%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET924+1 : TPTP v9.2.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.f5w3aLashF true
% Computer : n022.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 04:53:10 PM UTC 2025
% Result : Theorem 0.59s 0.74s
% Output : Refutation 0.59s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 2
% Syntax : Number of formulae : 13 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 21 ( 11 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 79 ( 11 ~; 5 |; 0 &; 60 @)
% ( 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; 3 con; 0-2 aty)
% Number of variables : 10 ( 0 ^; 10 !; 0 ?; 10 :)
% Comments :
%------------------------------------------------------------------------------
thf(in_type,type,
in: $i > $i > $o ).
thf(set_difference_type,type,
set_difference: $i > $i > $i ).
thf(sk__2_type,type,
sk__2: $i ).
thf(singleton_type,type,
singleton: $i > $i ).
thf(sk__3_type,type,
sk__3: $i ).
thf(t67_zfmisc_1,conjecture,
! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= ( singleton @ A ) )
<=> ~ ( in @ A @ B ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= ( singleton @ A ) )
<=> ~ ( in @ A @ B ) ),
inference('cnf.neg',[status(esa)],[t67_zfmisc_1]) ).
thf(zip_derived_cl3,plain,
( ~ ( in @ sk__2 @ sk__3 )
| ( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
= ( singleton @ sk__2 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(l34_zfmisc_1,axiom,
! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= ( singleton @ A ) )
<=> ~ ( in @ A @ B ) ) ).
thf(zip_derived_cl6,plain,
! [X0: $i,X1: $i] :
( ( ( set_difference @ ( singleton @ X0 ) @ X1 )
= ( singleton @ X0 ) )
| ( in @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[l34_zfmisc_1]) ).
thf(zip_derived_cl4,plain,
( ( in @ sk__2 @ sk__3 )
| ( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
!= ( singleton @ sk__2 ) ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl5,plain,
! [X0: $i,X1: $i] :
( ~ ( in @ X0 @ X1 )
| ( ( set_difference @ ( singleton @ X0 ) @ X1 )
!= ( singleton @ X0 ) ) ),
inference(cnf,[status(esa)],[l34_zfmisc_1]) ).
thf(zip_derived_cl29,plain,
( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
!= ( singleton @ sk__2 ) ),
inference(clc,[status(thm)],[zip_derived_cl4,zip_derived_cl5]) ).
thf(zip_derived_cl31,plain,
( ( in @ sk__2 @ sk__3 )
| ( ( singleton @ sk__2 )
!= ( singleton @ sk__2 ) ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl6,zip_derived_cl29]) ).
thf(zip_derived_cl33,plain,
in @ sk__2 @ sk__3,
inference(simplify,[status(thm)],[zip_derived_cl31]) ).
thf(zip_derived_cl34,plain,
( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
= ( singleton @ sk__2 ) ),
inference(demod,[status(thm)],[zip_derived_cl3,zip_derived_cl33]) ).
thf(zip_derived_cl29_001,plain,
( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
!= ( singleton @ sk__2 ) ),
inference(clc,[status(thm)],[zip_derived_cl4,zip_derived_cl5]) ).
thf(zip_derived_cl35,plain,
$false,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl34,zip_derived_cl29]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET924+1 : TPTP v9.2.0. Released v3.2.0.
% 0.03/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.f5w3aLashF true
% 0.13/0.34 % Computer : n022.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 300
% 0.13/0.34 % DateTime : Wed Oct 1 13:16:38 EDT 2025
% 0.13/0.35 % CPUTime :
% 0.13/0.35 % Running portfolio for 300 s
% 0.13/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35 % Number of cores: 8
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.35 % Running in FO mode
% 0.56/0.66 % Total configuration time : 435
% 0.56/0.66 % Estimated wc time : 1092
% 0.56/0.66 % Estimated cpu time (7 cpus) : 156.0
% 0.59/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.59/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.59/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.59/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.59/0.74 % Solved by fo/fo6_bce.sh.
% 0.59/0.74 % BCE start: 7
% 0.59/0.74 % BCE eliminated: 0
% 0.59/0.74 % PE start: 7
% 0.59/0.74 logic: eq
% 0.59/0.74 % PE eliminated: 1
% 0.59/0.74 % done 7 iterations in 0.007s
% 0.59/0.74 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.59/0.74 % SZS output start Refutation
% See solution above
% 0.59/0.74
% 0.59/0.74
% 0.59/0.74 % Terminating...
% 1.31/0.77 % Runner terminated.
% 1.31/0.78 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------