%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET287-6 : 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.ouGXIoO0N9 true
% Computer : n027.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 04:51:57 PM UTC 2025
% Result : Unsatisfiable 12.22s 2.32s
% Output : Refutation 12.22s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11 % Problem : SET287-6 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.11/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.ouGXIoO0N9 true
% 0.11/0.34 % Computer : n027.cluster.edu
% 0.11/0.34 % Model : x86_64 x86_64
% 0.11/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.34 % Memory : 8042.1875MB
% 0.11/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.11/0.34 % CPULimit : 300
% 0.11/0.34 % WCLimit : 300
% 0.11/0.34 % DateTime : Wed Oct 1 13:03:23 EDT 2025
% 0.11/0.34 % CPUTime :
% 0.11/0.34 % Running portfolio for 300 s
% 0.11/0.34 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.34 % Number of cores: 8
% 0.11/0.34 % Python version: Python 3.6.8
% 0.11/0.35 % Running in FO mode
% 0.51/0.60 % Total configuration time : 435
% 0.51/0.60 % Estimated wc time : 1092
% 0.51/0.60 % Estimated cpu time (7 cpus) : 156.0
% 0.52/0.70 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.52/0.70 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.52/0.71 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.52/0.71 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.52/0.71 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.52/0.72 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.52/0.72 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.53/0.76 % /export/starexec/sandbox/solver/bin/fo/fo1_lcnf.sh running for 50s
% 12.22/2.32 % Solved by fo/fo5.sh.
% 12.22/2.32 % done 1530 iterations in 1.582s
% 12.22/2.32 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 12.22/2.32 % SZS output start Refutation
% 12.22/2.32 thf(universal_class_type, type, universal_class: $i).
% 12.22/2.32 thf(null_class_type, type, null_class: $i).
% 12.22/2.32 thf(domain_of_type, type, domain_of: $i > $i).
% 12.22/2.32 thf(member_type, type, member: $i > $i > $o).
% 12.22/2.32 thf(x_type, type, x: $i).
% 12.22/2.32 thf(unordered_pair_type, type, unordered_pair: $i > $i > $i).
% 12.22/2.32 thf(complement_type, type, complement: $i > $i).
% 12.22/2.32 thf(singleton_type, type, singleton: $i > $i).
% 12.22/2.32 thf(intersection_type, type, intersection: $i > $i > $i).
% 12.22/2.32 thf(subclass_type, type, subclass: $i > $i > $o).
% 12.22/2.32 thf(restrict_type, type, restrict: $i > $i > $i > $i).
% 12.22/2.32 thf(cross_product_type, type, cross_product: $i > $i > $i).
% 12.22/2.32 thf(y_type, type, y: $i).
% 12.22/2.32 thf(not_subclass_element_type, type, not_subclass_element: $i > $i > $i).
% 12.22/2.32 thf(regular_type, type, regular: $i > $i).
% 12.22/2.32 thf(prove_domain_property8_2, conjecture,
% 12.22/2.32 (( domain_of @ ( intersection @ ( complement @ y ) @ x ) ) = ( null_class ))).
% 12.22/2.32 thf(zf_stmt_0, negated_conjecture,
% 12.22/2.32 (( domain_of @ ( intersection @ ( complement @ y ) @ x ) ) !=
% 12.22/2.32 ( null_class )),
% 12.22/2.32 inference('cnf.neg', [status(esa)], [prove_domain_property8_2])).
% 12.22/2.32 thf(zip_derived_cl113, plain,
% 12.22/2.32 (((domain_of @ (intersection @ (complement @ y) @ x)) != (null_class))),
% 12.22/2.32 inference('cnf', [status(esa)], [zf_stmt_0])).
% 12.22/2.32 thf(regularity1, axiom,
% 12.22/2.32 (( ( X ) = ( null_class ) ) | ( member @ ( regular @ X ) @ X ))).
% 12.22/2.32 thf(zip_derived_cl65, plain,
% 12.22/2.32 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 12.22/2.32 inference('cnf', [status(esa)], [regularity1])).
% 12.22/2.32 thf(intersection2, axiom,
% 12.22/2.32 (( ~( member @ Z @ ( intersection @ X @ Y ) ) ) | ( member @ Z @ Y ))).
% 12.22/2.32 thf(zip_derived_cl21, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 (~ (member @ X0 @ (intersection @ X1 @ X2)) | (member @ X0 @ X2))),
% 12.22/2.32 inference('cnf', [status(esa)], [intersection2])).
% 12.22/2.32 thf(zip_derived_cl225, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (((intersection @ X1 @ X0) = (null_class))
% 12.22/2.32 | (member @ (regular @ (intersection @ X1 @ X0)) @ X0))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl21])).
% 12.22/2.32 thf(prove_domain_property8_1, conjecture, (~( subclass @ x @ y ))).
% 12.22/2.32 thf(zf_stmt_1, negated_conjecture, (subclass @ x @ y),
% 12.22/2.32 inference('cnf.neg', [status(esa)], [prove_domain_property8_1])).
% 12.22/2.32 thf(zip_derived_cl112, plain, ( (subclass @ x @ y)),
% 12.22/2.32 inference('cnf', [status(esa)], [zf_stmt_1])).
% 12.22/2.32 thf(subclass_members, axiom,
% 12.22/2.32 (( ~( subclass @ X @ Y ) ) | ( ~( member @ U @ X ) ) | ( member @ U @ Y ))).
% 12.22/2.32 thf(zip_derived_cl0, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 (~ (subclass @ X0 @ X1) | ~ (member @ X2 @ X0) | (member @ X2 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [subclass_members])).
% 12.22/2.32 thf(zip_derived_cl115, plain,
% 12.22/2.32 (![X0 : $i]: ( (member @ X0 @ y) | ~ (member @ X0 @ x))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl112, zip_derived_cl0])).
% 12.22/2.32 thf(zip_derived_cl4680, plain,
% 12.22/2.32 (![X0 : $i]:
% 12.22/2.32 (((intersection @ X0 @ x) = (null_class))
% 12.22/2.32 | (member @ (regular @ (intersection @ X0 @ x)) @ y))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl225, zip_derived_cl115])).
% 12.22/2.32 thf(zip_derived_cl65, plain,
% 12.22/2.32 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 12.22/2.32 inference('cnf', [status(esa)], [regularity1])).
% 12.22/2.32 thf(intersection1, axiom,
% 12.22/2.32 (( ~( member @ Z @ ( intersection @ X @ Y ) ) ) | ( member @ Z @ X ))).
% 12.22/2.32 thf(zip_derived_cl20, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 (~ (member @ X0 @ (intersection @ X1 @ X2)) | (member @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [intersection1])).
% 12.22/2.32 thf(zip_derived_cl220, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (((intersection @ X1 @ X0) = (null_class))
% 12.22/2.32 | (member @ (regular @ (intersection @ X1 @ X0)) @ X1))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl20])).
% 12.22/2.32 thf(complement1, axiom,
% 12.22/2.32 (( ~( member @ Z @ ( complement @ X ) ) ) | ( ~( member @ Z @ X ) ))).
% 12.22/2.32 thf(zip_derived_cl23, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (~ (member @ X0 @ (complement @ X1)) | ~ (member @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [complement1])).
% 12.22/2.32 thf(zip_derived_cl4390, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (((intersection @ (complement @ X0) @ X1) = (null_class))
% 12.22/2.32 | ~ (member @ (regular @ (intersection @ (complement @ X0) @ X1)) @
% 12.22/2.32 X0))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl220, zip_derived_cl23])).
% 12.22/2.32 thf(zip_derived_cl6926, plain,
% 12.22/2.32 ((((intersection @ (complement @ y) @ x) = (null_class))
% 12.22/2.32 | ((intersection @ (complement @ y) @ x) = (null_class)))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl4680, zip_derived_cl4390])).
% 12.22/2.32 thf(zip_derived_cl6944, plain,
% 12.22/2.32 (((intersection @ (complement @ y) @ x) = (null_class))),
% 12.22/2.32 inference('simplify', [status(thm)], [zip_derived_cl6926])).
% 12.22/2.32 thf(zip_derived_cl65, plain,
% 12.22/2.32 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 12.22/2.32 inference('cnf', [status(esa)], [regularity1])).
% 12.22/2.32 thf(not_subclass_members1, axiom,
% 12.22/2.32 (( member @ ( not_subclass_element @ X @ Y ) @ X ) | ( subclass @ X @ Y ))).
% 12.22/2.32 thf(zip_derived_cl1, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 ( (member @ (not_subclass_element @ X0 @ X1) @ X0)
% 12.22/2.32 | (subclass @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [not_subclass_members1])).
% 12.22/2.32 thf(zip_derived_cl20, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 (~ (member @ X0 @ (intersection @ X1 @ X2)) | (member @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [intersection1])).
% 12.22/2.32 thf(zip_derived_cl218, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 ( (subclass @ (intersection @ X1 @ X0) @ X2)
% 12.22/2.32 | (member @
% 12.22/2.32 (not_subclass_element @ (intersection @ X1 @ X0) @ X2) @ X1))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl20])).
% 12.22/2.32 thf(zip_derived_cl65, plain,
% 12.22/2.32 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 12.22/2.32 inference('cnf', [status(esa)], [regularity1])).
% 12.22/2.32 thf(class_elements_are_sets, axiom, (subclass @ X @ universal_class)).
% 12.22/2.32 thf(zip_derived_cl3, plain, (![X0 : $i]: (subclass @ X0 @ universal_class)),
% 12.22/2.32 inference('cnf', [status(esa)], [class_elements_are_sets])).
% 12.22/2.32 thf(zip_derived_cl0, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 (~ (subclass @ X0 @ X1) | ~ (member @ X2 @ X0) | (member @ X2 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [subclass_members])).
% 12.22/2.32 thf(zip_derived_cl114, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 ( (member @ X1 @ universal_class) | ~ (member @ X1 @ X0))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 12.22/2.32 thf(zip_derived_cl147, plain,
% 12.22/2.32 (![X0 : $i]:
% 12.22/2.32 (((X0) = (null_class)) | (member @ (regular @ X0) @ universal_class))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl114])).
% 12.22/2.32 thf(zip_derived_cl65, plain,
% 12.22/2.32 (![X0 : $i]: (((X0) = (null_class)) | (member @ (regular @ X0) @ X0))),
% 12.22/2.32 inference('cnf', [status(esa)], [regularity1])).
% 12.22/2.32 thf(zip_derived_cl23, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (~ (member @ X0 @ (complement @ X1)) | ~ (member @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [complement1])).
% 12.22/2.32 thf(zip_derived_cl148, plain,
% 12.22/2.32 (![X0 : $i]:
% 12.22/2.32 (((complement @ X0) = (null_class))
% 12.22/2.32 | ~ (member @ (regular @ (complement @ X0)) @ X0))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl23])).
% 12.22/2.32 thf(zip_derived_cl162, plain,
% 12.22/2.32 ((((complement @ universal_class) = (null_class))
% 12.22/2.32 | ((complement @ universal_class) = (null_class)))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl147, zip_derived_cl148])).
% 12.22/2.32 thf(zip_derived_cl163, plain,
% 12.22/2.32 (((complement @ universal_class) = (null_class))),
% 12.22/2.32 inference('simplify', [status(thm)], [zip_derived_cl162])).
% 12.22/2.32 thf(zip_derived_cl23, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (~ (member @ X0 @ (complement @ X1)) | ~ (member @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [complement1])).
% 12.22/2.32 thf(zip_derived_cl164, plain,
% 12.22/2.32 (![X0 : $i]:
% 12.22/2.32 (~ (member @ X0 @ null_class) | ~ (member @ X0 @ universal_class))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl163, zip_derived_cl23])).
% 12.22/2.32 thf(zip_derived_cl114, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 ( (member @ X1 @ universal_class) | ~ (member @ X1 @ X0))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 12.22/2.32 thf(zip_derived_cl202, plain, (![X0 : $i]: ~ (member @ X0 @ null_class)),
% 12.22/2.32 inference('clc', [status(thm)], [zip_derived_cl164, zip_derived_cl114])).
% 12.22/2.32 thf(zip_derived_cl4122, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]: (subclass @ (intersection @ null_class @ X1) @ X0)),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl218, zip_derived_cl202])).
% 12.22/2.32 thf(zip_derived_cl1, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 ( (member @ (not_subclass_element @ X0 @ X1) @ X0)
% 12.22/2.32 | (subclass @ X0 @ X1))),
% 12.22/2.32 inference('cnf', [status(esa)], [not_subclass_members1])).
% 12.22/2.32 thf(zip_derived_cl202, plain, (![X0 : $i]: ~ (member @ X0 @ null_class)),
% 12.22/2.32 inference('clc', [status(thm)], [zip_derived_cl164, zip_derived_cl114])).
% 12.22/2.32 thf(zip_derived_cl203, plain, (![X0 : $i]: (subclass @ null_class @ X0)),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl202])).
% 12.22/2.32 thf(subclass_implies_equal, axiom,
% 12.22/2.32 (( ~( subclass @ X @ Y ) ) | ( ~( subclass @ Y @ X ) ) | ( ( X ) = ( Y ) ))).
% 12.22/2.32 thf(zip_derived_cl6, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (~ (subclass @ X0 @ X1) | ~ (subclass @ X1 @ X0) | ((X0) = (X1)))),
% 12.22/2.32 inference('cnf', [status(esa)], [subclass_implies_equal])).
% 12.22/2.32 thf(zip_derived_cl207, plain,
% 12.22/2.32 (![X0 : $i]: (((null_class) = (X0)) | ~ (subclass @ X0 @ null_class))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl203, zip_derived_cl6])).
% 12.22/2.32 thf(zip_derived_cl4155, plain,
% 12.22/2.32 (![X0 : $i]: ((null_class) = (intersection @ null_class @ X0))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl4122, zip_derived_cl207])).
% 12.22/2.32 thf(restriction1, axiom,
% 12.22/2.32 (( intersection @ Xr @ ( cross_product @ X @ Y ) ) =
% 12.22/2.32 ( restrict @ Xr @ X @ Y ))).
% 12.22/2.32 thf(zip_derived_cl27, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 12.22/2.32 ((intersection @ X0 @ (cross_product @ X1 @ X2))
% 12.22/2.32 = (restrict @ X0 @ X1 @ X2))),
% 12.22/2.32 inference('cnf', [status(esa)], [restriction1])).
% 12.22/2.32 thf(zip_derived_cl4208, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]: ((null_class) = (restrict @ null_class @ X1 @ X0))),
% 12.22/2.32 inference('sup+', [status(thm)], [zip_derived_cl4155, zip_derived_cl27])).
% 12.22/2.32 thf(singleton_set, axiom, (( unordered_pair @ X @ X ) = ( singleton @ X ))).
% 12.22/2.32 thf(zip_derived_cl11, plain,
% 12.22/2.32 (![X0 : $i]: ((unordered_pair @ X0 @ X0) = (singleton @ X0))),
% 12.22/2.32 inference('cnf', [status(esa)], [singleton_set])).
% 12.22/2.32 thf(domain1, axiom,
% 12.22/2.32 (( ( restrict @ X @ ( singleton @ Z ) @ universal_class ) != ( null_class ) ) |
% 12.22/2.32 ( ~( member @ Z @ ( domain_of @ X ) ) ))).
% 12.22/2.32 thf(zip_derived_cl29, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (((restrict @ X0 @ (singleton @ X1) @ universal_class) != (null_class))
% 12.22/2.32 | ~ (member @ X1 @ (domain_of @ X0)))),
% 12.22/2.32 inference('cnf', [status(esa)], [domain1])).
% 12.22/2.32 thf(zip_derived_cl262, plain,
% 12.22/2.32 (![X0 : $i, X1 : $i]:
% 12.22/2.32 (((restrict @ X1 @ (unordered_pair @ X0 @ X0) @ universal_class)
% 12.22/2.32 != (null_class))
% 12.22/2.32 | ~ (member @ X0 @ (domain_of @ X1)))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl11, zip_derived_cl29])).
% 12.22/2.32 thf(zip_derived_cl4345, plain,
% 12.22/2.32 (![X0 : $i]:
% 12.22/2.32 (((null_class) != (null_class))
% 12.22/2.32 | ~ (member @ X0 @ (domain_of @ null_class)))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl4208, zip_derived_cl262])).
% 12.22/2.32 thf(zip_derived_cl4349, plain,
% 12.22/2.32 (![X0 : $i]: ~ (member @ X0 @ (domain_of @ null_class))),
% 12.22/2.32 inference('simplify', [status(thm)], [zip_derived_cl4345])).
% 12.22/2.32 thf(zip_derived_cl4423, plain, (((domain_of @ null_class) = (null_class))),
% 12.22/2.32 inference('sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl4349])).
% 12.22/2.32 thf(zip_derived_cl7049, plain, (((null_class) != (null_class))),
% 12.22/2.32 inference('demod', [status(thm)],
% 12.22/2.32 [zip_derived_cl113, zip_derived_cl6944, zip_derived_cl4423])).
% 12.22/2.32 thf(zip_derived_cl7050, plain, ($false),
% 12.22/2.32 inference('simplify', [status(thm)], [zip_derived_cl7049])).
% 12.22/2.32
% 12.22/2.32 % SZS output end Refutation
% 12.22/2.32
% 12.22/2.32
% 12.22/2.32 % Terminating...
% 12.80/2.46 % Runner terminated.
% 12.80/2.49 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------