TSTP Solution File: SET994+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET994+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 : Fri May  3 03:02:12 EDT 2024

% Result   : Theorem 4.03s 1.17s
% Output   : CNFRefutation 4.03s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   22
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   92 (  36 unt;   0 def)
%            Number of atoms       :  266 (  98 equ)
%            Maximal formula atoms :   16 (   2 avg)
%            Number of connectives :  293 ( 119   ~; 111   |;  45   &)
%                                         (   0 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-2 aty)
%            Number of variables   :  116 (   4 sgn  68   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0] :
    ? [X1] : element(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

fof(f8,axiom,
    ( relation(empty_set)
    & empty(empty_set) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

fof(f9,axiom,
    ! [X0] :
      ( ( relation(X0)
        & ~ empty(X0) )
     => ~ empty(relation_dom(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

fof(f10,axiom,
    ! [X0] :
      ( empty(X0)
     => ( relation(relation_dom(X0))
        & empty(relation_dom(X0)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

fof(f20,axiom,
    ! [X0] :
    ? [X1] :
      ( ! [X2] :
          ( in(X2,X0)
         => apply(X1,X2) = n0 )
      & relation_dom(X1) = X0
      & function(X1)
      & relation(X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s3_funct_1__e4_14__funct_1) ).

fof(f21,axiom,
    ! [X0] :
    ? [X1] :
      ( ! [X2] :
          ( in(X2,X0)
         => apply(X1,X2) = n1 )
      & relation_dom(X1) = X0
      & function(X1)
      & relation(X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s3_funct_1__e7_14__funct_1) ).

fof(f22,axiom,
    empty(n0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',spc0_boole) ).

fof(f23,axiom,
    ~ empty(n1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',spc1_boole) ).

fof(f24,conjecture,
    ! [X0] :
      ( ! [X1] :
          ( ( function(X1)
            & relation(X1) )
         => ! [X2] :
              ( ( function(X2)
                & relation(X2) )
             => ( ( relation_dom(X2) = X0
                  & relation_dom(X1) = X0 )
               => X1 = X2 ) ) )
     => empty_set = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t16_funct_1) ).

fof(f25,negated_conjecture,
    ~ ! [X0] :
        ( ! [X1] :
            ( ( function(X1)
              & relation(X1) )
           => ! [X2] :
                ( ( function(X2)
                  & relation(X2) )
               => ( ( relation_dom(X2) = X0
                    & relation_dom(X1) = X0 )
                 => X1 = X2 ) ) )
       => empty_set = X0 ),
    inference(negated_conjecture,[],[f24]) ).

fof(f27,axiom,
    ! [X0,X1] :
      ( element(X0,X1)
     => ( in(X0,X1)
        | empty(X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

fof(f31,axiom,
    ! [X0] :
      ( empty(X0)
     => empty_set = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

fof(f41,plain,
    ! [X0] :
      ( ~ empty(relation_dom(X0))
      | ~ relation(X0)
      | empty(X0) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f42,plain,
    ! [X0] :
      ( ~ empty(relation_dom(X0))
      | ~ relation(X0)
      | empty(X0) ),
    inference(flattening,[],[f41]) ).

fof(f43,plain,
    ! [X0] :
      ( ( relation(relation_dom(X0))
        & empty(relation_dom(X0)) )
      | ~ empty(X0) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f45,plain,
    ! [X0] :
    ? [X1] :
      ( ! [X2] :
          ( apply(X1,X2) = n0
          | ~ in(X2,X0) )
      & relation_dom(X1) = X0
      & function(X1)
      & relation(X1) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f46,plain,
    ! [X0] :
    ? [X1] :
      ( ! [X2] :
          ( apply(X1,X2) = n1
          | ~ in(X2,X0) )
      & relation_dom(X1) = X0
      & function(X1)
      & relation(X1) ),
    inference(ennf_transformation,[],[f21]) ).

fof(f47,plain,
    ? [X0] :
      ( empty_set != X0
      & ! [X1] :
          ( ! [X2] :
              ( X1 = X2
              | relation_dom(X2) != X0
              | relation_dom(X1) != X0
              | ~ function(X2)
              | ~ relation(X2) )
          | ~ function(X1)
          | ~ relation(X1) ) ),
    inference(ennf_transformation,[],[f25]) ).

fof(f48,plain,
    ? [X0] :
      ( empty_set != X0
      & ! [X1] :
          ( ! [X2] :
              ( X1 = X2
              | relation_dom(X2) != X0
              | relation_dom(X1) != X0
              | ~ function(X2)
              | ~ relation(X2) )
          | ~ function(X1)
          | ~ relation(X1) ) ),
    inference(flattening,[],[f47]) ).

fof(f50,plain,
    ! [X0,X1] :
      ( in(X0,X1)
      | empty(X1)
      | ~ element(X0,X1) ),
    inference(ennf_transformation,[],[f27]) ).

fof(f51,plain,
    ! [X0,X1] :
      ( in(X0,X1)
      | empty(X1)
      | ~ element(X0,X1) ),
    inference(flattening,[],[f50]) ).

fof(f56,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ empty(X0) ),
    inference(ennf_transformation,[],[f31]) ).

fof(f59,plain,
    ! [X0] :
      ( ? [X1] : element(X1,X0)
     => element(sK0(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f60,plain,
    ! [X0] : element(sK0(X0),X0),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f4,f59]) ).

fof(f77,plain,
    ! [X0] :
      ( ? [X1] :
          ( ! [X2] :
              ( apply(X1,X2) = n0
              | ~ in(X2,X0) )
          & relation_dom(X1) = X0
          & function(X1)
          & relation(X1) )
     => ( ! [X2] :
            ( n0 = apply(sK9(X0),X2)
            | ~ in(X2,X0) )
        & relation_dom(sK9(X0)) = X0
        & function(sK9(X0))
        & relation(sK9(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f78,plain,
    ! [X0] :
      ( ! [X2] :
          ( n0 = apply(sK9(X0),X2)
          | ~ in(X2,X0) )
      & relation_dom(sK9(X0)) = X0
      & function(sK9(X0))
      & relation(sK9(X0)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK9])],[f45,f77]) ).

fof(f79,plain,
    ! [X0] :
      ( ? [X1] :
          ( ! [X2] :
              ( apply(X1,X2) = n1
              | ~ in(X2,X0) )
          & relation_dom(X1) = X0
          & function(X1)
          & relation(X1) )
     => ( ! [X2] :
            ( n1 = apply(sK10(X0),X2)
            | ~ in(X2,X0) )
        & relation_dom(sK10(X0)) = X0
        & function(sK10(X0))
        & relation(sK10(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f80,plain,
    ! [X0] :
      ( ! [X2] :
          ( n1 = apply(sK10(X0),X2)
          | ~ in(X2,X0) )
      & relation_dom(sK10(X0)) = X0
      & function(sK10(X0))
      & relation(sK10(X0)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK10])],[f46,f79]) ).

fof(f81,plain,
    ( ? [X0] :
        ( empty_set != X0
        & ! [X1] :
            ( ! [X2] :
                ( X1 = X2
                | relation_dom(X2) != X0
                | relation_dom(X1) != X0
                | ~ function(X2)
                | ~ relation(X2) )
            | ~ function(X1)
            | ~ relation(X1) ) )
   => ( empty_set != sK11
      & ! [X1] :
          ( ! [X2] :
              ( X1 = X2
              | relation_dom(X2) != sK11
              | relation_dom(X1) != sK11
              | ~ function(X2)
              | ~ relation(X2) )
          | ~ function(X1)
          | ~ relation(X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ( empty_set != sK11
    & ! [X1] :
        ( ! [X2] :
            ( X1 = X2
            | relation_dom(X2) != sK11
            | relation_dom(X1) != sK11
            | ~ function(X2)
            | ~ relation(X2) )
        | ~ function(X1)
        | ~ relation(X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK11])],[f48,f81]) ).

fof(f86,plain,
    ! [X0] : element(sK0(X0),X0),
    inference(cnf_transformation,[],[f60]) ).

fof(f91,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f8]) ).

fof(f93,plain,
    ! [X0] :
      ( ~ empty(relation_dom(X0))
      | ~ relation(X0)
      | empty(X0) ),
    inference(cnf_transformation,[],[f42]) ).

fof(f94,plain,
    ! [X0] :
      ( empty(relation_dom(X0))
      | ~ empty(X0) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f110,plain,
    ! [X0] : relation(sK9(X0)),
    inference(cnf_transformation,[],[f78]) ).

fof(f111,plain,
    ! [X0] : function(sK9(X0)),
    inference(cnf_transformation,[],[f78]) ).

fof(f112,plain,
    ! [X0] : relation_dom(sK9(X0)) = X0,
    inference(cnf_transformation,[],[f78]) ).

fof(f113,plain,
    ! [X2,X0] :
      ( n0 = apply(sK9(X0),X2)
      | ~ in(X2,X0) ),
    inference(cnf_transformation,[],[f78]) ).

fof(f114,plain,
    ! [X0] : relation(sK10(X0)),
    inference(cnf_transformation,[],[f80]) ).

fof(f115,plain,
    ! [X0] : function(sK10(X0)),
    inference(cnf_transformation,[],[f80]) ).

fof(f116,plain,
    ! [X0] : relation_dom(sK10(X0)) = X0,
    inference(cnf_transformation,[],[f80]) ).

fof(f117,plain,
    ! [X2,X0] :
      ( n1 = apply(sK10(X0),X2)
      | ~ in(X2,X0) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f118,plain,
    empty(n0),
    inference(cnf_transformation,[],[f22]) ).

fof(f119,plain,
    ~ empty(n1),
    inference(cnf_transformation,[],[f23]) ).

fof(f120,plain,
    ! [X2,X1] :
      ( X1 = X2
      | relation_dom(X2) != sK11
      | relation_dom(X1) != sK11
      | ~ function(X2)
      | ~ relation(X2)
      | ~ function(X1)
      | ~ relation(X1) ),
    inference(cnf_transformation,[],[f82]) ).

fof(f121,plain,
    empty_set != sK11,
    inference(cnf_transformation,[],[f82]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( in(X0,X1)
      | empty(X1)
      | ~ element(X0,X1) ),
    inference(cnf_transformation,[],[f51]) ).

fof(f127,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ empty(X0) ),
    inference(cnf_transformation,[],[f56]) ).

cnf(c_52,plain,
    element(sK0(X0),X0),
    inference(cnf_transformation,[],[f86]) ).

cnf(c_58,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f91]) ).

cnf(c_59,plain,
    ( ~ empty(relation_dom(X0))
    | ~ relation(X0)
    | empty(X0) ),
    inference(cnf_transformation,[],[f93]) ).

cnf(c_61,plain,
    ( ~ empty(X0)
    | empty(relation_dom(X0)) ),
    inference(cnf_transformation,[],[f94]) ).

cnf(c_76,plain,
    ( ~ in(X0,X1)
    | apply(sK9(X1),X0) = n0 ),
    inference(cnf_transformation,[],[f113]) ).

cnf(c_77,plain,
    relation_dom(sK9(X0)) = X0,
    inference(cnf_transformation,[],[f112]) ).

cnf(c_78,plain,
    function(sK9(X0)),
    inference(cnf_transformation,[],[f111]) ).

cnf(c_79,plain,
    relation(sK9(X0)),
    inference(cnf_transformation,[],[f110]) ).

cnf(c_80,plain,
    ( ~ in(X0,X1)
    | apply(sK10(X1),X0) = n1 ),
    inference(cnf_transformation,[],[f117]) ).

cnf(c_81,plain,
    relation_dom(sK10(X0)) = X0,
    inference(cnf_transformation,[],[f116]) ).

cnf(c_82,plain,
    function(sK10(X0)),
    inference(cnf_transformation,[],[f115]) ).

cnf(c_83,plain,
    relation(sK10(X0)),
    inference(cnf_transformation,[],[f114]) ).

cnf(c_84,plain,
    empty(n0),
    inference(cnf_transformation,[],[f118]) ).

cnf(c_85,plain,
    ~ empty(n1),
    inference(cnf_transformation,[],[f119]) ).

cnf(c_86,negated_conjecture,
    empty_set != sK11,
    inference(cnf_transformation,[],[f121]) ).

cnf(c_87,negated_conjecture,
    ( relation_dom(X0) != sK11
    | relation_dom(X1) != sK11
    | ~ function(X0)
    | ~ function(X1)
    | ~ relation(X0)
    | ~ relation(X1)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f120]) ).

cnf(c_89,plain,
    ( ~ element(X0,X1)
    | in(X0,X1)
    | empty(X1) ),
    inference(cnf_transformation,[],[f123]) ).

cnf(c_93,plain,
    ( ~ empty(X0)
    | X0 = empty_set ),
    inference(cnf_transformation,[],[f127]) ).

cnf(c_613,negated_conjecture,
    ( relation_dom(X0) != sK11
    | relation_dom(X1) != sK11
    | ~ function(X0)
    | ~ function(X1)
    | ~ relation(X0)
    | ~ relation(X1)
    | X0 = X1 ),
    inference(demodulation,[status(thm)],[c_87]) ).

cnf(c_614,negated_conjecture,
    empty_set != sK11,
    inference(demodulation,[status(thm)],[c_86]) ).

cnf(c_1084,plain,
    ( relation_dom(X0) != sK11
    | X1 != sK11
    | ~ function(sK10(X1))
    | ~ relation(sK10(X1))
    | ~ function(X0)
    | ~ relation(X0)
    | sK10(X1) = X0 ),
    inference(superposition,[status(thm)],[c_81,c_613]) ).

cnf(c_1089,plain,
    ( relation_dom(X0) != sK11
    | X1 != sK11
    | ~ function(X0)
    | ~ relation(X0)
    | sK10(X1) = X0 ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1084,c_83,c_82]) ).

cnf(c_1115,plain,
    ( X0 != sK11
    | X1 != sK11
    | ~ function(sK9(X0))
    | ~ relation(sK9(X0))
    | sK9(X0) = sK10(X1) ),
    inference(superposition,[status(thm)],[c_77,c_1089]) ).

cnf(c_1121,plain,
    ( X0 != sK11
    | X1 != sK11
    | sK9(X0) = sK10(X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1115,c_79,c_78]) ).

cnf(c_1140,plain,
    ( X0 != sK11
    | sK10(X0) = sK9(sK11) ),
    inference(equality_resolution,[status(thm)],[c_1121]) ).

cnf(c_1152,plain,
    sK9(sK11) = sK10(sK11),
    inference(equality_resolution,[status(thm)],[c_1140]) ).

cnf(c_1249,plain,
    ( ~ empty(X0)
    | relation_dom(X0) = empty_set ),
    inference(superposition,[status(thm)],[c_61,c_93]) ).

cnf(c_1253,plain,
    empty_set = n0,
    inference(superposition,[status(thm)],[c_84,c_93]) ).

cnf(c_1266,plain,
    ( ~ in(X0,X1)
    | apply(sK9(X1),X0) = empty_set ),
    inference(demodulation,[status(thm)],[c_76,c_1253]) ).

cnf(c_1312,plain,
    ( ~ relation(sK10(X0))
    | ~ empty(X0)
    | empty(sK10(X0)) ),
    inference(superposition,[status(thm)],[c_81,c_59]) ).

cnf(c_1314,plain,
    ( ~ empty(X0)
    | empty(sK10(X0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1312,c_83]) ).

cnf(c_1326,plain,
    ( ~ empty(sK11)
    | empty(sK9(sK11)) ),
    inference(superposition,[status(thm)],[c_1152,c_1314]) ).

cnf(c_1350,plain,
    ( in(sK0(X0),X0)
    | empty(X0) ),
    inference(superposition,[status(thm)],[c_52,c_89]) ).

cnf(c_1417,plain,
    ( ~ empty(sK11)
    | relation_dom(sK9(sK11)) = empty_set ),
    inference(superposition,[status(thm)],[c_1326,c_1249]) ).

cnf(c_1439,plain,
    ( ~ empty(sK11)
    | empty_set = sK11 ),
    inference(demodulation,[status(thm)],[c_1417,c_77]) ).

cnf(c_1440,plain,
    ~ empty(sK11),
    inference(forward_subsumption_resolution,[status(thm)],[c_1439,c_614]) ).

cnf(c_1464,plain,
    ( apply(sK10(X0),sK0(X0)) = n1
    | empty(X0) ),
    inference(superposition,[status(thm)],[c_1350,c_80]) ).

cnf(c_1465,plain,
    ( apply(sK9(X0),sK0(X0)) = empty_set
    | empty(X0) ),
    inference(superposition,[status(thm)],[c_1350,c_1266]) ).

cnf(c_1712,plain,
    apply(sK10(sK11),sK0(sK11)) = n1,
    inference(superposition,[status(thm)],[c_1464,c_1440]) ).

cnf(c_1713,plain,
    apply(sK9(sK11),sK0(sK11)) = n1,
    inference(light_normalisation,[status(thm)],[c_1712,c_1152]) ).

cnf(c_2163,plain,
    apply(sK9(sK11),sK0(sK11)) = empty_set,
    inference(superposition,[status(thm)],[c_1465,c_1440]) ).

cnf(c_2221,plain,
    empty_set = n1,
    inference(demodulation,[status(thm)],[c_1713,c_2163]) ).

cnf(c_2230,plain,
    ~ empty(empty_set),
    inference(demodulation,[status(thm)],[c_85,c_2221]) ).

cnf(c_2231,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_2230,c_58]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET994+1 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n011.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Thu May  2 20:22:48 EDT 2024
% 0.12/0.35  % CPUTime  : 
% 0.21/0.47  Running first-order theorem proving
% 0.21/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 4.03/1.17  % SZS status Started for theBenchmark.p
% 4.03/1.17  % SZS status Theorem for theBenchmark.p
% 4.03/1.17  
% 4.03/1.17  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 4.03/1.17  
% 4.03/1.17  ------  iProver source info
% 4.03/1.17  
% 4.03/1.17  git: date: 2024-05-02 19:28:25 +0000
% 4.03/1.17  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 4.03/1.17  git: non_committed_changes: false
% 4.03/1.17  
% 4.03/1.17  ------ Parsing...
% 4.03/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 4.03/1.17  
% 4.03/1.17  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 4.03/1.17  
% 4.03/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 4.03/1.17  
% 4.03/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 4.03/1.17  ------ Proving...
% 4.03/1.17  ------ Problem Properties 
% 4.03/1.17  
% 4.03/1.17  
% 4.03/1.17  clauses                                 43
% 4.03/1.17  conjectures                             2
% 4.03/1.17  EPR                                     22
% 4.03/1.17  Horn                                    41
% 4.03/1.17  unary                                   25
% 4.03/1.17  binary                                  12
% 4.03/1.17  lits                                    71
% 4.03/1.17  lits eq                                 10
% 4.03/1.17  fd_pure                                 0
% 4.03/1.17  fd_pseudo                               0
% 4.03/1.17  fd_cond                                 1
% 4.03/1.17  fd_pseudo_cond                          2
% 4.03/1.17  AC symbols                              0
% 4.03/1.17  
% 4.03/1.17  ------ Schedule dynamic 5 is on 
% 4.03/1.17  
% 4.03/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 4.03/1.17  
% 4.03/1.17  
% 4.03/1.17  ------ 
% 4.03/1.17  Current options:
% 4.03/1.17  ------ 
% 4.03/1.17  
% 4.03/1.17  
% 4.03/1.17  
% 4.03/1.17  
% 4.03/1.17  ------ Proving...
% 4.03/1.17  
% 4.03/1.17  
% 4.03/1.17  % SZS status Theorem for theBenchmark.p
% 4.03/1.17  
% 4.03/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 4.03/1.17  
% 4.03/1.18  
%------------------------------------------------------------------------------