%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET024-4 : TPTP v9.2.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.KliLuP09eK 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 04:51:12 PM UTC 2025
% Result : Unsatisfiable 1.15s 2.31s
% Output : Refutation 1.15s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/1.06 % Problem : SET024-4 : TPTP v9.2.0. Released v1.0.0.
% 0.10/1.15 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.KliLuP09eK true
% 0.14/1.54 % Computer : n017.cluster.edu
% 0.14/1.54 % Model : x86_64 x86_64
% 0.14/1.54 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/1.54 % Memory : 8042.1875MB
% 0.14/1.54 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/1.54 % CPULimit : 300
% 0.14/1.54 % WCLimit : 300
% 0.14/1.54 % DateTime : Wed Oct 1 13:15:54 EDT 2025
% 0.14/1.55 % CPUTime :
% 0.14/1.55 % Running portfolio for 300 s
% 0.14/1.55 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/1.57 % Number of cores: 8
% 0.14/1.57 % Python version: Python 3.6.8
% 0.14/1.58 % Running in FO mode
% 0.25/1.91 % Total configuration time : 435
% 0.25/1.91 % Estimated wc time : 1092
% 0.25/1.91 % Estimated cpu time (7 cpus) : 156.0
% 0.26/2.05 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.26/2.10 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.26/2.23 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.26/2.24 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.26/2.27 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.26/2.28 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 1.15/2.31 % Solved by fo/fo3_bce.sh.
% 1.15/2.31 % BCE start: 16
% 1.15/2.31 % BCE eliminated: 2
% 1.15/2.31 % PE start: 14
% 1.15/2.31 logic: eq
% 1.15/2.31 % PE eliminated: 0
% 1.15/2.31 % done 15 iterations in 0.047s
% 1.15/2.31 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.15/2.31 % SZS output start Refutation
% 1.15/2.31 thf(singleton_set_type, type, singleton_set: $i > $i).
% 1.15/2.31 thf(non_ordered_pair_type, type, non_ordered_pair: $i > $i > $i).
% 1.15/2.31 thf(member_type, type, member: $i > $i > $o).
% 1.15/2.31 thf(little_set_type, type, little_set: $i > $o).
% 1.15/2.31 thf(a_type, type, a: $i).
% 1.15/2.31 thf(prove_membership_of_singleton_set, conjecture,
% 1.15/2.31 (member @ a @ ( singleton_set @ a ))).
% 1.15/2.31 thf(zf_stmt_0, negated_conjecture, (~( member @ a @ ( singleton_set @ a ) )),
% 1.15/2.31 inference('cnf.neg', [status(esa)], [prove_membership_of_singleton_set])).
% 1.15/2.31 thf(zip_derived_cl15, plain, (~ (member @ a @ (singleton_set @ a))),
% 1.15/2.31 inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.15/2.31 thf(singleton_set, axiom,
% 1.15/2.31 (( singleton_set @ X ) = ( non_ordered_pair @ X @ X ))).
% 1.15/2.31 thf(zip_derived_cl5, plain,
% 1.15/2.31 (![X0 : $i]: ((singleton_set @ X0) = (non_ordered_pair @ X0 @ X0))),
% 1.15/2.31 inference('cnf', [status(esa)], [singleton_set])).
% 1.15/2.31 thf(non_ordered_pair2, axiom,
% 1.15/2.31 (( member @ U @ ( non_ordered_pair @ X @ Y ) ) | ( ~( little_set @ U ) ) |
% 1.15/2.31 ( ( U ) != ( X ) ))).
% 1.15/2.31 thf(zip_derived_cl2, plain,
% 1.15/2.31 (![X0 : $i, X1 : $i, X2 : $i]:
% 1.15/2.31 ( (member @ X0 @ (non_ordered_pair @ X1 @ X2))
% 1.15/2.31 | ~ (little_set @ X0)
% 1.15/2.31 | ((X0) != (X1)))),
% 1.15/2.31 inference('cnf', [status(esa)], [non_ordered_pair2])).
% 1.15/2.31 thf(zip_derived_cl65, plain,
% 1.15/2.31 (![X0 : $i, X1 : $i]:
% 1.15/2.31 ( (member @ X1 @ (singleton_set @ X0))
% 1.15/2.31 | ((X1) != (X0))
% 1.15/2.31 | ~ (little_set @ X1))),
% 1.15/2.31 inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl2])).
% 1.15/2.31 thf(zip_derived_cl74, plain, ((~ (little_set @ a) | ((a) != (a)))),
% 1.15/2.31 inference('sup+', [status(thm)], [zip_derived_cl15, zip_derived_cl65])).
% 1.15/2.31 thf(a_little_set, axiom, (little_set @ a)).
% 1.15/2.31 thf(zip_derived_cl14, plain, ( (little_set @ a)),
% 1.15/2.31 inference('cnf', [status(esa)], [a_little_set])).
% 1.15/2.31 thf(zip_derived_cl75, plain, (((a) != (a))),
% 1.15/2.31 inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl14])).
% 1.15/2.31 thf(zip_derived_cl76, plain, ($false),
% 1.15/2.31 inference('simplify', [status(thm)], [zip_derived_cl75])).
% 1.15/2.31
% 1.15/2.31 % SZS output end Refutation
% 1.15/2.31
% 1.15/2.31
% 1.15/2.31 % Terminating...
% 1.26/2.49 % Runner terminated.
% 1.26/2.51 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------