%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU160+3 : TPTP v9.2.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.hvtqyG51df true
% Computer : n009.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 0.73s
% Output : Refutation 0.51s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 3
% Syntax : Number of formulae : 20 ( 7 unt; 0 typ; 0 def)
% Number of atoms : 41 ( 27 equ; 0 cnn)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 80 ( 14 ~; 18 |; 0 &; 45 @)
% ( 3 <=>; 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 : 13 ( 0 ^; 13 !; 0 ?; 13 :)
% Comments :
%------------------------------------------------------------------------------
thf(singleton_type,type,
singleton: $i > $i ).
thf(sk__2_type,type,
sk__2: $i ).
thf(sk__3_type,type,
sk__3: $i ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(empty_set_type,type,
empty_set: $i ).
thf(l4_zfmisc_1,axiom,
! [A: $i,B: $i] :
( ( subset @ A @ ( singleton @ B ) )
<=> ( ( A = empty_set )
| ( A
= ( singleton @ B ) ) ) ) ).
thf(zip_derived_cl8,plain,
! [X0: $i,X1: $i] :
( ( subset @ X0 @ ( singleton @ X1 ) )
| ( X0 != empty_set ) ),
inference(cnf,[status(esa)],[l4_zfmisc_1]) ).
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_cl5,plain,
( ( sk__2 != empty_set )
| ~ ( subset @ sk__2 @ ( singleton @ sk__3 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl4,plain,
( ( sk__2
= ( singleton @ sk__3 ) )
| ( sk__2 = empty_set )
| ( subset @ sk__2 @ ( singleton @ sk__3 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl7,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_cl80,plain,
( ( sk__2 = empty_set )
| ( sk__2
= ( singleton @ sk__3 ) )
| ( sk__2
= ( singleton @ sk__3 ) )
| ( sk__2 = empty_set ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl4,zip_derived_cl7]) ).
thf(zip_derived_cl81,plain,
( ( sk__2
= ( singleton @ sk__3 ) )
| ( sk__2 = empty_set ) ),
inference(simplify,[status(thm)],[zip_derived_cl80]) ).
thf(zip_derived_cl6,plain,
( ( sk__2
!= ( singleton @ sk__3 ) )
| ~ ( subset @ sk__2 @ ( singleton @ sk__3 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl86,plain,
( ( sk__2 = empty_set )
| ( sk__2 != sk__2 )
| ~ ( subset @ sk__2 @ sk__2 ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl81,zip_derived_cl6]) ).
thf(reflexivity_r1_tarski,axiom,
! [A: $i,B: $i] : ( subset @ A @ A ) ).
thf(zip_derived_cl0,plain,
! [X0: $i] : ( subset @ X0 @ X0 ),
inference(cnf,[status(esa)],[reflexivity_r1_tarski]) ).
thf(zip_derived_cl87,plain,
( ( sk__2 = empty_set )
| ( sk__2 != sk__2 ) ),
inference(demod,[status(thm)],[zip_derived_cl86,zip_derived_cl0]) ).
thf(zip_derived_cl88,plain,
sk__2 = empty_set,
inference(simplify,[status(thm)],[zip_derived_cl87]) ).
thf(zip_derived_cl88_001,plain,
sk__2 = empty_set,
inference(simplify,[status(thm)],[zip_derived_cl87]) ).
thf(zip_derived_cl89,plain,
( ( empty_set != empty_set )
| ~ ( subset @ empty_set @ ( singleton @ sk__3 ) ) ),
inference(demod,[status(thm)],[zip_derived_cl5,zip_derived_cl88,zip_derived_cl88]) ).
thf(zip_derived_cl90,plain,
~ ( subset @ empty_set @ ( singleton @ sk__3 ) ),
inference(simplify,[status(thm)],[zip_derived_cl89]) ).
thf(zip_derived_cl93,plain,
empty_set != empty_set,
inference('s_sup-',[status(thm)],[zip_derived_cl8,zip_derived_cl90]) ).
thf(zip_derived_cl95,plain,
$false,
inference(simplify,[status(thm)],[zip_derived_cl93]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11 % Problem : SEU160+3 : TPTP v9.2.0. Released v3.2.0.
% 0.10/0.12 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.hvtqyG51df true
% 0.10/0.32 % Computer : n009.cluster.edu
% 0.10/0.32 % Model : x86_64 x86_64
% 0.10/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32 % Memory : 8042.1875MB
% 0.10/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32 % CPULimit : 300
% 0.10/0.32 % WCLimit : 300
% 0.10/0.32 % DateTime : Wed Oct 1 16:08:08 EDT 2025
% 0.10/0.32 % CPUTime :
% 0.10/0.32 % Running portfolio for 300 s
% 0.10/0.32 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.32 % Number of cores: 8
% 0.10/0.33 % Python version: Python 3.6.8
% 0.10/0.33 % Running in FO mode
% 0.48/0.60 % Total configuration time : 435
% 0.48/0.60 % Estimated wc time : 1092
% 0.48/0.60 % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.70 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.51/0.70 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.51/0.70 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.51/0.70 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.51/0.70 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.51/0.71 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.51/0.71 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.51/0.73 % Solved by fo/fo6_bce.sh.
% 0.51/0.73 % BCE start: 10
% 0.51/0.73 % BCE eliminated: 0
% 0.51/0.73 % PE start: 10
% 0.51/0.73 logic: eq
% 0.51/0.73 % PE eliminated: 1
% 0.51/0.73 % done 12 iterations in 0.012s
% 0.51/0.73 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.51/0.73 % SZS output start Refutation
% See solution above
% 0.51/0.73
% 0.51/0.73
% 0.51/0.73 % Terminating...
% 0.55/0.80 % Runner terminated.
% 0.55/0.82 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------