TSTP Solution File: SWC065-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SWC065-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.g8UdazWDsS true

% Computer : n028.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 Aug 31 21:28:53 EDT 2023

% Result   : Unsatisfiable 0.55s 1.17s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SWC065-1 : TPTP v8.1.2. Released v2.4.0.
% 0.06/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.g8UdazWDsS true
% 0.13/0.34  % Computer : n028.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 : Mon Aug 28 17:40:09 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  % Running portfolio for 300 s
% 0.13/0.34  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.34  % Number of cores: 8
% 0.19/0.34  % Python version: Python 3.6.8
% 0.19/0.34  % Running in FO mode
% 0.49/0.65  % Total configuration time : 435
% 0.49/0.65  % Estimated wc time : 1092
% 0.49/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.49/0.72  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.49/0.72  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.49/0.73  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.49/0.74  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.55/0.74  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.55/0.75  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.55/1.17  % Solved by fo/fo6_bce.sh.
% 0.55/1.17  % BCE start: 200
% 0.55/1.17  % BCE eliminated: 0
% 0.55/1.17  % PE start: 200
% 0.55/1.17  logic: eq
% 0.55/1.17  % PE eliminated: 4
% 0.55/1.17  % done 337 iterations in 0.446s
% 0.55/1.17  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.55/1.17  % SZS output start Refutation
% 0.55/1.17  thf(nil_type, type, nil: $i).
% 0.55/1.17  thf(sk2_type, type, sk2: $i).
% 0.55/1.17  thf(sk4_type, type, sk4: $i).
% 0.55/1.17  thf(sk5_type, type, sk5: $i).
% 0.55/1.17  thf(sk3_type, type, sk3: $i).
% 0.55/1.17  thf(neq_type, type, neq: $i > $i > $o).
% 0.55/1.17  thf(app_type, type, app: $i > $i > $i).
% 0.55/1.17  thf(ssList_type, type, ssList: $i > $o).
% 0.55/1.17  thf(sk1_type, type, sk1: $i).
% 0.55/1.17  thf(segmentP_type, type, segmentP: $i > $i > $o).
% 0.55/1.17  thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 0.55/1.17  thf(zf_stmt_0, negated_conjecture, (( sk2 ) = ( sk4 )),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_5])).
% 0.55/1.17  thf(zip_derived_cl189, plain, (((sk2) = (sk4))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/1.17  thf(co1_11, conjecture,
% 0.55/1.17    (~( ( ( nil ) != ( sk3 ) ) | ( ( nil ) = ( sk4 ) ) ))).
% 0.55/1.17  thf(zf_stmt_1, negated_conjecture,
% 0.55/1.17    (( ( nil ) != ( sk3 ) ) | ( ( nil ) = ( sk4 ) )),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_11])).
% 0.55/1.17  thf(zip_derived_cl195, plain, ((((nil) != (sk3)) | ((nil) = (sk4)))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/1.17  thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 0.55/1.17  thf(zf_stmt_2, negated_conjecture, (( sk1 ) = ( sk3 )),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_6])).
% 0.55/1.17  thf(zip_derived_cl190, plain, (((sk1) = (sk3))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.55/1.17  thf(zip_derived_cl1434, plain, ((((nil) != (sk1)) | ((nil) = (sk4)))),
% 0.55/1.17      inference('demod', [status(thm)], [zip_derived_cl195, zip_derived_cl190])).
% 0.55/1.17  thf(co1_8, conjecture, (( app @ sk3 @ sk5 ) != ( sk4 ))).
% 0.55/1.17  thf(zf_stmt_3, negated_conjecture, (( app @ sk3 @ sk5 ) = ( sk4 )),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_8])).
% 0.55/1.17  thf(zip_derived_cl192, plain, (((app @ sk3 @ sk5) = (sk4))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.55/1.17  thf(zip_derived_cl190, plain, (((sk1) = (sk3))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.55/1.17  thf(zip_derived_cl189, plain, (((sk2) = (sk4))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/1.17  thf(zip_derived_cl1435, plain, (((app @ sk1 @ sk5) = (sk2))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl192, zip_derived_cl190, zip_derived_cl189])).
% 0.55/1.17  thf(clause74, axiom, (( ~( ssList @ U ) ) | ( ( app @ nil @ U ) = ( U ) ))).
% 0.55/1.17  thf(zip_derived_cl73, plain,
% 0.55/1.17      (![X0 : $i]: (~ (ssList @ X0) | ((app @ nil @ X0) = (X0)))),
% 0.55/1.17      inference('cnf', [status(esa)], [clause74])).
% 0.55/1.17  thf(clause173, axiom,
% 0.55/1.17    (( ( app @ ( app @ U @ V ) @ W ) != ( X ) ) | ( ~( ssList @ W ) ) | 
% 0.55/1.17     ( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( ~( ssList @ X ) ) | 
% 0.55/1.17     ( segmentP @ X @ V ))).
% 0.55/1.17  thf(zip_derived_cl172, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/1.17         (((app @ (app @ X1 @ X2) @ X3) != (X0))
% 0.55/1.17          | ~ (ssList @ X3)
% 0.55/1.17          | ~ (ssList @ X1)
% 0.55/1.17          | ~ (ssList @ X2)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          |  (segmentP @ X0 @ X2))),
% 0.55/1.17      inference('cnf', [status(esa)], [clause173])).
% 0.55/1.17  thf(zip_derived_cl3202, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/1.17         (~ (ssList @ X0)
% 0.55/1.17          | ((app @ X0 @ X2) != (X1))
% 0.55/1.17          | ~ (ssList @ X2)
% 0.55/1.17          | ~ (ssList @ nil)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ~ (ssList @ X1)
% 0.55/1.17          |  (segmentP @ X1 @ X0))),
% 0.55/1.17      inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl172])).
% 0.55/1.17  thf(clause8, axiom, (ssList @ nil)).
% 0.55/1.17  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 0.55/1.17      inference('cnf', [status(esa)], [clause8])).
% 0.55/1.17  thf(zip_derived_cl3233, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/1.17         (~ (ssList @ X0)
% 0.55/1.17          | ((app @ X0 @ X2) != (X1))
% 0.55/1.17          | ~ (ssList @ X2)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ~ (ssList @ X1)
% 0.55/1.17          |  (segmentP @ X1 @ X0))),
% 0.55/1.17      inference('demod', [status(thm)], [zip_derived_cl3202, zip_derived_cl7])).
% 0.55/1.17  thf(zip_derived_cl3234, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/1.17         ( (segmentP @ X1 @ X0)
% 0.55/1.17          | ~ (ssList @ X1)
% 0.55/1.17          | ~ (ssList @ X2)
% 0.55/1.17          | ((app @ X0 @ X2) != (X1))
% 0.55/1.17          | ~ (ssList @ X0))),
% 0.55/1.17      inference('simplify', [status(thm)], [zip_derived_cl3233])).
% 0.55/1.17  thf(zip_derived_cl3281, plain,
% 0.55/1.17      (![X0 : $i]:
% 0.55/1.17         ( (segmentP @ X0 @ sk1)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ~ (ssList @ sk5)
% 0.55/1.17          | ((sk2) != (X0))
% 0.55/1.17          | ~ (ssList @ sk1))),
% 0.55/1.17      inference('s_sup-', [status(thm)],
% 0.55/1.17                [zip_derived_cl1435, zip_derived_cl3234])).
% 0.55/1.17  thf(co1_7, conjecture, (~( ssList @ sk5 ))).
% 0.55/1.17  thf(zf_stmt_4, negated_conjecture, (ssList @ sk5),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_7])).
% 0.55/1.17  thf(zip_derived_cl191, plain, ( (ssList @ sk5)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.55/1.17  thf(co1_1, conjecture, (~( ssList @ sk1 ))).
% 0.55/1.17  thf(zf_stmt_5, negated_conjecture, (ssList @ sk1),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_1])).
% 0.55/1.17  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.55/1.17  thf(zip_derived_cl3304, plain,
% 0.55/1.17      (![X0 : $i]: ( (segmentP @ X0 @ sk1) | ~ (ssList @ X0) | ((sk2) != (X0)))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl3281, zip_derived_cl191, zip_derived_cl185])).
% 0.55/1.17  thf(clause57, axiom, (( ~( ssList @ U ) ) | ( segmentP @ U @ U ))).
% 0.55/1.17  thf(zip_derived_cl56, plain,
% 0.55/1.17      (![X0 : $i]: (~ (ssList @ X0) |  (segmentP @ X0 @ X0))),
% 0.55/1.17      inference('cnf', [status(esa)], [clause57])).
% 0.55/1.17  thf(clause100, axiom,
% 0.55/1.17    (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( neq @ V @ U ) | 
% 0.55/1.17     ( ( V ) = ( U ) ))).
% 0.55/1.17  thf(zip_derived_cl99, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i]:
% 0.55/1.17         (~ (ssList @ X0) | ~ (ssList @ X1) |  (neq @ X1 @ X0) | ((X1) = (X0)))),
% 0.55/1.17      inference('cnf', [status(esa)], [clause100])).
% 0.55/1.17  thf(co1_13, conjecture,
% 0.55/1.17    (~( ( ~( segmentP @ sk1 @ A ) ) | ( ~( segmentP @ sk2 @ A ) ) | 
% 0.55/1.17        ( ~( neq @ A @ nil ) ) | ( ~( ssList @ A ) ) | ( ( nil ) = ( sk2 ) ) ))).
% 0.55/1.17  thf(zf_stmt_6, negated_conjecture,
% 0.55/1.17    (( ~( segmentP @ sk1 @ A ) ) | ( ~( segmentP @ sk2 @ A ) ) | 
% 0.55/1.17     ( ~( neq @ A @ nil ) ) | ( ~( ssList @ A ) ) | ( ( nil ) = ( sk2 ) )),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_13])).
% 0.55/1.17  thf(zip_derived_cl197, plain,
% 0.55/1.17      (![X0 : $i]:
% 0.55/1.17         (~ (segmentP @ sk1 @ X0)
% 0.55/1.17          | ~ (segmentP @ sk2 @ X0)
% 0.55/1.17          | ~ (neq @ X0 @ nil)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ((nil) = (sk2)))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_6])).
% 0.55/1.17  thf(zip_derived_cl1412, plain,
% 0.55/1.17      (![X0 : $i]:
% 0.55/1.17         (((X0) = (nil))
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ~ (ssList @ nil)
% 0.55/1.17          | ((nil) = (sk2))
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ~ (segmentP @ sk2 @ X0)
% 0.55/1.17          | ~ (segmentP @ sk1 @ X0))),
% 0.55/1.17      inference('dp-resolution', [status(thm)],
% 0.55/1.17                [zip_derived_cl99, zip_derived_cl197])).
% 0.55/1.17  thf(zip_derived_cl1524, plain,
% 0.55/1.17      (![X0 : $i]:
% 0.55/1.17         (~ (segmentP @ sk1 @ X0)
% 0.55/1.17          | ~ (segmentP @ sk2 @ X0)
% 0.55/1.17          | ((nil) = (sk2))
% 0.55/1.17          | ~ (ssList @ nil)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ((X0) = (nil)))),
% 0.55/1.17      inference('simplify', [status(thm)], [zip_derived_cl1412])).
% 0.55/1.17  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 0.55/1.17      inference('cnf', [status(esa)], [clause8])).
% 0.55/1.17  thf(zip_derived_cl1525, plain,
% 0.55/1.17      (![X0 : $i]:
% 0.55/1.17         (~ (segmentP @ sk1 @ X0)
% 0.55/1.17          | ~ (segmentP @ sk2 @ X0)
% 0.55/1.17          | ((nil) = (sk2))
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ((X0) = (nil)))),
% 0.55/1.17      inference('demod', [status(thm)], [zip_derived_cl1524, zip_derived_cl7])).
% 0.55/1.17  thf(zip_derived_cl1435, plain, (((app @ sk1 @ sk5) = (sk2))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl192, zip_derived_cl190, zip_derived_cl189])).
% 0.55/1.17  thf(clause118, axiom,
% 0.55/1.17    (( ( app @ U @ V ) != ( nil ) ) | ( ~( ssList @ V ) ) | 
% 0.55/1.17     ( ~( ssList @ U ) ) | ( ( nil ) = ( U ) ))).
% 0.55/1.17  thf(zip_derived_cl117, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i]:
% 0.55/1.17         (((app @ X0 @ X1) != (nil))
% 0.55/1.17          | ~ (ssList @ X1)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ((nil) = (X0)))),
% 0.55/1.17      inference('cnf', [status(esa)], [clause118])).
% 0.55/1.17  thf(zip_derived_cl1466, plain,
% 0.55/1.17      ((((sk2) != (nil))
% 0.55/1.17        | ~ (ssList @ sk5)
% 0.55/1.17        | ~ (ssList @ sk1)
% 0.55/1.17        | ((nil) = (sk1)))),
% 0.55/1.17      inference('s_sup-', [status(thm)],
% 0.55/1.17                [zip_derived_cl1435, zip_derived_cl117])).
% 0.55/1.17  thf(zip_derived_cl191, plain, ( (ssList @ sk5)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.55/1.17  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.55/1.17  thf(zip_derived_cl1471, plain, ((((sk2) != (nil)) | ((nil) = (sk1)))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl1466, zip_derived_cl191, zip_derived_cl185])).
% 0.55/1.17  thf(co1_14, conjecture, (~( ( neq @ sk2 @ nil ) | ( ( nil ) != ( sk1 ) ) ))).
% 0.55/1.17  thf(zf_stmt_7, negated_conjecture,
% 0.55/1.17    (( neq @ sk2 @ nil ) | ( ( nil ) != ( sk1 ) )),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_14])).
% 0.55/1.17  thf(zip_derived_cl198, plain, (( (neq @ sk2 @ nil) | ((nil) != (sk1)))),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.55/1.17  thf(clause115, axiom,
% 0.55/1.17    (( ( U ) != ( V ) ) | ( ~( neq @ U @ V ) ) | ( ~( ssList @ V ) ) | 
% 0.55/1.17     ( ~( ssList @ U ) ))).
% 0.55/1.17  thf(zip_derived_cl114, plain,
% 0.55/1.17      (![X0 : $i, X1 : $i]:
% 0.55/1.17         (((X1) != (X0))
% 0.55/1.17          | ~ (neq @ X1 @ X0)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ~ (ssList @ X1))),
% 0.55/1.17      inference('cnf', [status(esa)], [clause115])).
% 0.55/1.17  thf(zip_derived_cl1426, plain,
% 0.55/1.17      ((((nil) != (sk1))
% 0.55/1.17        | ~ (ssList @ sk2)
% 0.55/1.17        | ~ (ssList @ nil)
% 0.55/1.17        | ((sk2) != (nil)))),
% 0.55/1.17      inference('dp-resolution', [status(thm)],
% 0.55/1.17                [zip_derived_cl198, zip_derived_cl114])).
% 0.55/1.17  thf(co1_2, conjecture, (~( ssList @ sk2 ))).
% 0.55/1.17  thf(zf_stmt_8, negated_conjecture, (ssList @ sk2),
% 0.55/1.17    inference('cnf.neg', [status(esa)], [co1_2])).
% 0.55/1.17  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_8])).
% 0.55/1.17  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 0.55/1.17      inference('cnf', [status(esa)], [clause8])).
% 0.55/1.17  thf(zip_derived_cl1440, plain, ((((nil) != (sk1)) | ((sk2) != (nil)))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl1426, zip_derived_cl186, zip_derived_cl7])).
% 0.55/1.17  thf(zip_derived_cl1472, plain, (((sk2) != (nil))),
% 0.55/1.17      inference('clc', [status(thm)], [zip_derived_cl1471, zip_derived_cl1440])).
% 0.55/1.17  thf(zip_derived_cl1526, plain,
% 0.55/1.17      (![X0 : $i]:
% 0.55/1.17         (~ (segmentP @ sk1 @ X0)
% 0.55/1.17          | ~ (segmentP @ sk2 @ X0)
% 0.55/1.17          | ~ (ssList @ X0)
% 0.55/1.17          | ((X0) = (nil)))),
% 0.55/1.17      inference('simplify_reflect-', [status(thm)],
% 0.55/1.17                [zip_derived_cl1525, zip_derived_cl1472])).
% 0.55/1.17  thf(zip_derived_cl1527, plain,
% 0.55/1.17      ((~ (ssList @ sk1)
% 0.55/1.17        | ~ (segmentP @ sk2 @ sk1)
% 0.55/1.17        | ~ (ssList @ sk1)
% 0.55/1.17        | ((sk1) = (nil)))),
% 0.55/1.17      inference('s_sup-', [status(thm)], [zip_derived_cl56, zip_derived_cl1526])).
% 0.55/1.17  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.55/1.17  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.55/1.17  thf(zip_derived_cl1529, plain,
% 0.55/1.17      ((~ (segmentP @ sk2 @ sk1) | ((sk1) = (nil)))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl1527, zip_derived_cl185, zip_derived_cl185])).
% 0.55/1.17  thf(zip_derived_cl3338, plain,
% 0.55/1.17      ((((sk2) != (sk2)) | ~ (ssList @ sk2) | ((sk1) = (nil)))),
% 0.55/1.17      inference('s_sup-', [status(thm)],
% 0.55/1.17                [zip_derived_cl3304, zip_derived_cl1529])).
% 0.55/1.17  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 0.55/1.17      inference('cnf', [status(esa)], [zf_stmt_8])).
% 0.55/1.17  thf(zip_derived_cl3346, plain, ((((sk2) != (sk2)) | ((sk1) = (nil)))),
% 0.55/1.17      inference('demod', [status(thm)], [zip_derived_cl3338, zip_derived_cl186])).
% 0.55/1.17  thf(zip_derived_cl3347, plain, (((sk1) = (nil))),
% 0.55/1.17      inference('simplify', [status(thm)], [zip_derived_cl3346])).
% 0.55/1.17  thf(zip_derived_cl3350, plain, ((((nil) != (nil)) | ((nil) = (sk4)))),
% 0.55/1.17      inference('demod', [status(thm)],
% 0.55/1.17                [zip_derived_cl1434, zip_derived_cl3347])).
% 0.55/1.17  thf(zip_derived_cl3351, plain, (((nil) = (sk4))),
% 0.55/1.17      inference('simplify', [status(thm)], [zip_derived_cl3350])).
% 0.55/1.17  thf(zip_derived_cl3390, plain, (((sk2) = (nil))),
% 0.55/1.17      inference('demod', [status(thm)], [zip_derived_cl189, zip_derived_cl3351])).
% 0.55/1.17  thf(zip_derived_cl1472, plain, (((sk2) != (nil))),
% 0.55/1.17      inference('clc', [status(thm)], [zip_derived_cl1471, zip_derived_cl1440])).
% 0.55/1.17  thf(zip_derived_cl3391, plain, ($false),
% 0.55/1.17      inference('simplify_reflect-', [status(thm)],
% 0.55/1.17                [zip_derived_cl3390, zip_derived_cl1472])).
% 0.55/1.17  
% 0.55/1.17  % SZS output end Refutation
% 0.55/1.17  
% 0.55/1.17  
% 0.55/1.17  % Terminating...
% 0.55/1.25  % Runner terminated.
% 0.55/1.27  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------