TSTP Solution File: SWC169-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SWC169-1 : 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.3oOhVzdvKx true

% Computer : n020.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 21:29:37 EDT 2023

% Result   : Unsatisfiable 6.15s 1.49s
% Output   : Refutation 6.15s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SWC169-1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.3oOhVzdvKx true
% 0.13/0.35  % Computer : n020.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Mon Aug 28 14:58:14 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % 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
% 0.55/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.55/0.73  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.55/0.74  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.55/0.76  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.55/0.76  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.55/0.77  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.55/0.77  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 6.15/1.49  % Solved by fo/fo13.sh.
% 6.15/1.49  % done 779 iterations in 0.704s
% 6.15/1.49  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 6.15/1.49  % SZS output start Refutation
% 6.15/1.49  thf(nil_type, type, nil: $i).
% 6.15/1.49  thf(cons_type, type, cons: $i > $i > $i).
% 6.15/1.49  thf(sk9_type, type, sk9: $i).
% 6.15/1.49  thf(sk8_type, type, sk8: $i).
% 6.15/1.49  thf(sk6_type, type, sk6: $i).
% 6.15/1.49  thf(duplicatefreeP_type, type, duplicatefreeP: $i > $o).
% 6.15/1.49  thf(ssItem_type, type, ssItem: $i > $o).
% 6.15/1.49  thf(sk5_type, type, sk5: $i).
% 6.15/1.49  thf(sk3_type, type, sk3: $i).
% 6.15/1.49  thf(neq_type, type, neq: $i > $i > $o).
% 6.15/1.49  thf(app_type, type, app: $i > $i > $i).
% 6.15/1.49  thf(ssList_type, type, ssList: $i > $o).
% 6.15/1.49  thf(sk7_type, type, sk7: $i).
% 6.15/1.49  thf(sk1_type, type, sk1: $i).
% 6.15/1.49  thf(clause86, axiom,
% 6.15/1.49    (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( cons @ U @ V ) ))).
% 6.15/1.49  thf(zip_derived_cl85, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i]:
% 6.15/1.49         (~ (ssItem @ X0) | ~ (ssList @ X1) |  (ssList @ (cons @ X0 @ X1)))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause86])).
% 6.15/1.49  thf(clause85, axiom,
% 6.15/1.49    (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( app @ V @ U ) ))).
% 6.15/1.49  thf(zip_derived_cl84, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i]:
% 6.15/1.49         (~ (ssList @ X0) | ~ (ssList @ X1) |  (ssList @ (app @ X1 @ X0)))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause85])).
% 6.15/1.49  thf(clause120, axiom,
% 6.15/1.49    (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | 
% 6.15/1.49     ( ( app @ ( cons @ U @ nil ) @ V ) = ( cons @ U @ V ) ))).
% 6.15/1.49  thf(zip_derived_cl119, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i]:
% 6.15/1.49         (~ (ssItem @ X0)
% 6.15/1.49          | ~ (ssList @ X1)
% 6.15/1.49          | ((app @ (cons @ X0 @ nil) @ X1) = (cons @ X0 @ X1)))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause120])).
% 6.15/1.49  thf(zip_derived_cl85, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i]:
% 6.15/1.49         (~ (ssItem @ X0) | ~ (ssList @ X1) |  (ssList @ (cons @ X0 @ X1)))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause86])).
% 6.15/1.49  thf(co1_11, conjecture,
% 6.15/1.49    (( app @
% 6.15/1.49       ( app @ ( app @ sk7 @ ( cons @ sk5 @ nil ) ) @ ( cons @ sk6 @ nil ) ) @ 
% 6.15/1.49       sk8 ) !=
% 6.15/1.49     ( sk1 ))).
% 6.15/1.49  thf(zf_stmt_0, negated_conjecture,
% 6.15/1.49    (( app @
% 6.15/1.49       ( app @ ( app @ sk7 @ ( cons @ sk5 @ nil ) ) @ ( cons @ sk6 @ nil ) ) @ 
% 6.15/1.49       sk8 ) =
% 6.15/1.49     ( sk1 )),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_11])).
% 6.15/1.49  thf(zip_derived_cl195, plain,
% 6.15/1.49      (((app @ (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ (cons @ sk6 @ nil)) @ 
% 6.15/1.49         sk8) = (sk1))),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_0])).
% 6.15/1.49  thf(clause102, axiom,
% 6.15/1.49    (( ~( ssItem @ U ) ) | ( ~( ssItem @ V ) ) | ( neq @ V @ U ) | 
% 6.15/1.49     ( ( V ) = ( U ) ))).
% 6.15/1.49  thf(zip_derived_cl101, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i]:
% 6.15/1.49         (~ (ssItem @ X0) | ~ (ssItem @ X1) |  (neq @ X1 @ X0) | ((X1) = (X0)))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause102])).
% 6.15/1.49  thf(co1_12, conjecture, (neq @ sk5 @ sk6)).
% 6.15/1.49  thf(zf_stmt_1, negated_conjecture, (~( neq @ sk5 @ sk6 )),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_12])).
% 6.15/1.49  thf(zip_derived_cl196, plain, (~ (neq @ sk5 @ sk6)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_1])).
% 6.15/1.49  thf(zip_derived_cl326, plain,
% 6.15/1.49      ((((sk5) = (sk6)) | ~ (ssItem @ sk5) | ~ (ssItem @ sk6))),
% 6.15/1.49      inference('s_sup-', [status(thm)], [zip_derived_cl101, zip_derived_cl196])).
% 6.15/1.49  thf(co1_7, conjecture, (~( ssItem @ sk5 ))).
% 6.15/1.49  thf(zf_stmt_2, negated_conjecture, (ssItem @ sk5),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_7])).
% 6.15/1.49  thf(zip_derived_cl191, plain, ( (ssItem @ sk5)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_2])).
% 6.15/1.49  thf(co1_8, conjecture, (~( ssItem @ sk6 ))).
% 6.15/1.49  thf(zf_stmt_3, negated_conjecture, (ssItem @ sk6),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_8])).
% 6.15/1.49  thf(zip_derived_cl192, plain, ( (ssItem @ sk6)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_3])).
% 6.15/1.49  thf(zip_derived_cl329, plain, (((sk5) = (sk6))),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl326, zip_derived_cl191, zip_derived_cl192])).
% 6.15/1.49  thf(zip_derived_cl331, plain,
% 6.15/1.49      (((app @ (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ (cons @ sk5 @ nil)) @ 
% 6.15/1.49         sk8) = (sk1))),
% 6.15/1.49      inference('demod', [status(thm)], [zip_derived_cl195, zip_derived_cl329])).
% 6.15/1.49  thf(clause149, axiom,
% 6.15/1.49    (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( ~( ssList @ W ) ) | 
% 6.15/1.49     ( ( app @ ( app @ W @ V ) @ U ) = ( app @ W @ ( app @ V @ U ) ) ))).
% 6.15/1.49  thf(zip_derived_cl148, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.15/1.49         (~ (ssList @ X0)
% 6.15/1.49          | ~ (ssList @ X1)
% 6.15/1.49          | ~ (ssList @ X2)
% 6.15/1.49          | ((app @ (app @ X2 @ X1) @ X0) = (app @ X2 @ (app @ X1 @ X0))))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause149])).
% 6.15/1.49  thf(zip_derived_cl1528, plain,
% 6.15/1.49      ((~ (ssList @ sk8)
% 6.15/1.49        | ~ (ssList @ (cons @ sk5 @ nil))
% 6.15/1.49        | ~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49        | ((sk1)
% 6.15/1.49            = (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ 
% 6.15/1.49               (app @ (cons @ sk5 @ nil) @ sk8))))),
% 6.15/1.49      inference('s_sup+', [status(thm)], [zip_derived_cl331, zip_derived_cl148])).
% 6.15/1.49  thf(co1_10, conjecture, (~( ssList @ sk8 ))).
% 6.15/1.49  thf(zf_stmt_4, negated_conjecture, (ssList @ sk8),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_10])).
% 6.15/1.49  thf(zip_derived_cl194, plain, ( (ssList @ sk8)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_4])).
% 6.15/1.49  thf(zip_derived_cl1539, plain,
% 6.15/1.49      ((~ (ssList @ (cons @ sk5 @ nil))
% 6.15/1.49        | ~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49        | ((sk1)
% 6.15/1.49            = (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ 
% 6.15/1.49               (app @ (cons @ sk5 @ nil) @ sk8))))),
% 6.15/1.49      inference('demod', [status(thm)], [zip_derived_cl1528, zip_derived_cl194])).
% 6.15/1.49  thf(zip_derived_cl4634, plain,
% 6.15/1.49      ((~ (ssList @ nil)
% 6.15/1.49        | ~ (ssItem @ sk5)
% 6.15/1.49        | ~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49        | ((sk1)
% 6.15/1.49            = (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ 
% 6.15/1.49               (app @ (cons @ sk5 @ nil) @ sk8))))),
% 6.15/1.49      inference('s_sup-', [status(thm)], [zip_derived_cl85, zip_derived_cl1539])).
% 6.15/1.49  thf(clause8, axiom, (ssList @ nil)).
% 6.15/1.49  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 6.15/1.49      inference('cnf', [status(esa)], [clause8])).
% 6.15/1.49  thf(zip_derived_cl191, plain, ( (ssItem @ sk5)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_2])).
% 6.15/1.49  thf(zip_derived_cl4637, plain,
% 6.15/1.49      ((~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49        | ((sk1)
% 6.15/1.49            = (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ 
% 6.15/1.49               (app @ (cons @ sk5 @ nil) @ sk8))))),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl4634, zip_derived_cl7, zip_derived_cl191])).
% 6.15/1.49  thf(zip_derived_cl4681, plain,
% 6.15/1.49      ((~ (ssList @ sk8)
% 6.15/1.49        | ~ (ssItem @ sk5)
% 6.15/1.49        | ~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49        | ((sk1)
% 6.15/1.49            = (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ (cons @ sk5 @ sk8))))),
% 6.15/1.49      inference('s_sup+', [status(thm)],
% 6.15/1.49                [zip_derived_cl119, zip_derived_cl4637])).
% 6.15/1.49  thf(zip_derived_cl194, plain, ( (ssList @ sk8)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_4])).
% 6.15/1.49  thf(zip_derived_cl191, plain, ( (ssItem @ sk5)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_2])).
% 6.15/1.49  thf(zip_derived_cl4683, plain,
% 6.15/1.49      ((~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49        | ((sk1)
% 6.15/1.49            = (app @ (app @ sk7 @ (cons @ sk5 @ nil)) @ (cons @ sk5 @ sk8))))),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl4681, zip_derived_cl194, zip_derived_cl191])).
% 6.15/1.49  thf(clause179, axiom,
% 6.15/1.49    (( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ V @ X ) ) != ( Y ) ) | 
% 6.15/1.49     ( ~( ssList @ X ) ) | ( ~( ssList @ W ) ) | ( ~( ssList @ U ) ) | 
% 6.15/1.49     ( ~( ssItem @ V ) ) | ( ~( duplicatefreeP @ Y ) ) | ( ~( ssList @ Y ) ))).
% 6.15/1.49  thf(zip_derived_cl178, plain,
% 6.15/1.49      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 6.15/1.49         (((app @ (app @ X1 @ (cons @ X2 @ X3)) @ (cons @ X2 @ X4)) != (X0))
% 6.15/1.49          | ~ (ssList @ X4)
% 6.15/1.49          | ~ (ssList @ X3)
% 6.15/1.49          | ~ (ssList @ X1)
% 6.15/1.49          | ~ (ssItem @ X2)
% 6.15/1.49          | ~ (duplicatefreeP @ X0)
% 6.15/1.49          | ~ (ssList @ X0))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause179])).
% 6.15/1.49  thf(zip_derived_cl4742, plain,
% 6.15/1.49      (![X0 : $i]:
% 6.15/1.49         (~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49          | ((sk1) != (X0))
% 6.15/1.49          | ~ (ssList @ sk8)
% 6.15/1.49          | ~ (ssList @ nil)
% 6.15/1.49          | ~ (ssList @ sk7)
% 6.15/1.49          | ~ (ssItem @ sk5)
% 6.15/1.49          | ~ (duplicatefreeP @ X0)
% 6.15/1.49          | ~ (ssList @ X0))),
% 6.15/1.49      inference('s_sup-', [status(thm)],
% 6.15/1.49                [zip_derived_cl4683, zip_derived_cl178])).
% 6.15/1.49  thf(zip_derived_cl194, plain, ( (ssList @ sk8)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_4])).
% 6.15/1.49  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 6.15/1.49      inference('cnf', [status(esa)], [clause8])).
% 6.15/1.49  thf(co1_9, conjecture, (~( ssList @ sk7 ))).
% 6.15/1.49  thf(zf_stmt_5, negated_conjecture, (ssList @ sk7),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_9])).
% 6.15/1.49  thf(zip_derived_cl193, plain, ( (ssList @ sk7)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_5])).
% 6.15/1.49  thf(zip_derived_cl191, plain, ( (ssItem @ sk5)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_2])).
% 6.15/1.49  thf(zip_derived_cl4788, plain,
% 6.15/1.49      (![X0 : $i]:
% 6.15/1.49         (~ (ssList @ (app @ sk7 @ (cons @ sk5 @ nil)))
% 6.15/1.49          | ((sk1) != (X0))
% 6.15/1.49          | ~ (duplicatefreeP @ X0)
% 6.15/1.49          | ~ (ssList @ X0))),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl4742, zip_derived_cl194, zip_derived_cl7, 
% 6.15/1.49                 zip_derived_cl193, zip_derived_cl191])).
% 6.15/1.49  thf(zip_derived_cl4809, plain,
% 6.15/1.49      (![X0 : $i]:
% 6.15/1.49         (~ (ssList @ sk7)
% 6.15/1.49          | ~ (ssList @ (cons @ sk5 @ nil))
% 6.15/1.49          | ((sk1) != (X0))
% 6.15/1.49          | ~ (duplicatefreeP @ X0)
% 6.15/1.49          | ~ (ssList @ X0))),
% 6.15/1.49      inference('s_sup-', [status(thm)], [zip_derived_cl84, zip_derived_cl4788])).
% 6.15/1.49  thf(zip_derived_cl193, plain, ( (ssList @ sk7)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_5])).
% 6.15/1.49  thf(zip_derived_cl4810, plain,
% 6.15/1.49      (![X0 : $i]:
% 6.15/1.49         (~ (ssList @ (cons @ sk5 @ nil))
% 6.15/1.49          | ((sk1) != (X0))
% 6.15/1.49          | ~ (duplicatefreeP @ X0)
% 6.15/1.49          | ~ (ssList @ X0))),
% 6.15/1.49      inference('demod', [status(thm)], [zip_derived_cl4809, zip_derived_cl193])).
% 6.15/1.49  thf(zip_derived_cl4811, plain,
% 6.15/1.49      (![X0 : $i]:
% 6.15/1.49         (~ (ssList @ nil)
% 6.15/1.49          | ~ (ssItem @ sk5)
% 6.15/1.49          | ((sk1) != (X0))
% 6.15/1.49          | ~ (duplicatefreeP @ X0)
% 6.15/1.49          | ~ (ssList @ X0))),
% 6.15/1.49      inference('s_sup-', [status(thm)], [zip_derived_cl85, zip_derived_cl4810])).
% 6.15/1.49  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 6.15/1.49      inference('cnf', [status(esa)], [clause8])).
% 6.15/1.49  thf(zip_derived_cl191, plain, ( (ssItem @ sk5)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_2])).
% 6.15/1.49  thf(zip_derived_cl4812, plain,
% 6.15/1.49      (![X0 : $i]:
% 6.15/1.49         (((sk1) != (X0)) | ~ (duplicatefreeP @ X0) | ~ (ssList @ X0))),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl4811, zip_derived_cl7, zip_derived_cl191])).
% 6.15/1.49  thf(zip_derived_cl4813, plain,
% 6.15/1.49      ((~ (ssList @ sk1) | ~ (duplicatefreeP @ sk1))),
% 6.15/1.49      inference('eq_res', [status(thm)], [zip_derived_cl4812])).
% 6.15/1.49  thf(co1_1, conjecture, (~( ssList @ sk1 ))).
% 6.15/1.49  thf(zf_stmt_6, negated_conjecture, (ssList @ sk1),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_1])).
% 6.15/1.49  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_6])).
% 6.15/1.49  thf(zip_derived_cl4814, plain, (~ (duplicatefreeP @ sk1)),
% 6.15/1.49      inference('demod', [status(thm)], [zip_derived_cl4813, zip_derived_cl185])).
% 6.15/1.49  thf(co1_17, conjecture,
% 6.15/1.49    (~( ( ( nil ) = ( sk3 ) ) | ( ( cons @ sk9 @ nil ) = ( sk3 ) ) ))).
% 6.15/1.49  thf(zf_stmt_7, negated_conjecture,
% 6.15/1.49    (( ( nil ) = ( sk3 ) ) | ( ( cons @ sk9 @ nil ) = ( sk3 ) )),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_17])).
% 6.15/1.49  thf(zip_derived_cl201, plain,
% 6.15/1.49      ((((nil) = (sk3)) | ((cons @ sk9 @ nil) = (sk3)))),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_7])).
% 6.15/1.49  thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 6.15/1.49  thf(zf_stmt_8, negated_conjecture, (( sk1 ) = ( sk3 )),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_6])).
% 6.15/1.49  thf(zip_derived_cl190, plain, (((sk1) = (sk3))),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_8])).
% 6.15/1.49  thf(zip_derived_cl190, plain, (((sk1) = (sk3))),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_8])).
% 6.15/1.49  thf(zip_derived_cl204, plain,
% 6.15/1.49      ((((nil) = (sk1)) | ((cons @ sk9 @ nil) = (sk1)))),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl201, zip_derived_cl190, zip_derived_cl190])).
% 6.15/1.49  thf(clause65, axiom,
% 6.15/1.49    (( ~( ssItem @ U ) ) | ( duplicatefreeP @ ( cons @ U @ nil ) ))).
% 6.15/1.49  thf(zip_derived_cl64, plain,
% 6.15/1.49      (![X0 : $i]: (~ (ssItem @ X0) |  (duplicatefreeP @ (cons @ X0 @ nil)))),
% 6.15/1.49      inference('cnf', [status(esa)], [clause65])).
% 6.15/1.49  thf(zip_derived_cl247, plain,
% 6.15/1.49      ((((nil) = (sk1)) | ~ (ssItem @ sk9) |  (duplicatefreeP @ sk1))),
% 6.15/1.49      inference('s_sup+', [status(thm)], [zip_derived_cl204, zip_derived_cl64])).
% 6.15/1.49  thf(co1_14, conjecture, (~( ( ( nil ) = ( sk3 ) ) | ( ssItem @ sk9 ) ))).
% 6.15/1.49  thf(zf_stmt_9, negated_conjecture,
% 6.15/1.49    (( ( nil ) = ( sk3 ) ) | ( ssItem @ sk9 )),
% 6.15/1.49    inference('cnf.neg', [status(esa)], [co1_14])).
% 6.15/1.49  thf(zip_derived_cl198, plain, ((((nil) = (sk3)) |  (ssItem @ sk9))),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_9])).
% 6.15/1.49  thf(zip_derived_cl190, plain, (((sk1) = (sk3))),
% 6.15/1.49      inference('cnf', [status(esa)], [zf_stmt_8])).
% 6.15/1.49  thf(zip_derived_cl208, plain, ((((nil) = (sk1)) |  (ssItem @ sk9))),
% 6.15/1.49      inference('demod', [status(thm)], [zip_derived_cl198, zip_derived_cl190])).
% 6.15/1.49  thf(zip_derived_cl254, plain, (( (duplicatefreeP @ sk1) | ((nil) = (sk1)))),
% 6.15/1.49      inference('clc', [status(thm)], [zip_derived_cl247, zip_derived_cl208])).
% 6.15/1.49  thf(zip_derived_cl4814, plain, (~ (duplicatefreeP @ sk1)),
% 6.15/1.49      inference('demod', [status(thm)], [zip_derived_cl4813, zip_derived_cl185])).
% 6.15/1.49  thf(zip_derived_cl4817, plain, (((nil) = (sk1))),
% 6.15/1.49      inference('s_sup-', [status(thm)],
% 6.15/1.49                [zip_derived_cl254, zip_derived_cl4814])).
% 6.15/1.49  thf(clause2, axiom, (duplicatefreeP @ nil)).
% 6.15/1.49  thf(zip_derived_cl1, plain, ( (duplicatefreeP @ nil)),
% 6.15/1.49      inference('cnf', [status(esa)], [clause2])).
% 6.15/1.49  thf(zip_derived_cl4887, plain, ($false),
% 6.15/1.49      inference('demod', [status(thm)],
% 6.15/1.49                [zip_derived_cl4814, zip_derived_cl4817, zip_derived_cl1])).
% 6.15/1.49  
% 6.15/1.49  % SZS output end Refutation
% 6.15/1.49  
% 6.15/1.49  
% 6.15/1.49  % Terminating...
% 6.58/1.56  % Runner terminated.
% 6.58/1.58  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------