TSTP Solution File: SWC165+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SWC165+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n020.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 : Thu Aug 31 20:20:21 EDT 2023

% Result   : Theorem 0.54s 0.73s
% Output   : CNFRefutation 0.54s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   92
% Syntax   : Number of formulae    :  134 (  21 unt;  82 typ;   0 def)
%            Number of atoms       :  247 (  68 equ)
%            Maximal formula atoms :   48 (   4 avg)
%            Number of connectives :  290 (  95   ~; 109   |;  43   &)
%                                         (   2 <=>;  41  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   32 (   5 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   85 (  68   >;  17   *;   0   +;   0  <<)
%            Number of predicates  :   21 (  19 usr;   1 prp; 0-2 aty)
%            Number of functors    :   63 (  63 usr;  14 con; 0-2 aty)
%            Number of variables   :   86 (   0 sgn;  60   !;   4   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    ssItem: $i > $o ).

tff(decl_23,type,
    neq: ( $i * $i ) > $o ).

tff(decl_24,type,
    ssList: $i > $o ).

tff(decl_25,type,
    memberP: ( $i * $i ) > $o ).

tff(decl_26,type,
    cons: ( $i * $i ) > $i ).

tff(decl_27,type,
    app: ( $i * $i ) > $i ).

tff(decl_28,type,
    singletonP: $i > $o ).

tff(decl_29,type,
    nil: $i ).

tff(decl_30,type,
    frontsegP: ( $i * $i ) > $o ).

tff(decl_31,type,
    rearsegP: ( $i * $i ) > $o ).

tff(decl_32,type,
    segmentP: ( $i * $i ) > $o ).

tff(decl_33,type,
    cyclefreeP: $i > $o ).

tff(decl_34,type,
    leq: ( $i * $i ) > $o ).

tff(decl_35,type,
    totalorderP: $i > $o ).

tff(decl_36,type,
    strictorderP: $i > $o ).

tff(decl_37,type,
    lt: ( $i * $i ) > $o ).

tff(decl_38,type,
    totalorderedP: $i > $o ).

tff(decl_39,type,
    strictorderedP: $i > $o ).

tff(decl_40,type,
    duplicatefreeP: $i > $o ).

tff(decl_41,type,
    equalelemsP: $i > $o ).

tff(decl_42,type,
    hd: $i > $i ).

tff(decl_43,type,
    tl: $i > $i ).

tff(decl_44,type,
    geq: ( $i * $i ) > $o ).

tff(decl_45,type,
    gt: ( $i * $i ) > $o ).

tff(decl_46,type,
    esk1_0: $i ).

tff(decl_47,type,
    esk2_0: $i ).

tff(decl_48,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_49,type,
    esk4_2: ( $i * $i ) > $i ).

tff(decl_50,type,
    esk5_1: $i > $i ).

tff(decl_51,type,
    esk6_2: ( $i * $i ) > $i ).

tff(decl_52,type,
    esk7_2: ( $i * $i ) > $i ).

tff(decl_53,type,
    esk8_2: ( $i * $i ) > $i ).

tff(decl_54,type,
    esk9_2: ( $i * $i ) > $i ).

tff(decl_55,type,
    esk10_1: $i > $i ).

tff(decl_56,type,
    esk11_1: $i > $i ).

tff(decl_57,type,
    esk12_1: $i > $i ).

tff(decl_58,type,
    esk13_1: $i > $i ).

tff(decl_59,type,
    esk14_1: $i > $i ).

tff(decl_60,type,
    esk15_1: $i > $i ).

tff(decl_61,type,
    esk16_1: $i > $i ).

tff(decl_62,type,
    esk17_1: $i > $i ).

tff(decl_63,type,
    esk18_1: $i > $i ).

tff(decl_64,type,
    esk19_1: $i > $i ).

tff(decl_65,type,
    esk20_1: $i > $i ).

tff(decl_66,type,
    esk21_1: $i > $i ).

tff(decl_67,type,
    esk22_1: $i > $i ).

tff(decl_68,type,
    esk23_1: $i > $i ).

tff(decl_69,type,
    esk24_1: $i > $i ).

tff(decl_70,type,
    esk25_1: $i > $i ).

tff(decl_71,type,
    esk26_1: $i > $i ).

tff(decl_72,type,
    esk27_1: $i > $i ).

tff(decl_73,type,
    esk28_1: $i > $i ).

tff(decl_74,type,
    esk29_1: $i > $i ).

tff(decl_75,type,
    esk30_1: $i > $i ).

tff(decl_76,type,
    esk31_1: $i > $i ).

tff(decl_77,type,
    esk32_1: $i > $i ).

tff(decl_78,type,
    esk33_1: $i > $i ).

tff(decl_79,type,
    esk34_1: $i > $i ).

tff(decl_80,type,
    esk35_1: $i > $i ).

tff(decl_81,type,
    esk36_1: $i > $i ).

tff(decl_82,type,
    esk37_1: $i > $i ).

tff(decl_83,type,
    esk38_1: $i > $i ).

tff(decl_84,type,
    esk39_1: $i > $i ).

tff(decl_85,type,
    esk40_1: $i > $i ).

tff(decl_86,type,
    esk41_1: $i > $i ).

tff(decl_87,type,
    esk42_1: $i > $i ).

tff(decl_88,type,
    esk43_1: $i > $i ).

tff(decl_89,type,
    esk44_1: $i > $i ).

tff(decl_90,type,
    esk45_1: $i > $i ).

tff(decl_91,type,
    esk46_1: $i > $i ).

tff(decl_92,type,
    esk47_1: $i > $i ).

tff(decl_93,type,
    esk48_0: $i ).

tff(decl_94,type,
    esk49_0: $i ).

tff(decl_95,type,
    esk50_0: $i ).

tff(decl_96,type,
    esk51_0: $i ).

tff(decl_97,type,
    esk52_0: $i ).

tff(decl_98,type,
    esk53_0: $i ).

tff(decl_99,type,
    esk54_0: $i ).

tff(decl_100,type,
    esk55_0: $i ).

tff(decl_101,type,
    esk56_0: $i ).

tff(decl_102,type,
    esk57_0: $i ).

tff(decl_103,type,
    esk58_0: $i ).

fof(co1,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ! [X5] :
                        ( ssItem(X5)
                       => ! [X6] :
                            ( ssItem(X6)
                           => ! [X7] :
                                ( ssList(X7)
                               => ! [X8] :
                                    ( ssList(X8)
                                   => ( app(app(app(X7,cons(X5,nil)),cons(X6,nil)),X8) != X1
                                      | neq(X5,X6) ) ) ) ) )
                    | ( ! [X9] :
                          ( ssItem(X9)
                         => ! [X10] :
                              ( ssList(X10)
                             => ! [X11] :
                                  ( ssList(X11)
                                 => ( cons(X9,nil) != X3
                                    | app(app(X10,X3),X11) != X4
                                    | ? [X12] :
                                        ( ssItem(X12)
                                        & memberP(X10,X12)
                                        & lt(X9,X12) )
                                    | ? [X13] :
                                        ( ssItem(X13)
                                        & memberP(X11,X13)
                                        & lt(X13,X9) ) ) ) ) )
                      & ( nil != X4
                        | nil != X3 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(ax1,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax1) ).

fof(ax82,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => app(app(X1,X2),X3) = app(X1,app(X2,X3)) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax82) ).

fof(ax16,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ssList(cons(X2,X1)) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax16) ).

fof(ax17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax17) ).

fof(ax26,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ssList(app(X1,X2)) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax26) ).

fof(ax13,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( duplicatefreeP(X1)
      <=> ! [X2] :
            ( ssItem(X2)
           => ! [X3] :
                ( ssItem(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ! [X5] :
                        ( ssList(X5)
                       => ! [X6] :
                            ( ssList(X6)
                           => ( app(app(X4,cons(X2,X5)),cons(X3,X6)) = X1
                             => X2 != X3 ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax13) ).

fof(ax81,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssItem(X2)
         => cons(X2,X1) = app(cons(X2,nil),X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax81) ).

fof(ax71,axiom,
    ! [X1] :
      ( ssItem(X1)
     => duplicatefreeP(cons(X1,nil)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax71) ).

fof(ax72,axiom,
    duplicatefreeP(nil),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax72) ).

fof(c_0_10,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ! [X5] :
                          ( ssItem(X5)
                         => ! [X6] :
                              ( ssItem(X6)
                             => ! [X7] :
                                  ( ssList(X7)
                                 => ! [X8] :
                                      ( ssList(X8)
                                     => ( app(app(app(X7,cons(X5,nil)),cons(X6,nil)),X8) != X1
                                        | neq(X5,X6) ) ) ) ) )
                      | ( ! [X9] :
                            ( ssItem(X9)
                           => ! [X10] :
                                ( ssList(X10)
                               => ! [X11] :
                                    ( ssList(X11)
                                   => ( cons(X9,nil) != X3
                                      | app(app(X10,X3),X11) != X4
                                      | ? [X12] :
                                          ( ssItem(X12)
                                          & memberP(X10,X12)
                                          & lt(X9,X12) )
                                      | ? [X13] :
                                          ( ssItem(X13)
                                          & memberP(X11,X13)
                                          & lt(X13,X9) ) ) ) ) )
                        & ( nil != X4
                          | nil != X3 ) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[co1]) ).

fof(c_0_11,negated_conjecture,
    ! [X269,X270] :
      ( ssList(esk48_0)
      & ssList(esk49_0)
      & ssList(esk50_0)
      & ssList(esk51_0)
      & esk49_0 = esk51_0
      & esk48_0 = esk50_0
      & ssItem(esk52_0)
      & ssItem(esk53_0)
      & ssList(esk54_0)
      & ssList(esk55_0)
      & app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk53_0,nil)),esk55_0) = esk48_0
      & ~ neq(esk52_0,esk53_0)
      & ( nil = esk51_0
        | ssItem(esk56_0) )
      & ( nil = esk50_0
        | ssItem(esk56_0) )
      & ( nil = esk51_0
        | ssList(esk57_0) )
      & ( nil = esk50_0
        | ssList(esk57_0) )
      & ( nil = esk51_0
        | ssList(esk58_0) )
      & ( nil = esk50_0
        | ssList(esk58_0) )
      & ( nil = esk51_0
        | cons(esk56_0,nil) = esk50_0 )
      & ( nil = esk50_0
        | cons(esk56_0,nil) = esk50_0 )
      & ( nil = esk51_0
        | app(app(esk57_0,esk50_0),esk58_0) = esk51_0 )
      & ( nil = esk50_0
        | app(app(esk57_0,esk50_0),esk58_0) = esk51_0 )
      & ( nil = esk51_0
        | ~ ssItem(X269)
        | ~ memberP(esk57_0,X269)
        | ~ lt(esk56_0,X269) )
      & ( nil = esk50_0
        | ~ ssItem(X269)
        | ~ memberP(esk57_0,X269)
        | ~ lt(esk56_0,X269) )
      & ( nil = esk51_0
        | ~ ssItem(X270)
        | ~ memberP(esk58_0,X270)
        | ~ lt(X270,esk56_0) )
      & ( nil = esk50_0
        | ~ ssItem(X270)
        | ~ memberP(esk58_0,X270)
        | ~ lt(X270,esk56_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_10])])])])]) ).

fof(c_0_12,plain,
    ! [X14,X15] :
      ( ( ~ neq(X14,X15)
        | X14 != X15
        | ~ ssItem(X15)
        | ~ ssItem(X14) )
      & ( X14 = X15
        | neq(X14,X15)
        | ~ ssItem(X15)
        | ~ ssItem(X14) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax1])])])]) ).

cnf(c_0_13,negated_conjecture,
    app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk53_0,nil)),esk55_0) = esk48_0,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_14,negated_conjecture,
    esk48_0 = esk50_0,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_15,negated_conjecture,
    ~ neq(esk52_0,esk53_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    ( X1 = X2
    | neq(X1,X2)
    | ~ ssItem(X2)
    | ~ ssItem(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_17,negated_conjecture,
    ssItem(esk53_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_18,negated_conjecture,
    ssItem(esk52_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_19,negated_conjecture,
    app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk53_0,nil)),esk55_0) = esk50_0,
    inference(rw,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_20,negated_conjecture,
    esk53_0 = esk52_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_15,c_0_16]),c_0_17]),c_0_18])]) ).

fof(c_0_21,plain,
    ! [X229,X230,X231] :
      ( ~ ssList(X229)
      | ~ ssList(X230)
      | ~ ssList(X231)
      | app(app(X229,X230),X231) = app(X229,app(X230,X231)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax82])])]) ).

cnf(c_0_22,negated_conjecture,
    app(app(app(esk54_0,cons(esk52_0,nil)),cons(esk52_0,nil)),esk55_0) = esk50_0,
    inference(spm,[status(thm)],[c_0_19,c_0_20]) ).

cnf(c_0_23,plain,
    ( app(app(X1,X2),X3) = app(X1,app(X2,X3))
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_24,negated_conjecture,
    ssList(esk55_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

fof(c_0_25,plain,
    ! [X118,X119] :
      ( ~ ssList(X118)
      | ~ ssItem(X119)
      | ssList(cons(X119,X118)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax16])])]) ).

cnf(c_0_26,negated_conjecture,
    ( app(app(esk54_0,cons(esk52_0,nil)),app(cons(esk52_0,nil),esk55_0)) = esk50_0
    | ~ ssList(app(esk54_0,cons(esk52_0,nil)))
    | ~ ssList(cons(esk52_0,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_27,plain,
    ( ssList(cons(X2,X1))
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_25]) ).

cnf(c_0_28,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

fof(c_0_29,plain,
    ! [X137,X138] :
      ( ~ ssList(X137)
      | ~ ssList(X138)
      | ssList(app(X137,X138)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax26])])]) ).

cnf(c_0_30,negated_conjecture,
    ( app(app(esk54_0,cons(esk52_0,nil)),app(cons(esk52_0,nil),esk55_0)) = esk50_0
    | ~ ssList(app(esk54_0,cons(esk52_0,nil))) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_26,c_0_27]),c_0_28]),c_0_18])]) ).

cnf(c_0_31,plain,
    ( ssList(app(X1,X2))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_29]) ).

cnf(c_0_32,negated_conjecture,
    ssList(esk54_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

fof(c_0_33,plain,
    ! [X96,X97,X98,X99,X100,X101] :
      ( ( ~ duplicatefreeP(X96)
        | ~ ssItem(X97)
        | ~ ssItem(X98)
        | ~ ssList(X99)
        | ~ ssList(X100)
        | ~ ssList(X101)
        | app(app(X99,cons(X97,X100)),cons(X98,X101)) != X96
        | X97 != X98
        | ~ ssList(X96) )
      & ( ssItem(esk35_1(X96))
        | duplicatefreeP(X96)
        | ~ ssList(X96) )
      & ( ssItem(esk36_1(X96))
        | duplicatefreeP(X96)
        | ~ ssList(X96) )
      & ( ssList(esk37_1(X96))
        | duplicatefreeP(X96)
        | ~ ssList(X96) )
      & ( ssList(esk38_1(X96))
        | duplicatefreeP(X96)
        | ~ ssList(X96) )
      & ( ssList(esk39_1(X96))
        | duplicatefreeP(X96)
        | ~ ssList(X96) )
      & ( app(app(esk37_1(X96),cons(esk35_1(X96),esk38_1(X96))),cons(esk36_1(X96),esk39_1(X96))) = X96
        | duplicatefreeP(X96)
        | ~ ssList(X96) )
      & ( esk35_1(X96) = esk36_1(X96)
        | duplicatefreeP(X96)
        | ~ ssList(X96) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax13])])])])]) ).

cnf(c_0_34,negated_conjecture,
    ( app(app(esk54_0,cons(esk52_0,nil)),app(cons(esk52_0,nil),esk55_0)) = esk50_0
    | ~ ssList(cons(esk52_0,nil)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_30,c_0_31]),c_0_32])]) ).

fof(c_0_35,plain,
    ! [X227,X228] :
      ( ~ ssList(X227)
      | ~ ssItem(X228)
      | cons(X228,X227) = app(cons(X228,nil),X227) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax81])])]) ).

fof(c_0_36,plain,
    ! [X212] :
      ( ~ ssItem(X212)
      | duplicatefreeP(cons(X212,nil)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax71])]) ).

cnf(c_0_37,plain,
    ( ~ duplicatefreeP(X1)
    | ~ ssItem(X2)
    | ~ ssItem(X3)
    | ~ ssList(X4)
    | ~ ssList(X5)
    | ~ ssList(X6)
    | app(app(X4,cons(X2,X5)),cons(X3,X6)) != X1
    | X2 != X3
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

cnf(c_0_38,negated_conjecture,
    app(app(esk54_0,cons(esk52_0,nil)),app(cons(esk52_0,nil),esk55_0)) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_34,c_0_27]),c_0_28]),c_0_18])]) ).

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

cnf(c_0_40,negated_conjecture,
    ssList(esk48_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_41,plain,
    ( duplicatefreeP(cons(X1,nil))
    | ~ ssItem(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

cnf(c_0_42,negated_conjecture,
    ( nil = esk50_0
    | cons(esk56_0,nil) = esk50_0 ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_43,negated_conjecture,
    ( nil = esk50_0
    | ssItem(esk56_0) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_44,plain,
    ( ~ duplicatefreeP(app(app(X1,cons(X2,X3)),cons(X2,X4)))
    | ~ ssList(app(app(X1,cons(X2,X3)),cons(X2,X4)))
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(er,[status(thm)],[inference(er,[status(thm)],[c_0_37])]) ).

cnf(c_0_45,negated_conjecture,
    app(app(esk54_0,cons(esk52_0,nil)),cons(esk52_0,esk55_0)) = esk50_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_24]),c_0_18])]) ).

cnf(c_0_46,negated_conjecture,
    ssList(esk50_0),
    inference(rw,[status(thm)],[c_0_40,c_0_14]) ).

cnf(c_0_47,negated_conjecture,
    ( esk50_0 = nil
    | duplicatefreeP(esk50_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_41,c_0_42]),c_0_43]) ).

cnf(c_0_48,negated_conjecture,
    ~ duplicatefreeP(esk50_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_46]),c_0_24]),c_0_28]),c_0_32]),c_0_18])]) ).

cnf(c_0_49,negated_conjecture,
    esk50_0 = nil,
    inference(sr,[status(thm)],[c_0_47,c_0_48]) ).

cnf(c_0_50,plain,
    duplicatefreeP(nil),
    inference(split_conjunct,[status(thm)],[ax72]) ).

cnf(c_0_51,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_48,c_0_49]),c_0_50])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : SWC165+1 : TPTP v8.1.2. Released v2.4.0.
% 0.06/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.14/0.34  % Computer : n020.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Mon Aug 28 17:08:28 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.20/0.57  start to proof: theBenchmark
% 0.54/0.73  % Version  : CSE_E---1.5
% 0.54/0.73  % Problem  : theBenchmark.p
% 0.54/0.73  % Proof found
% 0.54/0.73  % SZS status Theorem for theBenchmark.p
% 0.54/0.73  % SZS output start Proof
% See solution above
% 0.54/0.74  % Total time : 0.152000 s
% 0.54/0.74  % SZS output end Proof
% 0.54/0.74  % Total time : 0.158000 s
%------------------------------------------------------------------------------