%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET073-7 : 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.r6iiCvYZx0 true
% Computer : n005.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 04:51:27 PM UTC 2025
% Result : Unsatisfiable 0.59s 0.82s
% Output : Refutation 0.59s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SET073-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.07/0.14 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.r6iiCvYZx0 true
% 0.14/0.35 % Computer : n005.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 300
% 0.14/0.35 % DateTime : Wed Oct 1 12:55:23 EDT 2025
% 0.14/0.36 % CPUTime :
% 0.14/0.36 % Running portfolio for 300 s
% 0.14/0.36 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.36 % Number of cores: 8
% 0.14/0.36 % Python version: Python 3.6.8
% 0.14/0.36 % Running in FO mode
% 0.58/0.66 % Total configuration time : 435
% 0.58/0.66 % Estimated wc time : 1092
% 0.58/0.66 % Estimated cpu time (7 cpus) : 156.0
% 0.58/0.75 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.58/0.75 % /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
% 0.59/0.77 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.59/0.79 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.59/0.80 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.59/0.82 % Solved by fo/fo3_bce.sh.
% 0.59/0.82 % BCE start: 71
% 0.59/0.82 % BCE eliminated: 2
% 0.59/0.82 % PE start: 69
% 0.59/0.82 logic: eq
% 0.59/0.82 % PE eliminated: 11
% 0.59/0.82 % done 39 iterations in 0.051s
% 0.59/0.82 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.59/0.82 % SZS output start Refutation
% 0.59/0.82 thf(universal_class_type, type, universal_class: $i).
% 0.59/0.82 thf(null_class_type, type, null_class: $i).
% 0.59/0.82 thf(member_type, type, member: $i > $i > $o).
% 0.59/0.82 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.59/0.82 thf(y_type, type, y: $i).
% 0.59/0.82 thf(x_type, type, x: $i).
% 0.59/0.82 thf(prove_corollary_to_unordered_pair_axiom1_2, conjecture,
% 0.59/0.82 (( unordered_pair @ x @ y ) != ( null_class ))).
% 0.59/0.82 thf(zf_stmt_0, negated_conjecture,
% 0.59/0.82 (( unordered_pair @ x @ y ) = ( null_class )),
% 0.59/0.82 inference('cnf.neg', [status(esa)],
% 0.59/0.82 [prove_corollary_to_unordered_pair_axiom1_2])).
% 0.59/0.82 thf(zip_derived_cl69, plain, (((unordered_pair @ x @ y) = (null_class))),
% 0.59/0.82 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.59/0.82 thf(unordered_pair2, axiom,
% 0.59/0.82 (( ~( member @ X @ universal_class ) ) |
% 0.59/0.82 ( member @ X @ ( unordered_pair @ X @ Y ) ))).
% 0.59/0.82 thf(zip_derived_cl8, plain,
% 0.59/0.82 (![X0 : $i, X1 : $i]:
% 0.59/0.82 (~ (member @ X0 @ universal_class)
% 0.59/0.82 | (member @ X0 @ (unordered_pair @ X0 @ X1)))),
% 0.59/0.82 inference('cnf', [status(esa)], [unordered_pair2])).
% 0.59/0.82 thf(zip_derived_cl362, plain,
% 0.59/0.82 (( (member @ x @ null_class) | ~ (member @ x @ universal_class))),
% 0.59/0.82 inference('sup+', [status(thm)], [zip_derived_cl69, zip_derived_cl8])).
% 0.59/0.82 thf(prove_corollary_to_unordered_pair_axiom1_1, conjecture,
% 0.59/0.82 (~( member @ x @ universal_class ))).
% 0.59/0.82 thf(zf_stmt_1, negated_conjecture, (member @ x @ universal_class),
% 0.59/0.82 inference('cnf.neg', [status(esa)],
% 0.59/0.82 [prove_corollary_to_unordered_pair_axiom1_1])).
% 0.59/0.82 thf(zip_derived_cl70, plain, ( (member @ x @ universal_class)),
% 0.59/0.82 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.59/0.82 thf(zip_derived_cl363, plain, ( (member @ x @ null_class)),
% 0.59/0.82 inference('demod', [status(thm)], [zip_derived_cl362, zip_derived_cl70])).
% 0.59/0.82 thf(existence_of_null_class, axiom, (~( member @ Z @ null_class ))).
% 0.59/0.82 thf(zip_derived_cl56, plain, (![X0 : $i]: ~ (member @ X0 @ null_class)),
% 0.59/0.82 inference('cnf', [status(esa)], [existence_of_null_class])).
% 0.59/0.82 thf(zip_derived_cl365, plain, ($false),
% 0.59/0.82 inference('sup-', [status(thm)], [zip_derived_cl363, zip_derived_cl56])).
% 0.59/0.82
% 0.59/0.82 % SZS output end Refutation
% 0.59/0.82
% 0.59/0.82
% 0.59/0.82 % Terminating...
% 1.77/0.87 % Runner terminated.
% 1.82/0.89 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------