%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : NUM023-1 : TPTP v9.3.1. Bugfixed v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/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 01:42:10 PM UTC 2026
% Result : Unsatisfiable 0.17s 0.47s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : NUM023-1 : TPTP v9.3.1. Bugfixed v4.0.0.
% 0.00/0.06 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.43 % Computer : n020.cluster.edu
% 0.17/0.43 % Model : x86_64 x86_64
% 0.17/0.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.43 % Memory : 8046.5625MB
% 0.17/0.43 % OS : Linux 6.8.0-71-generic
% 0.17/0.43 % CPULimit : 300
% 0.17/0.43 % WCLimit : 300
% 0.17/0.43 % DateTime : Mon Sep 21 02:00:03 UTC 2026
% 0.17/0.43 % CPUTime :
% 0.17/0.45 % Drodi V4.1.1
% 0.17/0.47 % Refutation found
% 0.17/0.47 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.17/0.47 % SZS output start CNFRefutation for theBenchmark
% 0.17/0.47 fof(f1,axiom,(
% 0.17/0.47 (![A]: (equalish(add(A,n0),A) ))),
% 0.17/0.47 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.47 fof(f8,axiom,(
% 0.17/0.47 (![A,B,C]: (( ~ equalish(add(successor(A),B),C)| less(B,C) ) ))),
% 0.17/0.47 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.47 fof(f15,negated_conjecture,(
% 0.17/0.47 ~ less(n0,successor(a)) ),
% 0.17/0.47 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.17/0.47 fof(f16,plain,(
% 0.17/0.47 ![X0]: (equalish(add(X0,n0),X0))),
% 0.17/0.47 inference(cnf_transformation,[status(thm)],[f1])).
% 0.17/0.47 fof(f24,plain,(
% 0.17/0.47 ![B,C]: ((![A]: ~equalish(add(successor(A),B),C))|less(B,C))),
% 0.17/0.47 inference(miniscoping,[status(thm)],[f8])).
% 0.17/0.47 fof(f25,plain,(
% 0.17/0.47 ![X0,X1,X2]: (~equalish(add(successor(X0),X1),X2)|less(X1,X2))),
% 0.17/0.47 inference(cnf_transformation,[status(thm)],[f24])).
% 0.17/0.47 fof(f33,plain,(
% 0.17/0.47 ~less(n0,successor(a))),
% 0.17/0.47 inference(cnf_transformation,[status(thm)],[f15])).
% 0.17/0.47 fof(f39,plain,(
% 0.17/0.47 ![X0]: (less(n0,successor(X0)))),
% 0.17/0.47 inference(resolution,[status(thm)],[f25,f16])).
% 0.17/0.47 fof(f43,plain,(
% 0.17/0.47 $false),
% 0.17/0.47 inference(backward_subsumption_resolution,[status(thm)],[f33,f39])).
% 0.17/0.47 % SZS output end CNFRefutation for theBenchmark.p
% 0.17/0.49 % Elapsed time: 0.050835 seconds
% 0.17/0.49 % CPU time: 0.131253 seconds
% 0.17/0.49 % Total memory used: 26.166 MB
% 0.17/0.49 % Net memory used: 26.002 MB
%------------------------------------------------------------------------------