%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : LCL763_5 : TPTP v9.3.1. Released v6.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n005.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 : Tue Sep 29 11:56:30 AM UTC 2026
% Result : Theorem 3.86s 1.52s
% Output : Refutation 3.86s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of formulae : 11 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 14 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 8 ( 5 ~; 2 |; 0 &)
% ( 0 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of types : 4 ( 3 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 12 ( 11 usr; 1 prp; 0-3 aty)
% Number of functors : 80 ( 80 usr; 6 con; 0-5 aty)
% Number of variables : 11 ( 11 !; 0 ?; 11 :)
% Comments :
%------------------------------------------------------------------------------
tff(type_def_5,type,
bool: $tType ).
tff(type_def_6,type,
dB: $tType ).
tff(type_def_7,type,
list: $tType > $tType ).
tff(type_def_8,type,
nat: $tType ).
tff(type_def_9,type,
fun: ( $tType * $tType ) > $tType ).
tff(func_def_0,type,
zero_zero:
!>[X0: $tType] : X0 ).
tff(func_def_1,type,
it: fun(dB,bool) ).
tff(func_def_2,type,
beta: fun(dB,fun(dB,bool)) ).
tff(func_def_3,type,
abs: dB > dB ).
tff(func_def_4,type,
app: fun(dB,fun(dB,dB)) ).
tff(func_def_5,type,
var: nat > dB ).
tff(func_def_6,type,
dB_case:
!>[X0: $tType] : ( ( fun(nat,X0) * fun(dB,fun(dB,X0)) * fun(dB,X0) * dB ) > X0 ) ).
tff(func_def_7,type,
dB_size: dB > nat ).
tff(func_def_8,type,
liftn: ( nat * dB * nat ) > dB ).
tff(func_def_9,type,
subst: ( dB * dB * nat ) > dB ).
tff(func_def_10,type,
substn: ( dB * dB * nat ) > dB ).
tff(func_def_11,type,
step1:
!>[X0: $tType] : ( fun(X0,fun(X0,bool)) > fun(list(X0),fun(list(X0),bool)) ) ).
tff(func_def_12,type,
append:
!>[X0: $tType] : ( ( list(X0) * list(X0) ) > list(X0) ) ).
tff(func_def_13,type,
foldl:
!>[X0: $tType,X1: $tType] : ( ( fun(X0,fun(X1,X0)) * X0 * list(X1) ) > X0 ) ).
tff(func_def_14,type,
insert:
!>[X0: $tType] : ( ( X0 * list(X0) ) > list(X0) ) ).
tff(func_def_15,type,
cons:
!>[X0: $tType] : ( ( X0 * list(X0) ) > list(X0) ) ).
tff(func_def_16,type,
nil:
!>[X0: $tType] : list(X0) ).
tff(func_def_17,type,
list_case:
!>[X0: $tType,X1: $tType] : ( ( X0 * fun(X1,fun(list(X1),X0)) * list(X1) ) > X0 ) ).
tff(func_def_18,type,
list_rec:
!>[X0: $tType,X1: $tType] : ( ( X0 * fun(X1,fun(list(X1),fun(X0,X0))) * list(X1) ) > X0 ) ).
tff(func_def_19,type,
list_size:
!>[X0: $tType] : ( ( fun(X0,nat) * list(X0) ) > nat ) ).
tff(func_def_20,type,
sublist:
!>[X0: $tType] : ( ( list(X0) * fun(nat,bool) ) > list(X0) ) ).
tff(func_def_21,type,
size_size:
!>[X0: $tType] : ( X0 > nat ) ).
tff(func_def_22,type,
conversep:
!>[X0: $tType,X1: $tType] : ( fun(X0,fun(X1,bool)) > fun(X1,fun(X0,bool)) ) ).
tff(func_def_23,type,
accp:
!>[X0: $tType] : ( fun(X0,fun(X0,bool)) > fun(X0,bool) ) ).
tff(func_def_24,type,
aa:
!>[X0: $tType,X1: $tType] : ( ( fun(X0,X1) * X0 ) > X1 ) ).
tff(func_def_25,type,
fFalse: bool ).
tff(func_def_26,type,
fTrue: bool ).
tff(func_def_27,type,
fequal:
!>[X0: $tType] : fun(X0,fun(X0,bool)) ).
tff(func_def_28,type,
n: nat ).
tff(func_def_29,type,
sK5:
!>[X0: $tType,X1: $tType] : ( fun(X0,fun(X1,X0)) > X1 ) ).
tff(func_def_30,type,
sK6:
!>[X0: $tType,X1: $tType] : ( fun(X0,fun(X1,X0)) > X1 ) ).
tff(func_def_31,type,
sK7:
!>[X0: $tType,X1: $tType] : ( fun(X0,fun(X1,X0)) > X0 ) ).
tff(func_def_32,type,
sK8: dB > dB ).
tff(func_def_33,type,
sK9: dB > dB ).
tff(func_def_34,type,
sK10: dB > list(dB) ).
tff(func_def_35,type,
sK11: dB > list(dB) ).
tff(func_def_36,type,
sK12: dB > nat ).
tff(func_def_37,type,
sK13: dB > dB ).
tff(func_def_38,type,
sK14: dB > dB ).
tff(func_def_39,type,
sK15: dB > dB ).
tff(func_def_40,type,
sK16: dB > dB ).
tff(func_def_41,type,
sK17: dB > nat ).
tff(func_def_42,type,
sK18: dB > list(dB) ).
tff(func_def_43,type,
sK19: dB > dB ).
tff(func_def_44,type,
sK20: dB > nat ).
tff(func_def_45,type,
sK21: dB > dB ).
tff(func_def_46,type,
sK22: ( dB * dB ) > dB ).
tff(func_def_47,type,
sK23: ( dB * dB * dB ) > dB ).
tff(func_def_48,type,
sK24: ( dB * dB * dB ) > dB ).
tff(func_def_49,type,
sK25: ( dB * dB * dB ) > dB ).
tff(func_def_50,type,
sK26: ( dB * list(dB) * nat ) > list(dB) ).
tff(func_def_51,type,
sK27: ( dB * dB ) > dB ).
tff(func_def_52,type,
sK28: ( dB * dB ) > dB ).
tff(func_def_53,type,
sK29: ( dB * dB ) > dB ).
tff(func_def_54,type,
sK30: ( dB * dB ) > dB ).
tff(func_def_55,type,
sK31: ( dB * dB ) > dB ).
tff(func_def_56,type,
sK32: ( dB * dB ) > dB ).
tff(func_def_57,type,
sK33: ( dB * dB ) > dB ).
tff(func_def_58,type,
sK34: ( dB * dB ) > dB ).
tff(func_def_59,type,
sK35: ( dB * dB ) > dB ).
tff(func_def_60,type,
sK36: ( dB * dB ) > dB ).
tff(func_def_61,type,
sK37: ( dB * list(dB) * dB ) > dB ).
tff(func_def_62,type,
sK38: ( dB * list(dB) * dB ) > dB ).
tff(func_def_63,type,
sK39: ( dB * list(dB) * dB ) > list(dB) ).
tff(func_def_64,type,
sK40: ( dB * list(dB) * dB ) > list(dB) ).
tff(func_def_65,type,
sK41: ( dB * list(dB) * dB ) > dB ).
tff(func_def_66,type,
sK42:
!>[X0: $tType,X1: $tType] : ( ( fun(X1,X0) * fun(X1,X0) ) > X1 ) ).
tff(func_def_67,type,
sK43:
!>[X0: $tType] : ( ( list(X0) * fun(X0,bool) ) > X0 ) ).
tff(func_def_68,type,
sK44:
!>[X0: $tType] : ( ( list(X0) * fun(X0,bool) ) > list(X0) ) ).
tff(func_def_69,type,
sK45:
!>[X0: $tType] : ( list(X0) > X0 ) ).
tff(func_def_70,type,
sK46:
!>[X0: $tType] : ( list(X0) > list(X0) ) ).
tff(func_def_71,type,
sK47:
!>[X0: $tType] : ( list(X0) > X0 ) ).
tff(func_def_72,type,
sK48:
!>[X0: $tType] : ( list(X0) > list(X0) ) ).
tff(func_def_73,type,
sK49:
!>[X0: $tType] : ( ( list(X0) * X0 * list(X0) * fun(X0,fun(X0,bool)) ) > list(X0) ) ).
tff(func_def_74,type,
sK50:
!>[X0: $tType] : ( ( list(X0) * X0 * list(X0) * fun(X0,fun(X0,bool)) ) > X0 ) ).
tff(func_def_75,type,
sK51:
!>[X0: $tType,X1: $tType] : ( ( X0 * X1 * fun(X0,fun(X1,bool)) ) > X0 ) ).
tff(func_def_76,type,
sK52:
!>[X0: $tType,X1: $tType] : ( ( X0 * X1 * fun(X0,fun(X1,bool)) ) > X1 ) ).
tff(func_def_77,type,
sK53: ( list(dB) * dB * dB * dB ) > list(dB) ).
tff(pred_def_1,type,
zero:
!>[X0: $tType] : $o ).
tff(pred_def_2,type,
list_ex1:
!>[X0: $tType] : ( ( fun(X0,bool) * list(X0) ) > $o ) ).
tff(pred_def_3,type,
listsp:
!>[X0: $tType] : ( ( fun(X0,bool) * list(X0) ) > $o ) ).
tff(pred_def_4,type,
member:
!>[X0: $tType] : ( ( X0 * fun(X0,bool) ) > $o ) ).
tff(pred_def_5,type,
pp: bool > $o ).
tff(pred_def_6,type,
sP0: dB > $o ).
tff(pred_def_7,type,
sP1: ( dB * dB ) > $o ).
tff(pred_def_8,type,
sP2: ( dB * dB ) > $o ).
tff(pred_def_9,type,
sP3: ( dB * dB ) > $o ).
tff(pred_def_10,type,
sP4: ( dB * list(dB) * dB ) > $o ).
tff(pred_def_11,type,
sQ54_eqProxy:
!>[X0: $tType] : ( ( X0 * X0 ) > $o ) ).
tff(f9,axiom,
! [X0: nat,X1: list(dB)] :
( listsp(dB,it,X1)
=> pp(aa(dB,bool,it,foldl(dB,dB,app,var(X0),X1))) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_8_IT_OVar) ).
tff(f14,axiom,
! [X0: $tType,X1: fun(X0,bool)] : listsp(X0,X1,nil(X0)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_13_listsp_ONil) ).
tff(f105,conjecture,
pp(aa(dB,bool,it,foldl(dB,dB,app,var(n),nil(dB)))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',conj_0) ).
tff(f106,negated_conjecture,
~ pp(aa(dB,bool,it,foldl(dB,dB,app,var(n),nil(dB)))),
inference(negated_conjecture,[status(cth)],[f105]) ).
tff(f111,plain,
~ pp(aa(dB,bool,it,foldl(dB,dB,app,var(n),nil(dB)))),
inference(flattening,[],[f106]) ).
tff(f113,plain,
! [X0: nat,X1: list(dB)] :
( pp(aa(dB,bool,it,foldl(dB,dB,app,var(X0),X1)))
| ~ listsp(dB,it,X1) ),
inference(ennf_transformation,[],[f9]) ).
tff(f251,plain,
! [X0: nat,X1: list(dB)] :
( ~ listsp(dB,it,X1)
| pp(aa(dB,bool,it,foldl(dB,dB,app,var(X0),X1))) ),
inference(cnf_transformation,[],[f113]) ).
tff(f261,plain,
! [X0: $tType,X1: fun(X0,bool)] : listsp(X0,X1,nil(X0)),
inference(cnf_transformation,[],[f14]) ).
tff(f432,plain,
~ pp(aa(dB,bool,it,foldl(dB,dB,app,var(n),nil(dB)))),
inference(cnf_transformation,[],[f111]) ).
tff(f683,plain,
! [X0: nat] : pp(aa(dB,bool,it,foldl(dB,dB,app,var(X0),nil(dB)))),
inference(resolution,[],[f251,f261]) ).
tff(f684,plain,
$false,
inference(resolution,[],[f683,f432]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL763_5 : TPTP v9.3.1. Released v6.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.38 % Computer : n005.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 : Sun Sep 27 16:45:32 UTC 2026
% 0.10/0.38 % CPUTime :
% 0.10/0.38 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.41 Running first-order theorem proving
% 0.10/0.41 Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 3.86/1.52 % (5192)Detected formulas, will run a generic FOF schedule.
% 3.86/1.52 % (5198)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=3799862595:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 3.86/1.52 % (5197)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=3746163286:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 3.86/1.52 % (5199)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=2305110190:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 3.86/1.52 % (5202)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=4168538136:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 3.86/1.52 % (5200)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1305509830:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 3.86/1.52 % (5201)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=2775294580:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 3.86/1.52 % (5203)dis-21_1_sil=8000:lcm=predicate:random_seed=3918174015:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 3.86/1.52 % (5200)WARNING: Not using GeneralSplitting currently not compatible with polymorphic/higher-order inputs.
% 3.86/1.52 % (5200)Refutation not found, incomplete strategy
% 3.86/1.52 % (5200)------------------------------
% 3.86/1.52 % (5200)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.86/1.52 % (5200)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.86/1.52 % (5200)CaDiCaL version: 2.1.3
% 3.86/1.52 % (5200)Termination reason: Refutation not found, incomplete strategy
% 3.86/1.52 % (5200)Time elapsed: 0.003 s
% 3.86/1.52 % (5200)Peak memory usage: 88 MB
% 3.86/1.52 % (5200)Instructions burned: 3 (million)
% 3.86/1.52 % (5199)WARNING: Not using GeneralSplitting currently not compatible with polymorphic/higher-order inputs.
% 3.86/1.52 % (5203)First to succeed.
% 3.86/1.52 % (5203)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-5192"
% 3.86/1.52 % (5202)Also succeeded, but the first one will report.
% 3.86/1.52 % (5201)Instruction limit reached!
% 3.86/1.52 % (5201)------------------------------
% 3.86/1.52 % (5201)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.86/1.52 % (5201)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.86/1.52 % (5201)CaDiCaL version: 2.1.3
% 3.86/1.52 % (5201)Termination reason: Instruction limit
% 3.86/1.52 % (5201)Termination phase: Saturation
% 3.86/1.52 % (5201)Time elapsed: 0.072 s
% 3.86/1.52 % (5201)Peak memory usage: 88 MB
% 3.86/1.52 % (5201)Instructions burned: 120 (million)
% 3.86/1.52 % Exception at run slice level
% 3.86/1.52 User error: GNN currently only supports monomorphic FOL.
% 3.86/1.52 % (5200)------------------------------
% 3.86/1.52 % (5200)------------------------------
% 3.86/1.52 % (5211)lrs+10_1_sil=8000:sp=occurrence:random_seed=3356164370:i=285:sd=3:ss=axioms:sgt=8_2997 on theBenchmark for (2997ds/285Mi)
% 3.86/1.52 % (5211)Also succeeded, but the first one will report.
% 3.86/1.52 % (5203)Refutation found. Thanks to Tanya!
% 3.86/1.52 % SZS status Theorem for theBenchmark
% 3.86/1.52 % SZS output start Proof for theBenchmark
% See solution above
% 3.86/1.52 % (5203)------------------------------
% 3.86/1.52 % (5203)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.86/1.52 % (5203)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.86/1.52 % (5203)CaDiCaL version: 2.1.3
% 3.86/1.52 % (5203)Termination reason: Refutation
% 3.86/1.52 % (5203)Time elapsed: 0.013 s
% 3.86/1.52 % (5203)Peak memory usage: 88 MB
% 3.86/1.52 % (5203)Instructions burned: 22 (million)
% 3.86/1.52 % (5203)------------------------------
% 3.86/1.52 % (5203)------------------------------
% 3.86/1.52 % (5192)Success in time 0.46 s
% 3.86/1.52 % Vampire exiting
%------------------------------------------------------------------------------