TSTP Solution File: SYN960+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SYN960+1 : TPTP v8.1.0. Released v3.1.0.
% 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 : n021.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 19:46:12 EDT 2022

% Result   : Theorem 0.16s 0.43s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   24 (   1 unt;   0 def)
%            Number of atoms       :   55 (   0 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   54 (  23   ~;  19   |;   3   &)
%                                         (   6 <=>;   2  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   4 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   48 (  20   !;  28   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f29,plain,
    $false,
    inference(avatar_sat_refutation,[],[f15,f24,f26,f28]) ).

fof(f28,plain,
    ( ~ spl4_1
    | ~ spl4_2 ),
    inference(avatar_contradiction_clause,[],[f27]) ).

fof(f27,plain,
    ( $false
    | ~ spl4_1
    | ~ spl4_2 ),
    inference(subsumption_resolution,[],[f19,f14]) ).

fof(f14,plain,
    ( ! [X0,X1] : ~ a(X0,X1)
    | ~ spl4_1 ),
    inference(avatar_component_clause,[],[f13]) ).

fof(f13,plain,
    ( spl4_1
  <=> ! [X0,X1] : ~ a(X0,X1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_1])]) ).

fof(f19,plain,
    ( a(sK0,sK1)
    | ~ spl4_2 ),
    inference(avatar_component_clause,[],[f17]) ).

fof(f17,plain,
    ( spl4_2
  <=> a(sK0,sK1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_2])]) ).

fof(f26,plain,
    ( ~ spl4_1
    | ~ spl4_3 ),
    inference(avatar_contradiction_clause,[],[f25]) ).

fof(f25,plain,
    ( $false
    | ~ spl4_1
    | ~ spl4_3 ),
    inference(subsumption_resolution,[],[f23,f14]) ).

fof(f23,plain,
    ( a(sK2,sK3)
    | ~ spl4_3 ),
    inference(avatar_component_clause,[],[f21]) ).

fof(f21,plain,
    ( spl4_3
  <=> a(sK2,sK3) ),
    introduced(avatar_definition,[new_symbols(naming,[spl4_3])]) ).

fof(f24,plain,
    ( spl4_2
    | spl4_3 ),
    inference(avatar_split_clause,[],[f10,f21,f17]) ).

fof(f10,plain,
    ( a(sK2,sK3)
    | a(sK0,sK1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f9,plain,
    ( ( ! [X0,X1] : ~ a(X0,X1)
      | ! [X2,X3] : ~ a(X2,X3) )
    & ( a(sK0,sK1)
      | a(sK2,sK3) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3])],[f6,f8,f7]) ).

fof(f7,plain,
    ( ? [X4,X5] : a(X4,X5)
   => a(sK0,sK1) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ( ? [X6,X7] : a(X6,X7)
   => a(sK2,sK3) ),
    introduced(choice_axiom,[]) ).

fof(f6,plain,
    ( ( ! [X0,X1] : ~ a(X0,X1)
      | ! [X2,X3] : ~ a(X2,X3) )
    & ( ? [X4,X5] : a(X4,X5)
      | ? [X6,X7] : a(X6,X7) ) ),
    inference(rectify,[],[f5]) ).

fof(f5,plain,
    ( ( ! [X0,X1] : ~ a(X0,X1)
      | ! [X2,X3] : ~ a(X2,X3) )
    & ( ? [X0,X1] : a(X0,X1)
      | ? [X2,X3] : a(X2,X3) ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f4,plain,
    ( ? [X2,X3] : a(X2,X3)
  <~> ? [X0,X1] : a(X0,X1) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,plain,
    ~ ( ? [X0,X1] : a(X0,X1)
    <=> ? [X2,X3] : a(X2,X3) ),
    inference(rectify,[],[f2]) ).

fof(f2,negated_conjecture,
    ~ ( ? [X0,X1] : a(X0,X1)
    <=> ? [X0,X1] : a(X0,X1) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f1,conjecture,
    ( ? [X0,X1] : a(X0,X1)
  <=> ? [X0,X1] : a(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this) ).

fof(f15,plain,
    ( spl4_1
    | spl4_1 ),
    inference(avatar_split_clause,[],[f11,f13,f13]) ).

fof(f11,plain,
    ! [X2,X3,X0,X1] :
      ( ~ a(X2,X3)
      | ~ a(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.10  % Problem    : SYN960+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.11  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.11/0.32  % Computer : n021.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit   : 300
% 0.11/0.32  % WCLimit    : 300
% 0.11/0.32  % DateTime   : Tue Aug 30 22:29:26 EDT 2022
% 0.11/0.32  % CPUTime    : 
% 0.16/0.42  % (18024)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/467Mi)
% 0.16/0.42  % (18011)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/50Mi)
% 0.16/0.42  % (18024)First to succeed.
% 0.16/0.42  % (18011)Also succeeded, but the first one will report.
% 0.16/0.43  % (18024)Refutation found. Thanks to Tanya!
% 0.16/0.43  % SZS status Theorem for theBenchmark
% 0.16/0.43  % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.43  % (18024)------------------------------
% 0.16/0.43  % (18024)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.16/0.43  % (18024)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.16/0.43  % (18024)Termination reason: Refutation
% 0.16/0.43  
% 0.16/0.43  % (18024)Memory used [KB]: 5373
% 0.16/0.43  % (18024)Time elapsed: 0.006 s
% 0.16/0.43  % (18024)Instructions burned: 2 (million)
% 0.16/0.43  % (18024)------------------------------
% 0.16/0.43  % (18024)------------------------------
% 0.16/0.43  % (18000)Success in time 0.102 s
%------------------------------------------------------------------------------