TSTP Solution File: PUZ016-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : PUZ016-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.tKaXClrrBN true

% Computer : n022.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 13:30:37 EDT 2023

% Result   : Unsatisfiable 1.50s 0.87s
% Output   : Refutation 1.50s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : PUZ016-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.tKaXClrrBN true
% 0.15/0.36  % Computer : n022.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 300
% 0.15/0.36  % DateTime : Sat Aug 26 22:14:40 EDT 2023
% 0.15/0.36  % CPUTime  : 
% 0.15/0.36  % Running portfolio for 300 s
% 0.15/0.36  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.36  % Number of cores: 8
% 0.15/0.36  % Python version: Python 3.6.8
% 0.15/0.36  % Running in FO mode
% 0.22/0.65  % Total configuration time : 435
% 0.22/0.65  % Estimated wc time : 1092
% 0.22/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.22/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.22/0.76  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.22/0.76  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.22/0.77  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.22/0.77  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.22/0.77  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.22/0.77  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 1.50/0.87  % Solved by fo/fo5.sh.
% 1.50/0.87  % done 206 iterations in 0.072s
% 1.50/0.87  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 1.50/0.87  % SZS output start Refutation
% 1.50/0.87  thf(n7_type, type, n7: $i).
% 1.50/0.87  thf(removed_type, type, removed: $i).
% 1.50/0.87  thf(n1_type, type, n1: $i).
% 1.50/0.87  thf(successor_type, type, successor: $i > $i).
% 1.50/0.87  thf(complement_type, type, complement: $i > $i).
% 1.50/0.87  thf(squares_type, type, squares: $i > $i > $i > $i > $i > $i > $i > $i > $i).
% 1.50/0.87  thf(n8_type, type, n8: $i).
% 1.50/0.87  thf(row_type, type, row: $i > $i).
% 1.50/0.87  thf(n2_type, type, n2: $i).
% 1.50/0.87  thf(n4_type, type, n4: $i).
% 1.50/0.87  thf(achievable_type, type, achievable: $i > $i > $o).
% 1.50/0.87  thf(covered_type, type, covered: $i).
% 1.50/0.87  thf(n5_type, type, n5: $i).
% 1.50/0.87  thf(not_covered_type, type, not_covered: $i).
% 1.50/0.87  thf(n6_type, type, n6: $i).
% 1.50/0.87  thf(n3_type, type, n3: $i).
% 1.50/0.87  thf(first_row_initially, axiom,
% 1.50/0.87    (achievable @
% 1.50/0.87     ( row @ n1 ) @ 
% 1.50/0.87     ( squares @
% 1.50/0.87       not_covered @ removed @ removed @ not_covered @ not_covered @ 
% 1.50/0.87       not_covered @ not_covered @ not_covered ))).
% 1.50/0.87  thf(zip_derived_cl19, plain,
% 1.50/0.87      ( (achievable @ (row @ n1) @ 
% 1.50/0.87         (squares @ not_covered @ removed @ removed @ not_covered @ 
% 1.50/0.87          not_covered @ not_covered @ not_covered @ not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [first_row_initially])).
% 1.50/0.87  thf(place_vertical_pieces, axiom,
% 1.50/0.87    (( ~( achievable @
% 1.50/0.87          ( row @ X ) @ ( squares @ Y1 @ Y2 @ Y3 @ Y4 @ Y5 @ Y6 @ Y7 @ Y8 ) ) ) | 
% 1.50/0.87     ( achievable @
% 1.50/0.87       ( row @ ( successor @ X ) ) @ 
% 1.50/0.87       ( squares @
% 1.50/0.87         ( complement @ Y1 ) @ ( complement @ Y2 ) @ ( complement @ Y3 ) @ 
% 1.50/0.87         ( complement @ Y4 ) @ ( complement @ Y5 ) @ ( complement @ Y6 ) @ 
% 1.50/0.87         ( complement @ Y7 ) @ ( complement @ Y8 ) ) ))).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl25, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n1)) @ 
% 1.50/0.87         (squares @ (complement @ not_covered) @ (complement @ removed) @ 
% 1.50/0.87          (complement @ removed) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl19, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_1_is_2, axiom, (( successor @ n1 ) = ( n2 ))).
% 1.50/0.87  thf(zip_derived_cl8, plain, (((successor @ n1) = (n2))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_1_is_2])).
% 1.50/0.87  thf(complement_of_not_covered_is_covered, axiom,
% 1.50/0.87    (( complement @ not_covered ) = ( covered ))).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(complement_of_removed_is_not_covered, axiom,
% 1.50/0.87    (( complement @ removed ) = ( not_covered ))).
% 1.50/0.87  thf(zip_derived_cl18, plain, (((complement @ removed) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_removed_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl18, plain, (((complement @ removed) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_removed_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl26, plain,
% 1.50/0.87      ( (achievable @ (row @ n2) @ 
% 1.50/0.87         (squares @ covered @ not_covered @ not_covered @ covered @ covered @ 
% 1.50/0.87          covered @ covered @ covered))),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl25, zip_derived_cl8, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl18, zip_derived_cl18, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17])).
% 1.50/0.87  thf(cover_columns_2_and_3, axiom,
% 1.50/0.87    (( ~( achievable @
% 1.50/0.87          ( row @ X ) @ 
% 1.50/0.87          ( squares @ Y1 @ not_covered @ not_covered @ Y4 @ Y5 @ Y6 @ Y7 @ Y8 ) ) ) | 
% 1.50/0.87     ( achievable @
% 1.50/0.87       ( row @ X ) @ 
% 1.50/0.87       ( squares @ Y1 @ covered @ covered @ Y4 @ Y5 @ Y6 @ Y7 @ Y8 ) ))).
% 1.50/0.87  thf(zip_derived_cl1, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ not_covered @ not_covered @ X2 @ X3 @ X4 @ X5 @ X6))
% 1.50/0.87          |  (achievable @ (row @ X0) @ 
% 1.50/0.87              (squares @ X1 @ covered @ covered @ X2 @ X3 @ X4 @ X5 @ X6)))),
% 1.50/0.87      inference('cnf', [status(esa)], [cover_columns_2_and_3])).
% 1.50/0.87  thf(zip_derived_cl27, plain,
% 1.50/0.87      ( (achievable @ (row @ n2) @ 
% 1.50/0.87         (squares @ covered @ covered @ covered @ covered @ covered @ 
% 1.50/0.87          covered @ covered @ covered))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl26, zip_derived_cl1])).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl30, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n2)) @ 
% 1.50/0.87         (squares @ (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl27, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_2_is_3, axiom, (( successor @ n2 ) = ( n3 ))).
% 1.50/0.87  thf(zip_derived_cl9, plain, (((successor @ n2) = (n3))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_2_is_3])).
% 1.50/0.87  thf(complement_of_covered_is_not_covered, axiom,
% 1.50/0.87    (( complement @ covered ) = ( not_covered ))).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl31, plain,
% 1.50/0.87      ( (achievable @ (row @ n3) @ 
% 1.50/0.87         (squares @ not_covered @ not_covered @ not_covered @ not_covered @ 
% 1.50/0.87          not_covered @ not_covered @ not_covered @ not_covered))),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl30, zip_derived_cl9, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16, zip_derived_cl16, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16, zip_derived_cl16, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16])).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl59, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n3)) @ 
% 1.50/0.87         (squares @ (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl31, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_3_is_4, axiom, (( successor @ n3 ) = ( n4 ))).
% 1.50/0.87  thf(zip_derived_cl10, plain, (((successor @ n3) = (n4))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_3_is_4])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl60, plain,
% 1.50/0.87      ( (achievable @ (row @ n4) @ 
% 1.50/0.87         (squares @ covered @ covered @ covered @ covered @ covered @ 
% 1.50/0.87          covered @ covered @ covered))),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl59, zip_derived_cl10, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17])).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl61, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n4)) @ 
% 1.50/0.87         (squares @ (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl60, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_4_is_5, axiom, (( successor @ n4 ) = ( n5 ))).
% 1.50/0.87  thf(zip_derived_cl11, plain, (((successor @ n4) = (n5))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_4_is_5])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl62, plain,
% 1.50/0.87      ( (achievable @ (row @ n5) @ 
% 1.50/0.87         (squares @ not_covered @ not_covered @ not_covered @ not_covered @ 
% 1.50/0.87          not_covered @ not_covered @ not_covered @ not_covered))),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl61, zip_derived_cl11, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16, zip_derived_cl16, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16, zip_derived_cl16, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16])).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl182, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n5)) @ 
% 1.50/0.87         (squares @ (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl62, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_5_is_6, axiom, (( successor @ n5 ) = ( n6 ))).
% 1.50/0.87  thf(zip_derived_cl12, plain, (((successor @ n5) = (n6))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_5_is_6])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl183, plain,
% 1.50/0.87      ( (achievable @ (row @ n6) @ 
% 1.50/0.87         (squares @ covered @ covered @ covered @ covered @ covered @ 
% 1.50/0.87          covered @ covered @ covered))),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl182, zip_derived_cl12, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17])).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl184, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n6)) @ 
% 1.50/0.87         (squares @ (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered) @ 
% 1.50/0.87          (complement @ covered) @ (complement @ covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl183, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_6_is_7, axiom, (( successor @ n6 ) = ( n7 ))).
% 1.50/0.87  thf(zip_derived_cl13, plain, (((successor @ n6) = (n7))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_6_is_7])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl16, plain, (((complement @ covered) = (not_covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_covered_is_not_covered])).
% 1.50/0.87  thf(zip_derived_cl185, plain,
% 1.50/0.87      ( (achievable @ (row @ n7) @ 
% 1.50/0.87         (squares @ not_covered @ not_covered @ not_covered @ not_covered @ 
% 1.50/0.87          not_covered @ not_covered @ not_covered @ not_covered))),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl184, zip_derived_cl13, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16, zip_derived_cl16, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16, zip_derived_cl16, zip_derived_cl16, 
% 1.50/0.87                 zip_derived_cl16])).
% 1.50/0.87  thf(zip_derived_cl7, plain,
% 1.50/0.87      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 1.50/0.87         X7 : $i, X8 : $i]:
% 1.50/0.87         (~ (achievable @ (row @ X0) @ 
% 1.50/0.87             (squares @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8))
% 1.50/0.87          |  (achievable @ (row @ (successor @ X0)) @ 
% 1.50/0.87              (squares @ (complement @ X1) @ (complement @ X2) @ 
% 1.50/0.87               (complement @ X3) @ (complement @ X4) @ (complement @ X5) @ 
% 1.50/0.87               (complement @ X6) @ (complement @ X7) @ (complement @ X8))))),
% 1.50/0.87      inference('cnf', [status(esa)], [place_vertical_pieces])).
% 1.50/0.87  thf(zip_derived_cl411, plain,
% 1.50/0.87      ( (achievable @ (row @ (successor @ n7)) @ 
% 1.50/0.87         (squares @ (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered) @ 
% 1.50/0.87          (complement @ not_covered) @ (complement @ not_covered)))),
% 1.50/0.87      inference('sup-', [status(thm)], [zip_derived_cl185, zip_derived_cl7])).
% 1.50/0.87  thf(successor_of_7_is_8, axiom, (( successor @ n7 ) = ( n8 ))).
% 1.50/0.87  thf(zip_derived_cl14, plain, (((successor @ n7) = (n8))),
% 1.50/0.87      inference('cnf', [status(esa)], [successor_of_7_is_8])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(zip_derived_cl17, plain, (((complement @ not_covered) = (covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [complement_of_not_covered_is_covered])).
% 1.50/0.87  thf(prove_row_8_can_be_covered, conjecture,
% 1.50/0.87    (achievable @
% 1.50/0.87     ( row @ n8 ) @ 
% 1.50/0.87     ( squares @
% 1.50/0.87       covered @ covered @ covered @ covered @ covered @ covered @ covered @ 
% 1.50/0.87       covered ))).
% 1.50/0.87  thf(zf_stmt_0, negated_conjecture,
% 1.50/0.87    (~( achievable @
% 1.50/0.87        ( row @ n8 ) @ 
% 1.50/0.87        ( squares @
% 1.50/0.87          covered @ covered @ covered @ covered @ covered @ covered @ 
% 1.50/0.87          covered @ covered ) )),
% 1.50/0.87    inference('cnf.neg', [status(esa)], [prove_row_8_can_be_covered])).
% 1.50/0.87  thf(zip_derived_cl20, plain,
% 1.50/0.87      (~ (achievable @ (row @ n8) @ 
% 1.50/0.87          (squares @ covered @ covered @ covered @ covered @ covered @ 
% 1.50/0.87           covered @ covered @ covered))),
% 1.50/0.87      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.50/0.87  thf(zip_derived_cl412, plain, ($false),
% 1.50/0.87      inference('demod', [status(thm)],
% 1.50/0.87                [zip_derived_cl411, zip_derived_cl14, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl17, zip_derived_cl17, 
% 1.50/0.87                 zip_derived_cl17, zip_derived_cl20])).
% 1.50/0.87  
% 1.50/0.87  % SZS output end Refutation
% 1.50/0.87  
% 1.50/0.87  
% 1.50/0.87  % Terminating...
% 1.67/0.97  % Runner terminated.
% 1.67/0.97  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------