TSTP Solution File: SET117+1 by iProver---3.8

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%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET117+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n011.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 15:06:38 EDT 2023

% Result   : Theorem 0.57s 1.24s
% Output   : CNFRefutation 0.57s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   20 (  15 unt;   0 def)
%            Number of atoms       :   27 (  14 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    :    5 (   2 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :   18 (   2 sgn;  14   !;   2   ?)

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

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

fof(f7,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordered_pair_defn) ).

fof(f44,conjecture,
    ! [X0] :
      ( ordered_pair(first(X0),second(X0)) = X0
     => member(X0,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary_1_to_ordered_pairs_are_sets) ).

fof(f45,negated_conjecture,
    ~ ! [X0] :
        ( ordered_pair(first(X0),second(X0)) = X0
       => member(X0,universal_class) ),
    inference(negated_conjecture,[],[f44]) ).

fof(f84,plain,
    ? [X0] :
      ( ~ member(X0,universal_class)
      & ordered_pair(first(X0),second(X0)) = X0 ),
    inference(ennf_transformation,[],[f45]) ).

fof(f133,plain,
    ( ? [X0] :
        ( ~ member(X0,universal_class)
        & ordered_pair(first(X0),second(X0)) = X0 )
   => ( ~ member(sK6,universal_class)
      & sK6 = ordered_pair(first(sK6),second(sK6)) ) ),
    introduced(choice_axiom,[]) ).

fof(f134,plain,
    ( ~ member(sK6,universal_class)
    & sK6 = ordered_pair(first(sK6),second(sK6)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f84,f133]) ).

fof(f146,plain,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f5]) ).

fof(f147,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f6]) ).

fof(f148,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    inference(cnf_transformation,[],[f7]) ).

fof(f222,plain,
    sK6 = ordered_pair(first(sK6),second(sK6)),
    inference(cnf_transformation,[],[f134]) ).

fof(f223,plain,
    ~ member(sK6,universal_class),
    inference(cnf_transformation,[],[f134]) ).

fof(f224,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f148,f147,f147]) ).

fof(f261,plain,
    sK6 = unordered_pair(unordered_pair(first(sK6),first(sK6)),unordered_pair(first(sK6),unordered_pair(second(sK6),second(sK6)))),
    inference(definition_unfolding,[],[f222,f224]) ).

cnf(c_60,plain,
    member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f146]) ).

cnf(c_128,negated_conjecture,
    ~ member(sK6,universal_class),
    inference(cnf_transformation,[],[f223]) ).

cnf(c_129,negated_conjecture,
    unordered_pair(unordered_pair(first(sK6),first(sK6)),unordered_pair(first(sK6),unordered_pair(second(sK6),second(sK6)))) = sK6,
    inference(cnf_transformation,[],[f261]) ).

cnf(c_2362,plain,
    member(sK6,universal_class),
    inference(superposition,[status(thm)],[c_129,c_60]) ).

cnf(c_2363,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_2362,c_128]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SET117+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.12/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n011.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Sat Aug 26 10:54:24 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.20/0.49  Running first-order theorem proving
% 0.20/0.49  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.57/1.24  % SZS status Started for theBenchmark.p
% 0.57/1.24  % SZS status Theorem for theBenchmark.p
% 0.57/1.24  
% 0.57/1.24  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.57/1.24  
% 0.57/1.24  ------  iProver source info
% 0.57/1.24  
% 0.57/1.24  git: date: 2023-05-31 18:12:56 +0000
% 0.57/1.24  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.57/1.24  git: non_committed_changes: false
% 0.57/1.24  git: last_make_outside_of_git: false
% 0.57/1.24  
% 0.57/1.24  ------ Parsing...
% 0.57/1.24  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.57/1.24  
% 0.57/1.24  ------ 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 
% 0.57/1.24  
% 0.57/1.24  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.57/1.24  
% 0.57/1.24  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 0.57/1.24  ------ Proving...
% 0.57/1.24  ------ Problem Properties 
% 0.57/1.24  
% 0.57/1.24  
% 0.57/1.24  clauses                                 76
% 0.57/1.24  conjectures                             2
% 0.57/1.24  EPR                                     8
% 0.57/1.24  Horn                                    68
% 0.57/1.24  unary                                   16
% 0.57/1.24  binary                                  39
% 0.57/1.24  lits                                    158
% 0.57/1.24  lits eq                                 15
% 0.57/1.24  fd_pure                                 0
% 0.57/1.24  fd_pseudo                               0
% 0.57/1.24  fd_cond                                 4
% 0.57/1.24  fd_pseudo_cond                          3
% 0.57/1.24  AC symbols                              0
% 0.57/1.24  
% 0.57/1.24  ------ Schedule dynamic 5 is on 
% 0.57/1.24  
% 0.57/1.24  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.57/1.24  
% 0.57/1.24  
% 0.57/1.24  ------ 
% 0.57/1.24  Current options:
% 0.57/1.24  ------ 
% 0.57/1.24  
% 0.57/1.24  
% 0.57/1.24  
% 0.57/1.24  
% 0.57/1.24  ------ Proving...
% 0.57/1.24  
% 0.57/1.24  
% 0.57/1.24  % SZS status Theorem for theBenchmark.p
% 0.57/1.24  
% 0.57/1.24  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.57/1.24  
% 0.57/1.24  
%------------------------------------------------------------------------------