%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : LCL194-3 : TPTP v9.3.1. Released v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n017.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 11:51:30 AM UTC 2026
% Result : Unsatisfiable 6.84s 2.30s
% Output : Refutation 6.84s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 7
% Syntax : Number of formulae : 25 ( 16 unt; 0 def)
% Number of atoms : 38 ( 1 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 35 ( 22 ~; 13 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 4 avg)
% Maximal term depth : 6 ( 2 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 52 ( 52 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f3,axiom,
! [X0,X1] : axiom(implies(or(X0,X1),or(X1,X0))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_4) ).
fof(f4,axiom,
! [X2,X0,X1] : axiom(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_5) ).
fof(f5,axiom,
! [X2,X0,X1] : axiom(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_6) ).
fof(f6,axiom,
! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',implies_definition) ).
fof(f7,axiom,
! [X0] :
( ~ axiom(X0)
| theorem(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rule_1) ).
fof(f8,axiom,
! [X0,X1] :
( theorem(X0)
| ~ theorem(implies(X1,X0))
| ~ theorem(X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rule_2) ).
fof(f9,negated_conjecture,
~ theorem(implies(implies(q,r),implies(or(q,p),or(p,r)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this) ).
fof(f12,plain,
! [X0,X1] : theorem(implies(or(X0,X1),or(X1,X0))),
inference(resolution,[],[f3,f7]) ).
fof(f20,plain,
! [X0] :
( ~ theorem(implies(X0,implies(implies(q,r),implies(or(q,p),or(p,r)))))
| ~ theorem(X0) ),
inference(resolution,[],[f8,f9]) ).
fof(f22,plain,
! [X0,X1] :
( ~ theorem(implies(X1,implies(X0,implies(implies(q,r),implies(or(q,p),or(p,r))))))
| ~ theorem(X0)
| ~ theorem(X1) ),
inference(resolution,[],[f20,f8]) ).
fof(f23,plain,
! [X2,X0,X1] : theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
inference(resolution,[],[f4,f7]) ).
fof(f34,plain,
! [X2,X0,X1] : theorem(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))),
inference(resolution,[],[f5,f7]) ).
fof(f59,plain,
! [X2,X0,X1] : theorem(implies(or(X1,or(not(X0),X2)),implies(X0,or(X1,X2)))),
inference(superposition,[],[f23,f6]) ).
fof(f60,plain,
! [X2,X0,X1] : theorem(implies(or(X1,implies(X0,X2)),implies(X0,or(X1,X2)))),
inference(forward_demodulation,[],[f59,f6]) ).
fof(f87,plain,
! [X2,X0,X1] : theorem(implies(implies(X2,X1),implies(or(not(X0),X2),implies(X0,X1)))),
inference(superposition,[],[f34,f6]) ).
fof(f88,plain,
! [X2,X0,X1] : theorem(implies(implies(X2,X1),implies(implies(X0,X2),implies(X0,X1)))),
inference(forward_demodulation,[],[f87,f6]) ).
fof(f141,plain,
! [X2,X0,X1] : theorem(implies(or(not(X0),implies(X2,X1)),implies(X2,implies(X0,X1)))),
inference(superposition,[],[f60,f6]) ).
fof(f142,plain,
! [X2,X0,X1] : theorem(implies(implies(X0,implies(X2,X1)),implies(X2,implies(X0,X1)))),
inference(forward_demodulation,[],[f141,f6]) ).
fof(f168,plain,
! [X0] :
( ~ theorem(implies(X0,implies(or(q,p),or(p,r))))
| ~ theorem(implies(implies(q,r),X0)) ),
inference(resolution,[],[f88,f22]) ).
fof(f189,plain,
! [X0,X1] :
( ~ theorem(implies(implies(q,r),X0))
| ~ theorem(implies(X1,implies(X0,implies(or(q,p),or(p,r)))))
| ~ theorem(X1) ),
inference(resolution,[],[f168,f8]) ).
fof(f256,plain,
! [X0,X1] :
( ~ theorem(implies(X0,implies(implies(or(X1,q),or(X1,r)),implies(or(q,p),or(p,r)))))
| ~ theorem(X0) ),
inference(resolution,[],[f189,f34]) ).
fof(f361,plain,
! [X2,X0,X1] :
( ~ theorem(implies(X1,implies(X0,implies(implies(or(X2,q),or(X2,r)),implies(or(q,p),or(p,r))))))
| ~ theorem(X0)
| ~ theorem(X1) ),
inference(resolution,[],[f256,f8]) ).
fof(f805,plain,
! [X0,X1] :
( ~ theorem(implies(implies(or(X1,q),or(X1,r)),implies(X0,implies(or(q,p),or(p,r)))))
| ~ theorem(X0) ),
inference(resolution,[],[f361,f142]) ).
fof(f1511,plain,
~ theorem(implies(or(q,p),or(p,q))),
inference(resolution,[],[f805,f88]) ).
fof(f1517,plain,
$false,
inference(forward_subsumption_resolution,[],[f1511,f12]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL194-3 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/0.37 % Computer : n017.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % 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 15:21:35 UTC 2026
% 0.11/0.38 % CPUTime :
% 0.11/0.38 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
% 6.84/2.30 % (2726558)Input is clausal, will run a generic CNF schedule.
% 6.84/2.30 % (2726567)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=660856483:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 6.84/2.30 % (2726563)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=2077460585:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 6.84/2.30 % (2726564)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=2849331535:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 6.84/2.30 % (2726567)Instruction limit reached!
% 6.84/2.30 % (2726567)------------------------------
% 6.84/2.30 % (2726567)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726567)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726567)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726567)Termination reason: Instruction limit
% 6.84/2.30 % (2726567)Termination phase: Saturation
% 6.84/2.30 % (2726567)Time elapsed: 0.051 s
% 6.84/2.30 % (2726567)Peak memory usage: 87 MB
% 6.84/2.30 % (2726567)Instructions burned: 115 (million)
% 6.84/2.30 % (2726565)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=1517373191:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 6.84/2.30 % (2726568)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=106277794:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 6.84/2.30 % (2726566)lrs+10_1_sil=8000:sp=occurrence:random_seed=2185972235:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 6.84/2.30 % (2726569)dis-21_1_sil=8000:lcm=predicate:random_seed=1104481842:st=5:avsq=on:i=117:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/117Mi)
% 6.84/2.30 % (2726568)First to succeed.
% 6.84/2.30 % (2726568)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2726558"
% 6.84/2.30 % (2726566)Instruction limit reached!
% 6.84/2.30 % (2726566)------------------------------
% 6.84/2.30 % (2726566)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726566)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726566)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726566)Termination reason: Instruction limit
% 6.84/2.30 % (2726566)Termination phase: Saturation
% 6.84/2.30 % (2726566)Time elapsed: 0.113 s
% 6.84/2.30 % (2726566)Peak memory usage: 89 MB
% 6.84/2.30 % (2726566)Instructions burned: 107 (million)
% 6.84/2.30 % (2726569)Instruction limit reached!
% 6.84/2.30 % (2726569)------------------------------
% 6.84/2.30 % (2726569)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726569)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726569)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726569)Termination reason: Instruction limit
% 6.84/2.30 % (2726569)Termination phase: Saturation
% 6.84/2.30 % (2726569)Time elapsed: 0.100 s
% 6.84/2.30 % (2726569)Peak memory usage: 87 MB
% 6.84/2.30 % (2726569)Instructions burned: 118 (million)
% 6.84/2.30 % (2726573)dis+1010_3_sil=8000:plsq=on:drc=off:fde=none:plsqc=1:bsd=on:plsqr=7,2:sos=on:spb=goal_then_units:random_seed=3904691335:i=143:sd=2:aac=none:ss=axioms:sgt=16_2997 on theBenchmark for (2997ds/143Mi)
% 6.84/2.30 % (2726573)Refutation not found, incomplete strategy
% 6.84/2.30 % (2726573)------------------------------
% 6.84/2.30 % (2726573)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726573)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726573)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726573)Termination reason: Refutation not found, incomplete strategy
% 6.84/2.30 % (2726573)Time elapsed: 0.001 s
% 6.84/2.30 % (2726573)Peak memory usage: 88 MB
% 6.84/2.30 % (2726573)------------------------------
% 6.84/2.30 % (2726573)------------------------------
% 6.84/2.30 % (2726578)ott-1010_1_to=lpo:sil=16000:sos=on:spb=units:urr=on:bce=on:br=off:random_seed=1927056333:st=3:avsq=on:s2a=on:i=189:s2at=1.2:avsqr=1,16:sd=2:bd=all:nm=64:ss=axioms:sgt=30_2995 on theBenchmark for (2995ds/189Mi)
% 6.84/2.30 % (2726578)Refutation not found, incomplete strategy
% 6.84/2.30 % (2726578)------------------------------
% 6.84/2.30 % (2726578)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726578)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726578)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726578)Termination reason: Refutation not found, incomplete strategy
% 6.84/2.30 % (2726578)Time elapsed: 0.002 s
% 6.84/2.30 % (2726578)Peak memory usage: 87 MB
% 6.84/2.30 % (2726579)lrs-1002_1_to=lpo:sil=8000:fde=none:sos=on:random_seed=448854192:st=4:i=219:sd=3:ss=axioms_2995 on theBenchmark for (2995ds/219Mi)
% 6.84/2.30 % (2726579)Refutation not found, incomplete strategy
% 6.84/2.30 % (2726579)------------------------------
% 6.84/2.30 % (2726579)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726579)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726579)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726579)Termination reason: Refutation not found, incomplete strategy
% 6.84/2.30 % (2726579)Time elapsed: 0.002 s
% 6.84/2.30 % (2726579)Peak memory usage: 87 MB
% 6.84/2.30 % (2726568)Refutation found. Thanks to Tanya!
% 6.84/2.30 % SZS status Unsatisfiable for theBenchmark
% 6.84/2.30 % SZS output start Proof for theBenchmark
% See solution above
% 6.84/2.30 % (2726568)------------------------------
% 6.84/2.30 % (2726568)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.84/2.30 % (2726568)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.84/2.30 % (2726568)CaDiCaL version: 2.1.3
% 6.84/2.30 % (2726568)Termination reason: Refutation
% 6.84/2.30 % (2726568)Time elapsed: 0.140 s
% 6.84/2.30 % (2726568)Peak memory usage: 89 MB
% 6.84/2.30 % (2726568)Instructions burned: 130 (million)
% 6.84/2.30 % (2726568)------------------------------
% 6.84/2.30 % (2726568)------------------------------
% 6.84/2.30 % (2726558)Success in time 0.856 s
% 6.84/2.30 % Vampire exiting
%------------------------------------------------------------------------------