%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET024-6 : 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.LDHxLposH0 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 04:51:12 PM UTC 2025
% Result : Unsatisfiable 0.58s 0.77s
% Output : Refutation 0.58s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SET024-6 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.07/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.LDHxLposH0 true
% 0.14/0.34 % Computer : n019.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 13:16:23 EDT 2025
% 0.14/0.35 % CPUTime :
% 0.14/0.35 % Running portfolio for 300 s
% 0.14/0.35 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.35 % Number of cores: 8
% 0.14/0.35 % Python version: Python 3.6.8
% 0.14/0.35 % Running in FO mode
% 0.55/0.65 % Total configuration time : 435
% 0.55/0.65 % Estimated wc time : 1092
% 0.55/0.65 % Estimated cpu time (7 cpus) : 156.0
% 0.57/0.71 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.57/0.74 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.57/0.75 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.58/0.77 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.58/0.77 % Solved by fo/fo3_bce.sh.
% 0.58/0.77 % BCE start: 44
% 0.58/0.77 % BCE eliminated: 2
% 0.58/0.77 % PE start: 42
% 0.58/0.77 logic: eq
% 0.58/0.77 % PE eliminated: 12
% 0.58/0.77 % done 25 iterations in 0.018s
% 0.58/0.77 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.58/0.77 % SZS output start Refutation
% 0.58/0.77 thf(universal_class_type, type, universal_class: $i).
% 0.58/0.77 thf(member_type, type, member: $i > $i > $o).
% 0.58/0.77 thf(x_type, type, x: $i).
% 0.58/0.77 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 0.58/0.77 thf(singleton_type, type, singleton: $i > $i).
% 0.58/0.77 thf(prove_set_in_its_singleton_2, conjecture,
% 0.58/0.77 (member @ x @ ( singleton @ x ))).
% 0.58/0.77 thf(zf_stmt_0, negated_conjecture, (~( member @ x @ ( singleton @ x ) )),
% 0.58/0.77 inference('cnf.neg', [status(esa)], [prove_set_in_its_singleton_2])).
% 0.58/0.77 thf(zip_derived_cl42, plain, (~ (member @ x @ (singleton @ x))),
% 0.58/0.77 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.58/0.77 thf(singleton_set, axiom, (( unordered_pair @ X @ X ) = ( singleton @ X ))).
% 0.58/0.77 thf(zip_derived_cl9, plain,
% 0.58/0.77 (![X0 : $i]: ((unordered_pair @ X0 @ X0) = (singleton @ X0))),
% 0.58/0.77 inference('cnf', [status(esa)], [singleton_set])).
% 0.58/0.77 thf(unordered_pair2, axiom,
% 0.58/0.77 (( ~( member @ X @ universal_class ) ) |
% 0.58/0.77 ( member @ X @ ( unordered_pair @ X @ Y ) ))).
% 0.58/0.77 thf(zip_derived_cl6, plain,
% 0.58/0.77 (![X0 : $i, X1 : $i]:
% 0.58/0.77 (~ (member @ X0 @ universal_class)
% 0.58/0.77 | (member @ X0 @ (unordered_pair @ X0 @ X1)))),
% 0.58/0.77 inference('cnf', [status(esa)], [unordered_pair2])).
% 0.58/0.77 thf(zip_derived_cl212, plain,
% 0.58/0.77 (![X0 : $i]:
% 0.58/0.77 ( (member @ X0 @ (singleton @ X0)) | ~ (member @ X0 @ universal_class))),
% 0.58/0.77 inference('sup+', [status(thm)], [zip_derived_cl9, zip_derived_cl6])).
% 0.58/0.77 thf(zip_derived_cl217, plain, (~ (member @ x @ universal_class)),
% 0.58/0.77 inference('sup+', [status(thm)], [zip_derived_cl42, zip_derived_cl212])).
% 0.58/0.77 thf(prove_set_in_its_singleton_1, conjecture,
% 0.58/0.77 (~( member @ x @ universal_class ))).
% 0.58/0.77 thf(zf_stmt_1, negated_conjecture, (member @ x @ universal_class),
% 0.58/0.77 inference('cnf.neg', [status(esa)], [prove_set_in_its_singleton_1])).
% 0.58/0.77 thf(zip_derived_cl43, plain, ( (member @ x @ universal_class)),
% 0.58/0.77 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/0.77 thf(zip_derived_cl218, plain, ($false),
% 0.58/0.77 inference('demod', [status(thm)], [zip_derived_cl217, zip_derived_cl43])).
% 0.58/0.77
% 0.58/0.77 % SZS output end Refutation
% 0.58/0.77
% 0.58/0.77
% 0.58/0.77 % Terminating...
% 0.62/0.85 % Runner terminated.
% 0.62/0.86 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------