%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : NUM009-1 : TPTP v9.2.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.5ZMAZtaVpK true
% Computer : n026.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 04:45:45 PM UTC 2025
% Result : Unsatisfiable 2.29s 1.85s
% Output : Refutation 2.29s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.51 % Problem : NUM009-1 : TPTP v9.2.0. Bugfixed v1.2.1.
% 0.11/0.54 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.5ZMAZtaVpK true
% 0.15/0.77 % Computer : n026.cluster.edu
% 0.15/0.77 % Model : x86_64 x86_64
% 0.15/0.77 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.77 % Memory : 8042.1875MB
% 0.15/0.77 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.77 % CPULimit : 300
% 0.15/0.77 % WCLimit : 300
% 0.15/0.77 % DateTime : Wed Oct 1 16:19:38 EDT 2025
% 0.15/0.79 % CPUTime :
% 0.15/0.79 % Running portfolio for 300 s
% 0.15/0.79 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.79 % Number of cores: 8
% 0.15/0.80 % Python version: Python 3.6.8
% 0.15/0.80 % Running in FO mode
% 0.54/1.18 % Total configuration time : 435
% 0.54/1.18 % Estimated wc time : 1092
% 0.54/1.18 % Estimated cpu time (7 cpus) : 156.0
% 0.56/1.37 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.56/1.38 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.56/1.42 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/1.44 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.57/1.49 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.57/1.54 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.57/1.55 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.58/1.69 % /export/starexec/sandbox/solver/bin/fo/fo1_lcnf.sh running for 50s
% 1.95/1.74 % /export/starexec/sandbox/solver/bin/fo/fo17_bce.sh running for 50s
% 2.27/1.82 % /export/starexec/sandbox/solver/bin/fo/fo8.sh running for 50s
% 2.29/1.85 % Solved by fo/fo1_av.sh.
% 2.29/1.85 % done 330 iterations in 0.353s
% 2.29/1.85 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 2.29/1.85 % SZS output start Refutation
% 2.29/1.85 thf(f44_type, type, f44: $i > $i).
% 2.29/1.85 thf(empty_set_type, type, empty_set: $i).
% 2.29/1.85 thf(natural_numbers_type, type, natural_numbers: $i).
% 2.29/1.85 thf(member_type, type, member: $i > $i > $o).
% 2.29/1.85 thf(little_set_type, type, little_set: $i > $o).
% 2.29/1.85 thf(infinity_type, type, infinity: $i).
% 2.29/1.85 thf(natural_numbers6, axiom,
% 2.29/1.85 (( member @ Z @ natural_numbers ) | ( ~( member @ Z @ ( f44 @ Z ) ) ))).
% 2.29/1.85 thf(zip_derived_cl170, plain,
% 2.29/1.85 (![X0 : $i]:
% 2.29/1.85 ( (member @ X0 @ natural_numbers) | ~ (member @ X0 @ (f44 @ X0)))),
% 2.29/1.85 inference('cnf', [status(esa)], [natural_numbers6])).
% 2.29/1.85 thf(natural_numbers4, axiom,
% 2.29/1.85 (( member @ Z @ natural_numbers ) | ( ~( little_set @ Z ) ) |
% 2.29/1.85 ( member @ empty_set @ ( f44 @ Z ) ))).
% 2.29/1.85 thf(zip_derived_cl168, plain,
% 2.29/1.85 (![X0 : $i]:
% 2.29/1.85 ( (member @ X0 @ natural_numbers)
% 2.29/1.85 | ~ (little_set @ X0)
% 2.29/1.85 | (member @ empty_set @ (f44 @ X0)))),
% 2.29/1.85 inference('cnf', [status(esa)], [natural_numbers4])).
% 2.29/1.85 thf(zip_derived_cl1078, plain,
% 2.29/1.85 (( (member @ empty_set @ natural_numbers)
% 2.29/1.85 | (member @ empty_set @ natural_numbers)
% 2.29/1.85 | ~ (little_set @ empty_set))),
% 2.29/1.85 inference('s_sup+', [status(thm)], [zip_derived_cl170, zip_derived_cl168])).
% 2.29/1.85 thf(prove_zero_is_a_natural, conjecture,
% 2.29/1.85 (member @ empty_set @ natural_numbers)).
% 2.29/1.85 thf(zf_stmt_0, negated_conjecture,
% 2.29/1.85 (~( member @ empty_set @ natural_numbers )),
% 2.29/1.85 inference('cnf.neg', [status(esa)], [prove_zero_is_a_natural])).
% 2.29/1.85 thf(zip_derived_cl219, plain, (~ (member @ empty_set @ natural_numbers)),
% 2.29/1.85 inference('cnf', [status(esa)], [zf_stmt_0])).
% 2.29/1.85 thf(zip_derived_cl219, plain, (~ (member @ empty_set @ natural_numbers)),
% 2.29/1.85 inference('cnf', [status(esa)], [zf_stmt_0])).
% 2.29/1.85 thf(infinity2, axiom, (member @ empty_set @ infinity)).
% 2.29/1.85 thf(zip_derived_cl60, plain, ( (member @ empty_set @ infinity)),
% 2.29/1.85 inference('cnf', [status(esa)], [infinity2])).
% 2.29/1.85 thf(a2, axiom, (( ~( member @ X @ Y ) ) | ( little_set @ X ))).
% 2.29/1.85 thf(zip_derived_cl0, plain,
% 2.29/1.85 (![X0 : $i, X1 : $i]: (~ (member @ X0 @ X1) | (little_set @ X0))),
% 2.29/1.85 inference('cnf', [status(esa)], [a2])).
% 2.29/1.85 thf(zip_derived_cl220, plain, ( (little_set @ empty_set)),
% 2.29/1.85 inference('s_sup-', [status(thm)], [zip_derived_cl60, zip_derived_cl0])).
% 2.29/1.85 thf(zip_derived_cl1079, plain, ($false),
% 2.29/1.85 inference('demod', [status(thm)],
% 2.29/1.85 [zip_derived_cl1078, zip_derived_cl219, zip_derived_cl219,
% 2.29/1.85 zip_derived_cl220])).
% 2.29/1.85
% 2.29/1.85 % SZS output end Refutation
% 2.29/1.85
% 2.29/1.85
% 2.29/1.85 % Terminating...
% 2.45/2.05 % Runner terminated.
% 2.53/2.08 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------