%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : SET881+1 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n004.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 : Sun Sep 27 08:33:29 AM UTC 2026
% Result : Theorem 9.58s 2.21s
% Output : CNFRefutation 9.58s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET881+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.57 % Computer : n004.cluster.edu
% 0.09/0.57 % Model : x86_64 x86_64
% 0.09/0.57 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.57 % Memory : 8046.5625MB
% 0.09/0.57 % OS : Linux 6.8.0-71-generic
% 0.09/0.57 % CPULimit : 300
% 0.09/0.57 % WCLimit : 300
% 0.09/0.57 % DateTime : Sat Sep 26 08:24:07 UTC 2026
% 0.09/0.57 % CPUTime :
% 0.09/0.57 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 9.58/2.21 % SZS status Theorem for theBenchmark.p
% 9.58/2.21 % SZS output start CNFRefutation for theBenchmark.p
% 9.58/2.21 fof(d2_tarski, axiom, ! [X0] : ! [X1] : ! [X2] : ((X2 = 'unordered$upair'(X0,X1) <=> ! [X3] : ((in(X3,X2) <=> (X3 = X0 | X3 = X1)))))).
% 9.58/2.21 fof(l36_zfmisc_1, axiom, ! [X0] : ! [X1] : (('set$udifference'(singleton(X0),X1) = 'empty$uset' <=> in(X0,X1)))).
% 9.58/2.21 fof(t22_zfmisc_1, conjecture, ! [X0] : ! [X1] : 'set$udifference'(singleton(X0),'unordered$upair'(X0,X1)) = 'empty$uset').
% 9.58/2.21 fof(negated_conjecture, negated_conjecture, ~! [X0] : ! [X1] : 'set$udifference'(singleton(X0),'unordered$upair'(X0,X1)) = 'empty$uset', inference(negate_conjecture, [status(cth)], [t22_zfmisc_1])).
% 9.58/2.21 cnf(c2, plain, X0 != 'unordered$upair'(X1,X2) | X3(X1,X2,X0), inference(clausification, [status(esa)], [d2_tarski])).
% 9.58/2.21 cnf(c5, plain, ~X0(X1,X2,X3) | in(X4,X3) | X4 != X1, inference(clausification, [status(esa)], [d2_tarski])).
% 9.58/2.21 cnf(c15, plain, 'set$udifference'(singleton(X0),X1) = 'empty$uset' | ~in(X0,X1), inference(clausification, [status(esa)], [l36_zfmisc_1])).
% 9.58/2.21 cnf(c18, plain, 'set$udifference'(singleton(sK14),'unordered$upair'(sK14,sK15)) != 'empty$uset', inference(clausification, [status(esa)], [negated_conjecture])).
% 9.58/2.21 cnf(d0, plain, 'Ts4'(X0,X1,'unordered$upair'(X0,X1)), inference(equality_resolution, [status(thm)], [c2])).
% 9.58/2.21 cnf(d1, plain, in(X0,X1) | ~'Ts4'(X0,X2,X1), inference(equality_resolution, [status(thm)], [c5])).
% 9.58/2.21 cnf(d2, plain, in(X0,'unordered$upair'(X0,X1)), inference(resolution, [status(thm)], [d1,d0])).
% 9.58/2.21 cnf(d3, plain, 'set$udifference'(singleton(X0),'unordered$upair'(X0,X1)) = 'empty$uset', inference(resolution, [status(thm)], [c15,d2])).
% 9.58/2.21 cnf(d4, plain, $false, inference(resolution, [status(thm)], [d3,c18])).
% 9.58/2.21 % SZS output end CNFRefutation for theBenchmark.p
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