%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : COM220_1 : TPTP v9.3.0. Released v9.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.OikaFyguki true
% Computer : n006.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 : Tue May 5 06:23:19 PM UTC 2026
% Result : Theorem 4.37s 1.26s
% Output : Refutation 4.37s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : COM220_1 : TPTP v9.3.0. Released v9.3.0.
% 0.12/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.OikaFyguki true
% 0.16/0.34 % Computer : n006.cluster.edu
% 0.16/0.34 % Model : x86_64 x86_64
% 0.16/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34 % Memory : 8042.1875MB
% 0.16/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34 % CPULimit : 300
% 0.16/0.34 % WCLimit : 300
% 0.16/0.34 % DateTime : Mon May 4 19:03:01 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.34 % Running portfolio for 300 s
% 0.16/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/0.34 % Number of cores: 8
% 0.16/0.34 % Python version: Python 3.6.8
% 0.16/0.35 % Running in FO mode
% 0.54/0.64 % Total configuration time : 435
% 0.54/0.64 % Estimated wc time : 1092
% 0.54/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.55/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.55/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.55/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.55/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.55/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.55/0.76 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.55/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 4.37/1.26 % Solved by fo/fo13.sh.
% 4.37/1.26 % done 623 iterations in 0.488s
% 4.37/1.26 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 4.37/1.26 % SZS output start Refutation
% 4.37/1.26 thf(vOptTerm_type, type, vOptTerm: $tType).
% 4.37/1.26 thf(vTerm_type, type, vTerm: $tType).
% 4.37/1.26 thf(vTy_type, type, vTy: $tType).
% 4.37/1.26 thf(vB_type, type, vB: vTy).
% 4.37/1.26 thf(sk__32_type, type, sk__32: vTerm > vTerm).
% 4.37/1.26 thf(vSucc_type, type, vSucc: vTerm > vTerm).
% 4.37/1.26 thf(sk__97_type, type, sk__97: vTy).
% 4.37/1.26 thf(vnoTerm_type, type, vnoTerm: vOptTerm).
% 4.37/1.26 thf(vIszero_type, type, vIszero: vTerm > vTerm).
% 4.37/1.26 thf(sk__8_type, type, sk__8: vOptTerm > vTerm).
% 4.37/1.26 thf(vt1_type, type, vt1: vTerm).
% 4.37/1.26 thf(vreduce_type, type, vreduce: vTerm > vOptTerm).
% 4.37/1.26 thf(vsomeTerm_type, type, vsomeTerm: vTerm > vOptTerm).
% 4.37/1.26 thf(vptchecksimple_type, type, vptchecksimple: vTerm > vTy > $o).
% 4.37/1.26 thf(vZero_type, type, vZero: vTerm).
% 4.37/1.26 thf(vNat_type, type, vNat: vTy).
% 4.37/1.26 thf(vgetTerm_type, type, vgetTerm: vOptTerm > vTerm).
% 4.37/1.26 thf(visSomeTerm_type, type, visSomeTerm: vOptTerm > $o).
% 4.37/1.26 thf(sk__98_type, type, sk__98: vTerm).
% 4.37/1.26 thf('Preservation-Iszero-t1-isSomeTerm-True', conjecture,
% 4.37/1.26 (![VT:vTy,Vtres:vTerm]:
% 4.37/1.26 ( ( ( visSomeTerm @ ( vreduce @ vt1 ) ) & ( ( vt1 ) != ( vZero ) ) &
% 4.37/1.26 ( ![Vnv00:vTerm]: ( ( vt1 ) != ( vSucc @ Vnv00 ) ) ) &
% 4.37/1.26 ( vptchecksimple @ ( vIszero @ vt1 ) @ VT ) &
% 4.37/1.26 ( ( vreduce @ ( vIszero @ vt1 ) ) = ( vsomeTerm @ Vtres ) ) ) =>
% 4.37/1.26 ( vptchecksimple @ Vtres @ VT ) ))).
% 4.37/1.26 thf(zf_stmt_0, negated_conjecture,
% 4.37/1.26 (~( ![VT:vTy,Vtres:vTerm]:
% 4.37/1.26 ( ( ( visSomeTerm @ ( vreduce @ vt1 ) ) & ( ( vt1 ) != ( vZero ) ) &
% 4.37/1.26 ( ![Vnv00:vTerm]: ( ( vt1 ) != ( vSucc @ Vnv00 ) ) ) &
% 4.37/1.26 ( vptchecksimple @ ( vIszero @ vt1 ) @ VT ) &
% 4.37/1.26 ( ( vreduce @ ( vIszero @ vt1 ) ) = ( vsomeTerm @ Vtres ) ) ) =>
% 4.37/1.26 ( vptchecksimple @ Vtres @ VT ) ) )),
% 4.37/1.26 inference('cnf.neg', [status(esa)],
% 4.37/1.26 [Preservation-Iszero-t1-isSomeTerm-True])).
% 4.37/1.26 thf(zip_derived_cl264, plain, ( (visSomeTerm @ (vreduce @ vt1))),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf('dom-OptTerm', axiom,
% 4.37/1.26 (![VX:vOptTerm]:
% 4.37/1.26 ( ( ?[VTerm0:vTerm]: ( ( VX ) = ( vsomeTerm @ VTerm0 ) ) ) |
% 4.37/1.26 ( ( VX ) = ( vnoTerm ) ) ))).
% 4.37/1.26 thf(zip_derived_cl37, plain,
% 4.37/1.26 (![X0 : vOptTerm]:
% 4.37/1.26 (((X0) = (vsomeTerm @ (sk__8 @ X0))) | ((X0) = (vnoTerm)))),
% 4.37/1.26 inference('cnf', [status(esa)], [dom-OptTerm])).
% 4.37/1.26 thf('getTerm-0', axiom,
% 4.37/1.26 (![Vt:vTerm]: ( ( vgetTerm @ ( vsomeTerm @ Vt ) ) = ( Vt ) ))).
% 4.37/1.26 thf(zip_derived_cl42, plain,
% 4.37/1.26 (![X0 : vTerm]: ((vgetTerm @ (vsomeTerm @ X0)) = (X0))),
% 4.37/1.26 inference('cnf', [status(esa)], [getTerm-0])).
% 4.37/1.26 thf(zip_derived_cl334, plain,
% 4.37/1.26 (![X0 : vOptTerm]:
% 4.37/1.26 (((X0) = (vnoTerm)) | ((vgetTerm @ X0) = (sk__8 @ X0)))),
% 4.37/1.26 inference('s_sup+', [status(thm)], [zip_derived_cl37, zip_derived_cl42])).
% 4.37/1.26 thf(zip_derived_cl37, plain,
% 4.37/1.26 (![X0 : vOptTerm]:
% 4.37/1.26 (((X0) = (vsomeTerm @ (sk__8 @ X0))) | ((X0) = (vnoTerm)))),
% 4.37/1.26 inference('cnf', [status(esa)], [dom-OptTerm])).
% 4.37/1.26 thf(zip_derived_cl1289, plain,
% 4.37/1.26 (![X0 : vOptTerm]:
% 4.37/1.26 (((X0) = (vnoTerm))
% 4.37/1.26 | ((X0) = (vsomeTerm @ (vgetTerm @ X0)))
% 4.37/1.26 | ((X0) = (vnoTerm)))),
% 4.37/1.26 inference('s_sup+', [status(thm)], [zip_derived_cl334, zip_derived_cl37])).
% 4.37/1.26 thf(zip_derived_cl1290, plain,
% 4.37/1.26 (![X0 : vOptTerm]:
% 4.37/1.26 (((X0) = (vsomeTerm @ (vgetTerm @ X0))) | ((X0) = (vnoTerm)))),
% 4.37/1.26 inference('simplify', [status(thm)], [zip_derived_cl1289])).
% 4.37/1.26 thf(zip_derived_cl264, plain, ( (visSomeTerm @ (vreduce @ vt1))),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf('reduce-16', axiom,
% 4.37/1.26 (![Vt1:vTerm]:
% 4.37/1.26 ( ( ( ( Vt1 ) != ( vZero ) ) &
% 4.37/1.26 ( ![Vnv00:vTerm]: ( ( Vt1 ) != ( vSucc @ Vnv00 ) ) ) &
% 4.37/1.26 ( visSomeTerm @ ( vreduce @ Vt1 ) ) ) =>
% 4.37/1.26 ( ( vreduce @ ( vIszero @ Vt1 ) ) =
% 4.37/1.26 ( vsomeTerm @ ( vIszero @ ( vgetTerm @ ( vreduce @ Vt1 ) ) ) ) ) ))).
% 4.37/1.26 thf(zip_derived_cl114, plain,
% 4.37/1.26 (![X0 : vTerm]:
% 4.37/1.26 (((vreduce @ (vIszero @ X0))
% 4.37/1.26 = (vsomeTerm @ (vIszero @ (vgetTerm @ (vreduce @ X0)))))
% 4.37/1.26 | ~ (visSomeTerm @ (vreduce @ X0))
% 4.37/1.26 | ((X0) = (vSucc @ (sk__32 @ X0)))
% 4.37/1.26 | ((X0) = (vZero)))),
% 4.37/1.26 inference('cnf', [status(esa)], [reduce-16])).
% 4.37/1.26 thf(zip_derived_cl3277, plain,
% 4.37/1.26 ((((vreduce @ (vIszero @ vt1))
% 4.37/1.26 = (vsomeTerm @ (vIszero @ (vgetTerm @ (vreduce @ vt1)))))
% 4.37/1.26 | ((vt1) = (vSucc @ (sk__32 @ vt1)))
% 4.37/1.26 | ((vt1) = (vZero)))),
% 4.37/1.26 inference('s_sup-', [status(thm)], [zip_derived_cl264, zip_derived_cl114])).
% 4.37/1.26 thf(zip_derived_cl263, plain,
% 4.37/1.26 (((vreduce @ (vIszero @ vt1)) = (vsomeTerm @ sk__98))),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf(zip_derived_cl3359, plain,
% 4.37/1.26 ((((vsomeTerm @ sk__98)
% 4.37/1.26 = (vsomeTerm @ (vIszero @ (vgetTerm @ (vreduce @ vt1)))))
% 4.37/1.26 | ((vt1) = (vSucc @ (sk__32 @ vt1)))
% 4.37/1.26 | ((vt1) = (vZero)))),
% 4.37/1.26 inference('demod', [status(thm)], [zip_derived_cl3277, zip_derived_cl263])).
% 4.37/1.26 thf(zip_derived_cl265, plain, (((vt1) != (vZero))),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf(zip_derived_cl266, plain, (![X0 : vTerm]: ((vt1) != (vSucc @ X0))),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf(zip_derived_cl3360, plain,
% 4.37/1.26 (((vsomeTerm @ sk__98)
% 4.37/1.26 = (vsomeTerm @ (vIszero @ (vgetTerm @ (vreduce @ vt1)))))),
% 4.37/1.26 inference('simplify_reflect-', [status(thm)],
% 4.37/1.26 [zip_derived_cl3359, zip_derived_cl265, zip_derived_cl266])).
% 4.37/1.26 thf(zip_derived_cl42, plain,
% 4.37/1.26 (![X0 : vTerm]: ((vgetTerm @ (vsomeTerm @ X0)) = (X0))),
% 4.37/1.26 inference('cnf', [status(esa)], [getTerm-0])).
% 4.37/1.26 thf(zip_derived_cl3762, plain,
% 4.37/1.26 (((vgetTerm @ (vsomeTerm @ sk__98))
% 4.37/1.26 = (vIszero @ (vgetTerm @ (vreduce @ vt1))))),
% 4.37/1.26 inference('s_sup+', [status(thm)], [zip_derived_cl3360, zip_derived_cl42])).
% 4.37/1.26 thf(zip_derived_cl42, plain,
% 4.37/1.26 (![X0 : vTerm]: ((vgetTerm @ (vsomeTerm @ X0)) = (X0))),
% 4.37/1.26 inference('cnf', [status(esa)], [getTerm-0])).
% 4.37/1.26 thf(zip_derived_cl3772, plain,
% 4.37/1.26 (((sk__98) = (vIszero @ (vgetTerm @ (vreduce @ vt1))))),
% 4.37/1.26 inference('demod', [status(thm)], [zip_derived_cl3762, zip_derived_cl42])).
% 4.37/1.26 thf(Tiszero, axiom,
% 4.37/1.26 (![Vt1:vTerm]:
% 4.37/1.26 ( ( vptchecksimple @ Vt1 @ vNat ) =>
% 4.37/1.26 ( vptchecksimple @ ( vIszero @ Vt1 ) @ vB ) ))).
% 4.37/1.26 thf(zip_derived_cl254, plain,
% 4.37/1.26 (![X0 : vTerm]:
% 4.37/1.26 ( (vptchecksimple @ (vIszero @ X0) @ vB)
% 4.37/1.26 | ~ (vptchecksimple @ X0 @ vNat))),
% 4.37/1.26 inference('cnf', [status(esa)], [Tiszero])).
% 4.37/1.26 thf(zip_derived_cl4044, plain,
% 4.37/1.26 (( (vptchecksimple @ sk__98 @ vB)
% 4.37/1.26 | ~ (vptchecksimple @ (vgetTerm @ (vreduce @ vt1)) @ vNat))),
% 4.37/1.26 inference('s_sup+', [status(thm)],
% 4.37/1.26 [zip_derived_cl3772, zip_derived_cl254])).
% 4.37/1.26 thf(zip_derived_cl262, plain, (~ (vptchecksimple @ sk__98 @ sk__97)),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf(zip_derived_cl267, plain, ( (vptchecksimple @ (vIszero @ vt1) @ sk__97)),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf(Tiszero_inv2, axiom,
% 4.37/1.26 (![Vt1:vTerm,VT:vTy]:
% 4.37/1.26 ( ( vptchecksimple @ ( vIszero @ Vt1 ) @ VT ) => ( ( VT ) = ( vB ) ) ))).
% 4.37/1.26 thf(zip_derived_cl256, plain,
% 4.37/1.26 (![X0 : vTy, X1 : vTerm]:
% 4.37/1.26 (((X0) = (vB)) | ~ (vptchecksimple @ (vIszero @ X1) @ X0))),
% 4.37/1.26 inference('cnf', [status(esa)], [Tiszero_inv2])).
% 4.37/1.26 thf(zip_derived_cl762, plain, (((sk__97) = (vB))),
% 4.37/1.26 inference('s_sup-', [status(thm)], [zip_derived_cl267, zip_derived_cl256])).
% 4.37/1.26 thf(zip_derived_cl767, plain, (~ (vptchecksimple @ sk__98 @ vB)),
% 4.37/1.26 inference('demod', [status(thm)], [zip_derived_cl262, zip_derived_cl762])).
% 4.37/1.26 thf(zip_derived_cl4053, plain,
% 4.37/1.26 (~ (vptchecksimple @ (vgetTerm @ (vreduce @ vt1)) @ vNat)),
% 4.37/1.26 inference('demod', [status(thm)], [zip_derived_cl4044, zip_derived_cl767])).
% 4.37/1.26 thf('Preservation-Iszero-IH0', axiom,
% 4.37/1.26 (![VT:vTy,Vtres:vTerm]:
% 4.37/1.26 ( ( ( vptchecksimple @ vt1 @ VT ) &
% 4.37/1.26 ( ( vreduce @ vt1 ) = ( vsomeTerm @ Vtres ) ) ) =>
% 4.37/1.26 ( vptchecksimple @ Vtres @ VT ) ))).
% 4.37/1.26 thf(zip_derived_cl261, plain,
% 4.37/1.26 (![X0 : vTy, X1 : vTerm]:
% 4.37/1.26 (~ (vptchecksimple @ vt1 @ X0)
% 4.37/1.26 | ((vreduce @ vt1) != (vsomeTerm @ X1))
% 4.37/1.26 | (vptchecksimple @ X1 @ X0))),
% 4.37/1.26 inference('cnf', [status(esa)], [Preservation-Iszero-IH0])).
% 4.37/1.26 thf(zip_derived_cl4360, plain,
% 4.37/1.26 ((~ (vptchecksimple @ vt1 @ vNat)
% 4.37/1.26 | ((vreduce @ vt1) != (vsomeTerm @ (vgetTerm @ (vreduce @ vt1)))))),
% 4.37/1.26 inference('s_sup+', [status(thm)],
% 4.37/1.26 [zip_derived_cl4053, zip_derived_cl261])).
% 4.37/1.26 thf(zip_derived_cl267, plain, ( (vptchecksimple @ (vIszero @ vt1) @ sk__97)),
% 4.37/1.26 inference('cnf', [status(esa)], [zf_stmt_0])).
% 4.37/1.26 thf(zip_derived_cl762, plain, (((sk__97) = (vB))),
% 4.37/1.26 inference('s_sup-', [status(thm)], [zip_derived_cl267, zip_derived_cl256])).
% 4.37/1.26 thf(zip_derived_cl768, plain, ( (vptchecksimple @ (vIszero @ vt1) @ vB)),
% 4.37/1.26 inference('demod', [status(thm)], [zip_derived_cl267, zip_derived_cl762])).
% 4.37/1.26 thf(Tiszero_inv1, axiom,
% 4.37/1.26 (![Vt1:vTerm]:
% 4.37/1.26 ( ( vptchecksimple @ ( vIszero @ Vt1 ) @ vB ) =>
% 4.37/1.26 ( vptchecksimple @ Vt1 @ vNat ) ))).
% 4.37/1.26 thf(zip_derived_cl255, plain,
% 4.37/1.26 (![X0 : vTerm]:
% 4.37/1.26 ( (vptchecksimple @ X0 @ vNat)
% 4.37/1.26 | ~ (vptchecksimple @ (vIszero @ X0) @ vB))),
% 4.37/1.26 inference('cnf', [status(esa)], [Tiszero_inv1])).
% 4.37/1.26 thf(zip_derived_cl1053, plain, ( (vptchecksimple @ vt1 @ vNat)),
% 4.37/1.26 inference('s_sup-', [status(thm)], [zip_derived_cl768, zip_derived_cl255])).
% 4.37/1.26 thf(zip_derived_cl4382, plain,
% 4.37/1.26 (((vreduce @ vt1) != (vsomeTerm @ (vgetTerm @ (vreduce @ vt1))))),
% 4.37/1.26 inference('demod', [status(thm)],
% 4.37/1.26 [zip_derived_cl4360, zip_derived_cl1053])).
% 4.37/1.26 thf(zip_derived_cl4384, plain,
% 4.37/1.26 ((((vreduce @ vt1) = (vnoTerm)) | ((vreduce @ vt1) != (vreduce @ vt1)))),
% 4.37/1.26 inference('s_sup-', [status(thm)],
% 4.37/1.26 [zip_derived_cl1290, zip_derived_cl4382])).
% 4.37/1.26 thf(zip_derived_cl4385, plain, (((vreduce @ vt1) = (vnoTerm))),
% 4.37/1.26 inference('simplify', [status(thm)], [zip_derived_cl4384])).
% 4.37/1.26 thf('isSomeTerm-0', axiom, (~( visSomeTerm @ vnoTerm ))).
% 4.37/1.26 thf(zip_derived_cl67, plain, (~ (visSomeTerm @ vnoTerm)),
% 4.37/1.26 inference('cnf', [status(esa)], [isSomeTerm-0])).
% 4.37/1.26 thf(zip_derived_cl4387, plain, ($false),
% 4.37/1.26 inference('demod', [status(thm)],
% 4.37/1.26 [zip_derived_cl264, zip_derived_cl4385, zip_derived_cl67])).
% 4.37/1.26
% 4.37/1.26 % SZS output end Refutation
% 4.37/1.26
% 4.37/1.26
% 4.37/1.26 % Terminating...
% 5.11/1.35 % Runner terminated.
% 5.11/1.36 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------