%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET020-7 : 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.415W05nsBM 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 04:51:11 PM UTC 2025
% Result : Unsatisfiable 0.12s 0.56s
% Output : Refutation 0.12s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.07 % Problem : SET020-7 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.02/0.07 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.415W05nsBM true
% 0.07/0.26 % Computer : n012.cluster.edu
% 0.07/0.26 % Model : x86_64 x86_64
% 0.07/0.26 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.26 % Memory : 8042.1875MB
% 0.07/0.26 % OS : Linux 3.10.0-693.el7.x86_64
% 0.07/0.26 % CPULimit : 300
% 0.07/0.26 % WCLimit : 300
% 0.07/0.26 % DateTime : Wed Oct 1 13:15:53 EDT 2025
% 0.07/0.26 % CPUTime :
% 0.07/0.26 % Running portfolio for 300 s
% 0.07/0.26 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.26 % Number of cores: 8
% 0.07/0.26 % Python version: Python 3.6.8
% 0.07/0.26 % Running in FO mode
% 0.12/0.41 % Total configuration time : 435
% 0.12/0.41 % Estimated wc time : 1092
% 0.12/0.41 % Estimated cpu time (7 cpus) : 156.0
% 0.12/0.47 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.12/0.48 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.12/0.48 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.12/0.48 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.12/0.48 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.12/0.49 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.12/0.49 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.12/0.56 % Solved by fo/fo4.sh.
% 0.12/0.56 % done 64 iterations in 0.054s
% 0.12/0.56 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.12/0.56 % SZS output start Refutation
% 0.12/0.56 thf(universal_class_type, type, universal_class: $i).
% 0.12/0.56 thf(member_type, type, member: $i > $i > $o).
% 0.12/0.56 thf(v_type, type, v: $i).
% 0.12/0.56 thf(second_type, type, second: $i > $i).
% 0.12/0.56 thf(u_type, type, u: $i).
% 0.12/0.56 thf(cross_product_type, type, cross_product: $i > $i > $i).
% 0.12/0.56 thf(ordered_pair_type, type, ordered_pair: $i > $i > $i).
% 0.12/0.56 thf(first_type, type, first: $i > $i).
% 0.12/0.56 thf(prove_unique_1st_and_2nd_in_pair_of_sets1_1, conjecture,
% 0.12/0.56 (~( member @
% 0.12/0.56 ( ordered_pair @ u @ v ) @
% 0.12/0.56 ( cross_product @ universal_class @ universal_class ) ))).
% 0.12/0.56 thf(zf_stmt_0, negated_conjecture,
% 0.12/0.56 (member @
% 0.12/0.56 ( ordered_pair @ u @ v ) @
% 0.12/0.56 ( cross_product @ universal_class @ universal_class )),
% 0.12/0.56 inference('cnf.neg', [status(esa)],
% 0.12/0.56 [prove_unique_1st_and_2nd_in_pair_of_sets1_1])).
% 0.12/0.56 thf(zip_derived_cl30, plain,
% 0.12/0.56 ( (member @ (ordered_pair @ u @ v) @
% 0.12/0.56 (cross_product @ universal_class @ universal_class))),
% 0.12/0.56 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.12/0.56 thf(cartesian_product4, axiom,
% 0.12/0.56 (( ~( member @ Z @ ( cross_product @ X @ Y ) ) ) |
% 0.12/0.56 ( ( ordered_pair @ ( first @ Z ) @ ( second @ Z ) ) = ( Z ) ))).
% 0.12/0.56 thf(zip_derived_cl4, plain,
% 0.12/0.56 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.12/0.56 (~ (member @ X0 @ (cross_product @ X1 @ X2))
% 0.12/0.56 | ((ordered_pair @ (first @ X0) @ (second @ X0)) = (X0)))),
% 0.12/0.56 inference('cnf', [status(esa)], [cartesian_product4])).
% 0.12/0.56 thf(zip_derived_cl374, plain,
% 0.12/0.56 (((ordered_pair @ (first @ (ordered_pair @ u @ v)) @
% 0.12/0.56 (second @ (ordered_pair @ u @ v))) = (ordered_pair @ u @ v))),
% 0.12/0.56 inference('sup-', [status(thm)], [zip_derived_cl30, zip_derived_cl4])).
% 0.12/0.56 thf(zip_derived_cl30, plain,
% 0.12/0.56 ( (member @ (ordered_pair @ u @ v) @
% 0.12/0.56 (cross_product @ universal_class @ universal_class))),
% 0.12/0.56 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.12/0.56 thf(cartesian_product1, axiom,
% 0.12/0.56 (( ~( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) ) ) |
% 0.12/0.56 ( member @ U @ X ))).
% 0.12/0.56 thf(zip_derived_cl1, plain,
% 0.12/0.56 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.12/0.56 (~ (member @ (ordered_pair @ X0 @ X1) @ (cross_product @ X2 @ X3))
% 0.12/0.56 | (member @ X0 @ X2))),
% 0.12/0.56 inference('cnf', [status(esa)], [cartesian_product1])).
% 0.12/0.56 thf(zip_derived_cl132, plain, ( (member @ u @ universal_class)),
% 0.12/0.56 inference('sup-', [status(thm)], [zip_derived_cl30, zip_derived_cl1])).
% 0.12/0.56 thf(ordered_pair_determines_components1, axiom,
% 0.12/0.56 (( ( ordered_pair @ W @ X ) != ( ordered_pair @ Y @ Z ) ) |
% 0.12/0.56 ( ~( member @ W @ universal_class ) ) | ( ( W ) = ( Y ) ))).
% 0.12/0.56 thf(zip_derived_cl22, plain,
% 0.12/0.56 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.12/0.56 (((ordered_pair @ X2 @ X3) != (ordered_pair @ X0 @ X1))
% 0.12/0.56 | ~ (member @ X2 @ universal_class)
% 0.12/0.56 | ((X2) = (X0)))),
% 0.12/0.56 inference('cnf', [status(esa)], [ordered_pair_determines_components1])).
% 0.12/0.56 thf(zip_derived_cl142, plain,
% 0.12/0.56 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.12/0.56 (((u) = (X0)) | ((ordered_pair @ u @ X1) != (ordered_pair @ X0 @ X2)))),
% 0.12/0.56 inference('sup-', [status(thm)], [zip_derived_cl132, zip_derived_cl22])).
% 0.12/0.56 thf(zip_derived_cl384, plain,
% 0.12/0.56 (![X0 : $i]:
% 0.12/0.56 (((ordered_pair @ u @ X0) != (ordered_pair @ u @ v))
% 0.12/0.56 | ((u) = (first @ (ordered_pair @ u @ v))))),
% 0.12/0.56 inference('sup-', [status(thm)], [zip_derived_cl374, zip_derived_cl142])).
% 0.12/0.56 thf(prove_unique_1st_and_2nd_in_pair_of_sets1_2, conjecture,
% 0.12/0.56 (( first @ ( ordered_pair @ u @ v ) ) = ( u ))).
% 0.12/0.56 thf(zf_stmt_1, negated_conjecture,
% 0.12/0.56 (( first @ ( ordered_pair @ u @ v ) ) != ( u )),
% 0.12/0.56 inference('cnf.neg', [status(esa)],
% 0.12/0.56 [prove_unique_1st_and_2nd_in_pair_of_sets1_2])).
% 0.12/0.56 thf(zip_derived_cl29, plain, (((first @ (ordered_pair @ u @ v)) != (u))),
% 0.12/0.56 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.12/0.56 thf(zip_derived_cl405, plain,
% 0.12/0.56 (![X0 : $i]: ((ordered_pair @ u @ X0) != (ordered_pair @ u @ v))),
% 0.12/0.56 inference('simplify_reflect-', [status(thm)],
% 0.12/0.56 [zip_derived_cl384, zip_derived_cl29])).
% 0.12/0.56 thf(zip_derived_cl412, plain, ($false),
% 0.12/0.56 inference('eq_res', [status(thm)], [zip_derived_cl405])).
% 0.12/0.56
% 0.12/0.56 % SZS output end Refutation
% 0.12/0.56
% 0.12/0.56
% 0.12/0.56 % Terminating...
% 1.38/0.62 % Runner terminated.
% 1.38/0.63 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------