TSTP Solution File: SET863-2 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET863-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n022.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 : Wed Aug 31 18:25:57 EDT 2022

% Result   : Unsatisfiable 0.19s 0.55s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   28
% Syntax   : Number of formulae    :  103 (  19 unt;   0 def)
%            Number of atoms       :  308 (   4 equ)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :  365 ( 160   ~; 195   |;   0   &)
%                                         (  10 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   14 (  12 usr;  11 prp; 0-3 aty)
%            Number of functors    :   19 (  19 usr;  11 con; 0-3 aty)
%            Number of variables   :  140 ( 140   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f241,plain,
    $false,
    inference(avatar_sat_refutation,[],[f70,f72,f103,f192,f194,f200,f201,f209,f231,f234,f239]) ).

fof(f239,plain,
    ( spl4_18
    | ~ spl4_17 ),
    inference(avatar_split_clause,[],[f238,f225,f228]) ).

fof(f228,plain,
    ( spl4_18
  <=> c_in(v_xa,v_y,t_a) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_18])]) ).

fof(f225,plain,
    ( spl4_17
  <=> ! [X0] :
        ( c_in(X0,v_y,t_a)
        | ~ c_in(X0,v_x,t_a) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_17])]) ).

fof(f238,plain,
    ( c_in(v_xa,v_y,t_a)
    | ~ spl4_17 ),
    inference(resolution,[],[f226,f12]) ).

fof(f12,axiom,
    c_in(v_xa,v_x,t_a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_5) ).

fof(f226,plain,
    ( ! [X0] :
        ( ~ c_in(X0,v_x,t_a)
        | c_in(X0,v_y,t_a) )
    | ~ spl4_17 ),
    inference(avatar_component_clause,[],[f225]) ).

fof(f234,plain,
    ~ spl4_18,
    inference(avatar_contradiction_clause,[],[f232]) ).

fof(f232,plain,
    ( $false
    | ~ spl4_18 ),
    inference(resolution,[],[f230,f13]) ).

fof(f13,axiom,
    ~ c_in(v_xa,v_y,t_a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_6) ).

fof(f230,plain,
    ( c_in(v_xa,v_y,t_a)
    | ~ spl4_18 ),
    inference(avatar_component_clause,[],[f228]) ).

fof(f231,plain,
    ( spl4_17
    | spl4_18
    | ~ spl4_6
    | ~ spl4_15 ),
    inference(avatar_split_clause,[],[f223,f198,f113,f228,f225]) ).

fof(f113,plain,
    ( spl4_6
  <=> ! [X11,X10] :
        ( c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,X11,t_a),v_c,sF1)
        | ~ c_in(X10,v_x,t_a)
        | c_in(X10,X11,t_a) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_6])]) ).

fof(f198,plain,
    ( spl4_15
  <=> ! [X0,X1] :
        ( c_in(X0,X1,t_a)
        | ~ c_in(X0,v_x,t_a)
        | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(v_c,X1,t_a),X1,sF1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_15])]) ).

fof(f223,plain,
    ( ! [X0] :
        ( c_in(v_xa,v_y,t_a)
        | c_in(X0,v_y,t_a)
        | ~ c_in(X0,v_x,t_a) )
    | ~ spl4_6
    | ~ spl4_15 ),
    inference(resolution,[],[f199,f219]) ).

fof(f219,plain,
    ( ! [X0] :
        ( c_lessequals(c_Zorn_Omaxchain__super__lemma__1(v_c,X0,t_a),v_y,sF1)
        | c_in(v_xa,X0,t_a) )
    | ~ spl4_6 ),
    inference(resolution,[],[f217,f19]) ).

fof(f19,plain,
    ! [X8] :
      ( ~ c_in(X8,v_c,sF1)
      | c_lessequals(X8,v_y,sF1) ),
    inference(definition_folding,[],[f14,f16,f16]) ).

fof(f16,plain,
    tc_set(t_a) = sF1,
    introduced(function_definition,[]) ).

fof(f14,axiom,
    ! [X8] :
      ( ~ c_in(X8,v_c,tc_set(t_a))
      | c_lessequals(X8,v_y,tc_set(t_a)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_7) ).

fof(f217,plain,
    ( ! [X7] :
        ( c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,X7,t_a),v_c,sF1)
        | c_in(v_xa,X7,t_a) )
    | ~ spl4_6 ),
    inference(resolution,[],[f114,f12]) ).

fof(f114,plain,
    ( ! [X10,X11] :
        ( ~ c_in(X10,v_x,t_a)
        | c_in(X10,X11,t_a)
        | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,X11,t_a),v_c,sF1) )
    | ~ spl4_6 ),
    inference(avatar_component_clause,[],[f113]) ).

fof(f199,plain,
    ( ! [X0,X1] :
        ( ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(v_c,X1,t_a),X1,sF1)
        | ~ c_in(X0,v_x,t_a)
        | c_in(X0,X1,t_a) )
    | ~ spl4_15 ),
    inference(avatar_component_clause,[],[f198]) ).

fof(f209,plain,
    ( ~ spl4_13
    | spl4_5
    | ~ spl4_2
    | spl4_14 ),
    inference(avatar_split_clause,[],[f202,f189,f68,f109,f185]) ).

fof(f185,plain,
    ( spl4_13
  <=> c_in(v_x,v_S,sF1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_13])]) ).

fof(f109,plain,
    ( spl4_5
  <=> c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_y,sF1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_5])]) ).

fof(f68,plain,
    ( spl4_2
  <=> ! [X0] :
        ( ~ c_in(X0,v_S,sF1)
        | c_in(c_union(c_insert(X0,c_emptyset,sF1),v_c,sF1),sF0,sF2)
        | c_lessequals(c_Zorn_Ochain__extend__1(v_c,X0,t_a),v_y,sF1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_2])]) ).

fof(f189,plain,
    ( spl4_14
  <=> c_in(c_union(c_insert(v_x,c_emptyset,sF1),v_c,sF1),sF0,sF2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_14])]) ).

fof(f202,plain,
    ( c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_y,sF1)
    | ~ c_in(v_x,v_S,sF1)
    | ~ spl4_2
    | spl4_14 ),
    inference(resolution,[],[f190,f69]) ).

fof(f69,plain,
    ( ! [X0] :
        ( c_in(c_union(c_insert(X0,c_emptyset,sF1),v_c,sF1),sF0,sF2)
        | c_lessequals(c_Zorn_Ochain__extend__1(v_c,X0,t_a),v_y,sF1)
        | ~ c_in(X0,v_S,sF1) )
    | ~ spl4_2 ),
    inference(avatar_component_clause,[],[f68]) ).

fof(f190,plain,
    ( ~ c_in(c_union(c_insert(v_x,c_emptyset,sF1),v_c,sF1),sF0,sF2)
    | spl4_14 ),
    inference(avatar_component_clause,[],[f189]) ).

fof(f201,plain,
    ( spl4_6
    | ~ spl4_3
    | ~ spl4_14 ),
    inference(avatar_split_clause,[],[f196,f189,f95,f113]) ).

fof(f95,plain,
    ( spl4_3
  <=> c_in(v_c,sF3,sF2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_3])]) ).

fof(f196,plain,
    ( ! [X2,X3] :
        ( ~ c_in(v_c,sF3,sF2)
        | ~ c_in(X3,v_x,t_a)
        | c_in(X3,X2,t_a)
        | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,X2,t_a),v_c,sF1) )
    | ~ spl4_14 ),
    inference(resolution,[],[f191,f91]) ).

fof(f91,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,sF2)
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,sF1)
      | ~ c_in(X2,X0,t_a)
      | c_in(X2,X3,t_a)
      | ~ c_in(X1,sF3,sF2) ),
    inference(forward_demodulation,[],[f90,f21]) ).

fof(f21,plain,
    c_Zorn_Omaxchain(v_S,t_a) = sF3,
    introduced(function_definition,[]) ).

fof(f90,plain,
    ! [X2,X3,X0,X1] :
      ( c_in(X2,X3,t_a)
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,sF1)
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),sF2)
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,sF2)
      | ~ c_in(X2,X0,t_a) ),
    inference(forward_demodulation,[],[f89,f16]) ).

fof(f89,plain,
    ! [X2,X3,X0,X1] :
      ( c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,tc_set(t_a))
      | c_in(X2,X3,t_a)
      | ~ c_in(X2,X0,t_a)
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),sF2)
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,sF2) ),
    inference(forward_demodulation,[],[f88,f17]) ).

fof(f17,plain,
    tc_set(sF1) = sF2,
    introduced(function_definition,[]) ).

fof(f88,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1))
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,tc_set(t_a))
      | ~ c_in(X2,X0,t_a)
      | c_in(X2,X3,t_a)
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),sF2) ),
    inference(forward_demodulation,[],[f87,f17]) ).

fof(f87,plain,
    ! [X2,X3,X0,X1] :
      ( c_in(X2,X3,t_a)
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(sF1))
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1))
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,tc_set(t_a))
      | ~ c_in(X2,X0,t_a) ),
    inference(forward_demodulation,[],[f86,f16]) ).

fof(f86,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a)))
      | c_in(X2,X3,t_a)
      | ~ c_in(X2,X0,t_a)
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,tc_set(t_a))
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f81,f16]) ).

fof(f81,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(c_union(c_insert(X0,c_emptyset,tc_set(t_a)),X1,tc_set(t_a)),sF0,tc_set(tc_set(t_a)))
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a)))
      | ~ c_in(X2,X0,t_a)
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X1,tc_set(t_a))
      | c_in(X2,X3,t_a) ),
    inference(superposition,[],[f6,f15]) ).

fof(f15,plain,
    c_Zorn_Ochain(v_S,t_a) = sF0,
    introduced(function_definition,[]) ).

fof(f6,axiom,
    ! [X2,X0,X6,X7,X4,X5] :
      ( ~ c_in(c_union(c_insert(X6,c_emptyset,tc_set(X2)),X0,tc_set(X2)),c_Zorn_Ochain(X5,X2),tc_set(tc_set(X2)))
      | c_in(X4,X7,X2)
      | ~ c_in(X0,c_Zorn_Omaxchain(X5,X2),tc_set(tc_set(X2)))
      | c_in(c_Zorn_Omaxchain__super__lemma__1(X0,X7,X2),X0,tc_set(X2))
      | ~ c_in(X4,X6,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Zorn_Omaxchain__super__lemma_0) ).

fof(f191,plain,
    ( c_in(c_union(c_insert(v_x,c_emptyset,sF1),v_c,sF1),sF0,sF2)
    | ~ spl4_14 ),
    inference(avatar_component_clause,[],[f189]) ).

fof(f200,plain,
    ( ~ spl4_3
    | spl4_15
    | ~ spl4_14 ),
    inference(avatar_split_clause,[],[f195,f189,f198,f95]) ).

fof(f195,plain,
    ( ! [X0,X1] :
        ( c_in(X0,X1,t_a)
        | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(v_c,X1,t_a),X1,sF1)
        | ~ c_in(X0,v_x,t_a)
        | ~ c_in(v_c,sF3,sF2) )
    | ~ spl4_14 ),
    inference(resolution,[],[f191,f165]) ).

fof(f165,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,sF2)
      | ~ c_in(X2,X0,t_a)
      | ~ c_in(X1,sF3,sF2)
      | c_in(X2,X3,t_a)
      | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,sF1) ),
    inference(forward_demodulation,[],[f164,f17]) ).

fof(f164,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,sF1)
      | ~ c_in(X2,X0,t_a)
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1))
      | ~ c_in(X1,sF3,sF2)
      | c_in(X2,X3,t_a) ),
    inference(forward_demodulation,[],[f163,f21]) ).

fof(f163,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),sF2)
      | c_in(X2,X3,t_a)
      | ~ c_in(X2,X0,t_a)
      | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,sF1)
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f162,f17]) ).

fof(f162,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(X2,X0,t_a)
      | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,sF1)
      | c_in(X2,X3,t_a)
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(sF1))
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f161,f16]) ).

fof(f161,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a)))
      | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,sF1)
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1))
      | c_in(X2,X3,t_a)
      | ~ c_in(X2,X0,t_a) ),
    inference(forward_demodulation,[],[f160,f16]) ).

fof(f160,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,tc_set(t_a))
      | ~ c_in(c_union(c_insert(X0,c_emptyset,sF1),X1,sF1),sF0,tc_set(sF1))
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a)))
      | ~ c_in(X2,X0,t_a)
      | c_in(X2,X3,t_a) ),
    inference(forward_demodulation,[],[f155,f16]) ).

fof(f155,plain,
    ! [X2,X3,X0,X1] :
      ( ~ c_in(c_union(c_insert(X0,c_emptyset,tc_set(t_a)),X1,tc_set(t_a)),sF0,tc_set(tc_set(t_a)))
      | ~ c_in(X2,X0,t_a)
      | c_in(X2,X3,t_a)
      | ~ c_in(X1,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a)))
      | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X1,X3,t_a),X3,tc_set(t_a)) ),
    inference(superposition,[],[f7,f15]) ).

fof(f7,axiom,
    ! [X2,X0,X6,X7,X4,X5] :
      ( ~ c_in(c_union(c_insert(X6,c_emptyset,tc_set(X2)),X0,tc_set(X2)),c_Zorn_Ochain(X5,X2),tc_set(tc_set(X2)))
      | ~ c_in(X4,X6,X2)
      | ~ c_lessequals(c_Zorn_Omaxchain__super__lemma__1(X0,X7,X2),X7,tc_set(X2))
      | c_in(X4,X7,X2)
      | ~ c_in(X0,c_Zorn_Omaxchain(X5,X2),tc_set(tc_set(X2))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Zorn_Omaxchain__super__lemma_1) ).

fof(f194,plain,
    spl4_13,
    inference(avatar_contradiction_clause,[],[f193]) ).

fof(f193,plain,
    ( $false
    | spl4_13 ),
    inference(resolution,[],[f187,f20]) ).

fof(f20,plain,
    c_in(v_x,v_S,sF1),
    inference(definition_folding,[],[f10,f16]) ).

fof(f10,axiom,
    c_in(v_x,v_S,tc_set(t_a)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_3) ).

fof(f187,plain,
    ( ~ c_in(v_x,v_S,sF1)
    | spl4_13 ),
    inference(avatar_component_clause,[],[f185]) ).

fof(f192,plain,
    ( ~ spl4_13
    | spl4_14
    | ~ spl4_1
    | ~ spl4_5 ),
    inference(avatar_split_clause,[],[f183,f109,f64,f189,f185]) ).

fof(f64,plain,
    ( spl4_1
  <=> c_in(v_c,sF0,sF2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_1])]) ).

fof(f183,plain,
    ( ~ c_in(v_c,sF0,sF2)
    | c_in(c_union(c_insert(v_x,c_emptyset,sF1),v_c,sF1),sF0,sF2)
    | ~ c_in(v_x,v_S,sF1)
    | ~ spl4_5 ),
    inference(superposition,[],[f173,f15]) ).

fof(f173,plain,
    ( ! [X0] :
        ( c_in(c_union(c_insert(v_x,c_emptyset,sF1),v_c,sF1),c_Zorn_Ochain(X0,t_a),sF2)
        | ~ c_in(v_x,X0,sF1)
        | ~ c_in(v_c,c_Zorn_Ochain(X0,t_a),sF2) )
    | ~ spl4_5 ),
    inference(resolution,[],[f172,f80]) ).

fof(f80,plain,
    ! [X2,X0,X1] :
      ( ~ c_lessequals(c_Zorn_Ochain__extend__1(X0,X1,t_a),X1,sF1)
      | ~ c_in(X0,c_Zorn_Ochain(X2,t_a),sF2)
      | c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),c_Zorn_Ochain(X2,t_a),sF2)
      | ~ c_in(X1,X2,sF1) ),
    inference(forward_demodulation,[],[f79,f17]) ).

fof(f79,plain,
    ! [X2,X0,X1] :
      ( ~ c_lessequals(c_Zorn_Ochain__extend__1(X0,X1,t_a),X1,sF1)
      | c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),c_Zorn_Ochain(X2,t_a),tc_set(sF1))
      | ~ c_in(X1,X2,sF1)
      | ~ c_in(X0,c_Zorn_Ochain(X2,t_a),sF2) ),
    inference(forward_demodulation,[],[f77,f17]) ).

fof(f77,plain,
    ! [X2,X0,X1] :
      ( ~ c_in(X1,X2,sF1)
      | ~ c_lessequals(c_Zorn_Ochain__extend__1(X0,X1,t_a),X1,sF1)
      | ~ c_in(X0,c_Zorn_Ochain(X2,t_a),tc_set(sF1))
      | c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),c_Zorn_Ochain(X2,t_a),tc_set(sF1)) ),
    inference(superposition,[],[f5,f16]) ).

fof(f5,axiom,
    ! [X2,X0,X4,X5] :
      ( ~ c_lessequals(c_Zorn_Ochain__extend__1(X0,X4,X2),X4,tc_set(X2))
      | ~ c_in(X4,X5,tc_set(X2))
      | ~ c_in(X0,c_Zorn_Ochain(X5,X2),tc_set(tc_set(X2)))
      | c_in(c_union(c_insert(X4,c_emptyset,tc_set(X2)),X0,tc_set(X2)),c_Zorn_Ochain(X5,X2),tc_set(tc_set(X2))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Zorn_Ochain__extend_1) ).

fof(f172,plain,
    ( c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,sF1)
    | ~ spl4_5 ),
    inference(duplicate_literal_removal,[],[f171]) ).

fof(f171,plain,
    ( c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,sF1)
    | c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,sF1)
    | ~ spl4_5 ),
    inference(forward_demodulation,[],[f170,f16]) ).

fof(f170,plain,
    ( c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,sF1)
    | c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,tc_set(t_a))
    | ~ spl4_5 ),
    inference(resolution,[],[f169,f3]) ).

fof(f3,axiom,
    ! [X2,X3,X1] :
      ( ~ c_in(c_Main_OsubsetI__1(X1,X3,X2),X3,X2)
      | c_lessequals(X1,X3,tc_set(X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Set_OsubsetI_1) ).

fof(f169,plain,
    ( ! [X0] :
        ( c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),X0,t_a),v_x,t_a)
        | c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),X0,sF1) )
    | ~ spl4_5 ),
    inference(resolution,[],[f167,f45]) ).

fof(f45,plain,
    ! [X0] :
      ( ~ c_in(X0,v_y,t_a)
      | c_in(X0,v_x,t_a) ),
    inference(resolution,[],[f31,f23]) ).

fof(f23,plain,
    c_lessequals(v_y,v_x,sF1),
    inference(definition_folding,[],[f11,f16]) ).

fof(f11,axiom,
    c_lessequals(v_y,v_x,tc_set(t_a)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_4) ).

fof(f31,plain,
    ! [X2,X0,X1] :
      ( ~ c_lessequals(X0,X1,sF1)
      | c_in(X2,X1,t_a)
      | ~ c_in(X2,X0,t_a) ),
    inference(superposition,[],[f1,f16]) ).

fof(f1,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ c_lessequals(X1,X3,tc_set(X2))
      | ~ c_in(X0,X1,X2)
      | c_in(X0,X3,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Set_OsubsetD_0) ).

fof(f167,plain,
    ( ! [X0] :
        ( c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),X0,t_a),v_y,t_a)
        | c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),X0,sF1) )
    | ~ spl4_5 ),
    inference(forward_demodulation,[],[f166,f16]) ).

fof(f166,plain,
    ( ! [X0] :
        ( c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),X0,t_a),v_y,t_a)
        | c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),X0,tc_set(t_a)) )
    | ~ spl4_5 ),
    inference(resolution,[],[f154,f2]) ).

fof(f2,axiom,
    ! [X2,X3,X1] :
      ( c_in(c_Main_OsubsetI__1(X1,X3,X2),X1,X2)
      | c_lessequals(X1,X3,tc_set(X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Set_OsubsetI_0) ).

fof(f154,plain,
    ( ! [X0] :
        ( ~ c_in(X0,c_Zorn_Ochain__extend__1(v_c,v_x,t_a),t_a)
        | c_in(X0,v_y,t_a) )
    | ~ spl4_5 ),
    inference(resolution,[],[f111,f31]) ).

fof(f111,plain,
    ( c_lessequals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_y,sF1)
    | ~ spl4_5 ),
    inference(avatar_component_clause,[],[f109]) ).

fof(f103,plain,
    spl4_3,
    inference(avatar_contradiction_clause,[],[f102]) ).

fof(f102,plain,
    ( $false
    | spl4_3 ),
    inference(resolution,[],[f97,f22]) ).

fof(f22,plain,
    c_in(v_c,sF3,sF2),
    inference(definition_folding,[],[f8,f17,f16,f21]) ).

fof(f8,axiom,
    c_in(v_c,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_0) ).

fof(f97,plain,
    ( ~ c_in(v_c,sF3,sF2)
    | spl4_3 ),
    inference(avatar_component_clause,[],[f95]) ).

fof(f72,plain,
    spl4_1,
    inference(avatar_contradiction_clause,[],[f71]) ).

fof(f71,plain,
    ( $false
    | spl4_1 ),
    inference(resolution,[],[f66,f18]) ).

fof(f18,plain,
    c_in(v_c,sF0,sF2),
    inference(definition_folding,[],[f9,f17,f16,f15]) ).

fof(f9,axiom,
    c_in(v_c,c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_conjecture_1) ).

fof(f66,plain,
    ( ~ c_in(v_c,sF0,sF2)
    | spl4_1 ),
    inference(avatar_component_clause,[],[f64]) ).

fof(f70,plain,
    ( ~ spl4_1
    | spl4_2 ),
    inference(avatar_split_clause,[],[f62,f68,f64]) ).

fof(f62,plain,
    ! [X0] :
      ( ~ c_in(X0,v_S,sF1)
      | c_lessequals(c_Zorn_Ochain__extend__1(v_c,X0,t_a),v_y,sF1)
      | ~ c_in(v_c,sF0,sF2)
      | c_in(c_union(c_insert(X0,c_emptyset,sF1),v_c,sF1),sF0,sF2) ),
    inference(resolution,[],[f42,f19]) ).

fof(f42,plain,
    ! [X0,X1] :
      ( c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),sF0,sF2)
      | c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,sF1)
      | ~ c_in(X1,v_S,sF1)
      | ~ c_in(X0,sF0,sF2) ),
    inference(forward_demodulation,[],[f41,f17]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,sF1)
      | ~ c_in(X1,v_S,sF1)
      | ~ c_in(X0,sF0,sF2)
      | c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f40,f17]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,sF1)
      | ~ c_in(X0,sF0,tc_set(sF1))
      | ~ c_in(X1,v_S,sF1)
      | c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f39,f16]) ).

fof(f39,plain,
    ! [X0,X1] :
      ( c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,tc_set(t_a))
      | ~ c_in(X0,sF0,tc_set(sF1))
      | ~ c_in(X1,v_S,sF1)
      | c_in(c_union(c_insert(X1,c_emptyset,sF1),X0,sF1),sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f38,f16]) ).

fof(f38,plain,
    ! [X0,X1] :
      ( ~ c_in(X1,v_S,sF1)
      | c_in(c_union(c_insert(X1,c_emptyset,tc_set(t_a)),X0,tc_set(t_a)),sF0,tc_set(tc_set(t_a)))
      | c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,tc_set(t_a))
      | ~ c_in(X0,sF0,tc_set(sF1)) ),
    inference(forward_demodulation,[],[f37,f16]) ).

fof(f37,plain,
    ! [X0,X1] :
      ( ~ c_in(X0,sF0,tc_set(tc_set(t_a)))
      | ~ c_in(X1,v_S,sF1)
      | c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,tc_set(t_a))
      | c_in(c_union(c_insert(X1,c_emptyset,tc_set(t_a)),X0,tc_set(t_a)),sF0,tc_set(tc_set(t_a))) ),
    inference(forward_demodulation,[],[f34,f16]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ~ c_in(X1,v_S,tc_set(t_a))
      | c_in(c_Zorn_Ochain__extend__1(X0,X1,t_a),X0,tc_set(t_a))
      | ~ c_in(X0,sF0,tc_set(tc_set(t_a)))
      | c_in(c_union(c_insert(X1,c_emptyset,tc_set(t_a)),X0,tc_set(t_a)),sF0,tc_set(tc_set(t_a))) ),
    inference(superposition,[],[f4,f15]) ).

fof(f4,axiom,
    ! [X2,X0,X4,X5] :
      ( ~ c_in(X0,c_Zorn_Ochain(X5,X2),tc_set(tc_set(X2)))
      | c_in(c_union(c_insert(X4,c_emptyset,tc_set(X2)),X0,tc_set(X2)),c_Zorn_Ochain(X5,X2),tc_set(tc_set(X2)))
      | c_in(c_Zorn_Ochain__extend__1(X0,X4,X2),X0,tc_set(X2))
      | ~ c_in(X4,X5,tc_set(X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cls_Zorn_Ochain__extend_0) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET863-2 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n022.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Aug 30 14:28:11 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.50  % (4777)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.51  % (4782)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.52  % (4785)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.19/0.52  % (4789)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.52  % (4771)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.52  % (4771)Refutation not found, incomplete strategy% (4771)------------------------------
% 0.19/0.52  % (4771)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (4771)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (4771)Termination reason: Refutation not found, incomplete strategy
% 0.19/0.52  
% 0.19/0.52  % (4771)Memory used [KB]: 5373
% 0.19/0.52  % (4771)Time elapsed: 0.125 s
% 0.19/0.52  % (4771)Instructions burned: 2 (million)
% 0.19/0.52  % (4771)------------------------------
% 0.19/0.52  % (4771)------------------------------
% 0.19/0.52  % (4777)Instruction limit reached!
% 0.19/0.52  % (4777)------------------------------
% 0.19/0.52  % (4777)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (4770)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.52  % (4791)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.19/0.52  % (4783)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.52  % (4778)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.52  % (4772)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.19/0.52  % (4778)Instruction limit reached!
% 0.19/0.52  % (4778)------------------------------
% 0.19/0.52  % (4778)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (4778)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (4778)Termination reason: Unknown
% 0.19/0.52  % (4778)Termination phase: Blocked clause elimination
% 0.19/0.52  
% 0.19/0.52  % (4778)Memory used [KB]: 895
% 0.19/0.52  % (4778)Time elapsed: 0.002 s
% 0.19/0.52  % (4778)Instructions burned: 2 (million)
% 0.19/0.52  % (4778)------------------------------
% 0.19/0.52  % (4778)------------------------------
% 0.19/0.52  % (4774)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.52  TRYING [1]
% 0.19/0.52  % (4780)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.52  TRYING [2]
% 0.19/0.52  % (4779)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.53  % (4781)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.53  % (4777)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.53  % (4777)Termination reason: Unknown
% 0.19/0.53  % (4777)Termination phase: Saturation
% 0.19/0.53  
% 0.19/0.53  % (4777)Memory used [KB]: 5500
% 0.19/0.53  % (4777)Time elapsed: 0.124 s
% 0.19/0.53  % (4777)Instructions burned: 7 (million)
% 0.19/0.53  % (4777)------------------------------
% 0.19/0.53  % (4777)------------------------------
% 0.19/0.53  % (4775)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.19/0.53  % (4784)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.53  % (4794)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.19/0.53  % (4797)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.19/0.53  TRYING [3]
% 0.19/0.53  % (4798)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.19/0.53  % (4776)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.54  % (4795)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.19/0.54  % (4786)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.54  % (4792)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.19/0.54  % (4790)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.19/0.54  % (4773)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.54  % (4787)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.19/0.54  % (4788)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.55  TRYING [1]
% 0.19/0.55  TRYING [2]
% 0.19/0.55  % (4773)First to succeed.
% 0.19/0.55  % (4799)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.19/0.55  % (4774)Also succeeded, but the first one will report.
% 0.19/0.55  % (4773)Refutation found. Thanks to Tanya!
% 0.19/0.55  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.55  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.55  % (4773)------------------------------
% 0.19/0.55  % (4773)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.55  % (4773)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.55  % (4773)Termination reason: Refutation
% 0.19/0.55  
% 0.19/0.55  % (4773)Memory used [KB]: 5628
% 0.19/0.55  % (4773)Time elapsed: 0.150 s
% 0.19/0.55  % (4773)Instructions burned: 9 (million)
% 0.19/0.55  % (4773)------------------------------
% 0.19/0.55  % (4773)------------------------------
% 0.19/0.55  % (4769)Success in time 0.203 s
%------------------------------------------------------------------------------