TSTP Solution File: SET236-6 by Vampire---4.8

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%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SET236-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% Computer : n027.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 15:39:01 EDT 2023

% Result   : Unsatisfiable 0.15s 0.42s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   14 (   8 unt;   0 def)
%            Number of atoms       :   21 (   1 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   16 (   9   ~;   7   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :   15 (;  15   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f188,plain,
    $false,
    inference(subsumption_resolution,[],[f174,f134]) ).

fof(f134,plain,
    ! [X0,X1] : ~ member(not_subclass_element(x,y),cross_product(X0,X1)),
    inference(subsumption_resolution,[],[f133,f121]) ).

fof(f121,plain,
    ~ member(not_subclass_element(x,y),y),
    inference(resolution,[],[f115,f3]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(not_subclass_element(X0,X1),X1) ),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',not_subclass_members2) ).

fof(f115,axiom,
    ~ subclass(x,y),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',prove_cross_product_property11_3) ).

fof(f133,plain,
    ! [X0,X1] :
      ( member(not_subclass_element(x,y),y)
      | ~ member(not_subclass_element(x,y),cross_product(X0,X1)) ),
    inference(superposition,[],[f114,f17]) ).

fof(f17,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,cross_product(X0,X1))
      | ordered_pair(first(X4),second(X4)) = X4 ),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',cartesian_product4) ).

fof(f114,axiom,
    member(ordered_pair(first(not_subclass_element(x,y)),second(not_subclass_element(x,y))),y),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',prove_cross_product_property11_2) ).

fof(f174,plain,
    member(not_subclass_element(x,y),cross_product(universal_class,universal_class)),
    inference(resolution,[],[f123,f120]) ).

fof(f120,plain,
    member(not_subclass_element(x,y),x),
    inference(resolution,[],[f115,f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | member(not_subclass_element(X0,X1),X0) ),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',not_subclass_members1) ).

fof(f123,plain,
    ! [X0] :
      ( ~ member(X0,x)
      | member(X0,cross_product(universal_class,universal_class)) ),
    inference(resolution,[],[f113,f1]) ).

fof(f1,axiom,
    ! [X2,X0,X1] :
      ( ~ subclass(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',subclass_members) ).

fof(f113,axiom,
    subclass(x,cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227',prove_cross_product_property11_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem    : SET236-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.00/0.16  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.37  % Computer : n027.cluster.edu
% 0.15/0.37  % Model    : x86_64 x86_64
% 0.15/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.37  % Memory   : 8042.1875MB
% 0.15/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.37  % CPULimit   : 300
% 0.15/0.37  % WCLimit    : 300
% 0.15/0.37  % DateTime   : Sat Aug 26 16:49:50 EDT 2023
% 0.15/0.37  % CPUTime    : 
% 0.15/0.37  This is a CNF_UNS_RFO_SEQ_NHN problem
% 0.15/0.37  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/tmp/tmp.qkr9eh1h4g/Vampire---4.8_28227
% 0.15/0.37  % (28497)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.41  % (28504)lrs+11_10:1_bs=unit_only:drc=off:fsd=off:fde=none:gs=on:msp=off:nm=16:nwc=2.0:nicw=on:sos=all:sac=on:sp=reverse_frequency:stl=62_575 on Vampire---4 for (575ds/0Mi)
% 0.15/0.42  % (28504)First to succeed.
% 0.15/0.42  % (28504)Refutation found. Thanks to Tanya!
% 0.15/0.42  % SZS status Unsatisfiable for Vampire---4
% 0.15/0.42  % SZS output start Proof for Vampire---4
% See solution above
% 0.15/0.42  % (28504)------------------------------
% 0.15/0.42  % (28504)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.15/0.42  % (28504)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.15/0.42  % (28504)Termination reason: Refutation
% 0.15/0.42  
% 0.15/0.42  % (28504)Memory used [KB]: 10362
% 0.15/0.42  % (28504)Time elapsed: 0.006 s
% 0.15/0.42  % (28504)------------------------------
% 0.15/0.42  % (28504)------------------------------
% 0.15/0.42  % (28497)Success in time 0.045 s
% 0.15/0.42  % Vampire---4.8 exiting
%------------------------------------------------------------------------------