%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC380-1 : 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 : n011.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 03:09:33 PM UTC 2026
% Result : Unsatisfiable 0.82s 1.28s
% Output : CNFRefutation 0.82s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f238ERROR: Could not build tree for root c_1900ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f125,axiom,
! [X0,X1] :
( app(cons(X0,nil),X1) = cons(X0,X1)
| ~ ssList(X1)
| ~ ssItem(X0) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause120) ).
fof(f126,plain,
! [X0,X1] :
( cons(X0,X1) = app(cons(X0,nil),X1)
| ~ ssList(X1)
| ~ ssItem(X0) ),
inference(reorient_equations,[],[f125]) ).
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f215,negated_conjecture,
! [X0] :
( ~ neq(sk4,nil)
| ~ memberP(sk2,X0)
| cons(X0,nil) != sk1
| ~ ssItem(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
fof(f216,negated_conjecture,
( ~ neq(sk4,nil)
| ssItem(sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_15) ).
fof(f217,negated_conjecture,
( ~ neq(sk4,nil)
| ssList(sk6) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_16) ).
fof(f218,negated_conjecture,
( ~ neq(sk4,nil)
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_17) ).
fof(f219,plain,
( ~ neq(sk4,nil)
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f218]) ).
fof(f220,negated_conjecture,
( ~ neq(sk4,nil)
| app(cons(sk5,nil),sk6) = sk4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_18) ).
fof(f221,plain,
( ~ neq(sk4,nil)
| sk4 = app(cons(sk5,nil),sk6) ),
inference(reorient_equations,[],[f220]) ).
fof(f231,plain,
! [X0] :
( ~ neq(sk4,nil)
| ~ memberP(sk4,X0)
| cons(X0,nil) != sk3
| ~ ssItem(X0) ),
inference(definition_unfolding,[],[f215,f205,f204]) ).
tcf(c_256,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f238]) ).
tcf(c_262,negated_conjecture,
! [X0: $i] :
( ~ ssItem(X0)
| ~ neq(sk4,nil)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != sk3 ) ),
inference(cnf_transformation,[],[f231]) ).
tcf(c_263,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f216]) ).
tcf(c_264,negated_conjecture,
( ssList(sk6)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f217]) ).
tcf(c_265,negated_conjecture,
( ( cons(sk5,nil) = sk3 )
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f219]) ).
tcf(c_266,negated_conjecture,
( ( app(cons(sk5,nil),sk6) = sk4 )
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f221]) ).
tcf(c_268,plain,
! [X0: $i,X1: $i] :
( ( app(cons(X1,nil),X0) = cons(X1,X0) )
| ~ ssItem(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f126]) ).
tcf(c_285,plain,
! [X0: $i,X1: $i] :
( memberP(cons(X1,X0),X1)
| ~ ssItem(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f242]) ).
tcf(c_320,negated_conjecture,
ssList(sk6),
inference(global_subsumption_just,[status(thm)],[c_264,c_256,c_264]) ).
tcf(c_322,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_263,c_256,c_263]) ).
tcf(c_328,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_265,c_256,c_265]) ).
tcf(c_332,negated_conjecture,
app(cons(sk5,nil),sk6) = sk4,
inference(global_subsumption_just,[status(thm)],[c_266,c_256,c_266]) ).
tcf(c_336,plain,
! [X0: $i] :
( ~ ssItem(X0)
| ( cons(X0,nil) != sk3 )
| ~ memberP(sk4,X0) ),
inference(global_subsumption_just,[status(thm)],[c_262,c_256,c_262]) ).
tcf(c_337,negated_conjecture,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != sk3 ) ),
inference(renaming,[status(thm)],[c_336]) ).
tcf(c_585,plain,
app(sk3,sk6) = sk4,
inference(light_normalisation,[status(thm)],[c_332,c_328]) ).
tcf(c_1748,plain,
( ~ ssItem(sk5)
| ~ memberP(sk4,sk5) ),
inference(superposition,[status(thm)],[c_328,c_337]) ).
tcf(c_1749,plain,
~ memberP(sk4,sk5),
inference(forward_subsumption_resolution,[status(thm)],[c_1748,c_322]) ).
tcf(c_1839,plain,
! [X0: $i] :
( ( app(cons(sk5,nil),X0) = cons(sk5,X0) )
| ~ ssList(X0) ),
inference(superposition,[status(thm)],[c_322,c_268]) ).
tcf(c_1840,plain,
! [X0: $i] :
( ( cons(sk5,X0) = app(sk3,X0) )
| ~ ssList(X0) ),
inference(light_normalisation,[status(thm)],[c_1839,c_328]) ).
tcf(c_1882,plain,
cons(sk5,sk6) = app(sk3,sk6),
inference(superposition,[status(thm)],[c_320,c_1840]) ).
tcf(c_1887,plain,
cons(sk5,sk6) = sk4,
inference(light_normalisation,[status(thm)],[c_1882,c_585]) ).
tcf(c_1896,plain,
( memberP(sk4,sk5)
| ~ ssItem(sk5)
| ~ ssList(sk6) ),
inference(superposition,[status(thm)],[c_1887,c_285]) ).
tcf(c_1900,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_1896,c_1749,c_322,c_320]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC380-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.36 % Computer : n011.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Thu Sep 24 17:56:42 UTC 2026
% 0.03/0.36 % CPUTime :
% 0.03/0.36 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.03/0.40 Running first-order theorem proving
% 0.03/0.40 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
% 0.03/0.41
% 0.03/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.03/0.41
% 0.03/0.42 % Detected problem language: tptp
% 0.03/0.43 % Proving...
% 0.82/1.28 % SZS status Started for theBenchmark.p
% 0.82/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 0.82/1.28
% 0.82/1.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.82/1.28
% 0.82/1.28 % ------ iProver source info
% 0.82/1.28
% 0.82/1.28 % git: date: 2026-07-19 20:42:38 +0200
% 0.82/1.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.82/1.28 % git: non_committed_changes: false
% 0.82/1.28
% 0.82/1.28 % ------ Parsing...% successful
% 0.82/1.28
% 0.82/1.28
% 0.82/1.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.82/1.28
% 0.82/1.28 % ------ Preprocessing... sup_sim: 1 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 %
% 0.82/1.28
% 0.82/1.28 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 0.82/1.28
% 0.82/1.28 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 0.82/1.28 % ------ Proving...
% 0.82/1.28 % ------ Problem Properties
% 0.82/1.28
% 0.82/1.28 %
% 0.82/1.28 % clauses 33
% 0.82/1.28 % conjectures 6
% 0.82/1.28 % EPR 7
% 0.82/1.28 % Horn 31
% 0.82/1.28 % unary 9
% 0.82/1.28 % binary 3
% 0.82/1.28 % lits 106
% 0.82/1.28 % lits eq 25
% 0.82/1.28 % fd_pure 0
% 0.82/1.28 % fd_pseudo 0
% 0.82/1.28 % fd_cond 2
% 0.82/1.28 % fd_pseudo_cond 5
% 0.82/1.28 % AC symbols 0
% 0.82/1.28
% 0.82/1.28 % ------ Schedule dynamic 5 is on
% 0.82/1.28
% 0.82/1.28 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.82/1.28
% 0.82/1.28
% 0.82/1.28 % ------
% 0.82/1.28 % Current options:
% 0.82/1.28 % ------
% 0.82/1.28
% 0.82/1.28
% 0.82/1.28 %
% 0.82/1.28
% 0.82/1.28 % ------ Proving...
% 0.82/1.28 %
% 0.82/1.28
% 0.82/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 0.82/1.28
% 0.82/1.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.82/1.28
% 0.82/1.28
%------------------------------------------------------------------------------