TSTP Solution File: LCL023-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL023-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n031.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 : Tue Apr 30 13:40:14 EDT 2024

% Result   : Unsatisfiable 1.68s 0.61s
% Output   : Refutation 1.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   24 (  18 unt;   0 def)
%            Number of atoms       :   31 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   16 (   9   ~;   7   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    6 (   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   :   67 (  67   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8380,plain,
    $false,
    inference(subsumption_resolution,[],[f8325,f198]) ).

fof(f198,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,equivalent(X0,X1)),X1)),
    inference(resolution,[],[f128,f63]) ).

fof(f63,plain,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X1,equivalent(X0,X2)),X2))),
    inference(resolution,[],[f22,f7]) ).

fof(f7,plain,
    ! [X2,X3,X0,X1] :
      ( ~ is_a_theorem(equivalent(X2,equivalent(equivalent(X3,X1),equivalent(X0,X3))))
      | is_a_theorem(equivalent(equivalent(X0,X1),X2)) ),
    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/sandbox/benchmark/theBenchmark.p',condensed_detachment) ).

fof(f5,plain,
    ! [X2,X3,X0,X1] : is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(X1,X2),equivalent(X3,X1))),equivalent(equivalent(X3,X2),X0))),
    inference(resolution,[],[f4,f2]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X2,X1),equivalent(X0,X2)))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',yql) ).

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

fof(f22,plain,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(equivalent(X0,X1),X2),equivalent(equivalent(X2,X0),X1))),
    inference(resolution,[],[f9,f7]) ).

fof(f9,plain,
    ! [X2,X3,X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X0,X2),equivalent(equivalent(X3,X1),equivalent(X2,X3))))),
    inference(resolution,[],[f7,f5]) ).

fof(f128,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(X1,X1),X0))
      | is_a_theorem(X0) ),
    inference(resolution,[],[f95,f1]) ).

fof(f95,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(equivalent(X0,X0),X1),X1)),
    inference(resolution,[],[f66,f19]) ).

fof(f19,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,X0),equivalent(X1,X1))),
    inference(resolution,[],[f16,f7]) ).

fof(f16,plain,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X0,X2),equivalent(X2,X1)))),
    inference(resolution,[],[f11,f7]) ).

fof(f11,plain,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(X0,equivalent(X1,X2)),equivalent(equivalent(X1,X2),X0))),
    inference(resolution,[],[f8,f4]) ).

fof(f8,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(X0,X1))),
    inference(resolution,[],[f7,f2]) ).

fof(f66,plain,
    ! [X2,X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(X1,X2),X0))
      | is_a_theorem(equivalent(equivalent(X0,X1),X2)) ),
    inference(resolution,[],[f22,f1]) ).

fof(f8325,plain,
    ~ is_a_theorem(equivalent(equivalent(b,equivalent(b,c)),c)),
    inference(resolution,[],[f432,f3]) ).

fof(f3,axiom,
    ~ is_a_theorem(equivalent(equivalent(a,equivalent(b,c)),equivalent(equivalent(a,b),c))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_ec_2) ).

fof(f432,plain,
    ! [X2,X3,X0,X1] :
      ( is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X0,X2),X3)))
      | ~ is_a_theorem(equivalent(equivalent(X2,X1),X3)) ),
    inference(resolution,[],[f71,f1]) ).

fof(f71,plain,
    ! [X2,X3,X0,X1] : is_a_theorem(equivalent(equivalent(equivalent(X0,X1),X2),equivalent(equivalent(X3,X1),equivalent(equivalent(X3,X0),X2)))),
    inference(resolution,[],[f35,f7]) ).

fof(f35,plain,
    ! [X2,X3,X0,X1] : is_a_theorem(equivalent(equivalent(equivalent(X0,X1),X2),equivalent(X2,equivalent(equivalent(X3,X1),equivalent(X0,X3))))),
    inference(resolution,[],[f13,f7]) ).

fof(f13,plain,
    ! [X2,X3,X0,X1,X4] : is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(X1,X2),equivalent(X3,X1))),equivalent(equivalent(X0,X4),equivalent(equivalent(X3,X2),X4)))),
    inference(resolution,[],[f6,f7]) ).

fof(f6,plain,
    ! [X2,X3,X0,X1,X4] : is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(X1,X2),X3)),equivalent(equivalent(X3,equivalent(equivalent(X4,X2),equivalent(X1,X4))),X0))),
    inference(resolution,[],[f5,f4]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : LCL023-1 : TPTP v8.1.2. Released v1.0.0.
% 0.12/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.35  % Computer : n031.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 300
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Mon Apr 29 23:10:58 EDT 2024
% 0.15/0.35  % CPUTime    : 
% 0.15/0.36  % (22612)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.37  % (22617)dis+1_20_av=off:lcm=predicate:nm=2:nwc=2.0_396 on theBenchmark for (396ds/0Mi)
% 0.15/0.37  % (22613)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2_1451 on theBenchmark for (1451ds/0Mi)
% 0.15/0.37  % (22618)dis+11_4:5_nm=4_216 on theBenchmark for (216ds/0Mi)
% 0.15/0.37  % (22615)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 theBenchmark for (476ds/0Mi)
% 0.15/0.37  % (22616)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3:gsp=on:nm=4_470 on theBenchmark for (470ds/0Mi)
% 0.15/0.37  % (22619)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2:si=on:rtra=on:rawr=on:rp=on:fmbksg=on_1451 on theBenchmark for (1451ds/0Mi)
% 0.15/0.37  % (22614)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3_569 on theBenchmark for (569ds/0Mi)
% 0.15/0.37  TRYING [1]
% 0.15/0.37  TRYING [1]
% 0.15/0.37  TRYING [1]
% 0.15/0.37  TRYING [1]
% 0.15/0.37  TRYING [2]
% 0.15/0.37  TRYING [2]
% 0.15/0.37  TRYING [2]
% 0.15/0.37  TRYING [2]
% 0.15/0.37  TRYING [3]
% 0.15/0.37  TRYING [3]
% 0.15/0.37  TRYING [3]
% 0.15/0.37  TRYING [3]
% 0.15/0.38  TRYING [4]
% 0.15/0.38  TRYING [4]
% 0.15/0.38  TRYING [4]
% 0.15/0.38  TRYING [4]
% 0.21/0.52  TRYING [5]
% 0.21/0.52  TRYING [5]
% 0.21/0.52  TRYING [5]
% 0.21/0.52  TRYING [5]
% 1.68/0.61  % (22618)First to succeed.
% 1.68/0.61  % (22618)Refutation found. Thanks to Tanya!
% 1.68/0.61  % SZS status Unsatisfiable for theBenchmark
% 1.68/0.61  % SZS output start Proof for theBenchmark
% See solution above
% 1.68/0.61  % (22618)------------------------------
% 1.68/0.61  % (22618)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 1.68/0.61  % (22618)Termination reason: Refutation
% 1.68/0.61  
% 1.68/0.61  % (22618)Memory used [KB]: 3809
% 1.68/0.61  % (22618)Time elapsed: 0.240 s
% 1.68/0.61  % (22618)Instructions burned: 637 (million)
% 1.68/0.61  % (22618)------------------------------
% 1.68/0.61  % (22618)------------------------------
% 1.68/0.61  % (22612)Success in time 0.245 s
%------------------------------------------------------------------------------