%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET590+3 : TPTP v9.2.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.vlhhBDEfww true
% Computer : n015.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 04:52:19 PM UTC 2025
% Result : Theorem 0.58s 0.74s
% Output : Refutation 0.58s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 3
% Syntax : Number of formulae : 13 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 20 ( 0 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 82 ( 7 ~; 3 |; 1 &; 68 @)
% ( 2 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 7 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 17 ( 0 ^; 17 !; 0 ?; 17 :)
% Comments :
%------------------------------------------------------------------------------
thf(difference_type,type,
difference: $i > $i > $i ).
thf(sk__2_type,type,
sk__2: $i ).
thf(member_type,type,
member: $i > $i > $o ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(sk__type,type,
sk_: $i > $i > $i ).
thf(sk__1_type,type,
sk__1: $i ).
thf(subset_defn,axiom,
! [B: $i,C: $i] :
( ( subset @ B @ C )
<=> ! [D: $i] :
( ( member @ D @ B )
=> ( member @ D @ C ) ) ) ).
thf(zip_derived_cl4,plain,
! [X0: $i,X1: $i] :
( ( subset @ X0 @ X1 )
| ~ ( member @ ( sk_ @ X1 @ X0 ) @ X1 ) ),
inference(cnf,[status(esa)],[subset_defn]) ).
thf(prove_th49,conjecture,
! [B: $i,C: $i] : ( subset @ ( difference @ B @ C ) @ B ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [B: $i,C: $i] : ( subset @ ( difference @ B @ C ) @ B ),
inference('cnf.neg',[status(esa)],[prove_th49]) ).
thf(zip_derived_cl7,plain,
~ ( subset @ ( difference @ sk__1 @ sk__2 ) @ sk__1 ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl9,plain,
~ ( member @ ( sk_ @ sk__1 @ ( difference @ sk__1 @ sk__2 ) ) @ sk__1 ),
inference('dp-resolution',[status(thm)],[zip_derived_cl4,zip_derived_cl7]) ).
thf(zip_derived_cl5,plain,
! [X0: $i,X1: $i] :
( ( subset @ X0 @ X1 )
| ( member @ ( sk_ @ X1 @ X0 ) @ X0 ) ),
inference(cnf,[status(esa)],[subset_defn]) ).
thf(zip_derived_cl7_001,plain,
~ ( subset @ ( difference @ sk__1 @ sk__2 ) @ sk__1 ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl11,plain,
member @ ( sk_ @ sk__1 @ ( difference @ sk__1 @ sk__2 ) ) @ ( difference @ sk__1 @ sk__2 ),
inference('dp-resolution',[status(thm)],[zip_derived_cl5,zip_derived_cl7]) ).
thf(difference_defn,axiom,
! [B: $i,C: $i,D: $i] :
( ( member @ D @ ( difference @ B @ C ) )
<=> ( ( member @ D @ B )
& ~ ( member @ D @ C ) ) ) ).
thf(zip_derived_cl0,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( member @ X0 @ X1 )
| ~ ( member @ X0 @ ( difference @ X1 @ X2 ) ) ),
inference(cnf,[status(esa)],[difference_defn]) ).
thf(zip_derived_cl13,plain,
member @ ( sk_ @ sk__1 @ ( difference @ sk__1 @ sk__2 ) ) @ sk__1,
inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl0]) ).
thf(zip_derived_cl17,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl9,zip_derived_cl13]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12 % Problem : SET590+3 : TPTP v9.2.0. Released v2.2.0.
% 0.13/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.vlhhBDEfww true
% 0.13/0.35 % Computer : n015.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 300
% 0.13/0.35 % DateTime : Wed Oct 1 12:57:53 EDT 2025
% 0.20/0.35 % CPUTime :
% 0.20/0.35 % Running portfolio for 300 s
% 0.20/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.35 % Number of cores: 8
% 0.20/0.35 % Python version: Python 3.6.8
% 0.20/0.35 % Running in FO mode
% 0.58/0.64 % Total configuration time : 435
% 0.58/0.64 % Estimated wc time : 1092
% 0.58/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.58/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.58/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.58/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.58/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.58/0.74 % Solved by fo/fo6_bce.sh.
% 0.58/0.74 % BCE start: 8
% 0.58/0.74 % BCE eliminated: 0
% 0.58/0.74 % PE start: 8
% 0.58/0.74 logic: neq
% 0.58/0.74 % PE eliminated: 1
% 0.58/0.74 % done 6 iterations in 0.013s
% 0.58/0.74 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.58/0.74 % SZS output start Refutation
% See solution above
% 0.58/0.74
% 0.58/0.74
% 0.58/0.74 % Terminating...
% 1.61/0.85 % Runner terminated.
% 1.61/0.87 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------