%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC366-1 : 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.uA6mCiROzF true
% Computer : n013.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 04:59:32 PM UTC 2025
% Result : Unsatisfiable 0.58s 1.01s
% Output : Refutation 0.58s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SWC366-1 : TPTP v9.2.0. Released v2.4.0.
% 0.07/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.uA6mCiROzF true
% 0.14/0.35 % Computer : n013.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 300
% 0.14/0.35 % DateTime : Wed Oct 1 17:20:08 EDT 2025
% 0.14/0.35 % CPUTime :
% 0.14/0.35 % Running portfolio for 300 s
% 0.14/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.35 % Number of cores: 8
% 0.14/0.35 % Python version: Python 3.6.8
% 0.14/0.36 % Running in FO mode
% 0.56/0.68 % Total configuration time : 435
% 0.56/0.68 % Estimated wc time : 1092
% 0.56/0.68 % Estimated cpu time (7 cpus) : 156.0
% 0.58/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.58/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.58/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.58/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.58/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.58/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.58/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.58/1.01 % Solved by fo/fo3_bce.sh.
% 0.58/1.01 % BCE start: 79
% 0.58/1.01 % BCE eliminated: 1
% 0.58/1.01 % PE start: 78
% 0.58/1.01 logic: eq
% 0.58/1.01 % PE eliminated: 0
% 0.58/1.01 % done 229 iterations in 0.203s
% 0.58/1.01 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.58/1.01 % SZS output start Refutation
% 0.58/1.01 thf(nil_type, type, nil: $i).
% 0.58/1.01 thf(cons_type, type, cons: $i > $i > $i).
% 0.58/1.01 thf(sk2_type, type, sk2: $i).
% 0.58/1.01 thf(sk4_type, type, sk4: $i).
% 0.58/1.01 thf(hd_type, type, hd: $i > $i).
% 0.58/1.01 thf(ssItem_type, type, ssItem: $i > $o).
% 0.58/1.01 thf(rearsegP_type, type, rearsegP: $i > $i > $o).
% 0.58/1.01 thf(sk3_type, type, sk3: $i).
% 0.58/1.01 thf(neq_type, type, neq: $i > $i > $o).
% 0.58/1.01 thf(app_type, type, app: $i > $i > $i).
% 0.58/1.01 thf(ssList_type, type, ssList: $i > $o).
% 0.58/1.01 thf(sk1_type, type, sk1: $i).
% 0.58/1.01 thf(clause76, axiom,
% 0.58/1.01 (( ~( ssList @ U ) ) | ( ssItem @ ( hd @ U ) ) | ( ( nil ) = ( U ) ))).
% 0.58/1.01 thf(zip_derived_cl12, plain,
% 0.58/1.01 (![X0 : $i]: (~ (ssList @ X0) | (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause76])).
% 0.58/1.01 thf(clause86, axiom,
% 0.58/1.01 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( cons @ U @ V ) ))).
% 0.58/1.01 thf(zip_derived_cl18, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssItem @ X0) | ~ (ssList @ X1) | (ssList @ (cons @ X0 @ X1)))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause86])).
% 0.58/1.01 thf(clause85, axiom,
% 0.58/1.01 (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( app @ V @ U ) ))).
% 0.58/1.01 thf(zip_derived_cl17, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssList @ X0) | ~ (ssList @ X1) | (ssList @ (app @ X1 @ X0)))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause85])).
% 0.58/1.01 thf(clause100, axiom,
% 0.58/1.01 (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( neq @ V @ U ) |
% 0.58/1.01 ( ( V ) = ( U ) ))).
% 0.58/1.01 thf(zip_derived_cl25, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause100])).
% 0.58/1.01 thf(co1_11, conjecture,
% 0.58/1.01 (~( ( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ nil @ sk4 ) ) |
% 0.58/1.01 ( ( hd @ sk4 ) != ( C ) ) | ( ( cons @ C @ nil ) != ( B ) ) |
% 0.58/1.01 ( ~( ssItem @ C ) ) | ( ( app @ B @ sk3 ) != ( A ) ) |
% 0.58/1.01 ( ~( ssList @ B ) ) | ( ( sk4 ) = ( A ) ) | ( ~( ssList @ A ) ) ))).
% 0.58/1.01 thf(zf_stmt_0, negated_conjecture,
% 0.58/1.01 (( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ nil @ sk4 ) ) |
% 0.58/1.01 ( ( hd @ sk4 ) != ( C ) ) | ( ( cons @ C @ nil ) != ( B ) ) |
% 0.58/1.01 ( ~( ssItem @ C ) ) | ( ( app @ B @ sk3 ) != ( A ) ) |
% 0.58/1.01 ( ~( ssList @ B ) ) | ( ( sk4 ) = ( A ) ) | ( ~( ssList @ A ) )),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_11])).
% 0.58/1.01 thf(zip_derived_cl68, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/1.01 (~ (neq @ sk4 @ nil)
% 0.58/1.01 | ~ (neq @ nil @ sk4)
% 0.58/1.01 | ((hd @ sk4) != (X0))
% 0.58/1.01 | ((cons @ X0 @ nil) != (X1))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ((app @ X1 @ sk3) != (X2))
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ((sk4) = (X2))
% 0.58/1.01 | ~ (ssList @ X2))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.58/1.01 thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 0.58/1.01 thf(zf_stmt_1, negated_conjecture, (( sk2 ) = ( sk4 )),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_5])).
% 0.58/1.01 thf(zip_derived_cl74, plain, (((sk2) = (sk4))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/1.01 thf(co1_7, conjecture, (~( neq @ sk2 @ nil ))).
% 0.58/1.01 thf(zf_stmt_2, negated_conjecture, (neq @ sk2 @ nil),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_7])).
% 0.58/1.01 thf(zip_derived_cl72, plain, ( (neq @ sk2 @ nil)),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/1.01 thf(zip_derived_cl74, plain, (((sk2) = (sk4))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/1.01 thf(zip_derived_cl74, plain, (((sk2) = (sk4))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/1.01 thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 0.58/1.01 thf(zf_stmt_3, negated_conjecture, (( sk1 ) = ( sk3 )),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_6])).
% 0.58/1.01 thf(zip_derived_cl73, plain, (((sk1) = (sk3))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.58/1.01 thf(zip_derived_cl74, plain, (((sk2) = (sk4))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/1.01 thf(zip_derived_cl1140, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/1.01 (~ (neq @ nil @ sk2)
% 0.58/1.01 | ((hd @ sk2) != (X0))
% 0.58/1.01 | ((cons @ X0 @ nil) != (X1))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ((app @ X1 @ sk1) != (X2))
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ((sk2) = (X2))
% 0.58/1.01 | ~ (ssList @ X2))),
% 0.58/1.01 inference('demod', [status(thm)],
% 0.58/1.01 [zip_derived_cl68, zip_derived_cl74, zip_derived_cl72,
% 0.58/1.01 zip_derived_cl74, zip_derived_cl74, zip_derived_cl73,
% 0.58/1.01 zip_derived_cl74])).
% 0.58/1.01 thf(zip_derived_cl1141, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/1.01 (((nil) = (sk2))
% 0.58/1.01 | ~ (ssList @ nil)
% 0.58/1.01 | ~ (ssList @ sk2)
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | ((sk2) = (X0))
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ((app @ X1 @ sk1) != (X0))
% 0.58/1.01 | ~ (ssItem @ X2)
% 0.58/1.01 | ((cons @ X2 @ nil) != (X1))
% 0.58/1.01 | ((hd @ sk2) != (X2)))),
% 0.58/1.01 inference('sup-', [status(thm)], [zip_derived_cl25, zip_derived_cl1140])).
% 0.58/1.01 thf(clause8, axiom, (ssList @ nil)).
% 0.58/1.01 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 0.58/1.01 inference('cnf', [status(esa)], [clause8])).
% 0.58/1.01 thf(co1_4, conjecture, (~( ssList @ sk4 ))).
% 0.58/1.01 thf(zf_stmt_4, negated_conjecture, (ssList @ sk4),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_4])).
% 0.58/1.01 thf(zip_derived_cl75, plain, ( (ssList @ sk4)),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.58/1.01 thf(zip_derived_cl74, plain, (((sk2) = (sk4))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/1.01 thf(zip_derived_cl621, plain, ( (ssList @ sk2)),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl75, zip_derived_cl74])).
% 0.58/1.01 thf(zip_derived_cl1143, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/1.01 (((nil) = (sk2))
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | ((sk2) = (X0))
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ((app @ X1 @ sk1) != (X0))
% 0.58/1.01 | ~ (ssItem @ X2)
% 0.58/1.01 | ((cons @ X2 @ nil) != (X1))
% 0.58/1.01 | ((hd @ sk2) != (X2)))),
% 0.58/1.01 inference('demod', [status(thm)],
% 0.58/1.01 [zip_derived_cl1141, zip_derived_cl2, zip_derived_cl621])).
% 0.58/1.01 thf(zip_derived_cl72, plain, ( (neq @ sk2 @ nil)),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/1.01 thf(clause115, axiom,
% 0.58/1.01 (( ( U ) != ( V ) ) | ( ~( neq @ U @ V ) ) | ( ~( ssList @ V ) ) |
% 0.58/1.01 ( ~( ssList @ U ) ))).
% 0.58/1.01 thf(zip_derived_cl33, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (((X1) != (X0))
% 0.58/1.01 | ~ (neq @ X1 @ X0)
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | ~ (ssList @ X1))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause115])).
% 0.58/1.01 thf(zip_derived_cl633, plain,
% 0.58/1.01 ((~ (ssList @ sk2) | ~ (ssList @ nil) | ((sk2) != (nil)))),
% 0.58/1.01 inference('sup-', [status(thm)], [zip_derived_cl72, zip_derived_cl33])).
% 0.58/1.01 thf(zip_derived_cl621, plain, ( (ssList @ sk2)),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl75, zip_derived_cl74])).
% 0.58/1.01 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 0.58/1.01 inference('cnf', [status(esa)], [clause8])).
% 0.58/1.01 thf(zip_derived_cl634, plain, (((sk2) != (nil))),
% 0.58/1.01 inference('demod', [status(thm)],
% 0.58/1.01 [zip_derived_cl633, zip_derived_cl621, zip_derived_cl2])).
% 0.58/1.01 thf(zip_derived_cl1144, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/1.01 (~ (ssList @ X0)
% 0.58/1.01 | ((sk2) = (X0))
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ((app @ X1 @ sk1) != (X0))
% 0.58/1.01 | ~ (ssItem @ X2)
% 0.58/1.01 | ((cons @ X2 @ nil) != (X1))
% 0.58/1.01 | ((hd @ sk2) != (X2)))),
% 0.58/1.01 inference('simplify_reflect-', [status(thm)],
% 0.58/1.01 [zip_derived_cl1143, zip_derived_cl634])).
% 0.58/1.01 thf(zip_derived_cl1152, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (((hd @ sk2) != (X0))
% 0.58/1.01 | ((cons @ X0 @ nil) != (X1))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ((sk2) = (app @ X1 @ sk1))
% 0.58/1.01 | ~ (ssList @ (app @ X1 @ sk1)))),
% 0.58/1.01 inference('eq_res', [status(thm)], [zip_derived_cl1144])).
% 0.58/1.01 thf(zip_derived_cl1188, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssList @ X0)
% 0.58/1.01 | ~ (ssList @ sk1)
% 0.58/1.01 | ((sk2) = (app @ X0 @ sk1))
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | ~ (ssItem @ X1)
% 0.58/1.01 | ((cons @ X1 @ nil) != (X0))
% 0.58/1.01 | ((hd @ sk2) != (X1)))),
% 0.58/1.01 inference('sup-', [status(thm)], [zip_derived_cl17, zip_derived_cl1152])).
% 0.58/1.01 thf(co1_3, conjecture, (~( ssList @ sk3 ))).
% 0.58/1.01 thf(zf_stmt_5, negated_conjecture, (ssList @ sk3),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_3])).
% 0.58/1.01 thf(zip_derived_cl76, plain, ( (ssList @ sk3)),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.58/1.01 thf(zip_derived_cl73, plain, (((sk1) = (sk3))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.58/1.01 thf(zip_derived_cl622, plain, ( (ssList @ sk1)),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl76, zip_derived_cl73])).
% 0.58/1.01 thf(zip_derived_cl1195, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssList @ X0)
% 0.58/1.01 | ((sk2) = (app @ X0 @ sk1))
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | ~ (ssItem @ X1)
% 0.58/1.01 | ((cons @ X1 @ nil) != (X0))
% 0.58/1.01 | ((hd @ sk2) != (X1)))),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl1188, zip_derived_cl622])).
% 0.58/1.01 thf(zip_derived_cl1196, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (((hd @ sk2) != (X1))
% 0.58/1.01 | ((cons @ X1 @ nil) != (X0))
% 0.58/1.01 | ~ (ssItem @ X1)
% 0.58/1.01 | ((sk2) = (app @ X0 @ sk1))
% 0.58/1.01 | ~ (ssList @ X0))),
% 0.58/1.01 inference('simplify', [status(thm)], [zip_derived_cl1195])).
% 0.58/1.01 thf(zip_derived_cl1243, plain,
% 0.58/1.01 (![X0 : $i]:
% 0.58/1.01 (~ (ssList @ (cons @ X0 @ nil))
% 0.58/1.01 | ((sk2) = (app @ (cons @ X0 @ nil) @ sk1))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ((hd @ sk2) != (X0)))),
% 0.58/1.01 inference('eq_res', [status(thm)], [zip_derived_cl1196])).
% 0.58/1.01 thf(clause143, axiom,
% 0.58/1.01 (( ( app @ U @ V ) != ( W ) ) | ( ~( ssList @ U ) ) |
% 0.58/1.01 ( ~( ssList @ V ) ) | ( ~( ssList @ W ) ) | ( rearsegP @ W @ V ))).
% 0.58/1.01 thf(zip_derived_cl49, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.58/1.01 (((app @ X1 @ X2) != (X0))
% 0.58/1.01 | ~ (ssList @ X1)
% 0.58/1.01 | ~ (ssList @ X2)
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | (rearsegP @ X0 @ X2))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause143])).
% 0.58/1.01 thf(zip_derived_cl765, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 ( (rearsegP @ (app @ X1 @ X0) @ X0)
% 0.58/1.01 | ~ (ssList @ (app @ X1 @ X0))
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | ~ (ssList @ X1))),
% 0.58/1.01 inference('eq_res', [status(thm)], [zip_derived_cl49])).
% 0.58/1.01 thf(zip_derived_cl17, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssList @ X0) | ~ (ssList @ X1) | (ssList @ (app @ X1 @ X0)))),
% 0.58/1.01 inference('cnf', [status(esa)], [clause85])).
% 0.58/1.01 thf(zip_derived_cl1947, plain,
% 0.58/1.01 (![X0 : $i, X1 : $i]:
% 0.58/1.01 (~ (ssList @ X1)
% 0.58/1.01 | ~ (ssList @ X0)
% 0.58/1.01 | (rearsegP @ (app @ X1 @ X0) @ X0))),
% 0.58/1.01 inference('clc', [status(thm)], [zip_derived_cl765, zip_derived_cl17])).
% 0.58/1.01 thf(zip_derived_cl1959, plain,
% 0.58/1.01 (![X0 : $i]:
% 0.58/1.01 ( (rearsegP @ sk2 @ sk1)
% 0.58/1.01 | ((hd @ sk2) != (X0))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ~ (ssList @ (cons @ X0 @ nil))
% 0.58/1.01 | ~ (ssList @ sk1)
% 0.58/1.01 | ~ (ssList @ (cons @ X0 @ nil)))),
% 0.58/1.01 inference('sup+', [status(thm)], [zip_derived_cl1243, zip_derived_cl1947])).
% 0.58/1.01 thf(co1_12, conjecture,
% 0.58/1.01 (~( ( ~( neq @ sk4 @ nil ) ) | ( ~( rearsegP @ sk2 @ sk1 ) ) ))).
% 0.58/1.01 thf(zf_stmt_6, negated_conjecture,
% 0.58/1.01 (( ~( neq @ sk4 @ nil ) ) | ( ~( rearsegP @ sk2 @ sk1 ) )),
% 0.58/1.01 inference('cnf.neg', [status(esa)], [co1_12])).
% 0.58/1.01 thf(zip_derived_cl67, plain,
% 0.58/1.01 ((~ (neq @ sk4 @ nil) | ~ (rearsegP @ sk2 @ sk1))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_6])).
% 0.58/1.01 thf(zip_derived_cl74, plain, (((sk2) = (sk4))),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.58/1.01 thf(zip_derived_cl623, plain,
% 0.58/1.01 ((~ (neq @ sk2 @ nil) | ~ (rearsegP @ sk2 @ sk1))),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl67, zip_derived_cl74])).
% 0.58/1.01 thf(zip_derived_cl72, plain, ( (neq @ sk2 @ nil)),
% 0.58/1.01 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.58/1.01 thf(zip_derived_cl624, plain, (~ (rearsegP @ sk2 @ sk1)),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl623, zip_derived_cl72])).
% 0.58/1.01 thf(zip_derived_cl622, plain, ( (ssList @ sk1)),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl76, zip_derived_cl73])).
% 0.58/1.01 thf(zip_derived_cl1973, plain,
% 0.58/1.01 (![X0 : $i]:
% 0.58/1.01 (((hd @ sk2) != (X0))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ~ (ssList @ (cons @ X0 @ nil))
% 0.58/1.01 | ~ (ssList @ (cons @ X0 @ nil)))),
% 0.58/1.01 inference('demod', [status(thm)],
% 0.58/1.01 [zip_derived_cl1959, zip_derived_cl624, zip_derived_cl622])).
% 0.58/1.01 thf(zip_derived_cl1974, plain,
% 0.58/1.01 (![X0 : $i]:
% 0.58/1.01 (~ (ssList @ (cons @ X0 @ nil))
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ((hd @ sk2) != (X0)))),
% 0.58/1.01 inference('simplify', [status(thm)], [zip_derived_cl1973])).
% 0.58/1.01 thf(zip_derived_cl1992, plain,
% 0.58/1.01 (![X0 : $i]:
% 0.58/1.01 (~ (ssList @ nil)
% 0.58/1.01 | ~ (ssItem @ X0)
% 0.58/1.01 | ((hd @ sk2) != (X0))
% 0.58/1.01 | ~ (ssItem @ X0))),
% 0.58/1.01 inference('sup-', [status(thm)], [zip_derived_cl18, zip_derived_cl1974])).
% 0.58/1.01 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 0.58/1.01 inference('cnf', [status(esa)], [clause8])).
% 0.58/1.01 thf(zip_derived_cl1993, plain,
% 0.58/1.01 (![X0 : $i]: (~ (ssItem @ X0) | ((hd @ sk2) != (X0)) | ~ (ssItem @ X0))),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl1992, zip_derived_cl2])).
% 0.58/1.01 thf(zip_derived_cl1994, plain,
% 0.58/1.01 (![X0 : $i]: (((hd @ sk2) != (X0)) | ~ (ssItem @ X0))),
% 0.58/1.01 inference('simplify', [status(thm)], [zip_derived_cl1993])).
% 0.58/1.01 thf(zip_derived_cl1999, plain,
% 0.58/1.01 (![X0 : $i]:
% 0.58/1.01 (((nil) = (X0)) | ~ (ssList @ X0) | ((hd @ sk2) != (hd @ X0)))),
% 0.58/1.01 inference('sup-', [status(thm)], [zip_derived_cl12, zip_derived_cl1994])).
% 0.58/1.01 thf(zip_derived_cl2002, plain, ((~ (ssList @ sk2) | ((nil) = (sk2)))),
% 0.58/1.01 inference('eq_res', [status(thm)], [zip_derived_cl1999])).
% 0.58/1.01 thf(zip_derived_cl621, plain, ( (ssList @ sk2)),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl75, zip_derived_cl74])).
% 0.58/1.01 thf(zip_derived_cl2003, plain, (((nil) = (sk2))),
% 0.58/1.01 inference('demod', [status(thm)], [zip_derived_cl2002, zip_derived_cl621])).
% 0.58/1.01 thf(zip_derived_cl634, plain, (((sk2) != (nil))),
% 0.58/1.01 inference('demod', [status(thm)],
% 0.58/1.01 [zip_derived_cl633, zip_derived_cl621, zip_derived_cl2])).
% 0.58/1.01 thf(zip_derived_cl2004, plain, ($false),
% 0.58/1.01 inference('simplify_reflect-', [status(thm)],
% 0.58/1.01 [zip_derived_cl2003, zip_derived_cl634])).
% 0.58/1.01
% 0.58/1.01 % SZS output end Refutation
% 0.58/1.01
% 0.58/1.01
% 0.58/1.01 % Terminating...
% 2.46/1.19 % Runner terminated.
% 2.46/1.21 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------