%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : CSR147+1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/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 09:43:55 AM UTC 2026
% Result : Theorem 3.49s 1.27s
% Output : Refutation 3.49s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 8
% Syntax : Number of formulae : 27 ( 18 unt; 0 def)
% Number of atoms : 62 ( 2 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 70 ( 35 ~; 31 |; 2 &)
% ( 0 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 7 ( 5 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-1 aty)
% Number of variables : 21 ( 21 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f5,axiom,
s__Human(jim),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_human) ).
fof(f7,axiom,
! [X0,X1,X2] :
( s__Human(X0)
=> ( ( s__age(X0,X1)
& s__age(s__siblingFn(X0),X2)
& greater(X1,X2) )
=> ( s__more_experienced(X0,s__siblingFn(X0))
| s__has_seen_more(s__siblingFn(X0),X0) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',experience) ).
fof(f9,axiom,
s__age(geoff,n48),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',geoff_48) ).
fof(f10,axiom,
s__age(jim,n54),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_54) ).
fof(f11,axiom,
greater(n54,n48),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',greater_54_48) ).
fof(f12,axiom,
geoff = s__siblingFn(jim),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',geoff_and_jim) ).
fof(f13,axiom,
~ s__has_seen_more(geoff,jim),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_has_seen_more) ).
fof(f14,conjecture,
s__more_experienced(jim,geoff),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',jim_is_experienced) ).
fof(f15,negated_conjecture,
~ s__more_experienced(jim,geoff),
inference(negated_conjecture,[status(cth)],[f14]) ).
fof(f16,plain,
~ s__more_experienced(jim,geoff),
inference(flattening,[],[f15]) ).
fof(f20,plain,
! [X0,X1,X2] :
( s__more_experienced(X0,s__siblingFn(X0))
| s__has_seen_more(s__siblingFn(X0),X0)
| ~ s__age(X0,X1)
| ~ s__age(s__siblingFn(X0),X2)
| ~ greater(X1,X2)
| ~ s__Human(X0) ),
inference(ennf_transformation,[],[f7]) ).
fof(f21,plain,
! [X0,X1,X2] :
( s__more_experienced(X0,s__siblingFn(X0))
| s__has_seen_more(s__siblingFn(X0),X0)
| ~ s__age(X0,X1)
| ~ s__age(s__siblingFn(X0),X2)
| ~ greater(X1,X2)
| ~ s__Human(X0) ),
inference(flattening,[],[f20]) ).
fof(f27,plain,
s__Human(jim),
inference(cnf_transformation,[],[f5]) ).
fof(f29,plain,
! [X2,X0,X1] :
( s__has_seen_more(s__siblingFn(X0),X0)
| s__more_experienced(X0,s__siblingFn(X0))
| ~ s__age(X0,X1)
| ~ s__age(s__siblingFn(X0),X2)
| ~ greater(X1,X2)
| ~ s__Human(X0) ),
inference(cnf_transformation,[],[f21]) ).
fof(f31,plain,
s__age(geoff,n48),
inference(cnf_transformation,[],[f9]) ).
fof(f32,plain,
s__age(jim,n54),
inference(cnf_transformation,[],[f10]) ).
fof(f33,plain,
greater(n54,n48),
inference(cnf_transformation,[],[f11]) ).
fof(f34,plain,
geoff = s__siblingFn(jim),
inference(cnf_transformation,[],[f12]) ).
fof(f35,plain,
~ s__has_seen_more(geoff,jim),
inference(cnf_transformation,[],[f13]) ).
fof(f36,plain,
~ s__more_experienced(jim,geoff),
inference(cnf_transformation,[],[f16]) ).
fof(f38,plain,
! [X0,X1] :
( s__has_seen_more(geoff,jim)
| s__more_experienced(jim,geoff)
| ~ s__age(jim,X0)
| ~ s__age(geoff,X1)
| ~ greater(X0,X1)
| ~ s__Human(jim) ),
inference(superposition,[],[f29,f34]) ).
fof(f39,plain,
! [X0,X1] :
( s__more_experienced(jim,geoff)
| ~ s__age(jim,X0)
| ~ s__age(geoff,X1)
| ~ greater(X0,X1)
| ~ s__Human(jim) ),
inference(forward_subsumption_resolution,[],[f38,f35]) ).
fof(f40,plain,
! [X0,X1] :
( ~ s__age(jim,X0)
| ~ s__age(geoff,X1)
| ~ greater(X0,X1)
| ~ s__Human(jim) ),
inference(forward_subsumption_resolution,[],[f39,f36]) ).
fof(f41,plain,
! [X0,X1] :
( ~ s__age(jim,X0)
| ~ s__age(geoff,X1)
| ~ greater(X0,X1) ),
inference(forward_subsumption_resolution,[],[f40,f27]) ).
fof(f42,plain,
! [X0] :
( ~ greater(n54,X0)
| ~ s__age(geoff,X0) ),
inference(resolution,[],[f41,f32]) ).
fof(f44,plain,
~ s__age(geoff,n48),
inference(resolution,[],[f42,f33]) ).
fof(f45,plain,
$false,
inference(forward_subsumption_resolution,[],[f44,f31]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : CSR147+1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.19 % Computer : n006.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 23:37:25 UTC 2026
% 0.08/0.20 % CPUTime :
% 0.08/0.20 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.23 Running first-order theorem proving
% 0.08/0.23 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
% 3.49/1.27 % (314565)Detected formulas, will run a generic FOF schedule.
% 3.49/1.27 % (314573)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=627893697:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 3.49/1.27 % (314573)Refutation not found, incomplete strategy
% 3.49/1.27 % (314573)------------------------------
% 3.49/1.27 % (314573)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.49/1.27 % (314573)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.49/1.27 % (314573)CaDiCaL version: 2.1.3
% 3.49/1.27 % (314573)Termination reason: Refutation not found, incomplete strategy
% 3.49/1.27 % (314573)Time elapsed: 0.0000 s
% 3.49/1.27 % (314573)Peak memory usage: 87 MB
% 3.49/1.27 % (314575)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=2815777619:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 3.49/1.27 % (314574)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=234770480:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 3.49/1.27 % (314570)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=1000354532:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 3.49/1.27 % (314571)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=1686146625:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 3.49/1.27 % (314572)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=1197869968:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 3.49/1.27 % (314574)Refutation not found, incomplete strategy
% 3.49/1.27 % (314574)------------------------------
% 3.49/1.27 % (314574)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.49/1.27 % (314574)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.49/1.27 % (314574)CaDiCaL version: 2.1.3
% 3.49/1.27 % (314574)Termination reason: Refutation not found, incomplete strategy
% 3.49/1.27 % (314574)Time elapsed: 0.001 s
% 3.49/1.27 % (314574)Peak memory usage: 87 MB
% 3.49/1.27 % (314575)First to succeed.
% 3.49/1.27 % (314576)dis-21_1_sil=8000:lcm=predicate:random_seed=3485511825: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)
% 3.49/1.27 % (314575)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-314565"
% 3.49/1.27 % (314576)Refutation not found, incomplete strategy
% 3.49/1.27 % (314576)------------------------------
% 3.49/1.27 % (314576)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.49/1.27 % (314576)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.49/1.27 % (314576)CaDiCaL version: 2.1.3
% 3.49/1.27 % (314576)Termination reason: Refutation not found, incomplete strategy
% 3.49/1.27 % (314576)Time elapsed: 0.001 s
% 3.49/1.27 % (314576)Peak memory usage: 88 MB
% 3.49/1.27 % (314573)------------------------------
% 3.49/1.27 % (314573)------------------------------
% 3.49/1.27 % (314584)lrs+10_1_sil=8000:sp=occurrence:random_seed=3308072567:i=285:sd=3:ss=axioms:sgt=8_2997 on theBenchmark for (2997ds/285Mi)
% 3.49/1.27 % (314584)Also succeeded, but the first one will report.
% 3.49/1.27 % (314574)------------------------------
% 3.49/1.27 % (314574)------------------------------
% 3.49/1.27 % (314576)------------------------------
% 3.49/1.27 % (314576)------------------------------
% 3.49/1.27 % (314575)Refutation found. Thanks to Tanya!
% 3.49/1.27 % SZS status Theorem for theBenchmark
% 3.49/1.27 % SZS output start Proof for theBenchmark
% See solution above
% 3.49/1.27 % (314575)------------------------------
% 3.49/1.27 % (314575)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.49/1.27 % (314575)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.49/1.27 % (314575)CaDiCaL version: 2.1.3
% 3.49/1.27 % (314575)Termination reason: Refutation
% 3.49/1.27 % (314575)Time elapsed: 0.002 s
% 3.49/1.27 % (314575)Peak memory usage: 89 MB
% 3.49/1.27 % (314575)Instructions burned: 1 (million)
% 3.49/1.27 % (314575)------------------------------
% 3.49/1.27 % (314575)------------------------------
% 3.49/1.27 % (314565)Success in time 0.404 s
% 3.49/1.27 % Vampire exiting
%------------------------------------------------------------------------------