%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET082-6 : 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.pWDqqgv9zE true
% Computer : n018.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
% 0.11/0.13 % Problem : SET082-6 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.11/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.pWDqqgv9zE true
% 0.13/0.35 % Computer : n018.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 13:05:38 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
% 0.13/0.35 % 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
% 0.53/0.69 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.53/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.53/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.53/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.53/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo4.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 63 iterations in 0.071s
% 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(universal_class_type, type, universal_class: $i).
% 0.55/0.79 thf(null_class_type, type, null_class: $i).
% 0.55/0.79 thf(member_type, type, member: $i > $i > $o).
% 0.55/0.79 thf(x_type, type, x: $i).
% 0.55/0.79 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.55/0.79 thf(singleton_type, type, singleton: $i > $i).
% 0.55/0.79 thf(subclass_type, type, subclass: $i > $i > $o).
% 0.55/0.79 thf(regular_type, type, regular: $i > $i).
% 0.55/0.79 thf(prove_singleton_is_null_class_1, conjecture,
% 0.55/0.79 (member @ x @ universal_class)).
% 0.55/0.79 thf(zf_stmt_0, negated_conjecture, (~( member @ x @ universal_class )),
% 0.55/0.79 inference('cnf.neg', [status(esa)], [prove_singleton_is_null_class_1])).
% 0.55/0.79 thf(zip_derived_cl91, plain, (~ (member @ x @ universal_class)),
% 0.55/0.79 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/0.79 thf(regularity1, axiom,
% 0.55/0.79 (( ( X ) = ( null_class ) ) | ( member @ ( regular @ X ) @ X ))).
% 0.55/0.79 thf(zip_derived_cl65, plain,
% 0.55/0.79 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 0.55/0.79 inference('cnf', [status(esa)], [regularity1])).
% 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_cl437, 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_cl438, 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_cl437])).
% 0.55/0.79 thf(zip_derived_cl499, plain,
% 0.55/0.79 (![X0 : $i]:
% 0.55/0.79 (((singleton @ X0) = (null_class))
% 0.55/0.79 | ((regular @ (singleton @ X0)) = (X0)))),
% 0.55/0.79 inference('s_sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl438])).
% 0.55/0.79 thf(zip_derived_cl65, plain,
% 0.55/0.79 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 0.55/0.79 inference('cnf', [status(esa)], [regularity1])).
% 0.55/0.79 thf(class_elements_are_sets, axiom, (subclass @ X @ universal_class)).
% 0.55/0.79 thf(zip_derived_cl3, plain, (![X0 : $i]: (subclass @ X0 @ universal_class)),
% 0.55/0.79 inference('cnf', [status(esa)], [class_elements_are_sets])).
% 0.55/0.79 thf(subclass_members, axiom,
% 0.55/0.79 (( ~( subclass @ X @ Y ) ) | ( ~( member @ U @ X ) ) | ( member @ U @ Y ))).
% 0.55/0.79 thf(zip_derived_cl0, plain,
% 0.55/0.79 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.79 (~ (subclass @ X0 @ X1) | ~ (member @ X2 @ X0) | (member @ X2 @ X1))),
% 0.55/0.79 inference('cnf', [status(esa)], [subclass_members])).
% 0.55/0.79 thf(zip_derived_cl418, plain,
% 0.55/0.79 (![X0 : $i, X1 : $i]:
% 0.55/0.79 (~ (member @ X1 @ X0) | (member @ X1 @ universal_class))),
% 0.55/0.79 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 0.55/0.79 thf(zip_derived_cl497, plain,
% 0.55/0.79 (![X0 : $i]:
% 0.55/0.79 (((X0) = (null_class)) | (member @ (regular @ X0) @ universal_class))),
% 0.55/0.79 inference('s_sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl418])).
% 0.55/0.79 thf(zip_derived_cl506, plain,
% 0.55/0.79 (![X0 : $i]:
% 0.55/0.79 (((singleton @ X0) = (null_class))
% 0.55/0.79 | ((singleton @ X0) = (null_class))
% 0.55/0.79 | (member @ X0 @ universal_class))),
% 0.55/0.79 inference('s_sup+', [status(thm)], [zip_derived_cl499, zip_derived_cl497])).
% 0.55/0.79 thf(zip_derived_cl508, plain,
% 0.55/0.79 (![X0 : $i]:
% 0.55/0.79 ( (member @ X0 @ universal_class) | ((singleton @ X0) = (null_class)))),
% 0.55/0.79 inference('simplify', [status(thm)], [zip_derived_cl506])).
% 0.55/0.79 thf(prove_singleton_is_null_class_2, conjecture,
% 0.55/0.79 (( singleton @ x ) = ( null_class ))).
% 0.55/0.79 thf(zf_stmt_1, negated_conjecture, (( singleton @ x ) != ( null_class )),
% 0.55/0.79 inference('cnf.neg', [status(esa)], [prove_singleton_is_null_class_2])).
% 0.55/0.79 thf(zip_derived_cl92, plain, (((singleton @ x) != (null_class))),
% 0.55/0.79 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.79 thf(zip_derived_cl516, plain,
% 0.55/0.79 (( (member @ x @ universal_class) | ((null_class) != (null_class)))),
% 0.55/0.79 inference('s_sup-', [status(thm)], [zip_derived_cl508, zip_derived_cl92])).
% 0.55/0.79 thf(zip_derived_cl517, plain, ( (member @ x @ universal_class)),
% 0.55/0.79 inference('simplify', [status(thm)], [zip_derived_cl516])).
% 0.55/0.79 thf(zip_derived_cl522, plain, ($false),
% 0.55/0.79 inference('demod', [status(thm)], [zip_derived_cl91, zip_derived_cl517])).
% 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...
% 0.55/0.83 % Runner terminated.
% 0.55/0.84 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------