%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : GRP449-1 : TPTP v9.3.1. Released v2.6.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n015.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 12:36:39 PM UTC 2026
% Result : Unsatisfiable 0.11s 0.38s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP449-1 : TPTP v9.3.1. Released v2.6.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.36 % Computer : n015.cluster.edu
% 0.11/0.36 % Model : x86_64 x86_64
% 0.11/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36 % Memory : 8046.5625MB
% 0.11/0.36 % OS : Linux 6.8.0-71-generic
% 0.11/0.36 % CPULimit : 300
% 0.11/0.36 % WCLimit : 300
% 0.11/0.36 % DateTime : Sun Sep 20 20:16:35 UTC 2026
% 0.11/0.36 % CPUTime :
% 0.11/0.37 % Drodi V4.1.1
% 0.11/0.38 % Refutation found
% 0.11/0.38 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.11/0.38 % SZS output start CNFRefutation for theBenchmark
% 0.11/0.38 fof(f1,axiom,(
% 0.11/0.38 (![A,B,C]: (divide(A,divide(divide(divide(divide(B,B),B),C),divide(divide(divide(B,B),A),C))) = B ))),
% 0.11/0.38 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.11/0.38 fof(f2,axiom,(
% 0.11/0.38 (![A,B,C]: (multiply(A,B) = divide(A,divide(divide(C,C),B)) ))),
% 0.11/0.38 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.11/0.38 fof(f3,axiom,(
% 0.11/0.38 (![A,B]: (inverse(A) = divide(divide(B,B),A) ))),
% 0.11/0.38 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.11/0.38 fof(f4,negated_conjecture,(
% 0.11/0.38 multiply(multiply(inverse(b2),b2),a2) != a2 ),
% 0.11/0.38 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.11/0.38 fof(f5,plain,(
% 0.11/0.38 ![X0,X1,X2]: (divide(X0,divide(divide(divide(divide(X1,X1),X1),X2),divide(divide(divide(X1,X1),X0),X2)))=X1)),
% 0.11/0.38 inference(cnf_transformation,[status(thm)],[f1])).
% 0.11/0.38 fof(f6,plain,(
% 0.11/0.38 ![X0,X1,X2]: (multiply(X0,X1)=divide(X0,divide(divide(X2,X2),X1)))),
% 0.11/0.38 inference(cnf_transformation,[status(thm)],[f2])).
% 0.11/0.38 fof(f7,plain,(
% 0.11/0.38 ![X0,X1]: (inverse(X0)=divide(divide(X1,X1),X0))),
% 0.11/0.38 inference(cnf_transformation,[status(thm)],[f3])).
% 0.11/0.38 fof(f8,plain,(
% 0.11/0.38 ~multiply(multiply(inverse(b2),b2),a2)=a2),
% 0.11/0.38 inference(cnf_transformation,[status(thm)],[f4])).
% 0.11/0.38 fof(f13,plain,(
% 0.11/0.38 ![X0,X1]: (multiply(X0,X1)=divide(X0,inverse(X1)))),
% 0.11/0.38 inference(backward_demodulation,[status(thm)],[f7,f6])).
% 0.11/0.38 fof(f14,plain,(
% 0.11/0.38 ![X0,X1,X2]: (divide(X0,divide(divide(divide(divide(X1,X1),X1),X2),divide(inverse(X0),X2)))=X1)),
% 0.11/0.38 inference(backward_demodulation,[status(thm)],[f7,f5])).
% 0.11/0.38 fof(f15,plain,(
% 0.11/0.38 ![X0,X1,X2]: (divide(X0,divide(divide(inverse(X1),X2),divide(inverse(X0),X2)))=X1)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f7,f14])).
% 0.11/0.38 fof(f17,plain,(
% 0.11/0.38 ![X0,X1]: (multiply(divide(X0,X0),X1)=inverse(inverse(X1)))),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f7,f13])).
% 0.11/0.38 fof(f28,plain,(
% 0.11/0.38 ![X0,X1]: (divide(X0,inverse(divide(inverse(X0),inverse(X1))))=X1)),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f7,f15])).
% 0.11/0.38 fof(f30,plain,(
% 0.11/0.38 ![X0,X1,X2,X3]: (divide(X0,divide(X1,divide(inverse(X0),divide(divide(inverse(X1),X2),divide(inverse(inverse(X3)),X2)))))=X3)),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f15,f15])).
% 0.11/0.38 fof(f41,plain,(
% 0.11/0.38 ![X0,X1]: (multiply(X0,divide(inverse(X0),inverse(X1)))=X1)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f13,f28])).
% 0.11/0.38 fof(f42,plain,(
% 0.11/0.38 ![X0,X1]: (multiply(X0,multiply(inverse(X0),X1))=X1)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f13,f41])).
% 0.11/0.38 fof(f51,plain,(
% 0.11/0.38 ![X0,X1]: (multiply(X0,X1)=multiply(inverse(inverse(X0)),X1))),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f42,f42])).
% 0.11/0.38 fof(f55,plain,(
% 0.11/0.38 ![X0,X1]: (multiply(multiply(inverse(X0),X0),X1)=inverse(inverse(X1)))),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f13,f17])).
% 0.11/0.38 fof(f59,plain,(
% 0.11/0.38 ~inverse(inverse(a2))=a2),
% 0.11/0.38 inference(backward_demodulation,[status(thm)],[f55,f8])).
% 0.11/0.38 fof(f126,plain,(
% 0.11/0.38 ![X0,X1,X2,X3]: (divide(X0,divide(X1,divide(inverse(X0),divide(multiply(inverse(X1),X2),divide(inverse(inverse(X3)),inverse(X2))))))=X3)),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f13,f30])).
% 0.11/0.38 fof(f129,plain,(
% 0.11/0.38 ![X0,X1,X2,X3]: (divide(X0,divide(X1,divide(inverse(X0),divide(divide(inverse(X1),inverse(X2)),multiply(inverse(inverse(X3)),X2)))))=X3)),
% 0.11/0.38 inference(paramodulation,[status(thm)],[f13,f30])).
% 0.11/0.38 fof(f154,plain,(
% 0.11/0.38 ![X0,X1,X2,X3]: (divide(X0,divide(X1,divide(inverse(X0),divide(multiply(inverse(X1),X2),multiply(inverse(inverse(X3)),X2)))))=X3)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f13,f126])).
% 0.11/0.38 fof(f155,plain,(
% 0.11/0.38 ![X0,X1,X2,X3]: (divide(X0,divide(X1,divide(inverse(X0),divide(multiply(inverse(X1),X2),multiply(X3,X2)))))=X3)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f51,f154])).
% 0.11/0.38 fof(f156,plain,(
% 0.11/0.38 ![X0,X1,X2,X3]: (divide(X0,divide(X1,divide(inverse(X0),divide(multiply(inverse(X1),X2),multiply(inverse(inverse(X3)),X2)))))=X3)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f13,f129])).
% 0.11/0.38 fof(f158,plain,(
% 0.11/0.38 ~a2=a2),
% 0.11/0.38 inference(backward_demodulation,[status(thm)],[f180,f59])).
% 0.11/0.38 fof(f180,plain,(
% 0.11/0.38 ![X0]: (inverse(inverse(X0))=X0)),
% 0.11/0.38 inference(forward_demodulation,[status(thm)],[f155,f156])).
% 0.11/0.38 fof(f192,plain,(
% 0.11/0.38 $false),
% 0.11/0.38 inference(trivial_equality_resolution,[status(thm)],[f158])).
% 0.11/0.38 % SZS output end CNFRefutation for theBenchmark.p
% 0.14/0.41 % Elapsed time: 0.036609 seconds
% 0.14/0.41 % CPU time: 0.073061 seconds
% 0.14/0.41 % Total memory used: 2.674 MB
% 0.14/0.41 % Net memory used: 2.628 MB
%------------------------------------------------------------------------------