%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC255-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n026.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 : Fri Sep 25 03:09:02 PM UTC 2026
% Result : Unsatisfiable 1.29s 1.17s
% Output : CNFRefutation 1.29s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f249ERROR: Could not build tree for root c_484ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f210,negated_conjecture,
( ~ neq(sk4,nil)
| singletonP(sk3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_11) ).
fof(f211,negated_conjecture,
( ~ neq(sk4,nil)
| ~ singletonP(sk1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
fof(f218,plain,
( ~ neq(sk4,nil)
| ~ singletonP(sk3) ),
inference(definition_unfolding,[],[f211,f205]) ).
tcf(c_435,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f249]) ).
tcf(c_438,negated_conjecture,
( singletonP(sk3)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f210]) ).
tcf(c_439,negated_conjecture,
( ~ singletonP(sk3)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f218]) ).
tcf(c_484,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_439,c_438,c_435]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC255-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.36 % Computer : n026.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Thu Sep 24 17:17:24 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.40 Running first-order theorem proving
% 0.09/0.40 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.41
% 0.09/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.41
% 0.09/0.41 % Detected problem language: tptp
% 0.09/0.43 % Proving...
% 1.29/1.17 % SZS status Started for theBenchmark.p
% 1.29/1.17 % SZS status Unsatisfiable for theBenchmark.p
% 1.29/1.17
% 1.29/1.17 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.29/1.17
% 1.29/1.17 % ------ iProver source info
% 1.29/1.17
% 1.29/1.17 % git: date: 2026-07-19 20:42:38 +0200
% 1.29/1.17 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.29/1.17 % git: non_committed_changes: false
% 1.29/1.17
% 1.29/1.17 % ------ Parsing...% successful
% 1.29/1.17
% 1.29/1.17
% 1.29/1.17 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.29/1.17
% 1.29/1.17 % ------ Preprocessing...%
% 1.29/1.17
% 1.29/1.17 % SZS status Unsatisfiable for theBenchmark.p
% 1.29/1.17
% 1.29/1.17 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.29/1.17
% 1.29/1.17
%------------------------------------------------------------------------------