TSTP Solution File: SET610+3 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET610+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n029.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 15:08:37 EDT 2023

% Result   : Theorem 0.86s 1.17s
% Output   : CNFRefutation 0.86s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   46 (   8 unt;   0 def)
%            Number of atoms       :  129 (  16 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  140 (  57   ~;  63   |;  13   &)
%                                         (   3 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   81 (   4 sgn;  52   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( member(X2,X0)
        <=> member(X2,X1) )
     => X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_equal) ).

fof(f2,axiom,
    ! [X0,X1,X2] :
      ( member(X2,union(X0,X1))
    <=> ( member(X2,X1)
        | member(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',union_defn) ).

fof(f3,axiom,
    ! [X0,X1,X2] :
      ( member(X2,difference(X0,X1))
    <=> ( ~ member(X2,X1)
        & member(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_defn) ).

fof(f9,conjecture,
    ! [X0,X1] : difference(X0,X1) = difference(union(X0,X1),X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th83) ).

fof(f10,negated_conjecture,
    ~ ! [X0,X1] : difference(X0,X1) = difference(union(X0,X1),X1),
    inference(negated_conjecture,[],[f9]) ).

fof(f11,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ? [X2] :
          ( member(X2,X0)
        <~> member(X2,X1) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f13,plain,
    ? [X0,X1] : difference(X0,X1) != difference(union(X0,X1),X1),
    inference(ennf_transformation,[],[f10]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ? [X2] :
          ( ( ~ member(X2,X1)
            | ~ member(X2,X0) )
          & ( member(X2,X1)
            | member(X2,X0) ) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ member(X2,X1)
            | ~ member(X2,X0) )
          & ( member(X2,X1)
            | member(X2,X0) ) )
     => ( ( ~ member(sK0(X0,X1),X1)
          | ~ member(sK0(X0,X1),X0) )
        & ( member(sK0(X0,X1),X1)
          | member(sK0(X0,X1),X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ( ( ~ member(sK0(X0,X1),X1)
          | ~ member(sK0(X0,X1),X0) )
        & ( member(sK0(X0,X1),X1)
          | member(sK0(X0,X1),X0) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f14,f15]) ).

fof(f17,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,union(X0,X1))
        | ( ~ member(X2,X1)
          & ~ member(X2,X0) ) )
      & ( member(X2,X1)
        | member(X2,X0)
        | ~ member(X2,union(X0,X1)) ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,union(X0,X1))
        | ( ~ member(X2,X1)
          & ~ member(X2,X0) ) )
      & ( member(X2,X1)
        | member(X2,X0)
        | ~ member(X2,union(X0,X1)) ) ),
    inference(flattening,[],[f17]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,difference(X0,X1))
        | member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( ~ member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,difference(X0,X1)) ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f20,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,difference(X0,X1))
        | member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( ~ member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,difference(X0,X1)) ) ),
    inference(flattening,[],[f19]) ).

fof(f31,plain,
    ( ? [X0,X1] : difference(X0,X1) != difference(union(X0,X1),X1)
   => difference(sK3,sK4) != difference(union(sK3,sK4),sK4) ),
    introduced(choice_axiom,[]) ).

fof(f32,plain,
    difference(sK3,sK4) != difference(union(sK3,sK4),sK4),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4])],[f13,f31]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( X0 = X1
      | member(sK0(X0,X1),X1)
      | member(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ member(sK0(X0,X1),X1)
      | ~ member(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f35,plain,
    ! [X2,X0,X1] :
      ( member(X2,X1)
      | member(X2,X0)
      | ~ member(X2,union(X0,X1)) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f36,plain,
    ! [X2,X0,X1] :
      ( member(X2,union(X0,X1))
      | ~ member(X2,X0) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f38,plain,
    ! [X2,X0,X1] :
      ( member(X2,X0)
      | ~ member(X2,difference(X0,X1)) ),
    inference(cnf_transformation,[],[f20]) ).

fof(f39,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,X1)
      | ~ member(X2,difference(X0,X1)) ),
    inference(cnf_transformation,[],[f20]) ).

fof(f40,plain,
    ! [X2,X0,X1] :
      ( member(X2,difference(X0,X1))
      | member(X2,X1)
      | ~ member(X2,X0) ),
    inference(cnf_transformation,[],[f20]) ).

fof(f53,plain,
    difference(sK3,sK4) != difference(union(sK3,sK4),sK4),
    inference(cnf_transformation,[],[f32]) ).

cnf(c_49,plain,
    ( ~ member(sK0(X0,X1),X0)
    | ~ member(sK0(X0,X1),X1)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_50,plain,
    ( X0 = X1
    | member(sK0(X0,X1),X0)
    | member(sK0(X0,X1),X1) ),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_52,plain,
    ( ~ member(X0,X1)
    | member(X0,union(X1,X2)) ),
    inference(cnf_transformation,[],[f36]) ).

cnf(c_53,plain,
    ( ~ member(X0,union(X1,X2))
    | member(X0,X1)
    | member(X0,X2) ),
    inference(cnf_transformation,[],[f35]) ).

cnf(c_54,plain,
    ( ~ member(X0,X1)
    | member(X0,difference(X1,X2))
    | member(X0,X2) ),
    inference(cnf_transformation,[],[f40]) ).

cnf(c_55,plain,
    ( ~ member(X0,difference(X1,X2))
    | ~ member(X0,X2) ),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_56,plain,
    ( ~ member(X0,difference(X1,X2))
    | member(X0,X1) ),
    inference(cnf_transformation,[],[f38]) ).

cnf(c_67,negated_conjecture,
    difference(union(sK3,sK4),sK4) != difference(sK3,sK4),
    inference(cnf_transformation,[],[f53]) ).

cnf(c_560,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(union(sK3,sK4),sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),union(sK3,sK4)) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_743,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(sK3,sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK3) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_825,plain,
    ( member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(union(sK3,sK4),sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(sK3,sK4)) ),
    inference(resolution,[status(thm)],[c_50,c_67]) ).

cnf(c_847,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK4)
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(sK3,sK4)) ),
    inference(resolution,[status(thm)],[c_825,c_55]) ).

cnf(c_896,plain,
    ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK4),
    inference(forward_subsumption_resolution,[status(thm)],[c_847,c_55]) ).

cnf(c_1314,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),union(sK3,sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(union(sK3,sK4),X0))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),X0) ),
    inference(instantiation,[status(thm)],[c_54]) ).

cnf(c_1319,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),union(sK3,sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(union(sK3,sK4),sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK4) ),
    inference(instantiation,[status(thm)],[c_1314]) ).

cnf(c_1321,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),union(sK3,sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK3)
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK4) ),
    inference(instantiation,[status(thm)],[c_53]) ).

cnf(c_1652,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(union(sK3,sK4),sK4))
    | ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(sK3,sK4)) ),
    inference(resolution,[status(thm)],[c_49,c_67]) ).

cnf(c_2622,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK3)
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(sK3,X0))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),X0) ),
    inference(instantiation,[status(thm)],[c_54]) ).

cnf(c_2623,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK3)
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),union(sK3,X0)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_2626,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK3)
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),union(sK3,sK4)) ),
    inference(instantiation,[status(thm)],[c_2623]) ).

cnf(c_2627,plain,
    ( ~ member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK3)
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),difference(sK3,sK4))
    | member(sK0(difference(union(sK3,sK4),sK4),difference(sK3,sK4)),sK4) ),
    inference(instantiation,[status(thm)],[c_2622]) ).

cnf(c_3089,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_2627,c_2626,c_1652,c_1321,c_1319,c_896,c_825,c_743,c_560]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET610+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n029.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 : Sat Aug 26 13:13:25 EDT 2023
% 0.13/0.34  % 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
% 0.86/1.17  % SZS status Started for theBenchmark.p
% 0.86/1.17  % SZS status Theorem for theBenchmark.p
% 0.86/1.17  
% 0.86/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.86/1.17  
% 0.86/1.17  ------  iProver source info
% 0.86/1.17  
% 0.86/1.17  git: date: 2023-05-31 18:12:56 +0000
% 0.86/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.86/1.17  git: non_committed_changes: false
% 0.86/1.17  git: last_make_outside_of_git: false
% 0.86/1.17  
% 0.86/1.17  ------ Parsing...
% 0.86/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.86/1.17  
% 0.86/1.17  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 0.86/1.17  
% 0.86/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.86/1.17  
% 0.86/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 0.86/1.17  ------ Proving...
% 0.86/1.17  ------ Problem Properties 
% 0.86/1.17  
% 0.86/1.17  
% 0.86/1.17  clauses                                 17
% 0.86/1.17  conjectures                             1
% 0.86/1.17  EPR                                     3
% 0.86/1.17  Horn                                    12
% 0.86/1.17  unary                                   3
% 0.86/1.17  binary                                  6
% 0.86/1.17  lits                                    39
% 0.86/1.17  lits eq                                 7
% 0.86/1.17  fd_pure                                 0
% 0.86/1.17  fd_pseudo                               0
% 0.86/1.17  fd_cond                                 0
% 0.86/1.17  fd_pseudo_cond                          5
% 0.86/1.17  AC symbols                              0
% 0.86/1.17  
% 0.86/1.17  ------ Input Options Time Limit: Unbounded
% 0.86/1.17  
% 0.86/1.17  
% 0.86/1.17  ------ 
% 0.86/1.17  Current options:
% 0.86/1.17  ------ 
% 0.86/1.17  
% 0.86/1.17  
% 0.86/1.17  
% 0.86/1.17  
% 0.86/1.17  ------ Proving...
% 0.86/1.17  
% 0.86/1.17  
% 0.86/1.17  % SZS status Theorem for theBenchmark.p
% 0.86/1.17  
% 0.86/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.86/1.17  
% 0.86/1.17  
%------------------------------------------------------------------------------