%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : FLD014-3 : TPTP v9.2.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.4kW7yg7LZt true
% Computer : n014.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 04:33:09 PM UTC 2025
% Result : Unsatisfiable 22.25s 3.80s
% Output : Refutation 22.25s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11 % Problem : FLD014-3 : TPTP v9.2.0. Bugfixed v2.1.0.
% 0.03/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.4kW7yg7LZt true
% 0.12/0.33 % Computer : n014.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 300
% 0.12/0.33 % DateTime : Wed Oct 1 18:26:53 EDT 2025
% 0.12/0.34 % CPUTime :
% 0.12/0.34 % Running portfolio for 300 s
% 0.12/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.34 % Number of cores: 8
% 0.12/0.34 % Python version: Python 3.6.8
% 0.12/0.34 % Running in FO mode
% 0.52/0.65 % Total configuration time : 435
% 0.52/0.65 % Estimated wc time : 1092
% 0.52/0.65 % Estimated cpu time (7 cpus) : 156.0
% 0.52/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.52/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.53/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.53/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.53/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 22.25/3.80 % Solved by fo/fo1_av.sh.
% 22.25/3.80 % done 4340 iterations in 3.056s
% 22.25/3.80 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 22.25/3.80 % SZS output start Refutation
% 22.25/3.80 thf(sum_type, type, sum: $i > $i > $i > $o).
% 22.25/3.80 thf(b_type, type, b: $i).
% 22.25/3.80 thf(a_type, type, a: $i).
% 22.25/3.80 thf(additive_identity_type, type, additive_identity: $i).
% 22.25/3.80 thf(additive_inverse_type, type, additive_inverse: $i > $i).
% 22.25/3.80 thf(defined_type, type, defined: $i > $o).
% 22.25/3.80 thf(existence_of_inverse_addition, axiom,
% 22.25/3.80 (( sum @ ( additive_inverse @ X ) @ X @ additive_identity ) |
% 22.25/3.80 ( ~( defined @ X ) ))).
% 22.25/3.80 thf(zip_derived_cl3, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 ( (sum @ (additive_inverse @ X0) @ X0 @ additive_identity)
% 22.25/3.80 | ~ (defined @ X0))),
% 22.25/3.80 inference('cnf', [status(esa)], [existence_of_inverse_addition])).
% 22.25/3.80 thf(commutativity_addition, axiom,
% 22.25/3.80 (( sum @ Y @ X @ Z ) | ( ~( sum @ X @ Y @ Z ) ))).
% 22.25/3.80 thf(zip_derived_cl4, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 22.25/3.80 ( (sum @ X0 @ X1 @ X2) | ~ (sum @ X1 @ X0 @ X2))),
% 22.25/3.80 inference('cnf', [status(esa)], [commutativity_addition])).
% 22.25/3.80 thf(zip_derived_cl52, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 (~ (defined @ X0)
% 22.25/3.80 | (sum @ X0 @ (additive_inverse @ X0) @ additive_identity))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl4])).
% 22.25/3.80 thf(sum_3, conjecture, (~( sum @ additive_identity @ a @ b ))).
% 22.25/3.80 thf(zf_stmt_0, negated_conjecture, (sum @ additive_identity @ a @ b),
% 22.25/3.80 inference('cnf.neg', [status(esa)], [sum_3])).
% 22.25/3.80 thf(zip_derived_cl28, plain, ( (sum @ additive_identity @ a @ b)),
% 22.25/3.80 inference('cnf', [status(esa)], [zf_stmt_0])).
% 22.25/3.80 thf(associativity_addition_2, axiom,
% 22.25/3.80 (( sum @ U @ Z @ W ) | ( ~( sum @ X @ Y @ U ) ) |
% 22.25/3.80 ( ~( sum @ Y @ Z @ V ) ) | ( ~( sum @ X @ V @ W ) ))).
% 22.25/3.80 thf(zip_derived_cl1, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 22.25/3.80 ( (sum @ X0 @ X1 @ X2)
% 22.25/3.80 | ~ (sum @ X3 @ X4 @ X0)
% 22.25/3.80 | ~ (sum @ X4 @ X1 @ X5)
% 22.25/3.80 | ~ (sum @ X3 @ X5 @ X2))),
% 22.25/3.80 inference('cnf', [status(esa)], [associativity_addition_2])).
% 22.25/3.80 thf(zip_derived_cl45, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 22.25/3.80 ( (sum @ b @ X1 @ X0)
% 22.25/3.80 | ~ (sum @ a @ X1 @ X2)
% 22.25/3.80 | ~ (sum @ additive_identity @ X2 @ X0))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl28, zip_derived_cl1])).
% 22.25/3.80 thf(zip_derived_cl837, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 (~ (defined @ a)
% 22.25/3.80 | (sum @ b @ (additive_inverse @ a) @ X0)
% 22.25/3.80 | ~ (sum @ additive_identity @ additive_identity @ X0))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl52, zip_derived_cl45])).
% 22.25/3.80 thf(a_is_defined, axiom, (defined @ a)).
% 22.25/3.80 thf(zip_derived_cl26, plain, ( (defined @ a)),
% 22.25/3.80 inference('cnf', [status(esa)], [a_is_defined])).
% 22.25/3.80 thf(zip_derived_cl855, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 ( (sum @ b @ (additive_inverse @ a) @ X0)
% 22.25/3.80 | ~ (sum @ additive_identity @ additive_identity @ X0))),
% 22.25/3.80 inference('demod', [status(thm)], [zip_derived_cl837, zip_derived_cl26])).
% 22.25/3.80 thf(existence_of_identity_addition, axiom,
% 22.25/3.80 (( sum @ additive_identity @ X @ X ) | ( ~( defined @ X ) ))).
% 22.25/3.80 thf(zip_derived_cl2, plain,
% 22.25/3.80 (![X0 : $i]: ( (sum @ additive_identity @ X0 @ X0) | ~ (defined @ X0))),
% 22.25/3.80 inference('cnf', [status(esa)], [existence_of_identity_addition])).
% 22.25/3.80 thf(zip_derived_cl4, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 22.25/3.80 ( (sum @ X0 @ X1 @ X2) | ~ (sum @ X1 @ X0 @ X2))),
% 22.25/3.80 inference('cnf', [status(esa)], [commutativity_addition])).
% 22.25/3.80 thf(zip_derived_cl40, plain,
% 22.25/3.80 (![X0 : $i]: (~ (defined @ X0) | (sum @ X0 @ additive_identity @ X0))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl4])).
% 22.25/3.80 thf(zip_derived_cl3, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 ( (sum @ (additive_inverse @ X0) @ X0 @ additive_identity)
% 22.25/3.80 | ~ (defined @ X0))),
% 22.25/3.80 inference('cnf', [status(esa)], [existence_of_inverse_addition])).
% 22.25/3.80 thf(zip_derived_cl1, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 22.25/3.80 ( (sum @ X0 @ X1 @ X2)
% 22.25/3.80 | ~ (sum @ X3 @ X4 @ X0)
% 22.25/3.80 | ~ (sum @ X4 @ X1 @ X5)
% 22.25/3.80 | ~ (sum @ X3 @ X5 @ X2))),
% 22.25/3.80 inference('cnf', [status(esa)], [associativity_addition_2])).
% 22.25/3.80 thf(zip_derived_cl51, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 22.25/3.80 (~ (defined @ X0)
% 22.25/3.80 | (sum @ additive_identity @ X2 @ X1)
% 22.25/3.80 | ~ (sum @ X0 @ X2 @ X3)
% 22.25/3.80 | ~ (sum @ (additive_inverse @ X0) @ X3 @ X1))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 22.25/3.80 thf(zip_derived_cl1093, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i]:
% 22.25/3.80 (~ (defined @ (additive_inverse @ X0))
% 22.25/3.80 | ~ (defined @ X0)
% 22.25/3.80 | (sum @ additive_identity @ X1 @ (additive_inverse @ X0))
% 22.25/3.80 | ~ (sum @ X0 @ X1 @ additive_identity))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl40, zip_derived_cl51])).
% 22.25/3.80 thf(well_definedness_of_additive_inverse, axiom,
% 22.25/3.80 (( defined @ ( additive_inverse @ X ) ) | ( ~( defined @ X ) ))).
% 22.25/3.80 thf(zip_derived_cl14, plain,
% 22.25/3.80 (![X0 : $i]: ( (defined @ (additive_inverse @ X0)) | ~ (defined @ X0))),
% 22.25/3.80 inference('cnf', [status(esa)], [well_definedness_of_additive_inverse])).
% 22.25/3.80 thf(zip_derived_cl34305, plain,
% 22.25/3.80 (![X0 : $i, X1 : $i]:
% 22.25/3.80 (~ (sum @ X0 @ X1 @ additive_identity)
% 22.25/3.80 | (sum @ additive_identity @ X1 @ (additive_inverse @ X0))
% 22.25/3.80 | ~ (defined @ X0))),
% 22.25/3.80 inference('clc', [status(thm)], [zip_derived_cl1093, zip_derived_cl14])).
% 22.25/3.80 thf(not_sum_4, conjecture,
% 22.25/3.80 (sum @
% 22.25/3.80 additive_identity @ ( additive_inverse @ a ) @ ( additive_inverse @ b ))).
% 22.25/3.80 thf(zf_stmt_1, negated_conjecture,
% 22.25/3.80 (~( sum @
% 22.25/3.80 additive_identity @ ( additive_inverse @ a ) @ ( additive_inverse @ b ) )),
% 22.25/3.80 inference('cnf.neg', [status(esa)], [not_sum_4])).
% 22.25/3.80 thf(zip_derived_cl29, plain,
% 22.25/3.80 (~ (sum @ additive_identity @ (additive_inverse @ a) @
% 22.25/3.80 (additive_inverse @ b))),
% 22.25/3.80 inference('cnf', [status(esa)], [zf_stmt_1])).
% 22.25/3.80 thf(zip_derived_cl34367, plain,
% 22.25/3.80 ((~ (defined @ b)
% 22.25/3.80 | ~ (sum @ b @ (additive_inverse @ a) @ additive_identity))),
% 22.25/3.80 inference('s_sup-', [status(thm)],
% 22.25/3.80 [zip_derived_cl34305, zip_derived_cl29])).
% 22.25/3.80 thf(b_is_defined, axiom, (defined @ b)).
% 22.25/3.80 thf(zip_derived_cl27, plain, ( (defined @ b)),
% 22.25/3.80 inference('cnf', [status(esa)], [b_is_defined])).
% 22.25/3.80 thf(zip_derived_cl34396, plain,
% 22.25/3.80 (~ (sum @ b @ (additive_inverse @ a) @ additive_identity)),
% 22.25/3.80 inference('demod', [status(thm)], [zip_derived_cl34367, zip_derived_cl27])).
% 22.25/3.80 thf(zip_derived_cl34903, plain,
% 22.25/3.80 (~ (sum @ additive_identity @ additive_identity @ additive_identity)),
% 22.25/3.80 inference('s_sup-', [status(thm)],
% 22.25/3.80 [zip_derived_cl855, zip_derived_cl34396])).
% 22.25/3.80 thf(zip_derived_cl52, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 (~ (defined @ X0)
% 22.25/3.80 | (sum @ X0 @ (additive_inverse @ X0) @ additive_identity))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl4])).
% 22.25/3.80 thf(zip_derived_cl52, plain,
% 22.25/3.80 (![X0 : $i]:
% 22.25/3.80 (~ (defined @ X0)
% 22.25/3.80 | (sum @ X0 @ (additive_inverse @ X0) @ additive_identity))),
% 22.25/3.80 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl4])).
% 22.25/3.80 thf(zip_derived_cl2, plain,
% 22.25/3.80 (![X0 : $i]: ( (sum @ additive_identity @ X0 @ X0) | ~ (defined @ X0))),
% 22.25/3.80 inference('cnf', [status(esa)], [existence_of_identity_addition])).
% 22.25/3.80 thf(zip_derived_cl28, plain, ( (sum @ additive_identity @ a @ b)),
% 22.25/3.81 inference('cnf', [status(esa)], [zf_stmt_0])).
% 22.25/3.81 thf(zip_derived_cl4, plain,
% 22.25/3.81 (![X0 : $i, X1 : $i, X2 : $i]:
% 22.25/3.81 ( (sum @ X0 @ X1 @ X2) | ~ (sum @ X1 @ X0 @ X2))),
% 22.25/3.81 inference('cnf', [status(esa)], [commutativity_addition])).
% 22.25/3.81 thf(zip_derived_cl34, plain, ( (sum @ a @ additive_identity @ b)),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl28, zip_derived_cl4])).
% 22.25/3.81 thf(associativity_addition_1, axiom,
% 22.25/3.81 (( sum @ X @ V @ W ) | ( ~( sum @ X @ Y @ U ) ) |
% 22.25/3.81 ( ~( sum @ Y @ Z @ V ) ) | ( ~( sum @ U @ Z @ W ) ))).
% 22.25/3.81 thf(zip_derived_cl0, plain,
% 22.25/3.81 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 22.25/3.81 ( (sum @ X0 @ X1 @ X2)
% 22.25/3.81 | ~ (sum @ X0 @ X3 @ X4)
% 22.25/3.81 | ~ (sum @ X3 @ X5 @ X1)
% 22.25/3.81 | ~ (sum @ X4 @ X5 @ X2))),
% 22.25/3.81 inference('cnf', [status(esa)], [associativity_addition_1])).
% 22.25/3.81 thf(zip_derived_cl37, plain,
% 22.25/3.81 (![X0 : $i, X1 : $i, X2 : $i]:
% 22.25/3.81 ( (sum @ a @ X1 @ X0)
% 22.25/3.81 | ~ (sum @ additive_identity @ X2 @ X1)
% 22.25/3.81 | ~ (sum @ b @ X2 @ X0))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl34, zip_derived_cl0])).
% 22.25/3.81 thf(zip_derived_cl77, plain,
% 22.25/3.81 (![X0 : $i, X1 : $i]:
% 22.25/3.81 (~ (defined @ X0) | (sum @ a @ X0 @ X1) | ~ (sum @ b @ X0 @ X1))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl37])).
% 22.25/3.81 thf(zip_derived_cl93, plain,
% 22.25/3.81 ((~ (defined @ b)
% 22.25/3.81 | ~ (defined @ (additive_inverse @ b))
% 22.25/3.81 | (sum @ a @ (additive_inverse @ b) @ additive_identity))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl52, zip_derived_cl77])).
% 22.25/3.81 thf(zip_derived_cl27, plain, ( (defined @ b)),
% 22.25/3.81 inference('cnf', [status(esa)], [b_is_defined])).
% 22.25/3.81 thf(zip_derived_cl95, plain,
% 22.25/3.81 ((~ (defined @ (additive_inverse @ b))
% 22.25/3.81 | (sum @ a @ (additive_inverse @ b) @ additive_identity))),
% 22.25/3.81 inference('demod', [status(thm)], [zip_derived_cl93, zip_derived_cl27])).
% 22.25/3.81 thf(zip_derived_cl98, plain,
% 22.25/3.81 (( (sum @ a @ (additive_inverse @ b) @ additive_identity))
% 22.25/3.81 <= (( (sum @ a @ (additive_inverse @ b) @ additive_identity)))),
% 22.25/3.81 inference('split', [status(esa)], [zip_derived_cl95])).
% 22.25/3.81 thf(zip_derived_cl14, plain,
% 22.25/3.81 (![X0 : $i]: ( (defined @ (additive_inverse @ X0)) | ~ (defined @ X0))),
% 22.25/3.81 inference('cnf', [status(esa)], [well_definedness_of_additive_inverse])).
% 22.25/3.81 thf(zip_derived_cl99, plain,
% 22.25/3.81 ((~ (defined @ (additive_inverse @ b)))
% 22.25/3.81 <= (~ ( (defined @ (additive_inverse @ b))))),
% 22.25/3.81 inference('split', [status(esa)], [zip_derived_cl95])).
% 22.25/3.81 thf(zip_derived_cl108, plain,
% 22.25/3.81 ((~ (defined @ b)) <= (~ ( (defined @ (additive_inverse @ b))))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl14, zip_derived_cl99])).
% 22.25/3.81 thf(zip_derived_cl27, plain, ( (defined @ b)),
% 22.25/3.81 inference('cnf', [status(esa)], [b_is_defined])).
% 22.25/3.81 thf('0', plain, (( (defined @ (additive_inverse @ b)))),
% 22.25/3.81 inference('demod', [status(thm)], [zip_derived_cl108, zip_derived_cl27])).
% 22.25/3.81 thf('1', plain,
% 22.25/3.81 (( (sum @ a @ (additive_inverse @ b) @ additive_identity)) |
% 22.25/3.81 ~ ( (defined @ (additive_inverse @ b)))),
% 22.25/3.81 inference('split', [status(esa)], [zip_derived_cl95])).
% 22.25/3.81 thf('2', plain, (( (sum @ a @ (additive_inverse @ b) @ additive_identity))),
% 22.25/3.81 inference('sat_resolution*', [status(thm)], ['0', '1'])).
% 22.25/3.81 thf(zip_derived_cl111, plain,
% 22.25/3.81 ( (sum @ a @ (additive_inverse @ b) @ additive_identity)),
% 22.25/3.81 inference('simpl_trail', [status(thm)], [zip_derived_cl98, '2'])).
% 22.25/3.81 thf(zip_derived_cl28, plain, ( (sum @ additive_identity @ a @ b)),
% 22.25/3.81 inference('cnf', [status(esa)], [zf_stmt_0])).
% 22.25/3.81 thf(zip_derived_cl0, plain,
% 22.25/3.81 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 22.25/3.81 ( (sum @ X0 @ X1 @ X2)
% 22.25/3.81 | ~ (sum @ X0 @ X3 @ X4)
% 22.25/3.81 | ~ (sum @ X3 @ X5 @ X1)
% 22.25/3.81 | ~ (sum @ X4 @ X5 @ X2))),
% 22.25/3.81 inference('cnf', [status(esa)], [associativity_addition_1])).
% 22.25/3.81 thf(zip_derived_cl30, plain,
% 22.25/3.81 (![X0 : $i, X1 : $i, X2 : $i]:
% 22.25/3.81 ( (sum @ additive_identity @ X1 @ X0)
% 22.25/3.81 | ~ (sum @ a @ X2 @ X1)
% 22.25/3.81 | ~ (sum @ b @ X2 @ X0))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl28, zip_derived_cl0])).
% 22.25/3.81 thf(zip_derived_cl132, plain,
% 22.25/3.81 (![X0 : $i]:
% 22.25/3.81 ( (sum @ additive_identity @ additive_identity @ X0)
% 22.25/3.81 | ~ (sum @ b @ (additive_inverse @ b) @ X0))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl111, zip_derived_cl30])).
% 22.25/3.81 thf(zip_derived_cl149, plain,
% 22.25/3.81 ((~ (defined @ b)
% 22.25/3.81 | (sum @ additive_identity @ additive_identity @ additive_identity))),
% 22.25/3.81 inference('s_sup-', [status(thm)], [zip_derived_cl52, zip_derived_cl132])).
% 22.25/3.81 thf(zip_derived_cl27, plain, ( (defined @ b)),
% 22.25/3.81 inference('cnf', [status(esa)], [b_is_defined])).
% 22.25/3.81 thf(zip_derived_cl150, plain,
% 22.25/3.81 ( (sum @ additive_identity @ additive_identity @ additive_identity)),
% 22.25/3.81 inference('demod', [status(thm)], [zip_derived_cl149, zip_derived_cl27])).
% 22.25/3.81 thf(zip_derived_cl34904, plain, ($false),
% 22.25/3.81 inference('demod', [status(thm)],
% 22.25/3.81 [zip_derived_cl34903, zip_derived_cl150])).
% 22.25/3.81
% 22.25/3.81 % SZS output end Refutation
% 22.25/3.81
% 22.25/3.81
% 22.25/3.81 % Terminating...
% 22.79/3.88 % Runner terminated.
% 22.79/3.89 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------