%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : LCL899+1 : TPTP v9.3.1. Released v5.5.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.6hHBaUwyPu true
% Computer : n007.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Mon Sep 7 01:37:33 PM UTC 2026
% Result : Theorem 0.44s 0.80s
% Output : Refutation 0.44s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL899+1 : TPTP v9.3.1. Released v5.5.0.
% 0.00/0.04 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.6hHBaUwyPu true
% 0.11/0.37 % Computer : n007.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Sun Sep 6 01:00:25 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 % Running portfolio for 300 s
% 0.11/0.37 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.37 % Number of cores: 8
% 0.11/0.38 % Python version: Python 3.12.3
% 0.11/0.38 % Running in FO mode
% 0.40/0.60 % Total configuration time : 435
% 0.40/0.60 % Estimated wc time : 1092
% 0.40/0.60 % Estimated cpu time (7 cpus) : 156.0
% 0.43/0.68 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.44/0.74 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.44/0.74 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.44/0.74 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.44/0.74 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.44/0.74 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.44/0.74 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.44/0.80 % Solved by fo/fo6_bce.sh.
% 0.44/0.80 % BCE start: 15
% 0.44/0.80 % BCE eliminated: 0
% 0.44/0.80 % PE start: 15
% 0.44/0.80 logic: eq
% 0.44/0.80 % PE eliminated: 0
% 0.44/0.80 % done 144 iterations in 0.102s
% 0.44/0.80 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.44/0.80 % SZS output start Refutation
% 0.44/0.80 thf(>=_type, type, >=: $i > $i > $o).
% 0.44/0.80 thf('+_type', type, '+': $i > $i > $i).
% 0.44/0.80 thf(sk__type, type, sk_: $i).
% 0.44/0.80 thf(1_type, type, 1: $i).
% 0.44/0.80 thf(==>_type, type, ==>: $i > $i > $i).
% 0.44/0.80 thf(0_type, type, 0: $i).
% 0.44/0.80 thf(goals_14, conjecture,
% 0.44/0.80 (![X17:$i]: ( ( ==> @ ( ==> @ X17 @ 1 ) @ 1 ) = ( X17 ) ))).
% 0.44/0.80 thf(zf_stmt_0, negated_conjecture,
% 0.44/0.80 (~( ![X17:$i]: ( ( ==> @ ( ==> @ X17 @ 1 ) @ 1 ) = ( X17 ) ) )),
% 0.44/0.80 inference('cnf.neg', [status(esa)], [goals_14])).
% 0.44/0.80 thf(zip_derived_cl14, plain, (((==> @ (==> @ sk_ @ 1) @ 1) != (sk_))),
% 0.44/0.80 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.44/0.80 thf(sos_13, axiom,
% 0.44/0.80 (![A:$i,B:$i]:
% 0.44/0.80 ( ( ==> @ ( ==> @ A @ B ) @ B ) = ( ==> @ ( ==> @ B @ A ) @ A ) ))).
% 0.44/0.80 thf(zip_derived_cl13, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]:
% 0.44/0.80 ((==> @ (==> @ X1 @ X0) @ X0) = (==> @ (==> @ X0 @ X1) @ X1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_13])).
% 0.44/0.80 thf(zip_derived_cl148, plain, (((==> @ (==> @ 1 @ sk_) @ sk_) != (sk_))),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl14, zip_derived_cl13])).
% 0.44/0.80 thf(sos_12, axiom, (![A:$i]: ( ( '+' @ A @ 1 ) = ( 1 ) ))).
% 0.44/0.80 thf(zip_derived_cl12, plain, (![X0 : $i]: (('+' @ X0 @ 1) = (1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_12])).
% 0.44/0.80 thf(sos_02, axiom, (![A:$i,B:$i]: ( ( '+' @ A @ B ) = ( '+' @ B @ A ) ))).
% 0.44/0.80 thf(zip_derived_cl1, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (('+' @ X1 @ X0) = ('+' @ X0 @ X1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_02])).
% 0.44/0.80 thf(sos_07, axiom,
% 0.44/0.80 (![X5:$i,X6:$i,X7:$i]:
% 0.44/0.80 ( ( >= @ ( '+' @ X5 @ X6 ) @ X7 ) <=> ( >= @ X6 @ ( ==> @ X5 @ X7 ) ) ))).
% 0.44/0.80 thf(zip_derived_cl6, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.44/0.80 ( (>= @ X0 @ (==> @ X1 @ X2)) | ~ (>= @ ('+' @ X1 @ X0) @ X2))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_07])).
% 0.44/0.80 thf(zip_derived_cl87, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.44/0.80 ( (>= @ X1 @ (==> @ X0 @ X2)) | ~ (>= @ ('+' @ X1 @ X0) @ X2))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl6])).
% 0.44/0.80 thf(zip_derived_cl352, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: ( (>= @ X1 @ (==> @ 1 @ X0)) | ~ (>= @ 1 @ X0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl12, zip_derived_cl87])).
% 0.44/0.80 thf(zip_derived_cl12, plain, (![X0 : $i]: (('+' @ X0 @ 1) = (1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_12])).
% 0.44/0.80 thf(zip_derived_cl1, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (('+' @ X1 @ X0) = ('+' @ X0 @ X1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_02])).
% 0.44/0.80 thf(zip_derived_cl68, plain, (![X0 : $i]: ((1) = ('+' @ 1 @ X0))),
% 0.44/0.80 inference('s_sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl1])).
% 0.44/0.80 thf(sos_03, axiom, (![A:$i]: ( ( '+' @ A @ 0 ) = ( A ) ))).
% 0.44/0.80 thf(zip_derived_cl2, plain, (![X0 : $i]: (('+' @ X0 @ 0) = (X0))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_03])).
% 0.44/0.80 thf(zip_derived_cl1, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (('+' @ X1 @ X0) = ('+' @ X0 @ X1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_02])).
% 0.44/0.80 thf(zip_derived_cl67, plain, (![X0 : $i]: ((X0) = ('+' @ 0 @ X0))),
% 0.44/0.80 inference('s_sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 0.44/0.80 thf(sos_09, axiom,
% 0.44/0.80 (![X8:$i,X9:$i,X10:$i]:
% 0.44/0.80 ( ( >= @ X8 @ X9 ) => ( >= @ ( '+' @ X8 @ X10 ) @ ( '+' @ X9 @ X10 ) ) ))).
% 0.44/0.80 thf(zip_derived_cl9, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.44/0.80 (~ (>= @ X0 @ X1) | (>= @ ('+' @ X0 @ X2) @ ('+' @ X1 @ X2)))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_09])).
% 0.44/0.80 thf(zip_derived_cl114, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (~ (>= @ X1 @ 0) | (>= @ ('+' @ X1 @ X0) @ X0))),
% 0.44/0.80 inference('s_sup+', [status(thm)], [zip_derived_cl67, zip_derived_cl9])).
% 0.44/0.80 thf(sos_08, axiom, (![A:$i]: ( >= @ A @ 0 ))).
% 0.44/0.80 thf(zip_derived_cl8, plain, (![X0 : $i]: (>= @ X0 @ 0)),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_08])).
% 0.44/0.80 thf(zip_derived_cl125, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (>= @ ('+' @ X1 @ X0) @ X0)),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl114, zip_derived_cl8])).
% 0.44/0.80 thf(zip_derived_cl137, plain, (![X0 : $i]: (>= @ 1 @ X0)),
% 0.44/0.80 inference('s_sup+', [status(thm)], [zip_derived_cl68, zip_derived_cl125])).
% 0.44/0.80 thf(zip_derived_cl359, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (>= @ X1 @ (==> @ 1 @ X0))),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl352, zip_derived_cl137])).
% 0.44/0.80 thf(zip_derived_cl8, plain, (![X0 : $i]: (>= @ X0 @ 0)),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_08])).
% 0.44/0.80 thf(sos_06, axiom,
% 0.44/0.80 (![X3:$i,X4:$i]:
% 0.44/0.80 ( ( ( >= @ X3 @ X4 ) & ( >= @ X4 @ X3 ) ) => ( ( X3 ) = ( X4 ) ) ))).
% 0.44/0.80 thf(zip_derived_cl5, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]:
% 0.44/0.80 (((X1) = (X0)) | ~ (>= @ X0 @ X1) | ~ (>= @ X1 @ X0))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_06])).
% 0.44/0.80 thf(zip_derived_cl80, plain, (![X0 : $i]: (((0) = (X0)) | ~ (>= @ 0 @ X0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl5])).
% 0.44/0.80 thf(zip_derived_cl367, plain, (![X0 : $i]: ((0) = (==> @ 1 @ X0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl359, zip_derived_cl80])).
% 0.44/0.80 thf(zip_derived_cl370, plain, (((==> @ 0 @ sk_) != (sk_))),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl148, zip_derived_cl367])).
% 0.44/0.80 thf(zip_derived_cl125, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (>= @ ('+' @ X1 @ X0) @ X0)),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl114, zip_derived_cl8])).
% 0.44/0.80 thf(zip_derived_cl6, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.44/0.80 ( (>= @ X0 @ (==> @ X1 @ X2)) | ~ (>= @ ('+' @ X1 @ X0) @ X2))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_07])).
% 0.44/0.80 thf(zip_derived_cl130, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (>= @ X0 @ (==> @ X1 @ X0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl125, zip_derived_cl6])).
% 0.44/0.80 thf(zip_derived_cl80, plain, (![X0 : $i]: (((0) = (X0)) | ~ (>= @ 0 @ X0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl5])).
% 0.44/0.80 thf(zip_derived_cl164, plain, (![X0 : $i]: ((0) = (==> @ X0 @ 0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl130, zip_derived_cl80])).
% 0.44/0.80 thf(zip_derived_cl13, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]:
% 0.44/0.80 ((==> @ (==> @ X1 @ X0) @ X0) = (==> @ (==> @ X0 @ X1) @ X1))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_13])).
% 0.44/0.80 thf(zip_derived_cl215, plain,
% 0.44/0.80 (![X0 : $i]: ((==> @ (==> @ 0 @ X0) @ X0) = (0))),
% 0.44/0.80 inference('s_sup+', [status(thm)], [zip_derived_cl164, zip_derived_cl13])).
% 0.44/0.80 thf(zip_derived_cl2, plain, (![X0 : $i]: (('+' @ X0 @ 0) = (X0))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_03])).
% 0.44/0.80 thf(zip_derived_cl7, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.44/0.80 ( (>= @ ('+' @ X0 @ X1) @ X2) | ~ (>= @ X1 @ (==> @ X0 @ X2)))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_07])).
% 0.44/0.80 thf(zip_derived_cl101, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: ( (>= @ X0 @ X1) | ~ (>= @ 0 @ (==> @ X0 @ X1)))),
% 0.44/0.80 inference('s_sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl7])).
% 0.44/0.80 thf(zip_derived_cl629, plain,
% 0.44/0.80 (![X0 : $i]: ( (>= @ (==> @ 0 @ X0) @ X0) | ~ (>= @ 0 @ 0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl215, zip_derived_cl101])).
% 0.44/0.80 thf(zip_derived_cl8, plain, (![X0 : $i]: (>= @ X0 @ 0)),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_08])).
% 0.44/0.80 thf(zip_derived_cl637, plain, (![X0 : $i]: (>= @ (==> @ 0 @ X0) @ X0)),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl629, zip_derived_cl8])).
% 0.44/0.80 thf(zip_derived_cl5, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]:
% 0.44/0.80 (((X1) = (X0)) | ~ (>= @ X0 @ X1) | ~ (>= @ X1 @ X0))),
% 0.44/0.80 inference('cnf', [status(esa)], [sos_06])).
% 0.44/0.80 thf(zip_derived_cl697, plain,
% 0.44/0.80 (![X0 : $i]: (((X0) = (==> @ 0 @ X0)) | ~ (>= @ X0 @ (==> @ 0 @ X0)))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl637, zip_derived_cl5])).
% 0.44/0.80 thf(zip_derived_cl130, plain,
% 0.44/0.80 (![X0 : $i, X1 : $i]: (>= @ X0 @ (==> @ X1 @ X0))),
% 0.44/0.80 inference('s_sup-', [status(thm)], [zip_derived_cl125, zip_derived_cl6])).
% 0.44/0.80 thf(zip_derived_cl707, plain, (![X0 : $i]: ((X0) = (==> @ 0 @ X0))),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl697, zip_derived_cl130])).
% 0.44/0.80 thf(zip_derived_cl797, plain, (((sk_) != (sk_))),
% 0.44/0.80 inference('demod', [status(thm)], [zip_derived_cl370, zip_derived_cl707])).
% 0.44/0.80 thf(zip_derived_cl798, plain, ($false),
% 0.44/0.80 inference('simplify', [status(thm)], [zip_derived_cl797])).
% 0.44/0.80
% 0.44/0.80 % SZS output end Refutation
% 0.44/0.80
% 0.44/0.80
% 0.44/0.80 % Terminating...
% 0.45/0.85 % Runner terminated.
% 0.45/0.88 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------