TSTP Solution File: SEU120+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU120+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n002.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 17:03:48 EDT 2023

% Result   : Theorem 1.78s 1.17s
% Output   : CNFRefutation 1.78s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   33 (   7 unt;   0 def)
%            Number of atoms       :   83 (  19 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   93 (  43   ~;  24   |;  21   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   56 (   2 sgn;  35   !;  14   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f3,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f4,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_intersection2(X0,X1) = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

fof(f12,conjecture,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X2] : ~ in(X2,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

fof(f13,negated_conjecture,
    ~ ! [X0,X1] :
        ( ~ ( disjoint(X0,X1)
            & ? [X2] : in(X2,set_intersection2(X0,X1)) )
        & ~ ( ! [X2] : ~ in(X2,set_intersection2(X0,X1))
            & ~ disjoint(X0,X1) ) ),
    inference(negated_conjecture,[],[f12]) ).

fof(f15,plain,
    ~ ! [X0,X1] :
        ( ~ ( disjoint(X0,X1)
            & ? [X2] : in(X2,set_intersection2(X0,X1)) )
        & ~ ( ! [X3] : ~ in(X3,set_intersection2(X0,X1))
            & ~ disjoint(X0,X1) ) ),
    inference(rectify,[],[f13]) ).

fof(f18,plain,
    ? [X0,X1] :
      ( ( disjoint(X0,X1)
        & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      | ( ! [X3] : ~ in(X3,set_intersection2(X0,X1))
        & ~ disjoint(X0,X1) ) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f19,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f20,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f19]) ).

fof(f21,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK0(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK0(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f20,f21]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_intersection2(X0,X1) != empty_set )
      & ( set_intersection2(X0,X1) = empty_set
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f28,plain,
    ( ? [X0,X1] :
        ( ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
        | ( ! [X3] : ~ in(X3,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) )
   => ( ( disjoint(sK3,sK4)
        & ? [X2] : in(X2,set_intersection2(sK3,sK4)) )
      | ( ! [X3] : ~ in(X3,set_intersection2(sK3,sK4))
        & ~ disjoint(sK3,sK4) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f29,plain,
    ( ? [X2] : in(X2,set_intersection2(sK3,sK4))
   => in(sK5,set_intersection2(sK3,sK4)) ),
    introduced(choice_axiom,[]) ).

fof(f30,plain,
    ( ( disjoint(sK3,sK4)
      & in(sK5,set_intersection2(sK3,sK4)) )
    | ( ! [X3] : ~ in(X3,set_intersection2(sK3,sK4))
      & ~ disjoint(sK3,sK4) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5])],[f18,f29,f28]) ).

fof(f33,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f34,plain,
    ! [X0] :
      ( empty_set = X0
      | in(sK0(X0),X0) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = empty_set
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f23]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | set_intersection2(X0,X1) != empty_set ),
    inference(cnf_transformation,[],[f23]) ).

fof(f42,plain,
    ( in(sK5,set_intersection2(sK3,sK4))
    | ~ disjoint(sK3,sK4) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f45,plain,
    ! [X3] :
      ( disjoint(sK3,sK4)
      | ~ in(X3,set_intersection2(sK3,sK4)) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f46,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f33]) ).

cnf(c_51,plain,
    ( X0 = empty_set
    | in(sK0(X0),X0) ),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_52,plain,
    ~ in(X0,empty_set),
    inference(cnf_transformation,[],[f46]) ).

cnf(c_53,plain,
    ( set_intersection2(X0,X1) != empty_set
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f36]) ).

cnf(c_54,plain,
    ( ~ disjoint(X0,X1)
    | set_intersection2(X0,X1) = empty_set ),
    inference(cnf_transformation,[],[f35]) ).

cnf(c_60,negated_conjecture,
    ( ~ in(X0,set_intersection2(sK3,sK4))
    | disjoint(sK3,sK4) ),
    inference(cnf_transformation,[],[f45]) ).

cnf(c_62,negated_conjecture,
    ( ~ disjoint(sK3,sK4)
    | in(sK5,set_intersection2(sK3,sK4)) ),
    inference(cnf_transformation,[],[f42]) ).

cnf(c_536,plain,
    ( set_intersection2(sK3,sK4) = empty_set
    | disjoint(sK3,sK4) ),
    inference(superposition,[status(thm)],[c_51,c_60]) ).

cnf(c_568,plain,
    disjoint(sK3,sK4),
    inference(forward_subsumption_resolution,[status(thm)],[c_536,c_53]) ).

cnf(c_569,plain,
    in(sK5,set_intersection2(sK3,sK4)),
    inference(backward_subsumption_resolution,[status(thm)],[c_62,c_568]) ).

cnf(c_579,plain,
    set_intersection2(sK3,sK4) = empty_set,
    inference(superposition,[status(thm)],[c_568,c_54]) ).

cnf(c_583,plain,
    in(sK5,empty_set),
    inference(demodulation,[status(thm)],[c_569,c_579]) ).

cnf(c_584,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_583,c_52]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem  : SEU120+1 : TPTP v8.1.2. Released v3.3.0.
% 0.11/0.15  % Command  : run_iprover %s %d THM
% 0.11/0.35  % Computer : n002.cluster.edu
% 0.11/0.35  % Model    : x86_64 x86_64
% 0.11/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.35  % Memory   : 8042.1875MB
% 0.11/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.35  % CPULimit : 300
% 0.11/0.35  % WCLimit  : 300
% 0.11/0.35  % DateTime : Wed Aug 23 19:38:46 EDT 2023
% 0.11/0.35  % CPUTime  : 
% 0.16/0.46  Running first-order theorem proving
% 0.16/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.78/1.17  % SZS status Started for theBenchmark.p
% 1.78/1.17  % SZS status Theorem for theBenchmark.p
% 1.78/1.17  
% 1.78/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.78/1.17  
% 1.78/1.17  ------  iProver source info
% 1.78/1.17  
% 1.78/1.17  git: date: 2023-05-31 18:12:56 +0000
% 1.78/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.78/1.17  git: non_committed_changes: false
% 1.78/1.17  git: last_make_outside_of_git: false
% 1.78/1.17  
% 1.78/1.17  ------ Parsing...
% 1.78/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.78/1.17  
% 1.78/1.17  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.78/1.17  
% 1.78/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.78/1.17  
% 1.78/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.78/1.17  ------ Proving...
% 1.78/1.17  ------ Problem Properties 
% 1.78/1.17  
% 1.78/1.17  
% 1.78/1.17  clauses                                 14
% 1.78/1.17  conjectures                             3
% 1.78/1.17  EPR                                     6
% 1.78/1.17  Horn                                    13
% 1.78/1.17  unary                                   6
% 1.78/1.17  binary                                  8
% 1.78/1.17  lits                                    22
% 1.78/1.17  lits eq                                 5
% 1.78/1.17  fd_pure                                 0
% 1.78/1.17  fd_pseudo                               0
% 1.78/1.17  fd_cond                                 1
% 1.78/1.17  fd_pseudo_cond                          0
% 1.78/1.17  AC symbols                              0
% 1.78/1.17  
% 1.78/1.17  ------ Schedule dynamic 5 is on 
% 1.78/1.17  
% 1.78/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.78/1.17  
% 1.78/1.17  
% 1.78/1.17  ------ 
% 1.78/1.17  Current options:
% 1.78/1.17  ------ 
% 1.78/1.17  
% 1.78/1.17  
% 1.78/1.17  
% 1.78/1.17  
% 1.78/1.17  ------ Proving...
% 1.78/1.17  
% 1.78/1.17  
% 1.78/1.17  % SZS status Theorem for theBenchmark.p
% 1.78/1.17  
% 1.78/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.78/1.17  
% 1.78/1.17  
%------------------------------------------------------------------------------