TSTP Solution File: SEU121+2 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU121+2 : TPTP v8.1.2. Released v3.3.0.
% 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 17:03:49 EDT 2023

% Result   : Theorem 2.60s 1.15s
% Output   : CNFRefutation 2.60s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   35 (   9 unt;   0 def)
%            Number of atoms       :   94 (   4 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  100 (  41   ~;  32   |;  20   &)
%                                         (   2 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   59 (   0 sgn;  30   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_tarski) ).

fof(f15,conjecture,
    ! [X0,X1,X2] :
      ( ( subset(X1,X2)
        & subset(X0,X1) )
     => subset(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_xboole_1) ).

fof(f16,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( ( subset(X1,X2)
          & subset(X0,X1) )
       => subset(X0,X2) ),
    inference(negated_conjecture,[],[f15]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X1)
          | ~ in(X2,X0) ) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f29,plain,
    ? [X0,X1,X2] :
      ( ~ subset(X0,X2)
      & subset(X1,X2)
      & subset(X0,X1) ),
    inference(ennf_transformation,[],[f16]) ).

fof(f30,plain,
    ? [X0,X1,X2] :
      ( ~ subset(X0,X2)
      & subset(X1,X2)
      & subset(X0,X1) ),
    inference(flattening,[],[f29]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ in(X2,X1)
            & in(X2,X0) ) )
      & ( ! [X2] :
            ( in(X2,X1)
            | ~ in(X2,X0) )
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f27]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ in(X2,X1)
            & in(X2,X0) ) )
      & ( ! [X3] :
            ( in(X3,X1)
            | ~ in(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(rectify,[],[f40]) ).

fof(f42,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ in(X2,X1)
          & in(X2,X0) )
     => ( ~ in(sK1(X0,X1),X1)
        & in(sK1(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f43,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( ~ in(sK1(X0,X1),X1)
          & in(sK1(X0,X1),X0) ) )
      & ( ! [X3] :
            ( in(X3,X1)
            | ~ in(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f41,f42]) ).

fof(f54,plain,
    ( ? [X0,X1,X2] :
        ( ~ subset(X0,X2)
        & subset(X1,X2)
        & subset(X0,X1) )
   => ( ~ subset(sK5,sK7)
      & subset(sK6,sK7)
      & subset(sK5,sK6) ) ),
    introduced(choice_axiom,[]) ).

fof(f55,plain,
    ( ~ subset(sK5,sK7)
    & subset(sK6,sK7)
    & subset(sK5,sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5,sK6,sK7])],[f30,f54]) ).

fof(f64,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | ~ in(X3,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f65,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | in(sK1(X0,X1),X0) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f66,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ in(sK1(X0,X1),X1) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f81,plain,
    subset(sK5,sK6),
    inference(cnf_transformation,[],[f55]) ).

fof(f82,plain,
    subset(sK6,sK7),
    inference(cnf_transformation,[],[f55]) ).

fof(f83,plain,
    ~ subset(sK5,sK7),
    inference(cnf_transformation,[],[f55]) ).

cnf(c_53,plain,
    ( ~ in(sK1(X0,X1),X1)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f66]) ).

cnf(c_54,plain,
    ( in(sK1(X0,X1),X0)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f65]) ).

cnf(c_55,plain,
    ( ~ in(X0,X1)
    | ~ subset(X1,X2)
    | in(X0,X2) ),
    inference(cnf_transformation,[],[f64]) ).

cnf(c_70,negated_conjecture,
    ~ subset(sK5,sK7),
    inference(cnf_transformation,[],[f83]) ).

cnf(c_71,negated_conjecture,
    subset(sK6,sK7),
    inference(cnf_transformation,[],[f82]) ).

cnf(c_72,negated_conjecture,
    subset(sK5,sK6),
    inference(cnf_transformation,[],[f81]) ).

cnf(c_104,plain,
    ( ~ in(sK1(X0,X1),X1)
    | subset(X0,X1) ),
    inference(prop_impl_just,[status(thm)],[c_53]) ).

cnf(c_138,plain,
    ( in(sK1(X0,X1),X0)
    | subset(X0,X1) ),
    inference(prop_impl_just,[status(thm)],[c_54]) ).

cnf(c_447,plain,
    ( X0 != sK5
    | X1 != sK7
    | in(sK1(X0,X1),X0) ),
    inference(resolution_lifted,[status(thm)],[c_138,c_70]) ).

cnf(c_448,plain,
    in(sK1(sK5,sK7),sK5),
    inference(unflattening,[status(thm)],[c_447]) ).

cnf(c_452,plain,
    ( X0 != sK5
    | X1 != sK7
    | ~ in(sK1(X0,X1),X1) ),
    inference(resolution_lifted,[status(thm)],[c_104,c_70]) ).

cnf(c_453,plain,
    ~ in(sK1(sK5,sK7),sK7),
    inference(unflattening,[status(thm)],[c_452]) ).

cnf(c_1350,plain,
    ( ~ in(sK1(sK5,sK7),sK5)
    | ~ subset(sK5,X0)
    | in(sK1(sK5,sK7),X0) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_1687,plain,
    ( ~ in(sK1(sK5,sK7),sK5)
    | ~ subset(sK5,sK6)
    | in(sK1(sK5,sK7),sK6) ),
    inference(instantiation,[status(thm)],[c_1350]) ).

cnf(c_1961,plain,
    ( ~ in(sK1(sK5,sK7),sK6)
    | ~ subset(sK6,X0)
    | in(sK1(sK5,sK7),X0) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_4483,plain,
    ( ~ in(sK1(sK5,sK7),sK6)
    | ~ subset(sK6,sK7)
    | in(sK1(sK5,sK7),sK7) ),
    inference(instantiation,[status(thm)],[c_1961]) ).

cnf(c_4484,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_4483,c_1687,c_453,c_448,c_71,c_72]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU121+2 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n016.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 : Wed Aug 23 16:50:52 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 2.60/1.15  % SZS status Started for theBenchmark.p
% 2.60/1.15  % SZS status Theorem for theBenchmark.p
% 2.60/1.15  
% 2.60/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.60/1.15  
% 2.60/1.15  ------  iProver source info
% 2.60/1.15  
% 2.60/1.15  git: date: 2023-05-31 18:12:56 +0000
% 2.60/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.60/1.15  git: non_committed_changes: false
% 2.60/1.15  git: last_make_outside_of_git: false
% 2.60/1.15  
% 2.60/1.15  ------ Parsing...
% 2.60/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.60/1.15  
% 2.60/1.15  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 2.60/1.15  
% 2.60/1.15  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.60/1.15  
% 2.60/1.15  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.60/1.15  ------ Proving...
% 2.60/1.15  ------ Problem Properties 
% 2.60/1.15  
% 2.60/1.15  
% 2.60/1.15  clauses                                 32
% 2.60/1.15  conjectures                             3
% 2.60/1.15  EPR                                     15
% 2.60/1.15  Horn                                    25
% 2.60/1.15  unary                                   10
% 2.60/1.15  binary                                  15
% 2.60/1.15  lits                                    62
% 2.60/1.15  lits eq                                 10
% 2.60/1.15  fd_pure                                 0
% 2.60/1.15  fd_pseudo                               0
% 2.60/1.15  fd_cond                                 2
% 2.60/1.15  fd_pseudo_cond                          4
% 2.60/1.15  AC symbols                              0
% 2.60/1.15  
% 2.60/1.15  ------ Schedule dynamic 5 is on 
% 2.60/1.15  
% 2.60/1.15  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.60/1.15  
% 2.60/1.15  
% 2.60/1.15  ------ 
% 2.60/1.15  Current options:
% 2.60/1.15  ------ 
% 2.60/1.15  
% 2.60/1.15  
% 2.60/1.15  
% 2.60/1.15  
% 2.60/1.15  ------ Proving...
% 2.60/1.15  
% 2.60/1.15  
% 2.60/1.15  % SZS status Theorem for theBenchmark.p
% 2.60/1.15  
% 2.60/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.60/1.15  
% 2.60/1.15  
%------------------------------------------------------------------------------