%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC145-1 : TPTP v9.2.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.lfKxohL1ze true
% Computer : n026.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 : Thu Oct 2 04:58:46 PM UTC 2025
% Result : Unsatisfiable 0.35s 0.83s
% Output : Refutation 0.35s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 3
% Syntax : Number of formulae : 13 ( 12 unt; 0 typ; 0 def)
% Number of atoms : 14 ( 7 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 21 ( 8 ~; 1 |; 0 &; 12 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 6 ( 4 usr; 4 con; 0-2 aty)
% Number of variables : 0 ( 0 ^; 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
thf(nil_type,type,
nil: $i ).
thf(sk2_type,type,
sk2: $i ).
thf(sk4_type,type,
sk4: $i ).
thf(neq_type,type,
neq: $i > $i > $o ).
thf(co1_7,conjecture,
~ ( neq @ sk2 @ nil ) ).
thf(zf_stmt_0,negated_conjecture,
neq @ sk2 @ nil,
inference('cnf.neg',[status(esa)],[co1_7]) ).
thf(zip_derived_cl191,plain,
neq @ sk2 @ nil,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(co1_8,conjecture,
neq @ sk4 @ nil ).
thf(zf_stmt_1,negated_conjecture,
~ ( neq @ sk4 @ nil ),
inference('cnf.neg',[status(esa)],[co1_8]) ).
thf(zip_derived_cl192,plain,
~ ( neq @ sk4 @ nil ),
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(zip_derived_cl1367,plain,
( ( sk2 != sk4 )
| ( nil != nil ) ),
inference('dp-resolution',[status(thm)],[zip_derived_cl191,zip_derived_cl192]) ).
thf(zip_derived_cl1383,plain,
sk2 != sk4,
inference(simplify,[status(thm)],[zip_derived_cl1367]) ).
thf(co1_5,conjecture,
sk2 != sk4 ).
thf(zf_stmt_2,negated_conjecture,
sk2 = sk4,
inference('cnf.neg',[status(esa)],[co1_5]) ).
thf(zip_derived_cl189,plain,
sk2 = sk4,
inference(cnf,[status(esa)],[zf_stmt_2]) ).
thf(zip_derived_cl1384,plain,
sk2 != sk2,
inference(demod,[status(thm)],[zip_derived_cl1383,zip_derived_cl189]) ).
thf(zip_derived_cl1385,plain,
$false,
inference(simplify,[status(thm)],[zip_derived_cl1384]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.20 % Problem : SWC145-1 : TPTP v9.2.0. Released v2.4.0.
% 0.04/0.21 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.lfKxohL1ze true
% 0.09/0.42 % Computer : n026.cluster.edu
% 0.09/0.42 % Model : x86_64 x86_64
% 0.09/0.42 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.42 % Memory : 8042.1875MB
% 0.09/0.42 % OS : Linux 3.10.0-693.el7.x86_64
% 0.09/0.42 % CPULimit : 300
% 0.09/0.42 % WCLimit : 300
% 0.09/0.42 % DateTime : Wed Oct 1 17:12:08 EDT 2025
% 0.09/0.42 % CPUTime :
% 0.09/0.42 % Running portfolio for 300 s
% 0.09/0.42 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.42 % Number of cores: 8
% 0.14/0.43 % Python version: Python 3.6.8
% 0.14/0.44 % Running in FO mode
% 0.34/0.64 % Total configuration time : 435
% 0.34/0.64 % Estimated wc time : 1092
% 0.34/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.35/0.72 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.35/0.83 % Solved by fo/fo6_bce.sh.
% 0.35/0.83 % BCE start: 194
% 0.35/0.83 % BCE eliminated: 0
% 0.35/0.83 % PE start: 194
% 0.35/0.83 logic: eq
% 0.35/0.83 % PE eliminated: 7
% 0.35/0.83 % done 5 iterations in 0.050s
% 0.35/0.83 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.35/0.83 % SZS output start Refutation
% See solution above
% 0.35/0.83
% 0.35/0.83
% 0.35/0.83 % Terminating...
% 0.38/0.90 % Runner terminated.
% 0.38/0.91 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------