%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : COM004-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n016.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 12:10:41 PM UTC 2026
% Result : Unsatisfiable 0.13s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : COM004-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.35 % Computer : n016.cluster.edu
% 0.07/0.35 % Model : x86_64 x86_64
% 0.07/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.35 % Memory : 8046.5625MB
% 0.07/0.35 % OS : Linux 6.8.0-71-generic
% 0.07/0.35 % CPULimit : 300
% 0.07/0.35 % WCLimit : 300
% 0.07/0.35 % DateTime : Mon Sep 21 14:18:23 UTC 2026
% 0.07/0.35 % CPUTime :
% 0.13/0.36 % Drodi V4.1.1
% 0.13/0.40 % Refutation found
% 0.13/0.40 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.13/0.40 fof(f1,axiom,(
% 0.13/0.40 (![X,Y,C,D,P,Q]: (( failure_node(parent_of(X,Y),or(C,D))| ~ failure_node(X,or(C,P))| ~ failure_node(Y,or(D,Q))| ~ contradictory(P,Q)| ~ siblings(X,Y) ) ))),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f3,axiom,(
% 0.13/0.40 (![X]: (contradictory(X,negate(X)) ))),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f4,axiom,(
% 0.13/0.40 (![X]: (siblings(left_child_of(X),right_child_of(X)) ))),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f5,hypothesis,(
% 0.13/0.40 failure_node(n_left,or(empty,atom)) ),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f6,hypothesis,(
% 0.13/0.40 failure_node(n_right,or(empty,negate(atom))) ),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f7,hypothesis,(
% 0.13/0.40 n_left = left_child_of(n) ),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f8,hypothesis,(
% 0.13/0.40 n_right = right_child_of(n) ),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f9,negated_conjecture,(
% 0.13/0.40 (![Z]: (~ failure_node(Z,or(empty,empty)) ))),
% 0.13/0.40 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.13/0.40 fof(f10,plain,(
% 0.13/0.40 ![X,Y]: ((![P,Q]: ((![D]: ((![C]: (failure_node(parent_of(X,Y),or(C,D))|~failure_node(X,or(C,P))))|~failure_node(Y,or(D,Q))))|~contradictory(P,Q)))|~siblings(X,Y))),
% 0.13/0.40 inference(miniscoping,[status(thm)],[f1])).
% 0.13/0.40 fof(f11,plain,(
% 0.13/0.40 ![X0,X1,X2,X3,X4,X5]: (failure_node(parent_of(X0,X1),or(X2,X3))|~failure_node(X0,or(X2,X4))|~failure_node(X1,or(X3,X5))|~contradictory(X4,X5)|~siblings(X0,X1))),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f10])).
% 0.13/0.40 fof(f13,plain,(
% 0.13/0.40 ![X0]: (contradictory(X0,negate(X0)))),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f3])).
% 0.13/0.40 fof(f14,plain,(
% 0.13/0.40 ![X0]: (siblings(left_child_of(X0),right_child_of(X0)))),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f4])).
% 0.13/0.40 fof(f15,plain,(
% 0.13/0.40 failure_node(n_left,or(empty,atom))),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f5])).
% 0.13/0.40 fof(f16,plain,(
% 0.13/0.40 failure_node(n_right,or(empty,negate(atom)))),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f6])).
% 0.13/0.40 fof(f17,plain,(
% 0.13/0.40 n_left=left_child_of(n)),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f7])).
% 0.13/0.40 fof(f18,plain,(
% 0.13/0.40 n_right=right_child_of(n)),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f8])).
% 0.13/0.40 fof(f19,plain,(
% 0.13/0.40 ![X0]: (~failure_node(X0,or(empty,empty)))),
% 0.13/0.40 inference(cnf_transformation,[status(thm)],[f9])).
% 0.13/0.40 fof(f22,plain,(
% 0.13/0.40 siblings(left_child_of(n),n_right)),
% 0.13/0.40 inference(paramodulation,[status(thm)],[f18,f14])).
% 0.13/0.40 fof(f23,plain,(
% 0.13/0.40 siblings(n_left,n_right)),
% 0.13/0.40 inference(forward_demodulation,[status(thm)],[f17,f22])).
% 0.13/0.40 fof(f24,plain,(
% 0.13/0.40 ![X0,X1,X2]: (failure_node(parent_of(X0,n_right),or(X1,empty))|~failure_node(X0,or(X1,X2))|~contradictory(X2,negate(atom))|~siblings(X0,n_right))),
% 0.13/0.40 inference(resolution,[status(thm)],[f16,f11])).
% 0.13/0.40 fof(f26,plain,(
% 0.13/0.40 ![X0,X1]: (failure_node(parent_of(n_left,n_right),or(X0,empty))|~failure_node(n_left,or(X0,X1))|~contradictory(X1,negate(atom)))),
% 0.13/0.40 inference(resolution,[status(thm)],[f24,f23])).
% 0.13/0.40 fof(f27,plain,(
% 0.13/0.40 failure_node(parent_of(n_left,n_right),or(empty,empty))|~contradictory(atom,negate(atom))),
% 0.13/0.40 inference(resolution,[status(thm)],[f26,f15])).
% 0.13/0.40 fof(f28,plain,(
% 0.13/0.40 ~contradictory(atom,negate(atom))),
% 0.13/0.40 inference(forward_subsumption_resolution,[status(thm)],[f27,f19])).
% 0.13/0.40 fof(f29,plain,(
% 0.13/0.40 $false),
% 0.13/0.40 inference(forward_subsumption_resolution,[status(thm)],[f28,f13])).
% 0.13/0.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.13/0.43 % Elapsed time: 0.068285 seconds
% 0.13/0.43 % CPU time: 0.204601 seconds
% 0.13/0.43 % Total memory used: 66.401 MB
% 0.13/0.43 % Net memory used: 65.911 MB
%------------------------------------------------------------------------------