%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : LCL193-3 : 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 : n011.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 4.26s 1.43s
% Output : Refutation 4.26s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 6
% Syntax : Number of formulae : 17 ( 10 unt; 0 def)
% Number of atoms : 27 ( 1 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 27 ( 17 ~; 10 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 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 : 29 ( 29 !; 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(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(p,q),or(r,p)))),
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(p,q),or(r,p)))))
| ~ theorem(X0) ),
inference(resolution,[],[f8,f9]) ).
fof(f22,plain,
! [X0,X1] :
( ~ theorem(implies(X1,implies(X0,implies(implies(q,r),implies(or(p,q),or(r,p))))))
| ~ theorem(X0)
| ~ theorem(X1) ),
inference(resolution,[],[f20,f8]) ).
fof(f34,plain,
! [X2,X0,X1] : theorem(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))),
inference(resolution,[],[f5,f7]) ).
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(f168,plain,
! [X0] :
( ~ theorem(implies(X0,implies(or(p,q),or(r,p))))
| ~ 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(p,q),or(r,p)))))
| ~ theorem(X1) ),
inference(resolution,[],[f168,f8]) ).
fof(f256,plain,
! [X0,X1] :
( ~ theorem(implies(X0,implies(implies(or(X1,q),or(X1,r)),implies(or(p,q),or(r,p)))))
| ~ theorem(X0) ),
inference(resolution,[],[f189,f34]) ).
fof(f360,plain,
~ theorem(implies(or(p,r),or(r,p))),
inference(resolution,[],[f256,f88]) ).
fof(f367,plain,
$false,
inference(forward_subsumption_resolution,[],[f360,f12]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : LCL193-3 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/0.37 % Computer : n011.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
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Sun Sep 27 15:26:15 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/0.41 Running first-order theorem proving
% 0.11/0.41 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
% 4.26/1.43 % (2552656)Input is clausal, will run a generic CNF schedule.
% 4.26/1.43 % (2552712)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=3568573127:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 4.26/1.43 % (2552711)lrs+10_1_sil=8000:sp=occurrence:random_seed=2139182726:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 4.26/1.43 % (2552709)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=410175967:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 4.26/1.43 % (2552713)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=2247204825:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 4.26/1.43 % (2552708)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=1544139447:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 4.26/1.43 % (2552714)dis-21_1_sil=8000:lcm=predicate:random_seed=922610502: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)
% 4.26/1.43 % (2552710)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=2997668174:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 4.26/1.43 % (2552713)First to succeed.
% 4.26/1.43 % (2552713)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-2552656"
% 4.26/1.43 % (2552712)Instruction limit reached!
% 4.26/1.43 % (2552712)------------------------------
% 4.26/1.43 % (2552712)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552712)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552712)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552712)Termination reason: Instruction limit
% 4.26/1.43 % (2552712)Termination phase: Saturation
% 4.26/1.43 % (2552712)Time elapsed: 0.033 s
% 4.26/1.43 % (2552712)Peak memory usage: 87 MB
% 4.26/1.43 % (2552712)Instructions burned: 117 (million)
% 4.26/1.43 % (2552714)Instruction limit reached!
% 4.26/1.43 % (2552714)------------------------------
% 4.26/1.43 % (2552714)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552714)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552714)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552714)Termination reason: Instruction limit
% 4.26/1.43 % (2552714)Termination phase: Saturation
% 4.26/1.43 % (2552714)Time elapsed: 0.059 s
% 4.26/1.43 % (2552714)Peak memory usage: 87 MB
% 4.26/1.43 % (2552714)Instructions burned: 119 (million)
% 4.26/1.43 % (2552711)Instruction limit reached!
% 4.26/1.43 % (2552711)------------------------------
% 4.26/1.43 % (2552711)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552711)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552711)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552711)Termination reason: Instruction limit
% 4.26/1.43 % (2552711)Termination phase: Saturation
% 4.26/1.43 % (2552711)Time elapsed: 0.071 s
% 4.26/1.43 % (2552711)Peak memory usage: 89 MB
% 4.26/1.43 % (2552711)Instructions burned: 108 (million)
% 4.26/1.43 % (2552722)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=379205797:i=143:sd=2:aac=none:ss=axioms:sgt=16_2998 on theBenchmark for (2998ds/143Mi)
% 4.26/1.43 % (2552722)Refutation not found, incomplete strategy
% 4.26/1.43 % (2552722)------------------------------
% 4.26/1.43 % (2552722)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552722)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552722)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552722)Termination reason: Refutation not found, incomplete strategy
% 4.26/1.43 % (2552722)Time elapsed: 0.001 s
% 4.26/1.43 % (2552722)Peak memory usage: 88 MB
% 4.26/1.43 % (2552726)ott-1010_1_to=lpo:sil=16000:sos=on:spb=units:urr=on:bce=on:br=off:random_seed=926177344:st=3:avsq=on:s2a=on:i=189:s2at=1.2:avsqr=1,16:sd=2:bd=all:nm=64:ss=axioms:sgt=30_2997 on theBenchmark for (2997ds/189Mi)
% 4.26/1.43 % (2552726)Refutation not found, incomplete strategy
% 4.26/1.43 % (2552726)------------------------------
% 4.26/1.43 % (2552726)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552726)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552726)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552726)Termination reason: Refutation not found, incomplete strategy
% 4.26/1.43 % (2552726)Time elapsed: 0.002 s
% 4.26/1.43 % (2552726)Peak memory usage: 87 MB
% 4.26/1.43 % (2552728)lrs-1002_1_to=lpo:sil=8000:fde=none:sos=on:random_seed=4024508461:st=4:i=219:sd=3:ss=axioms_2997 on theBenchmark for (2997ds/219Mi)
% 4.26/1.43 % (2552728)Refutation not found, incomplete strategy
% 4.26/1.43 % (2552728)------------------------------
% 4.26/1.43 % (2552728)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552728)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552728)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552728)Termination reason: Refutation not found, incomplete strategy
% 4.26/1.43 % (2552728)Time elapsed: 0.002 s
% 4.26/1.43 % (2552728)Peak memory usage: 87 MB
% 4.26/1.43 % (2552713)Refutation found. Thanks to Tanya!
% 4.26/1.43 % SZS status Unsatisfiable for theBenchmark
% 4.26/1.43 % SZS output start Proof for theBenchmark
% See solution above
% 4.26/1.43 % (2552713)------------------------------
% 4.26/1.43 % (2552713)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 4.26/1.43 % (2552713)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 4.26/1.43 % (2552713)CaDiCaL version: 2.1.3
% 4.26/1.43 % (2552713)Termination reason: Refutation
% 4.26/1.43 % (2552713)Time elapsed: 0.018 s
% 4.26/1.43 % (2552713)Peak memory usage: 88 MB
% 4.26/1.43 % (2552713)Instructions burned: 26 (million)
% 4.26/1.43 % (2552713)------------------------------
% 4.26/1.43 % (2552713)------------------------------
% 4.26/1.43 % (2552656)Success in time 0.55 s
% 4.26/1.43 % Vampire exiting
%------------------------------------------------------------------------------