%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : NUM837+1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n003.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 02:26:50 PM UTC 2026
% Result : Theorem 1.57s 1.18s
% Output : CNFRefutation 1.57s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f4ERROR: Could not build tree for root c_447ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f49,plain,
! [X0,X1] :
( ( ~ less(X1,X0)
| ? [X2] : X0 = vplus(X1,X2) )
& ( ! [X2] : vplus(X1,X2) != X0
| less(X1,X0) ) ),
inference(nnf_transformation,[],[f15]) ).
fof(f50,plain,
! [X0,X1] :
( ( ~ less(X1,X0)
| ? [X3] : vplus(X1,X3) = X0 )
& ( ! [X2] : vplus(X1,X2) != X0
| less(X1,X0) ) ),
inference(rectify,[],[f49]) ).
fof(f51,plain,
! [X0,X1] :
( ( ~ less(X1,X0)
| vplus(X1,sK0(X0,X1)) = X0 )
& ( ! [X2] : vplus(X1,X2) != X0
| less(X1,X0) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X3,sK0(X0,X1))],[f50]) ).
fof(f56,plain,
! [X0] : vd269 != vplus(vd268,X0),
inference(cnf_transformation,[],[f33]) ).
fof(f58,plain,
less(vd268,vd269),
inference(cnf_transformation,[],[f4]) ).
fof(f73,plain,
! [X0,X1] :
( ~ less(X1,X0)
| vplus(X1,sK0(X0,X1)) = X0 ),
inference(cnf_transformation,[],[f51]) ).
tcf(c_49,negated_conjecture,
! [X0: $i] : vplus(vd268,X0) != vd269,
inference(cnf_transformation,[],[f56]) ).
tcf(c_51,plain,
less(vd268,vd269),
inference(cnf_transformation,[],[f58]) ).
tcf(c_67,plain,
! [X0: $i,X1: $i] :
( ( vplus(X0,sK0(X1,X0)) = X1 )
| ~ less(X0,X1) ),
inference(cnf_transformation,[],[f73]) ).
tcf(c_443,plain,
! [X0: $i,X1: $i] :
( ( vplus(X1,sK0(X0,X1)) = X0 )
| ( X1 != vd268 )
| ( X0 != vd269 ) ),
inference(resolution_lifted,[status(thm)],[c_51,c_67]) ).
tcf(c_444,plain,
vplus(vd268,sK0(vd269,vd268)) = vd269,
inference(unflattening,[status(thm)],[c_443]) ).
tcf(c_447,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_444,c_49]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : NUM837+1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n003.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Thu Sep 24 05:34:20 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.41 Running first-order theorem proving
% 0.11/0.41 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.42
% 0.11/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.42
% 0.11/0.42 % Detected problem language: tptp
% 0.11/0.43 % Proving...
% 1.57/1.18 % SZS status Started for theBenchmark.p
% 1.57/1.18 % SZS status Theorem for theBenchmark.p
% 1.57/1.18
% 1.57/1.18 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.57/1.18
% 1.57/1.18 % ------ iProver source info
% 1.57/1.18
% 1.57/1.18 % git: date: 2026-07-19 20:42:38 +0200
% 1.57/1.18 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.57/1.18 % git: non_committed_changes: false
% 1.57/1.18
% 1.57/1.18 % ------ Parsing...
% 1.57/1.18 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.57/1.18
% 1.57/1.18 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe:2:0s%
% 1.57/1.18
% 1.57/1.18 % SZS status Theorem for theBenchmark.p
% 1.57/1.18
% 1.57/1.18 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.57/1.18
% 1.57/1.18
%------------------------------------------------------------------------------