TSTP Solution File: LCL022-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL022-1 : 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 : n016.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 07:43:48 EDT 2024

% Result   : Unsatisfiable 0.16s 0.37s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   22 (   6 unt;   0 def)
%            Number of atoms       :   49 (   0 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   59 (  32   ~;  27   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   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   :   44 (  44   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1105,plain,
    $false,
    inference(resolution,[],[f1095,f277]) ).

fof(f277,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(X1,X0))),
    inference(resolution,[],[f218,f2]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X2,X1),equivalent(X0,X2)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',yql) ).

fof(f218,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(X0,X0),X1))
      | is_a_theorem(X1) ),
    inference(resolution,[],[f189,f119]) ).

fof(f119,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X1)))
      | is_a_theorem(X0) ),
    inference(resolution,[],[f109,f32]) ).

fof(f32,plain,
    ! [X0] : is_a_theorem(equivalent(X0,X0)),
    inference(resolution,[],[f28,f2]) ).

fof(f28,plain,
    ! [X0] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X0,X0)))
      | is_a_theorem(X0) ),
    inference(factoring,[],[f19]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X1,equivalent(X1,X0)))
      | ~ is_a_theorem(equivalent(X0,equivalent(X1,X0)))
      | is_a_theorem(X0) ),
    inference(resolution,[],[f15,f4]) ).

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

fof(f1,axiom,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | is_a_theorem(X1)
      | ~ is_a_theorem(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).

fof(f15,plain,
    ! [X2,X3] :
      ( ~ is_a_theorem(equivalent(equivalent(X2,X3),X3))
      | ~ is_a_theorem(equivalent(X2,X3))
      | is_a_theorem(X2) ),
    inference(factoring,[],[f6]) ).

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

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

fof(f109,plain,
    ! [X6,X4,X5] :
      ( ~ is_a_theorem(equivalent(X4,equivalent(X5,X5)))
      | ~ is_a_theorem(equivalent(X5,X6))
      | is_a_theorem(X4) ),
    inference(factoring,[],[f12]) ).

fof(f12,plain,
    ! [X2,X3,X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
      | ~ is_a_theorem(equivalent(X2,X3))
      | ~ is_a_theorem(equivalent(X1,X3))
      | is_a_theorem(X0) ),
    inference(resolution,[],[f6,f4]) ).

fof(f189,plain,
    ! [X0,X1] :
      ( is_a_theorem(equivalent(X1,X0))
      | ~ is_a_theorem(equivalent(X0,X1)) ),
    inference(resolution,[],[f106,f32]) ).

fof(f106,plain,
    ! [X2,X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
      | ~ is_a_theorem(equivalent(X2,X1))
      | is_a_theorem(X0) ),
    inference(resolution,[],[f12,f32]) ).

fof(f1095,plain,
    ~ is_a_theorem(equivalent(equivalent(b,c),equivalent(c,b))),
    inference(resolution,[],[f156,f32]) ).

fof(f156,plain,
    ! [X2,X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(c,a)),equivalent(equivalent(X2,X1),equivalent(X0,X2))))
      | ~ is_a_theorem(equivalent(equivalent(b,c),equivalent(X0,X1))) ),
    inference(resolution,[],[f18,f2]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(equivalent(b,c),X0))
      | ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(c,a)),X1))
      | ~ is_a_theorem(equivalent(X0,X1)) ),
    inference(resolution,[],[f7,f5]) ).

fof(f7,plain,
    ! [X0] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(c,a)),X0))
      | ~ is_a_theorem(equivalent(equivalent(b,c),X0)) ),
    inference(resolution,[],[f5,f3]) ).

fof(f3,axiom,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(c,a)),equivalent(b,c))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_ec_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.10  % Problem    : LCL022-1 : TPTP v8.1.2. Released v1.0.0.
% 0.09/0.11  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.10/0.31  % Computer : n016.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit   : 300
% 0.10/0.31  % WCLimit    : 300
% 0.10/0.31  % DateTime   : Fri May  3 14:30:30 EDT 2024
% 0.10/0.31  % CPUTime    : 
% 0.10/0.31  % (17176)Running in auto input_syntax mode. Trying TPTP
% 0.16/0.33  % (17180)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3:gsp=on:nm=4_470 on theBenchmark for (470ds/0Mi)
% 0.16/0.33  % (17177)fmb+10_1_fmbas=off:fmbsr=1.3:nm=2_1451 on theBenchmark for (1451ds/0Mi)
% 0.16/0.33  % (17178)fmb+10_1_bce=on:fmbas=expand:fmbksg=on:fmbsr=1.3_569 on theBenchmark for (569ds/0Mi)
% 0.16/0.33  % (17181)dis+1_20_av=off:lcm=predicate:nm=2:nwc=2.0_396 on theBenchmark for (396ds/0Mi)
% 0.16/0.33  % (17179)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)
% 0.16/0.33  % (17183)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)
% 0.16/0.33  % (17182)dis+11_4:5_nm=4_216 on theBenchmark for (216ds/0Mi)
% 0.16/0.33  TRYING [1]
% 0.16/0.33  TRYING [1]
% 0.16/0.33  TRYING [1]
% 0.16/0.33  TRYING [1]
% 0.16/0.33  TRYING [2]
% 0.16/0.33  TRYING [2]
% 0.16/0.33  TRYING [2]
% 0.16/0.33  TRYING [2]
% 0.16/0.33  TRYING [3]
% 0.16/0.33  TRYING [3]
% 0.16/0.33  TRYING [3]
% 0.16/0.33  TRYING [3]
% 0.16/0.34  TRYING [4]
% 0.16/0.34  TRYING [4]
% 0.16/0.34  TRYING [4]
% 0.16/0.34  TRYING [4]
% 0.16/0.37  % (17179)First to succeed.
% 0.16/0.37  % (17179)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-17176"
% 0.16/0.37  % (17179)Refutation found. Thanks to Tanya!
% 0.16/0.37  % SZS status Unsatisfiable for theBenchmark
% 0.16/0.37  % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.37  % (17179)------------------------------
% 0.16/0.37  % (17179)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.16/0.37  % (17179)Termination reason: Refutation
% 0.16/0.37  
% 0.16/0.37  % (17179)Memory used [KB]: 1185
% 0.16/0.37  % (17179)Time elapsed: 0.047 s
% 0.16/0.37  % (17179)Instructions burned: 105 (million)
% 0.16/0.37  % (17176)Success in time 0.062 s
%------------------------------------------------------------------------------