%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : MSC011+1 : TPTP v9.3.1. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n026.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 12:04:57 PM UTC 2026
% Result : Theorem 3.99s 1.53s
% Output : Refutation 3.99s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 4
% Syntax : Number of formulae : 19 ( 9 unt; 0 def)
% Number of atoms : 33 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 29 ( 15 ~; 10 |; 2 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 3 prp; 0-1 aty)
% Number of functors : 1 ( 1 usr; 1 con; 0-0 aty)
% Number of variables : 10 ( 8 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X0] :
( ( drunk(X0)
& not_drunk(X0) )
=> goal ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',d_cons) ).
fof(f2,axiom,
! [X0] :
( drunk(X0)
& neg_psi ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neg_phi) ).
fof(f3,axiom,
( neg_psi
=> ? [X0] : not_drunk(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',neg_psi_ax) ).
fof(f4,conjecture,
goal,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',goal_to_be_proved) ).
fof(f5,negated_conjecture,
~ goal,
inference(negated_conjecture,[status(cth)],[f4]) ).
fof(f6,plain,
~ goal,
inference(flattening,[],[f5]) ).
fof(f7,plain,
! [X0] :
( goal
| ~ drunk(X0)
| ~ not_drunk(X0) ),
inference(ennf_transformation,[],[f1]) ).
fof(f8,plain,
! [X0] :
( goal
| ~ drunk(X0)
| ~ not_drunk(X0) ),
inference(flattening,[],[f7]) ).
fof(f9,plain,
( ? [X0] : not_drunk(X0)
| ~ neg_psi ),
inference(ennf_transformation,[],[f3]) ).
fof(f10,plain,
( not_drunk(sK0)
| ~ neg_psi ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f9]) ).
fof(f11,plain,
~ goal,
inference(cnf_transformation,[],[f6]) ).
fof(f12,plain,
! [X0] :
( goal
| ~ drunk(X0)
| ~ not_drunk(X0) ),
inference(cnf_transformation,[],[f8]) ).
fof(f13,plain,
neg_psi,
inference(cnf_transformation,[],[f2]) ).
fof(f14,plain,
! [X0] : drunk(X0),
inference(cnf_transformation,[],[f2]) ).
fof(f15,plain,
( not_drunk(sK0)
| ~ neg_psi ),
inference(cnf_transformation,[],[f10]) ).
fof(f16,plain,
not_drunk(sK0),
inference(forward_subsumption_resolution,[],[f15,f13]) ).
fof(f17,plain,
! [X0] :
( ~ drunk(X0)
| ~ not_drunk(X0) ),
inference(forward_subsumption_resolution,[],[f12,f11]) ).
fof(f18,plain,
! [X0] : ~ not_drunk(X0),
inference(forward_subsumption_resolution,[],[f17,f14]) ).
fof(f19,plain,
$false,
inference(resolution,[],[f18,f16]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : MSC011+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.11/0.38 % Computer : n026.cluster.edu
% 0.11/0.38 % Model : x86_64 x86_64
% 0.11/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.38 % Memory : 8046.5625MB
% 0.11/0.38 % OS : Linux 6.8.0-71-generic
% 0.11/0.38 % CPULimit : 300
% 0.11/0.38 % WCLimit : 300
% 0.11/0.38 % DateTime : Sun Sep 27 17:43:57 UTC 2026
% 0.11/0.38 % CPUTime :
% 0.11/0.38 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.11/0.41 Running first-order theorem proving
% 0.11/0.42 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
% 3.99/1.53 % (3094483)Detected formulas, will run a generic FOF schedule.
% 3.99/1.53 % (3094547)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=2874895080:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 3.99/1.53 % (3094548)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=4249884140:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 3.99/1.53 % (3094552)dis-21_1_sil=8000:lcm=predicate:random_seed=1035637506: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)
% 3.99/1.53 % (3094549)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=3198335571:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 3.99/1.53 % (3094550)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=1527681136:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 3.99/1.53 % (3094546)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=1727089581:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 3.99/1.53 % (3094549)Refutation not found, incomplete strategy
% 3.99/1.53 % (3094549)------------------------------
% 3.99/1.53 % (3094549)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.99/1.53 % (3094549)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.99/1.53 % (3094549)CaDiCaL version: 2.1.3
% 3.99/1.53 % (3094549)Termination reason: Refutation not found, incomplete strategy
% 3.99/1.53 % (3094549)Time elapsed: 0.001 s
% 3.99/1.53 % (3094549)Peak memory usage: 87 MB
% 3.99/1.53 % (3094550)First to succeed.
% 3.99/1.53 % (3094552)Also succeeded, but the first one will report.
% 3.99/1.53 % (3094550)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-3094483"
% 3.99/1.53 % (3094551)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=4000478707:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 3.99/1.53 % (3094551)Also succeeded, but the first one will report.
% 3.99/1.53 % (3094549)------------------------------
% 3.99/1.53 % (3094549)------------------------------
% 3.99/1.53 % (3094550)Refutation found. Thanks to Tanya!
% 3.99/1.53 % SZS status Theorem for theBenchmark
% 3.99/1.53 % SZS output start Proof for theBenchmark
% See solution above
% 3.99/1.53 % (3094550)------------------------------
% 3.99/1.53 % (3094550)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.99/1.53 % (3094550)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.99/1.53 % (3094550)CaDiCaL version: 2.1.3
% 3.99/1.53 % (3094550)Termination reason: Refutation
% 3.99/1.53 % (3094550)Time elapsed: 0.002 s
% 3.99/1.53 % (3094550)Peak memory usage: 88 MB
% 3.99/1.53 % (3094550)------------------------------
% 3.99/1.53 % (3094550)------------------------------
% 3.99/1.53 % (3094483)Success in time 0.484 s
% 3.99/1.53 % Vampire exiting
%------------------------------------------------------------------------------