%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU161+2 : TPTP v9.2.0. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.LXwn1t2fSG true
% Computer : n011.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 04:53:39 PM UTC 2025
% Result : Theorem 0.51s 0.84s
% Output : Refutation 0.51s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 3
% Syntax : Number of formulae : 13 ( 9 unt; 0 typ; 0 def)
% Number of atoms : 17 ( 11 equ; 0 cnn)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 54 ( 4 ~; 1 |; 0 &; 46 @)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 14 ( 0 ^; 14 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
thf(sk__21_type,type,
sk__21: $i ).
thf(singleton_type,type,
singleton: $i > $i ).
thf(sk__20_type,type,
sk__20: $i ).
thf(in_type,type,
in: $i > $i > $o ).
thf(set_union2_type,type,
set_union2: $i > $i > $i ).
thf(t46_zfmisc_1,conjecture,
! [A: $i,B: $i] :
( ( in @ A @ B )
=> ( ( set_union2 @ ( singleton @ A ) @ B )
= B ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [A: $i,B: $i] :
( ( in @ A @ B )
=> ( ( set_union2 @ ( singleton @ A ) @ B )
= B ) ),
inference('cnf.neg',[status(esa)],[t46_zfmisc_1]) ).
thf(zip_derived_cl137,plain,
in @ sk__20 @ sk__21,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(l23_zfmisc_1,axiom,
! [A: $i,B: $i] :
( ( in @ A @ B )
=> ( ( set_union2 @ ( singleton @ A ) @ B )
= B ) ) ).
thf(zip_derived_cl83,plain,
! [X0: $i,X1: $i] :
( ( ( set_union2 @ ( singleton @ X1 ) @ X0 )
= X0 )
| ~ ( in @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[l23_zfmisc_1]) ).
thf(zip_derived_cl273,plain,
( ( set_union2 @ ( singleton @ sk__20 ) @ sk__21 )
= sk__21 ),
inference('sup-',[status(thm)],[zip_derived_cl137,zip_derived_cl83]) ).
thf(commutativity_k2_xboole_0,axiom,
! [A: $i,B: $i] :
( ( set_union2 @ A @ B )
= ( set_union2 @ B @ A ) ) ).
thf(zip_derived_cl3,plain,
! [X0: $i,X1: $i] :
( ( set_union2 @ X1 @ X0 )
= ( set_union2 @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[commutativity_k2_xboole_0]) ).
thf(zip_derived_cl279,plain,
( ( set_union2 @ sk__21 @ ( singleton @ sk__20 ) )
= sk__21 ),
inference('sup+',[status(thm)],[zip_derived_cl273,zip_derived_cl3]) ).
thf(zip_derived_cl138,plain,
( ( set_union2 @ ( singleton @ sk__20 ) @ sk__21 )
!= sk__21 ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl3_001,plain,
! [X0: $i,X1: $i] :
( ( set_union2 @ X1 @ X0 )
= ( set_union2 @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[commutativity_k2_xboole_0]) ).
thf(zip_derived_cl204,plain,
( ( set_union2 @ sk__21 @ ( singleton @ sk__20 ) )
!= sk__21 ),
inference(demod,[status(thm)],[zip_derived_cl138,zip_derived_cl3]) ).
thf(zip_derived_cl283,plain,
$false,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl279,zip_derived_cl204]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12 % Problem : SEU161+2 : TPTP v9.2.0. Released v3.3.0.
% 0.06/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.LXwn1t2fSG true
% 0.13/0.34 % Computer : n011.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 300
% 0.13/0.34 % DateTime : Wed Oct 1 16:12:38 EDT 2025
% 0.13/0.34 % CPUTime :
% 0.13/0.34 % Running portfolio for 300 s
% 0.13/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.34 % Number of cores: 8
% 0.13/0.34 % Python version: Python 3.6.8
% 0.13/0.34 % Running in FO mode
% 0.41/0.60 % Total configuration time : 435
% 0.41/0.60 % Estimated wc time : 1092
% 0.41/0.60 % Estimated cpu time (7 cpus) : 156.0
% 0.50/0.69 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.50/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.50/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.50/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.50/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.50/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.50/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.51/0.84 % Solved by fo/fo5.sh.
% 0.51/0.84 % done 126 iterations in 0.071s
% 0.51/0.84 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.51/0.84 % SZS output start Refutation
% See solution above
% 0.51/0.84
% 0.51/0.84
% 0.51/0.84 % Terminating...
% 1.01/0.95 % Runner terminated.
% 1.01/0.97 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------