%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : KLE007+4 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n012.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 12:58:09 PM UTC 2026
% Result : Theorem 0.03s 0.33s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : KLE007+4 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.02 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.03/0.30 % Computer : n012.cluster.edu
% 0.03/0.30 % Model : x86_64 x86_64
% 0.03/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.30 % Memory : 8046.5625MB
% 0.03/0.30 % OS : Linux 6.8.0-71-generic
% 0.03/0.30 % CPULimit : 300
% 0.03/0.30 % WCLimit : 300
% 0.03/0.30 % DateTime : Sun Sep 20 22:37:52 UTC 2026
% 0.03/0.30 % CPUTime :
% 0.03/0.31 % Drodi V4.1.1
% 0.03/0.33 % Refutation found
% 0.03/0.33 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.03/0.33 % SZS output start CNFRefutation for theBenchmark
% 0.03/0.33 fof(f1,axiom,(
% 0.03/0.33 (! [A,B] : addition(A,B) = addition(B,A) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f2,axiom,(
% 0.03/0.33 (! [C,B,A] : addition(A,addition(B,C)) = addition(addition(A,B),C) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f4,axiom,(
% 0.03/0.33 (! [A] : addition(A,A) = A )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f6,axiom,(
% 0.03/0.33 (! [A] : multiplication(A,one) = A )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f7,axiom,(
% 0.03/0.33 (! [A] : multiplication(one,A) = A )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f8,axiom,(
% 0.03/0.33 (! [A,B,C] : multiplication(A,addition(B,C)) = addition(multiplication(A,B),multiplication(A,C)) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f12,axiom,(
% 0.03/0.33 (! [A,B] :( leq(A,B)<=> addition(A,B) = B ) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f13,axiom,(
% 0.03/0.33 (! [X0] :( test(X0)<=> (? [X1] : complement(X1,X0) )) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f14,axiom,(
% 0.03/0.33 (! [X0,X1] :( complement(X1,X0)<=> ( multiplication(X0,X1) = zero& multiplication(X1,X0) = zero& addition(X0,X1) = one ) ) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f15,axiom,(
% 0.03/0.33 (! [X0,X1] :( test(X0)=> ( c(X0) = X1<=> complement(X0,X1) ) ) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f19,conjecture,(
% 0.03/0.33 (! [X0,X1] :( ( test(X1)& test(X0) )=> ( leq(one,addition(multiplication(addition(X0,c(X0)),X1),multiplication(addition(X0,c(X0)),c(X1))))& leq(addition(multiplication(addition(X0,c(X0)),X1),multiplication(addition(X0,c(X0)),c(X1))),one) ) ) )),
% 0.03/0.33 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.03/0.33 fof(f20,negated_conjecture,(
% 0.03/0.33 ~((! [X0,X1] :( ( test(X1)& test(X0) )=> ( leq(one,addition(multiplication(addition(X0,c(X0)),X1),multiplication(addition(X0,c(X0)),c(X1))))& leq(addition(multiplication(addition(X0,c(X0)),X1),multiplication(addition(X0,c(X0)),c(X1))),one) ) ) ))),
% 0.03/0.33 inference(negated_conjecture,[status(cth)],[f19])).
% 0.03/0.33 fof(f21,plain,(
% 0.03/0.33 ![X0,X1]: (addition(X0,X1)=addition(X1,X0))),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f1])).
% 0.03/0.33 fof(f22,plain,(
% 0.03/0.33 ![X0,X1,X2]: (addition(X0,addition(X1,X2))=addition(addition(X0,X1),X2))),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f2])).
% 0.03/0.33 fof(f24,plain,(
% 0.03/0.33 ![X0]: (addition(X0,X0)=X0)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f4])).
% 0.03/0.33 fof(f26,plain,(
% 0.03/0.33 ![X0]: (multiplication(X0,one)=X0)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f6])).
% 0.03/0.33 fof(f27,plain,(
% 0.03/0.33 ![X0]: (multiplication(one,X0)=X0)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f7])).
% 0.03/0.33 fof(f28,plain,(
% 0.03/0.33 ![X0,X1,X2]: (multiplication(X0,addition(X1,X2))=addition(multiplication(X0,X1),multiplication(X0,X2)))),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f8])).
% 0.03/0.33 fof(f32,plain,(
% 0.03/0.33 ![A,B]: ((~leq(A,B)|addition(A,B)=B)&(leq(A,B)|~addition(A,B)=B))),
% 0.03/0.33 inference(NNF_transformation,[status(thm)],[f12])).
% 0.03/0.33 fof(f33,plain,(
% 0.03/0.33 (![A,B]: (~leq(A,B)|addition(A,B)=B))&(![A,B]: (leq(A,B)|~addition(A,B)=B))),
% 0.03/0.33 inference(miniscoping,[status(thm)],[f32])).
% 0.03/0.33 fof(f35,plain,(
% 0.03/0.33 ![X0,X1]: (leq(X0,X1)|~addition(X0,X1)=X1)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f33])).
% 0.03/0.33 fof(f36,plain,(
% 0.03/0.33 ![X0]: ((~test(X0)|(?[X1]: complement(X1,X0)))&(test(X0)|(![X1]: ~complement(X1,X0))))),
% 0.03/0.33 inference(NNF_transformation,[status(thm)],[f13])).
% 0.03/0.33 fof(f37,plain,(
% 0.03/0.33 (![X0]: (~test(X0)|(?[X1]: complement(X1,X0))))&(![X0]: (test(X0)|(![X1]: ~complement(X1,X0))))),
% 0.03/0.33 inference(miniscoping,[status(thm)],[f36])).
% 0.03/0.33 fof(f38,plain,(
% 0.03/0.33 (![X0]: (~test(X0)|complement(sK0_skl(X0),X0)))&(![X0]: (test(X0)|(![X1]: ~complement(X1,X0))))),
% 0.03/0.33 inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(X1,sK0_skl(X0))],[f37])).
% 0.03/0.33 fof(f39,plain,(
% 0.03/0.33 ![X0]: (~test(X0)|complement(sK0_skl(X0),X0))),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f38])).
% 0.03/0.33 fof(f41,plain,(
% 0.03/0.33 ![X0,X1]: ((~complement(X1,X0)|((multiplication(X0,X1)=zero&multiplication(X1,X0)=zero)&addition(X0,X1)=one))&(complement(X1,X0)|((~multiplication(X0,X1)=zero|~multiplication(X1,X0)=zero)|~addition(X0,X1)=one)))),
% 0.03/0.33 inference(NNF_transformation,[status(thm)],[f14])).
% 0.03/0.33 fof(f42,plain,(
% 0.03/0.33 (![X0,X1]: (~complement(X1,X0)|((multiplication(X0,X1)=zero&multiplication(X1,X0)=zero)&addition(X0,X1)=one)))&(![X0,X1]: (complement(X1,X0)|((~multiplication(X0,X1)=zero|~multiplication(X1,X0)=zero)|~addition(X0,X1)=one)))),
% 0.03/0.33 inference(miniscoping,[status(thm)],[f41])).
% 0.03/0.33 fof(f45,plain,(
% 0.03/0.33 ![X0,X1]: (~complement(X0,X1)|addition(X1,X0)=one)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f42])).
% 0.03/0.33 fof(f47,plain,(
% 0.03/0.33 ![X0,X1]: (~test(X0)|(c(X0)=X1<=>complement(X0,X1)))),
% 0.03/0.33 inference(pre_NNF_transformation,[status(thm)],[f15])).
% 0.03/0.33 fof(f48,plain,(
% 0.03/0.33 ![X0,X1]: (~test(X0)|((~c(X0)=X1|complement(X0,X1))&(c(X0)=X1|~complement(X0,X1))))),
% 0.03/0.33 inference(NNF_transformation,[status(thm)],[f47])).
% 0.03/0.33 fof(f49,plain,(
% 0.03/0.33 ![X0]: (~test(X0)|((![X1]: (~c(X0)=X1|complement(X0,X1)))&(![X1]: (c(X0)=X1|~complement(X0,X1)))))),
% 0.03/0.33 inference(miniscoping,[status(thm)],[f48])).
% 0.03/0.33 fof(f50,plain,(
% 0.03/0.33 ![X0,X1]: (~test(X0)|~c(X0)=X1|complement(X0,X1))),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f49])).
% 0.03/0.33 fof(f58,plain,(
% 0.03/0.33 (?[X0,X1]: ((test(X1)&test(X0))&(~leq(one,addition(multiplication(addition(X0,c(X0)),X1),multiplication(addition(X0,c(X0)),c(X1))))|~leq(addition(multiplication(addition(X0,c(X0)),X1),multiplication(addition(X0,c(X0)),c(X1))),one))))),
% 0.03/0.33 inference(pre_NNF_transformation,[status(thm)],[f20])).
% 0.03/0.33 fof(f59,plain,(
% 0.03/0.33 ((test(sK2_skl)&test(sK1_skl))&(~leq(one,addition(multiplication(addition(sK1_skl,c(sK1_skl)),sK2_skl),multiplication(addition(sK1_skl,c(sK1_skl)),c(sK2_skl))))|~leq(addition(multiplication(addition(sK1_skl,c(sK1_skl)),sK2_skl),multiplication(addition(sK1_skl,c(sK1_skl)),c(sK2_skl))),one)))),
% 0.03/0.33 inference(skolemize,[status(esa),new_symbols(skolem,[sK1_skl,sK2_skl]),skolemize(X0,sK1_skl),skolemize(X1,sK2_skl)],[f58])).
% 0.03/0.33 fof(f60,plain,(
% 0.03/0.33 test(sK2_skl)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f59])).
% 0.03/0.33 fof(f61,plain,(
% 0.03/0.33 test(sK1_skl)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f59])).
% 0.03/0.33 fof(f62,plain,(
% 0.03/0.33 ~leq(one,addition(multiplication(addition(sK1_skl,c(sK1_skl)),sK2_skl),multiplication(addition(sK1_skl,c(sK1_skl)),c(sK2_skl))))|~leq(addition(multiplication(addition(sK1_skl,c(sK1_skl)),sK2_skl),multiplication(addition(sK1_skl,c(sK1_skl)),c(sK2_skl))),one)),
% 0.03/0.33 inference(cnf_transformation,[status(thm)],[f59])).
% 0.03/0.33 fof(f63,plain,(
% 0.03/0.33 ![X0]: (~test(X0)|complement(X0,c(X0)))),
% 0.03/0.33 inference(destructive_equality_resolution,[status(thm)],[f50])).
% 0.03/0.33 fof(f64,plain,(
% 0.03/0.33 ~leq(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))|~leq(addition(multiplication(addition(sK1_skl,c(sK1_skl)),sK2_skl),multiplication(addition(sK1_skl,c(sK1_skl)),c(sK2_skl))),one)),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f28,f62])).
% 0.03/0.33 fof(f65,plain,(
% 0.03/0.33 ~leq(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))|~leq(multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))),one)),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f28,f64])).
% 0.03/0.33 fof(f72,plain,(
% 0.03/0.33 ~addition(multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))),one)=one|~leq(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))),
% 0.03/0.33 inference(resolution,[status(thm)],[f35,f65])).
% 0.03/0.33 fof(f74,plain,(
% 0.03/0.33 ![X0,X1,X2]: (addition(X0,addition(X1,X2))=addition(X2,addition(X0,X1)))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f21,f22])).
% 0.03/0.33 fof(f80,plain,(
% 0.03/0.33 ![X0,X1]: (addition(X0,addition(X0,X1))=addition(X0,X1))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f24,f22])).
% 0.03/0.33 fof(f89,plain,(
% 0.03/0.33 ![X0,X1]: (addition(X0,addition(X1,X0))=addition(X0,X1))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f21,f80])).
% 0.03/0.33 fof(f142,plain,(
% 0.03/0.33 ![X0,X1]: (multiplication(X0,addition(one,X1))=addition(X0,multiplication(X0,X1)))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f26,f28])).
% 0.03/0.33 fof(f145,plain,(
% 0.03/0.33 ![X0,X1]: (multiplication(X0,addition(X1,one))=addition(multiplication(X0,X1),X0))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f26,f28])).
% 0.03/0.33 fof(f220,plain,(
% 0.03/0.33 ![X0]: (~test(X0)|addition(X0,sK0_skl(X0))=one)),
% 0.03/0.33 inference(resolution,[status(thm)],[f39,f45])).
% 0.03/0.33 fof(f222,plain,(
% 0.03/0.33 ![X0]: (~test(X0)|addition(c(X0),X0)=one)),
% 0.03/0.33 inference(resolution,[status(thm)],[f63,f45])).
% 0.03/0.33 fof(f297,plain,(
% 0.03/0.33 ~addition(multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))),one)=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(resolution,[status(thm)],[f72,f35])).
% 0.03/0.33 fof(f300,plain,(
% 0.03/0.33 addition(sK2_skl,sK0_skl(sK2_skl))=one),
% 0.03/0.33 inference(resolution,[status(thm)],[f220,f60])).
% 0.03/0.33 fof(f319,plain,(
% 0.03/0.33 addition(sK2_skl,one)=addition(sK2_skl,sK0_skl(sK2_skl))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f300,f80])).
% 0.03/0.33 fof(f321,plain,(
% 0.03/0.33 addition(sK2_skl,one)=one),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f300,f319])).
% 0.03/0.33 fof(f322,plain,(
% 0.03/0.33 addition(one,one)=addition(one,sK2_skl)),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f321,f89])).
% 0.03/0.33 fof(f325,plain,(
% 0.03/0.33 one=addition(one,sK2_skl)),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f24,f322])).
% 0.03/0.33 fof(f335,plain,(
% 0.03/0.33 addition(c(sK1_skl),sK1_skl)=one),
% 0.03/0.33 inference(resolution,[status(thm)],[f222,f61])).
% 0.03/0.33 fof(f336,plain,(
% 0.03/0.33 addition(c(sK2_skl),sK2_skl)=one),
% 0.03/0.33 inference(resolution,[status(thm)],[f222,f60])).
% 0.03/0.33 fof(f353,plain,(
% 0.03/0.33 ![X0]: (addition(X0,one)=addition(sK2_skl,addition(X0,one)))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f325,f74])).
% 0.03/0.33 fof(f380,plain,(
% 0.03/0.33 ![X0]: (addition(one,addition(sK2_skl,X0))=addition(X0,one))),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f325,f74])).
% 0.03/0.33 fof(f459,plain,(
% 0.03/0.33 addition(sK1_skl,c(sK1_skl))=one),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f21,f335])).
% 0.03/0.33 fof(f470,plain,(
% 0.03/0.33 ~addition(multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))),one)=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(backward_demodulation,[status(thm)],[f459,f297])).
% 0.03/0.33 fof(f482,plain,(
% 0.03/0.33 ~addition(multiplication(one,addition(sK2_skl,c(sK2_skl))),one)=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f459,f470])).
% 0.03/0.33 fof(f483,plain,(
% 0.03/0.33 ~multiplication(one,addition(addition(sK2_skl,c(sK2_skl)),one))=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f145,f482])).
% 0.03/0.33 fof(f484,plain,(
% 0.03/0.33 ~addition(addition(sK2_skl,c(sK2_skl)),one)=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f27,f483])).
% 0.03/0.33 fof(f485,plain,(
% 0.03/0.33 ~addition(sK2_skl,addition(c(sK2_skl),one))=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f22,f484])).
% 0.03/0.33 fof(f486,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~addition(one,multiplication(addition(sK1_skl,c(sK1_skl)),addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f353,f485])).
% 0.03/0.33 fof(f487,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~addition(one,multiplication(one,addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f459,f486])).
% 0.03/0.33 fof(f488,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~multiplication(one,addition(one,addition(sK2_skl,c(sK2_skl))))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f142,f487])).
% 0.03/0.33 fof(f489,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~addition(one,addition(sK2_skl,c(sK2_skl)))=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f27,f488])).
% 0.03/0.33 fof(f490,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~addition(c(sK2_skl),one)=multiplication(one,addition(sK2_skl,c(sK2_skl)))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f380,f489])).
% 0.03/0.33 fof(f491,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~addition(c(sK2_skl),one)=addition(sK2_skl,c(sK2_skl))),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f27,f490])).
% 0.03/0.33 fof(f492,plain,(
% 0.03/0.33 addition(sK2_skl,c(sK2_skl))=one),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f21,f336])).
% 0.03/0.33 fof(f497,plain,(
% 0.03/0.33 addition(c(sK2_skl),one)=addition(c(sK2_skl),sK2_skl)),
% 0.03/0.33 inference(paramodulation,[status(thm)],[f336,f80])).
% 0.03/0.33 fof(f501,plain,(
% 0.03/0.33 ~addition(c(sK2_skl),one)=one|~addition(c(sK2_skl),one)=one),
% 0.03/0.33 inference(backward_demodulation,[status(thm)],[f492,f491])).
% 0.03/0.33 fof(f505,plain,(
% 0.03/0.33 addition(c(sK2_skl),one)=one),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f336,f497])).
% 0.03/0.33 fof(f506,plain,(
% 0.03/0.33 ~one=one|~addition(c(sK2_skl),one)=one),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f505,f501])).
% 0.03/0.33 fof(f507,plain,(
% 0.03/0.33 ~one=one|~one=one),
% 0.03/0.33 inference(forward_demodulation,[status(thm)],[f505,f506])).
% 0.03/0.33 fof(f508,plain,(
% 0.03/0.33 ~one=one),
% 0.03/0.33 inference(duplicate_literals_removal,[status(thm)],[f507])).
% 0.03/0.33 fof(f509,plain,(
% 0.03/0.33 $false),
% 0.03/0.33 inference(trivial_equality_resolution,[status(thm)],[f508])).
% 0.03/0.33 % SZS output end CNFRefutation for theBenchmark.p
% 0.07/0.34 % Elapsed time: 0.041703 seconds
% 0.07/0.34 % CPU time: 0.150167 seconds
% 0.07/0.34 % Total memory used: 105.086 MB
% 0.07/0.34 % Net memory used: 104.804 MB
%------------------------------------------------------------------------------