%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : NUN062+2 : TPTP v9.3.1. Released v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n006.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 12:26:41 PM UTC 2026
% Result : Theorem 5.74s 1.94s
% Output : Refutation 5.74s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 3
% Syntax : Number of formulae : 20 ( 7 unt; 0 def)
% Number of atoms : 51 ( 17 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 55 ( 24 ~; 17 |; 14 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 5 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 6 ( 6 usr; 1 con; 0-2 aty)
% Number of variables : 53 ( 41 !; 12 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f5,axiom,
! [X0,X1] :
? [X2] :
( ? [X3] :
( ? [X4] :
( r2(X1,X4)
& r3(X0,X4,X3) )
& X3 = X2 )
& ? [X5] :
( r2(X5,X2)
& r3(X0,X1,X5) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_1a) ).
fof(f11,axiom,
! [X0,X1] :
( ! [X2] :
( ~ r1(X2)
| X2 != X1 )
| ~ r2(X0,X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_7a) ).
fof(f12,conjecture,
! [X0] :
? [X1,X2] :
( ! [X3] :
( ~ r1(X3)
| X2 != X3 )
& ? [X4] :
( r3(X0,X2,X4)
& X4 = X1 ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',infiniteNumbers) ).
fof(f13,negated_conjecture,
~ ! [X0] :
? [X1,X2] :
( ! [X3] :
( ~ r1(X3)
| X2 != X3 )
& ? [X4] :
( r3(X0,X2,X4)
& X4 = X1 ) ),
inference(negated_conjecture,[status(cth)],[f12]) ).
fof(f14,plain,
? [X0] :
! [X1,X2] :
( ? [X3] :
( r1(X3)
& X2 = X3 )
| ! [X4] :
( ~ r3(X0,X2,X4)
| X1 != X4 ) ),
inference(ennf_transformation,[],[f13]) ).
fof(f15,plain,
! [X1,X2] :
( ( r1(sK1(X2))
& sK1(X2) = X2 )
| ! [X4] :
( ~ r3(sK0,X2,X4)
| X1 != X4 ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X3,sK1(X2))],[f14]) ).
fof(f19,plain,
! [X0,X1] :
( r2(X1,sK10(X0,X1))
& r3(X0,sK10(X0,X1),sK9(X0,X1))
& sK8(X0,X1) = sK9(X0,X1)
& r2(sK11(X0,X1),sK8(X0,X1))
& r3(X0,X1,sK11(X0,X1)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK8,sK9,sK10,sK11]),skolemize(X2,sK8(X0,X1)),skolemize(X3,sK9(X0,X1)),skolemize(X4,sK10(X0,X1)),skolemize(X5,sK11(X0,X1))],[f5]) ).
fof(f22,plain,
! [X2,X1,X4] :
( sK1(X2) = X2
| ~ r3(sK0,X2,X4)
| X1 != X4 ),
inference(cnf_transformation,[],[f15]) ).
fof(f23,plain,
! [X2,X1,X4] :
( r1(sK1(X2))
| ~ r3(sK0,X2,X4)
| X1 != X4 ),
inference(cnf_transformation,[],[f15]) ).
fof(f24,plain,
! [X2,X0,X1] :
( ~ r1(X2)
| X1 != X2
| ~ r2(X0,X1) ),
inference(cnf_transformation,[],[f11]) ).
fof(f36,plain,
! [X0,X1] : r3(X0,X1,sK11(X0,X1)),
inference(cnf_transformation,[],[f19]) ).
fof(f40,plain,
! [X0,X1] : r2(X1,sK10(X0,X1)),
inference(cnf_transformation,[],[f19]) ).
fof(f51,plain,
! [X2,X4] :
( ~ r3(sK0,X2,X4)
| r1(sK1(X2)) ),
inference(equality_resolution,[],[f23]) ).
fof(f52,plain,
! [X2,X4] :
( ~ r3(sK0,X2,X4)
| sK1(X2) = X2 ),
inference(equality_resolution,[],[f22]) ).
fof(f53,plain,
! [X2,X0] :
( ~ r2(X0,X2)
| ~ r1(X2) ),
inference(equality_resolution,[],[f24]) ).
fof(f64,plain,
! [X0,X1] : ~ r1(sK10(X0,X1)),
inference(resolution,[],[f53,f40]) ).
fof(f68,plain,
! [X0] : sK1(X0) = X0,
inference(resolution,[],[f36,f52]) ).
fof(f69,plain,
! [X0] : r1(sK1(X0)),
inference(resolution,[],[f36,f51]) ).
fof(f72,plain,
! [X0] : r1(X0),
inference(superposition,[],[f69,f68]) ).
fof(f74,plain,
$false,
inference(resolution,[],[f72,f64]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUN062+2 : TPTP v9.3.1. Released v7.3.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.14/0.41 % Computer : n006.cluster.edu
% 0.14/0.41 % Model : x86_64 x86_64
% 0.14/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.41 % Memory : 8046.5625MB
% 0.14/0.41 % OS : Linux 6.8.0-71-generic
% 0.14/0.41 % CPULimit : 300
% 0.14/0.41 % WCLimit : 300
% 0.14/0.41 % DateTime : Sun Sep 27 21:51:55 UTC 2026
% 0.14/0.41 % CPUTime :
% 0.14/0.41 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.14/0.47 Running first-order theorem proving
% 0.14/0.47 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
% 5.74/1.94 % (3357554)Detected formulas, will run a generic FOF schedule.
% 5.74/1.94 % (3357560)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=3648263607:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 5.74/1.94 % (3357562)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=4039869042:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 5.74/1.94 % (3357561)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=1680515299:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 5.74/1.94 % (3357559)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=1130955132:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 5.74/1.94 % (3357562)Refutation not found, incomplete strategy
% 5.74/1.94 % (3357562)------------------------------
% 5.74/1.94 % (3357562)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.74/1.94 % (3357562)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.74/1.94 % (3357562)CaDiCaL version: 2.1.3
% 5.74/1.94 % (3357562)Termination reason: Refutation not found, incomplete strategy
% 5.74/1.94 % (3357562)Time elapsed: 0.003 s
% 5.74/1.94 % (3357562)Peak memory usage: 88 MB
% 5.74/1.94 % (3357562)Instructions burned: 1 (million)
% 5.74/1.94 % (3357563)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=3444394335:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 5.74/1.94 % (3357565)dis-21_1_sil=8000:lcm=predicate:random_seed=1047837995: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)
% 5.74/1.94 % (3357564)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=3433297808:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 5.74/1.94 % (3357563)First to succeed.
% 5.74/1.94 % (3357565)Refutation not found, incomplete strategy
% 5.74/1.94 % (3357565)------------------------------
% 5.74/1.94 % (3357565)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.74/1.94 % (3357565)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.74/1.94 % (3357565)CaDiCaL version: 2.1.3
% 5.74/1.94 % (3357565)Termination reason: Refutation not found, incomplete strategy
% 5.74/1.94 % (3357565)Time elapsed: 0.003 s
% 5.74/1.94 % (3357565)Peak memory usage: 88 MB
% 5.74/1.94 % (3357565)Instructions burned: 2 (million)
% 5.74/1.94 % (3357564)Also succeeded, but the first one will report.
% 5.74/1.94 % (3357563)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-3357554"
% 5.74/1.94 % (3357562)------------------------------
% 5.74/1.94 % (3357562)------------------------------
% 5.74/1.94 % (3357565)------------------------------
% 5.74/1.94 % (3357565)------------------------------
% 5.74/1.94 % (3357563)Refutation found. Thanks to Tanya!
% 5.74/1.94 % SZS status Theorem for theBenchmark
% 5.74/1.94 % SZS output start Proof for theBenchmark
% See solution above
% 5.74/1.94 % (3357563)------------------------------
% 5.74/1.94 % (3357563)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.74/1.94 % (3357563)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.74/1.94 % (3357563)CaDiCaL version: 2.1.3
% 5.74/1.94 % (3357563)Termination reason: Refutation
% 5.74/1.94 % (3357563)Time elapsed: 0.004 s
% 5.74/1.94 % (3357563)Peak memory usage: 88 MB
% 5.74/1.94 % (3357563)Instructions burned: 2 (million)
% 5.74/1.94 % (3357563)------------------------------
% 5.74/1.94 % (3357563)------------------------------
% 5.74/1.94 % (3357554)Success in time 0.69 s
% 5.74/1.94 % Vampire exiting
%------------------------------------------------------------------------------