TSTP Solution File: SET606+3 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET606+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n017.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 03:00:56 EDT 2024

% Result   : Theorem 4.13s 1.24s
% Output   : CNFRefutation 4.13s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named definition)

% 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,intersection(X0,X1))
    <=> ( member(X2,X1)
        & member(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection_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(f4,axiom,
    ! [X0,X1] :
      ( X0 = X1
    <=> ( subset(X1,X0)
        & subset(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_defn) ).

fof(f5,axiom,
    ! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_intersection) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

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

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

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

fof(f12,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f13,plain,
    ? [X0,X1] : difference(X0,X1) != difference(X0,intersection(X0,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,intersection(X0,X1))
        | ~ member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,intersection(X0,X1)) ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,intersection(X0,X1))
        | ~ member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,intersection(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(f21,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) )
      & ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) )
      & ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 ) ),
    inference(flattening,[],[f21]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f12]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(rectify,[],[f27]) ).

fof(f29,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK2(X0,X1),X1)
        & member(sK2(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f30,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( ~ member(sK2(X0,X1),X1)
          & member(sK2(X0,X1),X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f28,f29]) ).

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

fof(f32,plain,
    difference(sK3,sK4) != difference(sK3,intersection(sK3,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(f36,plain,
    ! [X2,X0,X1] :
      ( member(X2,X1)
      | ~ member(X2,intersection(X0,X1)) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f37,plain,
    ! [X2,X0,X1] :
      ( member(X2,intersection(X0,X1))
      | ~ member(X2,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(f43,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f44,plain,
    ! [X0,X1] : intersection(X0,X1) = intersection(X1,X0),
    inference(cnf_transformation,[],[f5]) ).

fof(f50,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sK2(X0,X1),X0) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f51,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sK2(X0,X1),X1) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f53,plain,
    difference(sK3,sK4) != difference(sK3,intersection(sK3,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_51,plain,
    ( ~ member(X0,X1)
    | ~ member(X0,X2)
    | member(X0,intersection(X1,X2)) ),
    inference(cnf_transformation,[],[f37]) ).

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

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_57,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X0)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f43]) ).

cnf(c_60,plain,
    intersection(X0,X1) = intersection(X1,X0),
    inference(cnf_transformation,[],[f44]) ).

cnf(c_63,plain,
    ( ~ member(sK2(X0,X1),X1)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f51]) ).

cnf(c_64,plain,
    ( member(sK2(X0,X1),X0)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f50]) ).

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

cnf(c_387,plain,
    intersection(sK3,sK4) = sP0_iProver_def,
    definition ).

cnf(c_388,plain,
    difference(sK3,sP0_iProver_def) = sP1_iProver_def,
    definition ).

cnf(c_389,plain,
    difference(sK3,sK4) = sP2_iProver_def,
    definition ).

cnf(c_390,negated_conjecture,
    sP1_iProver_def != sP2_iProver_def,
    inference(demodulation,[status(thm)],[c_67,c_389,c_387,c_388]) ).

cnf(c_635,plain,
    ( ~ member(X0,sP0_iProver_def)
    | member(X0,sK4) ),
    inference(superposition,[status(thm)],[c_387,c_52]) ).

cnf(c_648,plain,
    ( ~ member(X0,X1)
    | ~ member(X0,X2)
    | member(X0,intersection(X2,X1)) ),
    inference(superposition,[status(thm)],[c_60,c_51]) ).

cnf(c_678,plain,
    ( member(sK2(difference(X0,X1),X2),X0)
    | subset(difference(X0,X1),X2) ),
    inference(superposition,[status(thm)],[c_64,c_56]) ).

cnf(c_679,plain,
    ( ~ member(X0,sP2_iProver_def)
    | member(X0,sK3) ),
    inference(superposition,[status(thm)],[c_389,c_56]) ).

cnf(c_680,plain,
    ( ~ member(X0,sP1_iProver_def)
    | member(X0,sK3) ),
    inference(superposition,[status(thm)],[c_388,c_56]) ).

cnf(c_700,plain,
    ( ~ member(X0,sK4)
    | ~ member(X0,sP2_iProver_def) ),
    inference(superposition,[status(thm)],[c_389,c_55]) ).

cnf(c_701,plain,
    ( ~ member(X0,sP0_iProver_def)
    | ~ member(X0,sP1_iProver_def) ),
    inference(superposition,[status(thm)],[c_388,c_55]) ).

cnf(c_715,plain,
    ( member(sK2(sP0_iProver_def,X0),sK4)
    | subset(sP0_iProver_def,X0) ),
    inference(superposition,[status(thm)],[c_64,c_635]) ).

cnf(c_764,plain,
    ( ~ member(sK2(sP0_iProver_def,X0),sP2_iProver_def)
    | subset(sP0_iProver_def,X0) ),
    inference(superposition,[status(thm)],[c_715,c_700]) ).

cnf(c_784,plain,
    ( ~ member(X0,sK3)
    | member(X0,sK4)
    | member(X0,sP2_iProver_def) ),
    inference(superposition,[status(thm)],[c_389,c_54]) ).

cnf(c_785,plain,
    ( ~ member(X0,sK3)
    | member(X0,sP0_iProver_def)
    | member(X0,sP1_iProver_def) ),
    inference(superposition,[status(thm)],[c_388,c_54]) ).

cnf(c_788,plain,
    ( ~ member(sK2(X0,difference(X1,X2)),X1)
    | member(sK2(X0,difference(X1,X2)),X2)
    | subset(X0,difference(X1,X2)) ),
    inference(superposition,[status(thm)],[c_54,c_63]) ).

cnf(c_830,plain,
    ( ~ member(sK0(sP1_iProver_def,sP2_iProver_def),sP1_iProver_def)
    | ~ member(sK0(sP1_iProver_def,sP2_iProver_def),sP2_iProver_def)
    | sP1_iProver_def = sP2_iProver_def ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_831,plain,
    ( sP1_iProver_def = sP2_iProver_def
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP1_iProver_def)
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP2_iProver_def) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_865,plain,
    ( X0 = sP2_iProver_def
    | member(sK0(X0,sP2_iProver_def),X0)
    | member(sK0(X0,sP2_iProver_def),sK3) ),
    inference(superposition,[status(thm)],[c_50,c_679]) ).

cnf(c_1452,plain,
    ( ~ member(X0,sK3)
    | ~ member(X0,sK4)
    | member(X0,sP0_iProver_def) ),
    inference(superposition,[status(thm)],[c_387,c_648]) ).

cnf(c_1758,plain,
    subset(difference(X0,X1),X0),
    inference(superposition,[status(thm)],[c_678,c_63]) ).

cnf(c_1880,plain,
    ( ~ subset(X0,difference(X0,X1))
    | difference(X0,X1) = X0 ),
    inference(superposition,[status(thm)],[c_1758,c_57]) ).

cnf(c_2180,plain,
    ( member(sK2(X0,difference(X0,X1)),X1)
    | subset(X0,difference(X0,X1)) ),
    inference(superposition,[status(thm)],[c_64,c_788]) ).

cnf(c_3801,plain,
    subset(sP0_iProver_def,difference(sP0_iProver_def,sP2_iProver_def)),
    inference(superposition,[status(thm)],[c_2180,c_764]) ).

cnf(c_4006,plain,
    difference(sP0_iProver_def,sP2_iProver_def) = sP0_iProver_def,
    inference(superposition,[status(thm)],[c_3801,c_1880]) ).

cnf(c_4095,plain,
    ( ~ member(X0,sP0_iProver_def)
    | ~ member(X0,sP2_iProver_def) ),
    inference(superposition,[status(thm)],[c_4006,c_55]) ).

cnf(c_5378,plain,
    ( sP1_iProver_def = sP2_iProver_def
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sK3) ),
    inference(superposition,[status(thm)],[c_865,c_680]) ).

cnf(c_5383,plain,
    member(sK0(sP1_iProver_def,sP2_iProver_def),sK3),
    inference(forward_subsumption_resolution,[status(thm)],[c_5378,c_390]) ).

cnf(c_5526,plain,
    ( member(sK0(sP1_iProver_def,sP2_iProver_def),sP0_iProver_def)
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP1_iProver_def) ),
    inference(superposition,[status(thm)],[c_5383,c_785]) ).

cnf(c_5527,plain,
    ( member(sK0(sP1_iProver_def,sP2_iProver_def),sK4)
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP2_iProver_def) ),
    inference(superposition,[status(thm)],[c_5383,c_784]) ).

cnf(c_5684,plain,
    ( ~ member(sK0(sP1_iProver_def,sP2_iProver_def),sK3)
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP0_iProver_def)
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP2_iProver_def) ),
    inference(superposition,[status(thm)],[c_5527,c_1452]) ).

cnf(c_5689,plain,
    ( member(sK0(sP1_iProver_def,sP2_iProver_def),sP0_iProver_def)
    | member(sK0(sP1_iProver_def,sP2_iProver_def),sP2_iProver_def) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_5684,c_5383]) ).

cnf(c_5692,plain,
    member(sK0(sP1_iProver_def,sP2_iProver_def),sP0_iProver_def),
    inference(global_subsumption_just,[status(thm)],[c_5689,c_390,c_830,c_5526,c_5689]) ).

cnf(c_5695,plain,
    ~ member(sK0(sP1_iProver_def,sP2_iProver_def),sP2_iProver_def),
    inference(superposition,[status(thm)],[c_5692,c_4095]) ).

cnf(c_5696,plain,
    ~ member(sK0(sP1_iProver_def,sP2_iProver_def),sP1_iProver_def),
    inference(superposition,[status(thm)],[c_5692,c_701]) ).

cnf(c_5702,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_5695,c_5696,c_831,c_390]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SET606+3 : TPTP v8.1.2. Released v2.2.0.
% 0.08/0.14  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n017.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 : Thu May  2 20:05:06 EDT 2024
% 0.13/0.35  % 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 --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 4.13/1.24  % SZS status Started for theBenchmark.p
% 4.13/1.24  % SZS status Theorem for theBenchmark.p
% 4.13/1.24  
% 4.13/1.24  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 4.13/1.24  
% 4.13/1.24  ------  iProver source info
% 4.13/1.24  
% 4.13/1.24  git: date: 2024-05-02 19:28:25 +0000
% 4.13/1.24  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 4.13/1.24  git: non_committed_changes: false
% 4.13/1.24  
% 4.13/1.24  ------ Parsing...
% 4.13/1.24  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 4.13/1.24  
% 4.13/1.24  ------ 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 
% 4.13/1.24  
% 4.13/1.24  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 4.13/1.24  
% 4.13/1.24  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 4.13/1.24  ------ Proving...
% 4.13/1.24  ------ Problem Properties 
% 4.13/1.24  
% 4.13/1.24  
% 4.13/1.24  clauses                                 20
% 4.13/1.24  conjectures                             1
% 4.13/1.24  EPR                                     4
% 4.13/1.24  Horn                                    16
% 4.13/1.24  unary                                   6
% 4.13/1.24  binary                                  6
% 4.13/1.24  lits                                    42
% 4.13/1.24  lits eq                                 10
% 4.13/1.24  fd_pure                                 0
% 4.13/1.24  fd_pseudo                               0
% 4.13/1.24  fd_cond                                 0
% 4.13/1.24  fd_pseudo_cond                          5
% 4.13/1.24  AC symbols                              0
% 4.13/1.24  
% 4.13/1.24  ------ Schedule dynamic 5 is on 
% 4.13/1.24  
% 4.13/1.24  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 4.13/1.24  
% 4.13/1.24  
% 4.13/1.24  ------ 
% 4.13/1.24  Current options:
% 4.13/1.24  ------ 
% 4.13/1.24  
% 4.13/1.24  
% 4.13/1.24  
% 4.13/1.24  
% 4.13/1.24  ------ Proving...
% 4.13/1.24  
% 4.13/1.24  
% 4.13/1.24  % SZS status Theorem for theBenchmark.p
% 4.13/1.24  
% 4.13/1.24  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 4.13/1.24  
% 4.13/1.24  
%------------------------------------------------------------------------------