TSTP Solution File: SET971+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET971+1 : 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 : n018.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 18:26:13 EDT 2022

% Result   : Theorem 0.20s 0.51s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   27 (  16 unt;   0 def)
%            Number of atoms       :   49 (  25 equ)
%            Maximal formula atoms :    6 (   1 avg)
%            Number of connectives :   36 (  14   ~;   2   |;  15   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   56 (  40   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f52,plain,
    $false,
    inference(trivial_inequality_removal,[],[f51]) ).

fof(f51,plain,
    cartesian_product2(sK2,sK4) != cartesian_product2(sK2,sK4),
    inference(forward_demodulation,[],[f50,f38]) ).

fof(f38,plain,
    set_intersection2(sK4,sK5) = sK4,
    inference(resolution,[],[f28,f35]) ).

fof(f35,plain,
    subset(sK4,sK5),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ( subset(sK4,sK5)
    & subset(sK2,sK3)
    & cartesian_product2(sK2,sK4) != set_intersection2(cartesian_product2(sK2,sK5),cartesian_product2(sK3,sK4)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4,sK5])],[f24,f25]) ).

fof(f25,plain,
    ( ? [X0,X1,X2,X3] :
        ( subset(X2,X3)
        & subset(X0,X1)
        & cartesian_product2(X0,X2) != set_intersection2(cartesian_product2(X0,X3),cartesian_product2(X1,X2)) )
   => ( subset(sK4,sK5)
      & subset(sK2,sK3)
      & cartesian_product2(sK2,sK4) != set_intersection2(cartesian_product2(sK2,sK5),cartesian_product2(sK3,sK4)) ) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ? [X0,X1,X2,X3] :
      ( subset(X2,X3)
      & subset(X0,X1)
      & cartesian_product2(X0,X2) != set_intersection2(cartesian_product2(X0,X3),cartesian_product2(X1,X2)) ),
    inference(rectify,[],[f16]) ).

fof(f16,plain,
    ? [X3,X1,X0,X2] :
      ( subset(X0,X2)
      & subset(X3,X1)
      & cartesian_product2(X3,X0) != set_intersection2(cartesian_product2(X3,X2),cartesian_product2(X1,X0)) ),
    inference(flattening,[],[f15]) ).

fof(f15,plain,
    ? [X3,X1,X0,X2] :
      ( cartesian_product2(X3,X0) != set_intersection2(cartesian_product2(X3,X2),cartesian_product2(X1,X0))
      & subset(X0,X2)
      & subset(X3,X1) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,plain,
    ~ ! [X3,X1,X0,X2] :
        ( ( subset(X0,X2)
          & subset(X3,X1) )
       => cartesian_product2(X3,X0) = set_intersection2(cartesian_product2(X3,X2),cartesian_product2(X1,X0)) ),
    inference(rectify,[],[f8]) ).

fof(f8,negated_conjecture,
    ~ ! [X2,X1,X3,X0] :
        ( ( subset(X2,X3)
          & subset(X0,X1) )
       => cartesian_product2(X0,X2) = set_intersection2(cartesian_product2(X0,X3),cartesian_product2(X1,X2)) ),
    inference(negated_conjecture,[],[f7]) ).

fof(f7,conjecture,
    ! [X2,X1,X3,X0] :
      ( ( subset(X2,X3)
        & subset(X0,X1) )
     => cartesian_product2(X0,X2) = set_intersection2(cartesian_product2(X0,X3),cartesian_product2(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t124_zfmisc_1) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ~ subset(X0,X1)
      | set_intersection2(X0,X1) = X0 ),
    inference(cnf_transformation,[],[f14]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = X0
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f9,axiom,
    ! [X1,X0] :
      ( subset(X0,X1)
     => set_intersection2(X0,X1) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_xboole_1) ).

fof(f50,plain,
    cartesian_product2(sK2,set_intersection2(sK4,sK5)) != cartesian_product2(sK2,sK4),
    inference(forward_demodulation,[],[f49,f36]) ).

fof(f36,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

fof(f49,plain,
    cartesian_product2(sK2,sK4) != cartesian_product2(sK2,set_intersection2(sK5,sK4)),
    inference(backward_demodulation,[],[f33,f43]) ).

fof(f43,plain,
    ! [X11,X12] : cartesian_product2(sK2,set_intersection2(X11,X12)) = set_intersection2(cartesian_product2(sK2,X11),cartesian_product2(sK3,X12)),
    inference(superposition,[],[f31,f37]) ).

fof(f37,plain,
    sK2 = set_intersection2(sK2,sK3),
    inference(resolution,[],[f28,f34]) ).

fof(f34,plain,
    subset(sK2,sK3),
    inference(cnf_transformation,[],[f26]) ).

fof(f31,plain,
    ! [X2,X3,X0,X1] : cartesian_product2(set_intersection2(X1,X3),set_intersection2(X0,X2)) = set_intersection2(cartesian_product2(X1,X0),cartesian_product2(X3,X2)),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1,X2,X3] : cartesian_product2(set_intersection2(X1,X3),set_intersection2(X0,X2)) = set_intersection2(cartesian_product2(X1,X0),cartesian_product2(X3,X2)),
    inference(rectify,[],[f11]) ).

fof(f11,plain,
    ! [X1,X3,X0,X2] : cartesian_product2(set_intersection2(X3,X2),set_intersection2(X1,X0)) = set_intersection2(cartesian_product2(X3,X1),cartesian_product2(X2,X0)),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ! [X3,X2,X1,X0] : cartesian_product2(set_intersection2(X0,X1),set_intersection2(X2,X3)) = set_intersection2(cartesian_product2(X0,X2),cartesian_product2(X1,X3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t123_zfmisc_1) ).

fof(f33,plain,
    cartesian_product2(sK2,sK4) != set_intersection2(cartesian_product2(sK2,sK5),cartesian_product2(sK3,sK4)),
    inference(cnf_transformation,[],[f26]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET971+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % 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 : n018.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
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 14:36:40 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.50  % (2882)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)
% 0.20/0.50  % (2905)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.20/0.50  % (2881)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)
% 0.20/0.50  TRYING [1]
% 0.20/0.50  TRYING [2]
% 0.20/0.50  % (2896)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)
% 0.20/0.50  TRYING [3]
% 0.20/0.51  % (2905)First to succeed.
% 0.20/0.51  % (2889)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.51  % (2905)Refutation found. Thanks to Tanya!
% 0.20/0.51  % SZS status Theorem for theBenchmark
% 0.20/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.51  % (2905)------------------------------
% 0.20/0.51  % (2905)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.51  % (2905)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.51  % (2905)Termination reason: Refutation
% 0.20/0.51  
% 0.20/0.51  % (2905)Memory used [KB]: 5373
% 0.20/0.51  % (2905)Time elapsed: 0.054 s
% 0.20/0.51  % (2905)Instructions burned: 2 (million)
% 0.20/0.51  % (2905)------------------------------
% 0.20/0.51  % (2905)------------------------------
% 0.20/0.51  % (2877)Success in time 0.157 s
%------------------------------------------------------------------------------