TSTP Solution File: SET899+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET899+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n016.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 15:10:32 EDT 2023

% Result   : Theorem 1.51s 1.15s
% Output   : CNFRefutation 1.51s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   19 (   7 unt;   0 def)
%            Number of atoms       :   46 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   47 (  20   ~;  13   |;  10   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   30 (   0 sgn;  18   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f5,conjecture,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
     => ( subset(X0,set_difference(X1,singleton(X2)))
        | in(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t40_zfmisc_1) ).

fof(f6,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( subset(X0,X1)
       => ( subset(X0,set_difference(X1,singleton(X2)))
          | in(X2,X0) ) ),
    inference(negated_conjecture,[],[f5]) ).

fof(f7,axiom,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
     => ( subset(X0,set_difference(X1,singleton(X2)))
        | in(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_zfmisc_1) ).

fof(f10,plain,
    ? [X0,X1,X2] :
      ( ~ subset(X0,set_difference(X1,singleton(X2)))
      & ~ in(X2,X0)
      & subset(X0,X1) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f11,plain,
    ? [X0,X1,X2] :
      ( ~ subset(X0,set_difference(X1,singleton(X2)))
      & ~ in(X2,X0)
      & subset(X0,X1) ),
    inference(flattening,[],[f10]) ).

fof(f12,plain,
    ! [X0,X1,X2] :
      ( subset(X0,set_difference(X1,singleton(X2)))
      | in(X2,X0)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f13,plain,
    ! [X0,X1,X2] :
      ( subset(X0,set_difference(X1,singleton(X2)))
      | in(X2,X0)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f12]) ).

fof(f18,plain,
    ( ? [X0,X1,X2] :
        ( ~ subset(X0,set_difference(X1,singleton(X2)))
        & ~ in(X2,X0)
        & subset(X0,X1) )
   => ( ~ subset(sK2,set_difference(sK3,singleton(sK4)))
      & ~ in(sK4,sK2)
      & subset(sK2,sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f19,plain,
    ( ~ subset(sK2,set_difference(sK3,singleton(sK4)))
    & ~ in(sK4,sK2)
    & subset(sK2,sK3) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f11,f18]) ).

fof(f24,plain,
    subset(sK2,sK3),
    inference(cnf_transformation,[],[f19]) ).

fof(f25,plain,
    ~ in(sK4,sK2),
    inference(cnf_transformation,[],[f19]) ).

fof(f26,plain,
    ~ subset(sK2,set_difference(sK3,singleton(sK4))),
    inference(cnf_transformation,[],[f19]) ).

fof(f27,plain,
    ! [X2,X0,X1] :
      ( subset(X0,set_difference(X1,singleton(X2)))
      | in(X2,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f13]) ).

cnf(c_53,negated_conjecture,
    ~ subset(sK2,set_difference(sK3,singleton(sK4))),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_54,negated_conjecture,
    ~ in(sK4,sK2),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_55,negated_conjecture,
    subset(sK2,sK3),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_56,plain,
    ( ~ subset(X0,X1)
    | subset(X0,set_difference(X1,singleton(X2)))
    | in(X2,X0) ),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_100,plain,
    ( ~ subset(sK2,sK3)
    | subset(sK2,set_difference(sK3,singleton(sK4)))
    | in(sK4,sK2) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_101,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_100,c_53,c_54,c_55]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET899+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.33  % Computer : n016.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % 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 : Sat Aug 26 10:14:42 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.18/0.46  Running first-order theorem proving
% 0.18/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.51/1.15  % SZS status Started for theBenchmark.p
% 1.51/1.15  % SZS status Theorem for theBenchmark.p
% 1.51/1.15  
% 1.51/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.51/1.15  
% 1.51/1.15  ------  iProver source info
% 1.51/1.15  
% 1.51/1.15  git: date: 2023-05-31 18:12:56 +0000
% 1.51/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.51/1.15  git: non_committed_changes: false
% 1.51/1.15  git: last_make_outside_of_git: false
% 1.51/1.15  
% 1.51/1.15  ------ Parsing...
% 1.51/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.51/1.15  
% 1.51/1.15  ------ Preprocessing... sf_s  rm: 2 0s  sf_e  pe_s  pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.51/1.15  
% 1.51/1.15  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.51/1.15  ------ Proving...
% 1.51/1.15  ------ Problem Properties 
% 1.51/1.15  
% 1.51/1.15  
% 1.51/1.15  clauses                                 6
% 1.51/1.15  conjectures                             3
% 1.51/1.15  EPR                                     4
% 1.51/1.15  Horn                                    5
% 1.51/1.15  unary                                   4
% 1.51/1.15  binary                                  1
% 1.51/1.15  lits                                    9
% 1.51/1.15  lits eq                                 0
% 1.51/1.15  fd_pure                                 0
% 1.51/1.15  fd_pseudo                               0
% 1.51/1.15  fd_cond                                 0
% 1.51/1.15  fd_pseudo_cond                          0
% 1.51/1.15  AC symbols                              0
% 1.51/1.15  
% 1.51/1.15  ------ Schedule dynamic 5 is on 
% 1.51/1.15  
% 1.51/1.15  ------ no equalities: superposition off 
% 1.51/1.15  
% 1.51/1.15  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.51/1.15  
% 1.51/1.15  
% 1.51/1.15  ------ 
% 1.51/1.15  Current options:
% 1.51/1.15  ------ 
% 1.51/1.15  
% 1.51/1.15  
% 1.51/1.15  
% 1.51/1.15  
% 1.51/1.15  ------ Proving...
% 1.51/1.15  
% 1.51/1.15  
% 1.51/1.15  % SZS status Theorem for theBenchmark.p
% 1.51/1.15  
% 1.51/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.51/1.15  
% 1.51/1.15  
%------------------------------------------------------------------------------