TSTP Solution File: SET073+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET073+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 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 : n026.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 18:23:32 EDT 2022

% Result   : Theorem 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   19 (   7 unt;   0 def)
%            Number of atoms       :   56 (  24 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   57 (  20   ~;  17   |;  15   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   31 (  27   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f319,plain,
    $false,
    inference(subsumption_resolution,[],[f318,f236]) ).

fof(f236,plain,
    ! [X0] : ~ member(X0,null_class),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X0] : ~ member(X0,null_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_class_defn) ).

fof(f318,plain,
    member(sK6,null_class),
    inference(superposition,[],[f315,f220]) ).

fof(f220,plain,
    null_class = unordered_pair(sK6,sK7),
    inference(cnf_transformation,[],[f139]) ).

fof(f139,plain,
    ( null_class = unordered_pair(sK6,sK7)
    & member(sK6,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6,sK7])],[f79,f138]) ).

fof(f138,plain,
    ( ? [X0,X1] :
        ( unordered_pair(X0,X1) = null_class
        & member(X0,universal_class) )
   => ( null_class = unordered_pair(sK6,sK7)
      & member(sK6,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f79,plain,
    ? [X0,X1] :
      ( unordered_pair(X0,X1) = null_class
      & member(X0,universal_class) ),
    inference(ennf_transformation,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X1,X0] :
        ( member(X0,universal_class)
       => unordered_pair(X0,X1) != null_class ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X1,X0] :
      ( member(X0,universal_class)
     => unordered_pair(X0,X1) != null_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary1_1) ).

fof(f315,plain,
    ! [X13] : member(sK6,unordered_pair(sK6,X13)),
    inference(resolution,[],[f282,f219]) ).

fof(f219,plain,
    member(sK6,universal_class),
    inference(cnf_transformation,[],[f139]) ).

fof(f282,plain,
    ! [X2,X0] :
      ( ~ member(X2,universal_class)
      | member(X2,unordered_pair(X2,X0)) ),
    inference(equality_resolution,[],[f232]) ).

fof(f232,plain,
    ! [X2,X0,X1] :
      ( member(X2,unordered_pair(X1,X0))
      | ~ member(X2,universal_class)
      | X1 != X2 ),
    inference(cnf_transformation,[],[f148]) ).

fof(f148,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,unordered_pair(X1,X0))
        | ~ member(X2,universal_class)
        | ( X0 != X2
          & X1 != X2 ) )
      & ( ( member(X2,universal_class)
          & ( X0 = X2
            | X1 = X2 ) )
        | ~ member(X2,unordered_pair(X1,X0)) ) ),
    inference(rectify,[],[f147]) ).

fof(f147,plain,
    ! [X0,X2,X1] :
      ( ( member(X1,unordered_pair(X2,X0))
        | ~ member(X1,universal_class)
        | ( X0 != X1
          & X1 != X2 ) )
      & ( ( member(X1,universal_class)
          & ( X0 = X1
            | X1 = X2 ) )
        | ~ member(X1,unordered_pair(X2,X0)) ) ),
    inference(flattening,[],[f146]) ).

fof(f146,plain,
    ! [X0,X2,X1] :
      ( ( member(X1,unordered_pair(X2,X0))
        | ~ member(X1,universal_class)
        | ( X0 != X1
          & X1 != X2 ) )
      & ( ( member(X1,universal_class)
          & ( X0 = X1
            | X1 = X2 ) )
        | ~ member(X1,unordered_pair(X2,X0)) ) ),
    inference(nnf_transformation,[],[f59]) ).

fof(f59,plain,
    ! [X0,X2,X1] :
      ( member(X1,unordered_pair(X2,X0))
    <=> ( member(X1,universal_class)
        & ( X0 = X1
          | X1 = X2 ) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X1,X2,X0] :
      ( member(X2,unordered_pair(X0,X1))
    <=> ( member(X2,universal_class)
        & ( X0 = X2
          | X1 = X2 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_defn) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET073+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 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
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 13:22:36 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.49  % (1511)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.50  % (1528)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.20/0.51  % (1509)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.51  % (1520)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.20/0.51  % (1517)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.52  % (1534)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.20/0.52  % (1528)First to succeed.
% 0.20/0.53  % (1505)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.20/0.53  % (1523)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.20/0.53  % (1510)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 (2999ds/48Mi)
% 0.20/0.53  % (1532)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.20/0.53  % (1507)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.20/0.53  % (1533)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.20/0.53  % (1528)Refutation found. Thanks to Tanya!
% 0.20/0.53  % SZS status Theorem for theBenchmark
% 0.20/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.53  % (1528)------------------------------
% 0.20/0.53  % (1528)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (1528)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (1528)Termination reason: Refutation
% 0.20/0.53  
% 0.20/0.53  % (1528)Memory used [KB]: 1151
% 0.20/0.53  % (1528)Time elapsed: 0.124 s
% 0.20/0.53  % (1528)Instructions burned: 7 (million)
% 0.20/0.53  % (1528)------------------------------
% 0.20/0.53  % (1528)------------------------------
% 0.20/0.53  % (1503)Success in time 0.182 s
%------------------------------------------------------------------------------