%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET073+1 : TPTP v9.2.0. Bugfixed v5.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.CdNH0ehhij true
% Computer : n031.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 04:51:27 PM UTC 2025
% Result : Theorem 0.45s 0.72s
% Output : Refutation 0.45s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 3
% Syntax : Number of formulae : 12 ( 6 unt; 0 typ; 0 def)
% Number of atoms : 22 ( 9 equ; 0 cnn)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 56 ( 12 ~; 6 |; 1 &; 34 @)
% ( 1 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 8 ( 6 usr; 5 con; 0-2 aty)
% Number of variables : 14 ( 0 ^; 14 !; 0 ?; 14 :)
% Comments :
%------------------------------------------------------------------------------
thf(member_type,type,
member: $i > $i > $o ).
thf(sk__type,type,
sk_: $i ).
thf(sk__1_type,type,
sk__1: $i ).
thf(null_class_type,type,
null_class: $i ).
thf(universal_class_type,type,
universal_class: $i ).
thf(unordered_pair_type,type,
unordered_pair: $i > $i > $i ).
thf(corollary1_1,conjecture,
! [X: $i,Y: $i] :
( ( member @ X @ universal_class )
=> ( ( unordered_pair @ X @ Y )
!= null_class ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [X: $i,Y: $i] :
( ( member @ X @ universal_class )
=> ( ( unordered_pair @ X @ Y )
!= null_class ) ),
inference('cnf.neg',[status(esa)],[corollary1_1]) ).
thf(zip_derived_cl9,plain,
member @ sk_ @ universal_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl8,plain,
( ( unordered_pair @ sk_ @ sk__1 )
= null_class ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(unordered_pair_defn,axiom,
! [U: $i,X: $i,Y: $i] :
( ( member @ U @ ( unordered_pair @ X @ Y ) )
<=> ( ( member @ U @ universal_class )
& ( ( U = X )
| ( U = Y ) ) ) ) ).
thf(zip_derived_cl3,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( member @ X0 @ ( unordered_pair @ X1 @ X2 ) )
| ( X0 != X1 )
| ~ ( member @ X0 @ universal_class ) ),
inference(cnf,[status(esa)],[unordered_pair_defn]) ).
thf(zip_derived_cl37,plain,
! [X0: $i] :
( ( member @ X0 @ null_class )
| ~ ( member @ X0 @ universal_class )
| ( X0 != sk_ ) ),
inference('sup+',[status(thm)],[zip_derived_cl8,zip_derived_cl3]) ).
thf(null_class_defn,axiom,
! [X: $i] :
~ ( member @ X @ null_class ) ).
thf(zip_derived_cl7,plain,
! [X0: $i] :
~ ( member @ X0 @ null_class ),
inference(cnf,[status(esa)],[null_class_defn]) ).
thf(zip_derived_cl38,plain,
! [X0: $i] :
( ( X0 != sk_ )
| ~ ( member @ X0 @ universal_class ) ),
inference(clc,[status(thm)],[zip_derived_cl37,zip_derived_cl7]) ).
thf(zip_derived_cl42,plain,
sk_ != sk_,
inference('sup-',[status(thm)],[zip_derived_cl9,zip_derived_cl38]) ).
thf(zip_derived_cl43,plain,
$false,
inference(simplify,[status(thm)],[zip_derived_cl42]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.10 % Problem : SET073+1 : TPTP v9.2.0. Bugfixed v5.4.0.
% 0.02/0.11 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.CdNH0ehhij true
% 0.09/0.31 % Computer : n031.cluster.edu
% 0.09/0.31 % Model : x86_64 x86_64
% 0.09/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.31 % Memory : 8042.1875MB
% 0.09/0.31 % OS : Linux 3.10.0-693.el7.x86_64
% 0.09/0.31 % CPULimit : 300
% 0.09/0.31 % WCLimit : 300
% 0.09/0.31 % DateTime : Wed Oct 1 13:02:23 EDT 2025
% 0.09/0.31 % CPUTime :
% 0.09/0.31 % Running portfolio for 300 s
% 0.09/0.31 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.31 % Number of cores: 8
% 0.09/0.32 % Python version: Python 3.6.8
% 0.09/0.32 % Running in FO mode
% 0.45/0.57 % Total configuration time : 435
% 0.45/0.57 % Estimated wc time : 1092
% 0.45/0.57 % Estimated cpu time (7 cpus) : 156.0
% 0.45/0.67 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.45/0.67 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.45/0.68 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.45/0.68 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.45/0.68 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.45/0.68 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.45/0.68 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.45/0.72 % Solved by fo/fo4.sh.
% 0.45/0.72 % done 24 iterations in 0.017s
% 0.45/0.72 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.45/0.72 % SZS output start Refutation
% See solution above
% 0.45/0.72
% 0.45/0.72
% 0.45/0.72 % Terminating...
% 0.52/0.79 % Runner terminated.
% 0.52/0.80 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------