TSTP Solution File: LAT012-1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LAT012-1 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -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 : Sun May  5 07:25:28 EDT 2024

% Result   : Unsatisfiable 2.76s 0.79s
% Output   : Refutation 2.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   18 (  18 unt;   0 def)
%            Number of atoms       :   18 (  17 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   35 (  35   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f18723,plain,
    $false,
    inference(trivial_inequality_removal,[],[f18722]) ).

fof(f18722,plain,
    meet(b,a) != meet(b,a),
    inference(superposition,[],[f5,f18043]) ).

fof(f18043,plain,
    ! [X0,X1] : meet(X0,X1) = meet(X1,X0),
    inference(superposition,[],[f10038,f9645]) ).

fof(f9645,plain,
    ! [X0,X1] : meet(X0,X1) = meet(meet(X1,X0),meet(X0,X1)),
    inference(superposition,[],[f59,f133]) ).

fof(f133,plain,
    ! [X0,X1] : join(meet(X0,X1),X0) = X0,
    inference(superposition,[],[f51,f79]) ).

fof(f79,plain,
    ! [X2,X1] : join(X1,meet(X1,X2)) = X1,
    inference(superposition,[],[f1,f4]) ).

fof(f4,axiom,
    ! [X2,X0,X1] : meet(meet(join(X0,X1),join(X1,X2)),X1) = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mckenzie4) ).

fof(f1,axiom,
    ! [X2,X0,X1] : join(X0,meet(X1,meet(X0,X2))) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mckenzie1) ).

fof(f51,plain,
    ! [X0,X1] : join(X1,X0) = join(X0,join(X1,X0)),
    inference(superposition,[],[f32,f6]) ).

fof(f6,plain,
    ! [X3,X0] : meet(X0,join(X3,X0)) = X0,
    inference(superposition,[],[f2,f1]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : meet(X0,join(X1,join(X0,X2))) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mckenzie2) ).

fof(f32,plain,
    ! [X0,X1] : join(meet(X0,X1),X1) = X1,
    inference(superposition,[],[f3,f1]) ).

fof(f3,axiom,
    ! [X2,X0,X1] : join(join(meet(X0,X1),meet(X1,X2)),X1) = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mckenzie3) ).

fof(f59,plain,
    ! [X2,X0,X1] : meet(X1,X0) = meet(meet(X0,join(meet(X1,X0),X2)),meet(X1,X0)),
    inference(superposition,[],[f4,f7]) ).

fof(f7,plain,
    ! [X3,X0] : join(X0,meet(X3,X0)) = X0,
    inference(superposition,[],[f1,f2]) ).

fof(f10038,plain,
    ! [X0,X1] : meet(X1,X0) = meet(meet(X1,X0),meet(X0,X1)),
    inference(superposition,[],[f117,f9645]) ).

fof(f117,plain,
    ! [X0,X1] : meet(X0,X1) = meet(meet(X0,X1),X0),
    inference(superposition,[],[f6,f79]) ).

fof(f5,axiom,
    meet(b,a) != meet(a,b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_commutativity_of_meet) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.14  % Problem    : LAT012-1 : TPTP v8.1.2. Released v2.2.0.
% 0.13/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.13/0.37  % Computer : n027.cluster.edu
% 0.13/0.37  % Model    : x86_64 x86_64
% 0.13/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.37  % Memory   : 8042.1875MB
% 0.13/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.37  % CPULimit   : 300
% 0.13/0.37  % WCLimit    : 300
% 0.13/0.37  % DateTime   : Fri May  3 12:46:51 EDT 2024
% 0.13/0.37  % CPUTime    : 
% 0.13/0.37  % (8832)Running in auto input_syntax mode. Trying TPTP
% 0.20/0.38  % (8835)WARNING: value z3 for option sas not known
% 0.20/0.39  % (8835)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.20/0.39  % (8836)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.20/0.39  TRYING [1]
% 0.20/0.39  TRYING [2]
% 0.20/0.39  % (8838)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.20/0.39  % (8837)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.20/0.39  TRYING [3]
% 0.20/0.39  % (8834)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.20/0.39  % (8839)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.20/0.39  % (8833)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.20/0.39  TRYING [4]
% 0.20/0.39  TRYING [1]
% 0.20/0.39  TRYING [2]
% 0.20/0.40  TRYING [5]
% 0.20/0.40  TRYING [3]
% 0.20/0.40  TRYING [6]
% 0.20/0.40  TRYING [4]
% 0.20/0.42  TRYING [7]
% 0.20/0.43  TRYING [5]
% 0.20/0.44  TRYING [8]
% 0.20/0.47  TRYING [6]
% 0.20/0.49  TRYING [9]
% 1.24/0.55  TRYING [10]
% 1.43/0.61  TRYING [7]
% 1.97/0.66  TRYING [11]
% 2.76/0.79  % (8835)First to succeed.
% 2.76/0.79  % (8835)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-8832"
% 2.76/0.79  % (8835)Refutation found. Thanks to Tanya!
% 2.76/0.79  % SZS status Unsatisfiable for theBenchmark
% 2.76/0.79  % SZS output start Proof for theBenchmark
% See solution above
% 2.76/0.79  % (8835)------------------------------
% 2.76/0.79  % (8835)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 2.76/0.79  % (8835)Termination reason: Refutation
% 2.76/0.79  
% 2.76/0.79  % (8835)Memory used [KB]: 7133
% 2.76/0.79  % (8835)Time elapsed: 0.406 s
% 2.76/0.79  % (8835)Instructions burned: 996 (million)
% 2.76/0.79  % (8832)Success in time 0.413 s
%------------------------------------------------------------------------------