%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC241-1 : TPTP v9.2.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.d7mNJNUaeN true
% Computer : n008.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 04:59:06 PM UTC 2025
% Result : Unsatisfiable 4.20s 1.17s
% Output : Refutation 4.20s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : SWC241-1 : TPTP v9.2.0. Released v2.4.0.
% 0.11/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.d7mNJNUaeN true
% 0.14/0.34 % Computer : n008.cluster.edu
% 0.14/0.34 % Model : x86_64 x86_64
% 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34 % Memory : 8042.1875MB
% 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34 % CPULimit : 300
% 0.14/0.34 % WCLimit : 300
% 0.14/0.34 % DateTime : Wed Oct 1 17:16:23 EDT 2025
% 0.14/0.34 % CPUTime :
% 0.14/0.34 % Running portfolio for 300 s
% 0.14/0.35 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.35 % Number of cores: 8
% 0.14/0.35 % Python version: Python 3.6.8
% 0.14/0.35 % Running in FO mode
% 0.57/0.64 % Total configuration time : 435
% 0.57/0.64 % Estimated wc time : 1092
% 0.57/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.57/0.70 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.57/0.73 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.58/0.80 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 4.20/1.17 % Solved by fo/fo4.sh.
% 4.20/1.17 % done 738 iterations in 0.347s
% 4.20/1.17 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 4.20/1.17 % SZS output start Refutation
% 4.20/1.17 thf(nil_type, type, nil: $i).
% 4.20/1.17 thf(sk7_type, type, sk7: $i).
% 4.20/1.17 thf(sk5_type, type, sk5: $i > $i > $i > $i).
% 4.20/1.17 thf(leq_type, type, leq: $i > $i > $o).
% 4.20/1.17 thf(cons_type, type, cons: $i > $i > $i).
% 4.20/1.17 thf(lt_type, type, lt: $i > $i > $o).
% 4.20/1.17 thf(ssItem_type, type, ssItem: $i > $o).
% 4.20/1.17 thf(sk3_type, type, sk3: $i).
% 4.20/1.17 thf(sk6_type, type, sk6: $i).
% 4.20/1.17 thf(app_type, type, app: $i > $i > $i).
% 4.20/1.17 thf(ssList_type, type, ssList: $i > $o).
% 4.20/1.17 thf(sk8_type, type, sk8: $i).
% 4.20/1.17 thf(sk1_type, type, sk1: $i).
% 4.20/1.17 thf(clause103, axiom,
% 4.20/1.17 (( ~( lt @ U @ V ) ) | ( ~( ssItem @ V ) ) | ( ~( ssItem @ U ) ) |
% 4.20/1.17 ( leq @ U @ V ))).
% 4.20/1.17 thf(zip_derived_cl10, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i]:
% 4.20/1.17 (~ (lt @ X0 @ X1)
% 4.20/1.17 | ~ (ssItem @ X1)
% 4.20/1.17 | ~ (ssItem @ X0)
% 4.20/1.17 | (leq @ X0 @ X1))),
% 4.20/1.17 inference('cnf', [status(esa)], [clause103])).
% 4.20/1.17 thf(co1_16, conjecture,
% 4.20/1.17 (~( ( ( app @ ( app @ sk7 @ ( cons @ sk6 @ nil ) ) @ sk8 ) = ( sk3 ) ) |
% 4.20/1.17 ( ( nil ) = ( sk3 ) ) ))).
% 4.20/1.17 thf(zf_stmt_0, negated_conjecture,
% 4.20/1.17 (( ( app @ ( app @ sk7 @ ( cons @ sk6 @ nil ) ) @ sk8 ) = ( sk3 ) ) |
% 4.20/1.17 ( ( nil ) = ( sk3 ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_16])).
% 4.20/1.17 thf(zip_derived_cl37, plain,
% 4.20/1.17 ((((app @ (app @ sk7 @ (cons @ sk6 @ nil)) @ sk8) = (sk3))
% 4.20/1.17 | ((nil) = (sk3)))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.20/1.17 thf(co1_7, conjecture, (( nil ) = ( sk1 ))).
% 4.20/1.17 thf(zf_stmt_1, negated_conjecture, (( nil ) != ( sk1 )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_7])).
% 4.20/1.17 thf(zip_derived_cl46, plain, (((nil) != (sk1))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_1])).
% 4.20/1.17 thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 4.20/1.17 thf(zf_stmt_2, negated_conjecture, (( sk1 ) = ( sk3 )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_6])).
% 4.20/1.17 thf(zip_derived_cl47, plain, (((sk1) = (sk3))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_2])).
% 4.20/1.17 thf(zip_derived_cl57, plain, (((nil) != (sk3))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl107, plain,
% 4.20/1.17 (((app @ (app @ sk7 @ (cons @ sk6 @ nil)) @ sk8) = (sk3))),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl37, zip_derived_cl57])).
% 4.20/1.17 thf(co1_12, conjecture,
% 4.20/1.17 (~( ( ~( leq @ A @ ( sk5 @ C @ B @ A ) ) ) |
% 4.20/1.17 ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C ) != ( sk1 ) ) |
% 4.20/1.17 ( ~( ssList @ C ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ A ) ) ))).
% 4.20/1.17 thf(zf_stmt_3, negated_conjecture,
% 4.20/1.17 (( ~( leq @ A @ ( sk5 @ C @ B @ A ) ) ) |
% 4.20/1.17 ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C ) != ( sk1 ) ) |
% 4.20/1.17 ( ~( ssList @ C ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ A ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_12])).
% 4.20/1.17 thf(zip_derived_cl41, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i, X2 : $i]:
% 4.20/1.17 (~ (leq @ X0 @ (sk5 @ X1 @ X2 @ X0))
% 4.20/1.17 | ((app @ (app @ X2 @ (cons @ X0 @ nil)) @ X1) != (sk1))
% 4.20/1.17 | ~ (ssList @ X1)
% 4.20/1.17 | ~ (ssList @ X2)
% 4.20/1.17 | ~ (ssItem @ X0))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_3])).
% 4.20/1.17 thf(zip_derived_cl47, plain, (((sk1) = (sk3))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_2])).
% 4.20/1.17 thf(zip_derived_cl2418, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i, X2 : $i]:
% 4.20/1.17 (~ (leq @ X0 @ (sk5 @ X1 @ X2 @ X0))
% 4.20/1.17 | ((app @ (app @ X2 @ (cons @ X0 @ nil)) @ X1) != (sk3))
% 4.20/1.17 | ~ (ssList @ X1)
% 4.20/1.17 | ~ (ssList @ X2)
% 4.20/1.17 | ~ (ssItem @ X0))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl41, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl2424, plain,
% 4.20/1.17 ((((sk3) != (sk3))
% 4.20/1.17 | ~ (ssItem @ sk6)
% 4.20/1.17 | ~ (ssList @ sk7)
% 4.20/1.17 | ~ (ssList @ sk8)
% 4.20/1.17 | ~ (leq @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('sup-', [status(thm)], [zip_derived_cl107, zip_derived_cl2418])).
% 4.20/1.17 thf(co1_13, conjecture, (~( ( ssItem @ sk6 ) | ( ( nil ) = ( sk3 ) ) ))).
% 4.20/1.17 thf(zf_stmt_4, negated_conjecture,
% 4.20/1.17 (( ssItem @ sk6 ) | ( ( nil ) = ( sk3 ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_13])).
% 4.20/1.17 thf(zip_derived_cl40, plain, (( (ssItem @ sk6) | ((nil) = (sk3)))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_4])).
% 4.20/1.17 thf(zip_derived_cl57, plain, (((nil) != (sk3))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl62, plain, ( (ssItem @ sk6)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl40, zip_derived_cl57])).
% 4.20/1.17 thf(co1_14, conjecture, (~( ( ssList @ sk7 ) | ( ( nil ) = ( sk3 ) ) ))).
% 4.20/1.17 thf(zf_stmt_5, negated_conjecture,
% 4.20/1.17 (( ssList @ sk7 ) | ( ( nil ) = ( sk3 ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_14])).
% 4.20/1.17 thf(zip_derived_cl39, plain, (( (ssList @ sk7) | ((nil) = (sk3)))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_5])).
% 4.20/1.17 thf(zip_derived_cl57, plain, (((nil) != (sk3))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl61, plain, ( (ssList @ sk7)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl39, zip_derived_cl57])).
% 4.20/1.17 thf(co1_15, conjecture, (~( ( ssList @ sk8 ) | ( ( nil ) = ( sk3 ) ) ))).
% 4.20/1.17 thf(zf_stmt_6, negated_conjecture,
% 4.20/1.17 (( ssList @ sk8 ) | ( ( nil ) = ( sk3 ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_15])).
% 4.20/1.17 thf(zip_derived_cl38, plain, (( (ssList @ sk8) | ((nil) = (sk3)))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_6])).
% 4.20/1.17 thf(zip_derived_cl57, plain, (((nil) != (sk3))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl60, plain, ( (ssList @ sk8)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl38, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl2435, plain,
% 4.20/1.17 ((((sk3) != (sk3)) | ~ (leq @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('demod', [status(thm)],
% 4.20/1.17 [zip_derived_cl2424, zip_derived_cl62, zip_derived_cl61,
% 4.20/1.17 zip_derived_cl60])).
% 4.20/1.17 thf(zip_derived_cl2436, plain, (~ (leq @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6))),
% 4.20/1.17 inference('simplify', [status(thm)], [zip_derived_cl2435])).
% 4.20/1.17 thf(zip_derived_cl2439, plain,
% 4.20/1.17 ((~ (ssItem @ sk6)
% 4.20/1.17 | ~ (ssItem @ (sk5 @ sk8 @ sk7 @ sk6))
% 4.20/1.17 | ~ (lt @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('sup-', [status(thm)], [zip_derived_cl10, zip_derived_cl2436])).
% 4.20/1.17 thf(zip_derived_cl62, plain, ( (ssItem @ sk6)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl40, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl2440, plain,
% 4.20/1.17 ((~ (ssItem @ (sk5 @ sk8 @ sk7 @ sk6))
% 4.20/1.17 | ~ (lt @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl2439, zip_derived_cl62])).
% 4.20/1.17 thf(zip_derived_cl107, plain,
% 4.20/1.17 (((app @ (app @ sk7 @ (cons @ sk6 @ nil)) @ sk8) = (sk3))),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl37, zip_derived_cl57])).
% 4.20/1.17 thf(co1_11, conjecture,
% 4.20/1.17 (~( ( lt @ A @ ( sk5 @ C @ B @ A ) ) |
% 4.20/1.17 ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C ) != ( sk1 ) ) |
% 4.20/1.17 ( ~( ssList @ C ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ A ) ) ))).
% 4.20/1.17 thf(zf_stmt_7, negated_conjecture,
% 4.20/1.17 (( lt @ A @ ( sk5 @ C @ B @ A ) ) |
% 4.20/1.17 ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C ) != ( sk1 ) ) |
% 4.20/1.17 ( ~( ssList @ C ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ A ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_11])).
% 4.20/1.17 thf(zip_derived_cl42, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i, X2 : $i]:
% 4.20/1.17 ( (lt @ X0 @ (sk5 @ X1 @ X2 @ X0))
% 4.20/1.17 | ((app @ (app @ X2 @ (cons @ X0 @ nil)) @ X1) != (sk1))
% 4.20/1.17 | ~ (ssList @ X1)
% 4.20/1.17 | ~ (ssList @ X2)
% 4.20/1.17 | ~ (ssItem @ X0))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_7])).
% 4.20/1.17 thf(zip_derived_cl47, plain, (((sk1) = (sk3))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_2])).
% 4.20/1.17 thf(zip_derived_cl2489, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i, X2 : $i]:
% 4.20/1.17 ( (lt @ X0 @ (sk5 @ X1 @ X2 @ X0))
% 4.20/1.17 | ((app @ (app @ X2 @ (cons @ X0 @ nil)) @ X1) != (sk3))
% 4.20/1.17 | ~ (ssList @ X1)
% 4.20/1.17 | ~ (ssList @ X2)
% 4.20/1.17 | ~ (ssItem @ X0))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl42, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl2499, plain,
% 4.20/1.17 ((((sk3) != (sk3))
% 4.20/1.17 | ~ (ssItem @ sk6)
% 4.20/1.17 | ~ (ssList @ sk7)
% 4.20/1.17 | ~ (ssList @ sk8)
% 4.20/1.17 | (lt @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('sup-', [status(thm)], [zip_derived_cl107, zip_derived_cl2489])).
% 4.20/1.17 thf(zip_derived_cl62, plain, ( (ssItem @ sk6)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl40, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl61, plain, ( (ssList @ sk7)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl39, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl60, plain, ( (ssList @ sk8)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl38, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl2510, plain,
% 4.20/1.17 ((((sk3) != (sk3)) | (lt @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('demod', [status(thm)],
% 4.20/1.17 [zip_derived_cl2499, zip_derived_cl62, zip_derived_cl61,
% 4.20/1.17 zip_derived_cl60])).
% 4.20/1.17 thf(zip_derived_cl2511, plain, ( (lt @ sk6 @ (sk5 @ sk8 @ sk7 @ sk6))),
% 4.20/1.17 inference('simplify', [status(thm)], [zip_derived_cl2510])).
% 4.20/1.17 thf(zip_derived_cl2735, plain, (~ (ssItem @ (sk5 @ sk8 @ sk7 @ sk6))),
% 4.20/1.17 inference('demod', [status(thm)],
% 4.20/1.17 [zip_derived_cl2440, zip_derived_cl2511])).
% 4.20/1.17 thf(zip_derived_cl107, plain,
% 4.20/1.17 (((app @ (app @ sk7 @ (cons @ sk6 @ nil)) @ sk8) = (sk3))),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl37, zip_derived_cl57])).
% 4.20/1.17 thf(co1_8, conjecture,
% 4.20/1.17 (~( ( ssItem @ ( sk5 @ C @ B @ A ) ) |
% 4.20/1.17 ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C ) != ( sk1 ) ) |
% 4.20/1.17 ( ~( ssList @ C ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ A ) ) ))).
% 4.20/1.17 thf(zf_stmt_8, negated_conjecture,
% 4.20/1.17 (( ssItem @ ( sk5 @ C @ B @ A ) ) |
% 4.20/1.17 ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C ) != ( sk1 ) ) |
% 4.20/1.17 ( ~( ssList @ C ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ A ) )),
% 4.20/1.17 inference('cnf.neg', [status(esa)], [co1_8])).
% 4.20/1.17 thf(zip_derived_cl45, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i, X2 : $i]:
% 4.20/1.17 ( (ssItem @ (sk5 @ X0 @ X1 @ X2))
% 4.20/1.17 | ((app @ (app @ X1 @ (cons @ X2 @ nil)) @ X0) != (sk1))
% 4.20/1.17 | ~ (ssList @ X0)
% 4.20/1.17 | ~ (ssList @ X1)
% 4.20/1.17 | ~ (ssItem @ X2))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_8])).
% 4.20/1.17 thf(zip_derived_cl47, plain, (((sk1) = (sk3))),
% 4.20/1.17 inference('cnf', [status(esa)], [zf_stmt_2])).
% 4.20/1.17 thf(zip_derived_cl2784, plain,
% 4.20/1.17 (![X0 : $i, X1 : $i, X2 : $i]:
% 4.20/1.17 ( (ssItem @ (sk5 @ X0 @ X1 @ X2))
% 4.20/1.17 | ((app @ (app @ X1 @ (cons @ X2 @ nil)) @ X0) != (sk3))
% 4.20/1.17 | ~ (ssList @ X0)
% 4.20/1.17 | ~ (ssList @ X1)
% 4.20/1.17 | ~ (ssItem @ X2))),
% 4.20/1.17 inference('demod', [status(thm)], [zip_derived_cl45, zip_derived_cl47])).
% 4.20/1.17 thf(zip_derived_cl2790, plain,
% 4.20/1.17 ((((sk3) != (sk3))
% 4.20/1.17 | ~ (ssItem @ sk6)
% 4.20/1.17 | ~ (ssList @ sk7)
% 4.20/1.17 | ~ (ssList @ sk8)
% 4.20/1.17 | (ssItem @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('sup-', [status(thm)], [zip_derived_cl107, zip_derived_cl2784])).
% 4.20/1.17 thf(zip_derived_cl62, plain, ( (ssItem @ sk6)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl40, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl61, plain, ( (ssList @ sk7)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl39, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl60, plain, ( (ssList @ sk8)),
% 4.20/1.17 inference('simplify_reflect-', [status(thm)],
% 4.20/1.17 [zip_derived_cl38, zip_derived_cl57])).
% 4.20/1.17 thf(zip_derived_cl2801, plain,
% 4.20/1.17 ((((sk3) != (sk3)) | (ssItem @ (sk5 @ sk8 @ sk7 @ sk6)))),
% 4.20/1.17 inference('demod', [status(thm)],
% 4.20/1.17 [zip_derived_cl2790, zip_derived_cl62, zip_derived_cl61,
% 4.20/1.17 zip_derived_cl60])).
% 4.20/1.17 thf(zip_derived_cl2802, plain, ( (ssItem @ (sk5 @ sk8 @ sk7 @ sk6))),
% 4.20/1.17 inference('simplify', [status(thm)], [zip_derived_cl2801])).
% 4.20/1.17 thf(zip_derived_cl2805, plain, ($false),
% 4.20/1.17 inference('demod', [status(thm)],
% 4.20/1.17 [zip_derived_cl2735, zip_derived_cl2802])).
% 4.20/1.17
% 4.20/1.17 % SZS output end Refutation
% 4.20/1.17
% 4.20/1.17
% 4.20/1.17 % Terminating...
% 4.62/1.27 % Runner terminated.
% 4.62/1.28 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------