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CSE_E---1.7.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : CSE_E---1.7
% Problem  : SWC061+1 : TPTP v9.2.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d

% Computer : n005.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 : 300s
% WCLimit  : 300s
% DateTime : Tue May  5 05:18:06 PM UTC 2026

% Result   : Theorem 1.76s 1.85s
% Output   : CNFRefutation 1.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   17
% Syntax   : Number of formulae    :  114 (  12 unt;   0 def)
%            Number of atoms       :  408 ( 116 equ)
%            Maximal formula atoms :   30 (   3 avg)
%            Number of connectives :  489 ( 195   ~; 214   |;  39   &)
%                                         (   5 <=>;  36  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   7 con; 0-2 aty)
%            Number of variables   :  128 (   0 sgn  69   !;   6   ?)

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

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

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

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

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

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

fof(ax43,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( frontsegP(X1,X2)
               => frontsegP(app(X1,X3),X2) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax43) ).

fof(ax45,axiom,
    ! [X1] :
      ( ssList(X1)
     => frontsegP(X1,nil) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax45) ).

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

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

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

fof(ax50,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( rearsegP(X1,X2)
               => rearsegP(app(X3,X1),X2) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax50) ).

fof(ax51,axiom,
    ! [X1] :
      ( ssList(X1)
     => rearsegP(X1,nil) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax51) ).

fof(ax6,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( rearsegP(X1,X2)
          <=> ? [X3] :
                ( ssList(X3)
                & app(X3,X2) = X1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax6) ).

fof(ax55,axiom,
    ! [X1] :
      ( ssList(X1)
     => segmentP(X1,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax55) ).

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

fof(c_0_17,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ~ ssList(X4)
                    | X2 != X4
                    | X1 != X3
                    | ( nil != X3
                      & nil = X4 )
                    | ( ! [X5] :
                          ( ssItem(X5)
                         => ! [X6] :
                              ( ~ ssList(X6)
                              | app(cons(X5,nil),X6) != X4
                              | app(X6,cons(X5,nil)) != X3 ) )
                      & neq(X4,nil) )
                    | ( ( nil != X2
                        | nil = X1 )
                      & ( ~ neq(X2,nil)
                        | ? [X7] :
                            ( ssList(X7)
                            & neq(X7,nil)
                            & segmentP(X2,X7)
                            & segmentP(X1,X7) ) ) ) ) ) ) ),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[co1])]) ).

fof(c_0_18,plain,
    ! [X239,X240,X243,X244] :
      ( ( ssList(esk8_2(X239,X240))
        | ~ segmentP(X239,X240)
        | ~ ssList(X240)
        | ~ ssList(X239) )
      & ( ssList(esk9_2(X239,X240))
        | ~ segmentP(X239,X240)
        | ~ ssList(X240)
        | ~ ssList(X239) )
      & ( app(app(esk8_2(X239,X240),X240),esk9_2(X239,X240)) = X239
        | ~ segmentP(X239,X240)
        | ~ ssList(X240)
        | ~ ssList(X239) )
      & ( ~ ssList(X243)
        | ~ ssList(X244)
        | app(app(X243,X240),X244) != X239
        | segmentP(X239,X240)
        | ~ ssList(X240)
        | ~ ssList(X239) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax7])])])])]) ).

fof(c_0_19,negated_conjecture,
    ! [X468] :
      ( ssList(esk48_0)
      & ssList(esk49_0)
      & ssList(esk50_0)
      & ssList(esk51_0)
      & esk49_0 = esk51_0
      & esk48_0 = esk50_0
      & ( nil = esk50_0
        | nil != esk51_0 )
      & ( ssItem(esk52_0)
        | ~ neq(esk51_0,nil) )
      & ( ssList(esk53_0)
        | ~ neq(esk51_0,nil) )
      & ( app(cons(esk52_0,nil),esk53_0) = esk51_0
        | ~ neq(esk51_0,nil) )
      & ( app(esk53_0,cons(esk52_0,nil)) = esk50_0
        | ~ neq(esk51_0,nil) )
      & ( neq(esk49_0,nil)
        | nil = esk49_0 )
      & ( ~ ssList(X468)
        | ~ neq(X468,nil)
        | ~ segmentP(esk49_0,X468)
        | ~ segmentP(esk48_0,X468)
        | nil = esk49_0 )
      & ( neq(esk49_0,nil)
        | nil != esk48_0 )
      & ( ~ ssList(X468)
        | ~ neq(X468,nil)
        | ~ segmentP(esk49_0,X468)
        | ~ segmentP(esk48_0,X468)
        | nil != esk48_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_17])])])])]) ).

cnf(c_0_20,plain,
    ( segmentP(X4,X3)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | app(app(X1,X3),X2) != X4
    | ~ ssList(X3)
    | ~ ssList(X4) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

fof(c_0_21,plain,
    ! [X346] :
      ( ~ ssList(X346)
      | app(nil,X346) = X346 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax28])]) ).

fof(c_0_22,plain,
    ! [X341,X342] :
      ( ~ ssList(X341)
      | ~ ssList(X342)
      | ssList(app(X341,X342)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax26])])]) ).

cnf(c_0_23,negated_conjecture,
    ( app(esk53_0,cons(esk52_0,nil)) = esk50_0
    | ~ neq(esk51_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_24,negated_conjecture,
    esk48_0 = esk50_0,
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_25,negated_conjecture,
    ( neq(esk49_0,nil)
    | nil = esk49_0 ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_26,negated_conjecture,
    esk49_0 = esk51_0,
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_27,plain,
    ( segmentP(app(app(X1,X2),X3),X2)
    | ~ ssList(app(app(X1,X2),X3))
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ ssList(X1) ),
    inference(er,[status(thm)],[c_0_20]) ).

cnf(c_0_28,plain,
    ( app(nil,X1) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_29,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

cnf(c_0_30,plain,
    ( ssList(app(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_22]) ).

cnf(c_0_31,negated_conjecture,
    ( app(esk53_0,cons(esk52_0,nil)) = esk48_0
    | ~ neq(esk51_0,nil) ),
    inference(rw,[status(thm)],[c_0_23,c_0_24]) ).

cnf(c_0_32,negated_conjecture,
    ( esk51_0 = nil
    | neq(esk51_0,nil) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_25,c_0_26]),c_0_26]) ).

cnf(c_0_33,negated_conjecture,
    ( ssList(esk53_0)
    | ~ neq(esk51_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

fof(c_0_34,plain,
    ! [X438] :
      ( ~ ssList(X438)
      | app(X438,nil) = X438 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax84])]) ).

fof(c_0_35,plain,
    ! [X375,X376,X377] :
      ( ~ ssList(X375)
      | ~ ssList(X376)
      | ~ ssList(X377)
      | ~ frontsegP(X375,X376)
      | frontsegP(app(X375,X377),X376) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax43])])]) ).

fof(c_0_36,plain,
    ! [X382] :
      ( ~ ssList(X382)
      | frontsegP(X382,nil) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax45])]) ).

cnf(c_0_37,plain,
    ( segmentP(app(X1,X2),X1)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_27,c_0_28]),c_0_29])]),c_0_30]) ).

cnf(c_0_38,negated_conjecture,
    ( app(esk53_0,cons(esk52_0,nil)) = esk48_0
    | esk51_0 = nil ),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_39,negated_conjecture,
    ( esk51_0 = nil
    | ssList(esk53_0) ),
    inference(spm,[status(thm)],[c_0_33,c_0_32]) ).

fof(c_0_40,plain,
    ! [X322,X323] :
      ( ~ ssList(X322)
      | ~ ssItem(X323)
      | ssList(cons(X323,X322)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax16])])]) ).

cnf(c_0_41,negated_conjecture,
    ( ssItem(esk52_0)
    | ~ neq(esk51_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_42,plain,
    ( app(X1,nil) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_34]) ).

cnf(c_0_43,negated_conjecture,
    ( app(cons(esk52_0,nil),esk53_0) = esk51_0
    | ~ neq(esk51_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_44,plain,
    ( frontsegP(app(X1,X3),X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ frontsegP(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_35]) ).

cnf(c_0_45,plain,
    ( frontsegP(X1,nil)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

cnf(c_0_46,negated_conjecture,
    ( nil = esk49_0
    | ~ ssList(X1)
    | ~ neq(X1,nil)
    | ~ segmentP(esk49_0,X1)
    | ~ segmentP(esk48_0,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_47,negated_conjecture,
    ( esk51_0 = nil
    | segmentP(esk48_0,esk53_0)
    | ~ ssList(cons(esk52_0,nil)) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_37,c_0_38]),c_0_39]) ).

cnf(c_0_48,plain,
    ( ssList(cons(X2,X1))
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_40]) ).

cnf(c_0_49,negated_conjecture,
    ( esk51_0 = nil
    | ssItem(esk52_0) ),
    inference(spm,[status(thm)],[c_0_41,c_0_32]) ).

cnf(c_0_50,plain,
    ( segmentP(app(X1,X2),X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_27,c_0_42]),c_0_29])]),c_0_30]) ).

cnf(c_0_51,negated_conjecture,
    ( app(cons(esk52_0,nil),esk53_0) = esk51_0
    | esk51_0 = nil ),
    inference(spm,[status(thm)],[c_0_43,c_0_32]) ).

cnf(c_0_52,plain,
    ( frontsegP(app(X1,X2),nil)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_29])]) ).

fof(c_0_53,plain,
    ! [X231,X232,X234] :
      ( ( ssList(esk6_2(X231,X232))
        | ~ frontsegP(X231,X232)
        | ~ ssList(X232)
        | ~ ssList(X231) )
      & ( app(X232,esk6_2(X231,X232)) = X231
        | ~ frontsegP(X231,X232)
        | ~ ssList(X232)
        | ~ ssList(X231) )
      & ( ~ ssList(X234)
        | app(X232,X234) != X231
        | frontsegP(X231,X232)
        | ~ ssList(X232)
        | ~ ssList(X231) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax5])])])])]) ).

cnf(c_0_54,negated_conjecture,
    ( esk51_0 = nil
    | ~ segmentP(esk48_0,X1)
    | ~ segmentP(esk51_0,X1)
    | ~ ssList(X1)
    | ~ neq(X1,nil) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_46,c_0_26]),c_0_26]) ).

cnf(c_0_55,negated_conjecture,
    ( esk51_0 = nil
    | segmentP(esk48_0,esk53_0) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_29])]),c_0_49]) ).

cnf(c_0_56,negated_conjecture,
    ( esk51_0 = nil
    | segmentP(esk51_0,esk53_0)
    | ~ ssList(cons(esk52_0,nil)) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_50,c_0_51]),c_0_39]) ).

cnf(c_0_57,negated_conjecture,
    ( esk51_0 = nil
    | frontsegP(esk51_0,nil)
    | ~ ssList(cons(esk52_0,nil)) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_51]),c_0_39]) ).

cnf(c_0_58,negated_conjecture,
    ssList(esk49_0),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_59,plain,
    ( app(X1,esk6_2(X2,X1)) = X2
    | ~ frontsegP(X2,X1)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_53]) ).

cnf(c_0_60,plain,
    ( ssList(esk6_2(X1,X2))
    | ~ frontsegP(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_53]) ).

fof(c_0_61,plain,
    ! [X431,X432] :
      ( ~ ssList(X431)
      | ~ ssItem(X432)
      | cons(X432,X431) = app(cons(X432,nil),X431) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax81])])]) ).

cnf(c_0_62,negated_conjecture,
    ( esk51_0 = nil
    | ~ segmentP(esk51_0,esk53_0)
    | ~ neq(esk53_0,nil) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_54,c_0_55]),c_0_39]) ).

cnf(c_0_63,negated_conjecture,
    ( esk51_0 = nil
    | segmentP(esk51_0,esk53_0) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_48]),c_0_29])]),c_0_49]) ).

fof(c_0_64,plain,
    ! [X320,X321] :
      ( ( ~ neq(X320,X321)
        | X320 != X321
        | ~ ssList(X321)
        | ~ ssList(X320) )
      & ( X320 = X321
        | neq(X320,X321)
        | ~ ssList(X321)
        | ~ ssList(X320) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax15])])])]) ).

fof(c_0_65,plain,
    ! [X390,X391,X392] :
      ( ~ ssList(X390)
      | ~ ssList(X391)
      | ~ ssList(X392)
      | ~ rearsegP(X390,X391)
      | rearsegP(app(X392,X390),X391) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax50])])]) ).

fof(c_0_66,plain,
    ! [X393] :
      ( ~ ssList(X393)
      | rearsegP(X393,nil) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax51])]) ).

cnf(c_0_67,negated_conjecture,
    ( esk51_0 = nil
    | frontsegP(esk51_0,nil) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_48]),c_0_29])]),c_0_49]) ).

cnf(c_0_68,negated_conjecture,
    ssList(esk51_0),
    inference(rw,[status(thm)],[c_0_58,c_0_26]) ).

cnf(c_0_69,plain,
    ( app(nil,esk6_2(X1,nil)) = X1
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_45]),c_0_29])]) ).

cnf(c_0_70,plain,
    ( ssList(esk6_2(X1,nil))
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_60,c_0_45]),c_0_29])]) ).

cnf(c_0_71,plain,
    ( cons(X2,X1) = app(cons(X2,nil),X1)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_61]) ).

cnf(c_0_72,negated_conjecture,
    ( esk51_0 = nil
    | ~ neq(esk53_0,nil) ),
    inference(spm,[status(thm)],[c_0_62,c_0_63]) ).

cnf(c_0_73,plain,
    ( X1 = X2
    | neq(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_64]) ).

cnf(c_0_74,plain,
    ( rearsegP(app(X3,X1),X2)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3)
    | ~ rearsegP(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_65]) ).

cnf(c_0_75,plain,
    ( rearsegP(X1,nil)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_66]) ).

cnf(c_0_76,negated_conjecture,
    ( app(nil,esk6_2(esk51_0,nil)) = esk51_0
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_67]),c_0_68]),c_0_29])]) ).

cnf(c_0_77,plain,
    ( esk6_2(X1,nil) = X1
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_69]),c_0_70]) ).

fof(c_0_78,plain,
    ! [X235,X236,X238] :
      ( ( ssList(esk7_2(X235,X236))
        | ~ rearsegP(X235,X236)
        | ~ ssList(X236)
        | ~ ssList(X235) )
      & ( app(esk7_2(X235,X236),X236) = X235
        | ~ rearsegP(X235,X236)
        | ~ ssList(X236)
        | ~ ssList(X235) )
      & ( ~ ssList(X238)
        | app(X238,X236) != X235
        | rearsegP(X235,X236)
        | ~ ssList(X236)
        | ~ ssList(X235) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax6])])])])]) ).

cnf(c_0_79,negated_conjecture,
    ( cons(esk52_0,esk53_0) = esk51_0
    | esk51_0 = nil ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_51,c_0_71]),c_0_49]),c_0_39]) ).

cnf(c_0_80,negated_conjecture,
    ( esk53_0 = nil
    | esk51_0 = nil ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_72,c_0_73]),c_0_29])]),c_0_39]) ).

cnf(c_0_81,plain,
    ( rearsegP(app(X1,X2),nil)
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_74,c_0_75]),c_0_29])]) ).

cnf(c_0_82,negated_conjecture,
    ( app(nil,esk51_0) = esk51_0
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_76,c_0_77]),c_0_68])]) ).

cnf(c_0_83,plain,
    ( app(esk7_2(X1,X2),X2) = X1
    | ~ rearsegP(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_78]) ).

cnf(c_0_84,plain,
    ( ssList(esk7_2(X1,X2))
    | ~ rearsegP(X1,X2)
    | ~ ssList(X2)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_78]) ).

cnf(c_0_85,negated_conjecture,
    ( cons(esk52_0,nil) = esk51_0
    | esk51_0 = nil ),
    inference(spm,[status(thm)],[c_0_79,c_0_80]) ).

cnf(c_0_86,negated_conjecture,
    ( esk51_0 = nil
    | rearsegP(esk51_0,nil) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_81,c_0_82]),c_0_29]),c_0_68])]) ).

cnf(c_0_87,plain,
    ( app(esk7_2(X1,nil),nil) = X1
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_83,c_0_75]),c_0_29])]) ).

cnf(c_0_88,plain,
    ( ssList(esk7_2(X1,nil))
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_84,c_0_75]),c_0_29])]) ).

fof(c_0_89,plain,
    ! [X400] :
      ( ~ ssList(X400)
      | segmentP(X400,X400) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax55])]) ).

cnf(c_0_90,negated_conjecture,
    ( app(esk53_0,esk51_0) = esk48_0
    | esk51_0 = nil ),
    inference(spm,[status(thm)],[c_0_38,c_0_85]) ).

cnf(c_0_91,negated_conjecture,
    ( app(esk7_2(esk51_0,nil),nil) = esk51_0
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_83,c_0_86]),c_0_29]),c_0_68])]) ).

cnf(c_0_92,plain,
    ( esk7_2(X1,nil) = X1
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_87]),c_0_88]) ).

cnf(c_0_93,plain,
    ( segmentP(X1,X1)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_89]) ).

cnf(c_0_94,negated_conjecture,
    ssList(esk48_0),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_95,negated_conjecture,
    ( app(nil,esk51_0) = esk48_0
    | esk51_0 = nil ),
    inference(spm,[status(thm)],[c_0_90,c_0_80]) ).

cnf(c_0_96,negated_conjecture,
    ( app(esk51_0,nil) = esk51_0
    | esk51_0 = nil ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_91,c_0_92]),c_0_68])]) ).

cnf(c_0_97,negated_conjecture,
    ( ~ ssList(X1)
    | ~ neq(X1,nil)
    | ~ segmentP(esk49_0,X1)
    | ~ segmentP(esk48_0,X1)
    | nil != esk48_0 ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_98,negated_conjecture,
    ( nil = esk50_0
    | nil != esk51_0 ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_99,negated_conjecture,
    ( esk51_0 = nil
    | ~ segmentP(esk51_0,esk48_0)
    | ~ neq(esk48_0,nil) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_54,c_0_93]),c_0_94])]) ).

cnf(c_0_100,negated_conjecture,
    ( esk51_0 = nil
    | esk48_0 = esk51_0 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_95]),c_0_68])]) ).

cnf(c_0_101,negated_conjecture,
    ( esk51_0 = nil
    | segmentP(esk51_0,esk51_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_37,c_0_96]),c_0_68]),c_0_29])]) ).

fof(c_0_102,plain,
    ! [X406] :
      ( ( ~ segmentP(nil,X406)
        | nil = X406
        | ~ ssList(X406) )
      & ( nil != X406
        | segmentP(nil,X406)
        | ~ ssList(X406) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax58])])]) ).

cnf(c_0_103,negated_conjecture,
    ( esk48_0 != nil
    | ~ segmentP(esk48_0,X1)
    | ~ segmentP(esk51_0,X1)
    | ~ ssList(X1)
    | ~ neq(X1,nil) ),
    inference(rw,[status(thm)],[c_0_97,c_0_26]) ).

cnf(c_0_104,negated_conjecture,
    ( esk48_0 = nil
    | esk51_0 != nil ),
    inference(rw,[status(thm)],[c_0_98,c_0_24]) ).

cnf(c_0_105,negated_conjecture,
    esk51_0 = nil,
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_99,c_0_100]),c_0_32]),c_0_101]) ).

cnf(c_0_106,plain,
    ( segmentP(nil,X1)
    | nil != X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_102]) ).

cnf(c_0_107,negated_conjecture,
    ( neq(esk49_0,nil)
    | nil != esk48_0 ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_108,negated_conjecture,
    ( esk48_0 != nil
    | ~ segmentP(esk51_0,esk48_0)
    | ~ neq(esk48_0,nil) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_103,c_0_93]),c_0_94])]) ).

cnf(c_0_109,negated_conjecture,
    esk48_0 = nil,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_104,c_0_105])]) ).

cnf(c_0_110,plain,
    segmentP(nil,nil),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[c_0_106]),c_0_29])]) ).

cnf(c_0_111,negated_conjecture,
    ( neq(esk51_0,nil)
    | esk48_0 != nil ),
    inference(rw,[status(thm)],[c_0_107,c_0_26]) ).

cnf(c_0_112,negated_conjecture,
    ~ neq(nil,nil),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_108,c_0_105]),c_0_109]),c_0_109]),c_0_110]),c_0_109])]) ).

cnf(c_0_113,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_111,c_0_105]),c_0_109])]),c_0_112]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SWC061+1 : TPTP v9.2.1. Released v2.4.0.
% 0.00/0.12  % Command    : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.33  % Computer : n005.cluster.edu
% 0.16/0.33  % Model    : x86_64 x86_64
% 0.16/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33  % Memory   : 8042.1875MB
% 0.16/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33  % CPULimit   : 300
% 0.16/0.33  % WCLimit    : 300
% 0.16/0.33  % DateTime   : Tue May  5 04:21:00 EDT 2026
% 0.16/0.33  % CPUTime    : 
% 0.16/0.34  % start to proof: theBenchmark
% 1.76/1.85  % Version  : CSE_E---1.7
% 1.76/1.85  % Problem  : theBenchmark.p
% 1.76/1.85  % SZS status Theorem for theBenchmark.p
% 1.76/1.85  % SZS output start CNFRefutation
% See solution above
% 1.76/1.85  % Total time : 1.372s
%------------------------------------------------------------------------------