%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU280+1 : TPTP v9.2.0. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.GpqWBPV8DU true
% Computer : n031.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 04:54:06 PM UTC 2025
% Result : Theorem 0.48s 0.87s
% Output : Refutation 0.48s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.14 % Problem : SEU280+1 : TPTP v9.2.0. Released v3.3.0.
% 0.13/0.15 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.GpqWBPV8DU true
% 0.15/0.36 % Computer : n031.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 : Wed Oct 1 16:12:53 EDT 2025
% 0.15/0.36 % CPUTime :
% 0.15/0.36 % Running portfolio for 300 s
% 0.15/0.36 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.36 % Number of cores: 8
% 0.15/0.37 % Python version: Python 3.6.8
% 0.15/0.37 % Running in FO mode
% 0.46/0.62 % Total configuration time : 435
% 0.46/0.62 % Estimated wc time : 1092
% 0.46/0.62 % Estimated cpu time (7 cpus) : 156.0
% 0.46/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.46/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.47/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.47/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.47/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.47/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.47/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.48/0.87 % Solved by fo/fo1_av.sh.
% 0.48/0.87 % done 121 iterations in 0.060s
% 0.48/0.87 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.48/0.87 % SZS output start Refutation
% 0.48/0.87 thf(sk__6_type, type, sk__6: $i).
% 0.48/0.87 thf(sk__4_type, type, sk__4: $i).
% 0.48/0.87 thf(sk__type, type, sk_: $i).
% 0.48/0.87 thf(zip_tseitin_3_type, type, zip_tseitin_3: $i > $i > $i > $o).
% 0.48/0.87 thf(in_type, type, in: $i > $i > $o).
% 0.48/0.87 thf(zip_tseitin_2_type, type, zip_tseitin_2: $i > $i > $i > $o).
% 0.48/0.87 thf(sk__1_type, type, sk__1: $i > $i).
% 0.48/0.87 thf(sk__3_type, type, sk__3: $i > $i > $i).
% 0.48/0.87 thf(zip_tseitin_0_type, type, zip_tseitin_0: $i > $i > $i > $o).
% 0.48/0.87 thf(zip_tseitin_1_type, type, zip_tseitin_1: $i > $i > $i > $o).
% 0.48/0.87 thf(sk__5_type, type, sk__5: $i).
% 0.48/0.87 thf(sk__7_type, type, sk__7: $i > $i).
% 0.48/0.87 thf(ordinal_type, type, ordinal: $i > $o).
% 0.48/0.87 thf(s1_tarski__e6_22__wellord2__1, axiom,
% 0.48/0.87 (![A:$i]:
% 0.48/0.87 ( ( ![B:$i,C:$i,D:$i]:
% 0.48/0.87 ( ( ( ordinal @ D ) & ( ( B ) = ( D ) ) & ( ordinal @ C ) &
% 0.48/0.87 ( ( B ) = ( C ) ) ) =>
% 0.48/0.87 ( ( C ) = ( D ) ) ) ) =>
% 0.48/0.87 ( ?[B:$i]:
% 0.48/0.87 ( ![C:$i]:
% 0.48/0.87 ( ( in @ C @ B ) <=>
% 0.48/0.87 ( ?[D:$i]:
% 0.48/0.87 ( ( in @ D @ A ) & ( ( D ) = ( C ) ) & ( ordinal @ C ) ) ) ) ) ) ))).
% 0.48/0.87 thf(zf_stmt_0, type, zip_tseitin_3 : $i > $i > $i > $o).
% 0.48/0.87 thf(zf_stmt_1, axiom,
% 0.48/0.87 (![C:$i,B:$i,A:$i]:
% 0.48/0.87 ( ( zip_tseitin_3 @ C @ B @ A ) =>
% 0.48/0.87 ( ( in @ C @ B ) <=> ( ?[D:$i]: ( zip_tseitin_2 @ D @ C @ A ) ) ) ))).
% 0.48/0.87 thf(zf_stmt_2, type, zip_tseitin_2 : $i > $i > $i > $o).
% 0.48/0.87 thf(zf_stmt_3, axiom,
% 0.48/0.87 (![D:$i,C:$i,A:$i]:
% 0.48/0.87 ( ( zip_tseitin_2 @ D @ C @ A ) <=>
% 0.48/0.87 ( ( ordinal @ C ) & ( ( D ) = ( C ) ) & ( in @ D @ A ) ) ))).
% 0.48/0.87 thf(zf_stmt_4, type, zip_tseitin_1 : $i > $i > $i > $o).
% 0.48/0.87 thf(zf_stmt_5, axiom,
% 0.48/0.87 (![D:$i,C:$i,B:$i]:
% 0.48/0.87 ( ( ( zip_tseitin_0 @ D @ C @ B ) => ( ( C ) = ( D ) ) ) =>
% 0.48/0.87 ( zip_tseitin_1 @ D @ C @ B ) ))).
% 0.48/0.87 thf(zf_stmt_6, type, zip_tseitin_0 : $i > $i > $i > $o).
% 0.48/0.87 thf(zf_stmt_7, axiom,
% 0.48/0.87 (![D:$i,C:$i,B:$i]:
% 0.48/0.87 ( ( zip_tseitin_0 @ D @ C @ B ) =>
% 0.48/0.87 ( ( ( B ) = ( C ) ) & ( ordinal @ C ) & ( ( B ) = ( D ) ) &
% 0.48/0.87 ( ordinal @ D ) ) ))).
% 0.48/0.87 thf(zf_stmt_8, axiom,
% 0.48/0.87 (![A:$i]:
% 0.48/0.87 ( ( ![B:$i,C:$i,D:$i]: ( zip_tseitin_1 @ D @ C @ B ) ) =>
% 0.48/0.87 ( ?[B:$i]: ( ![C:$i]: ( zip_tseitin_3 @ C @ B @ A ) ) ) ))).
% 0.48/0.87 thf(zip_derived_cl22, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)
% 0.48/0.87 | (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_8])).
% 0.48/0.87 thf(zip_derived_cl23, plain,
% 0.48/0.87 ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1))
% 0.48/0.87 <= ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1)))),
% 0.48/0.87 inference('split', [status(esa)], [zip_derived_cl22])).
% 0.48/0.87 thf(zip_derived_cl15, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 ( (zip_tseitin_1 @ X0 @ X1 @ X2) | (zip_tseitin_0 @ X0 @ X1 @ X2))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.48/0.87 thf(zip_derived_cl24, plain,
% 0.48/0.87 ((~ (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4))
% 0.48/0.87 <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('split', [status(esa)], [zip_derived_cl22])).
% 0.48/0.87 thf(zip_derived_cl53, plain,
% 0.48/0.87 (( (zip_tseitin_0 @ sk__6 @ sk__5 @ sk__4))
% 0.48/0.87 <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl15, zip_derived_cl24])).
% 0.48/0.87 thf(zip_derived_cl53, plain,
% 0.48/0.87 (( (zip_tseitin_0 @ sk__6 @ sk__5 @ sk__4))
% 0.48/0.87 <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl15, zip_derived_cl24])).
% 0.48/0.87 thf(zip_derived_cl10, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 (((X1) = (X0)) | ~ (zip_tseitin_0 @ X2 @ X0 @ X1))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.48/0.87 thf(zip_derived_cl55, plain,
% 0.48/0.87 ((((sk__4) = (sk__5))) <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl53, zip_derived_cl10])).
% 0.48/0.87 thf(zip_derived_cl61, plain,
% 0.48/0.87 (( (zip_tseitin_0 @ sk__6 @ sk__4 @ sk__4))
% 0.48/0.87 <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('demod', [status(thm)], [zip_derived_cl53, zip_derived_cl55])).
% 0.48/0.87 thf(zip_derived_cl12, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 (((X1) = (X0)) | ~ (zip_tseitin_0 @ X0 @ X2 @ X1))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.48/0.87 thf(zip_derived_cl69, plain,
% 0.48/0.87 ((((sk__4) = (sk__6))) <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl61, zip_derived_cl12])).
% 0.48/0.87 thf(zip_derived_cl14, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 ( (zip_tseitin_1 @ X0 @ X1 @ X2) | ((X1) != (X0)))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.48/0.87 thf(zip_derived_cl24, plain,
% 0.48/0.87 ((~ (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4))
% 0.48/0.87 <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('split', [status(esa)], [zip_derived_cl22])).
% 0.48/0.87 thf(zip_derived_cl42, plain,
% 0.48/0.87 ((((sk__5) != (sk__6))) <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl14, zip_derived_cl24])).
% 0.48/0.87 thf(zip_derived_cl55, plain,
% 0.48/0.87 ((((sk__4) = (sk__5))) <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl53, zip_derived_cl10])).
% 0.48/0.87 thf(zip_derived_cl60, plain,
% 0.48/0.87 ((((sk__4) != (sk__6))) <= (~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4)))),
% 0.48/0.87 inference('demod', [status(thm)], [zip_derived_cl42, zip_derived_cl55])).
% 0.48/0.87 thf('0', plain, (( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4))),
% 0.48/0.87 inference('simplify_reflect-', [status(thm)],
% 0.48/0.87 [zip_derived_cl69, zip_derived_cl60])).
% 0.48/0.87 thf('1', plain,
% 0.48/0.87 ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1)) |
% 0.48/0.87 ~ ( (zip_tseitin_1 @ sk__6 @ sk__5 @ sk__4))),
% 0.48/0.87 inference('split', [status(esa)], [zip_derived_cl22])).
% 0.48/0.87 thf('2', plain,
% 0.48/0.87 ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1))),
% 0.48/0.87 inference('sat_resolution*', [status(thm)], ['0', '1'])).
% 0.48/0.87 thf(zip_derived_cl73, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1)),
% 0.48/0.87 inference('simpl_trail', [status(thm)], [zip_derived_cl23, '2'])).
% 0.48/0.87 thf(zip_derived_cl19, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 ( (zip_tseitin_2 @ X0 @ X1 @ X2)
% 0.48/0.87 | ~ (in @ X0 @ X2)
% 0.48/0.87 | ((X0) != (X1))
% 0.48/0.87 | ~ (ordinal @ X1))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.48/0.87 thf(zip_derived_cl20, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.48/0.87 (~ (zip_tseitin_2 @ X0 @ X1 @ X2)
% 0.48/0.87 | (in @ X1 @ X3)
% 0.48/0.87 | ~ (zip_tseitin_3 @ X1 @ X3 @ X2))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.48/0.87 thf(zip_derived_cl51, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.48/0.87 (~ (ordinal @ X1)
% 0.48/0.87 | ((X2) != (X1))
% 0.48/0.87 | ~ (in @ X2 @ X0)
% 0.48/0.87 | (in @ X1 @ X3)
% 0.48/0.87 | ~ (zip_tseitin_3 @ X1 @ X3 @ X0))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl19, zip_derived_cl20])).
% 0.48/0.87 thf(zip_derived_cl52, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 (~ (zip_tseitin_3 @ X2 @ X1 @ X0)
% 0.48/0.87 | (in @ X2 @ X1)
% 0.48/0.87 | ~ (in @ X2 @ X0)
% 0.48/0.87 | ~ (ordinal @ X2))),
% 0.48/0.87 inference('eq_res', [status(thm)], [zip_derived_cl51])).
% 0.48/0.87 thf(zip_derived_cl93, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 ( (in @ X1 @ (sk__7 @ X0)) | ~ (in @ X1 @ X0) | ~ (ordinal @ X1))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl52])).
% 0.48/0.87 thf(s1_xboole_0__e6_22__wellord2, conjecture,
% 0.48/0.87 (![A:$i]:
% 0.48/0.87 ( ?[B:$i]:
% 0.48/0.87 ( ![C:$i]: ( ( in @ C @ B ) <=> ( ( in @ C @ A ) & ( ordinal @ C ) ) ) ) ))).
% 0.48/0.87 thf(zf_stmt_9, negated_conjecture,
% 0.48/0.87 (~( ![A:$i]:
% 0.48/0.87 ( ?[B:$i]:
% 0.48/0.87 ( ![C:$i]:
% 0.48/0.87 ( ( in @ C @ B ) <=> ( ( in @ C @ A ) & ( ordinal @ C ) ) ) ) ) )),
% 0.48/0.87 inference('cnf.neg', [status(esa)], [s1_xboole_0__e6_22__wellord2])).
% 0.48/0.87 thf(zip_derived_cl2, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 (~ (ordinal @ (sk__1 @ X0))
% 0.48/0.87 | ~ (in @ (sk__1 @ X0) @ sk_)
% 0.48/0.87 | ~ (in @ (sk__1 @ X0) @ X0))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_9])).
% 0.48/0.87 thf(zip_derived_cl99, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 (~ (ordinal @ (sk__1 @ (sk__7 @ X0)))
% 0.48/0.87 | ~ (in @ (sk__1 @ (sk__7 @ X0)) @ X0)
% 0.48/0.87 | ~ (ordinal @ (sk__1 @ (sk__7 @ X0)))
% 0.48/0.87 | ~ (in @ (sk__1 @ (sk__7 @ X0)) @ sk_))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl93, zip_derived_cl2])).
% 0.48/0.87 thf(zip_derived_cl1, plain,
% 0.48/0.87 (![X0 : $i]: ( (ordinal @ (sk__1 @ X0)) | (in @ (sk__1 @ X0) @ X0))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_9])).
% 0.48/0.87 thf(zip_derived_cl23, plain,
% 0.48/0.87 ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1))
% 0.48/0.87 <= ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1)))),
% 0.48/0.87 inference('split', [status(esa)], [zip_derived_cl22])).
% 0.48/0.87 thf(zip_derived_cl21, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 (~ (in @ X0 @ X1)
% 0.48/0.87 | (zip_tseitin_2 @ (sk__3 @ X2 @ X0) @ X0 @ X2)
% 0.48/0.87 | ~ (zip_tseitin_3 @ X0 @ X1 @ X2))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.48/0.87 thf(zip_derived_cl66, plain,
% 0.48/0.87 ((![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (in @ X1 @ (sk__7 @ X0))
% 0.48/0.87 | (zip_tseitin_2 @ (sk__3 @ X0 @ X1) @ X1 @ X0)))
% 0.48/0.87 <= ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl23, zip_derived_cl21])).
% 0.48/0.87 thf('3', plain,
% 0.48/0.87 ((![X0 : $i, X1 : $i]: (zip_tseitin_3 @ X0 @ (sk__7 @ X1) @ X1))),
% 0.48/0.87 inference('sat_resolution*', [status(thm)], ['0', '1'])).
% 0.48/0.87 thf(zip_derived_cl72, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (in @ X1 @ (sk__7 @ X0))
% 0.48/0.87 | (zip_tseitin_2 @ (sk__3 @ X0 @ X1) @ X1 @ X0))),
% 0.48/0.87 inference('simpl_trail', [status(thm)], [zip_derived_cl66, '3'])).
% 0.48/0.87 thf(zip_derived_cl16, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 ( (ordinal @ X0) | ~ (zip_tseitin_2 @ X1 @ X0 @ X2))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.48/0.87 thf(zip_derived_cl74, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]: (~ (in @ X1 @ (sk__7 @ X0)) | (ordinal @ X1))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl72, zip_derived_cl16])).
% 0.48/0.87 thf(zip_derived_cl82, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 ( (ordinal @ (sk__1 @ (sk__7 @ X0)))
% 0.48/0.87 | (ordinal @ (sk__1 @ (sk__7 @ X0))))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl74])).
% 0.48/0.87 thf(zip_derived_cl84, plain,
% 0.48/0.87 (![X0 : $i]: (ordinal @ (sk__1 @ (sk__7 @ X0)))),
% 0.48/0.87 inference('simplify', [status(thm)], [zip_derived_cl82])).
% 0.48/0.87 thf(zip_derived_cl84, plain,
% 0.48/0.87 (![X0 : $i]: (ordinal @ (sk__1 @ (sk__7 @ X0)))),
% 0.48/0.87 inference('simplify', [status(thm)], [zip_derived_cl82])).
% 0.48/0.87 thf(zip_derived_cl100, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 (~ (in @ (sk__1 @ (sk__7 @ X0)) @ X0)
% 0.48/0.87 | ~ (in @ (sk__1 @ (sk__7 @ X0)) @ sk_))),
% 0.48/0.87 inference('demod', [status(thm)],
% 0.48/0.87 [zip_derived_cl99, zip_derived_cl84, zip_derived_cl84])).
% 0.48/0.87 thf(zip_derived_cl111, plain, (~ (in @ (sk__1 @ (sk__7 @ sk_)) @ sk_)),
% 0.48/0.87 inference('eq_fact', [status(thm)], [zip_derived_cl100])).
% 0.48/0.87 thf(zip_derived_cl72, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (in @ X1 @ (sk__7 @ X0))
% 0.48/0.87 | (zip_tseitin_2 @ (sk__3 @ X0 @ X1) @ X1 @ X0))),
% 0.48/0.87 inference('simpl_trail', [status(thm)], [zip_derived_cl66, '3'])).
% 0.48/0.87 thf(zip_derived_cl17, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 (((X1) = (X0)) | ~ (zip_tseitin_2 @ X1 @ X0 @ X2))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.48/0.87 thf(zip_derived_cl75, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (in @ X1 @ (sk__7 @ X0)) | ((sk__3 @ X0 @ X1) = (X1)))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl72, zip_derived_cl17])).
% 0.48/0.87 thf(zip_derived_cl0, plain,
% 0.48/0.87 (![X0 : $i]: ( (in @ (sk__1 @ X0) @ sk_) | (in @ (sk__1 @ X0) @ X0))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_9])).
% 0.48/0.87 thf(zip_derived_cl86, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 (((sk__3 @ X0 @ (sk__1 @ (sk__7 @ X0))) = (sk__1 @ (sk__7 @ X0)))
% 0.48/0.87 | (in @ (sk__1 @ (sk__7 @ X0)) @ sk_))),
% 0.48/0.87 inference('s_sup+', [status(thm)], [zip_derived_cl75, zip_derived_cl0])).
% 0.48/0.87 thf(zip_derived_cl72, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (in @ X1 @ (sk__7 @ X0))
% 0.48/0.87 | (zip_tseitin_2 @ (sk__3 @ X0 @ X1) @ X1 @ X0))),
% 0.48/0.87 inference('simpl_trail', [status(thm)], [zip_derived_cl66, '3'])).
% 0.48/0.87 thf(zip_derived_cl18, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.48/0.87 ( (in @ X0 @ X1) | ~ (zip_tseitin_2 @ X0 @ X2 @ X1))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.48/0.87 thf(zip_derived_cl76, plain,
% 0.48/0.87 (![X0 : $i, X1 : $i]:
% 0.48/0.87 (~ (in @ X1 @ (sk__7 @ X0)) | (in @ (sk__3 @ X0 @ X1) @ X0))),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl72, zip_derived_cl18])).
% 0.48/0.87 thf(zip_derived_cl147, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 ( (in @ (sk__1 @ (sk__7 @ X0)) @ sk_)
% 0.48/0.87 | ~ (in @ (sk__1 @ (sk__7 @ X0)) @ (sk__7 @ X0))
% 0.48/0.87 | (in @ (sk__1 @ (sk__7 @ X0)) @ X0))),
% 0.48/0.87 inference('s_sup+', [status(thm)], [zip_derived_cl86, zip_derived_cl76])).
% 0.48/0.87 thf(zip_derived_cl0, plain,
% 0.48/0.87 (![X0 : $i]: ( (in @ (sk__1 @ X0) @ sk_) | (in @ (sk__1 @ X0) @ X0))),
% 0.48/0.87 inference('cnf', [status(esa)], [zf_stmt_9])).
% 0.48/0.87 thf(zip_derived_cl203, plain,
% 0.48/0.87 (![X0 : $i]:
% 0.48/0.87 ( (in @ (sk__1 @ (sk__7 @ X0)) @ X0)
% 0.48/0.87 | (in @ (sk__1 @ (sk__7 @ X0)) @ sk_))),
% 0.48/0.87 inference('clc', [status(thm)], [zip_derived_cl147, zip_derived_cl0])).
% 0.48/0.87 thf(zip_derived_cl111, plain, (~ (in @ (sk__1 @ (sk__7 @ sk_)) @ sk_)),
% 0.48/0.87 inference('eq_fact', [status(thm)], [zip_derived_cl100])).
% 0.48/0.87 thf(zip_derived_cl209, plain, ( (in @ (sk__1 @ (sk__7 @ sk_)) @ sk_)),
% 0.48/0.87 inference('s_sup-', [status(thm)], [zip_derived_cl203, zip_derived_cl111])).
% 0.48/0.87 thf(zip_derived_cl267, plain, ($false),
% 0.48/0.87 inference('demod', [status(thm)], [zip_derived_cl111, zip_derived_cl209])).
% 0.48/0.87
% 0.48/0.87 % SZS output end Refutation
% 0.48/0.87
% 0.48/0.87
% 0.48/0.87 % Terminating...
% 1.81/0.97 % Runner terminated.
% 1.81/0.99 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------