TSTP Solution File: SEU134+1 by iProver---3.8

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%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU134+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n025.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 17:03:56 EDT 2023

% Result   : Theorem 0.76s 1.15s
% Output   : CNFRefutation 0.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   25 (   3 unt;   0 def)
%            Number of atoms       :   60 (  31 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   59 (  24   ~;  25   |;   5   &)
%                                         (   3 <=>;   1  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   30 (   0 sgn;  12   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f13,conjecture,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_xboole_1) ).

fof(f14,negated_conjecture,
    ~ ! [X0,X1] :
        ( empty_set = set_difference(X0,X1)
      <=> subset(X0,X1) ),
    inference(negated_conjecture,[],[f13]) ).

fof(f15,axiom,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l32_xboole_1) ).

fof(f21,plain,
    ? [X0,X1] :
      ( empty_set = set_difference(X0,X1)
    <~> subset(X0,X1) ),
    inference(ennf_transformation,[],[f14]) ).

fof(f26,plain,
    ? [X0,X1] :
      ( ( ~ subset(X0,X1)
        | empty_set != set_difference(X0,X1) )
      & ( subset(X0,X1)
        | empty_set = set_difference(X0,X1) ) ),
    inference(nnf_transformation,[],[f21]) ).

fof(f27,plain,
    ( ? [X0,X1] :
        ( ( ~ subset(X0,X1)
          | empty_set != set_difference(X0,X1) )
        & ( subset(X0,X1)
          | empty_set = set_difference(X0,X1) ) )
   => ( ( ~ subset(sK2,sK3)
        | empty_set != set_difference(sK2,sK3) )
      & ( subset(sK2,sK3)
        | empty_set = set_difference(sK2,sK3) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f28,plain,
    ( ( ~ subset(sK2,sK3)
      | empty_set != set_difference(sK2,sK3) )
    & ( subset(sK2,sK3)
      | empty_set = set_difference(sK2,sK3) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f26,f27]) ).

fof(f29,plain,
    ! [X0,X1] :
      ( ( empty_set = set_difference(X0,X1)
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | empty_set != set_difference(X0,X1) ) ),
    inference(nnf_transformation,[],[f15]) ).

fof(f38,plain,
    ( subset(sK2,sK3)
    | empty_set = set_difference(sK2,sK3) ),
    inference(cnf_transformation,[],[f28]) ).

fof(f39,plain,
    ( ~ subset(sK2,sK3)
    | empty_set != set_difference(sK2,sK3) ),
    inference(cnf_transformation,[],[f28]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | empty_set != set_difference(X0,X1) ),
    inference(cnf_transformation,[],[f29]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f29]) ).

cnf(c_57,negated_conjecture,
    ( set_difference(sK2,sK3) != empty_set
    | ~ subset(sK2,sK3) ),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_58,negated_conjecture,
    ( set_difference(sK2,sK3) = empty_set
    | subset(sK2,sK3) ),
    inference(cnf_transformation,[],[f38]) ).

cnf(c_59,plain,
    ( ~ subset(X0,X1)
    | set_difference(X0,X1) = empty_set ),
    inference(cnf_transformation,[],[f41]) ).

cnf(c_60,plain,
    ( set_difference(X0,X1) != empty_set
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f40]) ).

cnf(c_66,plain,
    ( subset(sK2,sK3)
    | set_difference(sK2,sK3) = empty_set ),
    inference(prop_impl_just,[status(thm)],[c_58]) ).

cnf(c_67,plain,
    ( set_difference(sK2,sK3) = empty_set
    | subset(sK2,sK3) ),
    inference(renaming,[status(thm)],[c_66]) ).

cnf(c_68,plain,
    ( subset(X0,X1)
    | set_difference(X0,X1) != empty_set ),
    inference(prop_impl_just,[status(thm)],[c_60]) ).

cnf(c_69,plain,
    ( set_difference(X0,X1) != empty_set
    | subset(X0,X1) ),
    inference(renaming,[status(thm)],[c_68]) ).

cnf(c_70,plain,
    ( ~ subset(X0,X1)
    | set_difference(X0,X1) = empty_set ),
    inference(prop_impl_just,[status(thm)],[c_59]) ).

cnf(c_116,plain,
    subset(sK2,sK3),
    inference(forward_subsumption_resolution,[status(thm)],[c_67,c_69]) ).

cnf(c_166,plain,
    ( X0 != sK2
    | X1 != sK3
    | set_difference(X0,X1) = empty_set ),
    inference(resolution_lifted,[status(thm)],[c_116,c_70]) ).

cnf(c_167,plain,
    set_difference(sK2,sK3) = empty_set,
    inference(unflattening,[status(thm)],[c_166]) ).

cnf(c_168,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_167,c_116,c_57]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU134+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n025.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 : Thu Aug 24 01:25:21 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.76/1.15  % SZS status Started for theBenchmark.p
% 0.76/1.15  % SZS status Theorem for theBenchmark.p
% 0.76/1.15  
% 0.76/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.76/1.15  
% 0.76/1.15  ------  iProver source info
% 0.76/1.15  
% 0.76/1.15  git: date: 2023-05-31 18:12:56 +0000
% 0.76/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.76/1.15  git: non_committed_changes: false
% 0.76/1.15  git: last_make_outside_of_git: false
% 0.76/1.15  
% 0.76/1.15  ------ Parsing...
% 0.76/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.76/1.15  
% 0.76/1.15  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s 
% 0.76/1.15  
% 0.76/1.15  % SZS status Theorem for theBenchmark.p
% 0.76/1.15  
% 0.76/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.76/1.15  
% 0.76/1.15  
%------------------------------------------------------------------------------