%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET926+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.A5MGoVk5nA 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 04:53:10 PM UTC 2025
% Result : Theorem 0.49s 0.73s
% Output : Refutation 0.49s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 3
% Syntax : Number of formulae : 13 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 21 ( 12 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 70 ( 9 ~; 6 |; 0 &; 53 @)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 6 usr; 4 con; 0-2 aty)
% Number of variables : 12 ( 0 ^; 12 !; 0 ?; 12 :)
% Comments :
%------------------------------------------------------------------------------
thf(singleton_type,type,
singleton: $i > $i ).
thf(sk__3_type,type,
sk__3: $i ).
thf(sk__2_type,type,
sk__2: $i ).
thf(in_type,type,
in: $i > $i > $o ).
thf(set_difference_type,type,
set_difference: $i > $i > $i ).
thf(empty_set_type,type,
empty_set: $i ).
thf(l36_zfmisc_1,axiom,
! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= empty_set )
<=> ( in @ A @ B ) ) ).
thf(zip_derived_cl5,plain,
! [X0: $i,X1: $i] :
( ( ( set_difference @ ( singleton @ X0 ) @ X1 )
= empty_set )
| ~ ( in @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[l36_zfmisc_1]) ).
thf(t69_zfmisc_1,conjecture,
! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= ( singleton @ A ) )
| ( ( set_difference @ ( singleton @ A ) @ B )
= empty_set ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= ( singleton @ A ) )
| ( ( set_difference @ ( singleton @ A ) @ B )
= empty_set ) ),
inference('cnf.neg',[status(esa)],[t69_zfmisc_1]) ).
thf(zip_derived_cl8,plain,
( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
!= empty_set ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl39,plain,
( ~ ( in @ sk__2 @ sk__3 )
| ( empty_set != empty_set ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl5,zip_derived_cl8]) ).
thf(zip_derived_cl42,plain,
~ ( in @ sk__2 @ sk__3 ),
inference(simplify,[status(thm)],[zip_derived_cl39]) ).
thf(l34_zfmisc_1,axiom,
! [A: $i,B: $i] :
( ( ( set_difference @ ( singleton @ A ) @ B )
= ( singleton @ A ) )
<=> ~ ( in @ A @ B ) ) ).
thf(zip_derived_cl3,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_cl9,plain,
( ( set_difference @ ( singleton @ sk__2 ) @ sk__3 )
!= ( singleton @ sk__2 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl45,plain,
( ( in @ sk__2 @ sk__3 )
| ( ( singleton @ sk__2 )
!= ( singleton @ sk__2 ) ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl3,zip_derived_cl9]) ).
thf(zip_derived_cl48,plain,
in @ sk__2 @ sk__3,
inference(simplify,[status(thm)],[zip_derived_cl45]) ).
thf(zip_derived_cl55,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl42,zip_derived_cl48]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10 % Problem : SET926+1 : TPTP v9.2.0. Released v3.2.0.
% 0.05/0.11 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.A5MGoVk5nA true
% 0.11/0.32 % Computer : n011.cluster.edu
% 0.11/0.32 % Model : x86_64 x86_64
% 0.11/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32 % Memory : 8042.1875MB
% 0.11/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32 % CPULimit : 300
% 0.11/0.32 % WCLimit : 300
% 0.11/0.32 % DateTime : Wed Oct 1 13:01:53 EDT 2025
% 0.11/0.32 % CPUTime :
% 0.11/0.32 % Running portfolio for 300 s
% 0.11/0.32 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.32 % Number of cores: 8
% 0.11/0.32 % Python version: Python 3.6.8
% 0.11/0.32 % Running in FO mode
% 0.44/0.61 % Total configuration time : 435
% 0.44/0.61 % Estimated wc time : 1092
% 0.44/0.61 % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.49/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.49/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.49/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.49/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.49/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.49/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.49/0.73 % Solved by fo/fo6_bce.sh.
% 0.49/0.73 % BCE start: 10
% 0.49/0.73 % BCE eliminated: 0
% 0.49/0.73 % PE start: 10
% 0.49/0.73 logic: eq
% 0.49/0.73 % PE eliminated: 1
% 0.49/0.73 % done 13 iterations in 0.013s
% 0.49/0.73 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.49/0.73 % SZS output start Refutation
% See solution above
% 0.49/0.73
% 0.49/0.73
% 0.49/0.74 % Terminating...
% 1.67/0.81 % Runner terminated.
% 1.67/0.82 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------