TSTP Solution File: SET093+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET093+1 : TPTP v8.1.2. Bugfixed v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n019.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 : Thu Aug 31 15:06:24 EDT 2023

% Result   : Theorem 2.79s 1.21s
% Output   : CNFRefutation 2.79s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   17 (  12 unt;   0 def)
%            Number of atoms       :   24 (  11 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   14 (   7   ~;   0   |;   4   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   12 (   2 sgn;   8   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f5,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair) ).

fof(f6,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set_defn) ).

fof(f48,conjecture,
    ! [X0] :
      ( singleton(member_of(X0)) = X0
     => member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_singletons_are_sets) ).

fof(f49,negated_conjecture,
    ~ ! [X0] :
        ( singleton(member_of(X0)) = X0
       => member(X0,universal_class) ),
    inference(negated_conjecture,[],[f48]) ).

fof(f92,plain,
    ? [X0] :
      ( ~ member(X0,universal_class)
      & singleton(member_of(X0)) = X0 ),
    inference(ennf_transformation,[],[f49]) ).

fof(f141,plain,
    ( ? [X0] :
        ( ~ member(X0,universal_class)
        & singleton(member_of(X0)) = X0 )
   => ( ~ member(sK6,universal_class)
      & sK6 = singleton(member_of(sK6)) ) ),
    introduced(choice_axiom,[]) ).

fof(f142,plain,
    ( ~ member(sK6,universal_class)
    & sK6 = singleton(member_of(sK6)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f92,f141]) ).

fof(f154,plain,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f5]) ).

fof(f155,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f6]) ).

fof(f234,plain,
    sK6 = singleton(member_of(sK6)),
    inference(cnf_transformation,[],[f142]) ).

fof(f235,plain,
    ~ member(sK6,universal_class),
    inference(cnf_transformation,[],[f142]) ).

fof(f276,plain,
    sK6 = unordered_pair(member_of(sK6),member_of(sK6)),
    inference(definition_unfolding,[],[f234,f155]) ).

cnf(c_60,plain,
    member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f154]) ).

cnf(c_132,negated_conjecture,
    ~ member(sK6,universal_class),
    inference(cnf_transformation,[],[f235]) ).

cnf(c_133,negated_conjecture,
    unordered_pair(member_of(sK6),member_of(sK6)) = sK6,
    inference(cnf_transformation,[],[f276]) ).

cnf(c_2478,plain,
    member(sK6,universal_class),
    inference(superposition,[status(thm)],[c_133,c_60]) ).

cnf(c_2479,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_2478,c_132]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET093+1 : TPTP v8.1.2. Bugfixed v7.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n019.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Sat Aug 26 10:06:13 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.19/0.46  Running first-order theorem proving
% 0.19/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 2.79/1.21  % SZS status Started for theBenchmark.p
% 2.79/1.21  % SZS status Theorem for theBenchmark.p
% 2.79/1.21  
% 2.79/1.21  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.79/1.21  
% 2.79/1.21  ------  iProver source info
% 2.79/1.21  
% 2.79/1.21  git: date: 2023-05-31 18:12:56 +0000
% 2.79/1.21  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.79/1.21  git: non_committed_changes: false
% 2.79/1.21  git: last_make_outside_of_git: false
% 2.79/1.21  
% 2.79/1.21  ------ Parsing...
% 2.79/1.21  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.79/1.21  
% 2.79/1.21  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe_e  sup_sim: 0  sf_s  rm: 4 0s  sf_e  pe_s  pe_e 
% 2.79/1.21  
% 2.79/1.21  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.79/1.21  
% 2.79/1.21  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.79/1.21  ------ Proving...
% 2.79/1.21  ------ Problem Properties 
% 2.79/1.21  
% 2.79/1.21  
% 2.79/1.21  clauses                                 80
% 2.79/1.21  conjectures                             2
% 2.79/1.21  EPR                                     8
% 2.79/1.21  Horn                                    70
% 2.79/1.21  unary                                   16
% 2.79/1.21  binary                                  43
% 2.79/1.21  lits                                    166
% 2.79/1.21  lits eq                                 19
% 2.79/1.21  fd_pure                                 0
% 2.79/1.21  fd_pseudo                               0
% 2.79/1.21  fd_cond                                 4
% 2.79/1.21  fd_pseudo_cond                          3
% 2.79/1.21  AC symbols                              0
% 2.79/1.21  
% 2.79/1.21  ------ Schedule dynamic 5 is on 
% 2.79/1.21  
% 2.79/1.21  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.79/1.21  
% 2.79/1.21  
% 2.79/1.21  ------ 
% 2.79/1.21  Current options:
% 2.79/1.21  ------ 
% 2.79/1.21  
% 2.79/1.21  
% 2.79/1.21  
% 2.79/1.21  
% 2.79/1.21  ------ Proving...
% 2.79/1.21  
% 2.79/1.21  
% 2.79/1.21  % SZS status Theorem for theBenchmark.p
% 2.79/1.21  
% 2.79/1.21  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.79/1.21  
% 2.79/1.21  
%------------------------------------------------------------------------------