%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC210-1 : 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 03:08:53 PM UTC 2026
% Result : Unsatisfiable 2.41s 1.30s
% Output : CNFRefutation 2.41s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f249ERROR: Could not build tree for root c_4684ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause8) ).
fof(f11,axiom,
~ singletonP(nil),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause11) ).
fof(f101,axiom,
! [X0,X1] :
( X1 = X0
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause100) ).
fof(f102,plain,
! [X0,X1] :
( X0 = X1
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(reorient_equations,[],[f101]) ).
fof(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_3) ).
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)
| ~ neq(sk1,nil) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
fof(f218,plain,
( ~ neq(sk4,nil)
| ~ neq(sk3,nil) ),
inference(definition_unfolding,[],[f211,f205]) ).
tcf(c_253,plain,
ssList(nil),
inference(cnf_transformation,[],[f8]) ).
tcf(c_256,plain,
~ singletonP(nil),
inference(cnf_transformation,[],[f11]) ).
tcf(c_345,plain,
! [X0: $i,X1: $i] :
( neq(X1,X0)
| ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f102]) ).
tcf(c_433,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
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,
( ~ neq(sk4,nil)
| ~ neq(sk3,nil) ),
inference(cnf_transformation,[],[f218]) ).
tcf(c_549,negated_conjecture,
singletonP(sk3),
inference(global_subsumption_just,[status(thm)],[c_438,c_435,c_438]) ).
tcf(c_559,negated_conjecture,
~ neq(sk3,nil),
inference(global_subsumption_just,[status(thm)],[c_439,c_435,c_439]) ).
tcf(c_2765,plain,
! [X0: $i,X1: $i] :
( ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0)
| ( X1 != sk3 )
| ( X0 != nil ) ),
inference(resolution_lifted,[status(thm)],[c_345,c_559]) ).
tcf(c_2766,plain,
( ( nil = sk3 )
| ~ ssList(nil)
| ~ ssList(sk3) ),
inference(unflattening,[status(thm)],[c_2765]) ).
tcf(c_2767,plain,
nil = sk3,
inference(global_subsumption_just,[status(thm)],[c_2766,c_433,c_253,c_2766]) ).
tcf(c_4683,plain,
singletonP(nil),
inference(demodulation,[status(thm)],[c_549,c_2767]) ).
tcf(c_4684,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_4683,c_256]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC210-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.38 % Computer : n020.cluster.edu
% 0.10/0.38 % Model : x86_64 x86_64
% 0.10/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.38 % Memory : 8046.5625MB
% 0.10/0.38 % OS : Linux 6.8.0-71-generic
% 0.10/0.38 % CPULimit : 300
% 0.10/0.38 % WCLimit : 300
% 0.10/0.38 % DateTime : Thu Sep 24 17:01:03 UTC 2026
% 0.10/0.38 % CPUTime :
% 0.10/0.38 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.42 Running first-order theorem proving
% 0.10/0.42 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
% 0.10/0.43
% 0.10/0.43 % ======== iProver multi-core TPTP/SMT =========
% 0.10/0.43
% 0.10/0.43 % Detected problem language: tptp
% 0.10/0.44 % Proving...
% 2.41/1.30 % SZS status Started for theBenchmark.p
% 2.41/1.30 % SZS status Unsatisfiable for theBenchmark.p
% 2.41/1.30
% 2.41/1.30 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.41/1.30
% 2.41/1.30 % ------ iProver source info
% 2.41/1.30
% 2.41/1.30 % git: date: 2026-07-19 20:42:38 +0200
% 2.41/1.30 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.41/1.30 % git: non_committed_changes: false
% 2.41/1.30
% 2.41/1.30 % ------ Parsing...% successful
% 2.41/1.30
% 2.41/1.30
% 2.41/1.30 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.41/1.30
% 2.41/1.30 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e %
% 2.41/1.30
% 2.41/1.30 % SZS status Unsatisfiable for theBenchmark.p
% 2.41/1.30
% 2.41/1.30 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.41/1.30
% 2.41/1.30
%------------------------------------------------------------------------------