%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : ROB002-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n020.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 02:06:34 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.39s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ROB002-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n020.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Mon Sep 21 04:23:02 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.39 % Refutation found
% 0.10/0.39 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/0.39 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.39 fof(f1,axiom,(
% 0.10/0.39 (![X,Y]: (add(X,Y) = add(Y,X) ))),
% 0.10/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.39 fof(f3,axiom,(
% 0.10/0.39 (![X,Y]: (negate(add(negate(add(X,Y)),negate(add(X,negate(Y))))) = X ))),
% 0.10/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.39 fof(f4,hypothesis,(
% 0.10/0.39 (![X]: (negate(negate(X)) = X ))),
% 0.10/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.39 fof(f5,negated_conjecture,(
% 0.10/0.39 add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))) != b ),
% 0.10/0.39 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.39 fof(f6,plain,(
% 0.10/0.39 ![X0,X1]: (add(X0,X1)=add(X1,X0))),
% 0.10/0.39 inference(cnf_transformation,[status(thm)],[f1])).
% 0.10/0.39 fof(f8,plain,(
% 0.10/0.39 ![X0,X1]: (negate(add(negate(add(X0,X1)),negate(add(X0,negate(X1)))))=X0)),
% 0.10/0.39 inference(cnf_transformation,[status(thm)],[f3])).
% 0.10/0.39 fof(f9,plain,(
% 0.10/0.39 ![X0]: (negate(negate(X0))=X0)),
% 0.10/0.39 inference(cnf_transformation,[status(thm)],[f4])).
% 0.10/0.39 fof(f10,plain,(
% 0.10/0.39 ~add(negate(add(a,negate(b))),negate(add(negate(a),negate(b))))=b),
% 0.10/0.39 inference(cnf_transformation,[status(thm)],[f5])).
% 0.10/0.39 fof(f23,plain,(
% 0.10/0.39 ~add(negate(add(a,negate(b))),negate(add(negate(b),negate(a))))=b),
% 0.10/0.39 inference(paramodulation,[status(thm)],[f6,f10])).
% 0.10/0.39 fof(f37,plain,(
% 0.10/0.39 ![X0,X1]: (negate(add(negate(add(X0,X1)),negate(add(X1,negate(X0)))))=X1)),
% 0.10/0.39 inference(paramodulation,[status(thm)],[f6,f8])).
% 0.10/0.39 fof(f319,plain,(
% 0.10/0.39 ![X0,X1]: (negate(X0)=add(negate(add(X1,X0)),negate(add(X0,negate(X1)))))),
% 0.10/0.39 inference(paramodulation,[status(thm)],[f37,f9])).
% 0.10/0.39 fof(f333,plain,(
% 0.10/0.39 ~negate(negate(b))=b),
% 0.10/0.39 inference(backward_demodulation,[status(thm)],[f319,f23])).
% 0.10/0.39 fof(f335,plain,(
% 0.10/0.39 ~b=b),
% 0.10/0.39 inference(forward_demodulation,[status(thm)],[f9,f333])).
% 0.10/0.39 fof(f336,plain,(
% 0.10/0.39 $false),
% 0.10/0.39 inference(trivial_equality_resolution,[status(thm)],[f335])).
% 0.10/0.39 % SZS output end CNFRefutation for theBenchmark.p
% 6.08/1.62 % Elapsed time: 1.034637 seconds
% 6.08/1.62 % CPU time: 0.075195 seconds
% 6.08/1.62 % Total memory used: 1.782 MB
% 6.08/1.62 % Net memory used: 1.755 MB
%------------------------------------------------------------------------------