TSTP Solution File: SET914+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET914+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n011.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 15:10:36 EDT 2023

% Result   : Theorem 2.57s 1.15s
% Output   : CNFRefutation 2.57s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   50 (  12 unt;   0 def)
%            Number of atoms       :  224 (  78 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  278 ( 104   ~; 104   |;  59   &)
%                                         (   6 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-3 aty)
%            Number of variables   :  121 (   2 sgn;  92   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f5,axiom,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

fof(f6,axiom,
    ! [X0,X1,X2] :
      ( set_intersection2(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( in(X3,X1)
            & in(X3,X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_intersection2(X0,X1) = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

fof(f12,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
     => disjoint(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

fof(f13,conjecture,
    ! [X0,X1,X2] :
      ~ ( in(X0,X2)
        & disjoint(unordered_pair(X0,X1),X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t55_zfmisc_1) ).

fof(f14,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ~ ( in(X0,X2)
          & disjoint(unordered_pair(X0,X1),X2) ),
    inference(negated_conjecture,[],[f13]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f18,plain,
    ? [X0,X1,X2] :
      ( in(X0,X2)
      & disjoint(unordered_pair(X0,X1),X2) ),
    inference(ennf_transformation,[],[f14]) ).

fof(f19,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f4]) ).

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,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(flattening,[],[f23]) ).

fof(f25,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X1 != X4
                & X0 != X4 ) )
            & ( X1 = X4
              | X0 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(rectify,[],[f24]) ).

fof(f26,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( X1 != X3
              & X0 != X3 )
            | ~ in(X3,X2) )
          & ( X1 = X3
            | X0 = X3
            | in(X3,X2) ) )
     => ( ( ( sK1(X0,X1,X2) != X1
            & sK1(X0,X1,X2) != X0 )
          | ~ in(sK1(X0,X1,X2),X2) )
        & ( sK1(X0,X1,X2) = X1
          | sK1(X0,X1,X2) = X0
          | in(sK1(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f27,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ( ( ( sK1(X0,X1,X2) != X1
              & sK1(X0,X1,X2) != X0 )
            | ~ in(sK1(X0,X1,X2),X2) )
          & ( sK1(X0,X1,X2) = X1
            | sK1(X0,X1,X2) = X0
            | in(sK1(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X1 != X4
                & X0 != X4 ) )
            & ( X1 = X4
              | X0 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f25,f26]) ).

fof(f28,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ~ in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | ~ in(X3,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f29,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ~ in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | ~ in(X3,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(flattening,[],[f28]) ).

fof(f30,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ~ in(X4,X1)
              | ~ in(X4,X0) )
            & ( ( in(X4,X1)
                & in(X4,X0) )
              | ~ in(X4,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(rectify,[],[f29]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ~ in(X3,X1)
            | ~ in(X3,X0)
            | ~ in(X3,X2) )
          & ( ( in(X3,X1)
              & in(X3,X0) )
            | in(X3,X2) ) )
     => ( ( ~ in(sK2(X0,X1,X2),X1)
          | ~ in(sK2(X0,X1,X2),X0)
          | ~ in(sK2(X0,X1,X2),X2) )
        & ( ( in(sK2(X0,X1,X2),X1)
            & in(sK2(X0,X1,X2),X0) )
          | in(sK2(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f32,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ( ( ~ in(sK2(X0,X1,X2),X1)
            | ~ in(sK2(X0,X1,X2),X0)
            | ~ in(sK2(X0,X1,X2),X2) )
          & ( ( in(sK2(X0,X1,X2),X1)
              & in(sK2(X0,X1,X2),X0) )
            | in(sK2(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ~ in(X4,X1)
              | ~ in(X4,X0) )
            & ( ( in(X4,X1)
                & in(X4,X0) )
              | ~ in(X4,X2) ) )
        | set_intersection2(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f30,f31]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_intersection2(X0,X1) != empty_set )
      & ( set_intersection2(X0,X1) = empty_set
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f38,plain,
    ( ? [X0,X1,X2] :
        ( in(X0,X2)
        & disjoint(unordered_pair(X0,X1),X2) )
   => ( in(sK5,sK7)
      & disjoint(unordered_pair(sK5,sK6),sK7) ) ),
    introduced(choice_axiom,[]) ).

fof(f39,plain,
    ( in(sK5,sK7)
    & disjoint(unordered_pair(sK5,sK6),sK7) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5,sK6,sK7])],[f18,f38]) ).

fof(f43,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f46,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | X0 != X4
      | unordered_pair(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f27]) ).

fof(f53,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | ~ in(X4,X1)
      | ~ in(X4,X0)
      | set_intersection2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f32]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = empty_set
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f63,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f17]) ).

fof(f64,plain,
    disjoint(unordered_pair(sK5,sK6),sK7),
    inference(cnf_transformation,[],[f39]) ).

fof(f65,plain,
    in(sK5,sK7),
    inference(cnf_transformation,[],[f39]) ).

fof(f66,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f43]) ).

fof(f69,plain,
    ! [X2,X1,X4] :
      ( in(X4,X2)
      | unordered_pair(X4,X1) != X2 ),
    inference(equality_resolution,[],[f46]) ).

fof(f70,plain,
    ! [X1,X4] : in(X4,unordered_pair(X4,X1)),
    inference(equality_resolution,[],[f69]) ).

fof(f72,plain,
    ! [X0,X1,X4] :
      ( in(X4,set_intersection2(X0,X1))
      | ~ in(X4,X1)
      | ~ in(X4,X0) ),
    inference(equality_resolution,[],[f53]) ).

cnf(c_53,plain,
    ~ in(X0,empty_set),
    inference(cnf_transformation,[],[f66]) ).

cnf(c_58,plain,
    in(X0,unordered_pair(X0,X1)),
    inference(cnf_transformation,[],[f70]) ).

cnf(c_63,plain,
    ( ~ in(X0,X1)
    | ~ in(X0,X2)
    | in(X0,set_intersection2(X2,X1)) ),
    inference(cnf_transformation,[],[f72]) ).

cnf(c_67,plain,
    ( ~ disjoint(X0,X1)
    | set_intersection2(X0,X1) = empty_set ),
    inference(cnf_transformation,[],[f57]) ).

cnf(c_72,plain,
    ( ~ disjoint(X0,X1)
    | disjoint(X1,X0) ),
    inference(cnf_transformation,[],[f63]) ).

cnf(c_73,negated_conjecture,
    in(sK5,sK7),
    inference(cnf_transformation,[],[f65]) ).

cnf(c_74,negated_conjecture,
    disjoint(unordered_pair(sK5,sK6),sK7),
    inference(cnf_transformation,[],[f64]) ).

cnf(c_803,plain,
    disjoint(sK7,unordered_pair(sK5,sK6)),
    inference(superposition,[status(thm)],[c_74,c_72]) ).

cnf(c_873,plain,
    set_intersection2(sK7,unordered_pair(sK5,sK6)) = empty_set,
    inference(superposition,[status(thm)],[c_803,c_67]) ).

cnf(c_1025,plain,
    ( ~ in(X0,unordered_pair(sK5,sK6))
    | ~ in(X0,sK7)
    | in(X0,empty_set) ),
    inference(superposition,[status(thm)],[c_873,c_63]) ).

cnf(c_1028,plain,
    ( ~ in(X0,unordered_pair(sK5,sK6))
    | ~ in(X0,sK7) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1025,c_53]) ).

cnf(c_1051,plain,
    ~ in(sK5,sK7),
    inference(superposition,[status(thm)],[c_58,c_1028]) ).

cnf(c_1056,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_1051,c_73]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET914+1 : TPTP v8.1.2. Released v3.2.0.
% 0.11/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n011.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Sat Aug 26 12:49:54 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.48  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 2.57/1.15  % SZS status Started for theBenchmark.p
% 2.57/1.15  % SZS status Theorem for theBenchmark.p
% 2.57/1.15  
% 2.57/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.57/1.15  
% 2.57/1.15  ------  iProver source info
% 2.57/1.15  
% 2.57/1.15  git: date: 2023-05-31 18:12:56 +0000
% 2.57/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.57/1.15  git: non_committed_changes: false
% 2.57/1.15  git: last_make_outside_of_git: false
% 2.57/1.15  
% 2.57/1.15  ------ Parsing...
% 2.57/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.57/1.15  
% 2.57/1.15  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 2.57/1.15  
% 2.57/1.15  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.57/1.15  
% 2.57/1.15  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.57/1.15  ------ Proving...
% 2.57/1.15  ------ Problem Properties 
% 2.57/1.15  
% 2.57/1.15  
% 2.57/1.15  clauses                                 26
% 2.57/1.15  conjectures                             2
% 2.57/1.15  EPR                                     7
% 2.57/1.15  Horn                                    21
% 2.57/1.15  unary                                   11
% 2.57/1.15  binary                                  7
% 2.57/1.15  lits                                    51
% 2.57/1.15  lits eq                                 18
% 2.57/1.15  fd_pure                                 0
% 2.57/1.15  fd_pseudo                               0
% 2.57/1.15  fd_cond                                 1
% 2.57/1.15  fd_pseudo_cond                          6
% 2.57/1.15  AC symbols                              0
% 2.57/1.15  
% 2.57/1.15  ------ Schedule dynamic 5 is on 
% 2.57/1.15  
% 2.57/1.15  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.57/1.15  
% 2.57/1.15  
% 2.57/1.15  ------ 
% 2.57/1.15  Current options:
% 2.57/1.15  ------ 
% 2.57/1.15  
% 2.57/1.15  
% 2.57/1.15  
% 2.57/1.15  
% 2.57/1.15  ------ Proving...
% 2.57/1.15  
% 2.57/1.15  
% 2.57/1.15  % SZS status Theorem for theBenchmark.p
% 2.57/1.15  
% 2.57/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.57/1.15  
% 2.57/1.16  
%------------------------------------------------------------------------------