%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC121-1 : 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 : 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 : Fri Sep 25 03:07:58 PM UTC 2026
% Result : Unsatisfiable 0.21s 6.17s
% Output : CNFRefutation 0.21s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f252ERROR: Could not build tree for root c_507ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f211,negated_conjecture,
( ~ neq(sk4,nil)
| neq(sk3,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
fof(f212,negated_conjecture,
( ~ neq(sk4,nil)
| segmentP(sk4,sk3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_13) ).
fof(f213,negated_conjecture,
( ~ neq(sk4,nil)
| ~ segmentP(sk2,sk1)
| ~ neq(sk1,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
fof(f221,plain,
( ~ neq(sk4,nil)
| ~ segmentP(sk4,sk3)
| ~ neq(sk3,nil) ),
inference(definition_unfolding,[],[f213,f205,f204,f205]) ).
tcf(c_437,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f252]) ).
tcf(c_441,negated_conjecture,
( neq(sk3,nil)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f211]) ).
tcf(c_442,negated_conjecture,
( segmentP(sk4,sk3)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f212]) ).
tcf(c_443,negated_conjecture,
( ~ segmentP(sk4,sk3)
| ~ neq(sk4,nil)
| ~ neq(sk3,nil) ),
inference(cnf_transformation,[],[f221]) ).
tcf(c_507,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_443,c_441,c_442,c_437]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC121-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.08/5.37 % Computer : n020.cluster.edu
% 0.08/5.37 % Model : x86_64 x86_64
% 0.08/5.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/5.37 % Memory : 8046.5625MB
% 0.08/5.37 % OS : Linux 6.8.0-71-generic
% 0.08/5.37 % CPULimit : 300
% 0.08/5.37 % WCLimit : 300
% 0.08/5.37 % DateTime : Thu Sep 24 16:31:25 UTC 2026
% 0.08/5.37 % CPUTime :
% 0.08/5.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.15/5.41 Running first-order theorem proving
% 0.15/5.41 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
% 0.15/5.42
% 0.15/5.42 % ======== iProver multi-core TPTP/SMT =========
% 0.15/5.42
% 0.15/5.42 % Detected problem language: tptp
% 0.15/5.43 % Proving...
% 0.21/6.17 % SZS status Started for theBenchmark.p
% 0.21/6.17 % SZS status Unsatisfiable for theBenchmark.p
% 0.21/6.17
% 0.21/6.17 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.21/6.17
% 0.21/6.17 % ------ iProver source info
% 0.21/6.17
% 0.21/6.17 % git: date: 2026-07-19 20:42:38 +0200
% 0.21/6.17 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.21/6.17 % git: non_committed_changes: false
% 0.21/6.17
% 0.21/6.17 % ------ Parsing...% successful
% 0.21/6.17
% 0.21/6.17
% 0.21/6.17 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.21/6.17
% 0.21/6.17 % ------ Preprocessing...%
% 0.21/6.17
% 0.21/6.17 % SZS status Unsatisfiable for theBenchmark.p
% 0.21/6.17
% 0.21/6.17 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.21/6.17
% 0.21/6.17
%------------------------------------------------------------------------------