%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : GRP073-1 : TPTP v9.3.1. Bugfixed v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n002.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 : Fri Sep 25 01:30:39 PM UTC 2026
% Result : Unsatisfiable 26.19s 4.31s
% Output : CNFRefutation 26.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 27
% Number of leaves : 3
% Syntax : Number of formulae : 63 ( 57 unt; 0 def)
% Number of atoms : 73 ( 72 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 28 ( 18 ~; 10 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 5 avg)
% Maximal term depth : 11 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 7 con; 0-2 aty)
% Number of variables : 223 ( 0 sgn 223 !; 0 ?; 217 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X2,X3,X0,X1] : divide(inverse(divide(divide(divide(X0,X1),X2),divide(X3,X2))),divide(X1,X0)) = X3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',single_axiom) ).
fof(f2,axiom,
! [X0,X1] : multiply(X0,X1) = divide(X0,inverse(X1)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiply) ).
fof(f3,negated_conjecture,
( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
| multiply(multiply(inverse(b2),b2),a2) != a2
| multiply(inverse(a1),a1) != multiply(inverse(b1),b1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms) ).
fof(f4,plain,
( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
| a2 != multiply(multiply(inverse(b2),b2),a2)
| multiply(inverse(a1),a1) != multiply(inverse(b1),b1) ),
inference(reorient_equations,[],[f3]) ).
fof(f5,plain,
( divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3))))
| a2 != divide(divide(inverse(b2),inverse(b2)),inverse(a2))
| divide(inverse(a1),inverse(a1)) != divide(inverse(b1),inverse(b1)) ),
inference(definition_unfolding,[],[f4,f2,f2,f2,f2,f2,f2,f2,f2]) ).
tcf(c_52,negated_conjecture,
( ( divide(inverse(a1),inverse(a1)) != divide(inverse(b1),inverse(b1)) )
| ( divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3)))) )
| ( divide(divide(inverse(b2),inverse(b2)),inverse(a2)) != a2 ) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_53,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(inverse(divide(divide(divide(X0,X1),X2),divide(X3,X2))),divide(X1,X0)) = X3,
inference(cnf_transformation,[],[f1]) ).
tcf(c_109,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(inverse(divide(divide(X0,X1),divide(X2,X1))),divide(divide(X3,X4),inverse(divide(divide(divide(X4,X3),X5),divide(X0,X5))))) = X2,
inference(superposition,[status(thm)],[c_53,c_53]) ).
tcf(c_110,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(inverse(divide(divide(divide(X0,X1),divide(X2,X3)),X4)),divide(X1,X0)) = inverse(divide(divide(divide(X3,X2),X5),divide(X4,X5))),
inference(superposition,[status(thm)],[c_53,c_53]) ).
tcf(c_125,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i,X8: $i,X9: $i] : divide(inverse(divide(X0,divide(X1,divide(divide(X2,X3),inverse(divide(divide(divide(X3,X2),X4),divide(X5,X4))))))),divide(divide(X6,X7),inverse(divide(divide(divide(X7,X6),X8),divide(inverse(divide(divide(X5,X9),divide(X0,X9))),X8))))) = X1,
inference(superposition,[status(thm)],[c_109,c_109]) ).
tcf(c_188,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : inverse(divide(divide(divide(X0,X1),X2),divide(divide(X3,divide(X1,X0)),X2))) = X3,
inference(superposition,[status(thm)],[c_110,c_53]) ).
tcf(c_196,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] : divide(divide(inverse(divide(divide(divide(X0,X1),divide(X2,X3)),X4)),divide(X1,X0)),divide(X2,X3)) = X4,
inference(superposition,[status(thm)],[c_110,c_53]) ).
tcf(c_303,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i] : inverse(divide(divide(divide(inverse(divide(divide(divide(X0,X1),X2),divide(X3,X2))),divide(X1,X0)),X4),divide(X5,X4))) = inverse(divide(divide(X3,X6),divide(X5,X6))),
inference(superposition,[status(thm)],[c_109,c_188]) ).
tcf(c_308,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(X0,divide(divide(X1,X2),inverse(divide(divide(divide(X2,X1),X3),divide(divide(X4,X5),X3))))) = divide(X0,divide(X5,X4)),
inference(superposition,[status(thm)],[c_188,c_109]) ).
tcf(c_312,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : inverse(divide(divide(X0,X1),divide(X2,X1))) = inverse(divide(divide(X0,X3),divide(X2,X3))),
inference(light_normalisation,[status(thm)],[c_303,c_53]) ).
tcf(c_436,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(divide(inverse(divide(divide(divide(X0,X1),X2),X3)),divide(X1,X0)),X2) = X3,
inference(superposition,[status(thm)],[c_196,c_196]) ).
tcf(c_464,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(inverse(divide(divide(X0,X1),divide(X2,X1))),divide(X3,divide(inverse(divide(divide(divide(X4,X5),X3),X0)),divide(X5,X4)))) = X2,
inference(superposition,[status(thm)],[c_436,c_53]) ).
tcf(c_467,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] : divide(inverse(divide(X0,divide(X1,X2))),divide(divide(X3,X4),inverse(divide(divide(divide(X4,X3),X2),X0)))) = X1,
inference(superposition,[status(thm)],[c_436,c_53]) ).
tcf(c_469,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(inverse(divide(divide(divide(X0,X1),X2),X3)),divide(X1,X0)) = divide(inverse(divide(divide(divide(X4,X5),X2),X3)),divide(X5,X4)),
inference(superposition,[status(thm)],[c_436,c_53]) ).
tcf(c_473,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(inverse(divide(divide(divide(X0,divide(inverse(divide(divide(divide(X1,X2),X0),X3)),divide(X2,X1))),X4),divide(X5,X4))),X3) = X5,
inference(superposition,[status(thm)],[c_436,c_53]) ).
tcf(c_843,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(inverse(X0),divide(divide(X1,X2),inverse(divide(divide(divide(X2,X1),X3),inverse(divide(divide(divide(X3,X4),X5),divide(X0,X5))))))) = X4,
inference(superposition,[status(thm)],[c_53,c_467]) ).
tcf(c_3079,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i] : divide(inverse(divide(divide(divide(X0,X1),inverse(divide(divide(divide(X2,X3),X4),divide(divide(X5,X6),X4)))),divide(X6,X5))),divide(X1,X0)) = divide(X3,X2),
inference(superposition,[status(thm)],[c_308,c_53]) ).
tcf(c_3139,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : inverse(divide(divide(divide(X0,X1),inverse(divide(divide(divide(divide(X1,X0),X2),X3),divide(divide(X4,X5),X3)))),divide(X5,X4))) = X2,
inference(superposition,[status(thm)],[c_308,c_188]) ).
tcf(c_4580,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(X0,divide(X1,divide(inverse(divide(divide(divide(X2,X3),X1),divide(X4,X5))),divide(X3,X2)))) = divide(X0,divide(X5,X4)),
inference(superposition,[status(thm)],[c_188,c_464]) ).
tcf(c_12616,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i] : divide(divide(X0,divide(X1,X2)),inverse(divide(divide(divide(divide(X1,X2),X0),X3),divide(divide(X4,X5),X3)))) = divide(X5,X4),
inference(superposition,[status(thm)],[c_3139,c_436]) ).
tcf(c_13540,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] : divide(divide(X0,X1),inverse(divide(divide(divide(X1,X0),X2),divide(divide(X3,X4),X2)))) = divide(X4,X3),
inference(superposition,[status(thm)],[c_473,c_12616]) ).
tcf(c_13965,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i,X7: $i] : divide(inverse(divide(divide(divide(X0,X1),inverse(divide(divide(divide(X2,X3),X4),divide(divide(X5,X6),X4)))),X7)),divide(X1,X0)) = divide(inverse(divide(divide(X6,X5),X7)),divide(X2,X3)),
inference(superposition,[status(thm)],[c_13540,c_469]) ).
tcf(c_18945,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(inverse(divide(divide(X0,X1),divide(X0,X1))),divide(X2,X3)) = divide(X3,X2),
inference(demodulation,[status(thm)],[c_3079,c_13965]) ).
tcf(c_19002,plain,
! [X0: $i,X1: $i,X2: $i] : divide(inverse(divide(X0,X0)),divide(X1,X2)) = divide(X2,X1),
inference(superposition,[status(thm)],[c_843,c_18945]) ).
tcf(c_19227,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i] : divide(inverse(divide(divide(divide(X0,X1),X2),divide(X3,X2))),divide(divide(X1,X0),inverse(divide(X4,X4)))) = X3,
inference(superposition,[status(thm)],[c_19002,c_53]) ).
tcf(c_19252,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i,X4: $i,X5: $i,X6: $i] : divide(X0,divide(X1,divide(inverse(divide(divide(divide(X2,X3),X1),divide(X4,X5))),divide(X3,X2)))) = divide(X0,divide(divide(X5,X4),inverse(divide(X6,X6)))),
inference(superposition,[status(thm)],[c_19002,c_4580]) ).
tcf(c_19296,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(inverse(divide(X0,X0)),divide(X1,X2)) = divide(divide(X2,X1),inverse(divide(X3,X3))),
inference(superposition,[status(thm)],[c_19002,c_19002]) ).
tcf(c_19346,plain,
! [X0: $i,X1: $i,X2: $i] : divide(divide(X0,X1),inverse(divide(X2,X2))) = divide(X0,X1),
inference(light_normalisation,[status(thm)],[c_19296,c_19002]) ).
tcf(c_19349,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(X0,divide(divide(X1,X2),inverse(divide(X3,X3)))) = divide(X0,divide(X1,X2)),
inference(light_normalisation,[status(thm)],[c_19252,c_4580]) ).
tcf(c_19903,plain,
! [X0: $i,X1: $i] : divide(X0,inverse(divide(X1,X1))) = X0,
inference(superposition,[status(thm)],[c_843,c_19346]) ).
tcf(c_20127,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(inverse(divide(divide(X0,X1),divide(X2,X1))),divide(inverse(divide(X3,X3)),X0)) = X2,
inference(superposition,[status(thm)],[c_19903,c_53]) ).
tcf(c_20202,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : inverse(divide(divide(X0,inverse(divide(X1,X1))),X2)) = inverse(divide(divide(X0,X3),divide(X2,X3))),
inference(superposition,[status(thm)],[c_19903,c_312]) ).
tcf(c_20290,plain,
! [X0: $i,X1: $i] : divide(X0,inverse(inverse(divide(X1,X1)))) = X0,
inference(superposition,[status(thm)],[c_19903,c_19903]) ).
tcf(c_20292,plain,
! [X0: $i,X1: $i,X2: $i] : inverse(divide(divide(X0,X1),divide(X2,X1))) = inverse(divide(X0,X2)),
inference(light_normalisation,[status(thm)],[c_20202,c_19903]) ).
tcf(c_20308,plain,
! [X0: $i,X1: $i,X2: $i] : divide(inverse(divide(divide(X0,X1),X2)),divide(X1,X0)) = X2,
inference(demodulation,[status(thm)],[c_53,c_20292]) ).
tcf(c_21179,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(divide(inverse(divide(divide(X0,X1),X2)),divide(X1,X0)),X2) = inverse(inverse(divide(X3,X3))),
inference(superposition,[status(thm)],[c_20290,c_436]) ).
tcf(c_21199,plain,
! [X0: $i,X1: $i] : inverse(inverse(divide(X0,X0))) = divide(X1,X1),
inference(light_normalisation,[status(thm)],[c_21179,c_20308]) ).
tcf(c_21498,plain,
! [X0: $i,X1: $i] : divide(X0,X0) = divide(X1,X1),
inference(superposition,[status(thm)],[c_21199,c_21199]) ).
tcf(c_21499,plain,
! [X0: $i,X1: $i] : divide(X0,divide(X1,X1)) = X0,
inference(superposition,[status(thm)],[c_21199,c_20290]) ).
tcf(c_21551,plain,
( ( divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3)))) )
| ( divide(divide(inverse(b2),inverse(b2)),inverse(a2)) != a2 ) ),
inference(backward_subsumption_resolution,[status(thm)],[c_52,c_21498]) ).
tcf(c_21899,plain,
! [X0: $i,X1: $i] : inverse(divide(X0,X0)) = divide(X1,X1),
inference(superposition,[status(thm)],[c_21498,c_19903]) ).
tcf(c_24186,plain,
! [X0: $i,X1: $i,X2: $i] : divide(inverse(divide(X0,X1)),divide(inverse(divide(X2,X2)),X0)) = X1,
inference(light_normalisation,[status(thm)],[c_20127,c_20292]) ).
tcf(c_24268,plain,
! [X0: $i,X1: $i] : inverse(divide(inverse(divide(X0,X0)),X1)) = X1,
inference(superposition,[status(thm)],[c_24186,c_21499]) ).
tcf(c_25810,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(divide(X0,X1),inverse(divide(divide(divide(X1,X0),X2),divide(X3,X2)))) = inverse(X3),
inference(superposition,[status(thm)],[c_467,c_24268]) ).
tcf(c_25817,plain,
! [X0: $i,X1: $i] : inverse(divide(X0,X1)) = divide(X1,X0),
inference(superposition,[status(thm)],[c_19002,c_24268]) ).
tcf(c_25827,plain,
! [X0: $i,X1: $i] : inverse(divide(divide(X0,X0),X1)) = X1,
inference(superposition,[status(thm)],[c_21899,c_24268]) ).
tcf(c_25873,plain,
( ( divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(c3),b3)) )
| ( divide(divide(inverse(b2),inverse(b2)),inverse(a2)) != a2 ) ),
inference(demodulation,[status(thm)],[c_21551,c_25817]) ).
tcf(c_25897,plain,
! [X0: $i,X1: $i] : divide(divide(X0,X0),X1) = inverse(X1),
inference(superposition,[status(thm)],[c_21499,c_25817]) ).
tcf(c_25899,plain,
! [X0: $i] : inverse(inverse(X0)) = X0,
inference(light_normalisation,[status(thm)],[c_25827,c_25897]) ).
tcf(c_25915,plain,
divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(c3),b3)),
inference(ground_joinability,[status(thm)],[c_25873,c_25897,c_25899]) ).
tcf(c_25981,plain,
! [X0: $i,X1: $i,X2: $i] : divide(divide(X0,divide(X1,X2)),divide(X2,X1)) = X0,
inference(demodulation,[status(thm)],[c_19227,c_19349,c_20292,c_25817]) ).
tcf(c_25991,plain,
! [X0: $i,X1: $i,X2: $i] : divide(divide(X0,X1),divide(divide(X2,X2),X1)) = X0,
inference(superposition,[status(thm)],[c_21499,c_25981]) ).
tcf(c_26012,plain,
! [X0: $i,X1: $i] : divide(divide(X0,X1),inverse(X1)) = X0,
inference(demodulation,[status(thm)],[c_25991,c_25897]) ).
tcf(c_26179,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] : divide(divide(divide(X0,inverse(X1)),X2),divide(divide(X1,X3),divide(X2,X3))) = X0,
inference(demodulation,[status(thm)],[c_125,c_25810,c_25817,c_25899]) ).
tcf(c_26200,plain,
! [X0: $i,X1: $i,X2: $i] : divide(divide(divide(X0,inverse(X1)),X2),divide(X1,X2)) = X0,
inference(superposition,[status(thm)],[c_21499,c_26179]) ).
tcf(c_28258,plain,
! [X0: $i,X1: $i,X2: $i] : divide(divide(X0,inverse(X1)),X2) = divide(X0,inverse(divide(X1,X2))),
inference(superposition,[status(thm)],[c_26200,c_26012]) ).
tcf(c_28274,plain,
divide(a3,inverse(divide(b3,inverse(c3)))) != divide(a3,divide(inverse(c3),b3)),
inference(demodulation,[status(thm)],[c_25915,c_28258]) ).
tcf(c_28275,plain,
$false,
inference(ground_joinability,[status(thm)],[c_28274,c_25817]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP073-1 : TPTP v9.3.1. Bugfixed v2.3.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.38 % Computer : n002.cluster.edu
% 0.10/0.38 % Model : x86_64 x86_64
% 0.10/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.38 % Memory : 8046.5625MB
% 0.10/0.38 % OS : Linux 6.8.0-71-generic
% 0.10/0.38 % CPULimit : 300
% 0.10/0.38 % WCLimit : 300
% 0.10/0.38 % DateTime : Wed Sep 23 13:30:06 UTC 2026
% 0.10/0.38 % CPUTime :
% 0.10/0.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.42 Running first-order theorem proving
% 0.10/0.42 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.43
% 0.10/0.43 % ======== iProver multi-core TPTP/SMT =========
% 0.10/0.43
% 0.10/0.43 % Detected problem language: tptp
% 0.10/0.44 % Proving...
% 26.19/4.31 % SZS status Started for theBenchmark.p
% 26.19/4.31 % SZS status Unsatisfiable for theBenchmark.p
% 26.19/4.31
% 26.19/4.31 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 26.19/4.31
% 26.19/4.31 % ------ iProver source info
% 26.19/4.31
% 26.19/4.31 % git: date: 2026-07-19 20:42:38 +0200
% 26.19/4.31 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 26.19/4.31 % git: non_committed_changes: false
% 26.19/4.31
% 26.19/4.31 % ------ Parsing...% successful
% 26.19/4.31
% 26.19/4.31
% 26.19/4.31 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 26.19/4.31
% 26.19/4.31 % ------ Preprocessing... sup_sim: 0 sf_s rm: 0 0s sf_e pe_s pe_e %
% 26.19/4.31
% 26.19/4.31 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 26.19/4.31
% 26.19/4.31 % ------ Preprocessing... sf_s rm: 0 0s sf_e
% 26.19/4.31 % ------ Proving...
% 26.19/4.31 % ------ Problem Properties
% 26.19/4.31
% 26.19/4.31 %
% 26.19/4.31 % clauses 2
% 26.19/4.31 % conjectures 1
% 26.19/4.31 % EPR 0
% 26.19/4.31 % Horn 2
% 26.19/4.31 % unary 1
% 26.19/4.31 % binary 0
% 26.19/4.31 % lits 4
% 26.19/4.31 % lits eq 4
% 26.19/4.31 % fd_pure 0
% 26.19/4.31 % fd_pseudo 0
% 26.19/4.31 % fd_cond 0
% 26.19/4.31 % fd_pseudo_cond 0
% 26.19/4.31 % AC symbols 0
% 26.19/4.31
% 26.19/4.31 % ------ Schedule dynamic 5 is on
% 26.19/4.31
% 26.19/4.31 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 26.19/4.31
% 26.19/4.31
% 26.19/4.31 % ------
% 26.19/4.31 % Current options:
% 26.19/4.31 % ------
% 26.19/4.31
% 26.19/4.31
% 26.19/4.31 %
% 26.19/4.31
% 26.19/4.31 % ------ Proving...
% 26.19/4.31 %
% 26.19/4.31
% 26.19/4.31 % SZS status Unsatisfiable for theBenchmark.p
% 26.19/4.31
% 26.19/4.31 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
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% 26.19/4.32
%------------------------------------------------------------------------------