%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : LCL644+1.001 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n005.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 02:07:02 PM UTC 2026
% Result : Theorem 1.09s 6.27s
% Output : CNFRefutation 1.09s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f12ERROR: Could not build tree for root c_89ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f28,plain,
? [X0] :
( ? [X7] :
( p1(X7)
& ! [X8] :
( p1(X8)
| ~ r1(X7,X8) )
& ~ p1(X7)
& r1(X0,X7) )
& ? [X5] :
( p1(X5)
& ! [X6] :
( p1(X6)
| ~ r1(X5,X6) )
& ~ p1(X5)
& r1(X0,X5) )
& ( sP2(X0)
| sP4(X0)
| sP3(X0)
| ! [X3] :
( ~ p1(X3)
| ? [X4] :
( ~ p1(X4)
& r1(X3,X4) )
| ~ p1(X3)
| p2(X3)
| ~ r1(X0,X3) )
| ! [X1] :
( p1(X1)
| ? [X2] :
( ~ p2(X2)
& r1(X1,X2) )
| ~ p2(X1)
| ~ r1(X0,X1) ) ) ),
inference(rectify,[],[f12]) ).
fof(f29,plain,
( p1(sK14)
& ! [X8] :
( p1(X8)
| ~ r1(sK14,X8) )
& ~ p1(sK14)
& r1(sK10,sK14)
& p1(sK13)
& ! [X6] :
( p1(X6)
| ~ r1(sK13,X6) )
& ~ p1(sK13)
& r1(sK10,sK13)
& ( sP2(sK10)
| sP4(sK10)
| sP3(sK10)
| ! [X3] :
( ~ p1(X3)
| ( ~ p1(sK12(X3))
& r1(X3,sK12(X3)) )
| ~ p1(X3)
| p2(X3)
| ~ r1(sK10,X3) )
| ! [X1] :
( p1(X1)
| ( ~ p2(sK11(X1))
& r1(X1,sK11(X1)) )
| ~ p2(X1)
| ~ r1(sK10,X1) ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK10,sK11,sK12,sK13,sK14]),skolemize(X0,sK10),skolemize(X2,sK11(X1)),skolemize(X4,sK12(X3)),skolemize(X5,sK13),skolemize(X7,sK14)],[f28]) ).
fof(f58,plain,
p1(sK14),
inference(cnf_transformation,[],[f29]) ).
fof(f60,plain,
~ p1(sK14),
inference(cnf_transformation,[],[f29]) ).
tcf(c_86,negated_conjecture,
~ p1(sK14),
inference(cnf_transformation,[],[f60]) ).
tcf(c_88,negated_conjecture,
p1(sK14),
inference(cnf_transformation,[],[f58]) ).
tcf(c_89,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_86,c_88]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL644+1.001 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/5.37 % Computer : n005.cluster.edu
% 0.10/5.37 % Model : x86_64 x86_64
% 0.10/5.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.37 % Memory : 8046.5625MB
% 0.10/5.37 % OS : Linux 6.8.0-71-generic
% 0.10/5.37 % CPULimit : 300
% 0.10/5.37 % WCLimit : 300
% 0.10/5.37 % DateTime : Wed Sep 23 23:54:24 UTC 2026
% 0.10/5.37 % CPUTime :
% 0.10/5.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.14/5.41 Running first-order theorem proving
% 0.14/5.41 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
% 0.14/5.42
% 0.14/5.42 % ======== iProver multi-core TPTP/SMT =========
% 0.14/5.42
% 0.14/5.42 % Detected problem language: tptp
% 0.14/5.43 % Proving...
% 1.09/6.27 % SZS status Started for theBenchmark.p
% 1.09/6.27 % SZS status Theorem for theBenchmark.p
% 1.09/6.27
% 1.09/6.27 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.09/6.27
% 1.09/6.27 % ------ iProver source info
% 1.09/6.27
% 1.09/6.27 % git: date: 2026-07-19 20:42:38 +0200
% 1.09/6.27 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.09/6.27 % git: non_committed_changes: false
% 1.09/6.27
% 1.09/6.27 % ------ Parsing...
% 1.09/6.27 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.09/6.27
% 1.09/6.27 % ------ Preprocessing...%
% 1.09/6.27
% 1.09/6.27 % SZS status Theorem for theBenchmark.p
% 1.09/6.27
% 1.09/6.27 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.09/6.27
% 1.09/6.27
%------------------------------------------------------------------------------