%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : ROB008-1 : 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 : n017.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 02:06:35 PM UTC 2026
% Result : Unsatisfiable 0.07s 0.43s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ROB008-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.35 % Computer : n017.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 04:18:41 UTC 2026
% 0.07/0.35 % CPUTime :
% 0.07/0.36 % Drodi V4.1.1
% 0.07/0.43 % Refutation found
% 0.07/0.43 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.07/0.43 % SZS output start CNFRefutation for theBenchmark
% 0.07/0.43 fof(f2,axiom,(
% 0.07/0.43 (![X,Y,Z]: (add(add(X,Y),Z) = add(X,add(Y,Z)) ))),
% 0.07/0.43 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.43 fof(f3,axiom,(
% 0.07/0.43 (![X,Y]: (negate(add(negate(add(X,Y)),negate(add(X,negate(Y))))) = X ))),
% 0.07/0.43 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.43 fof(f4,hypothesis,(
% 0.07/0.43 negate(add(a,negate(add(b,c)))) = negate(add(a,add(b,negate(c)))) ),
% 0.07/0.43 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.43 fof(f5,negated_conjecture,(
% 0.07/0.43 add(a,b) != a ),
% 0.07/0.43 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.07/0.43 fof(f7,plain,(
% 0.07/0.43 ![X0,X1,X2]: (add(add(X0,X1),X2)=add(X0,add(X1,X2)))),
% 0.07/0.43 inference(cnf_transformation,[status(thm)],[f2])).
% 0.07/0.43 fof(f8,plain,(
% 0.07/0.43 ![X0,X1]: (negate(add(negate(add(X0,X1)),negate(add(X0,negate(X1)))))=X0)),
% 0.07/0.43 inference(cnf_transformation,[status(thm)],[f3])).
% 0.07/0.43 fof(f9,plain,(
% 0.07/0.43 negate(add(a,negate(add(b,c))))=negate(add(a,add(b,negate(c))))),
% 0.07/0.43 inference(cnf_transformation,[status(thm)],[f4])).
% 0.07/0.43 fof(f10,plain,(
% 0.07/0.43 ~add(a,b)=a),
% 0.07/0.43 inference(cnf_transformation,[status(thm)],[f5])).
% 0.07/0.43 fof(f27,plain,(
% 0.07/0.43 ![X0,X1,X2]: (negate(add(negate(add(X0,add(X1,X2))),negate(add(add(X0,X1),negate(X2)))))=add(X0,X1))),
% 0.07/0.43 inference(paramodulation,[status(thm)],[f7,f8])).
% 0.07/0.43 fof(f35,plain,(
% 0.07/0.43 ![X0,X1,X2]: (negate(add(negate(add(X0,add(X1,X2))),negate(add(X0,add(X1,negate(X2))))))=add(X0,X1))),
% 0.07/0.43 inference(forward_demodulation,[status(thm)],[f7,f27])).
% 0.07/0.43 fof(f80,plain,(
% 0.07/0.43 negate(add(negate(add(a,add(b,c))),negate(add(a,add(b,negate(c))))))=a),
% 0.07/0.43 inference(paramodulation,[status(thm)],[f9,f8])).
% 0.07/0.43 fof(f83,plain,(
% 0.07/0.43 add(a,b)=a),
% 0.07/0.43 inference(forward_demodulation,[status(thm)],[f35,f80])).
% 0.07/0.43 fof(f84,plain,(
% 0.07/0.43 $false),
% 0.07/0.43 inference(forward_subsumption_resolution,[status(thm)],[f83,f10])).
% 0.07/0.43 % SZS output end CNFRefutation for theBenchmark.p
% 9.09/1.66 % Elapsed time: 1.081439 seconds
% 9.09/1.66 % CPU time: 0.187843 seconds
% 9.09/1.66 % Total memory used: 2.014 MB
% 9.09/1.66 % Net memory used: 1.967 MB
%------------------------------------------------------------------------------