TSTP Solution File: SET576+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET576+3 : TPTP v8.1.0. Released v2.2.0.
% 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 : n008.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 18:24:57 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   25 (   4 unt;   0 def)
%            Number of atoms       :   71 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   85 (  39   ~;  21   |;  15   &)
%                                         (   3 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   51 (  40   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f32,plain,
    $false,
    inference(subsumption_resolution,[],[f31,f26]) ).

fof(f26,plain,
    intersect(sK2,sK1),
    inference(resolution,[],[f25,f23]) ).

fof(f23,plain,
    ~ disjoint(sK2,sK1),
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ( ~ disjoint(sK2,sK1)
    & ! [X2] :
        ( ~ member(X2,sK2)
        | ~ member(X2,sK1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f16,f17]) ).

fof(f17,plain,
    ( ? [X0,X1] :
        ( ~ disjoint(X1,X0)
        & ! [X2] :
            ( ~ member(X2,X1)
            | ~ member(X2,X0) ) )
   => ( ~ disjoint(sK2,sK1)
      & ! [X2] :
          ( ~ member(X2,sK2)
          | ~ member(X2,sK1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ? [X0,X1] :
      ( ~ disjoint(X1,X0)
      & ! [X2] :
          ( ~ member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(rectify,[],[f10]) ).

fof(f10,plain,
    ? [X1,X0] :
      ( ~ disjoint(X0,X1)
      & ! [X2] :
          ( ~ member(X2,X0)
          | ~ member(X2,X1) ) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f5,negated_conjecture,
    ~ ! [X0,X1] :
        ( ! [X2] :
            ( member(X2,X0)
           => ~ member(X2,X1) )
       => disjoint(X0,X1) ),
    inference(negated_conjecture,[],[f4]) ).

fof(f4,conjecture,
    ! [X0,X1] :
      ( ! [X2] :
          ( member(X2,X0)
         => ~ member(X2,X1) )
     => disjoint(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th17) ).

fof(f25,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | intersect(X0,X1) ),
    inference(cnf_transformation,[],[f9]) ).

fof(f9,plain,
    ! [X0,X1] :
      ( intersect(X0,X1)
      | disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,plain,
    ! [X1,X0] :
      ( ~ intersect(X0,X1)
     => disjoint(X0,X1) ),
    inference(unused_predicate_definition_removal,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( disjoint(X0,X1)
    <=> ~ intersect(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',disjoint_defn) ).

fof(f31,plain,
    ~ intersect(sK2,sK1),
    inference(duplicate_literal_removal,[],[f29]) ).

fof(f29,plain,
    ( ~ intersect(sK2,sK1)
    | ~ intersect(sK2,sK1) ),
    inference(resolution,[],[f20,f27]) ).

fof(f27,plain,
    ! [X0] :
      ( ~ member(sK0(X0,sK2),sK1)
      | ~ intersect(sK2,X0) ),
    inference(resolution,[],[f19,f22]) ).

fof(f22,plain,
    ! [X2] :
      ( ~ member(X2,sK2)
      | ~ member(X2,sK1) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( member(sK0(X0,X1),X1)
      | ~ intersect(X1,X0) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( ( intersect(X1,X0)
        | ! [X2] :
            ( ~ member(X2,X0)
            | ~ member(X2,X1) ) )
      & ( ( member(sK0(X0,X1),X0)
          & member(sK0(X0,X1),X1) )
        | ~ intersect(X1,X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f13,f14]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( member(X3,X0)
          & member(X3,X1) )
     => ( member(sK0(X0,X1),X0)
        & member(sK0(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( ( intersect(X1,X0)
        | ! [X2] :
            ( ~ member(X2,X0)
            | ~ member(X2,X1) ) )
      & ( ? [X3] :
            ( member(X3,X0)
            & member(X3,X1) )
        | ~ intersect(X1,X0) ) ),
    inference(rectify,[],[f12]) ).

fof(f12,plain,
    ! [X0,X1] :
      ( ( intersect(X1,X0)
        | ! [X2] :
            ( ~ member(X2,X0)
            | ~ member(X2,X1) ) )
      & ( ? [X2] :
            ( member(X2,X0)
            & member(X2,X1) )
        | ~ intersect(X1,X0) ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f6,plain,
    ! [X0,X1] :
      ( intersect(X1,X0)
    <=> ? [X2] :
          ( member(X2,X0)
          & member(X2,X1) ) ),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] :
      ( intersect(X0,X1)
    <=> ? [X2] :
          ( member(X2,X1)
          & member(X2,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersect_defn) ).

fof(f20,plain,
    ! [X0,X1] :
      ( member(sK0(X0,X1),X0)
      | ~ intersect(X1,X0) ),
    inference(cnf_transformation,[],[f15]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET576+3 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.13  % 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 : n008.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 14:04:10 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.51  % (19858)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/176Mi)
% 0.19/0.51  % (19858)First to succeed.
% 0.19/0.51  % (19858)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Theorem for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (19858)------------------------------
% 0.19/0.51  % (19858)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (19858)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (19858)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (19858)Memory used [KB]: 5373
% 0.19/0.51  % (19858)Time elapsed: 0.104 s
% 0.19/0.51  % (19858)Instructions burned: 1 (million)
% 0.19/0.51  % (19858)------------------------------
% 0.19/0.51  % (19858)------------------------------
% 0.19/0.51  % (19837)Success in time 0.167 s
%------------------------------------------------------------------------------