%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC012-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/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 03:07:30 PM UTC 2026
% Result : Unsatisfiable 3.16s 1.39s
% Output : CNFRefutation 3.16s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f230ERROR: Could not build tree for root c_1295ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).
fof(f73,axiom,
! [X0] :
( app(X0,nil) = X0
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause73) ).
fof(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_3) ).
fof(f203,negated_conjecture,
ssList(sk4),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_4) ).
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).
fof(f213,negated_conjecture,
! [X2,X0,X1] :
( ~ neq(sk4,nil)
| app(X1,X2) != sk1
| app(app(X1,cons(X0,nil)),X2) != sk2
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssItem(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).
fof(f214,plain,
! [X2,X0,X1] :
( ~ neq(sk4,nil)
| app(X1,X2) != sk1
| sk2 != app(app(X1,cons(X0,nil)),X2)
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssItem(X0) ),
inference(reorient_equations,[],[f213]) ).
fof(f215,negated_conjecture,
( ~ neq(sk4,nil)
| ssItem(sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).
fof(f216,negated_conjecture,
( ~ neq(sk4,nil)
| app(sk3,cons(sk5,nil)) = sk4 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).
fof(f217,plain,
( ~ neq(sk4,nil)
| sk4 = app(sk3,cons(sk5,nil)) ),
inference(reorient_equations,[],[f216]) ).
fof(f225,plain,
! [X2,X0,X1] :
( ~ neq(sk4,nil)
| app(X1,X2) != sk3
| sk4 != app(app(X1,cons(X0,nil)),X2)
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssItem(X0) ),
inference(definition_unfolding,[],[f214,f204,f205]) ).
tcf(c_250,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_251,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_252,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f230]) ).
tcf(c_256,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( ~ ssItem(X2)
| ~ ssList(X1)
| ~ ssList(X0)
| ~ neq(sk4,nil)
| ( app(X0,X1) != sk3 )
| ( app(app(X0,cons(X2,nil)),X1) != sk4 ) ),
inference(cnf_transformation,[],[f225]) ).
tcf(c_257,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f215]) ).
tcf(c_258,negated_conjecture,
( ( app(sk3,cons(sk5,nil)) = sk4 )
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f217]) ).
tcf(c_265,plain,
! [X0: $i] :
( ( app(X0,nil) = X0 )
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f73]) ).
tcf(c_266,plain,
ssList(nil),
inference(cnf_transformation,[],[f8]) ).
tcf(c_297,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_257,c_252,c_257]) ).
tcf(c_303,negated_conjecture,
app(sk3,cons(sk5,nil)) = sk4,
inference(global_subsumption_just,[status(thm)],[c_258,c_252,c_258]) ).
tcf(c_307,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ ssItem(X2)
| ~ ssList(X1)
| ~ ssList(X0)
| ( app(app(X0,cons(X2,nil)),X1) != sk4 )
| ( app(X0,X1) != sk3 ) ),
inference(global_subsumption_just,[status(thm)],[c_256,c_252,c_256]) ).
tcf(c_308,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( ~ ssItem(X1)
| ~ ssList(X2)
| ~ ssList(X0)
| ( app(X0,X2) != sk3 )
| ( app(app(X0,cons(X1,nil)),X2) != sk4 ) ),
inference(renaming,[status(thm)],[c_307]) ).
tcf(c_1269,plain,
! [X0: $i] :
( ~ ssItem(sk5)
| ~ ssList(sk3)
| ~ ssList(X0)
| ( app(sk4,X0) != sk4 )
| ( app(sk3,X0) != sk3 ) ),
inference(superposition,[status(thm)],[c_303,c_308]) ).
tcf(c_1270,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( app(sk4,X0) != sk4 )
| ( app(sk3,X0) != sk3 ) ),
inference(forward_subsumption_resolution,[status(thm)],[c_1269,c_297,c_250]) ).
tcf(c_1274,plain,
( ~ ssList(nil)
| ( app(sk4,nil) != sk4 )
| ( app(sk3,nil) != sk3 ) ),
inference(instantiation,[status(thm)],[c_1270]) ).
tcf(c_1292,plain,
app(sk3,nil) = sk3,
inference(superposition,[status(thm)],[c_250,c_265]) ).
tcf(c_1293,plain,
app(sk4,nil) = sk4,
inference(superposition,[status(thm)],[c_251,c_265]) ).
tcf(c_1295,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_1292,c_1293,c_1274,c_266]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SWC012-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.14/0.42 % Computer : n020.cluster.edu
% 0.14/0.42 % Model : x86_64 x86_64
% 0.14/0.42 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.42 % Memory : 8046.5625MB
% 0.14/0.42 % OS : Linux 6.8.0-71-generic
% 0.14/0.42 % CPULimit : 300
% 0.14/0.42 % WCLimit : 300
% 0.14/0.42 % DateTime : Thu Sep 24 15:55:33 UTC 2026
% 0.14/0.43 % CPUTime :
% 0.14/0.43 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.14/0.48 Running first-order theorem proving
% 0.14/0.48 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
% 0.23/0.50
% 0.23/0.50 % ======== iProver multi-core TPTP/SMT =========
% 0.23/0.50
% 0.23/0.50 % Detected problem language: tptp
% 0.23/0.52 % Proving...
% 3.16/1.39 % SZS status Started for theBenchmark.p
% 3.16/1.39 % SZS status Unsatisfiable for theBenchmark.p
% 3.16/1.39
% 3.16/1.39 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.16/1.39
% 3.16/1.39 % ------ iProver source info
% 3.16/1.39
% 3.16/1.39 % git: date: 2026-07-19 20:42:38 +0200
% 3.16/1.39 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.16/1.39 % git: non_committed_changes: false
% 3.16/1.39
% 3.16/1.39 % ------ Parsing...% successful
% 3.16/1.39
% 3.16/1.39
% 3.16/1.39 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.16/1.39
% 3.16/1.39 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 0 sf_s rm: 2 0s sf_e pe_s pe_e %
% 3.16/1.39
% 3.16/1.39 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.16/1.39
% 3.16/1.39 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.16/1.39 % ------ Proving...
% 3.16/1.39 % ------ Problem Properties
% 3.16/1.39
% 3.16/1.39 %
% 3.16/1.39 % clauses 23
% 3.16/1.39 % conjectures 5
% 3.16/1.39 % EPR 5
% 3.16/1.39 % Horn 23
% 3.16/1.39 % unary 7
% 3.16/1.39 % binary 2
% 3.16/1.39 % lits 69
% 3.16/1.39 % lits eq 24
% 3.16/1.39 % fd_pure 0
% 3.16/1.39 % fd_pseudo 0
% 3.16/1.39 % fd_cond 2
% 3.16/1.39 % fd_pseudo_cond 4
% 3.16/1.39 % AC symbols 0
% 3.16/1.39
% 3.16/1.39 % ------ Schedule dynamic 5 is on
% 3.16/1.39
% 3.16/1.39 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.16/1.39
% 3.16/1.39
% 3.16/1.39 % ------
% 3.16/1.39 % Current options:
% 3.16/1.39 % ------
% 3.16/1.39
% 3.16/1.39
% 3.16/1.39 %
% 3.16/1.39
% 3.16/1.39 % ------ Proving...
% 3.16/1.39 %
% 3.16/1.39
% 3.16/1.39 % SZS status Unsatisfiable for theBenchmark.p
% 3.16/1.39
% 3.16/1.39 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.16/1.39
% 3.16/1.39
%------------------------------------------------------------------------------