%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU644^2 : TPTP v9.2.0. Released v3.7.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.iXp7KPUNpS 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 04:55:32 PM UTC 2025
% Result : Theorem 1.08s 0.75s
% Output : Refutation 1.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 8
% Syntax : Number of formulae : 16 ( 13 unt; 0 typ; 0 def)
% Number of atoms : 48 ( 23 equ; 0 cnn)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 89 ( 2 ~; 0 |; 5 &; 69 @)
% ( 0 <=>; 13 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 3 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 11 ( 9 usr; 6 con; 0-2 aty)
% Number of variables : 24 ( 3 ^; 16 !; 5 ?; 24 :)
% Comments :
%------------------------------------------------------------------------------
thf(sk__4_type,type,
sk__4: $i ).
thf(eqinunit_type,type,
eqinunit: $o ).
thf(in_type,type,
in: $i > $i > $o ).
thf(setadjoin_type,type,
setadjoin: $i > $i > $i ).
thf(singleton_type,type,
singleton: $i > $o ).
thf(setunionsingleton_type,type,
setunionsingleton: $o ).
thf(sk__5_type,type,
sk__5: $i ).
thf(setunion_type,type,
setunion: $i > $i ).
thf(emptyset_type,type,
emptyset: $i ).
thf(singleton,axiom,
( singleton
= ( ^ [A: $i] :
? [Xx: $i] :
( ( A
= ( setadjoin @ Xx @ emptyset ) )
& ( in @ Xx @ A ) ) ) ) ).
thf('0',plain,
( singleton
= ( ^ [A: $i] :
? [Xx: $i] :
( ( A
= ( setadjoin @ Xx @ emptyset ) )
& ( in @ Xx @ A ) ) ) ),
inference(simplify_rw_rule,[status(thm)],[singleton]) ).
thf('1',plain,
( singleton
= ( ^ [V_1: $i] :
? [X4: $i] :
( ( V_1
= ( setadjoin @ X4 @ emptyset ) )
& ( in @ X4 @ V_1 ) ) ) ),
define([status(thm)]) ).
thf(setunionsingleton,axiom,
( setunionsingleton
= ( ! [Xx: $i] :
( ( setunion @ ( setadjoin @ Xx @ emptyset ) )
= Xx ) ) ) ).
thf('2',plain,
( setunionsingleton
= ( ! [X4: $i] :
( ( setunion @ ( setadjoin @ X4 @ emptyset ) )
= X4 ) ) ),
define([status(thm)]) ).
thf(eqinunit,axiom,
( eqinunit
= ( ! [Xx: $i,Xy: $i] :
( ( Xx = Xy )
=> ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).
thf('3',plain,
( eqinunit
= ( ! [X4: $i,X6: $i] :
( ( X4 = X6 )
=> ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) ) ),
define([status(thm)]) ).
thf(theprop,conjecture,
( eqinunit
=> ( setunionsingleton
=> ! [X: $i] :
( ( singleton @ X )
=> ( in @ ( setunion @ X ) @ X ) ) ) ) ).
thf(zf_stmt_0,conjecture,
( ! [X4: $i,X6: $i] :
( ( X4 = X6 )
=> ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) )
=> ( ! [X8: $i] :
( ( setunion @ ( setadjoin @ X8 @ emptyset ) )
= X8 )
=> ! [X10: $i] :
( ? [X12: $i] :
( ( X10
= ( setadjoin @ X12 @ emptyset ) )
& ( in @ X12 @ X10 ) )
=> ( in @ ( setunion @ X10 ) @ X10 ) ) ) ) ).
thf(zf_stmt_1,negated_conjecture,
~ ( ! [X4: $i,X6: $i] :
( ( X4 = X6 )
=> ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) )
=> ( ! [X8: $i] :
( ( setunion @ ( setadjoin @ X8 @ emptyset ) )
= X8 )
=> ! [X10: $i] :
( ? [X12: $i] :
( ( X10
= ( setadjoin @ X12 @ emptyset ) )
& ( in @ X12 @ X10 ) )
=> ( in @ ( setunion @ X10 ) @ X10 ) ) ) ),
inference('cnf.neg',[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl1,plain,
~ ( in @ ( setunion @ sk__4 ) @ sk__4 ),
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(zip_derived_cl3,plain,
( sk__4
= ( setadjoin @ sk__5 @ emptyset ) ),
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(zip_derived_cl4,plain,
! [X2: $i] :
( ( setunion @ ( setadjoin @ X2 @ emptyset ) )
= X2 ),
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(zip_derived_cl5,plain,
( ( setunion @ sk__4 )
= sk__5 ),
inference('sup+',[status(thm)],[zip_derived_cl3,zip_derived_cl4]) ).
thf(zip_derived_cl2,plain,
in @ sk__5 @ sk__4,
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(zip_derived_cl7,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl1,zip_derived_cl5,zip_derived_cl2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.13 % Problem : SEU644^2 : TPTP v9.2.0. Released v3.7.0.
% 0.06/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.iXp7KPUNpS true
% 0.12/0.35 % Computer : n015.cluster.edu
% 0.12/0.35 % Model : x86_64 x86_64
% 0.12/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35 % Memory : 8042.1875MB
% 0.12/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35 % CPULimit : 300
% 0.12/0.35 % WCLimit : 300
% 0.12/0.35 % DateTime : Wed Oct 1 16:07:08 EDT 2025
% 0.12/0.35 % CPUTime :
% 0.12/0.35 % Running portfolio for 300 s
% 0.12/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.35 % Number of cores: 8
% 0.12/0.35 % Python version: Python 3.6.8
% 0.12/0.35 % Running in HO mode
% 0.72/0.64 % Total configuration time : 828
% 0.72/0.64 % Estimated wc time : 1656
% 0.72/0.64 % Estimated cpu time (8 cpus) : 207.0
% 1.08/0.71 % /export/starexec/sandbox2/solver/bin/lams/40_c.s.sh running for 80s
% 1.08/0.71 % /export/starexec/sandbox2/solver/bin/lams/35_full_unif4.sh running for 80s
% 1.08/0.71 % /export/starexec/sandbox2/solver/bin/lams/40_c_ic.sh running for 80s
% 1.08/0.72 % /export/starexec/sandbox2/solver/bin/lams/15_e_short1.sh running for 30s
% 1.08/0.72 % /export/starexec/sandbox2/solver/bin/lams/40_noforms.sh running for 90s
% 1.08/0.72 % /export/starexec/sandbox2/solver/bin/lams/40_b.comb.sh running for 70s
% 1.08/0.72 % /export/starexec/sandbox2/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 1.08/0.73 % /export/starexec/sandbox2/solver/bin/lams/30_sp5.sh running for 60s
% 1.08/0.75 % Solved by lams/40_c.s.sh.
% 1.08/0.75 % done 5 iterations in 0.008s
% 1.08/0.75 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.08/0.75 % SZS output start Refutation
% See solution above
% 1.08/0.75
% 1.08/0.75
% 1.08/0.76 % Terminating...
% 1.31/0.85 % Runner terminated.
% 1.87/0.86 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------