TSTP Solution File: SET639+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET639+3 : TPTP v8.1.0. Released v2.2.0.
% 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 : 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 : 300s
% WCLimit  : 300s
% DateTime : Wed Aug 31 18:25:11 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   23 (  13 unt;   0 def)
%            Number of atoms       :   42 (  29 equ)
%            Maximal formula atoms :    6 (   1 avg)
%            Number of connectives :   28 (   9   ~;   2   |;  12   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   24 (  18   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f69,plain,
    $false,
    inference(subsumption_resolution,[],[f68,f42]) ).

fof(f42,plain,
    empty_set != sK1,
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ( subset(sK1,sK2)
    & empty_set != sK1
    & empty_set = intersection(sK2,sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f18,f24]) ).

fof(f24,plain,
    ( ? [X0,X1] :
        ( subset(X0,X1)
        & empty_set != X0
        & empty_set = intersection(X1,X0) )
   => ( subset(sK1,sK2)
      & empty_set != sK1
      & empty_set = intersection(sK2,sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f18,plain,
    ? [X0,X1] :
      ( subset(X0,X1)
      & empty_set != X0
      & empty_set = intersection(X1,X0) ),
    inference(flattening,[],[f17]) ).

fof(f17,plain,
    ? [X1,X0] :
      ( empty_set != X0
      & empty_set = intersection(X1,X0)
      & subset(X0,X1) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,negated_conjecture,
    ~ ! [X1,X0] :
        ( ( empty_set = intersection(X1,X0)
          & subset(X0,X1) )
       => empty_set = X0 ),
    inference(negated_conjecture,[],[f10]) ).

fof(f10,conjecture,
    ! [X1,X0] :
      ( ( empty_set = intersection(X1,X0)
        & subset(X0,X1) )
     => empty_set = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th121) ).

fof(f68,plain,
    empty_set = sK1,
    inference(forward_demodulation,[],[f66,f62]) ).

fof(f62,plain,
    empty_set = intersection(sK1,sK2),
    inference(superposition,[],[f53,f61]) ).

fof(f61,plain,
    empty_set = intersection(sK2,sK1),
    inference(forward_demodulation,[],[f59,f60]) ).

fof(f60,plain,
    empty_set = sF4,
    inference(definition_folding,[],[f41,f59]) ).

fof(f41,plain,
    empty_set = intersection(sK2,sK1),
    inference(cnf_transformation,[],[f25]) ).

fof(f59,plain,
    sF4 = intersection(sK2,sK1),
    introduced(function_definition,[]) ).

fof(f53,plain,
    ! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
    inference(cnf_transformation,[],[f14]) ).

fof(f14,plain,
    ! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ! [X1,X0] : intersection(X0,X1) = intersection(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_of_intersection) ).

fof(f66,plain,
    intersection(sK1,sK2) = sK1,
    inference(resolution,[],[f35,f43]) ).

fof(f43,plain,
    subset(sK1,sK2),
    inference(cnf_transformation,[],[f25]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | intersection(X1,X0) = X1 ),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | intersection(X1,X0) = X1 ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,plain,
    ! [X1,X0] :
      ( subset(X1,X0)
     => intersection(X1,X0) = X1 ),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] :
      ( subset(X0,X1)
     => intersection(X0,X1) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset_intersection) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : SET639+3 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 14:05:49 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.49  % (8433)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)
% 0.19/0.50  % (8439)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)
% 0.19/0.51  % (8425)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.51  % (8425)First to succeed.
% 0.19/0.51  % (8425)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Theorem for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (8425)------------------------------
% 0.19/0.51  % (8425)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (8425)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (8425)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (8425)Memory used [KB]: 5373
% 0.19/0.51  % (8425)Time elapsed: 0.106 s
% 0.19/0.51  % (8425)Instructions burned: 2 (million)
% 0.19/0.51  % (8425)------------------------------
% 0.19/0.51  % (8425)------------------------------
% 0.19/0.51  % (8412)Success in time 0.163 s
%------------------------------------------------------------------------------