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Zipperpin---2.1.9999.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GEO218+3 : TPTP v9.2.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.342kEayZZg true

% Computer : n002.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 04:34:22 PM UTC 2025

% Result   : Theorem 0.52s 0.81s
% Output   : Refutation 0.52s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : GEO218+3 : TPTP v9.2.0. Released v4.0.0.
% 0.04/0.15  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.342kEayZZg true
% 0.13/0.36  % Computer : n002.cluster.edu
% 0.13/0.36  % Model    : x86_64 x86_64
% 0.13/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.36  % Memory   : 8042.1875MB
% 0.13/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.36  % CPULimit : 300
% 0.13/0.36  % WCLimit  : 300
% 0.13/0.36  % DateTime : Wed Oct  1 17:40:53 EDT 2025
% 0.13/0.36  % CPUTime  : 
% 0.13/0.36  % Running portfolio for 300 s
% 0.13/0.36  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.37  % Number of cores: 8
% 0.13/0.37  % Python version: Python 3.6.8
% 0.21/0.37  % Running in FO mode
% 0.44/0.61  % Total configuration time : 435
% 0.44/0.61  % Estimated wc time : 1092
% 0.44/0.61  % Estimated cpu time (7 cpus) : 156.0
% 0.50/0.70  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.50/0.72  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.50/0.73  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.50/0.73  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.50/0.73  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.51/0.74  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.51/0.74  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.52/0.77  % /export/starexec/sandbox/solver/bin/fo/fo1_lcnf.sh running for 50s
% 0.52/0.81  % Solved by fo/fo6_bce.sh.
% 0.52/0.81  % BCE start: 51
% 0.52/0.81  % BCE eliminated: 0
% 0.52/0.81  % PE start: 51
% 0.52/0.81  logic: neq
% 0.52/0.81  % PE eliminated: 12
% 0.52/0.81  % done 101 iterations in 0.091s
% 0.52/0.81  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.52/0.81  % SZS output start Refutation
% 0.52/0.81  thf(zip_tseitin_1_type, type, zip_tseitin_1: $i > $i > $o).
% 0.52/0.81  thf(parallel_lines_type, type, parallel_lines: $i > $i > $o).
% 0.52/0.81  thf(zip_tseitin_3_type, type, zip_tseitin_3: $i > $i > $o).
% 0.52/0.81  thf(zip_tseitin_2_type, type, zip_tseitin_2: $i > $i > $o).
% 0.52/0.81  thf(zip_tseitin_0_type, type, zip_tseitin_0: $i > $i > $o).
% 0.52/0.81  thf(orthogonal_lines_type, type, orthogonal_lines: $i > $i > $o).
% 0.52/0.81  thf(unorthogonal_lines_type, type, unorthogonal_lines: $i > $i > $o).
% 0.52/0.81  thf(convergent_lines_type, type, convergent_lines: $i > $i > $o).
% 0.52/0.81  thf(sk__1_type, type, sk__1: $i).
% 0.52/0.81  thf(sk__type, type, sk_: $i).
% 0.52/0.81  thf(sk__2_type, type, sk__2: $i).
% 0.52/0.81  thf(con, conjecture,
% 0.52/0.81    (![L:$i,M:$i,N:$i]:
% 0.52/0.81     ( ( ( parallel_lines @ L @ M ) & ( orthogonal_lines @ L @ N ) ) =>
% 0.52/0.81       ( orthogonal_lines @ M @ N ) ))).
% 0.52/0.81  thf(zf_stmt_0, negated_conjecture,
% 0.52/0.81    (~( ![L:$i,M:$i,N:$i]:
% 0.52/0.81        ( ( ( parallel_lines @ L @ M ) & ( orthogonal_lines @ L @ N ) ) =>
% 0.52/0.81          ( orthogonal_lines @ M @ N ) ) )),
% 0.52/0.81    inference('cnf.neg', [status(esa)], [con])).
% 0.52/0.81  thf(zip_derived_cl50, plain, ( (parallel_lines @ sk_ @ sk__1)),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.52/0.81  thf(a3, axiom,
% 0.52/0.81    (![X:$i,Y:$i]:
% 0.52/0.81     ( ( parallel_lines @ X @ Y ) <=> ( ~( convergent_lines @ X @ Y ) ) ))).
% 0.52/0.81  thf(zip_derived_cl42, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         (~ (convergent_lines @ X0 @ X1) | ~ (parallel_lines @ X0 @ X1))),
% 0.52/0.81      inference('cnf', [status(esa)], [a3])).
% 0.52/0.81  thf(zip_derived_cl60, plain, (~ (convergent_lines @ sk_ @ sk__1)),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl50, zip_derived_cl42])).
% 0.52/0.81  thf(cotno1, axiom,
% 0.52/0.81    (![L:$i,M:$i,N:$i]:
% 0.52/0.81     ( ( ( ( ~( unorthogonal_lines @ L @ N ) ) | 
% 0.52/0.81           ( ~( convergent_lines @ L @ N ) ) ) & 
% 0.52/0.81         ( ( ~( unorthogonal_lines @ L @ M ) ) | 
% 0.52/0.81           ( ~( convergent_lines @ L @ M ) ) ) ) =>
% 0.52/0.81       ( ( ~( unorthogonal_lines @ M @ N ) ) | 
% 0.52/0.81         ( ~( convergent_lines @ M @ N ) ) ) ))).
% 0.52/0.81  thf(zf_stmt_1, axiom,
% 0.52/0.81    (![M:$i,L:$i]:
% 0.52/0.81     ( ( ( ~( convergent_lines @ L @ M ) ) | 
% 0.52/0.81         ( ~( unorthogonal_lines @ L @ M ) ) ) =>
% 0.52/0.81       ( zip_tseitin_3 @ M @ L ) ))).
% 0.52/0.81  thf(zip_derived_cl30, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (zip_tseitin_3 @ X0 @ X1) |  (convergent_lines @ X1 @ X0))),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.52/0.81  thf(occu1, axiom,
% 0.52/0.81    (![L:$i,M:$i]:
% 0.52/0.81     ( ( unorthogonal_lines @ L @ M ) | ( convergent_lines @ L @ M ) ))).
% 0.52/0.81  thf(zip_derived_cl18, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (unorthogonal_lines @ X0 @ X1) |  (convergent_lines @ X0 @ X1))),
% 0.52/0.81      inference('cnf', [status(esa)], [occu1])).
% 0.52/0.81  thf(zip_derived_cl49, plain, ( (orthogonal_lines @ sk_ @ sk__2)),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.52/0.81  thf(a5, axiom,
% 0.52/0.81    (![X:$i,Y:$i]:
% 0.52/0.81     ( ( orthogonal_lines @ X @ Y ) <=> ( ~( unorthogonal_lines @ X @ Y ) ) ))).
% 0.52/0.81  thf(zip_derived_cl46, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         (~ (unorthogonal_lines @ X0 @ X1) | ~ (orthogonal_lines @ X0 @ X1))),
% 0.52/0.81      inference('cnf', [status(esa)], [a5])).
% 0.52/0.81  thf(zip_derived_cl67, plain, (~ (unorthogonal_lines @ sk_ @ sk__2)),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl49, zip_derived_cl46])).
% 0.52/0.81  thf(zip_derived_cl80, plain, ( (convergent_lines @ sk_ @ sk__2)),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl18, zip_derived_cl67])).
% 0.52/0.81  thf(ax6, axiom,
% 0.52/0.81    (![X:$i,Y:$i,Z:$i]:
% 0.52/0.81     ( ( convergent_lines @ X @ Y ) =>
% 0.52/0.81       ( ( convergent_lines @ X @ Z ) | ( convergent_lines @ Y @ Z ) ) ))).
% 0.52/0.81  thf(zip_derived_cl5, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.81         (~ (convergent_lines @ X0 @ X1)
% 0.52/0.81          |  (convergent_lines @ X0 @ X2)
% 0.52/0.81          |  (convergent_lines @ X1 @ X2))),
% 0.52/0.81      inference('cnf', [status(esa)], [ax6])).
% 0.52/0.81  thf(zip_derived_cl84, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (convergent_lines @ sk_ @ X0) |  (convergent_lines @ sk__2 @ X0))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl80, zip_derived_cl5])).
% 0.52/0.81  thf(zip_derived_cl5, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.81         (~ (convergent_lines @ X0 @ X1)
% 0.52/0.81          |  (convergent_lines @ X0 @ X2)
% 0.52/0.81          |  (convergent_lines @ X1 @ X2))),
% 0.52/0.81      inference('cnf', [status(esa)], [ax6])).
% 0.52/0.81  thf(zip_derived_cl90, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (convergent_lines @ sk_ @ X0)
% 0.52/0.81          |  (convergent_lines @ sk__2 @ X1)
% 0.52/0.81          |  (convergent_lines @ X0 @ X1))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl84, zip_derived_cl5])).
% 0.52/0.81  thf(apart3, axiom, (![X:$i]: ( ~( convergent_lines @ X @ X ) ))).
% 0.52/0.81  thf(zip_derived_cl2, plain, (![X0 : $i]: ~ (convergent_lines @ X0 @ X0)),
% 0.52/0.81      inference('cnf', [status(esa)], [apart3])).
% 0.52/0.81  thf(zip_derived_cl178, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (convergent_lines @ X0 @ sk__2) |  (convergent_lines @ sk_ @ X0))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl90, zip_derived_cl2])).
% 0.52/0.81  thf(zip_derived_cl47, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (orthogonal_lines @ X0 @ X1) |  (unorthogonal_lines @ X0 @ X1))),
% 0.52/0.81      inference('cnf', [status(esa)], [a5])).
% 0.52/0.81  thf(zip_derived_cl48, plain, (~ (orthogonal_lines @ sk__1 @ sk__2)),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.52/0.81  thf(zip_derived_cl66, plain, ( (unorthogonal_lines @ sk__1 @ sk__2)),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl47, zip_derived_cl48])).
% 0.52/0.81  thf(oac1, axiom,
% 0.52/0.81    (![L:$i,M:$i,N:$i]:
% 0.52/0.81     ( ( ( unorthogonal_lines @ L @ M ) & ( convergent_lines @ L @ M ) ) =>
% 0.52/0.81       ( ( ( unorthogonal_lines @ M @ N ) & ( convergent_lines @ M @ N ) ) | 
% 0.52/0.81         ( ( unorthogonal_lines @ L @ N ) & ( convergent_lines @ L @ N ) ) ) ))).
% 0.52/0.81  thf(zf_stmt_2, type, zip_tseitin_1 : $i > $i > $o).
% 0.52/0.81  thf(zf_stmt_3, axiom,
% 0.52/0.81    (![N:$i,L:$i]:
% 0.52/0.81     ( ( zip_tseitin_1 @ N @ L ) =>
% 0.52/0.81       ( ( convergent_lines @ L @ N ) & ( unorthogonal_lines @ L @ N ) ) ))).
% 0.52/0.81  thf(zf_stmt_4, type, zip_tseitin_0 : $i > $i > $o).
% 0.52/0.81  thf(zf_stmt_5, axiom,
% 0.52/0.81    (![N:$i,M:$i]:
% 0.52/0.81     ( ( zip_tseitin_0 @ N @ M ) =>
% 0.52/0.81       ( ( convergent_lines @ M @ N ) & ( unorthogonal_lines @ M @ N ) ) ))).
% 0.52/0.81  thf(zf_stmt_6, axiom,
% 0.52/0.81    (![L:$i,M:$i,N:$i]:
% 0.52/0.81     ( ( ( convergent_lines @ L @ M ) & ( unorthogonal_lines @ L @ M ) ) =>
% 0.52/0.81       ( ( zip_tseitin_1 @ N @ L ) | ( zip_tseitin_0 @ N @ M ) ) ))).
% 0.52/0.81  thf(zip_derived_cl23, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.81         (~ (unorthogonal_lines @ X0 @ X1)
% 0.52/0.81          | ~ (convergent_lines @ X0 @ X1)
% 0.52/0.81          |  (zip_tseitin_1 @ X2 @ X0)
% 0.52/0.81          |  (zip_tseitin_0 @ X2 @ X1))),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_6])).
% 0.52/0.81  thf(zip_derived_cl19, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (convergent_lines @ X0 @ X1) | ~ (zip_tseitin_0 @ X1 @ X0))),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.52/0.81  thf(zip_derived_cl61, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.81         ( (zip_tseitin_1 @ X0 @ X2)
% 0.52/0.81          | ~ (convergent_lines @ X2 @ X1)
% 0.52/0.81          | ~ (unorthogonal_lines @ X2 @ X1)
% 0.52/0.81          |  (convergent_lines @ X1 @ X0))),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl23, zip_derived_cl19])).
% 0.52/0.81  thf(zip_derived_cl130, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (zip_tseitin_1 @ X0 @ sk__1)
% 0.52/0.81          | ~ (convergent_lines @ sk__1 @ sk__2)
% 0.52/0.81          |  (convergent_lines @ sk__2 @ X0))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl66, zip_derived_cl61])).
% 0.52/0.81  thf(zip_derived_cl204, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (convergent_lines @ sk_ @ sk__1)
% 0.52/0.81          |  (zip_tseitin_1 @ X0 @ sk__1)
% 0.52/0.81          |  (convergent_lines @ sk__2 @ X0))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl178, zip_derived_cl130])).
% 0.52/0.81  thf(zip_derived_cl60, plain, (~ (convergent_lines @ sk_ @ sk__1)),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl50, zip_derived_cl42])).
% 0.52/0.81  thf(zip_derived_cl211, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (zip_tseitin_1 @ X0 @ sk__1) |  (convergent_lines @ sk__2 @ X0))),
% 0.52/0.81      inference('demod', [status(thm)], [zip_derived_cl204, zip_derived_cl60])).
% 0.52/0.81  thf(zip_derived_cl21, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (convergent_lines @ X0 @ X1) | ~ (zip_tseitin_1 @ X1 @ X0))),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.52/0.81  thf(zip_derived_cl237, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (convergent_lines @ sk__2 @ X0) |  (convergent_lines @ sk__1 @ X0))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl211, zip_derived_cl21])).
% 0.52/0.81  thf(zip_derived_cl2, plain, (![X0 : $i]: ~ (convergent_lines @ X0 @ X0)),
% 0.52/0.81      inference('cnf', [status(esa)], [apart3])).
% 0.52/0.81  thf(zip_derived_cl335, plain, ( (convergent_lines @ sk__1 @ sk__2)),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl237, zip_derived_cl2])).
% 0.52/0.81  thf(zf_stmt_7, axiom,
% 0.52/0.81    (![N:$i,L:$i]:
% 0.52/0.81     ( ( ( ~( convergent_lines @ L @ N ) ) | 
% 0.52/0.81         ( ~( unorthogonal_lines @ L @ N ) ) ) =>
% 0.52/0.81       ( zip_tseitin_2 @ N @ L ) ))).
% 0.52/0.81  thf(zip_derived_cl29, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i]:
% 0.52/0.81         ( (zip_tseitin_2 @ X0 @ X1) |  (unorthogonal_lines @ X1 @ X0))),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.52/0.81  thf(zf_stmt_8, type, zip_tseitin_3 : $i > $i > $o).
% 0.52/0.81  thf(zf_stmt_9, type, zip_tseitin_2 : $i > $i > $o).
% 0.52/0.81  thf(zf_stmt_10, axiom,
% 0.52/0.81    (![L:$i,M:$i,N:$i]:
% 0.52/0.81     ( ( ( zip_tseitin_3 @ M @ L ) & ( zip_tseitin_2 @ N @ L ) ) =>
% 0.52/0.81       ( ( ~( convergent_lines @ M @ N ) ) | 
% 0.52/0.81         ( ~( unorthogonal_lines @ M @ N ) ) ) ))).
% 0.52/0.81  thf(zip_derived_cl32, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.81         (~ (zip_tseitin_3 @ X0 @ X1)
% 0.52/0.81          | ~ (zip_tseitin_2 @ X2 @ X1)
% 0.52/0.81          | ~ (convergent_lines @ X0 @ X2)
% 0.52/0.81          | ~ (unorthogonal_lines @ X0 @ X2))),
% 0.52/0.81      inference('cnf', [status(esa)], [zf_stmt_10])).
% 0.52/0.81  thf(zip_derived_cl64, plain,
% 0.52/0.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.81         ( (unorthogonal_lines @ X2 @ X0)
% 0.52/0.81          | ~ (unorthogonal_lines @ X1 @ X0)
% 0.52/0.81          | ~ (convergent_lines @ X1 @ X0)
% 0.52/0.81          | ~ (zip_tseitin_3 @ X1 @ X2))),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl29, zip_derived_cl32])).
% 0.52/0.81  thf(zip_derived_cl344, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (unorthogonal_lines @ X0 @ sk__2)
% 0.52/0.81          | ~ (unorthogonal_lines @ sk__1 @ sk__2)
% 0.52/0.81          | ~ (zip_tseitin_3 @ sk__1 @ X0))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl335, zip_derived_cl64])).
% 0.52/0.81  thf(zip_derived_cl66, plain, ( (unorthogonal_lines @ sk__1 @ sk__2)),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl47, zip_derived_cl48])).
% 0.52/0.81  thf(zip_derived_cl346, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (unorthogonal_lines @ X0 @ sk__2) | ~ (zip_tseitin_3 @ sk__1 @ X0))),
% 0.52/0.81      inference('demod', [status(thm)], [zip_derived_cl344, zip_derived_cl66])).
% 0.52/0.81  thf(zip_derived_cl348, plain,
% 0.52/0.81      (![X0 : $i]:
% 0.52/0.81         ( (convergent_lines @ X0 @ sk__1) |  (unorthogonal_lines @ X0 @ sk__2))),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl30, zip_derived_cl346])).
% 0.52/0.81  thf(zip_derived_cl67, plain, (~ (unorthogonal_lines @ sk_ @ sk__2)),
% 0.52/0.81      inference('dp-resolution', [status(thm)],
% 0.52/0.81                [zip_derived_cl49, zip_derived_cl46])).
% 0.52/0.81  thf(zip_derived_cl370, plain, ( (convergent_lines @ sk_ @ sk__1)),
% 0.52/0.81      inference('s_sup-', [status(thm)], [zip_derived_cl348, zip_derived_cl67])).
% 0.52/0.81  thf(zip_derived_cl376, plain, ($false),
% 0.52/0.81      inference('demod', [status(thm)], [zip_derived_cl60, zip_derived_cl370])).
% 0.52/0.81  
% 0.52/0.81  % SZS output end Refutation
% 0.52/0.81  
% 0.52/0.81  
% 0.52/0.81  % Terminating...
% 0.57/0.93  % Runner terminated.
% 1.93/0.94  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------