%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET020+1 : TPTP v9.2.0. Bugfixed v5.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.A4TTJNzloR true
% Computer : n023.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 04:51:11 PM UTC 2025
% Result : Theorem 0.50s 0.74s
% Output : Refutation 0.50s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 2
% Syntax : Number of formulae : 19 ( 10 unt; 0 typ; 0 def)
% Number of atoms : 40 ( 21 equ; 0 cnn)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 103 ( 14 ~; 10 |; 8 &; 68 @)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 8 usr; 5 con; 0-2 aty)
% Number of variables : 12 ( 0 ^; 12 !; 0 ?; 12 :)
% Comments :
%------------------------------------------------------------------------------
thf(member_type,type,
member: $i > $i > $o ).
thf(ordered_pair_type,type,
ordered_pair: $i > $i > $i ).
thf(second_type,type,
second: $i > $i ).
thf(sk__7_type,type,
sk__7: $i ).
thf(sk__9_type,type,
sk__9: $i ).
thf(first_type,type,
first: $i > $i ).
thf(sk__8_type,type,
sk__8: $i ).
thf(universal_class_type,type,
universal_class: $i ).
thf(unique_1st_and_2nd_in_pair_of_sets1,conjecture,
! [U: $i,V: $i,X: $i] :
( ( ( member @ U @ universal_class )
& ( member @ V @ universal_class )
& ( X
= ( ordered_pair @ U @ V ) ) )
=> ( ( ( first @ X )
= U )
& ( ( second @ X )
= V ) ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [U: $i,V: $i,X: $i] :
( ( ( member @ U @ universal_class )
& ( member @ V @ universal_class )
& ( X
= ( ordered_pair @ U @ V ) ) )
=> ( ( ( first @ X )
= U )
& ( ( second @ X )
= V ) ) ),
inference('cnf.neg',[status(esa)],[unique_1st_and_2nd_in_pair_of_sets1]) ).
thf(zip_derived_cl90,plain,
( sk__9
= ( ordered_pair @ sk__7 @ sk__8 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(first_second,axiom,
! [X: $i,Y: $i] :
( ( ( member @ X @ universal_class )
& ( member @ Y @ universal_class ) )
=> ( ( ( first @ ( ordered_pair @ X @ Y ) )
= X )
& ( ( second @ ( ordered_pair @ X @ Y ) )
= Y ) ) ) ).
thf(zip_derived_cl18,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X0 @ universal_class )
| ~ ( member @ X1 @ universal_class )
| ( ( first @ ( ordered_pair @ X0 @ X1 ) )
= X0 ) ),
inference(cnf,[status(esa)],[first_second]) ).
thf(zip_derived_cl502,plain,
( ~ ( member @ sk__7 @ universal_class )
| ~ ( member @ sk__8 @ universal_class )
| ( ( first @ sk__9 )
= sk__7 ) ),
inference('s_sup+',[status(thm)],[zip_derived_cl90,zip_derived_cl18]) ).
thf(zip_derived_cl91,plain,
member @ sk__7 @ universal_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl92,plain,
member @ sk__8 @ universal_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl503,plain,
( ( first @ sk__9 )
= sk__7 ),
inference(demod,[status(thm)],[zip_derived_cl502,zip_derived_cl91,zip_derived_cl92]) ).
thf(zip_derived_cl89,plain,
( ( ( first @ sk__9 )
!= sk__7 )
| ( ( second @ sk__9 )
!= sk__8 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl90_001,plain,
( sk__9
= ( ordered_pair @ sk__7 @ sk__8 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl17,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X0 @ universal_class )
| ~ ( member @ X1 @ universal_class )
| ( ( second @ ( ordered_pair @ X0 @ X1 ) )
= X1 ) ),
inference(cnf,[status(esa)],[first_second]) ).
thf(zip_derived_cl498,plain,
( ~ ( member @ sk__7 @ universal_class )
| ~ ( member @ sk__8 @ universal_class )
| ( ( second @ sk__9 )
= sk__8 ) ),
inference('s_sup+',[status(thm)],[zip_derived_cl90,zip_derived_cl17]) ).
thf(zip_derived_cl91_002,plain,
member @ sk__7 @ universal_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl92_003,plain,
member @ sk__8 @ universal_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl499,plain,
( ( second @ sk__9 )
= sk__8 ),
inference(demod,[status(thm)],[zip_derived_cl498,zip_derived_cl91,zip_derived_cl92]) ).
thf(zip_derived_cl500,plain,
( ( ( first @ sk__9 )
!= sk__7 )
| ( sk__8 != sk__8 ) ),
inference(demod,[status(thm)],[zip_derived_cl89,zip_derived_cl499]) ).
thf(zip_derived_cl501,plain,
( ( first @ sk__9 )
!= sk__7 ),
inference(simplify,[status(thm)],[zip_derived_cl500]) ).
thf(zip_derived_cl504,plain,
$false,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl503,zip_derived_cl501]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13 % Problem : SET020+1 : TPTP v9.2.0. Bugfixed v5.4.0.
% 0.03/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.A4TTJNzloR true
% 0.14/0.34 % Computer : n023.cluster.edu
% 0.14/0.34 % Model : x86_64 x86_64
% 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34 % Memory : 8042.1875MB
% 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34 % CPULimit : 300
% 0.14/0.34 % WCLimit : 300
% 0.14/0.34 % DateTime : Wed Oct 1 13:20:08 EDT 2025
% 0.14/0.35 % CPUTime :
% 0.14/0.35 % Running portfolio for 300 s
% 0.14/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.35 % Number of cores: 8
% 0.14/0.35 % Python version: Python 3.6.8
% 0.14/0.35 % Running in FO mode
% 0.46/0.62 % Total configuration time : 435
% 0.46/0.62 % Estimated wc time : 1092
% 0.46/0.62 % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.68 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.49/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.49/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.49/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.49/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.50/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.50/0.74 % Solved by fo/fo6_bce.sh.
% 0.50/0.74 % BCE start: 93
% 0.50/0.74 % BCE eliminated: 0
% 0.50/0.74 % PE start: 93
% 0.50/0.74 logic: eq
% 0.50/0.74 % PE eliminated: 5
% 0.50/0.74 % done 62 iterations in 0.036s
% 0.50/0.74 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.50/0.74 % SZS output start Refutation
% See solution above
% 0.50/0.74
% 0.50/0.74
% 0.50/0.74 % Terminating...
% 1.46/0.83 % Runner terminated.
% 1.46/0.84 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------