%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : GRP020-1 : TPTP v9.2.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.CuJ091erf8 true
% Computer : n026.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 04:35:26 PM UTC 2025
% Result : Unsatisfiable 0.47s 2.34s
% Output : Refutation 0.47s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.97 % Problem : GRP020-1 : TPTP v9.2.0. Released v1.0.0.
% 0.10/1.06 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.CuJ091erf8 true
% 0.13/1.46 % Computer : n026.cluster.edu
% 0.13/1.46 % Model : x86_64 x86_64
% 0.13/1.46 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/1.46 % Memory : 8042.1875MB
% 0.13/1.46 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/1.46 % CPULimit : 300
% 0.13/1.46 % WCLimit : 300
% 0.13/1.46 % DateTime : Wed Oct 1 14:18:09 EDT 2025
% 0.13/1.46 % CPUTime :
% 0.13/1.46 % Running portfolio for 300 s
% 0.13/1.46 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/1.47 % Number of cores: 8
% 0.16/1.49 % Python version: Python 3.6.8
% 0.16/1.50 % Running in FO mode
% 0.45/1.96 % Total configuration time : 435
% 0.45/1.96 % Estimated wc time : 1092
% 0.45/1.96 % Estimated cpu time (7 cpus) : 156.0
% 0.45/2.14 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.45/2.21 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.46/2.29 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.47/2.34 % Solved by fo/fo6_bce.sh.
% 0.47/2.34 % BCE start: 9
% 0.47/2.34 % BCE eliminated: 0
% 0.47/2.34 % PE start: 9
% 0.47/2.34 logic: eq
% 0.47/2.34 % PE eliminated: 0
% 0.47/2.34 % done 18 iterations in 0.027s
% 0.47/2.34 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.47/2.34 % SZS output start Refutation
% 0.47/2.34 thf(inverse_type, type, inverse: $i > $i).
% 0.47/2.34 thf(product_type, type, product: $i > $i > $i > $o).
% 0.47/2.34 thf(identity_type, type, identity: $i).
% 0.47/2.34 thf(a_type, type, a: $i).
% 0.47/2.34 thf(multiply_type, type, multiply: $i > $i > $i).
% 0.47/2.34 thf(prove_inverse_X_times_X_is_id, conjecture,
% 0.47/2.34 (( multiply @ ( inverse @ a ) @ a ) = ( identity ))).
% 0.47/2.34 thf(zf_stmt_0, negated_conjecture,
% 0.47/2.34 (( multiply @ ( inverse @ a ) @ a ) != ( identity )),
% 0.47/2.34 inference('cnf.neg', [status(esa)], [prove_inverse_X_times_X_is_id])).
% 0.47/2.34 thf(zip_derived_cl8, plain, (((multiply @ (inverse @ a) @ a) != (identity))),
% 0.47/2.34 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.47/2.34 thf(left_inverse, axiom, (product @ ( inverse @ X ) @ X @ identity)).
% 0.47/2.34 thf(zip_derived_cl2, plain,
% 0.47/2.34 (![X0 : $i]: (product @ (inverse @ X0) @ X0 @ identity)),
% 0.47/2.34 inference('cnf', [status(esa)], [left_inverse])).
% 0.47/2.34 thf(total_function1, axiom, (product @ X @ Y @ ( multiply @ X @ Y ))).
% 0.47/2.34 thf(zip_derived_cl4, plain,
% 0.47/2.34 (![X0 : $i, X1 : $i]: (product @ X0 @ X1 @ (multiply @ X0 @ X1))),
% 0.47/2.34 inference('cnf', [status(esa)], [total_function1])).
% 0.47/2.34 thf(total_function2, axiom,
% 0.47/2.34 (( ~( product @ X @ Y @ Z ) ) | ( ~( product @ X @ Y @ W ) ) |
% 0.47/2.34 ( ( Z ) = ( W ) ))).
% 0.47/2.34 thf(zip_derived_cl5, plain,
% 0.47/2.34 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.47/2.34 (~ (product @ X0 @ X1 @ X2)
% 0.47/2.34 | ~ (product @ X0 @ X1 @ X3)
% 0.47/2.34 | ((X2) = (X3)))),
% 0.47/2.34 inference('cnf', [status(esa)], [total_function2])).
% 0.47/2.34 thf(zip_derived_cl39, plain,
% 0.47/2.34 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/2.34 (~ (product @ X1 @ X0 @ X2) | ((multiply @ X1 @ X0) = (X2)))),
% 0.47/2.34 inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl5])).
% 0.47/2.34 thf(zip_derived_cl72, plain,
% 0.47/2.34 (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (identity))),
% 0.47/2.34 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl39])).
% 0.47/2.34 thf(zip_derived_cl78, plain, (((identity) != (identity))),
% 0.47/2.35 inference('demod', [status(thm)], [zip_derived_cl8, zip_derived_cl72])).
% 0.47/2.35 thf(zip_derived_cl79, plain, ($false),
% 0.47/2.35 inference('simplify', [status(thm)], [zip_derived_cl78])).
% 0.47/2.35
% 0.47/2.35 % SZS output end Refutation
% 0.47/2.35
% 0.47/2.35
% 0.47/2.35 % Terminating...
% 1.33/2.73 % Runner terminated.
% 1.33/2.74 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------