%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET081-6 : 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.hlTm3np1JT true
% Computer : n021.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 0.55s 0.79s
% Output : Refutation 0.55s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.13 % Problem : SET081-6 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.06/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.hlTm3np1JT true
% 0.13/0.35 % Computer : n021.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 13:03:38 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
% 0.53/0.64 % Total configuration time : 435
% 0.53/0.64 % Estimated wc time : 1092
% 0.53/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.53/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.55/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.55/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.55/0.79 % Solved by fo/fo6_bce.sh.
% 0.55/0.79 % BCE start: 93
% 0.55/0.79 % BCE eliminated: 0
% 0.55/0.79 % PE start: 93
% 0.55/0.79 logic: eq
% 0.55/0.79 % PE eliminated: 16
% 0.55/0.79 % done 22 iterations in 0.044s
% 0.55/0.79 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.55/0.79 % SZS output start Refutation
% 0.55/0.79 thf(member_type, type, member: $i > $i > $o).
% 0.55/0.79 thf(y_type, type, y: $i).
% 0.55/0.79 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.55/0.79 thf(x_type, type, x: $i).
% 0.55/0.79 thf(singleton_type, type, singleton: $i > $i).
% 0.55/0.79 thf(prove_only_member_in_singleton_1, conjecture,
% 0.55/0.79 (~( member @ y @ ( singleton @ x ) ))).
% 0.55/0.79 thf(zf_stmt_0, negated_conjecture, (member @ y @ ( singleton @ x )),
% 0.55/0.79 inference('cnf.neg', [status(esa)], [prove_only_member_in_singleton_1])).
% 0.55/0.79 thf(zip_derived_cl91, plain, ( (member @ y @ (singleton @ x))),
% 0.55/0.79 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/0.79 thf(singleton_set, axiom, (( unordered_pair @ X @ X ) = ( singleton @ X ))).
% 0.55/0.79 thf(zip_derived_cl11, plain,
% 0.55/0.79 (![X0 : $i]: ((unordered_pair @ X0 @ X0) = (singleton @ X0))),
% 0.55/0.79 inference('cnf', [status(esa)], [singleton_set])).
% 0.55/0.79 thf(unordered_pair_member, axiom,
% 0.55/0.79 (( ~( member @ U @ ( unordered_pair @ X @ Y ) ) ) | ( ( U ) = ( X ) ) |
% 0.55/0.79 ( ( U ) = ( Y ) ))).
% 0.55/0.79 thf(zip_derived_cl7, plain,
% 0.55/0.79 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.79 (~ (member @ X0 @ (unordered_pair @ X1 @ X2))
% 0.55/0.79 | ((X0) = (X1))
% 0.55/0.79 | ((X0) = (X2)))),
% 0.55/0.79 inference('cnf', [status(esa)], [unordered_pair_member])).
% 0.55/0.79 thf(zip_derived_cl438, plain,
% 0.55/0.79 (![X0 : $i, X1 : $i]:
% 0.55/0.79 (~ (member @ X1 @ (singleton @ X0)) | ((X1) = (X0)) | ((X1) = (X0)))),
% 0.55/0.79 inference('s_sup-', [status(thm)], [zip_derived_cl11, zip_derived_cl7])).
% 0.55/0.79 thf(zip_derived_cl439, plain,
% 0.55/0.79 (![X0 : $i, X1 : $i]:
% 0.55/0.79 (((X1) = (X0)) | ~ (member @ X1 @ (singleton @ X0)))),
% 0.55/0.79 inference('simplify', [status(thm)], [zip_derived_cl438])).
% 0.55/0.79 thf(zip_derived_cl441, plain, (((y) = (x))),
% 0.55/0.79 inference('s_sup-', [status(thm)], [zip_derived_cl91, zip_derived_cl439])).
% 0.55/0.79 thf(prove_only_member_in_singleton_2, conjecture, (( y ) = ( x ))).
% 0.55/0.79 thf(zf_stmt_1, negated_conjecture, (( y ) != ( x )),
% 0.55/0.79 inference('cnf.neg', [status(esa)], [prove_only_member_in_singleton_2])).
% 0.55/0.79 thf(zip_derived_cl92, plain, (((y) != (x))),
% 0.55/0.79 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.79 thf(zip_derived_cl442, plain, ($false),
% 0.55/0.79 inference('simplify_reflect-', [status(thm)],
% 0.55/0.79 [zip_derived_cl441, zip_derived_cl92])).
% 0.55/0.79
% 0.55/0.79 % SZS output end Refutation
% 0.55/0.79
% 0.55/0.79
% 0.55/0.79 % Terminating...
% 1.74/0.86 % Runner terminated.
% 1.74/0.87 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------