TSTP Solution File: LCL497+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : LCL497+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n012.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 02:38:02 EDT 2024

% Result   : Theorem 38.12s 6.18s
% Output   : CNFRefutation 38.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   17
% Syntax   : Number of formulae    :  104 (  45 unt;   0 def)
%            Number of atoms       :  182 (   5 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  136 (  58   ~;  52   |;   2   &)
%                                         (  13 <=>;  11  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :   11 (   9 usr;   9 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :  147 (   3 sgn  77   !;   4   ?)

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

fof(f20,axiom,
    ( cn2
  <=> ! [X3,X4] : is_a_theorem(implies(X3,implies(not(X3),X4))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn2) ).

fof(f22,axiom,
    ( r1
  <=> ! [X3] : is_a_theorem(implies(or(X3,X3),X3)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r1) ).

fof(f23,axiom,
    ( r2
  <=> ! [X3,X4] : is_a_theorem(implies(X4,or(X3,X4))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r2) ).

fof(f24,axiom,
    ( r3
  <=> ! [X3,X4] : is_a_theorem(implies(or(X3,X4),or(X4,X3))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r3) ).

fof(f25,axiom,
    ( r4
  <=> ! [X3,X4,X5] : is_a_theorem(implies(or(X3,or(X4,X5)),or(X4,or(X3,X5)))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r4) ).

fof(f26,axiom,
    ( r5
  <=> ! [X3,X4,X5] : is_a_theorem(implies(implies(X4,X5),implies(or(X3,X4),or(X3,X5)))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r5) ).

fof(f30,axiom,
    ( op_implies_or
   => ! [X0,X1] : implies(X0,X1) = or(not(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_implies_or) ).

fof(f32,axiom,
    op_implies_or,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_op_implies_or) ).

fof(f35,axiom,
    modus_ponens,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_modus_ponens) ).

fof(f36,axiom,
    r1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r1) ).

fof(f37,axiom,
    r2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r2) ).

fof(f38,axiom,
    r3,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r3) ).

fof(f39,axiom,
    r4,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r4) ).

fof(f40,axiom,
    r5,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r5) ).

fof(f45,conjecture,
    cn2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',luka_cn2) ).

fof(f46,negated_conjecture,
    ~ cn2,
    inference(negated_conjecture,[],[f45]) ).

fof(f51,plain,
    ( cn2
  <=> ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1))) ),
    inference(rectify,[],[f20]) ).

fof(f53,plain,
    ( r1
  <=> ! [X0] : is_a_theorem(implies(or(X0,X0),X0)) ),
    inference(rectify,[],[f22]) ).

fof(f54,plain,
    ( r2
  <=> ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(rectify,[],[f23]) ).

fof(f55,plain,
    ( r3
  <=> ! [X0,X1] : is_a_theorem(implies(or(X0,X1),or(X1,X0))) ),
    inference(rectify,[],[f24]) ).

fof(f56,plain,
    ( r4
  <=> ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) ),
    inference(rectify,[],[f25]) ).

fof(f57,plain,
    ( r5
  <=> ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2)))) ),
    inference(rectify,[],[f26]) ).

fof(f58,plain,
    ~ cn2,
    inference(flattening,[],[f46]) ).

fof(f59,plain,
    ( r5
   => ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2)))) ),
    inference(unused_predicate_definition_removal,[],[f57]) ).

fof(f60,plain,
    ( r4
   => ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) ),
    inference(unused_predicate_definition_removal,[],[f56]) ).

fof(f61,plain,
    ( r3
   => ! [X0,X1] : is_a_theorem(implies(or(X0,X1),or(X1,X0))) ),
    inference(unused_predicate_definition_removal,[],[f55]) ).

fof(f62,plain,
    ( r2
   => ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f54]) ).

fof(f63,plain,
    ( r1
   => ! [X0] : is_a_theorem(implies(or(X0,X0),X0)) ),
    inference(unused_predicate_definition_removal,[],[f53]) ).

fof(f64,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1)))
   => cn2 ),
    inference(unused_predicate_definition_removal,[],[f51]) ).

fof(f66,plain,
    ( modus_ponens
   => ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    inference(unused_predicate_definition_removal,[],[f1]) ).

fof(f69,plain,
    ( ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) )
    | ~ modus_ponens ),
    inference(ennf_transformation,[],[f66]) ).

fof(f70,plain,
    ( ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) )
    | ~ modus_ponens ),
    inference(flattening,[],[f69]) ).

fof(f72,plain,
    ( cn2
    | ? [X0,X1] : ~ is_a_theorem(implies(X0,implies(not(X0),X1))) ),
    inference(ennf_transformation,[],[f64]) ).

fof(f73,plain,
    ( ! [X0] : is_a_theorem(implies(or(X0,X0),X0))
    | ~ r1 ),
    inference(ennf_transformation,[],[f63]) ).

fof(f74,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1)))
    | ~ r2 ),
    inference(ennf_transformation,[],[f62]) ).

fof(f75,plain,
    ( ! [X0,X1] : is_a_theorem(implies(or(X0,X1),or(X1,X0)))
    | ~ r3 ),
    inference(ennf_transformation,[],[f61]) ).

fof(f76,plain,
    ( ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2))))
    | ~ r4 ),
    inference(ennf_transformation,[],[f60]) ).

fof(f77,plain,
    ( ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2))))
    | ~ r5 ),
    inference(ennf_transformation,[],[f59]) ).

fof(f80,plain,
    ( ! [X0,X1] : implies(X0,X1) = or(not(X0),X1)
    | ~ op_implies_or ),
    inference(ennf_transformation,[],[f30]) ).

fof(f82,plain,
    ( ? [X0,X1] : ~ is_a_theorem(implies(X0,implies(not(X0),X1)))
   => ~ is_a_theorem(implies(sK0,implies(not(sK0),sK1))) ),
    introduced(choice_axiom,[]) ).

fof(f83,plain,
    ( cn2
    | ~ is_a_theorem(implies(sK0,implies(not(sK0),sK1))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f72,f82]) ).

fof(f84,plain,
    ! [X0,X1] :
      ( is_a_theorem(X1)
      | ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | ~ modus_ponens ),
    inference(cnf_transformation,[],[f70]) ).

fof(f86,plain,
    ( cn2
    | ~ is_a_theorem(implies(sK0,implies(not(sK0),sK1))) ),
    inference(cnf_transformation,[],[f83]) ).

fof(f87,plain,
    ! [X0] :
      ( is_a_theorem(implies(or(X0,X0),X0))
      | ~ r1 ),
    inference(cnf_transformation,[],[f73]) ).

fof(f88,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(X1,or(X0,X1)))
      | ~ r2 ),
    inference(cnf_transformation,[],[f74]) ).

fof(f89,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(or(X0,X1),or(X1,X0)))
      | ~ r3 ),
    inference(cnf_transformation,[],[f75]) ).

fof(f90,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2))))
      | ~ r4 ),
    inference(cnf_transformation,[],[f76]) ).

fof(f91,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2))))
      | ~ r5 ),
    inference(cnf_transformation,[],[f77]) ).

fof(f94,plain,
    ! [X0,X1] :
      ( implies(X0,X1) = or(not(X0),X1)
      | ~ op_implies_or ),
    inference(cnf_transformation,[],[f80]) ).

fof(f96,plain,
    op_implies_or,
    inference(cnf_transformation,[],[f32]) ).

fof(f99,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f35]) ).

fof(f100,plain,
    r1,
    inference(cnf_transformation,[],[f36]) ).

fof(f101,plain,
    r2,
    inference(cnf_transformation,[],[f37]) ).

fof(f102,plain,
    r3,
    inference(cnf_transformation,[],[f38]) ).

fof(f103,plain,
    r4,
    inference(cnf_transformation,[],[f39]) ).

fof(f104,plain,
    r5,
    inference(cnf_transformation,[],[f40]) ).

fof(f108,plain,
    ~ cn2,
    inference(cnf_transformation,[],[f58]) ).

cnf(c_49,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | ~ is_a_theorem(X0)
    | ~ modus_ponens
    | is_a_theorem(X1) ),
    inference(cnf_transformation,[],[f84]) ).

cnf(c_51,plain,
    ( ~ is_a_theorem(implies(sK0,implies(not(sK0),sK1)))
    | cn2 ),
    inference(cnf_transformation,[],[f86]) ).

cnf(c_52,plain,
    ( ~ r1
    | is_a_theorem(implies(or(X0,X0),X0)) ),
    inference(cnf_transformation,[],[f87]) ).

cnf(c_53,plain,
    ( ~ r2
    | is_a_theorem(implies(X0,or(X1,X0))) ),
    inference(cnf_transformation,[],[f88]) ).

cnf(c_54,plain,
    ( ~ r3
    | is_a_theorem(implies(or(X0,X1),or(X1,X0))) ),
    inference(cnf_transformation,[],[f89]) ).

cnf(c_55,plain,
    ( ~ r4
    | is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) ),
    inference(cnf_transformation,[],[f90]) ).

cnf(c_56,plain,
    ( ~ r5
    | is_a_theorem(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))) ),
    inference(cnf_transformation,[],[f91]) ).

cnf(c_59,plain,
    ( ~ op_implies_or
    | or(not(X0),X1) = implies(X0,X1) ),
    inference(cnf_transformation,[],[f94]) ).

cnf(c_61,plain,
    op_implies_or,
    inference(cnf_transformation,[],[f96]) ).

cnf(c_64,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f99]) ).

cnf(c_65,plain,
    r1,
    inference(cnf_transformation,[],[f100]) ).

cnf(c_66,plain,
    r2,
    inference(cnf_transformation,[],[f101]) ).

cnf(c_67,plain,
    r3,
    inference(cnf_transformation,[],[f102]) ).

cnf(c_68,plain,
    r4,
    inference(cnf_transformation,[],[f103]) ).

cnf(c_69,plain,
    r5,
    inference(cnf_transformation,[],[f104]) ).

cnf(c_73,negated_conjecture,
    ~ cn2,
    inference(cnf_transformation,[],[f108]) ).

cnf(c_84,plain,
    is_a_theorem(implies(X0,or(X1,X0))),
    inference(global_subsumption_just,[status(thm)],[c_53,c_66,c_53]) ).

cnf(c_87,plain,
    is_a_theorem(implies(or(X0,X0),X0)),
    inference(global_subsumption_just,[status(thm)],[c_52,c_65,c_52]) ).

cnf(c_92,plain,
    is_a_theorem(implies(or(X0,X1),or(X1,X0))),
    inference(global_subsumption_just,[status(thm)],[c_54,c_67,c_54]) ).

cnf(c_95,plain,
    or(not(X0),X1) = implies(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_59,c_61,c_59]) ).

cnf(c_101,plain,
    ( ~ is_a_theorem(X0)
    | ~ is_a_theorem(implies(X0,X1))
    | is_a_theorem(X1) ),
    inference(global_subsumption_just,[status(thm)],[c_49,c_64,c_49]) ).

cnf(c_102,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | ~ is_a_theorem(X0)
    | is_a_theorem(X1) ),
    inference(renaming,[status(thm)],[c_101]) ).

cnf(c_112,plain,
    is_a_theorem(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))),
    inference(global_subsumption_just,[status(thm)],[c_56,c_69,c_56]) ).

cnf(c_115,plain,
    is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(global_subsumption_just,[status(thm)],[c_55,c_68,c_55]) ).

cnf(c_510,plain,
    is_a_theorem(implies(or(X0,not(X1)),implies(X1,X0))),
    inference(superposition,[status(thm)],[c_95,c_92]) ).

cnf(c_716,plain,
    is_a_theorem(implies(implies(X0,X1),implies(implies(X2,X0),or(not(X2),X1)))),
    inference(superposition,[status(thm)],[c_95,c_112]) ).

cnf(c_736,plain,
    is_a_theorem(implies(implies(X0,not(X1)),implies(X1,not(X0)))),
    inference(superposition,[status(thm)],[c_95,c_510]) ).

cnf(c_1527,plain,
    is_a_theorem(implies(implies(X0,X1),implies(implies(X2,X0),implies(X2,X1)))),
    inference(superposition,[status(thm)],[c_95,c_716]) ).

cnf(c_1645,plain,
    ( ~ is_a_theorem(implies(X0,not(X1)))
    | is_a_theorem(implies(X1,not(X0))) ),
    inference(superposition,[status(thm)],[c_736,c_102]) ).

cnf(c_1779,plain,
    is_a_theorem(implies(implies(X0,or(X1,X2)),or(X1,or(not(X0),X2)))),
    inference(superposition,[status(thm)],[c_95,c_115]) ).

cnf(c_1926,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | is_a_theorem(implies(implies(X2,X0),implies(X2,X1))) ),
    inference(superposition,[status(thm)],[c_1527,c_102]) ).

cnf(c_2255,plain,
    is_a_theorem(implies(implies(X0,or(X1,X2)),or(X1,implies(X0,X2)))),
    inference(superposition,[status(thm)],[c_95,c_1779]) ).

cnf(c_2916,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | ~ is_a_theorem(implies(X2,X0))
    | is_a_theorem(implies(X2,X1)) ),
    inference(superposition,[status(thm)],[c_1926,c_102]) ).

cnf(c_3915,plain,
    ( ~ is_a_theorem(implies(X0,or(X1,X2)))
    | is_a_theorem(or(X1,implies(X0,X2))) ),
    inference(superposition,[status(thm)],[c_2255,c_102]) ).

cnf(c_6512,plain,
    ( ~ is_a_theorem(implies(X0,implies(not(sK0),sK1)))
    | ~ is_a_theorem(implies(sK0,X0))
    | is_a_theorem(implies(sK0,implies(not(sK0),sK1))) ),
    inference(instantiation,[status(thm)],[c_2916]) ).

cnf(c_6839,plain,
    ( ~ is_a_theorem(implies(or(sK1,not(not(sK0))),implies(not(sK0),sK1)))
    | ~ is_a_theorem(implies(sK0,or(sK1,not(not(sK0)))))
    | is_a_theorem(implies(sK0,implies(not(sK0),sK1))) ),
    inference(instantiation,[status(thm)],[c_6512]) ).

cnf(c_9606,plain,
    is_a_theorem(implies(or(sK1,not(not(sK0))),implies(not(sK0),sK1))),
    inference(instantiation,[status(thm)],[c_510]) ).

cnf(c_10656,plain,
    ( ~ is_a_theorem(or(X0,X0))
    | is_a_theorem(X0) ),
    inference(superposition,[status(thm)],[c_87,c_102]) ).

cnf(c_12659,plain,
    is_a_theorem(or(X0,implies(X1,X1))),
    inference(superposition,[status(thm)],[c_84,c_3915]) ).

cnf(c_12862,plain,
    is_a_theorem(implies(X0,X0)),
    inference(superposition,[status(thm)],[c_12659,c_10656]) ).

cnf(c_12951,plain,
    is_a_theorem(implies(X0,not(not(X0)))),
    inference(superposition,[status(thm)],[c_12862,c_1645]) ).

cnf(c_12956,plain,
    is_a_theorem(implies(sK0,not(not(sK0)))),
    inference(instantiation,[status(thm)],[c_12951]) ).

cnf(c_14287,plain,
    ( ~ is_a_theorem(implies(X0,or(sK1,not(not(sK0)))))
    | ~ is_a_theorem(implies(sK0,X0))
    | is_a_theorem(implies(sK0,or(sK1,not(not(sK0))))) ),
    inference(instantiation,[status(thm)],[c_2916]) ).

cnf(c_15379,plain,
    ( ~ is_a_theorem(implies(not(not(sK0)),or(sK1,not(not(sK0)))))
    | ~ is_a_theorem(implies(sK0,not(not(sK0))))
    | is_a_theorem(implies(sK0,or(sK1,not(not(sK0))))) ),
    inference(instantiation,[status(thm)],[c_14287]) ).

cnf(c_22503,plain,
    is_a_theorem(implies(not(not(sK0)),or(sK1,not(not(sK0))))),
    inference(instantiation,[status(thm)],[c_84]) ).

cnf(c_22504,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_22503,c_15379,c_12956,c_9606,c_6839,c_51,c_73]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LCL497+1 : TPTP v8.1.2. Released v3.3.0.
% 0.03/0.12  % Command  : run_iprover %s %d THM
% 0.11/0.32  % Computer : n012.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Thu May  2 18:48:55 EDT 2024
% 0.11/0.32  % CPUTime  : 
% 0.17/0.43  Running first-order theorem proving
% 0.17/0.43  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
% 38.12/6.18  % SZS status Started for theBenchmark.p
% 38.12/6.18  % SZS status Theorem for theBenchmark.p
% 38.12/6.18  
% 38.12/6.18  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 38.12/6.18  
% 38.12/6.18  ------  iProver source info
% 38.12/6.18  
% 38.12/6.18  git: date: 2024-05-02 19:28:25 +0000
% 38.12/6.18  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 38.12/6.18  git: non_committed_changes: false
% 38.12/6.18  
% 38.12/6.18  ------ Parsing...
% 38.12/6.18  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 38.12/6.18  
% 38.12/6.18  ------ Preprocessing... sup_sim: 0  sf_s  rm: 13 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 38.12/6.18  
% 38.12/6.18  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 38.12/6.18  
% 38.12/6.18  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 38.12/6.18  ------ Proving...
% 38.12/6.18  ------ Problem Properties 
% 38.12/6.18  
% 38.12/6.18  
% 38.12/6.18  clauses                                 12
% 38.12/6.18  conjectures                             0
% 38.12/6.18  EPR                                     0
% 38.12/6.18  Horn                                    12
% 38.12/6.18  unary                                   10
% 38.12/6.18  binary                                  1
% 38.12/6.18  lits                                    15
% 38.12/6.18  lits eq                                 5
% 38.12/6.18  fd_pure                                 0
% 38.12/6.18  fd_pseudo                               0
% 38.12/6.18  fd_cond                                 0
% 38.12/6.18  fd_pseudo_cond                          1
% 38.12/6.18  AC symbols                              0
% 38.12/6.18  
% 38.12/6.18  ------ Input Options Time Limit: Unbounded
% 38.12/6.18  
% 38.12/6.18  
% 38.12/6.18  ------ 
% 38.12/6.18  Current options:
% 38.12/6.18  ------ 
% 38.12/6.18  
% 38.12/6.18  
% 38.12/6.18  
% 38.12/6.18  
% 38.12/6.18  ------ Proving...
% 38.12/6.18  
% 38.12/6.18  
% 38.12/6.18  % SZS status Theorem for theBenchmark.p
% 38.12/6.18  
% 38.12/6.18  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 38.12/6.18  
% 38.12/6.18  
%------------------------------------------------------------------------------