  # -------------------------------------------------
% 1.32/0.70  # User time                : 0.807 s
% 1.32/0.70  # System time              : 0.024 s
% 1.32/0.70  # Total time               : 0.832 s
% 1.32/0.70  # Maximum resident set size: 1800 pages
% 1.32/0.70  % E---3.1 exiting
%------------------------------------------------------------------------------