%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC387-1 : TPTP v9.2.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.478Rk5ktrf 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 04:59:37 PM UTC 2025
% Result : Unsatisfiable 0.57s 0.77s
% Output : Refutation 0.57s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SWC387-1 : TPTP v9.2.0. Released v2.4.0.
% 0.03/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.478Rk5ktrf true
% 0.13/0.34 % Computer : n027.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 17:12:38 EDT 2025
% 0.13/0.35 % CPUTime :
% 0.13/0.35 % Running portfolio for 300 s
% 0.13/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35 % Number of cores: 8
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.35 % Running in FO mode
% 0.56/0.65 % Total configuration time : 435
% 0.56/0.65 % Estimated wc time : 1092
% 0.56/0.65 % Estimated cpu time (7 cpus) : 156.0
% 0.56/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.56/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.56/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.56/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.56/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.57/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.57/0.77 % Solved by fo/fo3_bce.sh.
% 0.57/0.77 % BCE start: 41
% 0.57/0.77 % BCE eliminated: 2
% 0.57/0.77 % PE start: 39
% 0.57/0.77 logic: eq
% 0.57/0.77 % PE eliminated: -1
% 0.57/0.77 % done 22 iterations in 0.020s
% 0.57/0.77 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.57/0.77 % SZS output start Refutation
% 0.57/0.77 thf(nil_type, type, nil: $i).
% 0.57/0.77 thf(cons_type, type, cons: $i > $i > $i).
% 0.57/0.77 thf(sk2_type, type, sk2: $i).
% 0.57/0.77 thf(sk5_type, type, sk5: $i).
% 0.57/0.77 thf(sk4_type, type, sk4: $i).
% 0.57/0.77 thf(memberP_type, type, memberP: $i > $i > $o).
% 0.57/0.77 thf(ssItem_type, type, ssItem: $i > $o).
% 0.57/0.77 thf(sk3_type, type, sk3: $i).
% 0.57/0.77 thf(neq_type, type, neq: $i > $i > $o).
% 0.57/0.77 thf(ssList_type, type, ssList: $i > $o).
% 0.57/0.77 thf(sk1_type, type, sk1: $i).
% 0.57/0.77 thf(co1_7, conjecture,
% 0.57/0.77 (~( ( ~( memberP @ sk2 @ A ) ) | ( ( cons @ A @ nil ) != ( sk1 ) ) |
% 0.57/0.77 ( ~( ssItem @ A ) ) ))).
% 0.57/0.77 thf(zf_stmt_0, negated_conjecture,
% 0.57/0.77 (( ~( memberP @ sk2 @ A ) ) | ( ( cons @ A @ nil ) != ( sk1 ) ) |
% 0.57/0.77 ( ~( ssItem @ A ) )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_7])).
% 0.57/0.77 thf(zip_derived_cl34, plain,
% 0.57/0.77 (![X0 : $i]:
% 0.57/0.77 (~ (memberP @ sk2 @ X0)
% 0.57/0.77 | ((cons @ X0 @ nil) != (sk1))
% 0.57/0.77 | ~ (ssItem @ X0))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.57/0.77 thf(clause100, axiom,
% 0.57/0.77 (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( neq @ V @ U ) |
% 0.57/0.77 ( ( V ) = ( U ) ))).
% 0.57/0.77 thf(zip_derived_cl8, plain,
% 0.57/0.77 (![X0 : $i, X1 : $i]:
% 0.57/0.77 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 0.57/0.77 inference('cnf', [status(esa)], [clause100])).
% 0.57/0.77 thf(co1_12, conjecture,
% 0.57/0.77 (~( ( ~( neq @ sk4 @ nil ) ) | ( memberP @ sk4 @ sk5 ) ))).
% 0.57/0.77 thf(zf_stmt_1, negated_conjecture,
% 0.57/0.77 (( ~( neq @ sk4 @ nil ) ) | ( memberP @ sk4 @ sk5 )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_12])).
% 0.57/0.77 thf(zip_derived_cl29, plain,
% 0.57/0.77 ((~ (neq @ sk4 @ nil) | (memberP @ sk4 @ sk5))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.57/0.77 thf(zip_derived_cl247, plain,
% 0.57/0.77 ((((sk4) = (nil))
% 0.57/0.77 | ~ (ssList @ sk4)
% 0.57/0.77 | ~ (ssList @ nil)
% 0.57/0.77 | (memberP @ sk4 @ sk5))),
% 0.57/0.77 inference('dp-resolution', [status(thm)],
% 0.57/0.77 [zip_derived_cl8, zip_derived_cl29])).
% 0.57/0.77 thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 0.57/0.77 thf(zf_stmt_2, negated_conjecture, (( sk2 ) = ( sk4 )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_5])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(co1_4, conjecture, (~( ssList @ sk4 ))).
% 0.57/0.77 thf(zf_stmt_3, negated_conjecture, (ssList @ sk4),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_4])).
% 0.57/0.77 thf(zip_derived_cl37, plain, ( (ssList @ sk4)),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl255, plain, ( (ssList @ sk2)),
% 0.57/0.77 inference('demod', [status(thm)], [zip_derived_cl37, zip_derived_cl36])).
% 0.57/0.77 thf(clause8, axiom, (ssList @ nil)).
% 0.57/0.77 thf(zip_derived_cl0, plain, ( (ssList @ nil)),
% 0.57/0.77 inference('cnf', [status(esa)], [clause8])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl279, plain, ((((sk2) = (nil)) | (memberP @ sk2 @ sk5))),
% 0.57/0.77 inference('demod', [status(thm)],
% 0.57/0.77 [zip_derived_cl247, zip_derived_cl36, zip_derived_cl36,
% 0.57/0.77 zip_derived_cl255, zip_derived_cl0, zip_derived_cl36])).
% 0.57/0.77 thf(co1_8, conjecture, (~( ( ( nil ) != ( sk4 ) ) | ( ( nil ) = ( sk3 ) ) ))).
% 0.57/0.77 thf(zf_stmt_4, negated_conjecture,
% 0.57/0.77 (( ( nil ) != ( sk4 ) ) | ( ( nil ) = ( sk3 ) )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_8])).
% 0.57/0.77 thf(zip_derived_cl33, plain, ((((nil) != (sk4)) | ((nil) = (sk3)))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 0.57/0.77 thf(zf_stmt_5, negated_conjecture, (( sk1 ) = ( sk3 )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_6])).
% 0.57/0.77 thf(zip_derived_cl35, plain, (((sk1) = (sk3))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.57/0.77 thf(zip_derived_cl253, plain, ((((nil) != (sk2)) | ((nil) = (sk1)))),
% 0.57/0.77 inference('demod', [status(thm)],
% 0.57/0.77 [zip_derived_cl33, zip_derived_cl36, zip_derived_cl35])).
% 0.57/0.77 thf(co1_9, conjecture,
% 0.57/0.77 (~( ( ( nil ) != ( sk1 ) ) | ( ( nil ) != ( sk2 ) ) ))).
% 0.57/0.77 thf(zf_stmt_6, negated_conjecture,
% 0.57/0.77 (( ( nil ) != ( sk1 ) ) | ( ( nil ) != ( sk2 ) )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_9])).
% 0.57/0.77 thf(zip_derived_cl32, plain, ((((nil) != (sk1)) | ((nil) != (sk2)))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_6])).
% 0.57/0.77 thf(zip_derived_cl254, plain, (((nil) != (sk2))),
% 0.57/0.77 inference('clc', [status(thm)], [zip_derived_cl253, zip_derived_cl32])).
% 0.57/0.77 thf(zip_derived_cl280, plain, ( (memberP @ sk2 @ sk5)),
% 0.57/0.77 inference('simplify_reflect-', [status(thm)],
% 0.57/0.77 [zip_derived_cl279, zip_derived_cl254])).
% 0.57/0.77 thf(zip_derived_cl282, plain,
% 0.57/0.77 ((~ (ssItem @ sk5) | ((cons @ sk5 @ nil) != (sk1)))),
% 0.57/0.77 inference('sup+', [status(thm)], [zip_derived_cl34, zip_derived_cl280])).
% 0.57/0.77 thf(zip_derived_cl8, plain,
% 0.57/0.77 (![X0 : $i, X1 : $i]:
% 0.57/0.77 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 0.57/0.77 inference('cnf', [status(esa)], [clause100])).
% 0.57/0.77 thf(co1_10, conjecture, (~( ( ~( neq @ sk4 @ nil ) ) | ( ssItem @ sk5 ) ))).
% 0.57/0.77 thf(zf_stmt_7, negated_conjecture,
% 0.57/0.77 (( ~( neq @ sk4 @ nil ) ) | ( ssItem @ sk5 )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_10])).
% 0.57/0.77 thf(zip_derived_cl31, plain, ((~ (neq @ sk4 @ nil) | (ssItem @ sk5))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.57/0.77 thf(zip_derived_cl249, plain,
% 0.57/0.77 ((((sk4) = (nil)) | ~ (ssList @ sk4) | ~ (ssList @ nil) | (ssItem @ sk5))),
% 0.57/0.77 inference('dp-resolution', [status(thm)],
% 0.57/0.77 [zip_derived_cl8, zip_derived_cl31])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl255, plain, ( (ssList @ sk2)),
% 0.57/0.77 inference('demod', [status(thm)], [zip_derived_cl37, zip_derived_cl36])).
% 0.57/0.77 thf(zip_derived_cl0, plain, ( (ssList @ nil)),
% 0.57/0.77 inference('cnf', [status(esa)], [clause8])).
% 0.57/0.77 thf(zip_derived_cl257, plain, ((((sk2) = (nil)) | (ssItem @ sk5))),
% 0.57/0.77 inference('demod', [status(thm)],
% 0.57/0.77 [zip_derived_cl249, zip_derived_cl36, zip_derived_cl36,
% 0.57/0.77 zip_derived_cl255, zip_derived_cl0])).
% 0.57/0.77 thf(zip_derived_cl254, plain, (((nil) != (sk2))),
% 0.57/0.77 inference('clc', [status(thm)], [zip_derived_cl253, zip_derived_cl32])).
% 0.57/0.77 thf(zip_derived_cl258, plain, ( (ssItem @ sk5)),
% 0.57/0.77 inference('simplify_reflect-', [status(thm)],
% 0.57/0.77 [zip_derived_cl257, zip_derived_cl254])).
% 0.57/0.77 thf(zip_derived_cl8, plain,
% 0.57/0.77 (![X0 : $i, X1 : $i]:
% 0.57/0.77 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 0.57/0.77 inference('cnf', [status(esa)], [clause100])).
% 0.57/0.77 thf(co1_11, conjecture,
% 0.57/0.77 (~( ( ~( neq @ sk4 @ nil ) ) | ( ( cons @ sk5 @ nil ) = ( sk3 ) ) ))).
% 0.57/0.77 thf(zf_stmt_8, negated_conjecture,
% 0.57/0.77 (( ~( neq @ sk4 @ nil ) ) | ( ( cons @ sk5 @ nil ) = ( sk3 ) )),
% 0.57/0.77 inference('cnf.neg', [status(esa)], [co1_11])).
% 0.57/0.77 thf(zip_derived_cl30, plain,
% 0.57/0.77 ((~ (neq @ sk4 @ nil) | ((cons @ sk5 @ nil) = (sk3)))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_8])).
% 0.57/0.77 thf(zip_derived_cl248, plain,
% 0.57/0.77 ((((sk4) = (nil))
% 0.57/0.77 | ~ (ssList @ sk4)
% 0.57/0.77 | ~ (ssList @ nil)
% 0.57/0.77 | ((cons @ sk5 @ nil) = (sk3)))),
% 0.57/0.77 inference('dp-resolution', [status(thm)],
% 0.57/0.77 [zip_derived_cl8, zip_derived_cl30])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl36, plain, (((sk2) = (sk4))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.57/0.77 thf(zip_derived_cl255, plain, ( (ssList @ sk2)),
% 0.57/0.77 inference('demod', [status(thm)], [zip_derived_cl37, zip_derived_cl36])).
% 0.57/0.77 thf(zip_derived_cl0, plain, ( (ssList @ nil)),
% 0.57/0.77 inference('cnf', [status(esa)], [clause8])).
% 0.57/0.77 thf(zip_derived_cl35, plain, (((sk1) = (sk3))),
% 0.57/0.77 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.57/0.77 thf(zip_derived_cl259, plain,
% 0.57/0.77 ((((sk2) = (nil)) | ((cons @ sk5 @ nil) = (sk1)))),
% 0.57/0.77 inference('demod', [status(thm)],
% 0.57/0.77 [zip_derived_cl248, zip_derived_cl36, zip_derived_cl36,
% 0.57/0.77 zip_derived_cl255, zip_derived_cl0, zip_derived_cl35])).
% 0.57/0.77 thf(zip_derived_cl254, plain, (((nil) != (sk2))),
% 0.57/0.77 inference('clc', [status(thm)], [zip_derived_cl253, zip_derived_cl32])).
% 0.57/0.77 thf(zip_derived_cl260, plain, (((cons @ sk5 @ nil) = (sk1))),
% 0.57/0.77 inference('simplify_reflect-', [status(thm)],
% 0.57/0.77 [zip_derived_cl259, zip_derived_cl254])).
% 0.57/0.77 thf(zip_derived_cl283, plain, (((sk1) != (sk1))),
% 0.57/0.77 inference('demod', [status(thm)],
% 0.57/0.77 [zip_derived_cl282, zip_derived_cl258, zip_derived_cl260])).
% 0.57/0.77 thf(zip_derived_cl284, plain, ($false),
% 0.57/0.77 inference('simplify', [status(thm)], [zip_derived_cl283])).
% 0.57/0.77
% 0.57/0.77 % SZS output end Refutation
% 0.57/0.77
% 0.57/0.77
% 0.57/0.78 % Terminating...
% 1.69/0.86 % Runner terminated.
% 1.69/0.88 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------