%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET583+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.o9Wg0EEuk3 true
% Computer : n024.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 04:52:17 PM UTC 2025
% Result : Theorem 0.50s 0.86s
% Output : Refutation 0.50s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 2
% Syntax : Number of formulae : 10 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 19 ( 7 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 36 ( 5 ~; 3 |; 3 &; 22 @)
% ( 1 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 5 ( 3 usr; 3 con; 0-2 aty)
% Number of variables : 8 ( 0 ^; 8 !; 0 ?; 8 :)
% Comments :
%------------------------------------------------------------------------------
thf(sk__1_type,type,
sk__1: $i ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(sk__2_type,type,
sk__2: $i ).
thf(prove_extensionality,conjecture,
! [B: $i,C: $i] :
( ( ( subset @ B @ C )
& ( subset @ C @ B ) )
=> ( B = C ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [B: $i,C: $i] :
( ( ( subset @ B @ C )
& ( subset @ C @ B ) )
=> ( B = C ) ),
inference('cnf.neg',[status(esa)],[prove_extensionality]) ).
thf(zip_derived_cl7,plain,
subset @ sk__1 @ sk__2,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(equal_defn,axiom,
! [B: $i,C: $i] :
( ( B = C )
<=> ( ( subset @ B @ C )
& ( subset @ C @ B ) ) ) ).
thf(zip_derived_cl2,plain,
! [X0: $i,X1: $i] :
( ( X1 = X0 )
| ~ ( subset @ X0 @ X1 )
| ~ ( subset @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[equal_defn]) ).
thf(zip_derived_cl54,plain,
( ( sk__2 = sk__1 )
| ~ ( subset @ sk__2 @ sk__1 ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl7,zip_derived_cl2]) ).
thf(zip_derived_cl8,plain,
subset @ sk__2 @ sk__1,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl57,plain,
sk__2 = sk__1,
inference(demod,[status(thm)],[zip_derived_cl54,zip_derived_cl8]) ).
thf(zip_derived_cl9,plain,
sk__1 != sk__2,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl58,plain,
$false,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl57,zip_derived_cl9]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.14 % Problem : SET583+3 : TPTP v9.2.0. Released v2.2.0.
% 0.02/0.15 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.o9Wg0EEuk3 true
% 0.11/0.35 % Computer : n024.cluster.edu
% 0.11/0.35 % Model : x86_64 x86_64
% 0.11/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.35 % Memory : 8042.1875MB
% 0.11/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.11/0.35 % CPULimit : 300
% 0.11/0.35 % WCLimit : 300
% 0.11/0.35 % DateTime : Wed Oct 1 13:16:23 EDT 2025
% 0.11/0.35 % CPUTime :
% 0.11/0.35 % Running portfolio for 300 s
% 0.11/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.35 % Number of cores: 8
% 0.11/0.36 % Python version: Python 3.6.8
% 0.11/0.36 % Running in FO mode
% 0.49/0.66 % Total configuration time : 435
% 0.49/0.66 % Estimated wc time : 1092
% 0.49/0.66 % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.49/0.80 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.49/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.49/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.50/0.83 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.50/0.84 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.50/0.86 % Solved by fo/fo6_bce.sh.
% 0.50/0.86 % BCE start: 10
% 0.50/0.86 % BCE eliminated: 0
% 0.50/0.86 % PE start: 10
% 0.50/0.86 logic: eq
% 0.50/0.86 % PE eliminated: 0
% 0.50/0.86 % done 7 iterations in 0.007s
% 0.50/0.86 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.50/0.86 % SZS output start Refutation
% See solution above
% 0.50/0.86
% 0.50/0.86
% 0.50/0.86 % Terminating...
% 0.52/0.95 % Runner terminated.
% 0.52/0.96 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------