%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : COM216_1 : TPTP v9.3.0. Released v9.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.TE9QC3cPfl true
% Computer : n021.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 06:23:18 PM UTC 2026
% Result : Theorem 129.87s 19.30s
% Output : Refutation 130.57s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : COM216_1 : TPTP v9.3.0. Released v9.3.0.
% 0.12/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.TE9QC3cPfl true
% 0.16/0.34 % Computer : n021.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 18:58:10 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.34 % Running portfolio for 300 s
% 0.16/0.34 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.16/0.34 % Number of cores: 8
% 0.16/0.35 % Python version: Python 3.6.8
% 0.16/0.35 % Running in FO mode
% 0.55/0.66 % Total configuration time : 435
% 0.55/0.66 % Estimated wc time : 1092
% 0.55/0.66 % Estimated cpu time (7 cpus) : 156.0
% 0.55/0.68 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.56/0.70 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.56/0.73 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/0.73 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.56/0.74 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.56/0.74 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.56/0.74 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 129.87/19.30 % Solved by fo/fo13.sh.
% 129.87/19.30 % done 10829 iterations in 18.533s
% 129.87/19.30 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 129.87/19.30 % SZS output start Refutation
% 129.87/19.30 thf(vTerm_type, type, vTerm: $tType).
% 129.87/19.30 thf(vOptTerm_type, type, vOptTerm: $tType).
% 129.87/19.30 thf(vTy_type, type, vTy: $tType).
% 129.87/19.30 thf(vSucc_type, type, vSucc: vTerm > vTerm).
% 129.87/19.30 thf(sk__98_type, type, sk__98: vTerm).
% 129.87/19.30 thf(sk__34_type, type, sk__34: vTerm > vTerm).
% 129.87/19.30 thf(vnoTerm_type, type, vnoTerm: vOptTerm).
% 129.87/19.30 thf(vIszero_type, type, vIszero: vTerm > vTerm).
% 129.87/19.30 thf(sk__47_type, type, sk__47: vTerm > vTerm).
% 129.87/19.30 thf(sk__45_type, type, sk__45: vTerm > vTerm).
% 129.87/19.30 thf(vsomeTerm_type, type, vsomeTerm: vTerm > vOptTerm).
% 129.87/19.30 thf(vTrue_type, type, vTrue: vTerm).
% 129.87/19.30 thf(vZero_type, type, vZero: vTerm).
% 129.87/19.30 thf(sk__35_type, type, sk__35: vTerm > vTerm).
% 129.87/19.30 thf(sk__36_type, type, sk__36: vTerm > vTerm).
% 129.87/19.30 thf(vPred_type, type, vPred: vTerm > vTerm).
% 129.87/19.30 thf(sk__37_type, type, sk__37: vTerm > vTerm).
% 129.87/19.30 thf(sk__43_type, type, sk__43: vTerm > vTerm).
% 129.87/19.30 thf(sk__46_type, type, sk__46: vTerm > vTerm).
% 129.87/19.30 thf(vFalse_type, type, vFalse: vTerm).
% 129.87/19.30 thf(sk__41_type, type, sk__41: vTerm > vTerm).
% 129.87/19.30 thf(vptchecksimple_type, type, vptchecksimple: vTerm > vTy > $o).
% 129.87/19.30 thf(sk__44_type, type, sk__44: vTerm > vTerm).
% 129.87/19.30 thf(vreduce_type, type, vreduce: vTerm > vOptTerm).
% 129.87/19.30 thf(sk__40_type, type, sk__40: vTerm > vTerm).
% 129.87/19.30 thf(vPlus_type, type, vPlus: vTerm > vTerm > vTerm).
% 129.87/19.30 thf(sk__39_type, type, sk__39: vTerm > vTerm).
% 129.87/19.30 thf(sk__42_type, type, sk__42: vTerm > vTerm).
% 129.87/19.30 thf(vIfelse_type, type, vIfelse: vTerm > vTerm > vTerm > vTerm).
% 129.87/19.30 thf(sk__38_type, type, sk__38: vTerm > vTerm).
% 129.87/19.30 thf('reduce-23', axiom,
% 129.87/19.30 (![VwildcardName0:vTerm]:
% 129.87/19.30 ( ( ( ![Vt20:vTerm,Vt30:vTerm]:
% 129.87/19.30 ( ( VwildcardName0 ) != ( vIfelse @ vTrue @ Vt20 @ Vt30 ) ) ) &
% 129.87/19.30 ( ![Vt20:vTerm,Vt30:vTerm]:
% 129.87/19.30 ( ( VwildcardName0 ) != ( vIfelse @ vFalse @ Vt20 @ Vt30 ) ) ) &
% 129.87/19.30 ( ![Vt10:vTerm,Vt20:vTerm,Vt30:vTerm]:
% 129.87/19.30 ( ( VwildcardName0 ) != ( vIfelse @ Vt10 @ Vt20 @ Vt30 ) ) ) &
% 129.87/19.30 ( ![Vt10:vTerm]: ( ( VwildcardName0 ) != ( vSucc @ Vt10 ) ) ) &
% 129.87/19.30 ( ( VwildcardName0 ) != ( vPred @ vZero ) ) &
% 129.87/19.30 ( ![Vnv0:vTerm]:
% 129.87/19.30 ( ( VwildcardName0 ) != ( vPred @ ( vSucc @ Vnv0 ) ) ) ) &
% 129.87/19.30 ( ![Vt10:vTerm]: ( ( VwildcardName0 ) != ( vPred @ Vt10 ) ) ) &
% 129.87/19.30 ( ( VwildcardName0 ) != ( vIszero @ vZero ) ) &
% 129.87/19.30 ( ![Vnv0:vTerm]:
% 129.87/19.30 ( ( VwildcardName0 ) != ( vIszero @ ( vSucc @ Vnv0 ) ) ) ) &
% 129.87/19.30 ( ![Vt10:vTerm]: ( ( VwildcardName0 ) != ( vIszero @ Vt10 ) ) ) &
% 129.87/19.30 ( ![Vt10:vTerm,Vt20:vTerm]:
% 129.87/19.30 ( ( VwildcardName0 ) != ( vPlus @ Vt10 @ Vt20 ) ) ) ) =>
% 129.87/19.30 ( ( vreduce @ VwildcardName0 ) = ( vnoTerm ) ) ))).
% 129.87/19.30 thf(zip_derived_cl121, plain,
% 129.87/19.30 (![X0 : vTerm]:
% 129.87/19.30 (((vreduce @ X0) = (vnoTerm))
% 129.87/19.30 | ((X0) = (vPlus @ (sk__34 @ X0) @ (sk__35 @ X0)))
% 129.87/19.30 | ((X0) = (vIszero @ (sk__36 @ X0)))
% 129.87/19.30 | ((X0) = (vIszero @ (vSucc @ (sk__37 @ X0))))
% 129.87/19.30 | ((X0) = (vIszero @ vZero))
% 129.87/19.30 | ((X0) = (vPred @ (sk__38 @ X0)))
% 129.87/19.30 | ((X0) = (vPred @ (vSucc @ (sk__39 @ X0))))
% 129.87/19.30 | ((X0) = (vPred @ vZero))
% 129.87/19.30 | ((X0) = (vSucc @ (sk__40 @ X0)))
% 129.87/19.30 | ((X0) = (vIfelse @ (sk__41 @ X0) @ (sk__42 @ X0) @ (sk__43 @ X0)))
% 129.87/19.30 | ((X0) = (vIfelse @ vFalse @ (sk__44 @ X0) @ (sk__45 @ X0)))
% 129.87/19.30 | ((X0) = (vIfelse @ vTrue @ (sk__46 @ X0) @ (sk__47 @ X0))))),
% 129.87/19.30 inference('cnf', [status(esa)], [reduce-23])).
% 129.87/19.30 thf('DIFF-False-Ifelse', axiom,
% 129.87/19.30 (![VTerm0:vTerm,VTerm1:vTerm,VTerm2:vTerm]:
% 129.87/19.30 ( ( vFalse ) != ( vIfelse @ VTerm0 @ VTerm1 @ VTerm2 ) ))).
% 129.87/19.30 thf(zip_derived_cl16, plain,
% 129.87/19.30 (![X0 : vTerm, X1 : vTerm, X2 : vTerm]:
% 129.87/19.30 ((vFalse) != (vIfelse @ X0 @ X1 @ X2))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Ifelse])).
% 129.87/19.30 thf(zip_derived_cl2765, plain,
% 129.87/19.30 (![X0 : vTerm]:
% 129.87/19.30 (((X0) = (vIfelse @ vTrue @ (sk__46 @ X0) @ (sk__47 @ X0)))
% 129.87/19.30 | ((X0) = (vIfelse @ vFalse @ (sk__44 @ X0) @ (sk__45 @ X0)))
% 129.87/19.30 | ((X0) = (vSucc @ (sk__40 @ X0)))
% 129.87/19.30 | ((X0) = (vPred @ vZero))
% 129.87/19.30 | ((X0) = (vPred @ (vSucc @ (sk__39 @ X0))))
% 129.87/19.30 | ((X0) = (vPred @ (sk__38 @ X0)))
% 129.87/19.30 | ((X0) = (vIszero @ vZero))
% 129.87/19.30 | ((X0) = (vIszero @ (vSucc @ (sk__37 @ X0))))
% 129.87/19.30 | ((X0) = (vIszero @ (sk__36 @ X0)))
% 129.87/19.30 | ((X0) = (vPlus @ (sk__34 @ X0) @ (sk__35 @ X0)))
% 129.87/19.30 | ((vreduce @ X0) = (vnoTerm))
% 129.87/19.30 | ((vFalse) != (X0)))),
% 129.87/19.30 inference('s_sup-', [status(thm)], [zip_derived_cl121, zip_derived_cl16])).
% 129.87/19.30 thf(zip_derived_cl136874, plain,
% 129.87/19.30 ((((vreduce @ vFalse) = (vnoTerm))
% 129.87/19.30 | ((vFalse) = (vPlus @ (sk__34 @ vFalse) @ (sk__35 @ vFalse)))
% 129.87/19.30 | ((vFalse) = (vIszero @ (sk__36 @ vFalse)))
% 129.87/19.30 | ((vFalse) = (vIszero @ (vSucc @ (sk__37 @ vFalse))))
% 129.87/19.30 | ((vFalse) = (vIszero @ vZero))
% 129.87/19.30 | ((vFalse) = (vPred @ (sk__38 @ vFalse)))
% 129.87/19.30 | ((vFalse) = (vPred @ (vSucc @ (sk__39 @ vFalse))))
% 129.87/19.30 | ((vFalse) = (vPred @ vZero))
% 129.87/19.30 | ((vFalse) = (vSucc @ (sk__40 @ vFalse)))
% 129.87/19.30 | ((vFalse)
% 129.87/19.30 = (vIfelse @ vFalse @ (sk__44 @ vFalse) @ (sk__45 @ vFalse)))
% 129.87/19.30 | ((vFalse) = (vIfelse @ vTrue @ (sk__46 @ vFalse) @ (sk__47 @ vFalse))))),
% 129.87/19.30 inference('eq_res', [status(thm)], [zip_derived_cl2765])).
% 129.87/19.30 thf(zip_derived_cl16, plain,
% 129.87/19.30 (![X0 : vTerm, X1 : vTerm, X2 : vTerm]:
% 129.87/19.30 ((vFalse) != (vIfelse @ X0 @ X1 @ X2))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Ifelse])).
% 129.87/19.30 thf(zip_derived_cl16, plain,
% 129.87/19.30 (![X0 : vTerm, X1 : vTerm, X2 : vTerm]:
% 129.87/19.30 ((vFalse) != (vIfelse @ X0 @ X1 @ X2))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Ifelse])).
% 129.87/19.30 thf('DIFF-False-Succ', axiom,
% 129.87/19.30 (![VTerm0:vTerm]: ( ( vFalse ) != ( vSucc @ VTerm0 ) ))).
% 129.87/19.30 thf(zip_derived_cl18, plain, (![X0 : vTerm]: ((vFalse) != (vSucc @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Succ])).
% 129.87/19.30 thf('DIFF-False-Pred', axiom,
% 129.87/19.30 (![VTerm0:vTerm]: ( ( vFalse ) != ( vPred @ VTerm0 ) ))).
% 129.87/19.30 thf(zip_derived_cl19, plain, (![X0 : vTerm]: ((vFalse) != (vPred @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Pred])).
% 129.87/19.30 thf(zip_derived_cl19, plain, (![X0 : vTerm]: ((vFalse) != (vPred @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Pred])).
% 129.87/19.30 thf(zip_derived_cl19, plain, (![X0 : vTerm]: ((vFalse) != (vPred @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Pred])).
% 129.87/19.30 thf('DIFF-False-Iszero', axiom,
% 129.87/19.30 (![VTerm0:vTerm]: ( ( vFalse ) != ( vIszero @ VTerm0 ) ))).
% 129.87/19.30 thf(zip_derived_cl20, plain, (![X0 : vTerm]: ((vFalse) != (vIszero @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Iszero])).
% 129.87/19.30 thf(zip_derived_cl20, plain, (![X0 : vTerm]: ((vFalse) != (vIszero @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Iszero])).
% 129.87/19.30 thf(zip_derived_cl20, plain, (![X0 : vTerm]: ((vFalse) != (vIszero @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Iszero])).
% 129.87/19.30 thf('DIFF-False-Plus', axiom,
% 129.87/19.30 (![VTerm0:vTerm,VTerm1:vTerm]:
% 129.87/19.30 ( ( vFalse ) != ( vPlus @ VTerm0 @ VTerm1 ) ))).
% 129.87/19.30 thf(zip_derived_cl21, plain,
% 129.87/19.30 (![X0 : vTerm, X1 : vTerm]: ((vFalse) != (vPlus @ X0 @ X1))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-False-Plus])).
% 129.87/19.30 thf('Preservation-False', conjecture,
% 129.87/19.30 (![VT:vTy,Vtres:vTerm]:
% 129.87/19.30 ( ( ( vptchecksimple @ vFalse @ VT ) &
% 129.87/19.30 ( ( vreduce @ vFalse ) = ( vsomeTerm @ Vtres ) ) ) =>
% 129.87/19.30 ( vptchecksimple @ Vtres @ VT ) ))).
% 129.87/19.30 thf(zf_stmt_0, negated_conjecture,
% 129.87/19.30 (~( ![VT:vTy,Vtres:vTerm]:
% 129.87/19.30 ( ( ( vptchecksimple @ vFalse @ VT ) &
% 129.87/19.30 ( ( vreduce @ vFalse ) = ( vsomeTerm @ Vtres ) ) ) =>
% 129.87/19.30 ( vptchecksimple @ Vtres @ VT ) ) )),
% 129.87/19.30 inference('cnf.neg', [status(esa)], [Preservation-False])).
% 129.87/19.30 thf(zip_derived_cl262, plain, (((vreduce @ vFalse) = (vsomeTerm @ sk__98))),
% 129.87/19.30 inference('cnf', [status(esa)], [zf_stmt_0])).
% 129.87/19.30 thf('DIFF-noTerm-someTerm', axiom,
% 129.87/19.30 (![VTerm0:vTerm]: ( ( vnoTerm ) != ( vsomeTerm @ VTerm0 ) ))).
% 129.87/19.30 thf(zip_derived_cl39, plain,
% 129.87/19.30 (![X0 : vTerm]: ((vnoTerm) != (vsomeTerm @ X0))),
% 129.87/19.30 inference('cnf', [status(esa)], [DIFF-noTerm-someTerm])).
% 129.87/19.30 thf(zip_derived_cl264, plain, (((vnoTerm) != (vreduce @ vFalse))),
% 129.87/19.30 inference('s_sup-', [status(thm)], [zip_derived_cl262, zip_derived_cl39])).
% 129.87/19.30 thf(zip_derived_cl136875, plain, ($false),
% 129.87/19.30 inference('simplify_reflect-', [status(thm)],
% 129.87/19.30 [zip_derived_cl136874, zip_derived_cl16, zip_derived_cl16,
% 129.87/19.30 zip_derived_cl18, zip_derived_cl19, zip_derived_cl19,
% 129.87/19.30 zip_derived_cl19, zip_derived_cl20, zip_derived_cl20,
% 130.57/19.30 zip_derived_cl20, zip_derived_cl21, zip_derived_cl264])).
% 130.57/19.30
% 130.57/19.30 % SZS output end Refutation
% 130.57/19.30
% 130.57/19.30
% 130.57/19.30 % Terminating...
% 19.85/19.40 % Runner terminated.
% 19.85/19.42 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------