%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET063+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.I0l6V3yuEt true
% Computer : n017.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 04:51:23 PM UTC 2025
% Result : Theorem 0.72s 0.62s
% Output : Refutation 0.72s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 3
% Syntax : Number of formulae : 11 ( 6 unt; 0 typ; 0 def)
% Number of atoms : 18 ( 7 equ; 0 cnn)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 32 ( 5 ~; 3 |; 1 &; 20 @)
% ( 1 <=>; 2 =>; 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 : 5 ( 3 usr; 3 con; 0-2 aty)
% Number of variables : 8 ( 0 ^; 8 !; 0 ?; 8 :)
% Comments :
%------------------------------------------------------------------------------
thf(empty_set_type,type,
empty_set: $i ).
thf(sk__2_type,type,
sk__2: $i ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(prove_subset_of_empty_set_is_empty_set,conjecture,
! [B: $i] :
( ( subset @ B @ empty_set )
=> ( B = empty_set ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [B: $i] :
( ( subset @ B @ empty_set )
=> ( B = empty_set ) ),
inference('cnf.neg',[status(esa)],[prove_subset_of_empty_set_is_empty_set]) ).
thf(zip_derived_cl11,plain,
subset @ sk__2 @ empty_set,
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_cl7,plain,
! [X0: $i,X1: $i] :
( ( X1 = X0 )
| ~ ( subset @ X0 @ X1 )
| ~ ( subset @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[equal_defn]) ).
thf(zip_derived_cl22,plain,
( ( empty_set = sk__2 )
| ~ ( subset @ empty_set @ sk__2 ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl7]) ).
thf(empty_set_subset,axiom,
! [B: $i] : ( subset @ empty_set @ B ) ).
thf(zip_derived_cl0,plain,
! [X0: $i] : ( subset @ empty_set @ X0 ),
inference(cnf,[status(esa)],[empty_set_subset]) ).
thf(zip_derived_cl24,plain,
empty_set = sk__2,
inference(demod,[status(thm)],[zip_derived_cl22,zip_derived_cl0]) ).
thf(zip_derived_cl12,plain,
sk__2 != empty_set,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl25,plain,
$false,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl24,zip_derived_cl12]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.10 % Problem : SET063+3 : TPTP v9.2.0. Released v2.2.0.
% 0.04/0.11 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.I0l6V3yuEt true
% 0.11/0.31 % Computer : n017.cluster.edu
% 0.11/0.31 % Model : x86_64 x86_64
% 0.11/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31 % Memory : 8042.1875MB
% 0.11/0.31 % OS : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31 % CPULimit : 300
% 0.11/0.31 % WCLimit : 300
% 0.11/0.31 % DateTime : Wed Oct 1 13:18:53 EDT 2025
% 0.11/0.31 % CPUTime :
% 0.11/0.31 % Running portfolio for 300 s
% 0.11/0.31 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.31 % Number of cores: 8
% 0.11/0.31 % Python version: Python 3.6.8
% 0.11/0.32 % Running in FO mode
% 0.17/0.53 % Total configuration time : 435
% 0.17/0.53 % Estimated wc time : 1092
% 0.17/0.53 % Estimated cpu time (7 cpus) : 156.0
% 0.72/0.59 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.72/0.59 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.72/0.59 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.72/0.60 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.72/0.62 % Solved by fo/fo1_av.sh.
% 0.72/0.62 % done 11 iterations in 0.009s
% 0.72/0.62 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.72/0.62 % SZS output start Refutation
% See solution above
% 0.72/0.62
% 0.72/0.62
% 0.72/0.62 % Terminating...
% 1.09/0.65 % Runner terminated.
% 1.28/0.67 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------