TSTP Solution File: GEO066-2 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : GEO066-2 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule file --schedule_file /export/starexec/sandbox2/solver/bin/quickGreedyProduceRating_steal_pow3.txt --cores 8 -m 12000 -t %d %s

% Computer : n014.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 : Sun May  5 05:09:01 EDT 2024

% Result   : Unsatisfiable 0.55s 0.76s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   18 (   9 unt;   0 def)
%            Number of atoms       :   34 (   4 equ)
%            Maximal formula atoms :    5 (   1 avg)
%            Number of connectives :   34 (  18   ~;  16   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-4 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-5 aty)
%            Number of variables   :   46 (  46   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f94,plain,
    $false,
    inference(subsumption_resolution,[],[f87,f28]) ).

fof(f28,plain,
    ~ between(w,u,v),
    inference(resolution,[],[f21,f24]) ).

fof(f24,axiom,
    ~ colinear(u,v,w),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',prove_uvw_colinear) ).

fof(f21,axiom,
    ! [X2,X0,X1] :
      ( colinear(X0,X1,X2)
      | ~ between(X2,X0,X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',colinearity3) ).

fof(f87,plain,
    between(w,u,v),
    inference(resolution,[],[f76,f23]) ).

fof(f23,axiom,
    between(v,u,w),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',u_between_v_and_w) ).

fof(f76,plain,
    ! [X2,X0,X1] :
      ( ~ between(X2,X1,X0)
      | between(X0,X1,X2) ),
    inference(resolution,[],[f49,f33]) ).

fof(f33,plain,
    ! [X0,X1] : between(X0,X1,X1),
    inference(superposition,[],[f4,f29]) ).

fof(f29,plain,
    ! [X2,X0,X1] : extension(X1,X0,X2,X2) = X0,
    inference(resolution,[],[f5,f3]) ).

fof(f3,axiom,
    ! [X2,X0,X1] :
      ( ~ equidistant(X0,X1,X2,X2)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',identity_for_equidistance) ).

fof(f5,axiom,
    ! [X3,X0,X1,X5] : equidistant(X1,extension(X0,X1,X5,X3),X5,X3),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',segment_construction2) ).

fof(f4,axiom,
    ! [X3,X0,X1,X5] : between(X0,X1,extension(X0,X1,X5,X3)),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',segment_construction1) ).

fof(f49,plain,
    ! [X2,X3,X0,X1] :
      ( ~ between(X1,X3,X2)
      | between(X3,X1,X0)
      | ~ between(X0,X1,X2) ),
    inference(duplicate_literal_removal,[],[f46]) ).

fof(f46,plain,
    ! [X2,X3,X0,X1] :
      ( between(X3,X1,X0)
      | ~ between(X1,X3,X2)
      | ~ between(X0,X1,X2)
      | ~ between(X0,X1,X2)
      | ~ between(X1,X3,X2) ),
    inference(superposition,[],[f9,f31]) ).

fof(f31,plain,
    ! [X2,X3,X0,X1] :
      ( inner_pasch(X3,X0,X2,X1,X0) = X0
      | ~ between(X3,X0,X2)
      | ~ between(X0,X1,X2) ),
    inference(resolution,[],[f8,f7]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( ~ between(X0,X1,X0)
      | X0 = X1 ),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',identity_for_betweeness) ).

fof(f8,axiom,
    ! [X3,X10,X0,X1,X5] :
      ( between(X3,inner_pasch(X10,X3,X5,X0,X1),X1)
      | ~ between(X1,X0,X5)
      | ~ between(X10,X3,X5) ),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',inner_pasch1) ).

fof(f9,axiom,
    ! [X3,X10,X0,X1,X5] :
      ( between(X0,inner_pasch(X10,X3,X5,X0,X1),X10)
      | ~ between(X1,X0,X5)
      | ~ between(X10,X3,X5) ),
    file('/export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500',inner_pasch2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.14  % Problem    : GEO066-2 : TPTP v8.1.2. Released v1.0.0.
% 0.07/0.16  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule file --schedule_file /export/starexec/sandbox2/solver/bin/quickGreedyProduceRating_steal_pow3.txt --cores 8 -m 12000 -t %d %s
% 0.14/0.37  % Computer : n014.cluster.edu
% 0.14/0.37  % Model    : x86_64 x86_64
% 0.14/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.37  % Memory   : 8042.1875MB
% 0.14/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.37  % CPULimit   : 300
% 0.14/0.37  % WCLimit    : 300
% 0.14/0.37  % DateTime   : Fri May  3 22:02:23 EDT 2024
% 0.14/0.37  % CPUTime    : 
% 0.14/0.37  This is a CNF_UNS_RFO_SEQ_NHN problem
% 0.14/0.37  Running vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule file --schedule_file /export/starexec/sandbox2/solver/bin/quickGreedyProduceRating_steal_pow3.txt --cores 8 -m 12000 -t 300 /export/starexec/sandbox2/tmp/tmp.dQO4cbifpA/Vampire---4.8_28500
% 0.55/0.75  % (28608)dis-1011_2:1_sil=2000:lsd=20:nwc=5.0:flr=on:mep=off:st=3.0:i=34:sd=1:ep=RS:ss=axioms_0 on Vampire---4 for (2996ds/34Mi)
% 0.55/0.75  % (28610)lrs+1011_1:1_sil=8000:sp=occurrence:nwc=10.0:i=78:ss=axioms:sgt=8_0 on Vampire---4 for (2996ds/78Mi)
% 0.55/0.75  % (28609)lrs+1011_461:32768_sil=16000:irw=on:sp=frequency:lsd=20:fd=preordered:nwc=10.0:s2agt=32:alpa=false:cond=fast:s2a=on:i=51:s2at=3.0:awrs=decay:awrsf=691:bd=off:nm=20:fsr=off:amm=sco:uhcvi=on:rawr=on_0 on Vampire---4 for (2996ds/51Mi)
% 0.55/0.75  % (28611)ott+1011_1:1_sil=2000:urr=on:i=33:sd=1:kws=inv_frequency:ss=axioms:sup=off_0 on Vampire---4 for (2996ds/33Mi)
% 0.55/0.75  % (28613)lrs+1002_1:16_to=lpo:sil=32000:sp=unary_frequency:sos=on:i=45:bd=off:ss=axioms_0 on Vampire---4 for (2996ds/45Mi)
% 0.55/0.75  % (28612)lrs+2_1:1_sil=16000:fde=none:sos=all:nwc=5.0:i=34:ep=RS:s2pl=on:lma=on:afp=100000_0 on Vampire---4 for (2996ds/34Mi)
% 0.55/0.75  % (28614)lrs+21_1:5_sil=2000:sos=on:urr=on:newcnf=on:slsq=on:i=83:slsql=off:bd=off:nm=2:ss=axioms:st=1.5:sp=const_min:gsp=on:rawr=on_0 on Vampire---4 for (2996ds/83Mi)
% 0.55/0.75  % (28613)Refutation not found, incomplete strategy% (28613)------------------------------
% 0.55/0.75  % (28613)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28613)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28613)Memory used [KB]: 975
% 0.55/0.75  % (28613)Time elapsed: 0.002 s
% 0.55/0.75  % (28613)Instructions burned: 2 (million)
% 0.55/0.75  % (28610)Refutation not found, incomplete strategy% (28610)------------------------------
% 0.55/0.75  % (28610)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28610)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28610)Memory used [KB]: 989
% 0.55/0.75  % (28610)Time elapsed: 0.002 s
% 0.55/0.75  % (28610)Instructions burned: 2 (million)
% 0.55/0.75  % (28613)------------------------------
% 0.55/0.75  % (28613)------------------------------
% 0.55/0.75  % (28611)Refutation not found, incomplete strategy% (28611)------------------------------
% 0.55/0.75  % (28611)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28611)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28611)Memory used [KB]: 990
% 0.55/0.75  % (28611)Time elapsed: 0.002 s
% 0.55/0.75  % (28611)Instructions burned: 3 (million)
% 0.55/0.75  % (28610)------------------------------
% 0.55/0.75  % (28610)------------------------------
% 0.55/0.75  % (28612)Refutation not found, incomplete strategy% (28612)------------------------------
% 0.55/0.75  % (28612)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28612)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28612)Memory used [KB]: 983
% 0.55/0.75  % (28612)Time elapsed: 0.003 s
% 0.55/0.75  % (28612)Instructions burned: 3 (million)
% 0.55/0.75  % (28611)------------------------------
% 0.55/0.75  % (28611)------------------------------
% 0.55/0.75  % (28614)Refutation not found, incomplete strategy% (28614)------------------------------
% 0.55/0.75  % (28614)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28614)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28614)Memory used [KB]: 976
% 0.55/0.75  % (28614)Time elapsed: 0.003 s
% 0.55/0.75  % (28614)Instructions burned: 3 (million)
% 0.55/0.75  % (28612)------------------------------
% 0.55/0.75  % (28612)------------------------------
% 0.55/0.75  % (28614)------------------------------
% 0.55/0.75  % (28614)------------------------------
% 0.55/0.75  % (28615)lrs-21_1:1_to=lpo:sil=2000:sp=frequency:sos=on:lma=on:i=56:sd=2:ss=axioms:ep=R_0 on Vampire---4 for (2996ds/56Mi)
% 0.55/0.75  % (28615)Refutation not found, incomplete strategy% (28615)------------------------------
% 0.55/0.75  % (28615)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28615)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28615)Memory used [KB]: 975
% 0.55/0.75  % (28615)Time elapsed: 0.004 s
% 0.55/0.75  % (28615)Instructions burned: 2 (million)
% 0.55/0.75  % (28615)------------------------------
% 0.55/0.75  % (28615)------------------------------
% 0.55/0.75  % (28616)lrs+21_1:16_sil=2000:sp=occurrence:urr=on:flr=on:i=55:sd=1:nm=0:ins=3:ss=included:rawr=on:br=off_0 on Vampire---4 for (2996ds/55Mi)
% 0.55/0.75  % (28617)dis+3_25:4_sil=16000:sos=all:erd=off:i=50:s2at=4.0:bd=off:nm=60:sup=off:cond=on:av=off:ins=2:nwc=10.0:etr=on:to=lpo:s2agt=20:fd=off:bsr=unit_only:slsq=on:slsqr=28,19:awrs=converge:awrsf=500:tgt=ground:bs=unit_only_0 on Vampire---4 for (2996ds/50Mi)
% 0.55/0.75  % (28619)lrs-1011_1:1_sil=4000:plsq=on:plsqr=32,1:sp=frequency:plsql=on:nwc=10.0:i=52:aac=none:afr=on:ss=axioms:er=filter:sgt=16:rawr=on:etr=on:lma=on_0 on Vampire---4 for (2996ds/52Mi)
% 0.55/0.75  % (28620)lrs-1010_1:1_to=lpo:sil=2000:sp=reverse_arity:sos=on:urr=ec_only:i=518:sd=2:bd=off:ss=axioms:sgt=16_0 on Vampire---4 for (2996ds/518Mi)
% 0.55/0.75  % (28616)Refutation not found, incomplete strategy% (28616)------------------------------
% 0.55/0.75  % (28616)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28616)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28616)Memory used [KB]: 988
% 0.55/0.75  % (28616)Time elapsed: 0.002 s
% 0.55/0.75  % (28616)Instructions burned: 2 (million)
% 0.55/0.75  % (28619)Refutation not found, incomplete strategy% (28619)------------------------------
% 0.55/0.75  % (28619)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28616)------------------------------
% 0.55/0.75  % (28616)------------------------------
% 0.55/0.75  % (28619)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28619)Memory used [KB]: 988
% 0.55/0.75  % (28619)Time elapsed: 0.002 s
% 0.55/0.75  % (28619)Instructions burned: 2 (million)
% 0.55/0.75  % (28620)Refutation not found, incomplete strategy% (28620)------------------------------
% 0.55/0.75  % (28620)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.75  % (28620)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.75  
% 0.55/0.75  % (28620)Memory used [KB]: 989
% 0.55/0.75  % (28620)Time elapsed: 0.002 s
% 0.55/0.75  % (28620)Instructions burned: 2 (million)
% 0.55/0.75  % (28619)------------------------------
% 0.55/0.75  % (28619)------------------------------
% 0.55/0.75  % (28620)------------------------------
% 0.55/0.75  % (28620)------------------------------
% 0.55/0.76  % (28622)dis+1011_1258907:1048576_bsr=unit_only:to=lpo:drc=off:sil=2000:tgt=full:fde=none:sp=frequency:spb=goal:rnwc=on:nwc=6.70083:sac=on:newcnf=on:st=2:i=243:bs=unit_only:sd=3:afp=300:awrs=decay:awrsf=218:nm=16:ins=3:afq=3.76821:afr=on:ss=axioms:sgt=5:rawr=on:add=off:bsd=on_0 on Vampire---4 for (2996ds/243Mi)
% 0.55/0.76  % (28623)lrs+1011_2:9_sil=2000:lsd=10:newcnf=on:i=117:sd=2:awrs=decay:ss=included:amm=off:ep=R_0 on Vampire---4 for (2996ds/117Mi)
% 0.55/0.76  % (28608)Refutation not found, incomplete strategy% (28608)------------------------------
% 0.55/0.76  % (28608)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28618)lrs+1010_1:2_sil=4000:tgt=ground:nwc=10.0:st=2.0:i=208:sd=1:bd=off:ss=axioms_0 on Vampire---4 for (2996ds/208Mi)
% 0.55/0.76  % (28608)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.76  
% 0.55/0.76  % (28608)Memory used [KB]: 1171
% 0.55/0.76  % (28608)Time elapsed: 0.010 s
% 0.55/0.76  % (28608)Instructions burned: 35 (million)
% 0.55/0.76  % (28608)------------------------------
% 0.55/0.76  % (28608)------------------------------
% 0.55/0.76  % (28622)Refutation not found, incomplete strategy% (28622)------------------------------
% 0.55/0.76  % (28622)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28622)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.76  
% 0.55/0.76  % (28623)Refutation not found, incomplete strategy% (28623)------------------------------
% 0.55/0.76  % (28623)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28622)Memory used [KB]: 989
% 0.55/0.76  % (28622)Time elapsed: 0.002 s
% 0.55/0.76  % (28622)Instructions burned: 2 (million)
% 0.55/0.76  % (28623)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.76  
% 0.55/0.76  % (28623)Memory used [KB]: 987
% 0.55/0.76  % (28623)Time elapsed: 0.002 s
% 0.55/0.76  % (28623)Instructions burned: 2 (million)
% 0.55/0.76  % (28618)Refutation not found, incomplete strategy% (28618)------------------------------
% 0.55/0.76  % (28618)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28618)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.76  
% 0.55/0.76  % (28618)Memory used [KB]: 987
% 0.55/0.76  % (28618)Time elapsed: 0.002 s
% 0.55/0.76  % (28618)Instructions burned: 2 (million)
% 0.55/0.76  % (28622)------------------------------
% 0.55/0.76  % (28622)------------------------------
% 0.55/0.76  % (28623)------------------------------
% 0.55/0.76  % (28623)------------------------------
% 0.55/0.76  % (28618)------------------------------
% 0.55/0.76  % (28618)------------------------------
% 0.55/0.76  % (28621)lrs+1011_87677:1048576_sil=8000:sos=on:spb=non_intro:nwc=10.0:kmz=on:i=42:ep=RS:nm=0:ins=1:uhcvi=on:rawr=on:fde=unused:afp=2000:afq=1.444:plsq=on:nicw=on_0 on Vampire---4 for (2996ds/42Mi)
% 0.55/0.76  % (28624)dis+1011_11:1_sil=2000:avsq=on:i=143:avsqr=1,16:ep=RS:rawr=on:aac=none:lsd=100:mep=off:fde=none:newcnf=on:bsr=unit_only_0 on Vampire---4 for (2996ds/143Mi)
% 0.55/0.76  % (28625)lrs+1011_1:2_to=lpo:sil=8000:plsqc=1:plsq=on:plsqr=326,59:sp=weighted_frequency:plsql=on:nwc=10.0:newcnf=on:i=93:awrs=converge:awrsf=200:bd=off:ins=1:rawr=on:alpa=false:avsq=on:avsqr=1,16_0 on Vampire---4 for (2996ds/93Mi)
% 0.55/0.76  % (28621)Refutation not found, incomplete strategy% (28621)------------------------------
% 0.55/0.76  % (28621)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28621)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.76  
% 0.55/0.76  % (28621)Memory used [KB]: 980
% 0.55/0.76  % (28621)Time elapsed: 0.005 s
% 0.55/0.76  % (28621)Instructions burned: 2 (million)
% 0.55/0.76  % (28621)------------------------------
% 0.55/0.76  % (28621)------------------------------
% 0.55/0.76  % (28628)dis+1011_1:1_sil=16000:nwc=7.0:s2agt=64:s2a=on:i=1919:ss=axioms:sgt=8:lsd=50:sd=7_0 on Vampire---4 for (2996ds/1919Mi)
% 0.55/0.76  % (28627)lrs+21_2461:262144_anc=none:drc=off:sil=2000:sp=occurrence:nwc=6.0:updr=off:st=3.0:i=32:sd=2:afp=4000:erml=3:nm=14:afq=2.0:uhcvi=on:ss=included:er=filter:abs=on:nicw=on:ile=on:sims=off:s2a=on:s2agt=50:s2at=-1.0:plsq=on:plsql=on:plsqc=2:plsqr=1,32:newcnf=on:bd=off:to=lpo_0 on Vampire---4 for (2996ds/32Mi)
% 0.55/0.76  % (28628)Refutation not found, incomplete strategy% (28628)------------------------------
% 0.55/0.76  % (28628)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28628)Termination reason: Refutation not found, incomplete strategy
% 0.55/0.76  
% 0.55/0.76  % (28628)Memory used [KB]: 987
% 0.55/0.76  % (28628)Time elapsed: 0.002 s
% 0.55/0.76  % (28628)Instructions burned: 2 (million)
% 0.55/0.76  % (28625)First to succeed.
% 0.55/0.76  % (28628)------------------------------
% 0.55/0.76  % (28628)------------------------------
% 0.55/0.76  % (28625)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-28607"
% 0.55/0.76  % (28625)Refutation found. Thanks to Tanya!
% 0.55/0.76  % SZS status Unsatisfiable for Vampire---4
% 0.55/0.76  % SZS output start Proof for Vampire---4
% See solution above
% 0.55/0.76  % (28625)------------------------------
% 0.55/0.76  % (28625)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.55/0.76  % (28625)Termination reason: Refutation
% 0.55/0.76  
% 0.55/0.76  % (28625)Memory used [KB]: 1023
% 0.55/0.76  % (28625)Time elapsed: 0.003 s
% 0.55/0.76  % (28625)Instructions burned: 8 (million)
% 0.55/0.76  % (28607)Success in time 0.375 s
% 0.55/0.76  % Vampire---4.8 exiting
%------------------------------------------------------------------------------