%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET062-7 : 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.uKZtiO75pB true
% Computer : n012.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 04:51:23 PM UTC 2025
% Result : Unsatisfiable 0.51s 0.75s
% Output : Refutation 0.51s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : SET062-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.11/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.uKZtiO75pB true
% 0.13/0.34 % Computer : n012.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 300
% 0.13/0.34 % DateTime : Wed Oct 1 13:13:23 EDT 2025
% 0.13/0.34 % CPUTime :
% 0.13/0.34 % Running portfolio for 300 s
% 0.13/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.34 % Number of cores: 8
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.35 % Running in FO mode
% 0.50/0.62 % Total configuration time : 435
% 0.50/0.62 % Estimated wc time : 1092
% 0.50/0.62 % Estimated cpu time (7 cpus) : 156.0
% 0.51/0.69 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.51/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.51/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.51/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.51/0.75 % Solved by fo/fo6_bce.sh.
% 0.51/0.75 % BCE start: 104
% 0.51/0.75 % BCE eliminated: 0
% 0.51/0.75 % PE start: 104
% 0.51/0.75 logic: eq
% 0.51/0.75 % PE eliminated: 16
% 0.51/0.75 % done 9 iterations in 0.036s
% 0.51/0.75 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.51/0.75 % SZS output start Refutation
% 0.51/0.75 thf(null_class_type, type, null_class: $i).
% 0.51/0.75 thf(member_type, type, member: $i > $i > $o).
% 0.51/0.75 thf(x_type, type, x: $i).
% 0.51/0.75 thf(subclass_type, type, subclass: $i > $i > $o).
% 0.51/0.75 thf(not_subclass_element_type, type, not_subclass_element: $i > $i > $i).
% 0.51/0.75 thf(prove_null_class_is_subclass_1, conjecture, (subclass @ null_class @ x)).
% 0.51/0.75 thf(zf_stmt_0, negated_conjecture, (~( subclass @ null_class @ x )),
% 0.51/0.75 inference('cnf.neg', [status(esa)], [prove_null_class_is_subclass_1])).
% 0.51/0.75 thf(zip_derived_cl103, plain, (~ (subclass @ null_class @ x)),
% 0.51/0.75 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.51/0.75 thf(not_subclass_members1, axiom,
% 0.51/0.75 (( member @ ( not_subclass_element @ X @ Y ) @ X ) | ( subclass @ X @ Y ))).
% 0.51/0.75 thf(zip_derived_cl1, plain,
% 0.51/0.75 (![X0 : $i, X1 : $i]:
% 0.51/0.75 ( (member @ (not_subclass_element @ X0 @ X1) @ X0)
% 0.51/0.75 | (subclass @ X0 @ X1))),
% 0.51/0.75 inference('cnf', [status(esa)], [not_subclass_members1])).
% 0.51/0.75 thf(existence_of_null_class, axiom, (~( member @ Z @ null_class ))).
% 0.51/0.75 thf(zip_derived_cl102, plain, (![X0 : $i]: ~ (member @ X0 @ null_class)),
% 0.51/0.75 inference('cnf', [status(esa)], [existence_of_null_class])).
% 0.51/0.75 thf(zip_derived_cl476, plain, (![X0 : $i]: (subclass @ null_class @ X0)),
% 0.51/0.75 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl102])).
% 0.51/0.75 thf(zip_derived_cl477, plain, ($false),
% 0.51/0.75 inference('demod', [status(thm)], [zip_derived_cl103, zip_derived_cl476])).
% 0.51/0.75
% 0.51/0.75 % SZS output end Refutation
% 0.51/0.75
% 0.51/0.75
% 0.51/0.75 % Terminating...
% 0.55/0.82 % Runner terminated.
% 0.55/0.84 % Zipperpin 1.5 exiting
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