%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC392-1 : 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.MlU04sPSXd true
% Computer : n015.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 04:59:38 PM UTC 2025
% Result : Unsatisfiable 0.58s 0.89s
% Output : Refutation 0.58s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.13 % Problem : SWC392-1 : TPTP v9.2.0. Released v2.4.0.
% 0.06/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.MlU04sPSXd true
% 0.15/0.35 % Computer : n015.cluster.edu
% 0.15/0.35 % Model : x86_64 x86_64
% 0.15/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35 % Memory : 8042.1875MB
% 0.15/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35 % CPULimit : 300
% 0.15/0.35 % WCLimit : 300
% 0.15/0.35 % DateTime : Wed Oct 1 17:11:08 EDT 2025
% 0.15/0.35 % CPUTime :
% 0.15/0.35 % Running portfolio for 300 s
% 0.15/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.35 % Number of cores: 8
% 0.15/0.36 % Python version: Python 3.6.8
% 0.15/0.36 % 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
% 0.56/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.56/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.56/0.75 % /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
% 0.56/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.58/0.89 % Solved by fo/fo3_bce.sh.
% 0.58/0.89 % BCE start: 71
% 0.58/0.89 % BCE eliminated: 4
% 0.58/0.89 % PE start: 67
% 0.58/0.89 logic: eq
% 0.58/0.89 % PE eliminated: 0
% 0.58/0.89 % done 237 iterations in 0.160s
% 0.58/0.89 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.58/0.89 % SZS output start Refutation
% 0.58/0.89 thf(nil_type, type, nil: $i).
% 0.58/0.89 thf(cons_type, type, cons: $i > $i > $i).
% 0.58/0.89 thf(sk2_type, type, sk2: $i).
% 0.58/0.89 thf(sk6_type, type, sk6: $i).
% 0.58/0.89 thf(sk4_type, type, sk4: $i).
% 0.58/0.89 thf(memberP_type, type, memberP: $i > $i > $o).
% 0.58/0.89 thf(ssItem_type, type, ssItem: $i > $o).
% 0.58/0.89 thf(sk5_type, type, sk5: $i).
% 0.58/0.89 thf(sk3_type, type, sk3: $i).
% 0.58/0.89 thf(ssList_type, type, ssList: $i > $o).
% 0.58/0.89 thf(sk1_type, type, sk1: $i).
% 0.58/0.89 thf(co1_12, conjecture,
% 0.58/0.89 (~( ( ( nil ) = ( sk4 ) ) | ( ( cons @ sk6 @ nil ) = ( sk3 ) ) ))).
% 0.58/0.89 thf(zf_stmt_0, negated_conjecture,
% 0.58/0.89 (( ( nil ) = ( sk4 ) ) | ( ( cons @ sk6 @ nil ) = ( sk3 ) )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_12])).
% 0.58/0.89 thf(zip_derived_cl59, plain,
% 0.58/0.89 ((((nil) = (sk4)) | ((cons @ sk6 @ nil) = (sk3)))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.58/0.89 thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 0.58/0.89 thf(zf_stmt_1, negated_conjecture, (( sk2 ) = ( sk4 )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_5])).
% 0.58/0.89 thf(zip_derived_cl66, plain, (((sk2) = (sk4))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/0.89 thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 0.58/0.89 thf(zf_stmt_2, negated_conjecture, (( sk1 ) = ( sk3 )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_6])).
% 0.58/0.89 thf(zip_derived_cl65, plain, (((sk1) = (sk3))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/0.89 thf(zip_derived_cl486, plain,
% 0.58/0.89 ((((nil) = (sk2)) | ((cons @ sk6 @ nil) = (sk1)))),
% 0.58/0.89 inference('demod', [status(thm)],
% 0.58/0.89 [zip_derived_cl59, zip_derived_cl66, zip_derived_cl65])).
% 0.58/0.89 thf(clause99, axiom,
% 0.58/0.89 (( ( cons @ U @ V ) != ( V ) ) | ( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ))).
% 0.58/0.89 thf(zip_derived_cl15, plain,
% 0.58/0.89 (![X0 : $i, X1 : $i]:
% 0.58/0.89 (((cons @ X1 @ X0) != (X0)) | ~ (ssItem @ X1) | ~ (ssList @ X0))),
% 0.58/0.89 inference('cnf', [status(esa)], [clause99])).
% 0.58/0.89 thf(zip_derived_cl492, plain,
% 0.58/0.89 ((((sk1) != (nil))
% 0.58/0.89 | ((nil) = (sk2))
% 0.58/0.89 | ~ (ssList @ nil)
% 0.58/0.89 | ~ (ssItem @ sk6))),
% 0.58/0.89 inference('sup-', [status(thm)], [zip_derived_cl486, zip_derived_cl15])).
% 0.58/0.89 thf(clause8, axiom, (ssList @ nil)).
% 0.58/0.89 thf(zip_derived_cl1, plain, ( (ssList @ nil)),
% 0.58/0.89 inference('cnf', [status(esa)], [clause8])).
% 0.58/0.89 thf(zip_derived_cl495, plain,
% 0.58/0.89 ((((sk1) != (nil)) | ((nil) = (sk2)) | ~ (ssItem @ sk6))),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl492, zip_derived_cl1])).
% 0.58/0.89 thf(co1_10, conjecture, (~( ( ( nil ) = ( sk4 ) ) | ( ssItem @ sk6 ) ))).
% 0.58/0.89 thf(zf_stmt_3, negated_conjecture,
% 0.58/0.89 (( ( nil ) = ( sk4 ) ) | ( ssItem @ sk6 )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_10])).
% 0.58/0.89 thf(zip_derived_cl61, plain, ((((nil) = (sk4)) | (ssItem @ sk6))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.58/0.89 thf(zip_derived_cl66, plain, (((sk2) = (sk4))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/0.89 thf(zip_derived_cl490, plain, ((((nil) = (sk2)) | (ssItem @ sk6))),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl61, zip_derived_cl66])).
% 0.58/0.89 thf(zip_derived_cl501, plain, ((((nil) = (sk2)) | ((sk1) != (nil)))),
% 0.58/0.89 inference('clc', [status(thm)], [zip_derived_cl495, zip_derived_cl490])).
% 0.58/0.89 thf(co1_9, conjecture, (memberP @ sk2 @ sk5)).
% 0.58/0.89 thf(zf_stmt_4, negated_conjecture, (~( memberP @ sk2 @ sk5 )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_9])).
% 0.58/0.89 thf(zip_derived_cl62, plain, (~ (memberP @ sk2 @ sk5)),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.58/0.89 thf(zip_derived_cl502, plain, ((~ (memberP @ nil @ sk5) | ((sk1) != (nil)))),
% 0.58/0.89 inference('sup-', [status(thm)], [zip_derived_cl501, zip_derived_cl62])).
% 0.58/0.89 thf(co1_8, conjecture, (~( memberP @ sk1 @ sk5 ))).
% 0.58/0.89 thf(zf_stmt_5, negated_conjecture, (memberP @ sk1 @ sk5),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_8])).
% 0.58/0.89 thf(zip_derived_cl63, plain, ( (memberP @ sk1 @ sk5)),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.58/0.89 thf(co1_15, conjecture,
% 0.58/0.89 (~( ( ( nil ) = ( sk3 ) ) | ( ( cons @ sk6 @ nil ) = ( sk3 ) ) ))).
% 0.58/0.89 thf(zf_stmt_6, negated_conjecture,
% 0.58/0.89 (( ( nil ) = ( sk3 ) ) | ( ( cons @ sk6 @ nil ) = ( sk3 ) )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_15])).
% 0.58/0.89 thf(zip_derived_cl56, plain,
% 0.58/0.89 ((((nil) = (sk3)) | ((cons @ sk6 @ nil) = (sk3)))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_6])).
% 0.58/0.89 thf(zip_derived_cl65, plain, (((sk1) = (sk3))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/0.89 thf(zip_derived_cl65, plain, (((sk1) = (sk3))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/0.89 thf(zip_derived_cl485, plain,
% 0.58/0.89 ((((nil) = (sk1)) | ((cons @ sk6 @ nil) = (sk1)))),
% 0.58/0.89 inference('demod', [status(thm)],
% 0.58/0.89 [zip_derived_cl56, zip_derived_cl65, zip_derived_cl65])).
% 0.58/0.89 thf(clause161, axiom,
% 0.58/0.89 (( ~( memberP @ ( cons @ U @ V ) @ W ) ) | ( ~( ssList @ V ) ) |
% 0.58/0.89 ( ~( ssItem @ U ) ) | ( ~( ssItem @ W ) ) | ( memberP @ V @ W ) |
% 0.58/0.89 ( ( W ) = ( U ) ))).
% 0.58/0.89 thf(zip_derived_cl46, plain,
% 0.58/0.89 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/0.89 (~ (memberP @ (cons @ X0 @ X1) @ X2)
% 0.58/0.89 | ~ (ssList @ X1)
% 0.58/0.89 | ~ (ssItem @ X0)
% 0.58/0.89 | ~ (ssItem @ X2)
% 0.58/0.89 | (memberP @ X1 @ X2)
% 0.58/0.89 | ((X2) = (X0)))),
% 0.58/0.89 inference('cnf', [status(esa)], [clause161])).
% 0.58/0.89 thf(zip_derived_cl1247, plain,
% 0.58/0.89 (![X0 : $i]:
% 0.58/0.89 (~ (memberP @ sk1 @ X0)
% 0.58/0.89 | ((nil) = (sk1))
% 0.58/0.89 | ((X0) = (sk6))
% 0.58/0.89 | (memberP @ nil @ X0)
% 0.58/0.89 | ~ (ssItem @ X0)
% 0.58/0.89 | ~ (ssItem @ sk6)
% 0.58/0.89 | ~ (ssList @ nil))),
% 0.58/0.89 inference('sup-', [status(thm)], [zip_derived_cl485, zip_derived_cl46])).
% 0.58/0.89 thf(zip_derived_cl1, plain, ( (ssList @ nil)),
% 0.58/0.89 inference('cnf', [status(esa)], [clause8])).
% 0.58/0.89 thf(zip_derived_cl1252, plain,
% 0.58/0.89 (![X0 : $i]:
% 0.58/0.89 (~ (memberP @ sk1 @ X0)
% 0.58/0.89 | ((nil) = (sk1))
% 0.58/0.89 | ((X0) = (sk6))
% 0.58/0.89 | (memberP @ nil @ X0)
% 0.58/0.89 | ~ (ssItem @ X0)
% 0.58/0.89 | ~ (ssItem @ sk6))),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl1247, zip_derived_cl1])).
% 0.58/0.89 thf(clause71, axiom, (( ~( memberP @ nil @ U ) ) | ( ~( ssItem @ U ) ))).
% 0.58/0.89 thf(zip_derived_cl5, plain,
% 0.58/0.89 (![X0 : $i]: (~ (memberP @ nil @ X0) | ~ (ssItem @ X0))),
% 0.58/0.89 inference('cnf', [status(esa)], [clause71])).
% 0.58/0.89 thf(zip_derived_cl1488, plain,
% 0.58/0.89 (![X0 : $i]:
% 0.58/0.89 (~ (ssItem @ sk6)
% 0.58/0.89 | ~ (ssItem @ X0)
% 0.58/0.89 | ((X0) = (sk6))
% 0.58/0.89 | ((nil) = (sk1))
% 0.58/0.89 | ~ (memberP @ sk1 @ X0))),
% 0.58/0.89 inference('clc', [status(thm)], [zip_derived_cl1252, zip_derived_cl5])).
% 0.58/0.89 thf(co1_11, conjecture, (~( ( ( nil ) = ( sk3 ) ) | ( ssItem @ sk6 ) ))).
% 0.58/0.89 thf(zf_stmt_7, negated_conjecture,
% 0.58/0.89 (( ( nil ) = ( sk3 ) ) | ( ssItem @ sk6 )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_11])).
% 0.58/0.89 thf(zip_derived_cl60, plain, ((((nil) = (sk3)) | (ssItem @ sk6))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.58/0.89 thf(zip_derived_cl65, plain, (((sk1) = (sk3))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/0.89 thf(zip_derived_cl489, plain, ((((nil) = (sk1)) | (ssItem @ sk6))),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl60, zip_derived_cl65])).
% 0.58/0.89 thf(zip_derived_cl1489, plain,
% 0.58/0.89 (![X0 : $i]:
% 0.58/0.89 (~ (memberP @ sk1 @ X0)
% 0.58/0.89 | ((nil) = (sk1))
% 0.58/0.89 | ((X0) = (sk6))
% 0.58/0.89 | ~ (ssItem @ X0))),
% 0.58/0.89 inference('clc', [status(thm)], [zip_derived_cl1488, zip_derived_cl489])).
% 0.58/0.89 thf(zip_derived_cl1503, plain,
% 0.58/0.89 ((~ (ssItem @ sk5) | ((sk5) = (sk6)) | ((nil) = (sk1)))),
% 0.58/0.89 inference('sup-', [status(thm)], [zip_derived_cl63, zip_derived_cl1489])).
% 0.58/0.89 thf(co1_7, conjecture, (~( ssItem @ sk5 ))).
% 0.58/0.89 thf(zf_stmt_8, negated_conjecture, (ssItem @ sk5),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_7])).
% 0.58/0.89 thf(zip_derived_cl64, plain, ( (ssItem @ sk5)),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_8])).
% 0.58/0.89 thf(zip_derived_cl1513, plain, ((((sk5) = (sk6)) | ((nil) = (sk1)))),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl1503, zip_derived_cl64])).
% 0.58/0.89 thf(co1_16, conjecture,
% 0.58/0.89 (~( ( ( nil ) = ( sk3 ) ) | ( memberP @ sk4 @ sk6 ) ))).
% 0.58/0.89 thf(zf_stmt_9, negated_conjecture,
% 0.58/0.89 (( ( nil ) = ( sk3 ) ) | ( memberP @ sk4 @ sk6 )),
% 0.58/0.89 inference('cnf.neg', [status(esa)], [co1_16])).
% 0.58/0.89 thf(zip_derived_cl55, plain, ((((nil) = (sk3)) | (memberP @ sk4 @ sk6))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_9])).
% 0.58/0.89 thf(zip_derived_cl65, plain, (((sk1) = (sk3))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/0.89 thf(zip_derived_cl66, plain, (((sk2) = (sk4))),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/0.89 thf(zip_derived_cl506, plain, ((((nil) = (sk1)) | (memberP @ sk2 @ sk6))),
% 0.58/0.89 inference('demod', [status(thm)],
% 0.58/0.89 [zip_derived_cl55, zip_derived_cl65, zip_derived_cl66])).
% 0.58/0.89 thf(zip_derived_cl1528, plain,
% 0.58/0.89 (( (memberP @ sk2 @ sk5) | ((nil) = (sk1)) | ((nil) = (sk1)))),
% 0.58/0.89 inference('sup+', [status(thm)], [zip_derived_cl1513, zip_derived_cl506])).
% 0.58/0.89 thf(zip_derived_cl1558, plain, ((((nil) = (sk1)) | (memberP @ sk2 @ sk5))),
% 0.58/0.89 inference('simplify', [status(thm)], [zip_derived_cl1528])).
% 0.58/0.89 thf(zip_derived_cl62, plain, (~ (memberP @ sk2 @ sk5)),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.58/0.89 thf(zip_derived_cl1832, plain, (((nil) = (sk1))),
% 0.58/0.89 inference('clc', [status(thm)], [zip_derived_cl1558, zip_derived_cl62])).
% 0.58/0.89 thf(zip_derived_cl1839, plain,
% 0.58/0.89 ((~ (memberP @ nil @ sk5) | ((nil) != (nil)))),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl502, zip_derived_cl1832])).
% 0.58/0.89 thf(zip_derived_cl1840, plain, (~ (memberP @ nil @ sk5)),
% 0.58/0.89 inference('simplify', [status(thm)], [zip_derived_cl1839])).
% 0.58/0.89 thf(zip_derived_cl63, plain, ( (memberP @ sk1 @ sk5)),
% 0.58/0.89 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.58/0.89 thf(zip_derived_cl1832, plain, (((nil) = (sk1))),
% 0.58/0.89 inference('clc', [status(thm)], [zip_derived_cl1558, zip_derived_cl62])).
% 0.58/0.89 thf(zip_derived_cl1833, plain, ( (memberP @ nil @ sk5)),
% 0.58/0.89 inference('demod', [status(thm)], [zip_derived_cl63, zip_derived_cl1832])).
% 0.58/0.89 thf(zip_derived_cl1930, plain, ($false),
% 0.58/0.89 inference('demod', [status(thm)],
% 0.58/0.89 [zip_derived_cl1840, zip_derived_cl1833])).
% 0.58/0.89
% 0.58/0.89 % SZS output end Refutation
% 0.58/0.89
% 0.58/0.89
% 0.58/0.89 % Terminating...
% 0.59/0.95 % Runner terminated.
% 0.59/0.96 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------