TSTP Solution File: SEU121+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU121+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n026.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 1.20s 1.18s
% Output   : CNFRefutation 1.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   30 (   8 unt;   0 def)
%            Number of atoms       :   83 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   84 (  31   ~;  26   |;  20   &)
%                                         (   2 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   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(f2,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

fof(f8,conjecture,
    ! [X0,X1,X2] :
      ( ( subset(X1,X2)
        & subset(X0,X1) )
     => subset(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).

fof(f9,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( ( subset(X1,X2)
          & subset(X0,X1) )
       => subset(X0,X2) ),
    inference(negated_conjecture,[],[f8]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X1)
          | ~ in(X2,X0) ) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f16,plain,
    ? [X0,X1,X2] :
      ( ~ subset(X0,X2)
      & subset(X1,X2)
      & subset(X0,X1) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f17,plain,
    ? [X0,X1,X2] :
      ( ~ subset(X0,X2)
      & subset(X1,X2)
      & subset(X0,X1) ),
    inference(flattening,[],[f16]) ).

fof(f21,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,[],[f15]) ).

fof(f22,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,[],[f21]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ in(X2,X1)
          & in(X2,X0) )
     => ( ~ in(sK0(X0,X1),X1)
        & in(sK0(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( ~ in(sK0(X0,X1),X1)
          & in(sK0(X0,X1),X0) ) )
      & ( ! [X3] :
            ( in(X3,X1)
            | ~ in(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f22,f23]) ).

fof(f29,plain,
    ( ? [X0,X1,X2] :
        ( ~ subset(X0,X2)
        & subset(X1,X2)
        & subset(X0,X1) )
   => ( ~ subset(sK3,sK5)
      & subset(sK4,sK5)
      & subset(sK3,sK4) ) ),
    introduced(choice_axiom,[]) ).

fof(f30,plain,
    ( ~ subset(sK3,sK5)
    & subset(sK4,sK5)
    & subset(sK3,sK4) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5])],[f17,f29]) ).

fof(f32,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | ~ in(X3,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | in(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ in(sK0(X0,X1),X1) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f39,plain,
    subset(sK3,sK4),
    inference(cnf_transformation,[],[f30]) ).

fof(f40,plain,
    subset(sK4,sK5),
    inference(cnf_transformation,[],[f30]) ).

fof(f41,plain,
    ~ subset(sK3,sK5),
    inference(cnf_transformation,[],[f30]) ).

cnf(c_50,plain,
    ( ~ in(sK0(X0,X1),X1)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_51,plain,
    ( in(sK0(X0,X1),X0)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_52,plain,
    ( ~ in(X0,X1)
    | ~ subset(X1,X2)
    | in(X0,X2) ),
    inference(cnf_transformation,[],[f32]) ).

cnf(c_57,negated_conjecture,
    ~ subset(sK3,sK5),
    inference(cnf_transformation,[],[f41]) ).

cnf(c_58,negated_conjecture,
    subset(sK4,sK5),
    inference(cnf_transformation,[],[f40]) ).

cnf(c_59,negated_conjecture,
    subset(sK3,sK4),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_445,plain,
    ( ~ subset(X0,X1)
    | in(sK0(X0,X2),X1)
    | subset(X0,X2) ),
    inference(superposition,[status(thm)],[c_51,c_52]) ).

cnf(c_455,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X2)
    | in(sK0(X0,X3),X2)
    | subset(X0,X3) ),
    inference(superposition,[status(thm)],[c_445,c_52]) ).

cnf(c_542,plain,
    ( ~ subset(X0,sK4)
    | in(sK0(X0,X1),sK5)
    | subset(X0,X1) ),
    inference(superposition,[status(thm)],[c_58,c_455]) ).

cnf(c_568,plain,
    ( ~ subset(X0,sK4)
    | subset(X0,sK5) ),
    inference(superposition,[status(thm)],[c_542,c_50]) ).

cnf(c_590,plain,
    subset(sK3,sK5),
    inference(superposition,[status(thm)],[c_59,c_568]) ).

cnf(c_592,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_590,c_57]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SEU121+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.12  % Command  : run_iprover %s %d THM
% 0.16/0.34  % Computer : n026.cluster.edu
% 0.16/0.34  % Model    : x86_64 x86_64
% 0.16/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34  % Memory   : 8042.1875MB
% 0.16/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34  % CPULimit : 300
% 0.16/0.34  % WCLimit  : 300
% 0.16/0.34  % DateTime : Wed Aug 23 22:04:02 EDT 2023
% 0.16/0.34  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.20/1.18  % SZS status Started for theBenchmark.p
% 1.20/1.18  % SZS status Theorem for theBenchmark.p
% 1.20/1.18  
% 1.20/1.18  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.20/1.18  
% 1.20/1.18  ------  iProver source info
% 1.20/1.18  
% 1.20/1.18  git: date: 2023-05-31 18:12:56 +0000
% 1.20/1.18  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.20/1.18  git: non_committed_changes: false
% 1.20/1.18  git: last_make_outside_of_git: false
% 1.20/1.18  
% 1.20/1.18  ------ Parsing...
% 1.20/1.18  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.20/1.18  
% 1.20/1.18  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.20/1.18  
% 1.20/1.18  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.20/1.18  
% 1.20/1.18  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.20/1.18  ------ Proving...
% 1.20/1.18  ------ Problem Properties 
% 1.20/1.18  
% 1.20/1.18  
% 1.20/1.18  clauses                                 14
% 1.20/1.18  conjectures                             3
% 1.20/1.18  EPR                                     12
% 1.20/1.18  Horn                                    13
% 1.20/1.18  unary                                   7
% 1.20/1.18  binary                                  5
% 1.20/1.18  lits                                    23
% 1.20/1.18  lits eq                                 2
% 1.20/1.18  fd_pure                                 0
% 1.20/1.18  fd_pseudo                               0
% 1.20/1.18  fd_cond                                 1
% 1.20/1.18  fd_pseudo_cond                          1
% 1.20/1.18  AC symbols                              0
% 1.20/1.18  
% 1.20/1.18  ------ Schedule dynamic 5 is on 
% 1.20/1.18  
% 1.20/1.18  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.20/1.18  
% 1.20/1.18  
% 1.20/1.18  ------ 
% 1.20/1.18  Current options:
% 1.20/1.18  ------ 
% 1.20/1.18  
% 1.20/1.18  
% 1.20/1.18  
% 1.20/1.18  
% 1.20/1.18  ------ Proving...
% 1.20/1.18  
% 1.20/1.18  
% 1.20/1.18  % SZS status Theorem for theBenchmark.p
% 1.20/1.18  
% 1.20/1.18  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.20/1.18  
% 1.20/1.18  
%------------------------------------------------------------------------------