TSTP Solution File: AGT037^1 by E---3.1.00

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E---3.1.00
% Problem  : AGT037^1 : TPTP v8.2.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n006.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 : Mon May 20 17:57:48 EDT 2024

% Result   : Theorem 0.20s 0.50s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   31
% Syntax   : Number of formulae    :   62 (  30 unt;  17 typ;   0 def)
%            Number of atoms       :   96 (  20 equ;   0 cnn)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  202 (  29   ~;  20   |;   0   &; 150   @)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   4 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   87 (  87   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   18 (  16 usr;   4 con; 0-3 aty)
%            Number of variables   :   94 (  44   ^  47   !;   3   ?;  94   :)

% Comments : 
%------------------------------------------------------------------------------
thf(decl_sort1,type,
    mu: $tType ).

thf(decl_24,type,
    mnot: ( $i > $o ) > $i > $o ).

thf(decl_25,type,
    mor: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(decl_27,type,
    mimplies: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(decl_31,type,
    mforall_ind: ( mu > $i > $o ) > $i > $o ).

thf(decl_37,type,
    mbox: ( $i > $i > $o ) > ( $i > $o ) > $i > $o ).

thf(decl_38,type,
    mdia: ( $i > $i > $o ) > ( $i > $o ) > $i > $o ).

thf(decl_40,type,
    msymmetric: ( $i > $i > $o ) > $o ).

thf(decl_41,type,
    mserial: ( $i > $i > $o ) > $o ).

thf(decl_49,type,
    mvalid: ( $i > $o ) > $o ).

thf(decl_53,type,
    a1: $i > $i > $o ).

thf(decl_56,type,
    jan: mu ).

thf(decl_58,type,
    cola: mu ).

thf(decl_61,type,
    likes: mu > mu > $i > $o ).

thf(decl_63,type,
    possibly_likes: mu > mu > $i > $o ).

thf(decl_71,type,
    esk6_1: $i > $i ).

thf(decl_74,type,
    esk9_0: $i ).

thf(msymmetric,axiom,
    ( msymmetric
    = ( ^ [X13: $i > $i > $o] :
        ! [X15: $i,X16: $i] :
          ( ( X13 @ X15 @ X16 )
         => ( X13 @ X16 @ X15 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',msymmetric) ).

thf(mserial,axiom,
    ( mserial
    = ( ^ [X13: $i > $i > $o] :
        ! [X15: $i] :
        ? [X16: $i] : ( X13 @ X15 @ X16 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mserial) ).

thf(mimplies,axiom,
    ( mimplies
    = ( ^ [X6: $i > $o,X7: $i > $o] : ( mor @ ( mnot @ X6 ) @ X7 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mimplies) ).

thf(mnot,axiom,
    ( mnot
    = ( ^ [X6: $i > $o,X3: $i] :
          ~ ( X6 @ X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mnot) ).

thf(mor,axiom,
    ( mor
    = ( ^ [X6: $i > $o,X7: $i > $o,X3: $i] :
          ( ( X6 @ X3 )
          | ( X7 @ X3 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mor) ).

thf(mdia,axiom,
    ( mdia
    = ( ^ [X13: $i > $i > $o,X6: $i > $o] : ( mnot @ ( mbox @ X13 @ ( mnot @ X6 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mdia) ).

thf(mbox,axiom,
    ( mbox
    = ( ^ [X13: $i > $i > $o,X6: $i > $o,X3: $i] :
        ! [X14: $i] :
          ( ~ ( X13 @ X3 @ X14 )
          | ( X6 @ X14 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mbox) ).

thf(mvalid,axiom,
    ( mvalid
    = ( ^ [X6: $i > $o] :
        ! [X3: $i] : ( X6 @ X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mvalid) ).

thf(axioms_B_a1,axiom,
    msymmetric @ a1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axioms_B_a1) ).

thf(axioms_D_a1,axiom,
    mserial @ a1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axioms_D_a1) ).

thf(mforall_ind,axiom,
    ( mforall_ind
    = ( ^ [X8: mu > $i > $o,X3: $i] :
        ! [X1: mu] : ( X8 @ X1 @ X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mforall_ind) ).

thf(axiom_a1_1,axiom,
    mvalid @ ( mbox @ a1 @ ( likes @ jan @ cola ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_a1_1) ).

thf(axiom_user_communication_3,axiom,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X1: mu] :
          ( mforall_ind
          @ ^ [X2: mu] : ( mimplies @ ( mdia @ a1 @ ( likes @ X1 @ X2 ) ) @ ( possibly_likes @ X1 @ X2 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_user_communication_3) ).

thf(conj,conjecture,
    mvalid @ ( possibly_likes @ jan @ cola ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conj) ).

thf(c_0_14,plain,
    ( msymmetric
    = ( ^ [Z0: $i > $i > $o] :
        ! [X15: $i,X16: $i] :
          ( ( Z0 @ X15 @ X16 )
         => ( Z0 @ X16 @ X15 ) ) ) ),
    inference(fof_simplification,[status(thm)],[msymmetric]) ).

thf(c_0_15,plain,
    ( mserial
    = ( ^ [Z0: $i > $i > $o] :
        ! [X15: $i] :
        ? [X16: $i] : ( Z0 @ X15 @ X16 ) ) ),
    inference(fof_simplification,[status(thm)],[mserial]) ).

thf(c_0_16,plain,
    ( mimplies
    = ( ^ [Z0: $i > $o,Z1: $i > $o,Z2: $i] :
          ( ~ ( Z0 @ Z2 )
          | ( Z1 @ Z2 ) ) ) ),
    inference(fof_simplification,[status(thm)],[mimplies]) ).

thf(c_0_17,plain,
    ( mnot
    = ( ^ [Z0: $i > $o,Z1: $i] :
          ~ ( Z0 @ Z1 ) ) ),
    inference(fof_simplification,[status(thm)],[mnot]) ).

thf(c_0_18,plain,
    ( mor
    = ( ^ [Z0: $i > $o,Z1: $i > $o,Z2: $i] :
          ( ( Z0 @ Z2 )
          | ( Z1 @ Z2 ) ) ) ),
    inference(fof_simplification,[status(thm)],[mor]) ).

thf(c_0_19,plain,
    ( mdia
    = ( ^ [Z0: $i > $i > $o,Z1: $i > $o,Z2: $i] :
          ~ ! [X24: $i] :
              ( ~ ( Z0 @ Z2 @ X24 )
              | ~ ( Z1 @ X24 ) ) ) ),
    inference(fof_simplification,[status(thm)],[mdia]) ).

thf(c_0_20,plain,
    ( mbox
    = ( ^ [Z0: $i > $i > $o,Z1: $i > $o,Z2: $i] :
        ! [X14: $i] :
          ( ~ ( Z0 @ Z2 @ X14 )
          | ( Z1 @ X14 ) ) ) ),
    inference(fof_simplification,[status(thm)],[mbox]) ).

thf(c_0_21,plain,
    ( mvalid
    = ( ^ [Z0: $i > $o] :
        ! [X3: $i] : ( Z0 @ X3 ) ) ),
    inference(fof_simplification,[status(thm)],[mvalid]) ).

thf(c_0_22,plain,
    ! [X81: $i,X82: $i] :
      ( ( a1 @ X81 @ X82 )
     => ( a1 @ X82 @ X81 ) ),
    inference(apply_def,[status(thm)],[axioms_B_a1,c_0_14]) ).

thf(c_0_23,plain,
    ! [X87: $i] :
    ? [X88: $i] : ( a1 @ X87 @ X88 ),
    inference(apply_def,[status(thm)],[axioms_D_a1,c_0_15]) ).

thf(c_0_24,plain,
    ( mimplies
    = ( ^ [Z0: $i > $o,Z1: $i > $o,Z2: $i] :
          ( ~ ( Z0 @ Z2 )
          | ( Z1 @ Z2 ) ) ) ),
    inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[c_0_16,c_0_17]),c_0_18]) ).

thf(c_0_25,plain,
    ( mforall_ind
    = ( ^ [Z0: mu > $i > $o,Z1: $i] :
        ! [X1: mu] : ( Z0 @ X1 @ Z1 ) ) ),
    inference(fof_simplification,[status(thm)],[mforall_ind]) ).

thf(c_0_26,plain,
    ( mdia
    = ( ^ [Z0: $i > $i > $o,Z1: $i > $o,Z2: $i] :
          ~ ! [X24: $i] :
              ( ~ ( Z0 @ Z2 @ X24 )
              | ~ ( Z1 @ X24 ) ) ) ),
    inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[c_0_19,c_0_17]),c_0_20]) ).

thf(c_0_27,plain,
    ! [X26: $i,X25: $i] :
      ( ~ ( a1 @ X26 @ X25 )
      | ( likes @ jan @ cola @ X25 ) ),
    inference(fof_simplification,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[axiom_a1_1,c_0_20]),c_0_21])]) ).

thf(c_0_28,plain,
    ! [X192: $i,X193: $i] :
      ( ~ ( a1 @ X192 @ X193 )
      | ( a1 @ X193 @ X192 ) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_22])])]) ).

thf(c_0_29,plain,
    ! [X198: $i] : ( a1 @ X198 @ ( esk6_1 @ X198 ) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[c_0_23])]) ).

thf(c_0_30,plain,
    ! [X72: $i,X71: mu,X70: mu] :
      ( ~ ~ ! [X69: $i] :
              ( ~ ( a1 @ X72 @ X69 )
              | ~ ( likes @ X71 @ X70 @ X69 ) )
      | ( possibly_likes @ X71 @ X70 @ X72 ) ),
    inference(fof_simplification,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[inference(fof_simplification,[status(thm)],[axiom_user_communication_3]),c_0_24]),c_0_25]),c_0_26]),c_0_21])]) ).

thf(c_0_31,plain,
    ! [X136: $i,X137: $i] :
      ( ~ ( a1 @ X136 @ X137 )
      | ( likes @ jan @ cola @ X137 ) ),
    inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[c_0_27])]) ).

thf(c_0_32,plain,
    ! [X3: $i,X14: $i] :
      ( ( a1 @ X14 @ X3 )
      | ~ ( a1 @ X3 @ X14 ) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

thf(c_0_33,plain,
    ! [X3: $i] : ( a1 @ X3 @ ( esk6_1 @ X3 ) ),
    inference(split_conjunct,[status(thm)],[c_0_29]) ).

thf(c_0_34,plain,
    ! [X180: $i,X181: mu,X182: mu,X183: $i] :
      ( ~ ( a1 @ X180 @ X183 )
      | ~ ( likes @ X181 @ X182 @ X183 )
      | ( possibly_likes @ X181 @ X182 @ X180 ) ),
    inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_30])])])]) ).

thf(c_0_35,plain,
    ! [X3: $i,X14: $i] :
      ( ( likes @ jan @ cola @ X14 )
      | ~ ( a1 @ X3 @ X14 ) ),
    inference(split_conjunct,[status(thm)],[c_0_31]) ).

thf(c_0_36,plain,
    ! [X3: $i] : ( a1 @ ( esk6_1 @ X3 ) @ X3 ),
    inference(spm,[status(thm)],[c_0_32,c_0_33]) ).

thf(c_0_37,negated_conjecture,
    ~ ! [X135: $i] : ( possibly_likes @ jan @ cola @ X135 ),
    inference(apply_def,[status(thm)],[inference(assume_negation,[status(cth)],[conj]),c_0_21]) ).

thf(c_0_38,plain,
    ! [X3: $i,X2: mu,X1: mu,X14: $i] :
      ( ( possibly_likes @ X1 @ X2 @ X3 )
      | ~ ( a1 @ X3 @ X14 )
      | ~ ( likes @ X1 @ X2 @ X14 ) ),
    inference(split_conjunct,[status(thm)],[c_0_34]) ).

thf(c_0_39,plain,
    ! [X3: $i] : ( likes @ jan @ cola @ X3 ),
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

thf(c_0_40,negated_conjecture,
    ~ ( possibly_likes @ jan @ cola @ esk9_0 ),
    inference(fof_nnf,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_37])])])]) ).

thf(c_0_41,plain,
    ! [X3: $i,X14: $i] :
      ( ( possibly_likes @ jan @ cola @ X3 )
      | ~ ( a1 @ X3 @ X14 ) ),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

thf(c_0_42,negated_conjecture,
    ~ ( possibly_likes @ jan @ cola @ esk9_0 ),
    inference(split_conjunct,[status(thm)],[c_0_40]) ).

thf(c_0_43,plain,
    ! [X3: $i] : ( possibly_likes @ jan @ cola @ X3 ),
    inference(spm,[status(thm)],[c_0_41,c_0_33]) ).

thf(c_0_44,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_42,c_0_43])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : AGT037^1 : TPTP v8.2.0. Bugfixed v5.4.0.
% 0.03/0.13  % Command    : run_E %s %d THM
% 0.13/0.34  % Computer : n006.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 May 18 18:51:08 EDT 2024
% 0.13/0.34  % CPUTime    : 
% 0.20/0.47  Running higher-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox2/solver/bin/eprover-ho --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.50  # Version: 3.1.0-ho
% 0.20/0.50  # Preprocessing class: HSMSSMSSMLLNHSN.
% 0.20/0.50  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.20/0.50  # Starting new_ho_10_cnf2 with 1500s (5) cores
% 0.20/0.50  # Starting post_as_ho3 with 300s (1) cores
% 0.20/0.50  # Starting new_ho_12 with 300s (1) cores
% 0.20/0.50  # Starting new_bool_2 with 300s (1) cores
% 0.20/0.50  # new_ho_10_cnf2 with pid 19333 completed with status 0
% 0.20/0.50  # Result found by new_ho_10_cnf2
% 0.20/0.50  # Preprocessing class: HSMSSMSSMLLNHSN.
% 0.20/0.50  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.20/0.50  # Starting new_ho_10_cnf2 with 1500s (5) cores
% 0.20/0.50  # No SInE strategy applied
% 0.20/0.50  # Search class: HGUNM-FFMF32-SHSSMFNN
% 0.20/0.50  # Scheduled 6 strats onto 5 cores with 1500 seconds (1500 total)
% 0.20/0.50  # Starting new_ho_10 with 811s (1) cores
% 0.20/0.50  # Starting new_ho_10_cnf2 with 151s (1) cores
% 0.20/0.50  # Starting ehoh_best_sine_rwall with 136s (1) cores
% 0.20/0.50  # Starting lpo1_def_fix with 136s (1) cores
% 0.20/0.50  # Starting ehoh_best8_lambda with 136s (1) cores
% 0.20/0.50  # lpo1_def_fix with pid 19346 completed with status 0
% 0.20/0.50  # Result found by lpo1_def_fix
% 0.20/0.50  # Preprocessing class: HSMSSMSSMLLNHSN.
% 0.20/0.50  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.20/0.50  # Starting new_ho_10_cnf2 with 1500s (5) cores
% 0.20/0.50  # No SInE strategy applied
% 0.20/0.50  # Search class: HGUNM-FFMF32-SHSSMFNN
% 0.20/0.50  # Scheduled 6 strats onto 5 cores with 1500 seconds (1500 total)
% 0.20/0.50  # Starting new_ho_10 with 811s (1) cores
% 0.20/0.50  # Starting new_ho_10_cnf2 with 151s (1) cores
% 0.20/0.50  # Starting ehoh_best_sine_rwall with 136s (1) cores
% 0.20/0.50  # Starting lpo1_def_fix with 136s (1) cores
% 0.20/0.50  # Preprocessing time       : 0.003 s
% 0.20/0.50  # Presaturation interreduction done
% 0.20/0.50  
% 0.20/0.50  # Proof found!
% 0.20/0.50  # SZS status Theorem
% 0.20/0.50  # SZS output start CNFRefutation
% See solution above
% 0.20/0.50  # Parsed axioms                        : 118
% 0.20/0.50  # Removed by relevancy pruning/SinE    : 0
% 0.20/0.50  # Initial clauses                      : 91
% 0.20/0.50  # Removed in clause preprocessing      : 45
% 0.20/0.50  # Initial clauses in saturation        : 46
% 0.20/0.50  # Processed clauses                    : 102
% 0.20/0.50  # ...of these trivial                  : 0
% 0.20/0.50  # ...subsumed                          : 3
% 0.20/0.50  # ...remaining for further processing  : 99
% 0.20/0.50  # Other redundant clauses eliminated   : 0
% 0.20/0.50  # Clauses deleted for lack of memory   : 0
% 0.20/0.50  # Backward-subsumed                    : 0
% 0.20/0.50  # Backward-rewritten                   : 16
% 0.20/0.50  # Generated clauses                    : 104
% 0.20/0.50  # ...of the previous two non-redundant : 96
% 0.20/0.50  # ...aggressively subsumed             : 0
% 0.20/0.50  # Contextual simplify-reflections      : 0
% 0.20/0.50  # Paramodulations                      : 104
% 0.20/0.50  # Factorizations                       : 0
% 0.20/0.50  # NegExts                              : 0
% 0.20/0.50  # Equation resolutions                 : 0
% 0.20/0.50  # Disequality decompositions           : 0
% 0.20/0.50  # Total rewrite steps                  : 24
% 0.20/0.50  # ...of those cached                   : 4
% 0.20/0.50  # Propositional unsat checks           : 0
% 0.20/0.50  #    Propositional check models        : 0
% 0.20/0.50  #    Propositional check unsatisfiable : 0
% 0.20/0.50  #    Propositional clauses             : 0
% 0.20/0.50  #    Propositional clauses after purity: 0
% 0.20/0.50  #    Propositional unsat core size     : 0
% 0.20/0.50  #    Propositional preprocessing time  : 0.000
% 0.20/0.50  #    Propositional encoding time       : 0.000
% 0.20/0.50  #    Propositional solver time         : 0.000
% 0.20/0.50  #    Success case prop preproc time    : 0.000
% 0.20/0.50  #    Success case prop encoding time   : 0.000
% 0.20/0.50  #    Success case prop solver time     : 0.000
% 0.20/0.50  # Current number of processed clauses  : 39
% 0.20/0.50  #    Positive orientable unit clauses  : 16
% 0.20/0.50  #    Positive unorientable unit clauses: 0
% 0.20/0.50  #    Negative unit clauses             : 0
% 0.20/0.50  #    Non-unit-clauses                  : 23
% 0.20/0.50  # Current number of unprocessed clauses: 75
% 0.20/0.50  # ...number of literals in the above   : 181
% 0.20/0.50  # Current number of archived formulas  : 0
% 0.20/0.50  # Current number of archived clauses   : 60
% 0.20/0.50  # Clause-clause subsumption calls (NU) : 138
% 0.20/0.50  # Rec. Clause-clause subsumption calls : 102
% 0.20/0.50  # Non-unit clause-clause subsumptions  : 3
% 0.20/0.50  # Unit Clause-clause subsumption calls : 14
% 0.20/0.50  # Rewrite failures with RHS unbound    : 0
% 0.20/0.50  # BW rewrite match attempts            : 29
% 0.20/0.50  # BW rewrite match successes           : 14
% 0.20/0.50  # Condensation attempts                : 0
% 0.20/0.50  # Condensation successes               : 0
% 0.20/0.50  # Termbank termtop insertions          : 9665
% 0.20/0.50  # Search garbage collected termcells   : 3139
% 0.20/0.50  
% 0.20/0.50  # -------------------------------------------------
% 0.20/0.50  # User time                : 0.012 s
% 0.20/0.50  # System time              : 0.005 s
% 0.20/0.50  # Total time               : 0.017 s
% 0.20/0.50  # Maximum resident set size: 2508 pages
% 0.20/0.50  
% 0.20/0.50  # -------------------------------------------------
% 0.20/0.50  # User time                : 0.037 s
% 0.20/0.50  # System time              : 0.021 s
% 0.20/0.50  # Total time               : 0.058 s
% 0.20/0.50  # Maximum resident set size: 1832 pages
% 0.20/0.50  % E---3.1 exiting
% 0.20/0.50  % E exiting
%------------------------------------------------------------------------------