%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU160+2 : TPTP v9.2.0. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.jUp0F2xSsM true
% Computer : n011.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 04:53:39 PM UTC 2025
% Result : Theorem 0.51s 0.88s
% Output : Refutation 0.51s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 4
% Syntax : Number of formulae : 20 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 39 ( 25 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 73 ( 10 ~; 14 |; 1 &; 44 @)
% ( 4 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 14 ( 0 ^; 14 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
thf(singleton_type,type,
singleton: $i > $i ).
thf(sk__20_type,type,
sk__20: $i ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(sk__19_type,type,
sk__19: $i ).
thf(empty_set_type,type,
empty_set: $i ).
thf(t39_zfmisc_1,conjecture,
! [A: $i,B: $i] :
( ( subset @ A @ ( singleton @ B ) )
<=> ( ( A = empty_set )
| ( A
= ( singleton @ B ) ) ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [A: $i,B: $i] :
( ( subset @ A @ ( singleton @ B ) )
<=> ( ( A = empty_set )
| ( A
= ( singleton @ B ) ) ) ),
inference('cnf.neg',[status(esa)],[t39_zfmisc_1]) ).
thf(zip_derived_cl128,plain,
( ( sk__19 != empty_set )
| ~ ( subset @ sk__19 @ ( singleton @ sk__20 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl127,plain,
( ( sk__19
= ( singleton @ sk__20 ) )
| ( sk__19 = empty_set )
| ( subset @ sk__19 @ ( singleton @ sk__20 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl129,plain,
( ( sk__19
!= ( singleton @ sk__20 ) )
| ~ ( subset @ sk__19 @ ( singleton @ sk__20 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(d10_xboole_0,axiom,
! [A: $i,B: $i] :
( ( A = B )
<=> ( ( subset @ A @ B )
& ( subset @ B @ A ) ) ) ).
thf(zip_derived_cl5,plain,
! [X0: $i,X1: $i] :
( ( subset @ X0 @ X1 )
| ( X0 != X1 ) ),
inference(cnf,[status(esa)],[d10_xboole_0]) ).
thf(zip_derived_cl654,plain,
( sk__19
!= ( singleton @ sk__20 ) ),
inference(clc,[status(thm)],[zip_derived_cl129,zip_derived_cl5]) ).
thf(zip_derived_cl663,plain,
( ( sk__19 = empty_set )
| ( subset @ sk__19 @ ( singleton @ sk__20 ) ) ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl127,zip_derived_cl654]) ).
thf(l4_zfmisc_1,axiom,
! [A: $i,B: $i] :
( ( subset @ A @ ( singleton @ B ) )
<=> ( ( A = empty_set )
| ( A
= ( singleton @ B ) ) ) ) ).
thf(zip_derived_cl91,plain,
! [X0: $i,X1: $i] :
( ( X1
= ( singleton @ X0 ) )
| ( X1 = empty_set )
| ~ ( subset @ X1 @ ( singleton @ X0 ) ) ),
inference(cnf,[status(esa)],[l4_zfmisc_1]) ).
thf(zip_derived_cl800,plain,
( ( sk__19 = empty_set )
| ( sk__19
= ( singleton @ sk__20 ) )
| ( sk__19 = empty_set ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl663,zip_derived_cl91]) ).
thf(zip_derived_cl803,plain,
( ( sk__19
= ( singleton @ sk__20 ) )
| ( sk__19 = empty_set ) ),
inference(simplify,[status(thm)],[zip_derived_cl800]) ).
thf(zip_derived_cl654_001,plain,
( sk__19
!= ( singleton @ sk__20 ) ),
inference(clc,[status(thm)],[zip_derived_cl129,zip_derived_cl5]) ).
thf(zip_derived_cl804,plain,
sk__19 = empty_set,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl803,zip_derived_cl654]) ).
thf(zip_derived_cl804_002,plain,
sk__19 = empty_set,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl803,zip_derived_cl654]) ).
thf(t2_xboole_1,axiom,
! [A: $i] : ( subset @ empty_set @ A ) ).
thf(zip_derived_cl114,plain,
! [X0: $i] : ( subset @ empty_set @ X0 ),
inference(cnf,[status(esa)],[t2_xboole_1]) ).
thf(zip_derived_cl805,plain,
empty_set != empty_set,
inference(demod,[status(thm)],[zip_derived_cl128,zip_derived_cl804,zip_derived_cl804,zip_derived_cl114]) ).
thf(zip_derived_cl806,plain,
$false,
inference(simplify,[status(thm)],[zip_derived_cl805]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.10 % Problem : SEU160+2 : TPTP v9.2.0. Released v3.3.0.
% 0.09/0.11 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.jUp0F2xSsM true
% 0.10/0.31 % Computer : n011.cluster.edu
% 0.10/0.31 % Model : x86_64 x86_64
% 0.10/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31 % Memory : 8042.1875MB
% 0.10/0.31 % OS : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31 % CPULimit : 300
% 0.10/0.31 % WCLimit : 300
% 0.10/0.31 % DateTime : Wed Oct 1 16:07:23 EDT 2025
% 0.16/0.31 % CPUTime :
% 0.16/0.31 % Running portfolio for 300 s
% 0.16/0.31 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.16/0.31 % Number of cores: 8
% 0.16/0.32 % Python version: Python 3.6.8
% 0.16/0.32 % Running in FO mode
% 0.43/0.62 % Total configuration time : 435
% 0.43/0.62 % Estimated wc time : 1092
% 0.43/0.62 % Estimated cpu time (7 cpus) : 156.0
% 0.50/0.71 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.50/0.72 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.50/0.72 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.50/0.72 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.50/0.74 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.51/0.78 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.51/0.81 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.51/0.88 % Solved by fo/fo6_bce.sh.
% 0.51/0.88 % BCE start: 154
% 0.51/0.88 % BCE eliminated: 2
% 0.51/0.88 % PE start: 152
% 0.51/0.88 logic: eq
% 0.51/0.88 % PE eliminated: 0
% 0.51/0.88 % done 122 iterations in 0.104s
% 0.51/0.88 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.51/0.88 % SZS output start Refutation
% See solution above
% 0.51/0.88
% 0.51/0.88
% 0.51/0.88 % Terminating...
% 2.06/1.01 % Runner terminated.
% 2.06/1.03 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------