%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SYN966+1 : TPTP v9.2.0. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.RTdf3a2Sy7 true
% Computer : n001.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 05:06:05 PM UTC 2025
% Result : Theorem 1.26s 2.76s
% Output : Refutation 1.26s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 1
% Syntax : Number of formulae : 20 ( 9 unt; 0 typ; 0 def)
% Number of atoms : 42 ( 0 equ; 0 cnn)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 142 ( 14 ~; 14 |; 0 &; 106 @)
% ( 4 <=>; 4 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 6 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 23 ( 0 ^; 23 !; 0 ?; 23 :)
% Comments :
%------------------------------------------------------------------------------
thf(a_member_of_type,type,
a_member_of: $i > $i > $o ).
thf(sk__type,type,
sk_: $i ).
thf(sk__1_type,type,
sk__1: $i ).
thf(eq_type,type,
eq: $i > $i > $o ).
thf(sk__2_type,type,
sk__2: $i > $i > $i ).
thf(prove_this,conjecture,
( ! [X: $i,Y: $i] :
( ( eq @ X @ Y )
<=> ! [Z: $i] :
( ( a_member_of @ Z @ X )
<=> ( a_member_of @ Z @ Y ) ) )
=> ! [A: $i,B: $i] :
( ( eq @ A @ B )
=> ( eq @ B @ A ) ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ( ! [X: $i,Y: $i] :
( ( eq @ X @ Y )
<=> ! [Z: $i] :
( ( a_member_of @ Z @ X )
<=> ( a_member_of @ Z @ Y ) ) )
=> ! [A: $i,B: $i] :
( ( eq @ A @ B )
=> ( eq @ B @ A ) ) ),
inference('cnf.neg',[status(esa)],[prove_this]) ).
thf(zip_derived_cl5,plain,
eq @ sk_ @ sk__1,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl3,plain,
! [X0: $i,X3: $i,X4: $i] :
( ~ ( a_member_of @ X4 @ X0 )
| ( a_member_of @ X4 @ X3 )
| ~ ( eq @ X0 @ X3 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl16,plain,
! [X0: $i] :
( ~ ( a_member_of @ X0 @ sk_ )
| ( a_member_of @ X0 @ sk__1 ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl5,zip_derived_cl3]) ).
thf(zip_derived_cl1,plain,
! [X0: $i,X1: $i] :
( ( eq @ X0 @ X1 )
| ( a_member_of @ ( sk__2 @ X1 @ X0 ) @ X1 )
| ( a_member_of @ ( sk__2 @ X1 @ X0 ) @ X0 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl5_001,plain,
eq @ sk_ @ sk__1,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl2,plain,
! [X0: $i,X2: $i,X3: $i] :
( ~ ( a_member_of @ X2 @ X3 )
| ( a_member_of @ X2 @ X0 )
| ~ ( eq @ X0 @ X3 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl14,plain,
! [X0: $i] :
( ~ ( a_member_of @ X0 @ sk__1 )
| ( a_member_of @ X0 @ sk_ ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl5,zip_derived_cl2]) ).
thf(zip_derived_cl23,plain,
! [X0: $i] :
( ( a_member_of @ ( sk__2 @ X0 @ sk__1 ) @ X0 )
| ( eq @ sk__1 @ X0 )
| ( a_member_of @ ( sk__2 @ X0 @ sk__1 ) @ sk_ ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl1,zip_derived_cl14]) ).
thf(zip_derived_cl60,plain,
( ( eq @ sk__1 @ sk_ )
| ( a_member_of @ ( sk__2 @ sk_ @ sk__1 ) @ sk_ ) ),
inference(eq_fact,[status(thm)],[zip_derived_cl23]) ).
thf(zip_derived_cl4,plain,
~ ( eq @ sk__1 @ sk_ ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl61,plain,
a_member_of @ ( sk__2 @ sk_ @ sk__1 ) @ sk_,
inference(demod,[status(thm)],[zip_derived_cl60,zip_derived_cl4]) ).
thf(zip_derived_cl0,plain,
! [X0: $i,X1: $i] :
( ( eq @ X0 @ X1 )
| ~ ( a_member_of @ ( sk__2 @ X1 @ X0 ) @ X1 )
| ~ ( a_member_of @ ( sk__2 @ X1 @ X0 ) @ X0 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl67,plain,
( ( eq @ sk__1 @ sk_ )
| ~ ( a_member_of @ ( sk__2 @ sk_ @ sk__1 ) @ sk__1 ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl61,zip_derived_cl0]) ).
thf(zip_derived_cl4_002,plain,
~ ( eq @ sk__1 @ sk_ ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl68,plain,
~ ( a_member_of @ ( sk__2 @ sk_ @ sk__1 ) @ sk__1 ),
inference(demod,[status(thm)],[zip_derived_cl67,zip_derived_cl4]) ).
thf(zip_derived_cl69,plain,
~ ( a_member_of @ ( sk__2 @ sk_ @ sk__1 ) @ sk_ ),
inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl68]) ).
thf(zip_derived_cl61_003,plain,
a_member_of @ ( sk__2 @ sk_ @ sk__1 ) @ sk_,
inference(demod,[status(thm)],[zip_derived_cl60,zip_derived_cl4]) ).
thf(zip_derived_cl71,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl69,zip_derived_cl61]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/1.10 % Problem : SYN966+1 : TPTP v9.2.0. Released v3.1.0.
% 0.12/1.18 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.RTdf3a2Sy7 true
% 0.12/1.60 % Computer : n001.cluster.edu
% 0.12/1.60 % Model : x86_64 x86_64
% 0.12/1.60 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/1.60 % Memory : 8042.1875MB
% 0.12/1.60 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/1.60 % CPULimit : 300
% 0.12/1.60 % WCLimit : 300
% 0.12/1.60 % DateTime : Wed Oct 1 13:40:24 EDT 2025
% 0.12/1.61 % CPUTime :
% 0.12/1.61 % Running portfolio for 300 s
% 0.12/1.61 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/1.63 % Number of cores: 8
% 0.12/1.64 % Python version: Python 3.6.8
% 0.19/1.67 % Running in FO mode
% 0.51/2.42 % Total configuration time : 435
% 0.51/2.42 % Estimated wc time : 1092
% 0.51/2.42 % Estimated cpu time (7 cpus) : 156.0
% 0.51/2.55 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.51/2.68 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.51/2.73 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 1.26/2.76 % Solved by fo/fo6_bce.sh.
% 1.26/2.76 % BCE start: 6
% 1.26/2.76 % BCE eliminated: 0
% 1.26/2.76 % PE start: 6
% 1.26/2.76 logic: neq
% 1.26/2.76 % PE eliminated: 0
% 1.26/2.76 % done 18 iterations in 0.059s
% 1.26/2.76 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.26/2.76 % SZS output start Refutation
% See solution above
% 1.26/2.76
% 1.26/2.76
% 1.26/2.76 % Terminating...
% 1.44/3.14 % Runner terminated.
% 1.48/3.17 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------