%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET081-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.YrbH4CGQJu 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 04:51:29 PM UTC 2025
% Result : Unsatisfiable 0.53s 0.78s
% Output : Refutation 0.53s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SET081-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.07/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.YrbH4CGQJu true
% 0.13/0.35 % Computer : n023.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 300
% 0.13/0.35 % DateTime : Wed Oct 1 13:16:53 EDT 2025
% 0.13/0.35 % CPUTime :
% 0.13/0.35 % Running portfolio for 300 s
% 0.13/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35 % Number of cores: 8
% 0.13/0.36 % Python version: Python 3.6.8
% 0.13/0.36 % Running in FO mode
% 0.53/0.63 % Total configuration time : 435
% 0.53/0.63 % Estimated wc time : 1092
% 0.53/0.63 % Estimated cpu time (7 cpus) : 156.0
% 0.53/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.53/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.53/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.53/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.53/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.53/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.53/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.53/0.78 % Solved by fo/fo6_bce.sh.
% 0.53/0.78 % BCE start: 126
% 0.53/0.78 % BCE eliminated: 0
% 0.53/0.78 % PE start: 126
% 0.53/0.78 logic: eq
% 0.53/0.78 % PE eliminated: 16
% 0.53/0.78 % done 35 iterations in 0.055s
% 0.53/0.78 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.53/0.78 % SZS output start Refutation
% 0.53/0.78 thf(y_type, type, y: $i).
% 0.53/0.78 thf(member_type, type, member: $i > $i > $o).
% 0.53/0.78 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.53/0.78 thf(x_type, type, x: $i).
% 0.53/0.78 thf(singleton_type, type, singleton: $i > $i).
% 0.53/0.78 thf(prove_only_member_in_singleton_1, conjecture,
% 0.53/0.78 (~( member @ y @ ( singleton @ x ) ))).
% 0.53/0.78 thf(zf_stmt_0, negated_conjecture, (member @ y @ ( singleton @ x )),
% 0.53/0.78 inference('cnf.neg', [status(esa)], [prove_only_member_in_singleton_1])).
% 0.53/0.78 thf(zip_derived_cl124, plain, ( (member @ y @ (singleton @ x))),
% 0.53/0.78 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.53/0.78 thf(singleton_set, axiom, (( unordered_pair @ X @ X ) = ( singleton @ X ))).
% 0.53/0.78 thf(zip_derived_cl11, plain,
% 0.53/0.78 (![X0 : $i]: ((unordered_pair @ X0 @ X0) = (singleton @ X0))),
% 0.53/0.78 inference('cnf', [status(esa)], [singleton_set])).
% 0.53/0.78 thf(zip_derived_cl543, plain, ( (member @ y @ (unordered_pair @ x @ x))),
% 0.53/0.78 inference('demod', [status(thm)], [zip_derived_cl124, zip_derived_cl11])).
% 0.53/0.78 thf(unordered_pair_member, axiom,
% 0.53/0.78 (( ~( member @ U @ ( unordered_pair @ X @ Y ) ) ) | ( ( U ) = ( X ) ) |
% 0.53/0.78 ( ( U ) = ( Y ) ))).
% 0.53/0.78 thf(zip_derived_cl7, plain,
% 0.53/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.53/0.78 (~ (member @ X0 @ (unordered_pair @ X1 @ X2))
% 0.53/0.78 | ((X0) = (X1))
% 0.53/0.78 | ((X0) = (X2)))),
% 0.53/0.78 inference('cnf', [status(esa)], [unordered_pair_member])).
% 0.53/0.78 thf(zip_derived_cl586, plain, ((((y) = (x)) | ((y) = (x)))),
% 0.53/0.78 inference('s_sup-', [status(thm)], [zip_derived_cl543, zip_derived_cl7])).
% 0.53/0.78 thf(zip_derived_cl589, plain, (((y) = (x))),
% 0.53/0.78 inference('simplify', [status(thm)], [zip_derived_cl586])).
% 0.53/0.78 thf(prove_only_member_in_singleton_2, conjecture, (( y ) = ( x ))).
% 0.53/0.78 thf(zf_stmt_1, negated_conjecture, (( y ) != ( x )),
% 0.53/0.78 inference('cnf.neg', [status(esa)], [prove_only_member_in_singleton_2])).
% 0.53/0.78 thf(zip_derived_cl125, plain, (((y) != (x))),
% 0.53/0.78 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.53/0.78 thf(zip_derived_cl590, plain, ($false),
% 0.53/0.78 inference('simplify_reflect-', [status(thm)],
% 0.53/0.78 [zip_derived_cl589, zip_derived_cl125])).
% 0.53/0.78
% 0.53/0.78 % SZS output end Refutation
% 0.53/0.78
% 0.53/0.78
% 0.53/0.78 % Terminating...
% 0.56/0.84 % Runner terminated.
% 0.56/0.85 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------