%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET025-6 : 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.jk3kW3wR8d true
% Computer : n019.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 04:51:13 PM UTC 2025
% Result : Unsatisfiable 0.58s 0.82s
% Output : Refutation 0.58s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13 % Problem : SET025-6 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.03/0.14 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.jk3kW3wR8d true
% 0.13/0.35 % Computer : n019.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 13:04:23 EDT 2025
% 0.13/0.35 % CPUTime :
% 0.13/0.35 % Running portfolio for 300 s
% 0.13/0.35 % File : /export/starexec/sandbox/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
% 0.58/0.68 % Total configuration time : 435
% 0.58/0.68 % Estimated wc time : 1092
% 0.58/0.68 % Estimated cpu time (7 cpus) : 156.0
% 0.58/0.71 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.58/0.76 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.58/0.78 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.58/0.78 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.58/0.78 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.58/0.82 % Solved by fo/fo6_bce.sh.
% 0.58/0.82 % BCE start: 92
% 0.58/0.82 % BCE eliminated: 0
% 0.58/0.82 % PE start: 92
% 0.58/0.82 logic: eq
% 0.58/0.82 % PE eliminated: 16
% 0.58/0.82 % done 36 iterations in 0.075s
% 0.58/0.82 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.58/0.82 % SZS output start Refutation
% 0.58/0.82 thf(universal_class_type, type, universal_class: $i).
% 0.58/0.82 thf(member_type, type, member: $i > $i > $o).
% 0.58/0.82 thf(x_type, type, x: $i).
% 0.58/0.82 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.58/0.82 thf(y_type, type, y: $i).
% 0.58/0.82 thf(singleton_type, type, singleton: $i > $i).
% 0.58/0.82 thf(ordered_pair_type, type, ordered_pair: $i > $i > $i).
% 0.58/0.82 thf(prove_ordered_pair_is_set_1, conjecture,
% 0.58/0.82 (member @ ( ordered_pair @ x @ y ) @ universal_class)).
% 0.58/0.82 thf(zf_stmt_0, negated_conjecture,
% 0.58/0.82 (~( member @ ( ordered_pair @ x @ y ) @ universal_class )),
% 0.58/0.82 inference('cnf.neg', [status(esa)], [prove_ordered_pair_is_set_1])).
% 0.58/0.82 thf(zip_derived_cl91, plain,
% 0.58/0.82 (~ (member @ (ordered_pair @ x @ y) @ universal_class)),
% 0.58/0.82 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.58/0.82 thf(ordered_pair, axiom,
% 0.58/0.82 (( unordered_pair @
% 0.58/0.82 ( singleton @ X ) @ ( unordered_pair @ X @ ( singleton @ Y ) ) ) =
% 0.58/0.82 ( ordered_pair @ X @ Y ))).
% 0.58/0.82 thf(zip_derived_cl12, plain,
% 0.58/0.82 (![X0 : $i, X1 : $i]:
% 0.58/0.82 ((unordered_pair @ (singleton @ X0) @
% 0.58/0.82 (unordered_pair @ X0 @ (singleton @ X1))) = (ordered_pair @ X0 @ X1))),
% 0.58/0.82 inference('cnf', [status(esa)], [ordered_pair])).
% 0.58/0.82 thf(unordered_pairs_in_universal, axiom,
% 0.58/0.82 (member @ ( unordered_pair @ X @ Y ) @ universal_class)).
% 0.58/0.82 thf(zip_derived_cl10, plain,
% 0.58/0.82 (![X0 : $i, X1 : $i]:
% 0.58/0.82 (member @ (unordered_pair @ X0 @ X1) @ universal_class)),
% 0.58/0.82 inference('cnf', [status(esa)], [unordered_pairs_in_universal])).
% 0.58/0.82 thf(zip_derived_cl457, plain,
% 0.58/0.82 (![X0 : $i, X1 : $i]:
% 0.58/0.82 (member @ (ordered_pair @ X1 @ X0) @ universal_class)),
% 0.58/0.82 inference('s_sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl10])).
% 0.58/0.82 thf(zip_derived_cl462, plain, ($false),
% 0.58/0.82 inference('demod', [status(thm)], [zip_derived_cl91, zip_derived_cl457])).
% 0.58/0.82
% 0.58/0.82 % SZS output end Refutation
% 0.58/0.82
% 0.58/0.82
% 0.58/0.82 % Terminating...
% 1.77/0.87 % Runner terminated.
% 1.77/0.88 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------