%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWC218-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n008.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 02:40:26 PM UTC 2026
% Result : Unsatisfiable 0.17s 5.48s
% Output : CNFRefutation 0.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 31
% Syntax : Number of formulae : 124 ( 22 unt; 16 def)
% Number of atoms : 341 ( 63 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 416 ( 199 ~; 201 |; 0 &)
% ( 16 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 4 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 21 ( 19 usr; 17 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 7 con; 0-2 aty)
% Number of variables : 39 ( 39 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f74,axiom,
! [U] :
( app(nil,U) = U
| ~ ssList(U) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f85,axiom,
! [U,V] :
( ssList(app(V,U))
| ~ ssList(V)
| ~ ssList(U) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f86,axiom,
! [U,V] :
( ssList(cons(U,V))
| ~ ssList(V)
| ~ ssItem(U) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f99,axiom,
! [U,V] :
( ~ ssList(V)
| ~ ssItem(U)
| cons(U,V) != V ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f100,axiom,
! [U,V] :
( V = U
| neq(V,U)
| ~ ssList(V)
| ~ ssList(U) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f118,axiom,
! [U,V] :
( nil = U
| ~ ssList(U)
| ~ ssList(V)
| app(U,V) != nil ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f119,axiom,
! [U,V] :
( nil = V
| ~ ssList(U)
| ~ ssList(V)
| app(U,V) != nil ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f191,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f192,negated_conjecture,
ssList(sk5),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f193,negated_conjecture,
ssList(sk6),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f194,negated_conjecture,
app(sk5,sk6) = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f195,negated_conjecture,
ssItem(sk7),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f196,negated_conjecture,
app(app(sk5,cons(sk7,nil)),sk6) = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f197,negated_conjecture,
~ neq(sk1,nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f205,plain,
ssList(nil),
inference(cnf_transformation,[status(thm)],[f8]) ).
fof(f272,plain,
! [X0] :
( app(nil,X0) = X0
| ~ ssList(X0) ),
inference(cnf_transformation,[status(thm)],[f74]) ).
fof(f283,plain,
! [X0,X1] :
( ssList(app(X1,X0))
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[status(thm)],[f85]) ).
fof(f284,plain,
! [X0,X1] :
( ssList(cons(X0,X1))
| ~ ssList(X1)
| ~ ssItem(X0) ),
inference(cnf_transformation,[status(thm)],[f86]) ).
fof(f298,plain,
! [V] :
( ~ ssList(V)
| ! [U] :
( ~ ssItem(U)
| cons(U,V) != V ) ),
inference(miniscoping,[status(thm)],[f99]) ).
fof(f299,plain,
! [X0,X1] :
( ~ ssList(X1)
| ~ ssItem(X0)
| cons(X0,X1) != X1 ),
inference(cnf_transformation,[status(thm)],[f298]) ).
fof(f300,plain,
! [X0,X1] :
( X1 = X0
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[status(thm)],[f100]) ).
fof(f324,plain,
! [U] :
( nil = U
| ~ ssList(U)
| ! [V] :
( ~ ssList(V)
| app(U,V) != nil ) ),
inference(miniscoping,[status(thm)],[f118]) ).
fof(f325,plain,
! [X0,X1] :
( nil = X0
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != nil ),
inference(cnf_transformation,[status(thm)],[f324]) ).
fof(f326,plain,
! [V] :
( nil = V
| ! [U] :
( ~ ssList(U)
| ~ ssList(V)
| app(U,V) != nil ) ),
inference(miniscoping,[status(thm)],[f119]) ).
fof(f327,plain,
! [X0,X1] :
( nil = X1
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != nil ),
inference(cnf_transformation,[status(thm)],[f326]) ).
fof(f433,plain,
sk1 = sk3,
inference(cnf_transformation,[status(thm)],[f191]) ).
fof(f434,plain,
ssList(sk5),
inference(cnf_transformation,[status(thm)],[f192]) ).
fof(f435,plain,
ssList(sk6),
inference(cnf_transformation,[status(thm)],[f193]) ).
fof(f436,plain,
app(sk5,sk6) = sk4,
inference(cnf_transformation,[status(thm)],[f194]) ).
fof(f437,plain,
ssItem(sk7),
inference(cnf_transformation,[status(thm)],[f195]) ).
fof(f438,plain,
app(app(sk5,cons(sk7,nil)),sk6) = sk3,
inference(cnf_transformation,[status(thm)],[f196]) ).
fof(f439,plain,
~ neq(sk1,nil),
inference(cnf_transformation,[status(thm)],[f197]) ).
fof(f478,plain,
~ neq(sk3,nil),
inference(forward_demodulation,[status(thm)],[f433,f439]) ).
fof(f480,definition,
( sQ2_spl
<=> ssList(sk6) ),
introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).
fof(f482,plain,
( sQ2_spl
| ~ ssList(sk6) ),
inference(component_clause,[status(thm)],[f480]) ).
fof(f483,definition,
( sQ3_spl
<=> ssList(sk5) ),
introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).
fof(f485,plain,
( sQ3_spl
| ~ ssList(sk5) ),
inference(component_clause,[status(thm)],[f483]) ).
fof(f490,plain,
( ssList(sk3)
| ~ ssList(app(sk5,cons(sk7,nil)))
| ~ ssList(sk6) ),
inference(paramodulation,[status(thm)],[f438,f283]) ).
fof(f491,definition,
( sQ5_spl
<=> ssList(app(sk5,cons(sk7,nil))) ),
introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition]) ).
fof(f492,plain,
( ~ sQ5_spl
| ssList(app(sk5,cons(sk7,nil))) ),
inference(component_clause,[status(thm)],[f491]) ).
fof(f493,plain,
( sQ5_spl
| ~ ssList(app(sk5,cons(sk7,nil))) ),
inference(component_clause,[status(thm)],[f491]) ).
fof(f494,definition,
( sQ6_spl
<=> ssList(sk3) ),
introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).
fof(f497,plain,
( sQ6_spl
| ~ sQ5_spl
| ~ sQ2_spl ),
inference(split_clause,[status(thm)],[f490,f480,f491,f494]) ).
fof(f498,plain,
( sQ2_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f482,f435]) ).
fof(f499,plain,
sQ2_spl,
inference(contradiction_clause,[status(thm)],[f498]) ).
fof(f500,plain,
( sQ3_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f485,f434]) ).
fof(f501,plain,
sQ3_spl,
inference(contradiction_clause,[status(thm)],[f500]) ).
fof(f502,plain,
( sQ5_spl
| ~ ssList(sk5)
| ~ ssList(cons(sk7,nil)) ),
inference(resolution,[status(thm)],[f493,f283]) ).
fof(f503,definition,
( sQ7_spl
<=> ssList(cons(sk7,nil)) ),
introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).
fof(f504,plain,
( ~ sQ7_spl
| ssList(cons(sk7,nil)) ),
inference(component_clause,[status(thm)],[f503]) ).
fof(f505,plain,
( sQ7_spl
| ~ ssList(cons(sk7,nil)) ),
inference(component_clause,[status(thm)],[f503]) ).
fof(f506,plain,
( sQ5_spl
| ~ sQ3_spl
| ~ sQ7_spl ),
inference(split_clause,[status(thm)],[f502,f503,f483,f491]) ).
fof(f507,plain,
( sQ7_spl
| ~ ssList(nil)
| ~ ssItem(sk7) ),
inference(resolution,[status(thm)],[f505,f284]) ).
fof(f508,definition,
( sQ8_spl
<=> ssItem(sk7) ),
introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).
fof(f510,plain,
( sQ8_spl
| ~ ssItem(sk7) ),
inference(component_clause,[status(thm)],[f508]) ).
fof(f511,definition,
( sQ9_spl
<=> ssList(nil) ),
introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition]) ).
fof(f513,plain,
( sQ9_spl
| ~ ssList(nil) ),
inference(component_clause,[status(thm)],[f511]) ).
fof(f514,plain,
( sQ7_spl
| ~ sQ9_spl
| ~ sQ8_spl ),
inference(split_clause,[status(thm)],[f507,f508,f511,f503]) ).
fof(f515,plain,
( sQ8_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f510,f437]) ).
fof(f516,plain,
sQ8_spl,
inference(contradiction_clause,[status(thm)],[f515]) ).
fof(f517,plain,
( sQ9_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f513,f205]) ).
fof(f518,plain,
sQ9_spl,
inference(contradiction_clause,[status(thm)],[f517]) ).
fof(f519,plain,
( sk3 = nil
| ~ ssList(sk3)
| ~ ssList(nil) ),
inference(resolution,[status(thm)],[f300,f478]) ).
fof(f522,definition,
( sQ10_spl
<=> sk3 = nil ),
introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition]) ).
fof(f523,plain,
( ~ sQ10_spl
| sk3 = nil ),
inference(component_clause,[status(thm)],[f522]) ).
fof(f525,plain,
( sQ10_spl
| ~ sQ6_spl
| ~ sQ9_spl ),
inference(split_clause,[status(thm)],[f519,f511,f494,f522]) ).
fof(f527,plain,
( ~ sQ5_spl
| ~ sQ10_spl
| ssList(app(sk5,cons(sk7,sk3))) ),
inference(backward_demodulation,[status(thm)],[f523,f492]) ).
fof(f528,plain,
( ~ sQ7_spl
| ~ sQ10_spl
| ssList(cons(sk7,sk3)) ),
inference(backward_demodulation,[status(thm)],[f523,f504]) ).
fof(f529,plain,
( ~ sQ10_spl
| app(app(sk5,cons(sk7,sk3)),sk6) = sk3 ),
inference(backward_demodulation,[status(thm)],[f523,f438]) ).
fof(f538,plain,
! [X0] :
( ~ sQ10_spl
| app(sk3,X0) = X0
| ~ ssList(X0) ),
inference(backward_demodulation,[status(thm)],[f523,f272]) ).
fof(f544,plain,
! [X0,X1] :
( ~ sQ10_spl
| nil = X0
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != sk3 ),
inference(forward_demodulation,[status(thm)],[f523,f325]) ).
fof(f545,plain,
! [X0,X1] :
( ~ sQ10_spl
| sk3 = X0
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != sk3 ),
inference(forward_demodulation,[status(thm)],[f523,f544]) ).
fof(f550,definition,
( sQ12_spl
<=> sk3 = sk5 ),
introduced(definition,[new_symbols(definition,[sQ12_spl])],[split_symbol_definition]) ).
fof(f551,plain,
( ~ sQ12_spl
| sk3 = sk5 ),
inference(component_clause,[status(thm)],[f550]) ).
fof(f568,plain,
( ~ sQ10_spl
| sk3 = app(sk5,cons(sk7,sk3))
| ~ ssList(app(sk5,cons(sk7,sk3)))
| ~ ssList(sk6) ),
inference(resolution,[status(thm)],[f529,f545]) ).
fof(f571,definition,
( sQ15_spl
<=> ssList(app(sk5,cons(sk7,sk3))) ),
introduced(definition,[new_symbols(definition,[sQ15_spl])],[split_symbol_definition]) ).
fof(f573,plain,
( sQ15_spl
| ~ ssList(app(sk5,cons(sk7,sk3))) ),
inference(component_clause,[status(thm)],[f571]) ).
fof(f574,definition,
( sQ16_spl
<=> sk3 = app(sk5,cons(sk7,sk3)) ),
introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).
fof(f575,plain,
( ~ sQ16_spl
| sk3 = app(sk5,cons(sk7,sk3)) ),
inference(component_clause,[status(thm)],[f574]) ).
fof(f577,plain,
( ~ sQ10_spl
| sQ16_spl
| ~ sQ15_spl
| ~ sQ2_spl ),
inference(split_clause,[status(thm)],[f568,f480,f571,f574,f522]) ).
fof(f584,plain,
( sQ15_spl
| ~ sQ5_spl
| ~ sQ10_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f573,f527]) ).
fof(f585,plain,
( sQ15_spl
| ~ sQ5_spl
| ~ sQ10_spl ),
inference(contradiction_clause,[status(thm)],[f584]) ).
fof(f587,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| app(sk3,sk6) = sk3 ),
inference(backward_demodulation,[status(thm)],[f575,f529]) ).
fof(f588,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| sk3 = sk5
| ~ ssList(sk5)
| ~ ssList(cons(sk7,sk3)) ),
inference(resolution,[status(thm)],[f575,f545]) ).
fof(f591,definition,
( sQ17_spl
<=> ssList(cons(sk7,sk3)) ),
introduced(definition,[new_symbols(definition,[sQ17_spl])],[split_symbol_definition]) ).
fof(f593,plain,
( sQ17_spl
| ~ ssList(cons(sk7,sk3)) ),
inference(component_clause,[status(thm)],[f591]) ).
fof(f594,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| sQ12_spl
| ~ sQ3_spl
| ~ sQ17_spl ),
inference(split_clause,[status(thm)],[f588,f591,f483,f550,f574,f522]) ).
fof(f597,plain,
( sQ17_spl
| ~ sQ7_spl
| ~ sQ10_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f593,f528]) ).
fof(f598,plain,
( sQ17_spl
| ~ sQ7_spl
| ~ sQ10_spl ),
inference(contradiction_clause,[status(thm)],[f597]) ).
fof(f599,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| sk3 = app(sk5,cons(sk7,sk5)) ),
inference(backward_demodulation,[status(thm)],[f551,f575]) ).
fof(f602,plain,
! [X0] :
( ~ sQ10_spl
| ~ sQ12_spl
| app(sk5,X0) = X0
| ~ ssList(X0) ),
inference(backward_demodulation,[status(thm)],[f551,f538]) ).
fof(f603,plain,
( ~ sQ7_spl
| ~ sQ10_spl
| ~ sQ12_spl
| ssList(cons(sk7,sk5)) ),
inference(backward_demodulation,[status(thm)],[f551,f528]) ).
fof(f614,plain,
( ~ sQ10_spl
| ~ sQ12_spl
| sk5 = nil ),
inference(backward_demodulation,[status(thm)],[f551,f523]) ).
fof(f617,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| sk5 = app(sk5,cons(sk7,sk5)) ),
inference(forward_demodulation,[status(thm)],[f551,f599]) ).
fof(f620,plain,
( nil = sk6
| ~ ssList(sk5)
| ~ ssList(sk6)
| sk4 != nil ),
inference(paramodulation,[status(thm)],[f436,f327]) ).
fof(f621,definition,
( sQ18_spl
<=> sk4 = nil ),
introduced(definition,[new_symbols(definition,[sQ18_spl])],[split_symbol_definition]) ).
fof(f623,plain,
( sQ18_spl
| sk4 != nil ),
inference(component_clause,[status(thm)],[f621]) ).
fof(f624,definition,
( sQ19_spl
<=> nil = sk6 ),
introduced(definition,[new_symbols(definition,[sQ19_spl])],[split_symbol_definition]) ).
fof(f625,plain,
( ~ sQ19_spl
| nil = sk6 ),
inference(component_clause,[status(thm)],[f624]) ).
fof(f627,plain,
( sQ19_spl
| ~ sQ3_spl
| ~ sQ2_spl
| ~ sQ18_spl ),
inference(split_clause,[status(thm)],[f620,f621,f480,f483,f624]) ).
fof(f631,plain,
( sQ18_spl
| ~ sQ10_spl
| ~ sQ12_spl
| sk4 != sk5 ),
inference(forward_demodulation,[status(thm)],[f614,f623]) ).
fof(f642,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| ~ sQ12_spl
| app(sk5,sk6) = sk3 ),
inference(forward_demodulation,[status(thm)],[f551,f587]) ).
fof(f643,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| ~ sQ12_spl
| sk4 = sk3 ),
inference(forward_demodulation,[status(thm)],[f436,f642]) ).
fof(f644,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| ~ sQ12_spl
| sk4 = sk5 ),
inference(forward_demodulation,[status(thm)],[f551,f643]) ).
fof(f645,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| ~ sQ12_spl
| sQ18_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f644,f631]) ).
fof(f646,plain,
( ~ sQ10_spl
| ~ sQ16_spl
| ~ sQ12_spl
| sQ18_spl ),
inference(contradiction_clause,[status(thm)],[f645]) ).
fof(f647,plain,
( ~ sQ19_spl
| ~ sQ10_spl
| ~ sQ12_spl
| sk5 = sk6 ),
inference(forward_demodulation,[status(thm)],[f614,f625]) ).
fof(f718,plain,
( ~ sQ7_spl
| ~ sQ10_spl
| ~ sQ12_spl
| ~ sQ19_spl
| ssList(cons(sk7,sk6)) ),
inference(forward_demodulation,[status(thm)],[f647,f603]) ).
fof(f738,plain,
! [X0] :
( ~ sQ10_spl
| ~ sQ12_spl
| ~ sQ19_spl
| app(sk6,X0) = X0
| ~ ssList(X0) ),
inference(forward_demodulation,[status(thm)],[f647,f602]) ).
fof(f749,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| ~ sQ19_spl
| ~ sQ10_spl
| sk6 = app(sk5,cons(sk7,sk5)) ),
inference(forward_demodulation,[status(thm)],[f647,f617]) ).
fof(f750,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| ~ sQ19_spl
| ~ sQ10_spl
| sk6 = app(sk6,cons(sk7,sk5)) ),
inference(forward_demodulation,[status(thm)],[f647,f749]) ).
fof(f751,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| ~ sQ19_spl
| ~ sQ10_spl
| sk6 = app(sk6,cons(sk7,sk6)) ),
inference(forward_demodulation,[status(thm)],[f647,f750]) ).
fof(f752,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| ~ sQ19_spl
| ~ sQ10_spl
| sk6 = cons(sk7,sk6)
| ~ ssList(cons(sk7,sk6)) ),
inference(paramodulation,[status(thm)],[f751,f738]) ).
fof(f757,definition,
( sQ29_spl
<=> ssList(cons(sk7,sk6)) ),
introduced(definition,[new_symbols(definition,[sQ29_spl])],[split_symbol_definition]) ).
fof(f759,plain,
( sQ29_spl
| ~ ssList(cons(sk7,sk6)) ),
inference(component_clause,[status(thm)],[f757]) ).
fof(f760,definition,
( sQ30_spl
<=> sk6 = cons(sk7,sk6) ),
introduced(definition,[new_symbols(definition,[sQ30_spl])],[split_symbol_definition]) ).
fof(f761,plain,
( ~ sQ30_spl
| sk6 = cons(sk7,sk6) ),
inference(component_clause,[status(thm)],[f760]) ).
fof(f763,plain,
( ~ sQ16_spl
| ~ sQ12_spl
| ~ sQ19_spl
| ~ sQ10_spl
| sQ30_spl
| ~ sQ29_spl ),
inference(split_clause,[status(thm)],[f752,f757,f760,f522,f624,f550,f574]) ).
fof(f774,plain,
( sQ29_spl
| ~ sQ7_spl
| ~ sQ10_spl
| ~ sQ12_spl
| ~ sQ19_spl
| $false ),
inference(forward_subsumption_resolution,[status(thm)],[f759,f718]) ).
fof(f775,plain,
( sQ29_spl
| ~ sQ7_spl
| ~ sQ10_spl
| ~ sQ12_spl
| ~ sQ19_spl ),
inference(contradiction_clause,[status(thm)],[f774]) ).
fof(f780,plain,
( ~ sQ30_spl
| ~ ssList(sk6)
| ~ ssItem(sk7) ),
inference(resolution,[status(thm)],[f761,f299]) ).
fof(f785,plain,
( ~ sQ30_spl
| ~ sQ2_spl
| ~ sQ8_spl ),
inference(split_clause,[status(thm)],[f780,f508,f480,f760]) ).
fof(f789,plain,
$false,
inference(sat_refutation,[status(thm)],[f497,f499,f501,f506,f514,f516,f518,f525,f577,f585,f594,f598,f627,f646,f763,f775,f785]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SWC218-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.07 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/5.44 % Computer : n008.cluster.edu
% 0.17/5.44 % Model : x86_64 x86_64
% 0.17/5.44 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/5.44 % Memory : 8046.5625MB
% 0.17/5.44 % OS : Linux 6.8.0-71-generic
% 0.17/5.44 % CPULimit : 300
% 0.17/5.44 % WCLimit : 300
% 0.17/5.44 % DateTime : Mon Sep 21 08:06:31 UTC 2026
% 0.17/5.44 % CPUTime :
% 0.17/5.46 % Drodi V4.1.1
% 0.17/5.48 % Refutation found
% 0.17/5.48 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.17/5.48 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.21/5.53 % Elapsed time: 0.071509 seconds
% 0.21/5.53 % CPU time: 0.239924 seconds
% 0.21/5.53 % Total memory used: 109.776 MB
% 0.21/5.53 % Net memory used: 109.592 MB
%------------------------------------------------------------------------------