%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : GRP176-1 : TPTP v9.3.1. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n008.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 10:13:11 AM UTC 2026
% Result : Unsatisfiable 2.36s 1.18s
% Output : Refutation 2.36s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 6 ( 6 unt; 0 def)
% Number of atoms : 6 ( 5 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 3 ( 3 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 4 con; 0-2 aty)
% Number of variables : 6 ( 6 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f13,axiom,
! [X2,X0,X1] : multiply(X0,least_upper_bound(X1,X2)) = least_upper_bound(multiply(X0,X1),multiply(X0,X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',monotony_lub1) ).
fof(f15,axiom,
! [X2,X0,X1] : multiply(least_upper_bound(X0,X1),X2) = least_upper_bound(multiply(X0,X2),multiply(X1,X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',monotony_lub2) ).
fof(f17,negated_conjecture,
multiply(c,multiply(least_upper_bound(a,b),d)) != least_upper_bound(multiply(c,multiply(a,d)),multiply(c,multiply(b,d))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_p07) ).
fof(f242,plain,
multiply(c,multiply(least_upper_bound(a,b),d)) != multiply(c,least_upper_bound(multiply(a,d),multiply(b,d))),
inference(superposition,[],[f17,f13]) ).
fof(f485,plain,
multiply(c,multiply(least_upper_bound(a,b),d)) != multiply(c,multiply(least_upper_bound(a,b),d)),
inference(superposition,[],[f242,f15]) ).
fof(f495,plain,
$false,
inference(trivial_inequality_removal,[],[f485]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP176-1 : TPTP v9.3.1. Bugfixed v1.2.1.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.13/0.38 % Computer : n008.cluster.edu
% 0.13/0.38 % Model : x86_64 x86_64
% 0.13/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.38 % Memory : 8046.5625MB
% 0.13/0.38 % OS : Linux 6.8.0-71-generic
% 0.13/0.38 % CPULimit : 300
% 0.13/0.38 % WCLimit : 300
% 0.13/0.38 % DateTime : Sun Sep 27 09:36:25 UTC 2026
% 0.13/0.39 % CPUTime :
% 0.13/0.39 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.16/0.44 Running first-order theorem proving
% 0.16/0.44 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
% 2.36/1.18 % (977430)Detected a unit-equality problem, will run specialized UEQ schedule.
% 2.36/1.18 % (977442)dis-1010_7_sil=8000:fde=unused:flr=on:random_seed=4227486872:i=1187:sd=4:av=off:ss=axioms:sgt=32_3000 on theBenchmark for (3000ds/1187Mi)
% 2.36/1.18 % (977442)First to succeed.
% 2.36/1.18 % (977442)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-977430"
% 2.36/1.18 % (977437)lrs+11_1_ncem=casc2026/models/loop6.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=2325686634:i=130792:sd=20:aac=none:nm=16:ss=included:sgt=10_3000 on theBenchmark for (3000ds/130792Mi)
% 2.36/1.18 % (977441)lrs+10_3_to=lpo:sil=64000:drc=off:fde=unused:sp=reverse_frequency:acc=on:bsr=on:fd=preordered:nwc=1:random_seed=4211941855:avsq=on:i=257:avsqr=16,3:bd=preordered:fsr=off_3000 on theBenchmark for (3000ds/257Mi)
% 2.36/1.18 % (977440)dis+10_14_to=lpo:sil=8000:tgt=full:drc=off:sp=const_frequency:sos=all:random_seed=2103687427:i=181:gtgl=5:bs=unit_only:fsr=off:gtg=exists_all_3000 on theBenchmark for (3000ds/181Mi)
% 2.36/1.18 % (977436)lrs+1002_1_ncem=casc2026/models/loop7.pt:sil=128000:tgt=ground:npcc=on:drc=off:sp=reverse_frequency:spb=goal:acc=on:s2agt=16:kmz=on:sac=on:random_seed=1715364892:i=138329:kws=inv_arity_squared:fgj=on:bd=preordered_3000 on theBenchmark for (3000ds/138329Mi)
% 2.36/1.18 % (977439)ott-1010_1_sfv=off:to=lpo:sil=8000:fdtod=off:sp=reverse_frequency:spb=goal_then_units:fd=preordered:random_seed=3705409522:i=136:bd=preordered:ins=2:av=off_3000 on theBenchmark for (3000ds/136Mi)
% 2.36/1.18 % (977438)lrs+10_1_ncem=casc2026/models/loop5.pt:sil=128000:tgt=ground:npcc=on:spb=goal_then_units:urr=ec_only:random_seed=2819362497:i=130716:gtgl=4:add=on:doe=on:bd=all:gtg=exists_sym_3000 on theBenchmark for (3000ds/130716Mi)
% 2.36/1.18 % (977439)Also succeeded, but the first one will report.
% 2.36/1.18 % (977441)Also succeeded, but the first one will report.
% 2.36/1.18 % (977440)Instruction limit reached!
% 2.36/1.18 % (977440)------------------------------
% 2.36/1.18 % (977440)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.36/1.18 % (977440)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.36/1.18 % (977440)CaDiCaL version: 2.1.3
% 2.36/1.18 % (977440)Termination reason: Instruction limit
% 2.36/1.18 % (977440)Termination phase: Saturation
% 2.36/1.18 % (977440)Time elapsed: 0.106 s
% 2.36/1.18 % (977440)Peak memory usage: 89 MB
% 2.36/1.18 % (977440)Instructions burned: 181 (million)
% 2.36/1.18 % (977442)Refutation found. Thanks to Tanya!
% 2.36/1.18 % SZS status Unsatisfiable for theBenchmark
% 2.36/1.18 % SZS output start Proof for theBenchmark
% See solution above
% 2.36/1.18 % (977442)------------------------------
% 2.36/1.18 % (977442)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.36/1.18 % (977442)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.36/1.18 % (977442)CaDiCaL version: 2.1.3
% 2.36/1.18 % (977442)Termination reason: Refutation
% 2.36/1.18 % (977442)Time elapsed: 0.006 s
% 2.36/1.18 % (977442)Peak memory usage: 88 MB
% 2.36/1.18 % (977442)Instructions burned: 17 (million)
% 2.36/1.18 % (977442)------------------------------
% 2.36/1.18 % (977442)------------------------------
% 2.36/1.18 % (977430)Success in time 0.253 s
% 2.36/1.18 % Vampire exiting
%------------------------------------------------------------------------------