%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWC100-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n003.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 02:39:57 PM UTC 2026
% Result : Unsatisfiable 0.07s 0.38s
% Output : CNFRefutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 37
% Syntax : Number of formulae : 121 ( 16 unt; 17 def)
% Number of atoms : 322 ( 61 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 381 ( 180 ~; 184 |; 0 &)
% ( 17 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 22 ( 20 usr; 18 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 6 con; 0-2 aty)
% Number of variables : 59 ( 59 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f60,axiom,
! [U] :
( frontsegP(U,nil)
| ~ ssList(U) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f83,axiom,
! [U] :
( frontsegP(nil,U)
| ~ ssList(U)
| nil != U ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f85,axiom,
! [U,V] :
( ssList(app(V,U))
| ~ ssList(V)
| ~ ssList(U) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f100,axiom,
! [U,V] :
( V = U
| neq(V,U)
| ~ ssList(V)
| ~ ssList(U) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f115,axiom,
! [U,V] :
( ~ ssList(U)
| ~ ssList(V)
| ~ neq(U,V)
| U != V ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f118,axiom,
! [U,V] :
( nil = U
| ~ ssList(U)
| ~ ssList(V)
| app(U,V) != nil ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f119,axiom,
! [U,V] :
( nil = V
| ~ ssList(U)
| ~ ssList(V)
| app(U,V) != nil ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f129,axiom,
! [U,V] :
( V = U
| ~ ssList(V)
| ~ ssList(U)
| ~ frontsegP(V,U)
| ~ frontsegP(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f137,axiom,
! [U,V,W] :
( frontsegP(app(U,W),V)
| ~ ssList(U)
| ~ ssList(V)
| ~ ssList(W)
| ~ frontsegP(U,V) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f144,axiom,
! [U,V,W] :
( frontsegP(W,U)
| ~ ssList(W)
| ~ ssList(U)
| ~ ssList(V)
| app(U,V) != W ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f188,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f190,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f191,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f192,negated_conjecture,
ssList(sk5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f193,negated_conjecture,
app(sk3,sk5) = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f196,negated_conjecture,
( nil != sk3
| nil = sk4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f197,negated_conjecture,
( neq(sk2,nil)
| nil = sk2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f198,negated_conjecture,
( ~ frontsegP(sk2,sk1)
| ~ neq(sk1,nil)
| nil = sk2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f199,negated_conjecture,
( neq(sk2,nil)
| nil != sk1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).
fof(f208,plain,
ssList(nil),
inference(cnf_transformation,[status(thm)],[f8]) ).
fof(f260,plain,
! [X0] :
( frontsegP(X0,nil)
| ~ ssList(X0) ),
inference(cnf_transformation,[status(thm)],[f60]) ).
fof(f284,plain,
! [X0] :
( frontsegP(nil,X0)
| ~ ssList(X0)
| nil != X0 ),
inference(cnf_transformation,[status(thm)],[f83]) ).
fof(f286,plain,
! [X0,X1] :
( ssList(app(X1,X0))
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[status(thm)],[f85]) ).
fof(f303,plain,
! [X0,X1] :
( X1 = X0
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[status(thm)],[f100]) ).
fof(f321,plain,
! [U] :
( ~ ssList(U)
| ! [V] :
( ~ ssList(V)
| ~ neq(U,V)
| U != V ) ),
inference(miniscoping,[status(thm)],[f115]) ).
fof(f322,plain,
! [X0,X1] :
( ~ ssList(X0)
| ~ ssList(X1)
| ~ neq(X0,X1)
| X0 != X1 ),
inference(cnf_transformation,[status(thm)],[f321]) ).
fof(f327,plain,
! [U] :
( nil = U
| ~ ssList(U)
| ! [V] :
( ~ ssList(V)
| app(U,V) != nil ) ),
inference(miniscoping,[status(thm)],[f118]) ).
fof(f328,plain,
! [X0,X1] :
( nil = X0
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != nil ),
inference(cnf_transformation,[status(thm)],[f327]) ).
fof(f329,plain,
! [V] :
( nil = V
| ! [U] :
( ~ ssList(U)
| ~ ssList(V)
| app(U,V) != nil ) ),
inference(miniscoping,[status(thm)],[f119]) ).
fof(f330,plain,
! [X0,X1] :
( nil = X1
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != nil ),
inference(cnf_transformation,[status(thm)],[f329]) ).
fof(f342,plain,
! [X0,X1] :
( X1 = X0
| ~ ssList(X1)
| ~ ssList(X0)
| ~ frontsegP(X1,X0)
| ~ frontsegP(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f129]) ).
fof(f352,plain,
! [X0,X1,X2] :
( frontsegP(app(X0,X2),X1)
| ~ ssList(X0)
| ~ ssList(X1)
| ~ ssList(X2)
| ~ frontsegP(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f137]) ).
fof(f360,plain,
! [U,W] :
( frontsegP(W,U)
| ~ ssList(W)
| ~ ssList(U)
| ! [V] :
( ~ ssList(V)
| app(U,V) != W ) ),
inference(miniscoping,[status(thm)],[f144]) ).
fof(f361,plain,
! [X0,X1,X2] :
( frontsegP(X2,X0)
| ~ ssList(X2)
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != X2 ),
inference(cnf_transformation,[status(thm)],[f360]) ).
fof(f433,plain,
ssList(sk3),
inference(cnf_transformation,[status(thm)],[f188]) ).
fof(f435,plain,
sk2 = sk4,
inference(cnf_transformation,[status(thm)],[f190]) ).
fof(f436,plain,
sk1 = sk3,
inference(cnf_transformation,[status(thm)],[f191]) ).
fof(f437,plain,
ssList(sk5),
inference(cnf_transformation,[status(thm)],[f192]) ).
fof(f438,plain,
app(sk3,sk5) = sk4,
inference(cnf_transformation,[status(thm)],[f193]) ).
fof(f442,plain,
( nil != sk3
| nil = sk4 ),
inference(cnf_transformation,[status(thm)],[f196]) ).
fof(f443,plain,
( neq(sk2,nil)
| nil = sk2 ),
inference(cnf_transformation,[status(thm)],[f197]) ).
fof(f444,plain,
( ~ frontsegP(sk2,sk1)
| ~ neq(sk1,nil)
| nil = sk2 ),
inference(cnf_transformation,[status(thm)],[f198]) ).
fof(f445,plain,
( neq(sk2,nil)
| nil != sk1 ),
inference(cnf_transformation,[status(thm)],[f199]) ).
fof(f454,definition,
( sQ2_spl
<=> nil = sk4 ),
introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).
fof(f455,plain,
( ~ sQ2_spl
| nil = sk4 ),
inference(component_clause,[status(thm)],[f454]) ).
fof(f457,definition,
( sQ3_spl
<=> nil = sk3 ),
introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).
fof(f460,plain,
( ~ sQ3_spl
| sQ2_spl ),
inference(split_clause,[status(thm)],[f442,f454,f457]) ).
fof(f461,definition,
( sQ4_spl
<=> nil = sk2 ),
introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition]) ).
fof(f462,plain,
( ~ sQ4_spl
| nil = sk2 ),
inference(component_clause,[status(thm)],[f461]) ).
fof(f464,definition,
( sQ5_spl
<=> neq(sk2,nil) ),
introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition]) ).
fof(f465,plain,
( ~ sQ5_spl
| neq(sk2,nil) ),
inference(component_clause,[status(thm)],[f464]) ).
fof(f467,plain,
( sQ5_spl
| sQ4_spl ),
inference(split_clause,[status(thm)],[f443,f461,f464]) ).
fof(f468,definition,
( sQ6_spl
<=> neq(sk1,nil) ),
introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).
fof(f470,plain,
( sQ6_spl
| ~ neq(sk1,nil) ),
inference(component_clause,[status(thm)],[f468]) ).
fof(f471,definition,
( sQ7_spl
<=> frontsegP(sk2,sk1) ),
introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).
fof(f473,plain,
( sQ7_spl
| ~ frontsegP(sk2,sk1) ),
inference(component_clause,[status(thm)],[f471]) ).
fof(f474,plain,
( ~ sQ7_spl
| ~ sQ6_spl
| sQ4_spl ),
inference(split_clause,[status(thm)],[f444,f461,f468,f471]) ).
fof(f475,definition,
( sQ8_spl
<=> nil = sk1 ),
introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).
fof(f477,plain,
( sQ8_spl
| nil != sk1 ),
inference(component_clause,[status(thm)],[f475]) ).
fof(f478,plain,
( sQ5_spl
| ~ sQ8_spl ),
inference(split_clause,[status(thm)],[f445,f475,f464]) ).
fof(f482,plain,
( frontsegP(nil,nil)
| ~ ssList(nil) ),
inference(destructive_equality_resolution,[status(thm)],[f284]) ).
fof(f487,plain,
! [X1] :
( ~ ssList(X1)
| ~ ssList(X1)
| ~ neq(X1,X1) ),
inference(destructive_equality_resolution,[status(thm)],[f322]) ).
fof(f488,plain,
! [X0] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(duplicate_literals_removal,[status(thm)],[f487]) ).
fof(f495,plain,
! [X0,X1] :
( frontsegP(app(X1,X0),X1)
| ~ ssList(app(X1,X0))
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(destructive_equality_resolution,[status(thm)],[f361]) ).
fof(f511,plain,
( sQ8_spl
| nil != sk3 ),
inference(forward_demodulation,[status(thm)],[f436,f477]) ).
fof(f515,plain,
( ~ sQ4_spl
| nil = sk4 ),
inference(forward_demodulation,[status(thm)],[f435,f462]) ).
fof(f536,definition,
( sQ9_spl
<=> ssList(sk4) ),
introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition]) ).
fof(f544,plain,
( ~ sQ5_spl
| neq(sk4,nil) ),
inference(forward_demodulation,[status(thm)],[f435,f465]) ).
fof(f545,plain,
( sQ7_spl
| ~ frontsegP(sk4,sk1) ),
inference(forward_demodulation,[status(thm)],[f435,f473]) ).
fof(f546,plain,
( sQ7_spl
| ~ frontsegP(sk4,sk3) ),
inference(forward_demodulation,[status(thm)],[f436,f545]) ).
fof(f547,plain,
( sQ6_spl
| ~ neq(sk3,nil) ),
inference(forward_demodulation,[status(thm)],[f436,f470]) ).
fof(f548,definition,
( sQ11_spl
<=> ssList(nil) ),
introduced(definition,[new_symbols(definition,[sQ11_spl])],[split_symbol_definition]) ).
fof(f550,plain,
( sQ11_spl
| ~ ssList(nil) ),
inference(component_clause,[status(thm)],[f548]) ).
fof(f551,definition,
( sQ12_spl
<=> frontsegP(nil,nil) ),
introduced(definition,[new_symbols(definition,[sQ12_spl])],[split_symbol_definition]) ).
fof(f552,plain,
( ~ sQ12_spl
| frontsegP(nil,nil) ),
inference(component_clause,[status(thm)],[f551]) ).
fof(f554,plain,
( sQ12_spl
| ~ sQ11_spl ),
inference(split_clause,[status(thm)],[f482,f548,f551]) ).
fof(f561,plain,
( ssList(sk4)
| ~ ssList(sk3)
| ~ ssList(sk5) ),
inference(paramodulation,[status(thm)],[f438,f286]) ).
fof(f562,definition,
( sQ13_spl
<=> ssList(sk5) ),
introduced(definition,[new_symbols(definition,[sQ13_spl])],[split_symbol_definition]) ).
fof(f564,plain,
( sQ13_spl
| ~ ssList(sk5) ),
inference(component_clause,[status(thm)],[f562]) ).
fof(f565,definition,
( sQ14_spl
<=> ssList(sk3) ),
introduced(definition,[new_symbols(definition,[sQ14_spl])],[split_symbol_definition]) ).
fof(f567,plain,
( sQ14_spl
| ~ ssList(sk3) ),
inference(component_clause,[status(thm)],[f565]) ).
fof(f568,plain,
( sQ9_spl
| ~ sQ14_spl
| ~ sQ13_spl ),
inference(split_clause,[status(thm)],[f561,f562,f565,f536]) ).
fof(f569,plain,
( sQ14_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f567,f433]) ).
fof(f570,plain,
sQ14_spl,
inference(contradiction_clause,[status(thm)],[f569]) ).
fof(f571,plain,
( sQ13_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f564,f437]) ).
fof(f572,plain,
sQ13_spl,
inference(contradiction_clause,[status(thm)],[f571]) ).
fof(f576,definition,
( sQ15_spl
<=> nil = nil ),
introduced(definition,[new_symbols(definition,[sQ15_spl])],[split_symbol_definition]) ).
fof(f582,plain,
( sQ11_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f550,f208]) ).
fof(f583,plain,
sQ11_spl,
inference(contradiction_clause,[status(thm)],[f582]) ).
fof(f592,plain,
( nil = sk3
| ~ ssList(sk3)
| ~ ssList(sk5)
| sk4 != nil ),
inference(paramodulation,[status(thm)],[f438,f328]) ).
fof(f595,plain,
( sQ3_spl
| ~ sQ14_spl
| ~ sQ13_spl
| ~ sQ2_spl ),
inference(split_clause,[status(thm)],[f592,f454,f562,f565,f457]) ).
fof(f598,plain,
( nil = sk5
| ~ ssList(sk3)
| ~ ssList(sk5)
| sk4 != nil ),
inference(paramodulation,[status(thm)],[f438,f330]) ).
fof(f601,definition,
( sQ16_spl
<=> nil = sk5 ),
introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).
fof(f602,plain,
( ~ sQ16_spl
| nil = sk5 ),
inference(component_clause,[status(thm)],[f601]) ).
fof(f604,plain,
( sQ16_spl
| ~ sQ14_spl
| ~ sQ13_spl
| ~ sQ2_spl ),
inference(split_clause,[status(thm)],[f598,f454,f562,f565,f601]) ).
fof(f605,plain,
( ~ sQ12_spl
| nil = nil
| ~ ssList(nil)
| ~ ssList(nil)
| ~ frontsegP(nil,nil) ),
inference(resolution,[status(thm)],[f342,f552]) ).
fof(f606,plain,
! [X0] :
( ~ ssList(X0)
| X0 = nil
| ~ ssList(X0)
| ~ ssList(nil)
| ~ frontsegP(nil,X0) ),
inference(resolution,[status(thm)],[f342,f260]) ).
fof(f608,plain,
( sQ15_spl
| ~ sQ11_spl
| ~ sQ12_spl ),
inference(split_clause,[status(thm)],[f605,f551,f548,f576]) ).
fof(f609,definition,
! [X0] :
( sQ17_spl
<=> ( ~ ssList(X0)
| X0 = nil
| ~ ssList(X0)
| ~ frontsegP(nil,X0) ) ),
introduced(definition,[new_symbols(definition,[sQ17_spl])],[split_symbol_definition]) ).
fof(f612,plain,
( ~ sQ11_spl
| sQ17_spl ),
inference(split_clause,[status(thm)],[f606,f609,f548]) ).
fof(f622,plain,
! [X0,X1] :
( frontsegP(app(X1,X0),X1)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(forward_subsumption_resolution,[status(thm)],[f495,f286]) ).
fof(f624,plain,
( frontsegP(sk4,sk3)
| ~ ssList(sk3)
| ~ ssList(sk5) ),
inference(paramodulation,[status(thm)],[f438,f622]) ).
fof(f627,definition,
( sQ20_spl
<=> frontsegP(sk4,sk3) ),
introduced(definition,[new_symbols(definition,[sQ20_spl])],[split_symbol_definition]) ).
fof(f628,plain,
( ~ sQ20_spl
| frontsegP(sk4,sk3) ),
inference(component_clause,[status(thm)],[f627]) ).
fof(f630,plain,
( sQ20_spl
| ~ sQ14_spl
| ~ sQ13_spl ),
inference(split_clause,[status(thm)],[f624,f562,f565,f627]) ).
fof(f631,plain,
( ~ sQ20_spl
| sQ7_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f628,f546]) ).
fof(f632,plain,
( ~ sQ20_spl
| sQ7_spl ),
inference(contradiction_clause,[status(thm)],[f631]) ).
fof(f636,plain,
( sQ6_spl
| sk3 = nil
| ~ ssList(sk3)
| ~ ssList(nil) ),
inference(resolution,[status(thm)],[f547,f303]) ).
fof(f644,plain,
( sQ6_spl
| sQ3_spl
| ~ sQ14_spl
| ~ sQ11_spl ),
inference(split_clause,[status(thm)],[f636,f548,f565,f457,f468]) ).
fof(f645,plain,
( ~ sQ4_spl
| sQ2_spl ),
inference(split_clause,[status(thm)],[f515,f454,f461]) ).
fof(f647,plain,
( sQ8_spl
| ~ sQ3_spl ),
inference(split_clause,[status(thm)],[f511,f457,f475]) ).
fof(f655,plain,
! [X0] :
( frontsegP(sk4,X0)
| ~ ssList(sk3)
| ~ ssList(X0)
| ~ ssList(sk5)
| ~ frontsegP(sk3,X0) ),
inference(paramodulation,[status(thm)],[f438,f352]) ).
fof(f658,definition,
! [X0] :
( sQ24_spl
<=> ( frontsegP(sk4,X0)
| ~ ssList(X0)
| ~ frontsegP(sk3,X0) ) ),
introduced(definition,[new_symbols(definition,[sQ24_spl])],[split_symbol_definition]) ).
fof(f661,plain,
( ~ sQ14_spl
| ~ sQ13_spl
| sQ24_spl ),
inference(split_clause,[status(thm)],[f655,f658,f562,f565]) ).
fof(f704,plain,
( ~ sQ2_spl
| ~ sQ16_spl
| sk5 = sk4 ),
inference(forward_demodulation,[status(thm)],[f602,f455]) ).
fof(f721,plain,
( ~ sQ5_spl
| ~ sQ2_spl
| ~ sQ16_spl
| neq(sk5,nil) ),
inference(forward_demodulation,[status(thm)],[f704,f544]) ).
fof(f722,plain,
( ~ sQ5_spl
| ~ sQ2_spl
| ~ sQ16_spl
| neq(sk5,sk5) ),
inference(forward_demodulation,[status(thm)],[f602,f721]) ).
fof(f724,plain,
( ~ sQ5_spl
| ~ sQ2_spl
| ~ sQ16_spl
| ~ ssList(sk5) ),
inference(resolution,[status(thm)],[f722,f488]) ).
fof(f725,plain,
( ~ sQ5_spl
| ~ sQ2_spl
| ~ sQ16_spl
| ~ sQ13_spl ),
inference(split_clause,[status(thm)],[f724,f562,f601,f454,f464]) ).
fof(f726,plain,
$false,
inference(sat_refutation,[status(thm)],[f460,f467,f474,f478,f554,f568,f570,f572,f583,f595,f604,f608,f612,f630,f632,f644,f645,f647,f661,f725]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC100-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : drodi -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.35 % Computer : n003.cluster.edu
% 0.07/0.35 % Model : x86_64 x86_64
% 0.07/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.35 % Memory : 8046.5625MB
% 0.07/0.35 % OS : Linux 6.8.0-71-generic
% 0.07/0.35 % CPULimit : 300
% 0.07/0.35 % WCLimit : 300
% 0.07/0.35 % DateTime : Mon Sep 21 07:57:16 UTC 2026
% 0.07/0.35 % CPUTime :
% 0.07/0.37 % Drodi V4.1.1
% 0.07/0.38 % Refutation found
% 0.07/0.38 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.07/0.38 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.12/0.41 % Elapsed time: 0.050918 seconds
% 0.12/0.41 % CPU time: 0.108084 seconds
% 0.12/0.41 % Total memory used: 24.406 MB
% 0.12/0.41 % Net memory used: 24.371 MB
%------------------------------------------------------------------------------