TSTP Solution File: SET620+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET620+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 : n011.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 18:25:07 EDT 2022

% Result   : Theorem 0.20s 0.51s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   27 (  26 unt;   0 def)
%            Number of atoms       :   28 (  27 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :    9 (   8   ~;   0   |;   0   &)
%                                         (   0 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :   49 (  45   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f167,plain,
    $false,
    inference(trivial_inequality_removal,[],[f166]) ).

fof(f166,plain,
    union(difference(sK0,sK1),difference(sK1,sK0)) != union(difference(sK0,sK1),difference(sK1,sK0)),
    inference(backward_demodulation,[],[f81,f162]) ).

fof(f162,plain,
    ! [X2,X3] : union(difference(X3,X2),difference(X2,X3)) = difference(union(X3,X2),intersection(X3,X2)),
    inference(superposition,[],[f104,f90]) ).

fof(f90,plain,
    ! [X0,X1] : difference(X0,X1) = difference(X0,intersection(X1,X0)),
    inference(superposition,[],[f53,f63]) ).

fof(f63,plain,
    ! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
    inference(cnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
    inference(rectify,[],[f19]) ).

fof(f19,plain,
    ! [X1,X0] : intersection(X0,X1) = intersection(X1,X0),
    inference(rectify,[],[f9]) ).

fof(f9,axiom,
    ! [X1,X0] : intersection(X0,X1) = intersection(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_intersection) ).

fof(f53,plain,
    ! [X0,X1] : difference(X0,X1) = difference(X0,intersection(X0,X1)),
    inference(cnf_transformation,[],[f29]) ).

fof(f29,plain,
    ! [X0,X1] : difference(X0,X1) = difference(X0,intersection(X0,X1)),
    inference(rectify,[],[f20]) ).

fof(f20,plain,
    ! [X1,X0] : difference(X1,X0) = difference(X1,intersection(X1,X0)),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] : difference(X0,X1) = difference(X0,intersection(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_into_intersection) ).

fof(f104,plain,
    ! [X2,X0,X1] : difference(union(X0,X2),intersection(X0,X1)) = union(difference(X0,X1),difference(X2,intersection(X0,X1))),
    inference(superposition,[],[f69,f53]) ).

fof(f69,plain,
    ! [X2,X0,X1] : difference(union(X0,X1),X2) = union(difference(X0,X2),difference(X1,X2)),
    inference(cnf_transformation,[],[f43]) ).

fof(f43,plain,
    ! [X0,X1,X2] : difference(union(X0,X1),X2) = union(difference(X0,X2),difference(X1,X2)),
    inference(rectify,[],[f16]) ).

fof(f16,plain,
    ! [X1,X2,X0] : difference(union(X1,X2),X0) = union(difference(X1,X0),difference(X2,X0)),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X2,X0,X1] : difference(union(X0,X1),X2) = union(difference(X0,X2),difference(X1,X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_distributes_over_union) ).

fof(f81,plain,
    difference(union(sK0,sK1),intersection(sK0,sK1)) != union(difference(sK0,sK1),difference(sK1,sK0)),
    inference(definition_unfolding,[],[f64,f65]) ).

fof(f65,plain,
    ! [X0,X1] : symmetric_difference(X1,X0) = union(difference(X1,X0),difference(X0,X1)),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] : symmetric_difference(X1,X0) = union(difference(X1,X0),difference(X0,X1)),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] : symmetric_difference(X0,X1) = union(difference(X0,X1),difference(X1,X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetric_difference_defn) ).

fof(f64,plain,
    difference(union(sK0,sK1),intersection(sK0,sK1)) != symmetric_difference(sK0,sK1),
    inference(cnf_transformation,[],[f38]) ).

fof(f38,plain,
    difference(union(sK0,sK1),intersection(sK0,sK1)) != symmetric_difference(sK0,sK1),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f27,f37]) ).

fof(f37,plain,
    ( ? [X0,X1] : symmetric_difference(X0,X1) != difference(union(X0,X1),intersection(X0,X1))
   => difference(union(sK0,sK1),intersection(sK0,sK1)) != symmetric_difference(sK0,sK1) ),
    introduced(choice_axiom,[]) ).

fof(f27,plain,
    ? [X0,X1] : symmetric_difference(X0,X1) != difference(union(X0,X1),intersection(X0,X1)),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,negated_conjecture,
    ~ ! [X0,X1] : symmetric_difference(X0,X1) = difference(union(X0,X1),intersection(X0,X1)),
    inference(negated_conjecture,[],[f14]) ).

fof(f14,conjecture,
    ! [X0,X1] : symmetric_difference(X0,X1) = difference(union(X0,X1),intersection(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th96) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET620+3 : TPTP v8.1.0. Released v2.2.0.
% 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
% 0.12/0.35  % Computer : n011.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit   : 300
% 0.12/0.35  % WCLimit    : 300
% 0.12/0.35  % DateTime   : Tue Aug 30 14:02:25 EDT 2022
% 0.12/0.35  % CPUTime    : 
% 0.20/0.48  % (14287)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.20/0.49  % (14301)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 (3000ds/467Mi)
% 0.20/0.49  % (14293)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 (3000ds/75Mi)
% 0.20/0.50  % (14280)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.20/0.50  % (14301)First to succeed.
% 0.20/0.50  % (14295)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/59Mi)
% 0.20/0.51  TRYING [1]
% 0.20/0.51  % (14282)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 (3000ds/48Mi)
% 0.20/0.51  % (14301)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  % (14301)------------------------------
% 0.20/0.51  % (14301)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.51  % (14301)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.51  % (14301)Termination reason: Refutation
% 0.20/0.51  
% 0.20/0.51  % (14301)Memory used [KB]: 5500
% 0.20/0.51  % (14301)Time elapsed: 0.075 s
% 0.20/0.51  % (14301)Instructions burned: 8 (million)
% 0.20/0.51  % (14301)------------------------------
% 0.20/0.51  % (14301)------------------------------
% 0.20/0.51  % (14273)Success in time 0.155 s
%------------------------------------------------------------------------------