%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : NUM607+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n010.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 01:41:10 PM UTC 2026
% Result : Theorem 0.22s 0.98s
% Output : CNFRefutation 0.22s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 22
% Syntax : Number of formulae : 81 ( 16 unt; 12 def)
% Number of atoms : 287 ( 33 equ)
% Maximal formula atoms : 18 ( 3 avg)
% Number of connectives : 347 ( 141 ~; 142 |; 42 &)
% ( 16 <=>; 6 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 5 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 17 ( 15 usr; 11 prp; 0-2 aty)
% Number of functors : 14 ( 14 usr; 8 con; 0-3 aty)
% Number of variables : 85 ( 81 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f10,definition,
! [W0] :
( aSet0(W0)
=> ! [W1] :
( aSubsetOf0(W1,W0)
<=> ( ! [W2] :
( aElementOf0(W2,W1)
=> aElementOf0(W2,W0) )
& aSet0(W1) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f12,axiom,
! [W0] :
( aSet0(W0)
=> aSubsetOf0(W0,W0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f14,axiom,
! [W0,W1,W2] :
( ( aSet0(W2)
& aSet0(W1)
& aSet0(W0) )
=> ( ( aSubsetOf0(W1,W2)
& aSubsetOf0(W0,W1) )
=> aSubsetOf0(W0,W2) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f23,axiom,
( isCountable0(szNzAzT0)
& aSet0(szNzAzT0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f57,definition,
! [W0,W1] :
( ( aElementOf0(W1,szNzAzT0)
& aSet0(W0) )
=> ! [W2] :
( W2 = slbdtsldtrb0(W0,W1)
<=> ( ! [W3] :
( aElementOf0(W3,W2)
<=> ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) ) )
& aSet0(W2) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f74,hypothesis,
aElementOf0(xK,szNzAzT0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f75,hypothesis,
( isCountable0(xS)
& aSubsetOf0(xS,szNzAzT0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f76,hypothesis,
( aSubsetOf0(sdtlcdtrc0(xc,szDzozmdt0(xc)),xT)
& szDzozmdt0(xc) = slbdtsldtrb0(xS,xK)
& aFunction0(xc) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f98,hypothesis,
aSubsetOf0(xO,xS),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f99,hypothesis,
aElementOf0(xQ,slbdtsldtrb0(xO,xK)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f100,hypothesis,
( xQ != slcrc0
& aSubsetOf0(xQ,xO) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f102,conjecture,
aElementOf0(xQ,szDzozmdt0(xc)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f103,negated_conjecture,
~ aElementOf0(xQ,szDzozmdt0(xc)),
inference(negated_conjecture,[status(cth)],[f102]) ).
fof(f128,plain,
! [W0] :
( ! [W1] :
( aSubsetOf0(W1,W0)
<=> ( ! [W2] :
( aElementOf0(W2,W0)
| ~ aElementOf0(W2,W1) )
& aSet0(W1) ) )
| ~ aSet0(W0) ),
inference(pre_NNF_transformation,[status(thm)],[f10]) ).
fof(f129,plain,
! [W0] :
( ! [W1] :
( ( ? [W2] :
( ~ aElementOf0(W2,W0)
& aElementOf0(W2,W1) )
| ~ aSet0(W1)
| aSubsetOf0(W1,W0) )
& ( ( ! [W2] :
( aElementOf0(W2,W0)
| ~ aElementOf0(W2,W1) )
& aSet0(W1) )
| ~ aSubsetOf0(W1,W0) ) )
| ~ aSet0(W0) ),
inference(NNF_transformation,[status(thm)],[f128]) ).
fof(f130,plain,
! [W0] :
( ( ! [W1] :
( ? [W2] :
( ~ aElementOf0(W2,W0)
& aElementOf0(W2,W1) )
| ~ aSet0(W1)
| aSubsetOf0(W1,W0) )
& ! [W1] :
( ( ! [W2] :
( aElementOf0(W2,W0)
| ~ aElementOf0(W2,W1) )
& aSet0(W1) )
| ~ aSubsetOf0(W1,W0) ) )
| ~ aSet0(W0) ),
inference(miniscoping,[status(thm)],[f129]) ).
fof(f131,plain,
! [W0] :
( ( ! [W1] :
( ( ~ aElementOf0(sK1_skl(W1,W0),W0)
& aElementOf0(sK1_skl(W1,W0),W1) )
| ~ aSet0(W1)
| aSubsetOf0(W1,W0) )
& ! [W1] :
( ( ! [W2] :
( aElementOf0(W2,W0)
| ~ aElementOf0(W2,W1) )
& aSet0(W1) )
| ~ aSubsetOf0(W1,W0) ) )
| ~ aSet0(W0) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK1_skl]),skolemize(W2,sK1_skl(W1,W0))],[f130]) ).
fof(f132,plain,
! [X0,X1] :
( aSet0(X1)
| ~ aSubsetOf0(X1,X0)
| ~ aSet0(X0) ),
inference(cnf_transformation,[status(thm)],[f131]) ).
fof(f133,plain,
! [X0,X1,X2] :
( aElementOf0(X2,X0)
| ~ aElementOf0(X2,X1)
| ~ aSubsetOf0(X1,X0)
| ~ aSet0(X0) ),
inference(cnf_transformation,[status(thm)],[f131]) ).
fof(f138,plain,
! [W0] :
( aSubsetOf0(W0,W0)
| ~ aSet0(W0) ),
inference(pre_NNF_transformation,[status(thm)],[f12]) ).
fof(f139,plain,
! [X0] :
( aSubsetOf0(X0,X0)
| ~ aSet0(X0) ),
inference(cnf_transformation,[status(thm)],[f138]) ).
fof(f142,plain,
! [W0,W1,W2] :
( aSubsetOf0(W0,W2)
| ~ aSubsetOf0(W1,W2)
| ~ aSubsetOf0(W0,W1)
| ~ aSet0(W2)
| ~ aSet0(W1)
| ~ aSet0(W0) ),
inference(pre_NNF_transformation,[status(thm)],[f14]) ).
fof(f143,plain,
! [X0,X1,X2] :
( aSubsetOf0(X0,X2)
| ~ aSubsetOf0(X1,X2)
| ~ aSubsetOf0(X0,X1)
| ~ aSet0(X2)
| ~ aSet0(X1)
| ~ aSet0(X0) ),
inference(cnf_transformation,[status(thm)],[f142]) ).
fof(f180,plain,
aSet0(szNzAzT0),
inference(cnf_transformation,[status(thm)],[f23]) ).
fof(f285,plain,
! [W0,W1] :
( ! [W2] :
( W2 = slbdtsldtrb0(W0,W1)
<=> ( ! [W3] :
( aElementOf0(W3,W2)
<=> ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) ) )
& aSet0(W2) ) )
| ~ aElementOf0(W1,szNzAzT0)
| ~ aSet0(W0) ),
inference(pre_NNF_transformation,[status(thm)],[f57]) ).
fof(f286,plain,
! [W0,W1] :
( ! [W2] :
( ( ? [W3] :
( ( ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) )
| aElementOf0(W3,W2) )
& ( sbrdtbr0(W3) != W1
| ~ aSubsetOf0(W3,W0)
| ~ aElementOf0(W3,W2) ) )
| ~ aSet0(W2)
| W2 = slbdtsldtrb0(W0,W1) )
& ( ( ! [W3] :
( ( sbrdtbr0(W3) != W1
| ~ aSubsetOf0(W3,W0)
| aElementOf0(W3,W2) )
& ( ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) )
| ~ aElementOf0(W3,W2) ) )
& aSet0(W2) )
| W2 != slbdtsldtrb0(W0,W1) ) )
| ~ aElementOf0(W1,szNzAzT0)
| ~ aSet0(W0) ),
inference(NNF_transformation,[status(thm)],[f285]) ).
fof(f287,plain,
! [W0,W1] :
( ( ! [W2] :
( ? [W3] :
( ( ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) )
| aElementOf0(W3,W2) )
& ( sbrdtbr0(W3) != W1
| ~ aSubsetOf0(W3,W0)
| ~ aElementOf0(W3,W2) ) )
| ~ aSet0(W2)
| W2 = slbdtsldtrb0(W0,W1) )
& ! [W2] :
( ( ! [W3] :
( sbrdtbr0(W3) != W1
| ~ aSubsetOf0(W3,W0)
| aElementOf0(W3,W2) )
& ! [W3] :
( ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) )
| ~ aElementOf0(W3,W2) )
& aSet0(W2) )
| W2 != slbdtsldtrb0(W0,W1) ) )
| ~ aElementOf0(W1,szNzAzT0)
| ~ aSet0(W0) ),
inference(miniscoping,[status(thm)],[f286]) ).
fof(f288,plain,
! [W0,W1] :
( ( ! [W2] :
( ( ( ( sbrdtbr0(sK10_skl(W2,W1,W0)) = W1
& aSubsetOf0(sK10_skl(W2,W1,W0),W0) )
| aElementOf0(sK10_skl(W2,W1,W0),W2) )
& ( sbrdtbr0(sK10_skl(W2,W1,W0)) != W1
| ~ aSubsetOf0(sK10_skl(W2,W1,W0),W0)
| ~ aElementOf0(sK10_skl(W2,W1,W0),W2) ) )
| ~ aSet0(W2)
| W2 = slbdtsldtrb0(W0,W1) )
& ! [W2] :
( ( ! [W3] :
( sbrdtbr0(W3) != W1
| ~ aSubsetOf0(W3,W0)
| aElementOf0(W3,W2) )
& ! [W3] :
( ( sbrdtbr0(W3) = W1
& aSubsetOf0(W3,W0) )
| ~ aElementOf0(W3,W2) )
& aSet0(W2) )
| W2 != slbdtsldtrb0(W0,W1) ) )
| ~ aElementOf0(W1,szNzAzT0)
| ~ aSet0(W0) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK10_skl]),skolemize(W3,sK10_skl(W2,W1,W0))],[f287]) ).
fof(f291,plain,
! [X0,X1,X2,X3] :
( sbrdtbr0(X3) = X1
| ~ aElementOf0(X3,X2)
| X2 != slbdtsldtrb0(X0,X1)
| ~ aElementOf0(X1,szNzAzT0)
| ~ aSet0(X0) ),
inference(cnf_transformation,[status(thm)],[f288]) ).
fof(f292,plain,
! [X0,X1,X2,X3] :
( sbrdtbr0(X3) != X1
| ~ aSubsetOf0(X3,X0)
| aElementOf0(X3,X2)
| X2 != slbdtsldtrb0(X0,X1)
| ~ aElementOf0(X1,szNzAzT0)
| ~ aSet0(X0) ),
inference(cnf_transformation,[status(thm)],[f288]) ).
fof(f362,plain,
aElementOf0(xK,szNzAzT0),
inference(cnf_transformation,[status(thm)],[f74]) ).
fof(f363,plain,
aSubsetOf0(xS,szNzAzT0),
inference(cnf_transformation,[status(thm)],[f75]) ).
fof(f366,plain,
szDzozmdt0(xc) = slbdtsldtrb0(xS,xK),
inference(cnf_transformation,[status(thm)],[f76]) ).
fof(f433,plain,
aSubsetOf0(xO,xS),
inference(cnf_transformation,[status(thm)],[f98]) ).
fof(f434,plain,
aElementOf0(xQ,slbdtsldtrb0(xO,xK)),
inference(cnf_transformation,[status(thm)],[f99]) ).
fof(f435,plain,
aSubsetOf0(xQ,xO),
inference(cnf_transformation,[status(thm)],[f100]) ).
fof(f438,plain,
~ aElementOf0(xQ,szDzozmdt0(xc)),
inference(cnf_transformation,[status(thm)],[f103]) ).
fof(f470,plain,
! [X0,X1,X2] :
( sbrdtbr0(X2) = X1
| ~ aElementOf0(X2,slbdtsldtrb0(X0,X1))
| ~ aElementOf0(X1,szNzAzT0)
| ~ aSet0(X0) ),
inference(destructive_equality_resolution,[status(thm)],[f291]) ).
fof(f471,plain,
! [X0,X1] :
( ~ aSubsetOf0(X1,X0)
| aElementOf0(X1,slbdtsldtrb0(X0,sbrdtbr0(X1)))
| ~ aElementOf0(sbrdtbr0(X1),szNzAzT0)
| ~ aSet0(X0) ),
inference(destructive_equality_resolution,[status(thm)],[f292]) ).
fof(f495,definition,
( sQ2_spl
<=> aSet0(szNzAzT0) ),
introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).
fof(f497,plain,
( sQ2_spl
| ~ aSet0(szNzAzT0) ),
inference(component_clause,[status(thm)],[f495]) ).
fof(f502,plain,
( sQ2_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f497,f180]) ).
fof(f503,plain,
sQ2_spl,
inference(contradiction_clause,[status(thm)],[f502]) ).
fof(f570,definition,
( sQ18_spl
<=> aSet0(xO) ),
introduced(definition,[new_symbols(definition,[sQ18_spl])],[split_symbol_definition]) ).
fof(f592,plain,
( aSet0(xS)
| ~ aSet0(szNzAzT0) ),
inference(resolution,[status(thm)],[f363,f132]) ).
fof(f593,definition,
( sQ23_spl
<=> aSet0(xS) ),
introduced(definition,[new_symbols(definition,[sQ23_spl])],[split_symbol_definition]) ).
fof(f596,plain,
( sQ23_spl
| ~ sQ2_spl ),
inference(split_clause,[status(thm)],[f592,f495,f593]) ).
fof(f614,plain,
! [X0] :
( aElementOf0(xK,X0)
| ~ aSubsetOf0(szNzAzT0,X0)
| ~ aSet0(X0) ),
inference(resolution,[status(thm)],[f133,f362]) ).
fof(f618,plain,
( aSet0(xO)
| ~ aSet0(xS) ),
inference(resolution,[status(thm)],[f433,f132]) ).
fof(f619,plain,
( sQ18_spl
| ~ sQ23_spl ),
inference(split_clause,[status(thm)],[f618,f593,f570]) ).
fof(f797,plain,
! [X0,X1,X2] :
( aSubsetOf0(X2,X1)
| ~ aSubsetOf0(X0,X1)
| ~ aSubsetOf0(X2,X0)
| ~ aSet0(X1)
| ~ aSet0(X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f143,f132]) ).
fof(f803,plain,
! [X0] :
( aSubsetOf0(xQ,X0)
| ~ aSubsetOf0(xO,X0)
| ~ aSet0(X0)
| ~ aSet0(xO) ),
inference(resolution,[status(thm)],[f797,f435]) ).
fof(f822,definition,
! [X0] :
( sQ57_spl
<=> ( aSubsetOf0(xQ,X0)
| ~ aSubsetOf0(xO,X0)
| ~ aSet0(X0) ) ),
introduced(definition,[new_symbols(definition,[sQ57_spl])],[split_symbol_definition]) ).
fof(f823,plain,
! [X0] :
( ~ sQ57_spl
| aSubsetOf0(xQ,X0)
| ~ aSubsetOf0(xO,X0)
| ~ aSet0(X0) ),
inference(component_clause,[status(thm)],[f822]) ).
fof(f825,plain,
( sQ57_spl
| ~ sQ18_spl ),
inference(split_clause,[status(thm)],[f803,f570,f822]) ).
fof(f826,plain,
( ~ sQ57_spl
| aSubsetOf0(xQ,xS)
| ~ aSet0(xS) ),
inference(resolution,[status(thm)],[f823,f433]) ).
fof(f828,definition,
( sQ58_spl
<=> aSubsetOf0(xQ,xS) ),
introduced(definition,[new_symbols(definition,[sQ58_spl])],[split_symbol_definition]) ).
fof(f831,plain,
( ~ sQ57_spl
| sQ58_spl
| ~ sQ23_spl ),
inference(split_clause,[status(thm)],[f826,f593,f828,f822]) ).
fof(f1552,definition,
( sQ126_spl
<=> aElementOf0(xK,szNzAzT0) ),
introduced(definition,[new_symbols(definition,[sQ126_spl])],[split_symbol_definition]) ).
fof(f2034,plain,
( ~ aSet0(szNzAzT0)
| aElementOf0(xK,szNzAzT0)
| ~ aSet0(szNzAzT0) ),
inference(resolution,[status(thm)],[f614,f139]) ).
fof(f2035,plain,
( sQ126_spl
| ~ sQ2_spl ),
inference(split_clause,[status(thm)],[f2034,f495,f1552]) ).
fof(f4787,plain,
( sbrdtbr0(xQ) = xK
| ~ aElementOf0(xK,szNzAzT0)
| ~ aSet0(xO) ),
inference(resolution,[status(thm)],[f470,f434]) ).
fof(f4791,definition,
( sQ432_spl
<=> sbrdtbr0(xQ) = xK ),
introduced(definition,[new_symbols(definition,[sQ432_spl])],[split_symbol_definition]) ).
fof(f4792,plain,
( ~ sQ432_spl
| sbrdtbr0(xQ) = xK ),
inference(component_clause,[status(thm)],[f4791]) ).
fof(f4794,plain,
( sQ432_spl
| ~ sQ126_spl
| ~ sQ18_spl ),
inference(split_clause,[status(thm)],[f4787,f570,f1552,f4791]) ).
fof(f4804,plain,
! [X0] :
( ~ sQ432_spl
| ~ aSubsetOf0(xQ,X0)
| aElementOf0(xQ,slbdtsldtrb0(X0,xK))
| ~ aElementOf0(sbrdtbr0(xQ),szNzAzT0)
| ~ aSet0(X0) ),
inference(paramodulation,[status(thm)],[f4792,f471]) ).
fof(f4818,definition,
! [X0] :
( sQ434_spl
<=> ( ~ aSubsetOf0(xQ,X0)
| aElementOf0(xQ,slbdtsldtrb0(X0,xK))
| ~ aSet0(X0) ) ),
introduced(definition,[new_symbols(definition,[sQ434_spl])],[split_symbol_definition]) ).
fof(f4819,plain,
! [X0] :
( ~ sQ434_spl
| ~ aSubsetOf0(xQ,X0)
| aElementOf0(xQ,slbdtsldtrb0(X0,xK))
| ~ aSet0(X0) ),
inference(component_clause,[status(thm)],[f4818]) ).
fof(f4821,definition,
( sQ435_spl
<=> aElementOf0(sbrdtbr0(xQ),szNzAzT0) ),
introduced(definition,[new_symbols(definition,[sQ435_spl])],[split_symbol_definition]) ).
fof(f4823,plain,
( sQ435_spl
| ~ aElementOf0(sbrdtbr0(xQ),szNzAzT0) ),
inference(component_clause,[status(thm)],[f4821]) ).
fof(f4824,plain,
( ~ sQ432_spl
| ~ sQ435_spl
| sQ434_spl ),
inference(split_clause,[status(thm)],[f4804,f4818,f4821,f4791]) ).
fof(f4960,plain,
( ~ sQ434_spl
| ~ aSubsetOf0(xQ,xS)
| aElementOf0(xQ,szDzozmdt0(xc))
| ~ aSet0(xS) ),
inference(paramodulation,[status(thm)],[f366,f4819]) ).
fof(f4973,definition,
( sQ458_spl
<=> aElementOf0(xQ,szDzozmdt0(xc)) ),
introduced(definition,[new_symbols(definition,[sQ458_spl])],[split_symbol_definition]) ).
fof(f4974,plain,
( ~ sQ458_spl
| aElementOf0(xQ,szDzozmdt0(xc)) ),
inference(component_clause,[status(thm)],[f4973]) ).
fof(f4976,plain,
( ~ sQ434_spl
| ~ sQ58_spl
| sQ458_spl
| ~ sQ23_spl ),
inference(split_clause,[status(thm)],[f4960,f593,f4973,f828,f4818]) ).
fof(f4977,plain,
( ~ sQ458_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f4974,f438]) ).
fof(f4978,plain,
~ sQ458_spl,
inference(contradiction_clause,[status(thm)],[f4977]) ).
fof(f4979,plain,
( sQ435_spl
| ~ sQ432_spl
| ~ aElementOf0(xK,szNzAzT0) ),
inference(forward_demodulation,[status(thm)],[f4792,f4823]) ).
fof(f4980,plain,
( sQ435_spl
| ~ sQ432_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f4979,f362]) ).
fof(f4981,plain,
( sQ435_spl
| ~ sQ432_spl ),
inference(contradiction_clause,[status(thm)],[f4980]) ).
fof(f4982,plain,
$false,
inference(sat_refutation,[status(thm)],[f503,f596,f619,f825,f831,f2035,f4794,f4824,f4976,f4978,f4981]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUM607+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.51 % Computer : n010.cluster.edu
% 0.08/0.51 % Model : x86_64 x86_64
% 0.08/0.51 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.51 % Memory : 8046.5625MB
% 0.08/0.51 % OS : Linux 6.8.0-71-generic
% 0.08/0.51 % CPULimit : 300
% 0.08/0.51 % WCLimit : 300
% 0.08/0.51 % DateTime : Mon Sep 21 02:44:55 UTC 2026
% 0.08/0.51 % CPUTime :
% 0.08/0.53 % Drodi V4.1.1
% 0.22/0.98 % Refutation found
% 0.22/0.98 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.22/0.98 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.22/1.02 % Elapsed time: 0.487833 seconds
% 0.22/1.02 % CPU time: 3.578298 seconds
% 0.22/1.02 % Total memory used: 157.397 MB
% 0.22/1.02 % Net memory used: 152.666 MB
%------------------------------------------------------------------------------