%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : COL109-2 : TPTP v9.2.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.266aEM9UoM true
% Computer : n020.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 04:30:26 PM UTC 2025
% Result : Unsatisfiable 0.62s 0.80s
% Output : Refutation 0.62s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13 % Problem : COL109-2 : TPTP v9.2.0. Released v3.2.0.
% 0.12/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.266aEM9UoM true
% 0.14/0.35 % Computer : n020.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36 % CPULimit : 300
% 0.14/0.36 % WCLimit : 300
% 0.14/0.36 % DateTime : Wed Oct 1 11:02:08 EDT 2025
% 0.14/0.36 % CPUTime :
% 0.14/0.36 % Running portfolio for 300 s
% 0.14/0.36 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.36 % Number of cores: 8
% 0.14/0.36 % Python version: Python 3.6.8
% 0.14/0.36 % Running in FO mode
% 0.57/0.67 % Total configuration time : 435
% 0.57/0.67 % Estimated wc time : 1092
% 0.57/0.67 % Estimated cpu time (7 cpus) : 156.0
% 0.62/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.62/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.62/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.62/0.78 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.62/0.80 % Solved by fo/fo3_bce.sh.
% 0.62/0.80 % BCE start: 6
% 0.62/0.80 % BCE eliminated: 0
% 0.62/0.80 % PE start: 6
% 0.62/0.80 logic: neq
% 0.62/0.80 % PE eliminated: 0
% 0.62/0.80 % done 9 iterations in 0.013s
% 0.62/0.80 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.62/0.80 % SZS output start Refutation
% 0.62/0.80 thf(c_in_type, type, c_in: $i > $i > $i > $o).
% 0.62/0.80 thf(tc_Comb_Ocomb_type, type, tc_Comb_Ocomb: $i).
% 0.62/0.80 thf(v_xb_type, type, v_xb: $i).
% 0.62/0.80 thf(c_Comb_Oparcontract_type, type, c_Comb_Oparcontract: $i).
% 0.62/0.80 thf(v_y_Ha_type, type, v_y_Ha: $i).
% 0.62/0.80 thf(v_yb_type, type, v_yb: $i).
% 0.62/0.80 thf(tc_prod_type, type, tc_prod: $i > $i > $i).
% 0.62/0.80 thf(c_Pair_type, type, c_Pair: $i > $i > $i > $i > $i).
% 0.62/0.80 thf(v_x_H_type, type, v_x_H: $i).
% 0.62/0.80 thf(c_Comb_Ocomb_OS_type, type, c_Comb_Ocomb_OS: $i).
% 0.62/0.80 thf(c_Comb_Ocomb_Oop_A_D_D_type, type, c_Comb_Ocomb_Oop_A_D_D: $i > $i > $i).
% 0.62/0.80 thf(v_z_type, type, v_z: $i).
% 0.62/0.80 thf(v_w_type, type, v_w: $i).
% 0.62/0.80 thf(cls_Comb_Oparcontract_Ointros__4_0, axiom,
% 0.62/0.80 (( ~( c_in @
% 0.62/0.80 ( c_Pair @ V_z @ V_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ) ) |
% 0.62/0.80 ( ~( c_in @
% 0.62/0.80 ( c_Pair @ V_x @ V_y @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ) ) |
% 0.62/0.80 ( c_in @
% 0.62/0.80 ( c_Pair @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ V_x @ V_z ) @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ V_y @ V_w ) @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ))).
% 0.62/0.80 thf(zip_derived_cl5, plain,
% 0.62/0.80 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.62/0.80 (~ (c_in @ (c_Pair @ X0 @ X1 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.80 | ~ (c_in @ (c_Pair @ X2 @ X3 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.80 | (c_in @
% 0.62/0.80 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ X2 @ X0) @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ X3 @ X1) @ tc_Comb_Ocomb @
% 0.62/0.80 tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.80 inference('cnf', [status(esa)], [cls_Comb_Oparcontract_Ointros__4_0])).
% 0.62/0.80 thf(zip_derived_cl5, plain,
% 0.62/0.80 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.62/0.80 (~ (c_in @ (c_Pair @ X0 @ X1 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.80 | ~ (c_in @ (c_Pair @ X2 @ X3 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.80 | (c_in @
% 0.62/0.80 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ X2 @ X0) @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ X3 @ X1) @ tc_Comb_Ocomb @
% 0.62/0.80 tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.80 inference('cnf', [status(esa)], [cls_Comb_Oparcontract_Ointros__4_0])).
% 0.62/0.80 thf(cls_Comb_Oparcontract_Ointros__3_0, axiom,
% 0.62/0.80 (c_in @
% 0.62/0.80 ( c_Pair @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ c_Comb_Ocomb_OS @ V_x ) @ V_y ) @
% 0.62/0.80 V_z ) @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ V_x @ V_z ) @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ V_y @ V_z ) ) @
% 0.62/0.80 tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ))).
% 0.62/0.80 thf(zip_derived_cl4, plain,
% 0.62/0.80 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.62/0.80 (c_in @
% 0.62/0.80 (c_Pair @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ c_Comb_Ocomb_OS @ X0) @ X1) @
% 0.62/0.80 X2) @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ (c_Comb_Ocomb_Oop_A_D_D @ X0 @ X2) @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ X1 @ X2)) @
% 0.62/0.80 tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.80 inference('cnf', [status(esa)], [cls_Comb_Oparcontract_Ointros__3_0])).
% 0.62/0.80 thf(cls_conjecture_3, conjecture,
% 0.62/0.80 (~( ( ~( c_in @
% 0.62/0.80 ( c_Pair @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ c_Comb_Ocomb_OS @ v_x_H ) @
% 0.62/0.80 v_y_Ha ) @
% 0.62/0.80 v_w ) @
% 0.62/0.80 V_U @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ) ) |
% 0.62/0.80 ( ~( c_in @
% 0.62/0.80 ( c_Pair @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z ) @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ v_yb @ v_z ) ) @
% 0.62/0.80 V_U @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ) ) ))).
% 0.62/0.80 thf(zf_stmt_0, negated_conjecture,
% 0.62/0.80 (( ~( c_in @
% 0.62/0.80 ( c_Pair @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ c_Comb_Ocomb_OS @ v_x_H ) @ v_y_Ha ) @
% 0.62/0.80 v_w ) @
% 0.62/0.80 V_U @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ) ) |
% 0.62/0.80 ( ~( c_in @
% 0.62/0.80 ( c_Pair @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z ) @
% 0.62/0.80 ( c_Comb_Ocomb_Oop_A_D_D @ v_yb @ v_z ) ) @
% 0.62/0.80 V_U @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.80 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ) )),
% 0.62/0.80 inference('cnf.neg', [status(esa)], [cls_conjecture_3])).
% 0.62/0.80 thf(zip_derived_cl3, plain,
% 0.62/0.80 (![X0 : $i]:
% 0.62/0.80 (~ (c_in @
% 0.62/0.80 (c_Pair @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ c_Comb_Ocomb_OS @ v_x_H) @ v_y_Ha) @
% 0.62/0.80 v_w) @
% 0.62/0.80 X0 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.80 | ~ (c_in @
% 0.62/0.80 (c_Pair @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z) @
% 0.62/0.80 (c_Comb_Ocomb_Oop_A_D_D @ v_yb @ v_z)) @
% 0.62/0.80 X0 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.80 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.80 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.62/0.81 thf(zip_derived_cl8, plain,
% 0.62/0.81 (~ (c_in @
% 0.62/0.81 (c_Pair @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ (c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ v_yb @ v_z)) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ (c_Comb_Ocomb_Oop_A_D_D @ v_x_H @ v_w) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ v_y_Ha @ v_w)) @
% 0.62/0.81 tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.81 inference('sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl3])).
% 0.62/0.81 thf(zip_derived_cl5, plain,
% 0.62/0.81 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.62/0.81 (~ (c_in @ (c_Pair @ X0 @ X1 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.81 | ~ (c_in @ (c_Pair @ X2 @ X3 @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.81 | (c_in @
% 0.62/0.81 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ X2 @ X0) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ X3 @ X1) @ tc_Comb_Ocomb @
% 0.62/0.81 tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.81 inference('cnf', [status(esa)], [cls_Comb_Oparcontract_Ointros__4_0])).
% 0.62/0.81 thf(zip_derived_cl10, plain,
% 0.62/0.81 ((~ (c_in @
% 0.62/0.81 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ v_x_H @ v_w) @ tc_Comb_Ocomb @
% 0.62/0.81 tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.81 | ~ (c_in @
% 0.62/0.81 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ v_yb @ v_z) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ v_y_Ha @ v_w) @ tc_Comb_Ocomb @
% 0.62/0.81 tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.81 inference('sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl5])).
% 0.62/0.81 thf(zip_derived_cl13, plain,
% 0.62/0.81 ((~ (c_in @ (c_Pair @ v_yb @ v_y_Ha @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.81 | ~ (c_in @ (c_Pair @ v_z @ v_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.81 | ~ (c_in @
% 0.62/0.81 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ v_x_H @ v_w) @ tc_Comb_Ocomb @
% 0.62/0.81 tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.81 inference('sup-', [status(thm)], [zip_derived_cl5, zip_derived_cl10])).
% 0.62/0.81 thf(cls_conjecture_2, conjecture,
% 0.62/0.81 (~( c_in @
% 0.62/0.81 ( c_Pair @ v_yb @ v_y_Ha @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.81 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ))).
% 0.62/0.81 thf(zf_stmt_1, negated_conjecture,
% 0.62/0.81 (c_in @
% 0.62/0.81 ( c_Pair @ v_yb @ v_y_Ha @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.81 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb )),
% 0.62/0.81 inference('cnf.neg', [status(esa)], [cls_conjecture_2])).
% 0.62/0.81 thf(zip_derived_cl2, plain,
% 0.62/0.81 ( (c_in @ (c_Pair @ v_yb @ v_y_Ha @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.81 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.62/0.81 thf(cls_conjecture_0, conjecture,
% 0.62/0.81 (~( c_in @
% 0.62/0.81 ( c_Pair @ v_z @ v_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.81 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ))).
% 0.62/0.81 thf(zf_stmt_2, negated_conjecture,
% 0.62/0.81 (c_in @
% 0.62/0.81 ( c_Pair @ v_z @ v_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.81 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb )),
% 0.62/0.81 inference('cnf.neg', [status(esa)], [cls_conjecture_0])).
% 0.62/0.81 thf(zip_derived_cl0, plain,
% 0.62/0.81 ( (c_in @ (c_Pair @ v_z @ v_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.81 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.62/0.81 thf(zip_derived_cl14, plain,
% 0.62/0.81 (~ (c_in @
% 0.62/0.81 (c_Pair @ (c_Comb_Ocomb_Oop_A_D_D @ v_xb @ v_z) @
% 0.62/0.81 (c_Comb_Ocomb_Oop_A_D_D @ v_x_H @ v_w) @ tc_Comb_Ocomb @
% 0.62/0.81 tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.81 inference('demod', [status(thm)],
% 0.62/0.81 [zip_derived_cl13, zip_derived_cl2, zip_derived_cl0])).
% 0.62/0.81 thf(zip_derived_cl17, plain,
% 0.62/0.81 ((~ (c_in @ (c_Pair @ v_xb @ v_x_H @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))
% 0.62/0.81 | ~ (c_in @ (c_Pair @ v_z @ v_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb)))),
% 0.62/0.81 inference('sup-', [status(thm)], [zip_derived_cl5, zip_derived_cl14])).
% 0.62/0.81 thf(cls_conjecture_1, conjecture,
% 0.62/0.81 (~( c_in @
% 0.62/0.81 ( c_Pair @ v_xb @ v_x_H @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.81 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) ))).
% 0.62/0.81 thf(zf_stmt_3, negated_conjecture,
% 0.62/0.81 (c_in @
% 0.62/0.81 ( c_Pair @ v_xb @ v_x_H @ tc_Comb_Ocomb @ tc_Comb_Ocomb ) @
% 0.62/0.81 c_Comb_Oparcontract @ ( tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb )),
% 0.62/0.81 inference('cnf.neg', [status(esa)], [cls_conjecture_1])).
% 0.62/0.81 thf(zip_derived_cl1, plain,
% 0.62/0.81 ( (c_in @ (c_Pair @ v_xb @ v_x_H @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.81 inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.62/0.81 thf(zip_derived_cl0, plain,
% 0.62/0.81 ( (c_in @ (c_Pair @ v_z @ v_w @ tc_Comb_Ocomb @ tc_Comb_Ocomb) @
% 0.62/0.81 c_Comb_Oparcontract @ (tc_prod @ tc_Comb_Ocomb @ tc_Comb_Ocomb))),
% 0.62/0.81 inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.62/0.81 thf(zip_derived_cl18, plain, ($false),
% 0.62/0.81 inference('demod', [status(thm)],
% 0.62/0.81 [zip_derived_cl17, zip_derived_cl1, zip_derived_cl0])).
% 0.62/0.81
% 0.62/0.81 % SZS output end Refutation
% 0.62/0.81
% 0.62/0.81
% 0.62/0.81 % Terminating...
% 1.71/0.89 % Runner terminated.
% 1.71/0.91 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------