%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SYN940+1 : TPTP v9.3.1. Released v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n009.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 02:06:01 PM UTC 2026
% Result : Theorem 3.63s 1.29s
% Output : Refutation 3.63s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 1
% Syntax : Number of formulae : 14 ( 3 unt; 0 def)
% Number of atoms : 54 ( 0 equ)
% Maximal formula atoms : 7 ( 3 avg)
% Number of connectives : 68 ( 28 ~; 19 |; 15 &)
% ( 0 <=>; 6 =>; 0 <=; 0 <~>)
% Maximal formula depth : 12 ( 7 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-1 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 34 ( 26 !; 8 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,conjecture,
! [X0,X1] :
( ! [X2] : q(f(X2))
=> ? [X3,X4] :
( ( p(f(X4))
=> ( p(X3)
& ( r(X4)
=> ( r(X0)
& r(X1) ) ) ) )
& q(X3) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this) ).
fof(f2,negated_conjecture,
~ ! [X0,X1] :
( ! [X2] : q(f(X2))
=> ? [X3,X4] :
( ( p(f(X4))
=> ( p(X3)
& ( r(X4)
=> ( r(X0)
& r(X1) ) ) ) )
& q(X3) ) ),
inference(negated_conjecture,[status(cth)],[f1]) ).
fof(f3,plain,
? [X0,X1] :
( ! [X3,X4] :
( ( ( ~ p(X3)
| ( ( ~ r(X0)
| ~ r(X1) )
& r(X4) ) )
& p(f(X4)) )
| ~ q(X3) )
& ! [X2] : q(f(X2)) ),
inference(ennf_transformation,[],[f2]) ).
fof(f4,plain,
? [X0,X1] :
( ! [X2,X3] :
( ( ( ~ p(X2)
| ( ( ~ r(X0)
| ~ r(X1) )
& r(X3) ) )
& p(f(X3)) )
| ~ q(X2) )
& ! [X4] : q(f(X4)) ),
inference(rectify,[],[f3]) ).
fof(f5,plain,
( ! [X2,X3] :
( ( ( ~ p(X2)
| ( ( ~ r(sK0)
| ~ r(sK1) )
& r(X3) ) )
& p(f(X3)) )
| ~ q(X2) )
& ! [X4] : q(f(X4)) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f4]) ).
fof(f6,plain,
! [X4] : q(f(X4)),
inference(cnf_transformation,[],[f5]) ).
fof(f7,plain,
! [X2,X3] :
( p(f(X3))
| ~ q(X2) ),
inference(cnf_transformation,[],[f5]) ).
fof(f8,plain,
! [X2,X3] :
( r(X3)
| ~ p(X2)
| ~ q(X2) ),
inference(cnf_transformation,[],[f5]) ).
fof(f9,plain,
! [X2] :
( ~ p(X2)
| ~ r(sK0)
| ~ r(sK1)
| ~ q(X2) ),
inference(cnf_transformation,[],[f5]) ).
fof(f10,plain,
! [X2] :
( ~ p(X2)
| ~ r(sK1)
| ~ q(X2) ),
inference(forward_subsumption_resolution,[],[f9,f8]) ).
fof(f11,plain,
! [X2] :
( ~ p(X2)
| ~ q(X2) ),
inference(forward_subsumption_resolution,[],[f10,f8]) ).
fof(f12,plain,
! [X0,X1] :
( ~ q(f(X0))
| ~ q(X1) ),
inference(resolution,[],[f11,f7]) ).
fof(f13,plain,
! [X1] : ~ q(X1),
inference(forward_subsumption_resolution,[],[f12,f6]) ).
fof(f14,plain,
$false,
inference(resolution,[],[f13,f6]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN940+1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.19 % Computer : n009.cluster.edu
% 0.08/0.19 % Model : x86_64 x86_64
% 0.08/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.19 % Memory : 8046.5625MB
% 0.08/0.19 % OS : Linux 6.8.0-71-generic
% 0.08/0.19 % CPULimit : 300
% 0.08/0.19 % WCLimit : 300
% 0.08/0.19 % DateTime : Mon Sep 28 17:14:15 UTC 2026
% 0.08/0.19 % CPUTime :
% 0.08/0.19 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.22 Running first-order theorem proving
% 0.08/0.22 Running: /export/starexec/sandbox2/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 3.63/1.29 % (3224290)Detected formulas, will run a generic FOF schedule.
% 3.63/1.29 % (3224296)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=3767010658:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 3.63/1.29 % (3224299)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=1583998240:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 3.63/1.29 % (3224301)dis-21_1_sil=8000:lcm=predicate:random_seed=4141741354: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)
% 3.63/1.29 % (3224298)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1742826539:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 3.63/1.29 % (3224300)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=1827602719:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 3.63/1.29 % (3224295)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=1728290642:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 3.63/1.29 % (3224297)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=597920579:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 3.63/1.29 % (3224299)First to succeed.
% 3.63/1.29 % (3224299)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-3224290"
% 3.63/1.29 % (3224301)Also succeeded, but the first one will report.
% 3.63/1.29 % (3224300)Also succeeded, but the first one will report.
% 3.63/1.29 % (3224298)Also succeeded, but the first one will report.
% 3.63/1.29 % (3224299)Refutation found. Thanks to Tanya!
% 3.63/1.29 % SZS status Theorem for theBenchmark
% 3.63/1.29 % SZS output start Proof for theBenchmark
% See solution above
% 3.63/1.29 % (3224299)------------------------------
% 3.63/1.29 % (3224299)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.63/1.29 % (3224299)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.63/1.29 % (3224299)CaDiCaL version: 2.1.3
% 3.63/1.29 % (3224299)Termination reason: Refutation
% 3.63/1.29 % (3224299)Time elapsed: 0.002 s
% 3.63/1.29 % (3224299)Peak memory usage: 88 MB
% 3.63/1.29 % (3224299)------------------------------
% 3.63/1.29 % (3224299)------------------------------
% 3.63/1.29 % (3224290)Success in time 0.429 s
% 3.63/1.29 % Vampire exiting
%------------------------------------------------------------------------------