%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET077-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.U4XOibSo6O true
% Computer : n001.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 04:51:28 PM UTC 2025
% Result : Unsatisfiable 0.54s 0.74s
% Output : Refutation 0.54s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET077-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.14/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.U4XOibSo6O true
% 0.14/0.34 % Computer : n001.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 13:23:08 EDT 2025
% 0.14/0.34 % CPUTime :
% 0.14/0.34 % Running portfolio for 300 s
% 0.14/0.34 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.34 % Number of cores: 8
% 0.20/0.35 % Python version: Python 3.6.8
% 0.20/0.35 % Running in FO mode
% 0.54/0.66 % Total configuration time : 435
% 0.54/0.66 % Estimated wc time : 1092
% 0.54/0.66 % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.68 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.54/0.69 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.72 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.73 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.74 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.74 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.74 % Solved by fo/fo3_bce.sh.
% 0.54/0.74 % BCE start: 61
% 0.54/0.74 % BCE eliminated: 2
% 0.54/0.74 % PE start: 59
% 0.54/0.74 logic: eq
% 0.54/0.74 % PE eliminated: 9
% 0.54/0.74 % done 34 iterations in 0.025s
% 0.54/0.74 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.54/0.74 % SZS output start Refutation
% 0.54/0.74 thf(universal_class_type, type, universal_class: $i).
% 0.54/0.74 thf(member_type, type, member: $i > $i > $o).
% 0.54/0.74 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.54/0.74 thf(singleton_type, type, singleton: $i > $i).
% 0.54/0.74 thf(x_type, type, x: $i).
% 0.54/0.74 thf(prove_singletons_are_sets_1, conjecture,
% 0.54/0.74 (member @ ( singleton @ x ) @ universal_class)).
% 0.54/0.74 thf(zf_stmt_0, negated_conjecture,
% 0.54/0.74 (~( member @ ( singleton @ x ) @ universal_class )),
% 0.54/0.74 inference('cnf.neg', [status(esa)], [prove_singletons_are_sets_1])).
% 0.54/0.74 thf(zip_derived_cl60, plain,
% 0.54/0.74 (~ (member @ (singleton @ x) @ universal_class)),
% 0.54/0.74 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.54/0.74 thf(singleton_set, axiom, (( unordered_pair @ X @ X ) = ( singleton @ X ))).
% 0.54/0.74 thf(zip_derived_cl9, plain,
% 0.54/0.74 (![X0 : $i]: ((unordered_pair @ X0 @ X0) = (singleton @ X0))),
% 0.54/0.74 inference('cnf', [status(esa)], [singleton_set])).
% 0.54/0.74 thf(unordered_pairs_in_universal, axiom,
% 0.54/0.74 (member @ ( unordered_pair @ X @ Y ) @ universal_class)).
% 0.54/0.74 thf(zip_derived_cl8, plain,
% 0.54/0.74 (![X0 : $i, X1 : $i]:
% 0.54/0.74 (member @ (unordered_pair @ X0 @ X1) @ universal_class)),
% 0.54/0.74 inference('cnf', [status(esa)], [unordered_pairs_in_universal])).
% 0.54/0.74 thf(zip_derived_cl294, plain,
% 0.54/0.74 (![X0 : $i]: (member @ (singleton @ X0) @ universal_class)),
% 0.54/0.74 inference('sup+', [status(thm)], [zip_derived_cl9, zip_derived_cl8])).
% 0.54/0.74 thf(zip_derived_cl301, plain, ($false),
% 0.54/0.74 inference('demod', [status(thm)], [zip_derived_cl60, zip_derived_cl294])).
% 0.54/0.74
% 0.54/0.74 % SZS output end Refutation
% 0.54/0.74
% 0.54/0.74
% 0.54/0.74 % Terminating...
% 1.63/0.85 % Runner terminated.
% 1.63/0.86 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------