TSTP Solution File: SET945+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET945+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n007.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 15:10:46 EDT 2023

% Result   : Theorem 0.49s 1.21s
% Output   : CNFRefutation 0.49s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   56 (   3 unt;   0 def)
%            Number of atoms       :  247 (  21 equ)
%            Maximal formula atoms :   14 (   4 avg)
%            Number of connectives :  315 ( 124   ~; 116   |;  61   &)
%                                         (   4 <=>;  10  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   2 con; 0-3 aty)
%            Number of variables   :  154 (   3 sgn; 110   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f3,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(f4,axiom,
    ! [X0,X1] :
      ( union(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> ? [X3] :
              ( in(X3,X0)
              & in(X2,X3) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

fof(f9,axiom,
    ! [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(f10,conjecture,
    ! [X0,X1] :
      ( ! [X2] :
          ( in(X2,X0)
         => disjoint(X2,X1) )
     => disjoint(union(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t98_zfmisc_1) ).

fof(f11,negated_conjecture,
    ~ ! [X0,X1] :
        ( ! [X2] :
            ( in(X2,X0)
           => disjoint(X2,X1) )
       => disjoint(union(X0),X1) ),
    inference(negated_conjecture,[],[f10]) ).

fof(f13,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,[],[f9]) ).

fof(f16,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,[],[f13]) ).

fof(f17,plain,
    ? [X0,X1] :
      ( ~ disjoint(union(X0),X1)
      & ! [X2] :
          ( disjoint(X2,X1)
          | ~ in(X2,X0) ) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f18,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,[],[f3]) ).

fof(f19,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,[],[f18]) ).

fof(f20,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,[],[f19]) ).

fof(f21,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ~ in(X3,X1)
            | ~ in(X3,X0)
            | ~ in(X3,X2) )
          & ( ( in(X3,X1)
              & in(X3,X0) )
            | in(X3,X2) ) )
     => ( ( ~ in(sK0(X0,X1,X2),X1)
          | ~ in(sK0(X0,X1,X2),X0)
          | ~ in(sK0(X0,X1,X2),X2) )
        & ( ( in(sK0(X0,X1,X2),X1)
            & in(sK0(X0,X1,X2),X0) )
          | in(sK0(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0,X1,X2] :
      ( ( set_intersection2(X0,X1) = X2
        | ( ( ~ in(sK0(X0,X1,X2),X1)
            | ~ in(sK0(X0,X1,X2),X0)
            | ~ in(sK0(X0,X1,X2),X2) )
          & ( ( in(sK0(X0,X1,X2),X1)
              & in(sK0(X0,X1,X2),X0) )
            | in(sK0(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,[sK0])],[f20,f21]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ? [X2] :
            ( ( ! [X3] :
                  ( ~ in(X3,X0)
                  | ~ in(X2,X3) )
              | ~ in(X2,X1) )
            & ( ? [X3] :
                  ( in(X3,X0)
                  & in(X2,X3) )
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | ! [X3] :
                  ( ~ in(X3,X0)
                  | ~ in(X2,X3) ) )
            & ( ? [X3] :
                  ( in(X3,X0)
                  & in(X2,X3) )
              | ~ in(X2,X1) ) )
        | union(X0) != X1 ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ? [X2] :
            ( ( ! [X3] :
                  ( ~ in(X3,X0)
                  | ~ in(X2,X3) )
              | ~ in(X2,X1) )
            & ( ? [X4] :
                  ( in(X4,X0)
                  & in(X2,X4) )
              | in(X2,X1) ) ) )
      & ( ! [X5] :
            ( ( in(X5,X1)
              | ! [X6] :
                  ( ~ in(X6,X0)
                  | ~ in(X5,X6) ) )
            & ( ? [X7] :
                  ( in(X7,X0)
                  & in(X5,X7) )
              | ~ in(X5,X1) ) )
        | union(X0) != X1 ) ),
    inference(rectify,[],[f23]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ! [X3] :
                ( ~ in(X3,X0)
                | ~ in(X2,X3) )
            | ~ in(X2,X1) )
          & ( ? [X4] :
                ( in(X4,X0)
                & in(X2,X4) )
            | in(X2,X1) ) )
     => ( ( ! [X3] :
              ( ~ in(X3,X0)
              | ~ in(sK1(X0,X1),X3) )
          | ~ in(sK1(X0,X1),X1) )
        & ( ? [X4] :
              ( in(X4,X0)
              & in(sK1(X0,X1),X4) )
          | in(sK1(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( ? [X4] :
          ( in(X4,X0)
          & in(sK1(X0,X1),X4) )
     => ( in(sK2(X0,X1),X0)
        & in(sK1(X0,X1),sK2(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f27,plain,
    ! [X0,X5] :
      ( ? [X7] :
          ( in(X7,X0)
          & in(X5,X7) )
     => ( in(sK3(X0,X5),X0)
        & in(X5,sK3(X0,X5)) ) ),
    introduced(choice_axiom,[]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ( ( ! [X3] :
                ( ~ in(X3,X0)
                | ~ in(sK1(X0,X1),X3) )
            | ~ in(sK1(X0,X1),X1) )
          & ( ( in(sK2(X0,X1),X0)
              & in(sK1(X0,X1),sK2(X0,X1)) )
            | in(sK1(X0,X1),X1) ) ) )
      & ( ! [X5] :
            ( ( in(X5,X1)
              | ! [X6] :
                  ( ~ in(X6,X0)
                  | ~ in(X5,X6) ) )
            & ( ( in(sK3(X0,X5),X0)
                & in(X5,sK3(X0,X5)) )
              | ~ in(X5,X1) ) )
        | union(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3])],[f24,f27,f26,f25]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ? [X3] : in(X3,set_intersection2(X0,X1))
     => in(sK6(X0,X1),set_intersection2(X0,X1)) ),
    introduced(choice_axiom,[]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( in(sK6(X0,X1),set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f16,f33]) ).

fof(f35,plain,
    ( ? [X0,X1] :
        ( ~ disjoint(union(X0),X1)
        & ! [X2] :
            ( disjoint(X2,X1)
            | ~ in(X2,X0) ) )
   => ( ~ disjoint(union(sK7),sK8)
      & ! [X2] :
          ( disjoint(X2,sK8)
          | ~ in(X2,sK7) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f36,plain,
    ( ~ disjoint(union(sK7),sK8)
    & ! [X2] :
        ( disjoint(X2,sK8)
        | ~ in(X2,sK7) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7,sK8])],[f17,f35]) ).

fof(f39,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X0)
      | ~ in(X4,X2)
      | set_intersection2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f40,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X1)
      | ~ in(X4,X2)
      | set_intersection2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f41,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | ~ in(X4,X1)
      | ~ in(X4,X0)
      | set_intersection2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f45,plain,
    ! [X0,X1,X5] :
      ( in(X5,sK3(X0,X5))
      | ~ in(X5,X1)
      | union(X0) != X1 ),
    inference(cnf_transformation,[],[f28]) ).

fof(f46,plain,
    ! [X0,X1,X5] :
      ( in(sK3(X0,X5),X0)
      | ~ in(X5,X1)
      | union(X0) != X1 ),
    inference(cnf_transformation,[],[f28]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( in(sK6(X0,X1),set_intersection2(X0,X1))
      | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f34]) ).

fof(f56,plain,
    ! [X2,X0,X1] :
      ( ~ disjoint(X0,X1)
      | ~ in(X2,set_intersection2(X0,X1)) ),
    inference(cnf_transformation,[],[f34]) ).

fof(f57,plain,
    ! [X2] :
      ( disjoint(X2,sK8)
      | ~ in(X2,sK7) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f58,plain,
    ~ disjoint(union(sK7),sK8),
    inference(cnf_transformation,[],[f36]) ).

fof(f59,plain,
    ! [X0,X1,X4] :
      ( in(X4,set_intersection2(X0,X1))
      | ~ in(X4,X1)
      | ~ in(X4,X0) ),
    inference(equality_resolution,[],[f41]) ).

fof(f60,plain,
    ! [X0,X1,X4] :
      ( in(X4,X1)
      | ~ in(X4,set_intersection2(X0,X1)) ),
    inference(equality_resolution,[],[f40]) ).

fof(f61,plain,
    ! [X0,X1,X4] :
      ( in(X4,X0)
      | ~ in(X4,set_intersection2(X0,X1)) ),
    inference(equality_resolution,[],[f39]) ).

fof(f63,plain,
    ! [X0,X5] :
      ( in(sK3(X0,X5),X0)
      | ~ in(X5,union(X0)) ),
    inference(equality_resolution,[],[f46]) ).

fof(f64,plain,
    ! [X0,X5] :
      ( in(X5,sK3(X0,X5))
      | ~ in(X5,union(X0)) ),
    inference(equality_resolution,[],[f45]) ).

cnf(c_54,plain,
    ( ~ in(X0,X1)
    | ~ in(X0,X2)
    | in(X0,set_intersection2(X2,X1)) ),
    inference(cnf_transformation,[],[f59]) ).

cnf(c_55,plain,
    ( ~ in(X0,set_intersection2(X1,X2))
    | in(X0,X2) ),
    inference(cnf_transformation,[],[f60]) ).

cnf(c_56,plain,
    ( ~ in(X0,set_intersection2(X1,X2))
    | in(X0,X1) ),
    inference(cnf_transformation,[],[f61]) ).

cnf(c_61,plain,
    ( ~ in(X0,union(X1))
    | in(sK3(X1,X0),X1) ),
    inference(cnf_transformation,[],[f63]) ).

cnf(c_62,plain,
    ( ~ in(X0,union(X1))
    | in(X0,sK3(X1,X0)) ),
    inference(cnf_transformation,[],[f64]) ).

cnf(c_67,plain,
    ( ~ in(X0,set_intersection2(X1,X2))
    | ~ disjoint(X1,X2) ),
    inference(cnf_transformation,[],[f56]) ).

cnf(c_68,plain,
    ( in(sK6(X0,X1),set_intersection2(X0,X1))
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f55]) ).

cnf(c_69,negated_conjecture,
    ~ disjoint(union(sK7),sK8),
    inference(cnf_transformation,[],[f58]) ).

cnf(c_70,negated_conjecture,
    ( ~ in(X0,sK7)
    | disjoint(X0,sK8) ),
    inference(cnf_transformation,[],[f57]) ).

cnf(c_927,plain,
    ( in(sK6(union(sK7),sK8),set_intersection2(union(sK7),sK8))
    | disjoint(union(sK7),sK8) ),
    inference(instantiation,[status(thm)],[c_68]) ).

cnf(c_938,plain,
    ( ~ in(sK6(union(sK7),sK8),set_intersection2(union(sK7),sK8))
    | in(sK6(union(sK7),sK8),union(sK7)) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_939,plain,
    ( ~ in(sK6(union(sK7),sK8),set_intersection2(union(sK7),sK8))
    | in(sK6(union(sK7),sK8),sK8) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_1152,plain,
    ( ~ in(sK6(union(sK7),sK8),union(sK7))
    | in(sK6(union(sK7),sK8),sK3(sK7,sK6(union(sK7),sK8))) ),
    inference(instantiation,[status(thm)],[c_62]) ).

cnf(c_1153,plain,
    ( ~ in(sK6(union(sK7),sK8),union(sK7))
    | in(sK3(sK7,sK6(union(sK7),sK8)),sK7) ),
    inference(instantiation,[status(thm)],[c_61]) ).

cnf(c_1240,plain,
    ( ~ in(sK6(union(sK7),sK8),X0)
    | ~ in(sK6(union(sK7),sK8),sK8)
    | in(sK6(union(sK7),sK8),set_intersection2(X0,sK8)) ),
    inference(instantiation,[status(thm)],[c_54]) ).

cnf(c_2813,plain,
    ( ~ in(sK3(sK7,sK6(union(sK7),sK8)),sK7)
    | disjoint(sK3(sK7,sK6(union(sK7),sK8)),sK8) ),
    inference(instantiation,[status(thm)],[c_70]) ).

cnf(c_3216,plain,
    ( ~ in(sK6(union(sK7),sK8),sK3(sK7,sK6(union(sK7),sK8)))
    | ~ in(sK6(union(sK7),sK8),sK8)
    | in(sK6(union(sK7),sK8),set_intersection2(sK3(sK7,sK6(union(sK7),sK8)),sK8)) ),
    inference(instantiation,[status(thm)],[c_1240]) ).

cnf(c_13627,plain,
    ( ~ in(sK6(union(sK7),sK8),set_intersection2(sK3(sK7,sK6(union(sK7),sK8)),sK8))
    | ~ disjoint(sK3(sK7,sK6(union(sK7),sK8)),sK8) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_13630,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_13627,c_3216,c_2813,c_1152,c_1153,c_938,c_939,c_927,c_69]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET945+1 : TPTP v8.1.2. Released v3.2.0.
% 0.12/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.34  % Computer : n007.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Sat Aug 26 09:57:56 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.20/0.48  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
% 0.49/1.21  % SZS status Started for theBenchmark.p
% 0.49/1.21  % SZS status Theorem for theBenchmark.p
% 0.49/1.21  
% 0.49/1.21  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.49/1.21  
% 0.49/1.21  ------  iProver source info
% 0.49/1.21  
% 0.49/1.21  git: date: 2023-05-31 18:12:56 +0000
% 0.49/1.21  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.49/1.21  git: non_committed_changes: false
% 0.49/1.21  git: last_make_outside_of_git: false
% 0.49/1.21  
% 0.49/1.21  ------ Parsing...
% 0.49/1.21  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.49/1.21  
% 0.49/1.21  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 0.49/1.21  
% 0.49/1.21  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.49/1.21  
% 0.49/1.21  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 0.49/1.21  ------ Proving...
% 0.49/1.21  ------ Problem Properties 
% 0.49/1.21  
% 0.49/1.21  
% 0.49/1.21  clauses                                 21
% 0.49/1.21  conjectures                             2
% 0.49/1.21  EPR                                     4
% 0.49/1.21  Horn                                    16
% 0.49/1.21  unary                                   4
% 0.49/1.21  binary                                  9
% 0.49/1.21  lits                                    48
% 0.49/1.21  lits eq                                 9
% 0.49/1.21  fd_pure                                 0
% 0.49/1.21  fd_pseudo                               0
% 0.49/1.21  fd_cond                                 0
% 0.49/1.21  fd_pseudo_cond                          6
% 0.49/1.21  AC symbols                              0
% 0.49/1.21  
% 0.49/1.21  ------ Schedule dynamic 5 is on 
% 0.49/1.21  
% 0.49/1.21  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.49/1.21  
% 0.49/1.21  
% 0.49/1.21  ------ 
% 0.49/1.21  Current options:
% 0.49/1.21  ------ 
% 0.49/1.21  
% 0.49/1.21  
% 0.49/1.21  
% 0.49/1.21  
% 0.49/1.21  ------ Proving...
% 0.49/1.21  
% 0.49/1.21  
% 0.49/1.21  % SZS status Theorem for theBenchmark.p
% 0.49/1.21  
% 0.49/1.21  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.49/1.21  
% 0.49/1.21  
%------------------------------------------------------------------------------