%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC026-1 : TPTP v9.2.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6pGtUaKQg4 true
% Computer : n008.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 04:58:19 PM UTC 2025
% Result : Unsatisfiable 0.51s 0.77s
% Output : Refutation 0.51s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 6
% Syntax : Number of formulae : 30 ( 15 unt; 0 typ; 0 def)
% Number of atoms : 45 ( 44 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 38 ( 23 ~; 15 |; 0 &; 0 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 5 usr; 6 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(sk3_type,type,
sk3: $i ).
thf(sk1_type,type,
sk1: $i ).
thf(co1_5,conjecture,
sk2 != sk4 ).
thf(zf_stmt_0,negated_conjecture,
sk2 = sk4,
inference('cnf.neg',[status(esa)],[co1_5]) ).
thf(zip_derived_cl24,plain,
sk2 = sk4,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(co1_7,conjecture,
~ ( ( nil != sk3 )
| ( nil = sk4 ) ) ).
thf(zf_stmt_1,negated_conjecture,
( ( nil != sk3 )
| ( nil = sk4 ) ),
inference('cnf.neg',[status(esa)],[co1_7]) ).
thf(zip_derived_cl22,plain,
( ( nil != sk3 )
| ( nil = sk4 ) ),
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(co1_6,conjecture,
sk1 != sk3 ).
thf(zf_stmt_2,negated_conjecture,
sk1 = sk3,
inference('cnf.neg',[status(esa)],[co1_6]) ).
thf(zip_derived_cl23,plain,
sk1 = sk3,
inference(cnf,[status(esa)],[zf_stmt_2]) ).
thf(co1_8,conjecture,
~ ( ( nil != sk4 )
| ( nil = sk3 ) ) ).
thf(zf_stmt_3,negated_conjecture,
( ( nil != sk4 )
| ( nil = sk3 ) ),
inference('cnf.neg',[status(esa)],[co1_8]) ).
thf(zip_derived_cl21,plain,
( ( nil != sk4 )
| ( nil = sk3 ) ),
inference(cnf,[status(esa)],[zf_stmt_3]) ).
thf(zip_derived_cl24_001,plain,
sk2 = sk4,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl23_002,plain,
sk1 = sk3,
inference(cnf,[status(esa)],[zf_stmt_2]) ).
thf(zip_derived_cl91,plain,
( ( nil != sk2 )
| ( nil = sk1 ) ),
inference(demod,[status(thm)],[zip_derived_cl21,zip_derived_cl24,zip_derived_cl23]) ).
thf(co1_9,conjecture,
~ ( ( nil = sk1 )
| ( nil = sk2 ) ) ).
thf(zf_stmt_4,negated_conjecture,
( ( nil = sk1 )
| ( nil = sk2 ) ),
inference('cnf.neg',[status(esa)],[co1_9]) ).
thf(zip_derived_cl20,plain,
( ( nil = sk1 )
| ( nil = sk2 ) ),
inference(cnf,[status(esa)],[zf_stmt_4]) ).
thf(zip_derived_cl92,plain,
nil = sk1,
inference(clc,[status(thm)],[zip_derived_cl91,zip_derived_cl20]) ).
thf(zip_derived_cl95,plain,
nil = sk3,
inference(demod,[status(thm)],[zip_derived_cl23,zip_derived_cl92]) ).
thf(zip_derived_cl97,plain,
( ( nil != nil )
| ( nil = sk4 ) ),
inference(demod,[status(thm)],[zip_derived_cl22,zip_derived_cl95]) ).
thf(zip_derived_cl98,plain,
nil = sk4,
inference(simplify,[status(thm)],[zip_derived_cl97]) ).
thf(zip_derived_cl99,plain,
sk2 = nil,
inference(demod,[status(thm)],[zip_derived_cl24,zip_derived_cl98]) ).
thf(co1_12,conjecture,
~ ( ( nil != sk2 )
| ( nil != sk1 ) ) ).
thf(zf_stmt_5,negated_conjecture,
( ( nil != sk2 )
| ( nil != sk1 ) ),
inference('cnf.neg',[status(esa)],[co1_12]) ).
thf(zip_derived_cl17,plain,
( ( nil != sk2 )
| ( nil != sk1 ) ),
inference(cnf,[status(esa)],[zf_stmt_5]) ).
thf(zip_derived_cl92_003,plain,
nil = sk1,
inference(clc,[status(thm)],[zip_derived_cl91,zip_derived_cl20]) ).
thf(zip_derived_cl93,plain,
( ( nil != sk2 )
| ( nil != nil ) ),
inference(demod,[status(thm)],[zip_derived_cl17,zip_derived_cl92]) ).
thf(zip_derived_cl94,plain,
nil != sk2,
inference(simplify,[status(thm)],[zip_derived_cl93]) ).
thf(zip_derived_cl100,plain,
$false,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl99,zip_derived_cl94]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13 % Problem : SWC026-1 : TPTP v9.2.0. Released v2.4.0.
% 0.08/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6pGtUaKQg4 true
% 0.14/0.34 % Computer : n008.cluster.edu
% 0.14/0.34 % Model : x86_64 x86_64
% 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34 % Memory : 8042.1875MB
% 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34 % CPULimit : 300
% 0.14/0.34 % WCLimit : 300
% 0.14/0.34 % DateTime : Wed Oct 1 17:12:23 EDT 2025
% 0.14/0.34 % CPUTime :
% 0.14/0.34 % Running portfolio for 300 s
% 0.14/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.34 % Number of cores: 8
% 0.14/0.34 % Python version: Python 3.6.8
% 0.14/0.35 % Running in FO mode
% 0.20/0.59 % Total configuration time : 435
% 0.20/0.59 % Estimated wc time : 1092
% 0.20/0.59 % Estimated cpu time (7 cpus) : 156.0
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.51/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.51/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.51/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.51/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.51/0.77 % Solved by fo/fo3_bce.sh.
% 0.51/0.77 % BCE start: 29
% 0.51/0.77 % BCE eliminated: 7
% 0.51/0.77 % PE start: 22
% 0.51/0.77 logic: eq
% 0.51/0.77 % PE eliminated: 0
% 0.51/0.77 % done 15 iterations in 0.022s
% 0.51/0.77 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.51/0.77 % SZS output start Refutation
% See solution above
% 0.51/0.77
% 0.51/0.77
% 0.51/0.77 % Terminating...
% 0.52/0.82 % Runner terminated.
% 0.52/0.84 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------