TSTP Solution File: LCL011-1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL011-1 : TPTP v8.1.2. Released v1.0.0.
% 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 : n012.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 : Fri Sep  1 17:18:42 EDT 2023

% Result   : Unsatisfiable 0.13s 0.46s
% Output   : Refutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   21 (   7 unt;   0 def)
%            Number of atoms       :   42 (   0 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   47 (  26   ~;  21   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   43 (;  43   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2752,plain,
    $false,
    inference(resolution,[],[f2438,f2342]) ).

fof(f2342,plain,
    ! [X34,X35] : is_a_theorem(equivalent(equivalent(X34,X35),equivalent(X35,X34))),
    inference(resolution,[],[f1339,f2]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X2,X0),equivalent(X1,X2)))),
    file('/export/starexec/sandbox2/tmp/tmp.H7pblldItT/Vampire---4.8_6212',yqj) ).

fof(f1339,plain,
    ! [X108,X107] :
      ( ~ is_a_theorem(equivalent(equivalent(X107,X107),X108))
      | is_a_theorem(X108) ),
    inference(resolution,[],[f1216,f238]) ).

fof(f238,plain,
    ! [X46,X45] :
      ( ~ is_a_theorem(equivalent(X45,equivalent(X46,X46)))
      | is_a_theorem(X45) ),
    inference(resolution,[],[f211,f11]) ).

fof(f11,plain,
    ! [X2,X3,X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(X3,X1),equivalent(X2,X3)))
      | ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
      | is_a_theorem(X0) ),
    inference(resolution,[],[f6,f2]) ).

fof(f6,plain,
    ! [X2,X0,X1] :
      ( ~ is_a_theorem(equivalent(X2,X0))
      | ~ is_a_theorem(equivalent(X0,X1))
      | is_a_theorem(X2)
      | ~ is_a_theorem(X1) ),
    inference(resolution,[],[f5,f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | is_a_theorem(X1)
      | ~ is_a_theorem(X0) ),
    file('/export/starexec/sandbox2/tmp/tmp.H7pblldItT/Vampire---4.8_6212',condensed_detachment) ).

fof(f5,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(equivalent(X1,X2))
      | ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(equivalent(X2,X0)) ),
    inference(resolution,[],[f4,f1]) ).

fof(f4,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(equivalent(equivalent(X0,X1),equivalent(X2,X0)))
      | ~ is_a_theorem(equivalent(X1,X2)) ),
    inference(resolution,[],[f2,f1]) ).

fof(f211,plain,
    ! [X0] : is_a_theorem(equivalent(X0,X0)),
    inference(resolution,[],[f188,f2]) ).

fof(f188,plain,
    ! [X3,X4] :
      ( ~ is_a_theorem(equivalent(X4,equivalent(X3,X4)))
      | is_a_theorem(X3) ),
    inference(resolution,[],[f177,f73]) ).

fof(f73,plain,
    ! [X3,X4,X5] :
      ( ~ is_a_theorem(equivalent(X3,equivalent(X4,X5)))
      | is_a_theorem(X3)
      | ~ is_a_theorem(equivalent(X4,X5)) ),
    inference(resolution,[],[f11,f4]) ).

fof(f177,plain,
    ! [X0,X1] : is_a_theorem(equivalent(X0,equivalent(X1,equivalent(X0,X1)))),
    inference(resolution,[],[f84,f2]) ).

fof(f84,plain,
    ! [X2,X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(X2,X0),equivalent(X1,X2)))
      | is_a_theorem(equivalent(X0,X1)) ),
    inference(resolution,[],[f73,f2]) ).

fof(f1216,plain,
    ! [X2,X1] :
      ( is_a_theorem(equivalent(X1,X2))
      | ~ is_a_theorem(equivalent(X2,X1)) ),
    inference(resolution,[],[f238,f4]) ).

fof(f2438,plain,
    ~ is_a_theorem(equivalent(equivalent(b,a),equivalent(a,b))),
    inference(resolution,[],[f2342,f157]) ).

fof(f157,plain,
    ! [X2,X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(X2,X0),equivalent(X1,X2)),equivalent(equivalent(a,c),equivalent(c,b))))
      | ~ is_a_theorem(equivalent(equivalent(X0,X1),equivalent(a,b))) ),
    inference(resolution,[],[f18,f2]) ).

fof(f18,plain,
    ! [X2,X3] :
      ( ~ is_a_theorem(equivalent(X2,equivalent(a,b)))
      | ~ is_a_theorem(equivalent(X3,equivalent(equivalent(a,c),equivalent(c,b))))
      | ~ is_a_theorem(equivalent(X2,X3)) ),
    inference(resolution,[],[f7,f5]) ).

fof(f7,plain,
    ! [X3] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(a,c),equivalent(c,b)),X3))
      | ~ is_a_theorem(equivalent(X3,equivalent(a,b))) ),
    inference(resolution,[],[f5,f3]) ).

fof(f3,axiom,
    ~ is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b)))),
    file('/export/starexec/sandbox2/tmp/tmp.H7pblldItT/Vampire---4.8_6212',prove_yqf) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.09  % Problem    : LCL011-1 : TPTP v8.1.2. Released v1.0.0.
% 0.04/0.10  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.08/0.29  % Computer : n012.cluster.edu
% 0.08/0.29  % Model    : x86_64 x86_64
% 0.08/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.29  % Memory   : 8042.1875MB
% 0.08/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.29  % CPULimit   : 300
% 0.08/0.29  % WCLimit    : 300
% 0.08/0.29  % DateTime   : Wed Aug 30 14:48:23 EDT 2023
% 0.08/0.30  % CPUTime    : 
% 0.08/0.33  % (7322)Running in auto input_syntax mode. Trying TPTP
% 0.08/0.33  % (7422)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3:gsp=on:nm=4_470 on Vampire---4 for (470ds/0Mi)
% 0.08/0.33  % (7420)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3_569 on Vampire---4 for (569ds/0Mi)
% 0.08/0.33  % (7421)dis-2_2:3_amm=sco:anc=none:bce=on:fsr=off:gsp=on:nm=16:nwc=1.2:nicw=on:sac=on:sp=weighted_frequency_476 on Vampire---4 for (476ds/0Mi)
% 0.08/0.33  % (7423)dis+1_20_av=off:lcm=predicate:nm=2:nwc=2.0_396 on Vampire---4 for (396ds/0Mi)
% 0.08/0.33  % (7424)dis+11_4:5_nm=4_216 on Vampire---4 for (216ds/0Mi)
% 0.08/0.33  % (7425)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2:si=on:rtra=on:rawr=on:rp=on:fmbksg=on_1451 on Vampire---4 for (1451ds/0Mi)
% 0.08/0.33  % (7419)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2_1451 on Vampire---4 for (1451ds/0Mi)
% 0.08/0.33  TRYING [1]
% 0.08/0.33  TRYING [2]
% 0.08/0.33  TRYING [1]
% 0.08/0.33  TRYING [1]
% 0.08/0.33  TRYING [1]
% 0.08/0.33  TRYING [2]
% 0.08/0.33  TRYING [2]
% 0.08/0.33  TRYING [2]
% 0.08/0.33  TRYING [3]
% 0.08/0.33  TRYING [3]
% 0.08/0.33  TRYING [3]
% 0.08/0.33  TRYING [3]
% 0.08/0.34  TRYING [4]
% 0.08/0.34  TRYING [4]
% 0.08/0.34  TRYING [4]
% 0.08/0.34  TRYING [4]
% 0.13/0.43  TRYING [5]
% 0.13/0.44  TRYING [5]
% 0.13/0.45  TRYING [5]
% 0.13/0.46  TRYING [5]
% 0.13/0.46  % (7421)First to succeed.
% 0.13/0.46  % (7421)Refutation found. Thanks to Tanya!
% 0.13/0.46  % SZS status Unsatisfiable for Vampire---4
% 0.13/0.46  % SZS output start Proof for Vampire---4
% See solution above
% 0.13/0.46  % (7421)------------------------------
% 0.13/0.46  % (7421)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.13/0.46  % (7421)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.13/0.46  % (7421)Termination reason: Refutation
% 0.13/0.46  
% 0.13/0.46  % (7421)Memory used [KB]: 7419
% 0.13/0.46  % (7421)Time elapsed: 0.134 s
% 0.13/0.46  % (7421)------------------------------
% 0.13/0.46  % (7421)------------------------------
% 0.13/0.46  % (7322)Success in time 0.165 s
% 0.13/0.47  % Vampire---4.8 exiting
%------------------------------------------------------------------------------