%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : NUM878_1 : TPTP v9.3.1. Released v5.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n010.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 02:27:09 PM UTC 2026
% Result : Theorem 0.29s 11.08s
% Output : CNFRefutation 0.29s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f21ERROR: Could not build tree for root c_75ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
tff(type_def_1,type,
$bool: $tType ).
tff(f22,plain,
! [X0: $int] : ( $product(X0,X0) != X0 ),
inference(cnf_transformation,[],[f21]) ).
tcf(c_52,plain,
! [X0_int: $int] : $product(X0_int,0) = 0,
inference(cnf_transformation,[],[f17]) ).
tcf(c_67,negated_conjecture,
! [X0_int: $int] : $product(X0_int,X0_int) != X0_int,
inference(cnf_transformation,[],[f22]) ).
tcf(c_73,plain,
$product(0,0) = 0,
inference(instantiation,[status(thm)],[c_52]) ).
tcf(c_74,plain,
$product(0,0) != 0,
inference(instantiation,[status(thm)],[c_67]) ).
tcf(c_75,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_74,c_73]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUM878_1 : TPTP v9.3.1. Released v5.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/10.39 % Computer : n010.cluster.edu
% 0.11/10.39 % Model : x86_64 x86_64
% 0.11/10.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/10.39 % Memory : 8046.5625MB
% 0.11/10.39 % OS : Linux 6.8.0-71-generic
% 0.11/10.39 % CPULimit : 300
% 0.11/10.39 % WCLimit : 300
% 0.11/10.39 % DateTime : Thu Sep 24 05:37:42 UTC 2026
% 0.11/10.39 % CPUTime :
% 0.11/10.39 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.15/10.42 Running TFA theorem proving
% 0.15/10.42 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s tfa_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/10.43
% 0.15/10.43 % ======== iProver multi-core TPTP/SMT =========
% 0.15/10.43
% 0.15/10.43 % Detected problem language: tptp
% 0.15/10.45 % Proving...
% 0.29/11.08 % SZS status Started for theBenchmark.p
% 0.29/11.08 % SZS status Theorem for theBenchmark.p
% 0.29/11.08
% 0.29/11.08 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.29/11.08
% 0.29/11.08 % ------ iProver source info
% 0.29/11.08
% 0.29/11.08 % git: date: 2026-07-19 20:42:38 +0200
% 0.29/11.08 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.29/11.08 % git: non_committed_changes: false
% 0.29/11.08
% 0.29/11.08 % ------ Parsing...
% 0.29/11.08 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.29/11.08
% 0.29/11.08 % ------ Preprocessing...%
% 0.29/11.08
% 0.29/11.08 % SZS status Theorem for theBenchmark.p
% 0.29/11.08
% 0.29/11.08 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.29/11.08
% 0.29/11.08
%------------------------------------------------------------------------------